Merge branch 'luizribeiro-ps2avrGB'
Jack Humbert
7 years ago
commit
5ad5c230d6
@ -0,0 +1,104 @@
|
||||
/*
|
||||
Copyright 2016 Luiz Ribeiro <luizribeiro@gmail.com>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <avr/io.h>
|
||||
#include <util/twi.h>
|
||||
|
||||
#include "i2c.h"
|
||||
|
||||
void i2c_set_bitrate(uint16_t bitrate_khz) {
|
||||
uint8_t bitrate_div = ((F_CPU / 1000l) / bitrate_khz);
|
||||
if (bitrate_div >= 16) {
|
||||
bitrate_div = (bitrate_div - 16) / 2;
|
||||
}
|
||||
TWBR = bitrate_div;
|
||||
}
|
||||
|
||||
void i2c_init(void) {
|
||||
// set pull-up resistors on I2C bus pins
|
||||
PORTC |= 0b11;
|
||||
|
||||
i2c_set_bitrate(400);
|
||||
|
||||
// enable TWI (two-wire interface)
|
||||
TWCR |= (1 << TWEN);
|
||||
|
||||
// enable TWI interrupt and slave address ACK
|
||||
TWCR |= (1 << TWIE);
|
||||
TWCR |= (1 << TWEA);
|
||||
}
|
||||
|
||||
uint8_t i2c_start(uint8_t address) {
|
||||
// reset TWI control register
|
||||
TWCR = 0;
|
||||
|
||||
// begin transmission and wait for it to end
|
||||
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
|
||||
while (!(TWCR & (1<<TWINT)));
|
||||
|
||||
// check if the start condition was successfully transmitted
|
||||
if ((TWSR & 0xF8) != TW_START) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
// transmit address and wait
|
||||
TWDR = address;
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
while (!(TWCR & (1<<TWINT)));
|
||||
|
||||
// check if the device has acknowledged the READ / WRITE mode
|
||||
uint8_t twst = TW_STATUS & 0xF8;
|
||||
if ((twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK)) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void i2c_stop(void) {
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
|
||||
}
|
||||
|
||||
uint8_t i2c_write(uint8_t data) {
|
||||
TWDR = data;
|
||||
|
||||
// transmit data and wait
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
while (!(TWCR & (1<<TWINT)));
|
||||
|
||||
if ((TWSR & 0xF8) != TW_MT_DATA_ACK) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length) {
|
||||
if (i2c_start(address)) {
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (uint16_t i = 0; i < length; i++) {
|
||||
if (i2c_write(data[i])) {
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
||||
i2c_stop();
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -0,0 +1,25 @@
|
||||
/*
|
||||
Copyright 2016 Luiz Ribeiro <luizribeiro@gmail.com>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef __I2C_H__
|
||||
#define __I2C_H__
|
||||
|
||||
void i2c_init(void);
|
||||
void i2c_set_bitrate(uint16_t bitrate_khz);
|
||||
uint8_t i2c_send(uint8_t address, uint8_t *data, uint16_t length);
|
||||
|
||||
#endif
|
||||
@ -0,0 +1,45 @@
|
||||
/*
|
||||
Copyright 2017 Luiz Ribeiro <luizribeiro@gmail.com>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program 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 General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "ps2avrGB.h"
|
||||
#include "rgblight.h"
|
||||
|
||||
#include <avr/pgmspace.h>
|
||||
|
||||
#include "action_layer.h"
|
||||
#include "i2c.h"
|
||||
#include "quantum.h"
|
||||
|
||||
extern rgblight_config_t rgblight_config;
|
||||
|
||||
void rgblight_set(void) {
|
||||
if (!rgblight_config.enable) {
|
||||
for (uint8_t i = 0; i < RGBLED_NUM; i++) {
|
||||
led[i].r = 0;
|
||||
led[i].g = 0;
|
||||
led[i].b = 0;
|
||||
}
|
||||
}
|
||||
|
||||
i2c_init();
|
||||
i2c_send(0xb0, (uint8_t*)led, 3 * RGBLED_NUM);
|
||||
}
|
||||
|
||||
__attribute__ ((weak))
|
||||
void matrix_scan_user(void) {
|
||||
rgblight_task();
|
||||
}
|
||||
@ -0,0 +1,45 @@
|
||||
/*
|
||||
* light weight WS2812 lib include
|
||||
*
|
||||
* Version 2.3 - Nev 29th 2015
|
||||
* Author: Tim (cpldcpu@gmail.com)
|
||||
*
|
||||
* Please do not change this file! All configuration is handled in "ws2812_config.h"
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program 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 General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#ifndef RGBLIGHT_TYPES
|
||||
#define RGBLIGHT_TYPES
|
||||
|
||||
#include <avr/io.h>
|
||||
|
||||
#ifdef RGBW
|
||||
#define LED_TYPE struct cRGBW
|
||||
#else
|
||||
#define LED_TYPE struct cRGB
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* Structure of the LED array
|
||||
*
|
||||
* cRGB: RGB for WS2812S/B/C/D, SK6812, SK6812Mini, SK6812WWA, APA104, APA106
|
||||
* cRGBW: RGBW for SK6812RGBW
|
||||
*/
|
||||
|
||||
struct cRGB { uint8_t g; uint8_t r; uint8_t b; };
|
||||
struct cRGBW { uint8_t g; uint8_t r; uint8_t b; uint8_t w;};
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue