i2c working
Jack Humbert
9 years ago
parent
96f44e1202
commit
d707738616
@ -1,4 +0,0 @@
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#include "quantum.h"
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#include <avr/wdt.h>
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void promicro_bootloader_jmp(bool program);
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@ -0,0 +1,159 @@
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#include <util/twi.h>
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#include <avr/io.h>
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#include <stdlib.h>
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#include <avr/interrupt.h>
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#include <util/twi.h>
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#include <stdbool.h>
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#include "i2c.h"
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// Limits the amount of we wait for any one i2c transaction.
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// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
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// 9 bits, a single transaction will take around 90μs to complete.
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//
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// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit
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// poll loop takes at least 8 clock cycles to execute
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#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
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#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
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volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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static volatile uint8_t slave_buffer_pos;
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static volatile bool slave_has_register_set = false;
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// Wait for an i2c operation to finish
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inline static
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void i2c_delay(void) {
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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// easier way, but will wait slightly longer
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// _delay_us(100);
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}
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// Setup twi to run at 100kHz
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void i2c_master_init(void) {
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// no prescaler
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TWSR = 0;
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// Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
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// Check datasheets for more info.
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TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
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}
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// Start a transaction with the given i2c slave address. The direction of the
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// transfer is set with I2C_READ and I2C_WRITE.
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// returns: 0 => success
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// 1 => error
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uint8_t i2c_master_start(uint8_t address) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);
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i2c_delay();
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// check that we started successfully
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if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
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return 1;
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TWDR = address;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
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return 1; // slave did not acknowledge
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else
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return 0; // success
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}
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// Finish the i2c transaction.
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void i2c_master_stop(void) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
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uint16_t lim = 0;
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while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
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lim++;
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}
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// Write one byte to the i2c slave.
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// returns 0 => slave ACK
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// 1 => slave NACK
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uint8_t i2c_master_write(uint8_t data) {
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TWDR = data;
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TWCR = (1<<TWINT) | (1<<TWEN);
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i2c_delay();
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// check if the slave acknowledged us
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return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
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}
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// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
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// if ack=0 the acknowledge bit is not set.
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// returns: byte read from i2c device
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uint8_t i2c_master_read(int ack) {
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TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
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i2c_delay();
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return TWDR;
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}
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void i2c_reset_state(void) {
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TWCR = 0;
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}
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void i2c_slave_init(uint8_t address) {
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TWAR = address << 0; // slave i2c address
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// TWEN - twi enable
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// TWEA - enable address acknowledgement
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// TWINT - twi interrupt flag
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// TWIE - enable the twi interrupt
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TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
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}
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ISR(TWI_vect);
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ISR(TWI_vect) {
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uint8_t ack = 1;
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switch(TW_STATUS) {
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case TW_SR_SLA_ACK:
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// this device has been addressed as a slave receiver
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slave_has_register_set = false;
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break;
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case TW_SR_DATA_ACK:
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// this device has received data as a slave receiver
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// The first byte that we receive in this transaction sets the location
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// of the read/write location of the slaves memory that it exposes over
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// i2c. After that, bytes will be written at slave_buffer_pos, incrementing
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// slave_buffer_pos after each write.
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if(!slave_has_register_set) {
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slave_buffer_pos = TWDR;
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// don't acknowledge the master if this memory loctaion is out of bounds
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if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
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ack = 0;
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slave_buffer_pos = 0;
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}
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slave_has_register_set = true;
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} else {
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i2c_slave_buffer[slave_buffer_pos] = TWDR;
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BUFFER_POS_INC();
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}
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break;
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case TW_ST_SLA_ACK:
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case TW_ST_DATA_ACK:
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// master has addressed this device as a slave transmitter and is
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// requesting data.
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TWDR = i2c_slave_buffer[slave_buffer_pos];
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BUFFER_POS_INC();
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break;
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case TW_BUS_ERROR: // something went wrong, reset twi state
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TWCR = 0;
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default:
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break;
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}
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// Reset everything, so we are ready for the next TWI interrupt
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TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
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}
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@ -0,0 +1,31 @@
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#ifndef I2C_H
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#define I2C_H
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#include <stdint.h>
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#ifndef F_CPU
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#define F_CPU 16000000UL
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#endif
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#define I2C_READ 1
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#define I2C_WRITE 0
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#define I2C_ACK 1
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#define I2C_NACK 0
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#define SLAVE_BUFFER_SIZE 0x10
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// i2c SCL clock frequency
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#define SCL_CLOCK 100000L
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extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
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void i2c_master_init(void);
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uint8_t i2c_master_start(uint8_t address);
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void i2c_master_stop(void);
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uint8_t i2c_master_write(uint8_t data);
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uint8_t i2c_master_read(int);
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void i2c_reset_state(void);
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void i2c_slave_init(uint8_t address);
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#endif
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@ -0,0 +1,21 @@
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#include "quantum.h"
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#include <avr/wdt.h>
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void promicro_bootloader_jmp(bool program);
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#define KEYMAP( \
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k00, k01, k02, k03, k04, k05, k40, k41, k42, k43, k44, k45, \
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k10, k11, k12, k13, k14, k15, k50, k51, k52, k53, k54, k55, \
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k20, k21, k22, k23, k24, k25, k60, k61, k62, k63, k64, k65, \
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k30, k31, k32, k33, k34, k35, k70, k71, k72, k73, k74, k75 \
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) \
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{ \
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{ k00, k01, k02, k03, k04, k05 }, \
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{ k10, k11, k12, k13, k14, k15 }, \
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{ k20, k21, k22, k23, k24, k25 }, \
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{ k30, k31, k32, k33, k34, k35 }, \
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{ k40, k41, k42, k43, k44, k45 }, \
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{ k50, k51, k52, k53, k54, k55 }, \
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{ k60, k61, k62, k63, k64, k65 }, \
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{ k70, k71, k72, k73, k74, k75 } \
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}
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@ -0,0 +1,310 @@
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/*
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Copyright 2012 Jun Wako <wakojun@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* scan matrix
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "print.h"
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#include "debug.h"
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#include "util.h"
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#include "matrix.h"
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#include "i2c.h"
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#include "split_util.h"
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#include "pro_micro.h"
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#include "config.h"
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#ifndef DEBOUNCE
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# define DEBOUNCE 5
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#endif
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#define ERROR_DISCONNECT_COUNT 5
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static uint8_t debouncing = DEBOUNCE;
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static const int ROWS_PER_HAND = MATRIX_ROWS/2;
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static uint8_t error_count = 0;
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static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
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static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
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/* matrix state(1:on, 0:off) */
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static matrix_row_t matrix[MATRIX_ROWS];
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static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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static matrix_row_t read_cols(void);
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static void init_cols(void);
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static void unselect_rows(void);
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static void select_row(uint8_t row);
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__attribute__ ((weak))
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void matrix_init_quantum(void) {
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matrix_init_kb();
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}
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__attribute__ ((weak))
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void matrix_scan_quantum(void) {
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matrix_scan_kb();
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}
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__attribute__ ((weak))
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void matrix_init_kb(void) {
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matrix_init_user();
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}
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__attribute__ ((weak))
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void matrix_scan_kb(void) {
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matrix_scan_user();
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}
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__attribute__ ((weak))
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void matrix_init_user(void) {
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}
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__attribute__ ((weak))
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void matrix_scan_user(void) {
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}
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inline
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uint8_t matrix_rows(void)
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{
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return MATRIX_ROWS;
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}
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inline
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uint8_t matrix_cols(void)
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{
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return MATRIX_COLS;
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}
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void matrix_init(void)
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{
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debug_enable = true;
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debug_matrix = true;
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debug_mouse = true;
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// initialize row and col
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unselect_rows();
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init_cols();
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TX_RX_LED_INIT;
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) {
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matrix[i] = 0;
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matrix_debouncing[i] = 0;
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}
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matrix_init_quantum();
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}
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uint8_t _matrix_scan(void)
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{
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// Right hand is stored after the left in the matirx so, we need to offset it
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int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
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for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
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select_row(i);
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_delay_us(30); // without this wait read unstable value.
