adds is31fl3731 rgb matrix implementation
Jack Humbert
7 years ago
parent
b7bb923962
commit
16de11fbc5
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/*
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* TWIlib.c
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*
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* Created: 6/01/2014 10:41:33 PM
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* Author: Chris Herring
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* http://www.chrisherring.net/all/tutorial-interrupt-driven-twi-interface-for-avr-part1/
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*/
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include "TWIlib.h"
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#include "util/delay.h"
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void TWIInit()
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{
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TWIInfo.mode = Ready;
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TWIInfo.errorCode = 0xFF;
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TWIInfo.repStart = 0;
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// Set pre-scalers (no pre-scaling)
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TWSR = 0;
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// Set bit rate
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TWBR = ((F_CPU / TWI_FREQ) - 16) / 2;
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// Enable TWI and interrupt
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TWCR = (1 << TWIE) | (1 << TWEN);
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}
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uint8_t isTWIReady()
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{
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if ( (TWIInfo.mode == Ready) | (TWIInfo.mode == RepeatedStartSent) )
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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uint8_t TWITransmitData(void *const TXdata, uint8_t dataLen, uint8_t repStart)
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{
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if (dataLen <= TXMAXBUFLEN)
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{
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// Wait until ready
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while (!isTWIReady()) {_delay_us(1);}
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// Set repeated start mode
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TWIInfo.repStart = repStart;
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// Copy data into the transmit buffer
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uint8_t *data = (uint8_t *)TXdata;
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for (int i = 0; i < dataLen; i++)
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{
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TWITransmitBuffer[i] = data[i];
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}
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// Copy transmit info to global variables
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TXBuffLen = dataLen;
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TXBuffIndex = 0;
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// If a repeated start has been sent, then devices are already listening for an address
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// and another start does not need to be sent.
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if (TWIInfo.mode == RepeatedStartSent)
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{
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TWIInfo.mode = Initializing;
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TWDR = TWITransmitBuffer[TXBuffIndex++]; // Load data to transmit buffer
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TWISendTransmit(); // Send the data
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}
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else // Otherwise, just send the normal start signal to begin transmission.
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{
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TWIInfo.mode = Initializing;
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TWISendStart();
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}
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}
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else
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{
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return 1; // return an error if data length is longer than buffer
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}
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return 0;
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}
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uint8_t TWIReadData(uint8_t TWIaddr, uint8_t bytesToRead, uint8_t repStart)
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{
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// Check if number of bytes to read can fit in the RXbuffer
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if (bytesToRead < RXMAXBUFLEN)
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{
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// Reset buffer index and set RXBuffLen to the number of bytes to read
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RXBuffIndex = 0;
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RXBuffLen = bytesToRead;
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// Create the one value array for the address to be transmitted
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uint8_t TXdata[1];
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// Shift the address and AND a 1 into the read write bit (set to write mode)
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TXdata[0] = (TWIaddr << 1) | 0x01;
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// Use the TWITransmitData function to initialize the transfer and address the slave
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TWITransmitData(TXdata, 1, repStart);
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}
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else
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{
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return 0;
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}
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return 1;
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}
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ISR (TWI_vect)
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{
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switch (TWI_STATUS)
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{
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// ----\/ ---- MASTER TRANSMITTER OR WRITING ADDRESS ----\/ ---- //
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case TWI_MT_SLAW_ACK: // SLA+W transmitted and ACK received
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// Set mode to Master Transmitter
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TWIInfo.mode = MasterTransmitter;
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case TWI_START_SENT: // Start condition has been transmitted
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case TWI_MT_DATA_ACK: // Data byte has been transmitted, ACK received
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if (TXBuffIndex < TXBuffLen) // If there is more data to send
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{
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TWDR = TWITransmitBuffer[TXBuffIndex++]; // Load data to transmit buffer
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TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
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TWISendTransmit(); // Send the data
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}
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// This transmission is complete however do not release bus yet
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else if (TWIInfo.repStart)
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{
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TWIInfo.errorCode = 0xFF;
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TWISendStart();
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}
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// All transmissions are complete, exit
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else
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{
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TWIInfo.mode = Ready;
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TWIInfo.errorCode = 0xFF;
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TWISendStop();
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}
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break;
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// ----\/ ---- MASTER RECEIVER ----\/ ---- //
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case TWI_MR_SLAR_ACK: // SLA+R has been transmitted, ACK has been received
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// Switch to Master Receiver mode
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TWIInfo.mode = MasterReceiver;
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// If there is more than one byte to be read, receive data byte and return an ACK
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if (RXBuffIndex < RXBuffLen-1)
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{
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TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
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TWISendACK();
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}
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// Otherwise when a data byte (the only data byte) is received, return NACK
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else
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{
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TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
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TWISendNACK();
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}
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break;
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case TWI_MR_DATA_ACK: // Data has been received, ACK has been transmitted.
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/// -- HANDLE DATA BYTE --- ///
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TWIReceiveBuffer[RXBuffIndex++] = TWDR;
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// If there is more than one byte to be read, receive data byte and return an ACK
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if (RXBuffIndex < RXBuffLen-1)
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{
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TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
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TWISendACK();
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}
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// Otherwise when a data byte (the only data byte) is received, return NACK
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else
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{
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TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
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TWISendNACK();
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}
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break;
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case TWI_MR_DATA_NACK: // Data byte has been received, NACK has been transmitted. End of transmission.
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/// -- HANDLE DATA BYTE --- ///
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TWIReceiveBuffer[RXBuffIndex++] = TWDR;
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// This transmission is complete however do not release bus yet
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if (TWIInfo.repStart)
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{
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TWIInfo.errorCode = 0xFF;
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TWISendStart();
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}
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// All transmissions are complete, exit
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else
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{
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TWIInfo.mode = Ready;
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TWIInfo.errorCode = 0xFF;
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TWISendStop();
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}
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break;
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// ----\/ ---- MT and MR common ----\/ ---- //
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case TWI_MR_SLAR_NACK: // SLA+R transmitted, NACK received
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case TWI_MT_SLAW_NACK: // SLA+W transmitted, NACK received
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case TWI_MT_DATA_NACK: // Data byte has been transmitted, NACK received
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case TWI_LOST_ARBIT: // Arbitration has been lost
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// Return error and send stop and set mode to ready
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if (TWIInfo.repStart)
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{
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TWIInfo.errorCode = TWI_STATUS;
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TWISendStart();
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}
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// All transmissions are complete, exit
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else
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{
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TWIInfo.mode = Ready;
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TWIInfo.errorCode = TWI_STATUS;
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TWISendStop();
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}
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break;
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case TWI_REP_START_SENT: // Repeated start has been transmitted
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// Set the mode but DO NOT clear TWINT as the next data is not yet ready
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TWIInfo.mode = RepeatedStartSent;
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break;
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// ----\/ ---- SLAVE RECEIVER ----\/ ---- //
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// TODO IMPLEMENT SLAVE RECEIVER FUNCTIONALITY
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// ----\/ ---- SLAVE TRANSMITTER ----\/ ---- //
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// TODO IMPLEMENT SLAVE TRANSMITTER FUNCTIONALITY
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// ----\/ ---- MISCELLANEOUS STATES ----\/ ---- //
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case TWI_NO_RELEVANT_INFO: // It is not really possible to get into this ISR on this condition
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// Rather, it is there to be manually set between operations
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break;
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case TWI_ILLEGAL_START_STOP: // Illegal START/STOP, abort and return error
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TWIInfo.errorCode = TWI_ILLEGAL_START_STOP;
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TWIInfo.mode = Ready;
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TWISendStop();
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break;
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}
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}
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@ -0,0 +1,82 @@
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/*
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* TWIlib.h
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*
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* Created: 6/01/2014 10:38:42 PM
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* Author: Chris Herring
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* http://www.chrisherring.net/all/tutorial-interrupt-driven-twi-interface-for-avr-part1/
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*/
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#ifndef TWILIB_H_
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#define TWILIB_H_
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// TWI bit rate (was 100000)
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#define TWI_FREQ 400000
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// Get TWI status
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#define TWI_STATUS (TWSR & 0xF8)
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// Transmit buffer length
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#define TXMAXBUFLEN 20
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// Receive buffer length
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#define RXMAXBUFLEN 20
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// Global transmit buffer
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uint8_t TWITransmitBuffer[TXMAXBUFLEN];
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// Global receive buffer
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volatile uint8_t TWIReceiveBuffer[RXMAXBUFLEN];
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// Buffer indexes
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volatile int TXBuffIndex; // Index of the transmit buffer. Is volatile, can change at any time.
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int RXBuffIndex; // Current index in the receive buffer
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// Buffer lengths
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int TXBuffLen; // The total length of the transmit buffer
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int RXBuffLen; // The total number of bytes to read (should be less than RXMAXBUFFLEN)
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typedef enum {
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Ready,
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Initializing,
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RepeatedStartSent,
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MasterTransmitter,
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MasterReceiver,
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SlaceTransmitter,
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SlaveReciever
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} TWIMode;
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typedef struct TWIInfoStruct{
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TWIMode mode;
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uint8_t errorCode;
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uint8_t repStart;
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}TWIInfoStruct;
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TWIInfoStruct TWIInfo;
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// TWI Status Codes
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#define TWI_START_SENT 0x08 // Start sent
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#define TWI_REP_START_SENT 0x10 // Repeated Start sent
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// Master Transmitter Mode
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#define TWI_MT_SLAW_ACK 0x18 // SLA+W sent and ACK received
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#define TWI_MT_SLAW_NACK 0x20 // SLA+W sent and NACK received
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#define TWI_MT_DATA_ACK 0x28 // DATA sent and ACK received
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#define TWI_MT_DATA_NACK 0x30 // DATA sent and NACK received
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// Master Receiver Mode
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#define TWI_MR_SLAR_ACK 0x40 // SLA+R sent, ACK received
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#define TWI_MR_SLAR_NACK 0x48 // SLA+R sent, NACK received
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#define TWI_MR_DATA_ACK 0x50 // Data received, ACK returned
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#define TWI_MR_DATA_NACK 0x58 // Data received, NACK returned
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// Miscellaneous States
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#define TWI_LOST_ARBIT 0x38 // Arbitration has been lost
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#define TWI_NO_RELEVANT_INFO 0xF8 // No relevant information available
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#define TWI_ILLEGAL_START_STOP 0x00 // Illegal START or STOP condition has been detected
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#define TWI_SUCCESS 0xFF // Successful transfer, this state is impossible from TWSR as bit2 is 0 and read only
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#define TWISendStart() (TWCR = (1<<TWINT)|(1<<TWSTA)|(1<<TWEN)|(1<<TWIE)) // Send the START signal, enable interrupts and TWI, clear TWINT flag to resume transfer.
