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