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matrix_row_t cols = read_cols();
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if (matrix_debouncing[i+offset] != cols) {
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matrix_debouncing[i+offset] = cols;
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debouncing = DEBOUNCE;
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}
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unselect_rows();
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}
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if (debouncing) {
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if (--debouncing) {
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_delay_ms(1);
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} else {
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for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
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matrix[i+offset] = matrix_debouncing[i+offset];
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}
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}
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}
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return 1;
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}
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// Get rows from other half over i2c
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int i2c_transaction(void) {
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int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
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int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
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if (err) goto i2c_error;
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// start of matrix stored at 0x00
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err = i2c_master_write(0x00);
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if (err) goto i2c_error;
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// Start read
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err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
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if (err) goto i2c_error;
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if (!err) {
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int i;
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for (i = 0; i < ROWS_PER_HAND-1; ++i) {
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matrix[slaveOffset+i] = i2c_master_read(I2C_ACK);
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}
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matrix[slaveOffset+i] = i2c_master_read(I2C_NACK);
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i2c_master_stop();
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} else {
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||||||
|
i2c_error: // the cable is disconnceted, or something else went wrong
|
||||||
|
i2c_reset_state();
|
||||||
|
return err;
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
#ifndef USE_I2C
|
||||||
|
int serial_transaction(void) {
|
||||||
|
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
|
||||||
|
|
||||||
|
if (serial_update_buffers()) {
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||||
|
matrix[slaveOffset+i] = serial_slave_buffer[i];
|
||||||
|
}
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
uint8_t matrix_scan(void)
|
||||||
|
{
|
||||||
|
int ret = _matrix_scan();
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
#ifdef USE_I2C
|
||||||
|
if( i2c_transaction() ) {
|
||||||
|
#else
|
||||||
|
if( serial_transaction() ) {
|
||||||
|
#endif
|
||||||
|
// turn on the indicator led when halves are disconnected
|
||||||
|
TXLED1;
|
||||||
|
|
||||||
|
error_count++;
|
||||||
|
|
||||||
|
if (error_count > ERROR_DISCONNECT_COUNT) {
|
||||||
|
// reset other half if disconnected
|
||||||
|
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
|
||||||
|
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||||
|
matrix[slaveOffset+i] = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// turn off the indicator led on no error
|
||||||
|
TXLED0;
|
||||||
|
error_count = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
matrix_scan_quantum();
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
void matrix_slave_scan(void) {
|
||||||
|
_matrix_scan();
|
||||||
|
|
||||||
|
int offset = (isLeftHand) ? 0 : (MATRIX_ROWS / 2);
|
||||||
|
|
||||||
|
#ifdef USE_I2C
|
||||||
|
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||||
|
/* i2c_slave_buffer[i] = matrix[offset+i]; */
|
||||||
|
i2c_slave_buffer[i] = matrix[offset+i];
|
||||||
|
}
|
||||||
|
#else
|
||||||
|
for (int i = 0; i < ROWS_PER_HAND; ++i) {
|
||||||
|
serial_slave_buffer[i] = matrix[offset+i];
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
bool matrix_is_modified(void)
|
||||||
|
{
|
||||||
|
if (debouncing) return false;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
inline
|
||||||
|
bool matrix_is_on(uint8_t row, uint8_t col)
|
||||||
|
{
|
||||||
|
return (matrix[row] & ((matrix_row_t)1<<col));
|
||||||
|
}
|
||||||
|
|
||||||
|
inline
|
||||||
|
matrix_row_t matrix_get_row(uint8_t row)
|
||||||
|
{
|
||||||
|
return matrix[row];
|
||||||
|
}
|
||||||
|
|
||||||
|
void matrix_print(void)
|
||||||
|
{
|
||||||
|
print("\nr/c 0123456789ABCDEF\n");
|
||||||
|
for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
|
||||||
|
phex(row); print(": ");
|
||||||
|
pbin_reverse16(matrix_get_row(row));
|
||||||
|
print("\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
uint8_t matrix_key_count(void)
|
||||||
|
{
|
||||||
|
uint8_t count = 0;
|
||||||
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
||||||
|
count += bitpop16(matrix[i]);
|
||||||
|
}
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void init_cols(void)
|
||||||
|
{
|
||||||
|
for(int x = 0; x < MATRIX_COLS; x++) {
|
||||||
|
_SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);
|
||||||
|
_SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static matrix_row_t read_cols(void)
|
||||||
|
{
|
||||||
|
matrix_row_t result = 0;
|
||||||
|
for(int x = 0; x < MATRIX_COLS; x++) {
|
||||||
|
result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
|
||||||
|
}
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void unselect_rows(void)
|
||||||
|
{
|
||||||
|
for(int x = 0; x < ROWS_PER_HAND; x++) {
|
||||||
|
_SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);
|
||||||
|
_SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void select_row(uint8_t row)
|
||||||
|
{
|
||||||
|
_SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);
|
||||||
|
_SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
|
||||||
|
}
|
||||||
@ -0,0 +1,362 @@
|
|||||||
|
/*
|
||||||
|
pins_arduino.h - Pin definition functions for Arduino
|
||||||
|
Part of Arduino - http://www.arduino.cc/
|
||||||
|
|
||||||
|
Copyright (c) 2007 David A. Mellis
|
||||||
|
|
||||||
|
This library is free software; you can redistribute it and/or
|
||||||
|
modify it under the terms of the GNU Lesser General Public
|
||||||
|
License as published by the Free Software Foundation; either
|
||||||
|
version 2.1 of the License, or (at your option) any later version.
|
||||||
|
|
||||||
|
This library is distributed in the hope that it will be useful,
|
||||||
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||||
|
Lesser General Public License for more details.
|
||||||
|
|
||||||
|
You should have received a copy of the GNU Lesser General
|
||||||
|
Public License along with this library; if not, write to the
|
||||||
|
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
||||||
|
Boston, MA 02111-1307 USA
|
||||||
|
|
||||||
|
$Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef Pins_Arduino_h
|
||||||
|
#define Pins_Arduino_h
|
||||||
|
|
||||||
|
#include <avr/pgmspace.h>
|
||||||
|
|
||||||
|
// Workaround for wrong definitions in "iom32u4.h".
|
||||||
|
// This should be fixed in the AVR toolchain.
|
||||||
|
#undef UHCON
|
||||||
|
#undef UHINT
|
||||||
|
#undef UHIEN
|
||||||
|
#undef UHADDR
|
||||||
|
#undef UHFNUM
|
||||||
|
#undef UHFNUML
|
||||||
|
#undef UHFNUMH
|
||||||
|
#undef UHFLEN
|
||||||
|
#undef UPINRQX
|
||||||
|
#undef UPINTX
|
||||||
|
#undef UPNUM
|
||||||
|
#undef UPRST
|
||||||
|
#undef UPCONX
|
||||||
|
#undef UPCFG0X
|
||||||
|
#undef UPCFG1X
|
||||||
|
#undef UPSTAX
|
||||||
|
#undef UPCFG2X
|
||||||
|
#undef UPIENX
|
||||||
|
#undef UPDATX
|
||||||
|
#undef TCCR2A
|
||||||
|
#undef WGM20
|
||||||
|
#undef WGM21
|
||||||
|
#undef COM2B0
|
||||||
|
#undef COM2B1
|
||||||
|
#undef COM2A0
|
||||||
|
#undef COM2A1
|
||||||
|
#undef TCCR2B
|
||||||
|
#undef CS20
|
||||||
|
#undef CS21
|
||||||
|
#undef CS22
|
||||||
|
#undef WGM22
|
||||||
|
#undef FOC2B
|
||||||
|
#undef FOC2A
|
||||||
|
#undef TCNT2
|
||||||
|
#undef TCNT2_0
|
||||||
|
#undef TCNT2_1
|
||||||
|
#undef TCNT2_2
|
||||||
|
#undef TCNT2_3
|
||||||
|
#undef TCNT2_4
|
||||||
|
#undef TCNT2_5
|
||||||
|
#undef TCNT2_6
|
||||||
|
#undef TCNT2_7
|
||||||
|
#undef OCR2A
|
||||||
|
#undef OCR2_0
|
||||||
|
#undef OCR2_1
|
||||||
|
#undef OCR2_2
|
||||||
|
#undef OCR2_3
|
||||||
|
#undef OCR2_4
|
||||||
|
#undef OCR2_5
|
||||||
|
#undef OCR2_6
|
||||||
|
#undef OCR2_7
|
||||||
|
#undef OCR2B
|
||||||
|
#undef OCR2_0
|
||||||
|
#undef OCR2_1
|
||||||
|
#undef OCR2_2
|
||||||
|
#undef OCR2_3
|
||||||
|
#undef OCR2_4
|
||||||
|
#undef OCR2_5
|
||||||
|
#undef OCR2_6
|
||||||
|
#undef OCR2_7
|
||||||
|
|
||||||
|
#define NUM_DIGITAL_PINS 30
|
||||||
|
#define NUM_ANALOG_INPUTS 12
|
||||||
|
|
||||||
|
#define TX_RX_LED_INIT DDRD |= (1<<5), DDRB |= (1<<0)
|
||||||
|
#define TXLED0 PORTD |= (1<<5)
|
||||||
|
#define TXLED1 PORTD &= ~(1<<5)
|
||||||
|
#define RXLED0 PORTB |= (1<<0)
|
||||||
|
#define RXLED1 PORTB &= ~(1<<0)
|
||||||
|
|
||||||
|
static const uint8_t SDA = 2;
|
||||||
|
static const uint8_t SCL = 3;
|
||||||
|
#define LED_BUILTIN 13
|
||||||
|
|
||||||
|
// Map SPI port to 'new' pins D14..D17
|
||||||
|
static const uint8_t SS = 17;
|
||||||
|
static const uint8_t MOSI = 16;
|
||||||
|
static const uint8_t MISO = 14;
|
||||||
|
static const uint8_t SCK = 15;
|
||||||
|
|
||||||
|
// Mapping of analog pins as digital I/O
|
||||||
|
// A6-A11 share with digital pins
|
||||||
|
static const uint8_t A0 = 18;
|
||||||
|
static const uint8_t A1 = 19;
|
||||||
|
static const uint8_t A2 = 20;
|
||||||
|
static const uint8_t A3 = 21;
|
||||||
|
static const uint8_t A4 = 22;
|
||||||
|
static const uint8_t A5 = 23;
|
||||||
|
static const uint8_t A6 = 24; // D4
|
||||||
|
static const uint8_t A7 = 25; // D6
|
||||||
|
static const uint8_t A8 = 26; // D8
|
||||||
|
static const uint8_t A9 = 27; // D9
|
||||||
|
static const uint8_t A10 = 28; // D10
|
||||||
|
static const uint8_t A11 = 29; // D12
|
||||||
|
|
||||||
|
#define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
|
||||||
|
#define digitalPinToPCICRbit(p) 0
|
||||||
|
#define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
|
||||||
|
#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
|
||||||
|
|
||||||
|
// __AVR_ATmega32U4__ has an unusual mapping of pins to channels
|
||||||
|
extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
|
||||||
|
#define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
|
||||||
|
|
||||||
|
#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT)))))
|
||||||
|
|
||||||
|
#ifdef ARDUINO_MAIN
|
||||||
|
|
||||||
|
// On the Arduino board, digital pins are also used
|
||||||
|
// for the analog output (software PWM). Analog input
|
||||||
|
// pins are a separate set.
|
||||||
|
|
||||||
|
// ATMEL ATMEGA32U4 / ARDUINO LEONARDO
|
||||||
|
//
|
||||||
|
// D0 PD2 RXD1/INT2
|
||||||
|
// D1 PD3 TXD1/INT3
|
||||||
|
// D2 PD1 SDA SDA/INT1
|
||||||
|
// D3# PD0 PWM8/SCL OC0B/SCL/INT0
|
||||||
|
// D4 A6 PD4 ADC8
|
||||||
|
// D5# PC6 ??? OC3A/#OC4A
|
||||||
|
// D6# A7 PD7 FastPWM #OC4D/ADC10
|
||||||
|
// D7 PE6 INT6/AIN0
|
||||||
|
//
|
||||||
|
// D8 A8 PB4 ADC11/PCINT4
|
||||||
|
// D9# A9 PB5 PWM16 OC1A/#OC4B/ADC12/PCINT5
|
||||||
|
// D10# A10 PB6 PWM16 OC1B/0c4B/ADC13/PCINT6
|
||||||
|
// D11# PB7 PWM8/16 0C0A/OC1C/#RTS/PCINT7
|
||||||
|
// D12 A11 PD6 T1/#OC4D/ADC9
|
||||||
|
// D13# PC7 PWM10 CLK0/OC4A
|
||||||
|
//
|
||||||
|
// A0 D18 PF7 ADC7
|
||||||
|
// A1 D19 PF6 ADC6
|
||||||
|
// A2 D20 PF5 ADC5
|
||||||
|
// A3 D21 PF4 ADC4
|
||||||
|
// A4 D22 PF1 ADC1
|
||||||
|
// A5 D23 PF0 ADC0
|
||||||
|
//
|
||||||
|
// New pins D14..D17 to map SPI port to digital pins
|
||||||
|
//
|
||||||
|
// MISO D14 PB3 MISO,PCINT3
|
||||||
|
// SCK D15 PB1 SCK,PCINT1
|
||||||
|
// MOSI D16 PB2 MOSI,PCINT2
|
||||||
|
// SS D17 PB0 RXLED,SS/PCINT0
|
||||||
|
//
|
||||||
|
// Connected LEDs on board for TX and RX
|
||||||
|
// TXLED D24 PD5 XCK1
|
||||||
|
// RXLED D17 PB0
|
||||||
|
// HWB PE2 HWB
|
||||||
|
|
||||||
|
// these arrays map port names (e.g. port B) to the
|
||||||
|
// appropriate addresses for various functions (e.g. reading
|
||||||
|
// and writing)
|
||||||
|
const uint16_t PROGMEM port_to_mode_PGM[] = {
|
||||||
|
NOT_A_PORT,
|
||||||
|
NOT_A_PORT,
|
||||||
|
(uint16_t) &DDRB,
|
||||||
|
(uint16_t) &DDRC,
|
||||||
|
(uint16_t) &DDRD,
|
||||||
|
(uint16_t) &DDRE,
|
||||||
|
(uint16_t) &DDRF,
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint16_t PROGMEM port_to_output_PGM[] = {
|
||||||
|
NOT_A_PORT,
|
||||||
|
NOT_A_PORT,
|
||||||
|
(uint16_t) &PORTB,
|
||||||
|
(uint16_t) &PORTC,
|
||||||
|
(uint16_t) &PORTD,
|
||||||
|
(uint16_t) &PORTE,
|
||||||
|
(uint16_t) &PORTF,
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint16_t PROGMEM port_to_input_PGM[] = {
|
||||||
|
NOT_A_PORT,
|
||||||
|
NOT_A_PORT,
|
||||||
|
(uint16_t) &PINB,
|
||||||
|
(uint16_t) &PINC,
|
||||||
|
(uint16_t) &PIND,
|
||||||
|
(uint16_t) &PINE,
|
||||||
|
(uint16_t) &PINF,
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
|
||||||
|
PD, // D0 - PD2
|
||||||
|
PD, // D1 - PD3
|
||||||
|
PD, // D2 - PD1
|
||||||
|
PD, // D3 - PD0
|
||||||
|
PD, // D4 - PD4
|
||||||
|
PC, // D5 - PC6
|
||||||
|
PD, // D6 - PD7
|
||||||
|
PE, // D7 - PE6
|
||||||
|
|
||||||
|
PB, // D8 - PB4
|
||||||
|
PB, // D9 - PB5
|
||||||
|
PB, // D10 - PB6
|
||||||
|
PB, // D11 - PB7
|
||||||
|
PD, // D12 - PD6
|
||||||
|
PC, // D13 - PC7
|
||||||
|
|
||||||
|
PB, // D14 - MISO - PB3
|
||||||
|
PB, // D15 - SCK - PB1
|
||||||
|
PB, // D16 - MOSI - PB2
|
||||||
|
PB, // D17 - SS - PB0
|
||||||
|
|
||||||
|
PF, // D18 - A0 - PF7
|
||||||
|
PF, // D19 - A1 - PF6
|
||||||
|
PF, // D20 - A2 - PF5
|
||||||
|
PF, // D21 - A3 - PF4
|
||||||
|
PF, // D22 - A4 - PF1
|
||||||
|
PF, // D23 - A5 - PF0
|
||||||
|
|
||||||
|
PD, // D24 - PD5
|
||||||
|
PD, // D25 / D6 - A7 - PD7
|
||||||
|
PB, // D26 / D8 - A8 - PB4
|
||||||
|
PB, // D27 / D9 - A9 - PB5
|
||||||
|
PB, // D28 / D10 - A10 - PB6
|
||||||
|
PD, // D29 / D12 - A11 - PD6
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
|
||||||
|
_BV(2), // D0 - PD2
|
||||||
|
_BV(3), // D1 - PD3
|
||||||
|
_BV(1), // D2 - PD1
|
||||||
|
_BV(0), // D3 - PD0
|
||||||
|
_BV(4), // D4 - PD4
|
||||||
|
_BV(6), // D5 - PC6
|
||||||
|
_BV(7), // D6 - PD7
|
||||||
|
_BV(6), // D7 - PE6
|
||||||
|
|
||||||
|
_BV(4), // D8 - PB4
|
||||||
|
_BV(5), // D9 - PB5
|
||||||
|
_BV(6), // D10 - PB6
|
||||||
|
_BV(7), // D11 - PB7
|
||||||
|
_BV(6), // D12 - PD6
|
||||||
|
_BV(7), // D13 - PC7
|
||||||
|
|
||||||
|
_BV(3), // D14 - MISO - PB3
|
||||||
|
_BV(1), // D15 - SCK - PB1
|
||||||
|
_BV(2), // D16 - MOSI - PB2
|
||||||
|
_BV(0), // D17 - SS - PB0
|
||||||
|
|
||||||
|
_BV(7), // D18 - A0 - PF7
|
||||||
|
_BV(6), // D19 - A1 - PF6
|
||||||
|
_BV(5), // D20 - A2 - PF5
|
||||||
|
_BV(4), // D21 - A3 - PF4
|
||||||
|
_BV(1), // D22 - A4 - PF1
|
||||||
|
_BV(0), // D23 - A5 - PF0
|
||||||
|
|
||||||
|
_BV(5), // D24 - PD5
|
||||||
|
_BV(7), // D25 / D6 - A7 - PD7
|
||||||
|
_BV(4), // D26 / D8 - A8 - PB4
|
||||||
|
_BV(5), // D27 / D9 - A9 - PB5
|
||||||
|
_BV(6), // D28 / D10 - A10 - PB6
|
||||||
|
_BV(6), // D29 / D12 - A11 - PD6
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
TIMER0B, /* 3 */
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
TIMER3A, /* 5 */
|
||||||
|
TIMER4D, /* 6 */
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
TIMER1A, /* 9 */
|
||||||
|
TIMER1B, /* 10 */
|
||||||
|
TIMER0A, /* 11 */
|
||||||
|
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
TIMER4A, /* 13 */
|
||||||
|
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
NOT_ON_TIMER,
|
||||||
|
};
|
||||||
|
|
||||||
|
const uint8_t PROGMEM analog_pin_to_channel_PGM[] = {
|
||||||
|
7, // A0 PF7 ADC7
|
||||||
|
6, // A1 PF6 ADC6
|
||||||
|
5, // A2 PF5 ADC5
|
||||||
|
4, // A3 PF4 ADC4
|
||||||
|
1, // A4 PF1 ADC1
|
||||||
|
0, // A5 PF0 ADC0
|
||||||
|
8, // A6 D4 PD4 ADC8
|
||||||
|
10, // A7 D6 PD7 ADC10
|
||||||
|
11, // A8 D8 PB4 ADC11
|
||||||
|
12, // A9 D9 PB5 ADC12
|
||||||
|
13, // A10 D10 PB6 ADC13
|
||||||
|
9 // A11 D12 PD6 ADC9
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif /* ARDUINO_MAIN */
|
||||||
|
|
||||||
|
// These serial port names are intended to allow libraries and architecture-neutral
|
||||||
|
// sketches to automatically default to the correct port name for a particular type
|
||||||
|
// of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
|
||||||
|
// the first hardware serial port whose RX/TX pins are not dedicated to another use.
