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#include "transport.h"
#include "config.h"
#include "matrix.h"
#include "quantum.h"
#include "orbit.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.h"
#ifndef SLAVE_I2C_ADDRESS
# define SLAVE_I2C_ADDRESS 0x32
#endif
#if (MATRIX_COLS > 8)
# error "Currently only supports 8 COLS"
#endif
// Get rows from other half over i2c
bool transport_master(matrix_row_t matrix[]) {
int err = 0;
// write backlight info
#ifdef BACKLIGHT_ENABLE
if (BACKLIT_DIRTY) {
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
if (err) { goto i2c_error; }
// Backlight location
err = i2c_master_write(I2C_BACKLIT_START);
if (err) { goto i2c_error; }
// Write backlight
i2c_master_write(get_backlight_level());
BACKLIT_DIRTY = false;
}
#endif
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
if (err) { goto i2c_error; }
// start of matrix stored at I2C_KEYMAP_START
err = i2c_master_write(I2C_KEYMAP_START);
if (err) { goto i2c_error; }
// Start read
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
if (err) { goto i2c_error; }
if (!err) {
int i;
for (i = 0; i < ROWS_PER_HAND-1; ++i) {
matrix[i] = i2c_master_read(I2C_ACK);
}
matrix[i] = i2c_master_read(I2C_NACK);
i2c_master_stop();
} else {
i2c_error: // the cable is disconnceted, or something else went wrong
i2c_reset_state();
return false;
}
#ifdef RGBLIGHT_ENABLE
if (RGB_DIRTY) {
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
if (err) { goto i2c_error; }
// RGB Location
err = i2c_master_write(I2C_RGB_START);
if (err) { goto i2c_error; }
uint32_t dword = eeconfig_read_rgblight();
// Write RGB
err = i2c_master_write_data(&dword, 4);
if (err) { goto i2c_error; }
RGB_DIRTY = false;
i2c_master_stop();
}
#endif
return true;
}
void transport_slave(matrix_row_t matrix[]) {
for (int i = 0; i < ROWS_PER_HAND; ++i)
{
i2c_slave_buffer[I2C_KEYMAP_START + i] = matrix[i];
}
// Read Backlight Info
#ifdef BACKLIGHT_ENABLE
if (BACKLIT_DIRTY)
{
backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]);
BACKLIT_DIRTY = false;
}
#endif
#ifdef RGBLIGHT_ENABLE
if (RGB_DIRTY)
{
// Disable interupts (RGB data is big)
cli();
// Create new DWORD for RGB data
uint32_t dword;
// Fill the new DWORD with the data that was sent over
uint8_t * dword_dat = (uint8_t *)(&dword);
for (int i = 0; i < 4; i++)
{
dword_dat[i] = i2c_slave_buffer[I2C_RGB_START + i];
}
// Update the RGB now with the new data and set RGB_DIRTY to false
rgblight_update_dword(dword);
RGB_DIRTY = false;
// Re-enable interupts now that RGB is set
sei();
}
#endif
}
void transport_master_init(void) {
i2c_master_init();
}
void transport_slave_init(void) {
i2c_slave_init(SLAVE_I2C_ADDRESS);
}
#else // USE_SERIAL
#include "serial.h"
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
}
};
uint8_t slave_layer_cache;
uint8_t slave_nlock_cache;
uint8_t slave_clock_cache;
uint8_t slave_slock_cache;
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));
slave_layer_cache = 255;
slave_nlock_cache = 255;
slave_clock_cache = 255;
slave_slock_cache = 255;
}
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];
}
#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
// Code to send RGB over serial goes here (not implemented yet)
#endif
#ifdef BACKLIGHT_ENABLE
// Write backlight level for slave to read
serial_m2s_buffer.backlight_level = backlight_config.enable ? backlight_config.level : 0;
#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(RGBLIGHT_SPLIT)
// Add serial implementation for RGB here
#endif
if (slave_layer_cache != serial_m2s_buffer.current_layer) {
slave_layer_cache = serial_m2s_buffer.current_layer;
set_layer_indicators(slave_layer_cache);
}
if (slave_nlock_cache != serial_m2s_buffer.nlock_led) {
slave_nlock_cache = serial_m2s_buffer.nlock_led;
led_toggle(3, slave_nlock_cache);
}
if (slave_clock_cache != serial_m2s_buffer.clock_led) {
slave_clock_cache = serial_m2s_buffer.clock_led;
led_toggle(4, slave_clock_cache);
}
if (slave_slock_cache != serial_m2s_buffer.slock_led) {
slave_slock_cache = serial_m2s_buffer.slock_led;
led_toggle(5, slave_slock_cache);
}
}
#endif
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