161 lines
4.3 KiB
C
161 lines
4.3 KiB
C
#include <string.h>
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#include "config.h"
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#include "matrix.h"
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#include "quantum.h"
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#define ROWS_PER_HAND (MATRIX_ROWS / 2)
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#ifdef RGBLIGHT_ENABLE
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# include "rgblight.h"
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#endif
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#ifdef BACKLIGHT_ENABLE
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# include "backlight.h"
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extern backlight_config_t backlight_config;
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#endif
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#if defined(USE_I2C) || defined(EH)
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# include "i2c_master.h"
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# include "i2c_slave.h"
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# define I2C_BACKLIT_START 0x00
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// Need 4 bytes for RGB (32 bit)
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# define I2C_RGB_START 0x01
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# define I2C_KEYMAP_START 0x05
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# define TIMEOUT 100
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# ifndef SLAVE_I2C_ADDRESS
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# define SLAVE_I2C_ADDRESS 0x32
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# endif
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// Get rows from other half over i2c
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bool transport_master(matrix_row_t matrix[]) {
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i2c_readReg(SLAVE_I2C_ADDRESS, I2C_KEYMAP_START, (void *)matrix, ROWS_PER_HAND * sizeof(matrix_row_t), TIMEOUT);
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// write backlight info
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# ifdef BACKLIGHT_ENABLE
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static uint8_t prev_level = ~0;
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uint8_t level = get_backlight_level();
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if (level != prev_level) {
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if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_BACKLIT_START, (void *)&level, sizeof(level), TIMEOUT) >= 0) {
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prev_level = level;
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}
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}
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# endif
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# ifdef RGBLIGHT_ENABLE
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static uint32_t prev_rgb = ~0;
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uint32_t rgb = rgblight_read_dword();
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if (rgb != prev_rgb) {
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if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_START, (void *)&rgb, sizeof(rgb), TIMEOUT) >= 0) {
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prev_rgb = rgb;
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}
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}
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# endif
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return true;
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}
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void transport_slave(matrix_row_t matrix[]) {
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// Copy matrix to I2C buffer
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memcpy((void*)(i2c_slave_reg + I2C_KEYMAP_START), (void *)matrix, ROWS_PER_HAND * sizeof(matrix_row_t) );
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// Read Backlight Info
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# ifdef BACKLIGHT_ENABLE
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backlight_set(i2c_slave_reg[I2C_BACKLIT_START]);
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# endif
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# ifdef RGBLIGHT_ENABLE
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uint32_t rgb = *(uint32_t *)(i2c_slave_reg + I2C_RGB_START);
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// Update the RGB with the new data
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rgblight_update_dword(rgb);
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# endif
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}
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void transport_master_init(void) { i2c_init(); }
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void transport_slave_init(void) { i2c_slave_init(SLAVE_I2C_ADDRESS); }
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#else // USE_SERIAL
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# include "serial.h"
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typedef struct _Serial_s2m_buffer_t {
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// TODO: if MATRIX_COLS > 8 change to uint8_t packed_matrix[] for pack/unpack
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matrix_row_t smatrix[ROWS_PER_HAND];
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} Serial_s2m_buffer_t;
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typedef struct _Serial_m2s_buffer_t {
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# ifdef BACKLIGHT_ENABLE
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uint8_t backlight_level;
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# endif
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# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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rgblight_config_t rgblight_config; // not yet use
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//
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// When MCUs on both sides drive their respective RGB LED chains,
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// it is necessary to synchronize, so it is necessary to communicate RGB
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// information. In that case, define the RGBLIGHT_SPLIT macro.
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//
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// Otherwise, if the master side MCU drives both sides RGB LED chains,
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// there is no need to communicate.
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# endif
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} Serial_m2s_buffer_t;
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volatile Serial_s2m_buffer_t serial_s2m_buffer = {};
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volatile Serial_m2s_buffer_t serial_m2s_buffer = {};
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uint8_t volatile status0 = 0;
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SSTD_t transactions[] = {
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{
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(uint8_t *)&status0,
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sizeof(serial_m2s_buffer),
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(uint8_t *)&serial_m2s_buffer,
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sizeof(serial_s2m_buffer),
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(uint8_t *)&serial_s2m_buffer,
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},
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};
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void transport_master_init(void) { soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); }
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void transport_slave_init(void) { soft_serial_target_init(transactions, TID_LIMIT(transactions)); }
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bool transport_master(matrix_row_t matrix[]) {
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if (soft_serial_transaction()) {
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return false;
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}
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// TODO: if MATRIX_COLS > 8 change to unpack()
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for (int i = 0; i < ROWS_PER_HAND; ++i) {
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matrix[i] = serial_s2m_buffer.smatrix[i];
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}
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# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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// Code to send RGB over serial goes here (not implemented yet)
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# endif
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# ifdef BACKLIGHT_ENABLE
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// Write backlight level for slave to read
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serial_m2s_buffer.backlight_level = backlight_config.enable ? backlight_config.level : 0;
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# endif
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return true;
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}
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void transport_slave(matrix_row_t matrix[]) {
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// TODO: if MATRIX_COLS > 8 change to pack()
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for (int i = 0; i < ROWS_PER_HAND; ++i) {
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serial_s2m_buffer.smatrix[i] = matrix[i];
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}
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# ifdef BACKLIGHT_ENABLE
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backlight_set(serial_m2s_buffer.backlight_level);
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# endif
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# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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// Add serial implementation for RGB here
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# endif
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}
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#endif
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