|
||||||
|
//
|
||||||
|
// SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
|
||||||
|
//
|
||||||
|
// SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
|
||||||
|
//
|
||||||
|
// SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
|
||||||
|
//
|
||||||
|
// SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
|
||||||
|
//
|
||||||
|
// SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
|
||||||
|
// pins are NOT connected to anything by default.
|
||||||
|
#define SERIAL_PORT_MONITOR Serial
|
||||||
|
#define SERIAL_PORT_USBVIRTUAL Serial
|
||||||
|
#define SERIAL_PORT_HARDWARE Serial1
|
||||||
|
#define SERIAL_PORT_HARDWARE_OPEN Serial1
|
||||||
|
|
||||||
|
#endif /* Pins_Arduino_h */
|
||||||
@ -0,0 +1,67 @@
|
|||||||
|
#include <avr/io.h>
|
||||||
|
#include <avr/wdt.h>
|
||||||
|
#include <avr/power.h>
|
||||||
|
#include <avr/interrupt.h>
|
||||||
|
#include <util/delay.h>
|
||||||
|
#include <avr/eeprom.h>
|
||||||
|
#include "split_util.h"
|
||||||
|
#include "matrix.h"
|
||||||
|
#include "i2c.h"
|
||||||
|
#include "keyboard.h"
|
||||||
|
#include "config.h"
|
||||||
|
|
||||||
|
volatile bool isLeftHand = true;
|
||||||
|
|
||||||
|
static void setup_handedness(void) {
|
||||||
|
isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void keyboard_master_setup(void) {
|
||||||
|
#ifdef USE_I2C
|
||||||
|
i2c_master_init();
|
||||||
|
#else
|
||||||
|
serial_master_init();
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
static void keyboard_slave_setup(void) {
|
||||||
|
#ifdef USE_I2C
|
||||||
|
i2c_slave_init(SLAVE_I2C_ADDRESS);
|
||||||
|
#else
|
||||||
|
serial_slave_init();
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
bool has_usb(void) {
|
||||||
|
USBCON |= (1 << OTGPADE); //enables VBUS pad
|
||||||
|
_delay_us(5);
|
||||||
|
return (USBSTA & (1<<VBUS)); //checks state of VBUS
|
||||||
|
}
|
||||||
|
|
||||||
|
void split_keyboard_setup(void) {
|
||||||
|
setup_handedness();
|
||||||
|
|
||||||
|
if (has_usb()) {
|
||||||
|
keyboard_master_setup();
|
||||||
|
} else {
|
||||||
|
keyboard_slave_setup();
|
||||||
|
}
|
||||||
|
sei();
|
||||||
|
}
|
||||||
|
|
||||||
|
void keyboard_slave_loop(void) {
|
||||||
|
matrix_init();
|
||||||
|
|
||||||
|
while (1) {
|
||||||
|
matrix_slave_scan();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// this code runs before the usb and keyboard is initialized
|
||||||
|
void matrix_setup(void) {
|
||||||
|
split_keyboard_setup();
|
||||||
|
|
||||||
|
if (!has_usb()) {
|
||||||
|
keyboard_slave_loop();
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,20 @@
|
|||||||
|
#ifndef SPLIT_KEYBOARD_UTIL_H
|
||||||
|
#define SPLIT_KEYBOARD_UTIL_H
|
||||||
|
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
#define EECONFIG_BOOTMAGIC_END (uint8_t *)10
|
||||||
|
#define EECONFIG_HANDEDNESS EECONFIG_BOOTMAGIC_END
|
||||||
|
|
||||||
|
#define SLAVE_I2C_ADDRESS 0x32
|
||||||
|
|
||||||
|
extern volatile bool isLeftHand;
|
||||||
|
|
||||||
|
// slave version of matix scan, defined in matrix.c
|
||||||
|
void matrix_slave_scan(void);
|
||||||
|
|
||||||
|
void split_keyboard_setup(void);
|
||||||
|
bool has_usb(void);
|
||||||
|
void keyboard_slave_loop(void);
|
||||||
|
|
||||||
|
#endif
|
||||||
@ -0,0 +1,226 @@
|
|||||||
|
# Hey Emacs, this is a -*- makefile -*-
|
||||||
|
|
||||||
|
# AVR-GCC Makefile template, derived from the WinAVR template (which
|
||||||
|
# is public domain), believed to be neutral to any flavor of "make"
|
||||||
|
# (GNU make, BSD make, SysV make)
|
||||||
|
|
||||||
|
|
||||||
|
MCU = atmega328p
|
||||||
|
FORMAT = ihex
|
||||||
|
TARGET = keyboard-i2c-slave
|
||||||
|
SRC = \
|
||||||
|
$(TARGET).c \
|
||||||
|
uno-matrix.c \
|
||||||
|
../serial.c \
|
||||||
|
../i2c-slave.c
|
||||||
|
|
||||||
|
ASRC =
|
||||||
|
OPT = s
|
||||||
|
|
||||||
|
# Programming support using avrdude. Settings and variables.
|
||||||
|
|
||||||
|
AVRDUDE_PROGRAMMER = arduino
|
||||||
|
AVRDUDE_PORT = /dev/ttyACM0
|
||||||
|
|
||||||
|
# Name of this Makefile (used for "make depend").
|
||||||
|
MAKEFILE = Makefile
|
||||||
|
|
||||||
|
# Debugging format.
|
||||||
|
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
|
||||||
|
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
|
||||||
|
DEBUG = stabs
|
||||||
|
|
||||||
|
# Compiler flag to set the C Standard level.
|
||||||
|
# c89 - "ANSI" C
|
||||||
|
# gnu89 - c89 plus GCC extensions
|
||||||
|
# c99 - ISO C99 standard (not yet fully implemented)
|
||||||
|
# gnu99 - c99 plus GCC extensions
|
||||||
|
CSTANDARD = -std=gnu99
|
||||||
|
|
||||||
|
# Place -D or -U options here
|
||||||
|
CDEFS =
|
||||||
|
|
||||||
|
# Place -I options here
|
||||||
|
CINCS =
|
||||||
|
|
||||||
|
|
||||||
|
CDEBUG = -g$(DEBUG)
|
||||||
|
CWARN = -Wall -Wstrict-prototypes
|
||||||
|
CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
|
||||||
|
#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
|
||||||
|
CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA) \
|
||||||
|
-fno-aggressive-loop-optimizations
|
||||||
|
|
||||||
|
#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
|
||||||
|
|
||||||
|
|
||||||
|
#Additional libraries.
|
||||||
|
|
||||||
|
# Minimalistic printf version
|
||||||
|
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
|
||||||
|
|
||||||
|
# Floating point printf version (requires MATH_LIB = -lm below)
|
||||||
|
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
|
||||||
|
|
||||||
|
PRINTF_LIB =
|
||||||
|
|
||||||
|
# Minimalistic scanf version
|
||||||
|
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
|
||||||
|
|
||||||
|
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
|
||||||
|
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
|
||||||
|
|
||||||
|
SCANF_LIB =
|
||||||
|
|
||||||
|
MATH_LIB = -lm
|
||||||
|
|
||||||
|
# External memory options
|
||||||
|
|
||||||
|
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
||||||
|
# used for variables (.data/.bss) and heap (malloc()).
|
||||||
|
#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
|
||||||
|
|
||||||
|
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
|
||||||
|
# only used for heap (malloc()).
|
||||||
|
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
|
||||||
|
|
||||||
|
EXTMEMOPTS =
|
||||||
|
|
||||||
|
#LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
|
||||||
|
LDFLAGS = $(EXTMEMOPTS) $(LDMAP) $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
|
||||||
|
|
||||||
|
|
||||||
|
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
|
||||||
|
#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
|
||||||
|
|
||||||
|
|
||||||
|
# Uncomment the following if you want avrdude's erase cycle counter.
|
||||||
|
# Note that this counter needs to be initialized first using -Yn,
|
||||||
|
# see avrdude manual.
|
||||||
|
#AVRDUDE_ERASE_COUNTER = -y
|
||||||
|
|
||||||
|
# Uncomment the following if you do /not/ wish a verification to be
|
||||||
|
# performed after programming the device.
|
||||||
|
#AVRDUDE_NO_VERIFY = -V
|
||||||
|
|
||||||
|
# Increase verbosity level. Please use this when submitting bug
|
||||||
|
# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
|
||||||
|
# to submit bug reports.
|
||||||
|
#AVRDUDE_VERBOSE = -v -v
|
||||||
|
|
||||||
|
AVRDUDE_BASIC = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
|
||||||
|
AVRDUDE_FLAGS = $(AVRDUDE_BASIC) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
|
||||||
|
|
||||||
|
|
||||||
|
CC = avr-gcc
|
||||||
|
OBJCOPY = avr-objcopy
|
||||||
|
OBJDUMP = avr-objdump
|
||||||
|
SIZE = avr-size
|
||||||
|
NM = avr-nm
|
||||||
|
AVRDUDE = avrdude
|
||||||
|
REMOVE = rm -f
|
||||||
|
MV = mv -f
|
||||||
|
|
||||||
|
# Define all object files.
|
||||||
|
OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
|
||||||
|
|
||||||
|
# Define all listing files.
|
||||||
|
LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
|
||||||
|
|
||||||
|
# Combine all necessary flags and optional flags.
|
||||||
|
# Add target processor to flags.
|
||||||
|
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
|
||||||
|
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
|
||||||
|
|
||||||
|
|
||||||
|
# Default target.
|
||||||
|
all: build
|
||||||
|
|
||||||
|
build: elf hex eep
|
||||||
|
|
||||||
|
elf: $(TARGET).elf
|
||||||
|
hex: $(TARGET).hex
|
||||||
|
eep: $(TARGET).eep
|
||||||
|
lss: $(TARGET).lss
|
||||||
|
sym: $(TARGET).sym
|
||||||
|
|
||||||
|
|
||||||
|
# Program the device.
|
||||||
|
program: $(TARGET).hex $(TARGET).eep
|
||||||
|
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
|
||||||
|
|
||||||
|
|
||||||
|
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
|
||||||
|
COFFCONVERT=$(OBJCOPY) --debugging \
|
||||||
|
--change-section-address .data-0x800000 \
|
||||||
|
--change-section-address .bss-0x800000 \
|
||||||
|
--change-section-address .noinit-0x800000 \
|
||||||
|
--change-section-address .eeprom-0x810000
|
||||||
|
|
||||||
|
|
||||||
|
coff: $(TARGET).elf
|
||||||
|
$(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
|
||||||
|
|
||||||
|
|
||||||
|
extcoff: $(TARGET).elf
|
||||||
|
$(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
|
||||||
|
|
||||||
|
|
||||||
|
.SUFFIXES: .elf .hex .eep .lss .sym
|
||||||
|
|
||||||
|
.elf.hex:
|
||||||
|
$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
|
||||||
|
|
||||||
|
.elf.eep:
|
||||||
|
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
|
||||||
|
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
|
||||||
|
|
||||||
|
# Create extended listing file from ELF output file.
|
||||||
|
.elf.lss:
|
||||||
|
$(OBJDUMP) -h -S $< > $@
|
||||||
|
|
||||||
|
# Create a symbol table from ELF output file.
|
||||||
|
.elf.sym:
|
||||||
|
$(NM) -n $< > $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# Link: create ELF output file from object files.
|
||||||
|
$(TARGET).elf: $(OBJ)
|
||||||
|
$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
|
||||||
|
|
||||||
|
|
||||||
|
# Compile: create object files from C source files.
|
||||||
|
.c.o:
|
||||||
|
$(CC) -c $(ALL_CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
# Compile: create assembler files from C source files.
|
||||||
|
.c.s:
|
||||||
|
$(CC) -S $(ALL_CFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
# Assemble: create object files from assembler source files.
|
||||||
|
.S.o:
|
||||||
|
$(CC) -c $(ALL_ASFLAGS) $< -o $@
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
# Target: clean project.
|
||||||
|
clean:
|
||||||
|
$(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
|
||||||
|
$(TARGET).map $(TARGET).sym $(TARGET).lss \
|
||||||
|
$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d)
|
||||||
|
|
||||||
|
depend:
|
||||||
|
if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
|
||||||
|
then \
|
||||||
|
sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
|
||||||
|
$(MAKEFILE).$$$$ && \
|
||||||
|
$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
|
||||||
|
fi
|
||||||
|
echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
|
||||||
|
>> $(MAKEFILE); \
|
||||||
|
$(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
|
||||||
|
|
||||||
|
.PHONY: all build elf hex eep lss sym program coff extcoff clean depend
|
||||||
@ -0,0 +1,42 @@
|
|||||||
|
#include "../i2c-slave.h"
|
||||||
|
#include "../serial.h"
|
||||||
|
#include "uno-matrix.h"
|
||||||
|
|
||||||
|
#include <avr/io.h>
|
||||||
|
#include <avr/interrupt.h>
|
||||||
|
#include <util/delay.h>
|
||||||
|
|
||||||
|
void setup(void) {
|
||||||
|
// give some time for noise to clear
|
||||||
|
_delay_us(1000);
|
||||||
|
|
||||||
|
// turn off arduino uno's led on pin 13
|
||||||
|
DDRB |= (1 << 5);
|
||||||
|
PORTB &= ~(1 << 5);
|
||||||
|
|
||||||
|
matrix_init();
|
||||||
|
/* i2c_slave_init(0x32); */
|
||||||
|
serial_slave_init();
|
||||||
|
|
||||||
|
/* serial_slave_buffer[0] = 0xa1; */
|
||||||
|
/* serial_slave_buffer[1] = 0x52; */
|
||||||
|
/* serial_slave_buffer[2] = 0xa2; */
|
||||||
|
/* serial_slave_buffer[3] = 0x67; */
|
||||||
|
|
||||||
|
// need interrupts for i2c slave code to work
|
||||||
|
sei();
|
||||||
|
}
|
||||||
|
|
||||||
|
void loop(void) {
|
||||||
|
matrix_scan();
|
||||||
|
for(int i=0; i<MATRIX_ROWS; ++i) {
|
||||||
|
slaveBuffer[i] = matrix_get_row(i);
|
||||||
|
serial_slave_buffer[i] = slaveBuffer[i];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(int argc, char *argv[]) {
|
||||||
|
setup();
|
||||||
|
while (1)
|
||||||
|
loop();
|
||||||
|
}
|
||||||
@ -0,0 +1 @@
|
|||||||
|
Code for Arduino uno (atmega328p) slave used for testing.
|
||||||
@ -0,0 +1,160 @@
|
|||||||
|
#define F_CPU 16000000UL
|
||||||
|
|
||||||
|
#include <util/delay.h>
|
||||||
|
#include <avr/io.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
|
||||||
|
#include "uno-matrix.h"
|
||||||
|
|
||||||
|
#define debug(X) NULL
|
||||||
|
#define debug_hex(X) NULL
|
||||||
|
|
||||||
|
#ifndef DEBOUNCE
|
||||||
|
# define DEBOUNCE 5
|
||||||
|
#endif
|
||||||
|
|
||||||
|
static uint8_t debouncing = DEBOUNCE;
|
||||||
|
|
||||||
|
/* matrix state(1:on, 0:off) */
|
||||||
|
static matrix_row_t matrix[MATRIX_ROWS];
|
||||||
|
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
|
||||||
|
|
||||||
|
static matrix_row_t read_cols(void);
|
||||||
|
static void init_cols(void);
|
||||||
|
static void unselect_rows(void);
|
||||||
|
static void select_row(uint8_t row);
|
||||||
|
|
||||||
|
inline
|
||||||
|
uint8_t matrix_rows(void)
|
||||||
|
{
|
||||||
|
return MATRIX_ROWS;
|
||||||
|
}
|
||||||
|
|
||||||
|
inline
|
||||||
|
uint8_t matrix_cols(void)
|
||||||
|
{
|
||||||
|
return MATRIX_COLS;
|
||||||
|
}
|
||||||
|
|
||||||
|
void matrix_init(void)
|
||||||
|
{
|
||||||
|
//debug_enable = true;
|
||||||
|
//debug_matrix = true;
|
||||||
|
//debug_mouse = true;
|
||||||
|
// initialize row and col
|
||||||
|
unselect_rows();
|
||||||
|
init_cols();
|
||||||
|
|
||||||
|
// initialize matrix state: all keys off
|
||||||
|
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
|
||||||
|
matrix[i] = 0;
|
||||||
|
matrix_debouncing[i] = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
uint8_t matrix_scan(void)
|
||||||
|
{
|
||||||
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
||||||
|
select_row(i);
|
||||||
|
_delay_us(30); // without this wait read unstable value.