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#define TWISendStop() (TWCR = (1<<TWINT)|(1<<TWSTO)|(1<<TWEN)|(1<<TWIE)) // Send the STOP signal, enable interrupts and TWI, clear TWINT flag.
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#define TWISendTransmit() (TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWIE)) // Used to resume a transfer, clear TWINT and ensure that TWI and interrupts are enabled.
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#define TWISendACK() (TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWIE)|(1<<TWEA)) // FOR MR mode. Resume a transfer, ensure that TWI and interrupts are enabled and respond with an ACK if the device is addressed as a slave or after it receives a byte.
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#define TWISendNACK() (TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWIE)) // FOR MR mode. Resume a transfer, ensure that TWI and interrupts are enabled but DO NOT respond with an ACK if the device is addressed as a slave or after it receives a byte.
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// Function declarations
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uint8_t TWITransmitData(void *const TXdata, uint8_t dataLen, uint8_t repStart);
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void TWIInit(void);
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uint8_t TWIReadData(uint8_t TWIaddr, uint8_t bytesToRead, uint8_t repStart);
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uint8_t isTWIReady(void);
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#endif // TWICOMMS_H_
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@ -0,0 +1,357 @@
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/* Copyright 2017 Jason Williams
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*
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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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*
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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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*
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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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#include "is31fl3731.h"
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#include <avr/interrupt.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include <string.h>
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#include "TWIlib.h"
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#include "progmem.h"
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// This is a 7-bit address, that gets left-shifted and bit 0
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// set to 0 for write, 1 for read (as per I2C protocol)
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// The address will vary depending on your wiring:
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// 0b1110100 AD <-> GND
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// 0b1110111 AD <-> VCC
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// 0b1110101 AD <-> SCL
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// 0b1110110 AD <-> SDA
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#define ISSI_ADDR_DEFAULT 0x74
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#define ISSI_REG_CONFIG 0x00
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#define ISSI_REG_CONFIG_PICTUREMODE 0x00
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#define ISSI_REG_CONFIG_AUTOPLAYMODE 0x08
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#define ISSI_REG_CONFIG_AUDIOPLAYMODE 0x18
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#define ISSI_CONF_PICTUREMODE 0x00
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#define ISSI_CONF_AUTOFRAMEMODE 0x04
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#define ISSI_CONF_AUDIOMODE 0x08
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#define ISSI_REG_PICTUREFRAME 0x01
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#define ISSI_REG_SHUTDOWN 0x0A
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#define ISSI_REG_AUDIOSYNC 0x06
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#define ISSI_COMMANDREGISTER 0xFD
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#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
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// Transfer buffer for TWITransmitData()
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uint8_t g_twi_transfer_buffer[TXMAXBUFLEN];
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// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
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// Storing them like this is optimal for I2C transfers to the registers.
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// We could optimize this and take out the unused registers from these
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// buffers and the transfers in IS31FL3731_write_pwm_buffer() but it's
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// probably not worth the extra complexity.
