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#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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