|
||||||
|
matrix_row_t cols = read_cols();
|
||||||
|
//Serial.println(cols, BIN);
|
||||||
|
if (matrix_debouncing[i] != cols) {
|
||||||
|
matrix_debouncing[i] = cols;
|
||||||
|
if (debouncing) {
|
||||||
|
debug("bounce!: "); debug_hex(debouncing); debug("\n");
|
||||||
|
}
|
||||||
|
debouncing = DEBOUNCE;
|
||||||
|
}
|
||||||
|
unselect_rows();
|
||||||
|
}
|
||||||
|
|
||||||
|
if (debouncing) {
|
||||||
|
if (--debouncing) {
|
||||||
|
_delay_ms(1);
|
||||||
|
} else {
|
||||||
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
||||||
|
matrix[i] = matrix_debouncing[i];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool matrix_is_modified(void)
|
||||||
|
{
|
||||||
|
if (debouncing) return false;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
inline
|
||||||
|
bool matrix_is_on(uint8_t row, uint8_t col)
|
||||||
|
{
|
||||||
|
return (matrix[row] & ((matrix_row_t)1<<col));
|
||||||
|
}
|
||||||
|
|
||||||
|
inline
|
||||||
|
matrix_row_t matrix_get_row(uint8_t row)
|
||||||
|
{
|
||||||
|
return matrix[row];
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO update this comment
|
||||||
|
/* Column pin configuration
|
||||||
|
* col: 0 1 2 3 4 5
|
||||||
|
* pin: D3 D4 D5 D6 D7 B0
|
||||||
|
*/
|
||||||
|
static void init_cols(void)
|
||||||
|
{
|
||||||
|
// Input with pull-up(DDR:0, PORT:1)
|
||||||
|
DDRD &= ~(1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
|
||||||
|
PORTD |= (1<<3 | 1<<4 | 1<<5 | 1<<6 | 1<<7);
|
||||||
|
|
||||||
|
DDRB &= ~(1<<0);
|
||||||
|
PORTB |= (1<<0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static matrix_row_t read_cols(void)
|
||||||
|
{
|
||||||
|
return (PIND&(1<<3) ? 0 : (1<<0)) |
|
||||||
|
(PIND&(1<<4) ? 0 : (1<<1)) |
|
||||||
|
(PIND&(1<<5) ? 0 : (1<<2)) |
|
||||||
|
(PIND&(1<<6) ? 0 : (1<<3)) |
|
||||||
|
(PIND&(1<<7) ? 0 : (1<<4)) |
|
||||||
|
(PINB&(1<<0) ? 0 : (1<<5));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Row pin configuration
|
||||||
|
* row: 0 1 2 3
|
||||||
|
* pin: C0 C1 C2 C3
|
||||||
|
*/
|
||||||
|
static void unselect_rows(void)
|
||||||
|
{
|
||||||
|
// Hi-Z(DDR:0, PORT:0) to unselect
|
||||||
|
DDRC &= ~0xF;
|
||||||
|
PORTC &= ~0xF;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void select_row(uint8_t row)
|
||||||
|
{
|
||||||
|
// Output low(DDR:1, PORT:0) to select
|
||||||
|
switch (row) {
|
||||||
|
case 0:
|
||||||
|
DDRC |= (1<<0);
|
||||||
|
PORTC &= ~(1<<0);
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
DDRC |= (1<<1);
|
||||||
|
PORTC &= ~(1<<1);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
DDRC |= (1<<2);
|
||||||
|
PORTC &= ~(1<<2);
|
||||||
|
break;
|
||||||
|
case 3:
|
||||||
|
DDRC |= (1<<3);
|
||||||
|
PORTC &= ~(1<<3);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,19 @@
|
|||||||
|
#ifndef UNO_MATRIX
|
||||||
|
#define UNO_MATRIX
|
||||||
|
|
||||||
|
#define MATRIX_ROWS 4
|
||||||
|
#define MATRIX_COLS 6
|
||||||
|
|
||||||
|
#include <stdbool.h>
|
||||||
|
|
||||||
|
typedef uint8_t matrix_row_t;
|
||||||
|
|
||||||
|
uint8_t matrix_rows(void);
|
||||||
|
uint8_t matrix_cols(void);
|
||||||
|
void matrix_init(void);
|
||||||
|
uint8_t matrix_scan(void);
|
||||||
|
bool matrix_is_modified(void);
|
||||||
|
bool matrix_is_on(uint8_t row, uint8_t col);
|
||||||
|
matrix_row_t matrix_get_row(uint8_t row);
|
||||||
|
|
||||||
|
#endif
|
||||||
@ -0,0 +1,377 @@
|
|||||||
|
/* Name: usbconfig.h
|
||||||
|
* Project: V-USB, virtual USB port for Atmel's(r) AVR(r) microcontrollers
|
||||||
|
* Author: Christian Starkjohann
|
||||||
|
* Creation Date: 2005-04-01
|
||||||
|
* Tabsize: 4
|
||||||
|
* Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH
|
||||||
|
* License: GNU GPL v2 (see License.txt), GNU GPL v3 or proprietary (CommercialLicense.txt)
|
||||||
|
* This Revision: $Id: usbconfig-prototype.h 785 2010-05-30 17:57:07Z cs $
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __usbconfig_h_included__
|
||||||
|
#define __usbconfig_h_included__
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
General Description:
|
||||||
|
This file is an example configuration (with inline documentation) for the USB
|
||||||
|
driver. It configures V-USB for USB D+ connected to Port D bit 2 (which is
|
||||||
|
also hardware interrupt 0 on many devices) and USB D- to Port D bit 4. You may
|
||||||
|
wire the lines to any other port, as long as D+ is also wired to INT0 (or any
|
||||||
|
other hardware interrupt, as long as it is the highest level interrupt, see
|
||||||
|
section at the end of this file).
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* ---------------------------- Hardware Config ---------------------------- */
|
||||||
|
|
||||||
|
#define USB_CFG_IOPORTNAME D
|
||||||
|
/* This is the port where the USB bus is connected. When you configure it to
|
||||||
|
* "B", the registers PORTB, PINB and DDRB will be used.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DMINUS_BIT 3
|
||||||
|
/* This is the bit number in USB_CFG_IOPORT where the USB D- line is connected.
|
||||||
|
* This may be any bit in the port.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DPLUS_BIT 2
|
||||||
|
/* This is the bit number in USB_CFG_IOPORT where the USB D+ line is connected.
|
||||||
|
* This may be any bit in the port. Please note that D+ must also be connected
|
||||||
|
* to interrupt pin INT0! [You can also use other interrupts, see section
|
||||||
|
* "Optional MCU Description" below, or you can connect D- to the interrupt, as
|
||||||
|
* it is required if you use the USB_COUNT_SOF feature. If you use D- for the
|
||||||
|
* interrupt, the USB interrupt will also be triggered at Start-Of-Frame
|
||||||
|
* markers every millisecond.]
|
||||||
|
*/
|
||||||
|
#define USB_CFG_CLOCK_KHZ (F_CPU/1000)
|
||||||
|
/* Clock rate of the AVR in kHz. Legal values are 12000, 12800, 15000, 16000,
|
||||||
|
* 16500, 18000 and 20000. The 12.8 MHz and 16.5 MHz versions of the code
|
||||||
|
* require no crystal, they tolerate +/- 1% deviation from the nominal
|
||||||
|
* frequency. All other rates require a precision of 2000 ppm and thus a
|
||||||
|
* crystal!
|
||||||
|
* Since F_CPU should be defined to your actual clock rate anyway, you should
|
||||||
|
* not need to modify this setting.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_CHECK_CRC 0
|
||||||
|
/* Define this to 1 if you want that the driver checks integrity of incoming
|
||||||
|
* data packets (CRC checks). CRC checks cost quite a bit of code size and are
|
||||||
|
* currently only available for 18 MHz crystal clock. You must choose
|
||||||
|
* USB_CFG_CLOCK_KHZ = 18000 if you enable this option.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* ----------------------- Optional Hardware Config ------------------------ */
|
||||||
|
|
||||||
|
/* #define USB_CFG_PULLUP_IOPORTNAME D */
|
||||||
|
/* If you connect the 1.5k pullup resistor from D- to a port pin instead of
|
||||||
|
* V+, you can connect and disconnect the device from firmware by calling
|
||||||
|
* the macros usbDeviceConnect() and usbDeviceDisconnect() (see usbdrv.h).
|
||||||
|
* This constant defines the port on which the pullup resistor is connected.
|
||||||
|
*/
|
||||||
|
/* #define USB_CFG_PULLUP_BIT 4 */
|
||||||
|
/* This constant defines the bit number in USB_CFG_PULLUP_IOPORT (defined
|
||||||
|
* above) where the 1.5k pullup resistor is connected. See description
|
||||||
|
* above for details.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* --------------------------- Functional Range ---------------------------- */
|
||||||
|
|
||||||
|
#define USB_CFG_HAVE_INTRIN_ENDPOINT 1
|
||||||
|
/* Define this to 1 if you want to compile a version with two endpoints: The
|
||||||
|
* default control endpoint 0 and an interrupt-in endpoint (any other endpoint
|
||||||
|
* number).
|
||||||
|
*/
|
||||||
|
#define USB_CFG_HAVE_INTRIN_ENDPOINT3 1
|
||||||
|
/* Define this to 1 if you want to compile a version with three endpoints: The
|
||||||
|
* default control endpoint 0, an interrupt-in endpoint 3 (or the number
|
||||||
|
* configured below) and a catch-all default interrupt-in endpoint as above.
|
||||||
|
* You must also define USB_CFG_HAVE_INTRIN_ENDPOINT to 1 for this feature.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_EP3_NUMBER 3
|
||||||
|
/* If the so-called endpoint 3 is used, it can now be configured to any other
|
||||||
|
* endpoint number (except 0) with this macro. Default if undefined is 3.
|
||||||
|
*/
|
||||||
|
/* #define USB_INITIAL_DATATOKEN USBPID_DATA1 */
|
||||||
|
/* The above macro defines the startup condition for data toggling on the
|
||||||
|
* interrupt/bulk endpoints 1 and 3. Defaults to USBPID_DATA1.
|
||||||
|
* Since the token is toggled BEFORE sending any data, the first packet is
|
||||||
|
* sent with the oposite value of this configuration!
|
||||||
|
*/
|
||||||
|
#define USB_CFG_IMPLEMENT_HALT 0
|
||||||
|
/* Define this to 1 if you also want to implement the ENDPOINT_HALT feature
|
||||||
|
* for endpoint 1 (interrupt endpoint). Although you may not need this feature,
|
||||||
|
* it is required by the standard. We have made it a config option because it
|
||||||
|
* bloats the code considerably.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_SUPPRESS_INTR_CODE 0
|
||||||
|
/* Define this to 1 if you want to declare interrupt-in endpoints, but don't
|
||||||
|
* want to send any data over them. If this macro is defined to 1, functions
|
||||||
|
* usbSetInterrupt() and usbSetInterrupt3() are omitted. This is useful if
|
||||||
|
* you need the interrupt-in endpoints in order to comply to an interface
|
||||||
|
* (e.g. HID), but never want to send any data. This option saves a couple
|
||||||
|
* of bytes in flash memory and the transmit buffers in RAM.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_INTR_POLL_INTERVAL 10
|
||||||
|
/* If you compile a version with endpoint 1 (interrupt-in), this is the poll
|
||||||
|
* interval. The value is in milliseconds and must not be less than 10 ms for
|
||||||
|
* low speed devices.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_IS_SELF_POWERED 0
|
||||||
|
/* Define this to 1 if the device has its own power supply. Set it to 0 if the
|
||||||
|
* device is powered from the USB bus.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_MAX_BUS_POWER 100
|
||||||
|
/* Set this variable to the maximum USB bus power consumption of your device.
|
||||||
|
* The value is in milliamperes. [It will be divided by two since USB
|
||||||
|
* communicates power requirements in units of 2 mA.]
|
||||||
|
*/
|
||||||
|
#define USB_CFG_IMPLEMENT_FN_WRITE 1
|
||||||
|
/* Set this to 1 if you want usbFunctionWrite() to be called for control-out
|
||||||
|
* transfers. Set it to 0 if you don't need it and want to save a couple of
|
||||||
|
* bytes.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_IMPLEMENT_FN_READ 0
|
||||||
|
/* Set this to 1 if you need to send control replies which are generated
|
||||||
|
* "on the fly" when usbFunctionRead() is called. If you only want to send
|
||||||
|
* data from a static buffer, set it to 0 and return the data from
|
||||||
|
* usbFunctionSetup(). This saves a couple of bytes.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_IMPLEMENT_FN_WRITEOUT 0
|
||||||
|
/* Define this to 1 if you want to use interrupt-out (or bulk out) endpoints.
|
||||||
|
* You must implement the function usbFunctionWriteOut() which receives all
|
||||||
|
* interrupt/bulk data sent to any endpoint other than 0. The endpoint number
|
||||||
|
* can be found in 'usbRxToken'.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_HAVE_FLOWCONTROL 0
|
||||||
|
/* Define this to 1 if you want flowcontrol over USB data. See the definition
|
||||||
|
* of the macros usbDisableAllRequests() and usbEnableAllRequests() in
|
||||||
|
* usbdrv.h.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DRIVER_FLASH_PAGE 0
|
||||||
|
/* If the device has more than 64 kBytes of flash, define this to the 64 k page
|
||||||
|
* where the driver's constants (descriptors) are located. Or in other words:
|
||||||
|
* Define this to 1 for boot loaders on the ATMega128.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_LONG_TRANSFERS 0
|
||||||
|
/* Define this to 1 if you want to send/receive blocks of more than 254 bytes
|
||||||
|
* in a single control-in or control-out transfer. Note that the capability
|
||||||
|
* for long transfers increases the driver size.
|
||||||
|
*/
|
||||||
|
/* #define USB_RX_USER_HOOK(data, len) if(usbRxToken == (uchar)USBPID_SETUP) blinkLED(); */
|
||||||
|
/* This macro is a hook if you want to do unconventional things. If it is
|
||||||
|
* defined, it's inserted at the beginning of received message processing.
|
||||||
|
* If you eat the received message and don't want default processing to
|
||||||
|
* proceed, do a return after doing your things. One possible application
|
||||||
|
* (besides debugging) is to flash a status LED on each packet.
|
||||||
|
*/
|
||||||
|
/* #define USB_RESET_HOOK(resetStarts) if(!resetStarts){hadUsbReset();} */
|
||||||
|
/* This macro is a hook if you need to know when an USB RESET occurs. It has
|
||||||
|
* one parameter which distinguishes between the start of RESET state and its
|
||||||
|
* end.
|
||||||
|
*/
|
||||||
|
/* #define USB_SET_ADDRESS_HOOK() hadAddressAssigned(); */
|
||||||
|
/* This macro (if defined) is executed when a USB SET_ADDRESS request was
|
||||||
|
* received.
|
||||||
|
*/
|
||||||
|
#define USB_COUNT_SOF 0
|
||||||
|
/* define this macro to 1 if you need the global variable "usbSofCount" which
|
||||||
|
* counts SOF packets. This feature requires that the hardware interrupt is
|
||||||
|
* connected to D- instead of D+.
|
||||||
|
*/
|
||||||
|
/* #ifdef __ASSEMBLER__
|
||||||
|
* macro myAssemblerMacro
|
||||||
|
* in YL, TCNT0
|
||||||
|
* sts timer0Snapshot, YL
|
||||||
|
* endm
|
||||||
|
* #endif
|
||||||
|
* #define USB_SOF_HOOK myAssemblerMacro
|
||||||
|
* This macro (if defined) is executed in the assembler module when a
|
||||||
|
* Start Of Frame condition is detected. It is recommended to define it to
|
||||||
|
* the name of an assembler macro which is defined here as well so that more
|
||||||
|
* than one assembler instruction can be used. The macro may use the register
|
||||||
|
* YL and modify SREG. If it lasts longer than a couple of cycles, USB messages
|
||||||
|
* immediately after an SOF pulse may be lost and must be retried by the host.
|
||||||
|
* What can you do with this hook? Since the SOF signal occurs exactly every
|
||||||
|
* 1 ms (unless the host is in sleep mode), you can use it to tune OSCCAL in
|
||||||
|
* designs running on the internal RC oscillator.
|
||||||
|
* Please note that Start Of Frame detection works only if D- is wired to the
|
||||||
|
* interrupt, not D+. THIS IS DIFFERENT THAN MOST EXAMPLES!
|
||||||
|
*/
|
||||||
|
#define USB_CFG_CHECK_DATA_TOGGLING 0
|
||||||
|
/* define this macro to 1 if you want to filter out duplicate data packets
|
||||||
|
* sent by the host. Duplicates occur only as a consequence of communication
|
||||||
|
* errors, when the host does not receive an ACK. Please note that you need to
|
||||||
|
* implement the filtering yourself in usbFunctionWriteOut() and
|
||||||
|
* usbFunctionWrite(). Use the global usbCurrentDataToken and a static variable
|
||||||
|
* for each control- and out-endpoint to check for duplicate packets.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_HAVE_MEASURE_FRAME_LENGTH 0
|
||||||
|
/* define this macro to 1 if you want the function usbMeasureFrameLength()
|
||||||
|
* compiled in. This function can be used to calibrate the AVR's RC oscillator.
|
||||||
|
*/
|
||||||
|
#define USB_USE_FAST_CRC 0
|
||||||
|
/* The assembler module has two implementations for the CRC algorithm. One is
|
||||||
|
* faster, the other is smaller. This CRC routine is only used for transmitted
|
||||||
|
* messages where timing is not critical. The faster routine needs 31 cycles
|
||||||
|
* per byte while the smaller one needs 61 to 69 cycles. The faster routine
|
||||||
|
* may be worth the 32 bytes bigger code size if you transmit lots of data and
|
||||||
|
* run the AVR close to its limit.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* -------------------------- Device Description --------------------------- */
|
||||||
|
|
||||||
|
#define USB_CFG_VENDOR_ID (VENDOR_ID & 0xFF), ((VENDOR_ID >> 8) & 0xFF)
|
||||||
|
/* USB vendor ID for the device, low byte first. If you have registered your
|
||||||
|
* own Vendor ID, define it here. Otherwise you may use one of obdev's free
|
||||||
|
* shared VID/PID pairs. Be sure to read USB-IDs-for-free.txt for rules!
|
||||||
|
* *** IMPORTANT NOTE ***
|
||||||
|
* This template uses obdev's shared VID/PID pair for Vendor Class devices
|
||||||
|
* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand
|
||||||
|
* the implications!
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DEVICE_ID (PRODUCT_ID & 0xFF), ((PRODUCT_ID >> 8) & 0xFF)
|
||||||
|
/* This is the ID of the product, low byte first. It is interpreted in the
|
||||||
|
* scope of the vendor ID. If you have registered your own VID with usb.org
|
||||||
|
* or if you have licensed a PID from somebody else, define it here. Otherwise
|
||||||
|
* you may use one of obdev's free shared VID/PID pairs. See the file
|
||||||
|
* USB-IDs-for-free.txt for details!
|
||||||
|
* *** IMPORTANT NOTE ***
|
||||||
|
* This template uses obdev's shared VID/PID pair for Vendor Class devices
|
||||||
|
* with libusb: 0x16c0/0x5dc. Use this VID/PID pair ONLY if you understand
|
||||||
|
* the implications!
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DEVICE_VERSION 0x00, 0x01
|
||||||
|
/* Version number of the device: Minor number first, then major number.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_VENDOR_NAME 't', '.', 'm', '.', 'k', '.'
|
||||||
|
#define USB_CFG_VENDOR_NAME_LEN 6
|
||||||
|
/* These two values define the vendor name returned by the USB device. The name
|
||||||
|
* must be given as a list of characters under single quotes. The characters
|
||||||
|
* are interpreted as Unicode (UTF-16) entities.
|
||||||
|
* If you don't want a vendor name string, undefine these macros.
|
||||||
|
* ALWAYS define a vendor name containing your Internet domain name if you use
|
||||||
|
* obdev's free shared VID/PID pair. See the file USB-IDs-for-free.txt for
|
||||||
|
* details.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DEVICE_NAME 'P', 'S', '/', '2', ' ', 'k', 'e', 'y', 'b', 'o', 'a', 'r', 'd', ' ', 'c', 'o', 'n', 'v', 'e', 'r', 't', 'e', 'r'
|
||||||
|
#define USB_CFG_DEVICE_NAME_LEN 23
|
||||||
|
/* Same as above for the device name. If you don't want a device name, undefine
|
||||||
|
* the macros. See the file USB-IDs-for-free.txt before you assign a name if
|
||||||
|
* you use a shared VID/PID.
|
||||||
|
*/
|
||||||
|
/*#define USB_CFG_SERIAL_NUMBER 'N', 'o', 'n', 'e' */
|
||||||
|
/*#define USB_CFG_SERIAL_NUMBER_LEN 0 */
|
||||||
|
/* Same as above for the serial number. If you don't want a serial number,
|
||||||
|
* undefine the macros.
|
||||||
|
* It may be useful to provide the serial number through other means than at
|
||||||
|
* compile time. See the section about descriptor properties below for how
|
||||||
|
* to fine tune control over USB descriptors such as the string descriptor
|
||||||
|
* for the serial number.
|
||||||
|
*/
|
||||||
|
#define USB_CFG_DEVICE_CLASS 0
|
||||||
|
#define USB_CFG_DEVICE_SUBCLASS 0
|
||||||
|
/* See USB specification if you want to conform to an existing device class.
|
||||||
|
* Class 0xff is "vendor specific".
|
||||||
|
*/
|
||||||
|
#define USB_CFG_INTERFACE_CLASS 3 /* HID */
|
||||||
|
#define USB_CFG_INTERFACE_SUBCLASS 1 /* Boot */
|
||||||
|
#define USB_CFG_INTERFACE_PROTOCOL 1 /* Keyboard */
|
||||||
|
/* See USB specification if you want to conform to an existing device class or
|
||||||
|
* protocol. The following classes must be set at interface level:
|
||||||
|
* HID class is 3, no subclass and protocol required (but may be useful!)
|
||||||
|
* CDC class is 2, use subclass 2 and protocol 1 for ACM
|
||||||
|
*/
|
||||||
|
#define USB_CFG_HID_REPORT_DESCRIPTOR_LENGTH 0
|
||||||
|
/* Define this to the length of the HID report descriptor, if you implement
|
||||||
|
* an HID device. Otherwise don't define it or define it to 0.
|
||||||
|
* If you use this define, you must add a PROGMEM character array named
|
||||||
|
* "usbHidReportDescriptor" to your code which contains the report descriptor.
|
||||||
|
* Don't forget to keep the array and this define in sync!
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* #define USB_PUBLIC static */
|
||||||
|
/* Use the define above if you #include usbdrv.c instead of linking against it.
|
||||||
|
* This technique saves a couple of bytes in flash memory.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* ------------------- Fine Control over USB Descriptors ------------------- */
|
||||||
|
/* If you don't want to use the driver's default USB descriptors, you can
|
||||||
|
* provide our own. These can be provided as (1) fixed length static data in
|
||||||
|
* flash memory, (2) fixed length static data in RAM or (3) dynamically at
|
||||||
|
* runtime in the function usbFunctionDescriptor(). See usbdrv.h for more
|
||||||
|
* information about this function.
|
||||||
|
* Descriptor handling is configured through the descriptor's properties. If
|
||||||
|
* no properties are defined or if they are 0, the default descriptor is used.
|
||||||
|
* Possible properties are:
|
||||||
|
* + USB_PROP_IS_DYNAMIC: The data for the descriptor should be fetched
|
||||||
|
* at runtime via usbFunctionDescriptor(). If the usbMsgPtr mechanism is
|
||||||
|
* used, the data is in FLASH by default. Add property USB_PROP_IS_RAM if
|
||||||
|
* you want RAM pointers.
|
||||||
|
* + USB_PROP_IS_RAM: The data returned by usbFunctionDescriptor() or found
|
||||||
|
* in static memory is in RAM, not in flash memory.
|
||||||
|
* + USB_PROP_LENGTH(len): If the data is in static memory (RAM or flash),
|
||||||
|
* the driver must know the descriptor's length. The descriptor itself is
|
||||||
|
* found at the address of a well known identifier (see below).
|
||||||
|
* List of static descriptor names (must be declared PROGMEM if in flash):
|
||||||
|
* char usbDescriptorDevice[];
|
||||||
|
* char usbDescriptorConfiguration[];
|
||||||
|
* char usbDescriptorHidReport[];
|
||||||
|
* char usbDescriptorString0[];
|
||||||
|
* int usbDescriptorStringVendor[];
|
||||||
|
* int usbDescriptorStringDevice[];
|
||||||
|
* int usbDescriptorStringSerialNumber[];
|
||||||
|
* Other descriptors can't be provided statically, they must be provided
|
||||||
|
* dynamically at runtime.
|
||||||
|
*
|
||||||
|
* Descriptor properties are or-ed or added together, e.g.:
|
||||||
|
* #define USB_CFG_DESCR_PROPS_DEVICE (USB_PROP_IS_RAM | USB_PROP_LENGTH(18))
|
||||||
|
*
|
||||||
|
* The following descriptors are defined:
|
||||||
|
* USB_CFG_DESCR_PROPS_DEVICE
|
||||||
|
* USB_CFG_DESCR_PROPS_CONFIGURATION
|
||||||
|
* USB_CFG_DESCR_PROPS_STRINGS
|
||||||
|
* USB_CFG_DESCR_PROPS_STRING_0
|
||||||
|
* USB_CFG_DESCR_PROPS_STRING_VENDOR
|
||||||
|
* USB_CFG_DESCR_PROPS_STRING_PRODUCT
|
||||||
|
* USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER
|
||||||
|
* USB_CFG_DESCR_PROPS_HID
|
||||||
|
* USB_CFG_DESCR_PROPS_HID_REPORT
|
||||||
|
* USB_CFG_DESCR_PROPS_UNKNOWN (for all descriptors not handled by the driver)
|
||||||
|
*
|
||||||
|
* Note about string descriptors: String descriptors are not just strings, they
|
||||||
|
* are Unicode strings prefixed with a 2 byte header. Example:
|
||||||
|
* int serialNumberDescriptor[] = {
|
||||||
|
* USB_STRING_DESCRIPTOR_HEADER(6),
|
||||||
|
* 'S', 'e', 'r', 'i', 'a', 'l'
|
||||||
|
* };
|
||||||
|
*/
|
||||||
|
|
||||||
|
#define USB_CFG_DESCR_PROPS_DEVICE 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_CONFIGURATION USB_PROP_IS_DYNAMIC
|
||||||
|
//#define USB_CFG_DESCR_PROPS_CONFIGURATION 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_STRINGS 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_STRING_0 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_STRING_VENDOR 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_STRING_PRODUCT 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_STRING_SERIAL_NUMBER 0
|
||||||
|
//#define USB_CFG_DESCR_PROPS_HID USB_PROP_IS_DYNAMIC
|
||||||
|
#define USB_CFG_DESCR_PROPS_HID 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_HID_REPORT USB_PROP_IS_DYNAMIC
|
||||||
|
//#define USB_CFG_DESCR_PROPS_HID_REPORT 0
|
||||||
|
#define USB_CFG_DESCR_PROPS_UNKNOWN 0
|
||||||
|
|
||||||
|
/* ----------------------- Optional MCU Description ------------------------ */
|
||||||
|
|
||||||
|
/* The following configurations have working defaults in usbdrv.h. You
|
||||||
|
* usually don't need to set them explicitly. Only if you want to run
|
||||||
|
* the driver on a device which is not yet supported or with a compiler
|
||||||
|
* which is not fully supported (such as IAR C) or if you use a differnt
|
||||||
|
* interrupt than INT0, you may have to define some of these.
|
||||||
|
*/
|
||||||
|
/* #define USB_INTR_CFG MCUCR */
|
||||||
|
/* #define USB_INTR_CFG_SET ((1 << ISC00) | (1 << ISC01)) */
|
||||||
|
/* #define USB_INTR_CFG_CLR 0 */
|
||||||
|
/* #define USB_INTR_ENABLE GIMSK */
|
||||||
|
/* #define USB_INTR_ENABLE_BIT INT0 */
|
||||||
|
/* #define USB_INTR_PENDING GIFR */
|
||||||
|
/* #define USB_INTR_PENDING_BIT INTF0 */
|
||||||
|
/* #define USB_INTR_VECTOR INT0_vect */
|
||||||
|
|
||||||
|
#endif /* __usbconfig_h_included__ */
|
||||||
Loading…
Reference in New Issue