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uint8_t g_pwm_buffer[DRIVER_COUNT][144];
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bool g_pwm_buffer_update_required = false;
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uint8_t g_led_control_registers[DRIVER_COUNT][18] = { { 0 }, { 0 } };
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bool g_led_control_registers_update_required = false;
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typedef struct
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{
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uint8_t red_register;
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uint8_t red_bit;
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uint8_t green_register;
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uint8_t green_bit;
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uint8_t blue_register;
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uint8_t blue_bit;
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} led_control_bitmask;
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// This is the bit pattern in the LED control registers
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// (for matrix A, add one to register for matrix B)
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//
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// reg - b7 b6 b5 b4 b3 b2 b1 b0
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// 0x00 - R08,R07,R06,R05,R04,R03,R02,R01
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// 0x02 - G08,G07,G06,G05,G04,G03,G02,R00
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// 0x04 - B08,B07,B06,B05,B04,B03,G01,G00
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// 0x06 - - , - , - , - , - ,B02,B01,B00
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// 0x08 - - , - , - , - , - , - , - , -
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// 0x0A - B17,B16,B15, - , - , - , - , -
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// 0x0C - G17,G16,B14,B13,B12,B11,B10,B09
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// 0x0E - R17,G15,G14,G13,G12,G11,G10,G09
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// 0x10 - R16,R15,R14,R13,R12,R11,R10,R09
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const led_control_bitmask g_led_control_bitmask[18] =
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{
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{ 0x02, 0, 0x04, 0, 0x06, 0 }, // R00,G00,B00
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{ 0x00, 0, 0x04, 1, 0x06, 1 }, // R01,G01,B01
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{ 0x00, 1, 0x02, 1, 0x06, 2 }, // R02,G02,B02
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{ 0x00, 2, 0x02, 2, 0x04, 2 }, // R03,G03,B03
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{ 0x00, 3, 0x02, 3, 0x04, 3 }, // R04,G04,B04
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{ 0x00, 4, 0x02, 4, 0x04, 4 }, // R05,G05,B05
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{ 0x00, 5, 0x02, 5, 0x04, 5 }, // R06,G06,B06
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{ 0x00, 6, 0x02, 6, 0x04, 6 }, // R07,G07,B07
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{ 0x00, 7, 0x02, 7, 0x04, 7 }, // R08,G08,B08
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{ 0x10, 0, 0x0E, 0, 0x0C, 0 }, // R09,G09,B09
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{ 0x10, 1, 0x0E, 1, 0x0C, 1 }, // R10,G10,B10
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{ 0x10, 2, 0x0E, 2, 0x0C, 2 }, // R11,G11,B11
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{ 0x10, 3, 0x0E, 3, 0x0C, 3 }, // R12,G12,B12
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{ 0x10, 4, 0x0E, 4, 0x0C, 4 }, // R13,G13,B13
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{ 0x10, 5, 0x0E, 5, 0x0C, 5 }, // R14,G14,B14
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{ 0x10, 6, 0x0E, 6, 0x0A, 5 }, // R15,G15,B15
|
||||
{ 0x10, 7, 0x0C, 6, 0x0A, 6 }, // R16,G16,B16
|
||||
{ 0x0E, 7, 0x0C, 7, 0x0A, 7 }, // R17,G17,B17
|
||||
};
|
||||
|
||||
const uint8_t g_map_control_index_to_register[2][18][3] PROGMEM = {
|
||||
{
|
||||
{0x34, 0x44, 0x54}, // 00
|
||||
{0x24, 0x45, 0x55}, // 01
|
||||
{0x25, 0x35, 0x56}, // 02
|
||||
{0x26, 0x36, 0x46}, // 03
|
||||
{0x27, 0x37, 0x47}, // 04
|
||||
{0x28, 0x38, 0x48}, // 05
|
||||
{0x29, 0x39, 0x49}, // 06
|
||||
{0x2a, 0x3a, 0x4a}, // 07
|
||||
{0x2b, 0x3b, 0x4b}, // 08
|
||||
|
||||
{0xa4, 0x94, 0x84}, // 09
|
||||
{0xa5, 0x95, 0x85}, // 10
|
||||
{0xa6, 0x96, 0x86}, // 11
|
||||
{0xa7, 0x97, 0x87}, // 12
|
||||
{0xa8, 0x98, 0x88}, // 13
|
||||
{0xa9, 0x99, 0x89}, // 14
|
||||
{0xaa, 0x9a, 0x79}, // 15
|
||||
{0xab, 0x8a, 0x7a}, // 16
|
||||
{0x9b, 0x8b, 0x7b} // 17
|
||||
}, {
|
||||
{0x34 + 8, 0x44 + 8, 0x54 + 8}, // 00
|
||||
{0x24 + 8, 0x45 + 8, 0x55 + 8}, // 01
|
||||
{0x25 + 8, 0x35 + 8, 0x56 + 8}, // 02
|
||||
{0x26 + 8, 0x36 + 8, 0x46 + 8}, // 03
|
||||
{0x27 + 8, 0x37 + 8, 0x47 + 8}, // 04
|
||||
{0x28 + 8, 0x38 + 8, 0x48 + 8}, // 05
|
||||
{0x29 + 8, 0x39 + 8, 0x49 + 8}, // 06
|
||||
{0x2a + 8, 0x3a + 8, 0x4a + 8}, // 07
|
||||
{0x2b + 8, 0x3b + 8, 0x4b + 8}, // 08
|
||||
|
||||
{0xa4 + 8, 0x94 + 8, 0x84 + 8}, // 09
|
||||
{0xa5 + 8, 0x95 + 8, 0x85 + 8}, // 10
|
||||
{0xa6 + 8, 0x96 + 8, 0x86 + 8}, // 11
|
||||
{0xa7 + 8, 0x97 + 8, 0x87 + 8}, // 12
|
||||
{0xa8 + 8, 0x98 + 8, 0x88 + 8}, // 13
|
||||
{0xa9 + 8, 0x99 + 8, 0x89 + 8}, // 14
|
||||
{0xaa + 8, 0x9a + 8, 0x79 + 8}, // 15
|
||||
{0xab + 8, 0x8a + 8, 0x7a + 8}, // 16
|
||||
{0x9b + 8, 0x8b + 8, 0x7b + 8} // 17
|
||||
}};
|
||||
|
||||
void IS31FL3731_write_register( uint8_t addr, uint8_t reg, uint8_t data )
|
||||
{
|
||||
g_twi_transfer_buffer[0] = (addr << 1) | 0x00;
|
||||
g_twi_transfer_buffer[1] = reg;
|
||||
g_twi_transfer_buffer[2] = data;
|
||||
|
||||
// Set the error code to have no relevant information
|
||||
TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
|
||||
// Continuously attempt to transmit data until a successful transmission occurs
|
||||
//while ( TWIInfo.errorCode != 0xFF )
|
||||
//{
|
||||
TWITransmitData( g_twi_transfer_buffer, 3, 0 );
|
||||
//}
|
||||
}
|
||||
|
||||
void IS31FL3731_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer )
|
||||
{
|
||||
// assumes bank is already selected
|
||||
|
||||
// transmit PWM registers in 9 transfers of 16 bytes
|
||||
// g_twi_transfer_buffer[] is 20 bytes
|
||||
|
||||
// set the I2C address
|
||||
g_twi_transfer_buffer[0] = (addr << 1) | 0x00;
|
||||
|
||||
// iterate over the pwm_buffer contents at 16 byte intervals
|
||||
for ( int i = 0; i < 144; i += 16 )
|
||||
{
|
||||
// set the first register, e.g. 0x24, 0x34, 0x44, etc.
|
||||
g_twi_transfer_buffer[1] = 0x24 + i;
|
||||
// copy the data from i to i+15
|
||||
// device will auto-increment register for data after the first byte
|
||||
// thus this sets registers 0x24-0x33, 0x34-0x43, etc. in one transfer
|
||||
for ( int j = 0; j < 16; j++ )
|
||||
{
|
||||
g_twi_transfer_buffer[2 + j] = pwm_buffer[i + j];
|
||||
}
|
||||
|
||||
// Set the error code to have no relevant information
|
||||
TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
|
||||
// Continuously attempt to transmit data until a successful transmission occurs
|
||||
while ( TWIInfo.errorCode != 0xFF )
|
||||
{
|
||||
TWITransmitData( g_twi_transfer_buffer, 16 + 2, 0 );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void IS31FL3731_init( uint8_t addr )
|
||||
{
|
||||
// In order to avoid the LEDs being driven with garbage data
|
||||
// in the LED driver's PWM registers, first enable software shutdown,
|
||||
// then set up the mode and other settings, clear the PWM registers,
|
||||
// then disable software shutdown.
|
||||
|
||||
// select "function register" bank
|
||||
IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG );
|
||||
|
||||
// enable software shutdown
|
||||
IS31FL3731_write_register( addr, ISSI_REG_SHUTDOWN, 0x00 );
|
||||
// this delay was copied from other drivers, might not be needed
|
||||
_delay_ms( 10 );
|
||||
|
||||
// picture mode
|
||||
IS31FL3731_write_register( addr, ISSI_REG_CONFIG, ISSI_REG_CONFIG_PICTUREMODE );
|
||||
// display frame 0
|
||||
IS31FL3731_write_register( addr, ISSI_REG_PICTUREFRAME, 0x00 );
|
||||
// audio sync off
|
||||
IS31FL3731_write_register( addr, ISSI_REG_AUDIOSYNC, 0x00 );
|
||||
|
||||
// select bank 0
|
||||
IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, 0 );
|
||||
|
||||
// turn off all LEDs in the LED control register
|
||||
for ( int i = 0x00; i <= 0x11; i++ )
|
||||
{
|
||||
IS31FL3731_write_register( addr, i, 0x00 );
|
||||
}
|
||||
|
||||
// turn off all LEDs in the blink control register (not really needed)
|
||||
for ( int i = 0x12; i <= 0x23; i++ )
|
||||
{
|
||||
IS31FL3731_write_register( addr, i, 0x00 );
|
||||
}
|
||||
|
||||
// set PWM on all LEDs to 0
|
||||
for ( int i = 0x24; i <= 0xB3; i++ )
|
||||
{
|
||||
IS31FL3731_write_register( addr, i, 0x00 );
|
||||
}
|
||||
|
||||
// select "function register" bank
|
||||
IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, ISSI_BANK_FUNCTIONREG );
|
||||
|
||||
// disable software shutdown
|
||||
IS31FL3731_write_register( addr, ISSI_REG_SHUTDOWN, 0x01 );
|
||||
|
||||
// select bank 0 and leave it selected.
|
||||
// most usage after initialization is just writing PWM buffers in bank 0
|
||||
// as there's not much point in double-buffering
|
||||
IS31FL3731_write_register( addr, ISSI_COMMANDREGISTER, 0 );
|
||||
}
|
||||
|
||||
|
||||
void map_index_to_led( uint8_t index, is31_led *led ) {
|
||||
//led = , sizeof(struct is31_led));
|
||||
// led->driver = addr->driver;
|
||||
// led->matrix = addr->matrix;
|
||||
// led->modifier = addr->modifier;
|
||||
// led->control_index = addr->control_index;
|
||||
// led->matrix_co.raw = addr->matrix_co.raw;
|
||||
// led->driver = (pgm_read_byte(addr) >> 6) && 0b11;
|
||||
// led->matrix = (pgm_read_byte(addr) >> 4) && 0b1;
|
||||
// led->modifier = (pgm_read_byte(addr) >> 3) && 0b1;
|
||||
// led->control_index = pgm_read_byte(addr+1);
|
||||
// led->matrix_co.raw = pgm_read_byte(addr+2);
|
||||
}
|
||||
|
||||
void IS31FL3731_set_color( int index, uint8_t red, uint8_t green, uint8_t blue )
|
||||
{
|
||||
if ( index >= 0 && index < DRIVER_LED_TOTAL )
|
||||
{
|
||||
is31_led led = g_is31_leds[index];
|
||||
//map_index_to_led(index, &led);
|
||||
|
||||
// Subtract 0x24 to get the second index of g_pwm_buffer
|
||||
g_pwm_buffer[led.driver][ pgm_read_byte(&g_map_control_index_to_register[led.matrix][led.control_index][0]) - 0x24] = red;
|
||||
g_pwm_buffer[led.driver][ pgm_read_byte(&g_map_control_index_to_register[led.matrix][led.control_index][1]) - 0x24] = green;
|
||||
g_pwm_buffer[led.driver][ pgm_read_byte(&g_map_control_index_to_register[led.matrix][led.control_index][2]) - 0x24] = blue;
|
||||
g_pwm_buffer_update_required = true;
|
||||
}
|
||||
}
|
||||
|
||||
void IS31FL3731_set_color_all( uint8_t red, uint8_t green, uint8_t blue )
|
||||
{
|
||||
for ( int i = 0; i < DRIVER_LED_TOTAL; i++ )
|
||||
{
|
||||
IS31FL3731_set_color( i, red, green, blue );
|
||||
}
|
||||
}
|
||||
|
||||
void IS31FL3731_set_led_control_register( uint8_t index, bool red, bool green, bool blue )
|
||||
{
|
||||
is31_led led = g_is31_leds[index];
|
||||
// map_index_to_led(index, &led);
|
||||
|
||||
led_control_bitmask bitmask = g_led_control_bitmask[led.control_index];
|
||||
|
||||
// Matrix A and B registers are interleaved.
|
||||
// Add 1 to Matrix A register to get Matrix B register
|
||||
if ( red )
|
||||
{
|
||||
g_led_control_registers[led.driver][bitmask.red_register+led.matrix] |= (1<<bitmask.red_bit);
|
||||
}
|
||||
else
|
||||
{
|
||||
g_led_control_registers[led.driver][bitmask.red_register+led.matrix] &= ~(1<<bitmask.red_bit);
|
||||
}
|
||||
if ( green )
|
||||
{
|
||||
g_led_control_registers[led.driver][bitmask.green_register+led.matrix] |= (1<<bitmask.green_bit);
|
||||
}
|
||||
else
|
||||
{
|
||||
g_led_control_registers[led.driver][bitmask.green_register+led.matrix] &= ~(1<<bitmask.green_bit);
|
||||
}
|
||||
if ( blue )
|
||||
{
|
||||
g_led_control_registers[led.driver][bitmask.blue_register+led.matrix] |= (1<<bitmask.blue_bit);
|
||||
}
|
||||
else
|
||||
{
|
||||
g_led_control_registers[led.driver][bitmask.blue_register+led.matrix] &= ~(1<<bitmask.blue_bit);
|
||||
}
|
||||
|
||||
g_led_control_registers_update_required = true;
|
||||
|
||||
|
||||
}
|
||||
|
||||
void IS31FL3731_update_pwm_buffers( uint8_t addr1, uint8_t addr2 )
|
||||
{
|
||||
if ( g_pwm_buffer_update_required )
|
||||
{
|
||||
IS31FL3731_write_pwm_buffer( addr1, g_pwm_buffer[0] );
|
||||
IS31FL3731_write_pwm_buffer( addr2, g_pwm_buffer[1] );
|
||||
}
|
||||
g_pwm_buffer_update_required = false;
|
||||
}
|
||||
|
||||
void IS31FL3731_update_led_control_registers( uint8_t addr1, uint8_t addr2 )
|
||||
{
|
||||
if ( g_led_control_registers_update_required )
|
||||
{
|
||||
for ( int i=0; i<18; i++ )
|
||||
{
|
||||
IS31FL3731_write_register(addr1, i, g_led_control_registers[0][i] );
|
||||
IS31FL3731_write_register(addr2, i, g_led_control_registers[1][i] );
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,64 @@
|
||||
/* Copyright 2017 Jason Williams
|
||||
*
|
||||
* 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 IS31FL3731_DRIVER_H
|
||||
#define IS31FL3731_DRIVER_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
typedef struct Point {
|
||||
uint8_t x;
|
||||
uint8_t y;
|
||||
} __attribute__((packed)) Point;
|
||||
|
||||
typedef struct is31_led {
|
||||
uint8_t driver:2;
|
||||
uint8_t matrix:1;
|
||||
uint8_t modifier:1;
|
||||
uint8_t control_index;
|
||||
union {
|
||||
uint8_t raw;
|
||||
struct {
|
||||
uint8_t row:4; // 16 max
|
||||
uint8_t col:4; // 16 max
|
||||
};
|
||||
} matrix_co;
|
||||
Point point;
|
||||
} __attribute__((packed)) is31_led;
|
||||
|
||||
extern const is31_led g_is31_leds[DRIVER_LED_TOTAL];
|
||||
|
||||
void map_index_to_led( uint8_t index, is31_led *led );
|
||||
|
||||
void IS31FL3731_init( uint8_t addr );
|
||||
void IS31FL3731_write_register( uint8_t addr, uint8_t reg, uint8_t data );
|
||||
void IS31FL3731_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer );
|
||||
|
||||
void IS31FL3731_set_color( int index, uint8_t red, uint8_t green, uint8_t blue );
|
||||
void IS31FL3731_set_color_all( uint8_t red, uint8_t green, uint8_t blue );
|
||||
|
||||
void IS31FL3731_set_led_control_register( uint8_t index, bool red, bool green, bool blue );
|
||||
|
||||
// This should not be called from an interrupt
|
||||
// (eg. from a timer interrupt).
|
||||
// Call this while idle (in between matrix scans).
|
||||
// If the buffer is dirty, it will update the driver with the buffer.
|
||||
void IS31FL3731_update_pwm_buffers( uint8_t addr1, uint8_t addr2 );
|
||||
void IS31FL3731_update_led_control_registers( uint8_t addr1, uint8_t addr2 );
|
||||
|
||||
#endif // IS31FL3731_DRIVER_H
|
||||
@ -0,0 +1,87 @@
|
||||
/* Copyright 2017 Jason Williams
|
||||
*
|
||||
* 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 "color.h"
|
||||
#include "led_tables.h"
|
||||
#include "progmem.h"
|
||||
|
||||
RGB hsv_to_rgb( HSV hsv )
|
||||
{
|
||||
RGB rgb;
|
||||
uint8_t region, p, q, t;
|
||||
uint16_t h, s, v, remainder;
|
||||
|
||||
if ( hsv.s == 0 )
|
||||
{
|
||||
rgb.r = hsv.v;
|
||||
rgb.g = hsv.v;
|
||||
rgb.b = hsv.v;
|
||||
return rgb;
|
||||
}
|
||||
|
||||
h = hsv.h;
|
||||
s = hsv.s;
|
||||
v = hsv.v;
|
||||
|
||||
region = h / 43;
|
||||
remainder = (h - (region * 43)) * 6;
|
||||
|
||||
p = (v * (255 - s)) >> 8;
|
||||
q = (v * (255 - ((s * remainder) >> 8))) >> 8;
|
||||
t = (v * (255 - ((s * (255 - remainder)) >> 8))) >> 8;
|
||||
|
||||
switch ( region )
|
||||
{
|
||||
case 0:
|
||||
rgb.r = v;
|
||||
rgb.g = t;
|
||||
rgb.b = p;
|
||||
break;
|
||||
case 1:
|
||||
rgb.r = q;
|
||||
rgb.g = v;
|
||||
rgb.b = p;
|
||||
break;
|
||||
case 2:
|
||||
rgb.r = p;
|
||||
rgb.g = v;
|
||||
rgb.b = t;
|
||||
break;
|
||||
case 3:
|
||||
rgb.r = p;
|
||||
rgb.g = q;
|
||||
rgb.b = v;
|
||||
break;
|
||||
case 4:
|
||||
rgb.r = t;
|
||||
rgb.g = p;
|
||||
rgb.b = v;
|
||||
break;
|
||||
default:
|
||||
rgb.r = v;
|
||||
rgb.g = p;
|
||||
rgb.b = q;
|
||||
break;
|
||||
}
|
||||
|
||||
rgb.r = pgm_read_byte( &CIE1931_CURVE[rgb.r] );
|
||||
rgb.g = pgm_read_byte( &CIE1931_CURVE[rgb.g] );
|
||||
rgb.b = pgm_read_byte( &CIE1931_CURVE[rgb.b] );
|
||||
|
||||
return rgb;
|
||||
}
|
||||
|
||||
@ -0,0 +1,55 @@
|
||||
/* Copyright 2017 Jason Williams
|
||||
*
|
||||
* 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 COLOR_H
|
||||
#define COLOR_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
|
||||
|
||||
#if defined(__GNUC__)
|
||||
#define PACKED __attribute__ ((__packed__))
|
||||
#else
|
||||
#define PACKED
|
||||
#endif
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
#pragma pack( push, 1 )
|
||||
#endif
|
||||
|
||||
typedef struct PACKED
|
||||
{
|
||||
uint8_t r;
|
||||
uint8_t g;
|
||||
uint8_t b;
|
||||
} RGB;
|
||||
|
||||
typedef struct PACKED
|
||||
{
|
||||
uint8_t h;
|
||||
uint8_t s;
|
||||
uint8_t v;
|
||||
} HSV;
|
||||
|
||||
#if defined(_MSC_VER)
|
||||
#pragma pack( pop )
|
||||
#endif
|
||||
|
||||
RGB hsv_to_rgb( HSV hsv );
|
||||
|
||||
#endif // COLOR_H
|
||||
@ -0,0 +1,44 @@
|
||||
/* Copyright 2017 Jack Humbert
|
||||
*
|
||||
* 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 RGB_H
|
||||
#define RGB_H
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_toggle(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_step(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_increase_hue(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_decrease_hue(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_increase_sat(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_decrease_sat(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_increase_val(void) {};
|
||||
|
||||
__attribute__((weak))
|
||||
void rgblight_decrease_val(void) {};
|
||||
|
||||
#endif
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,122 @@
|
||||
/* Copyright 2017 Jason Williams
|
||||
* Copyright 2017 Jack Humbert
|
||||
*
|
||||
* 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 RGB_MATRIX_H
|
||||
#define RGB_MATRIX_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include "color.h"
|
||||
#include "is31fl3731.h"
|
||||
#include "quantum.h"
|
||||
|
||||
typedef struct
|
||||
{
|
||||
HSV color;
|
||||
uint8_t index;
|
||||
} zeal_indicator;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
bool enabled:1; // |
|
||||
bool use_split_left_shift:1; // |
|
||||
bool use_split_right_shift:1; // |
|
||||
bool use_7u_spacebar:1; // |
|
||||
bool use_iso_enter:1; // |
|
||||
bool disable_when_usb_suspended:1; // |
|
||||
bool __pad6:1; // |
|
||||
bool __pad7:1; // 1 byte
|
||||
uint8_t disable_after_timeout; // 1 byte
|
||||
uint8_t brightness; // 1 byte
|
||||
uint8_t effect; // 1 byte
|
||||
HSV color_1; // 3 bytes
|
||||
HSV color_2; // 3 bytes
|
||||
zeal_indicator caps_lock_indicator; // 4 bytes
|
||||
zeal_indicator layer_1_indicator; // 4 bytes
|
||||
zeal_indicator layer_2_indicator; // 4 bytes
|
||||
zeal_indicator layer_3_indicator; // 4 bytes
|
||||
uint16_t alphas_mods[5]; // 10 bytes
|
||||
} rgb_matrix_config; // = 36 bytes
|
||||
|
||||
#define EEPROM_BACKLIGHT_CONFIG_ADDR ((void*)35)
|
||||
// rgb_matrix_config uses 36 bytes
|
||||
// 35+36=71
|
||||
#define EEPROM_BACKLIGHT_KEY_COLOR_ADDR ((void*)71)
|
||||
|
||||
|
||||
void backlight_effect_single_LED_test(void);
|
||||
|
||||
void backlight_config_set_alphas_mods( uint16_t *value );
|
||||
void backlight_config_load(void);
|
||||
void backlight_config_save(void);
|
||||
|
||||
void backlight_init_drivers(void);
|
||||
|
||||
void backlight_timer_init(void);
|
||||
void backlight_timer_enable(void);
|
||||
void backlight_timer_disable(void);
|
||||
|
||||
void backlight_set_suspend_state(bool state);
|
||||
void backlight_set_indicator_state(uint8_t state);
|
||||
|
||||
|
||||
void backlight_rgb_task(void);
|
||||
|
||||
// This should not be called from an interrupt
|
||||
// (eg. from a timer interrupt).
|
||||
// Call this while idle (in between matrix scans).
|
||||
// If the buffer is dirty, it will update the driver with the buffer.
|
||||
void backlight_update_pwm_buffers(void);
|
||||
|
||||
void backlight_set_key_hit(uint8_t row, uint8_t col);
|
||||
void backlight_unset_key_hit(uint8_t row, uint8_t col);
|
||||
|
||||
void backlight_effect_increase(void);
|
||||
void backlight_effect_decrease(void);
|
||||
|
||||
void backlight_brightness_increase(void);
|
||||
void backlight_brightness_decrease(void);
|
||||
|
||||
void backlight_color_1_hue_increase(void);
|
||||
void backlight_color_1_hue_decrease(void);
|
||||
void backlight_color_1_sat_increase(void);
|
||||
void backlight_color_1_sat_decrease(void);
|
||||
void backlight_color_2_hue_increase(void);
|
||||
void backlight_color_2_hue_decrease(void);
|
||||
void backlight_color_2_sat_increase(void);
|
||||
void backlight_color_2_sat_decrease(void);
|
||||
|
||||
void *backlight_get_key_color_eeprom_address(uint8_t led);
|
||||
void backlight_get_key_color( uint8_t led, HSV *hsv );
|
||||
void backlight_set_key_color( uint8_t row, uint8_t column, HSV hsv );
|
||||
|
||||
void backlight_test_led( uint8_t index, bool red, bool green, bool blue );
|
||||
uint32_t backlight_get_tick(void);
|
||||
void backlight_debug_led(bool state);
|
||||
|
||||
void rgblight_toggle(void);
|
||||
void rgblight_step(void);
|
||||
void rgblight_increase_hue(void);
|
||||
void rgblight_decrease_hue(void);
|
||||
void rgblight_increase_sat(void);
|
||||
void rgblight_decrease_sat(void);
|
||||
void rgblight_increase_val(void);
|
||||
void rgblight_decrease_val(void);
|
||||
void rgblight_mode(uint8_t mode);
|
||||
uint32_t rgblight_get_mode(void);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue