mirror of
https://github.com/qmk/qmk_firmware
synced 2024-11-20 04:05:10 +00:00
225 lines
5.2 KiB
C
225 lines
5.2 KiB
C
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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.h"
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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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#if (MATRIX_COLS > 8)
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# error "Currently only supports 8 COLS"
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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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int err = 0;
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// write backlight info
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#ifdef BACKLIGHT_ENABLE
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if (BACKLIT_DIRTY) {
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err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
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if (err) { goto i2c_error; }
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// Backlight location
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err = i2c_master_write(I2C_BACKLIT_START);
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if (err) { goto i2c_error; }
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// Write backlight
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i2c_master_write(get_backlight_level());
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BACKLIT_DIRTY = false;
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}
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#endif
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err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
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if (err) { goto i2c_error; }
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// start of matrix stored at I2C_KEYMAP_START
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err = i2c_master_write(I2C_KEYMAP_START);
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if (err) { goto i2c_error; }
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// Start read
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err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
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if (err) { goto i2c_error; }
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if (!err) {
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int i;
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for (i = 0; i < ROWS_PER_HAND-1; ++i) {
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matrix[i] = i2c_master_read(I2C_ACK);
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}
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matrix[i] = i2c_master_read(I2C_NACK);
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i2c_master_stop();
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} else {
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i2c_error: // the cable is disconnceted, or something else went wrong
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i2c_reset_state();
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return false;
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}
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#ifdef RGBLIGHT_ENABLE
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if (RGB_DIRTY) {
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err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
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if (err) { goto i2c_error; }
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// RGB Location
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err = i2c_master_write(I2C_RGB_START);
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if (err) { goto i2c_error; }
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uint32_t dword = eeconfig_read_rgblight();
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// Write RGB
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err = i2c_master_write_data(&dword, 4);
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if (err) { goto i2c_error; }
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RGB_DIRTY = false;
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i2c_master_stop();
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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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for (int i = 0; i < ROWS_PER_HAND; ++i)
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{
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i2c_slave_buffer[I2C_KEYMAP_START + i] = matrix[i];
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}
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// Read Backlight Info
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#ifdef BACKLIGHT_ENABLE
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if (BACKLIT_DIRTY)
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{
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backlight_set(i2c_slave_buffer[I2C_BACKLIT_START]);
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BACKLIT_DIRTY = false;
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}
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#endif
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#ifdef RGBLIGHT_ENABLE
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if (RGB_DIRTY)
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{
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// Disable interupts (RGB data is big)
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cli();
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// Create new DWORD for RGB data
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uint32_t dword;
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// Fill the new DWORD with the data that was sent over
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uint8_t * dword_dat = (uint8_t *)(&dword);
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for (int i = 0; i < 4; i++)
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{
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dword_dat[i] = i2c_slave_buffer[I2C_RGB_START + i];
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}
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// Update the RGB now with the new data and set RGB_DIRTY to false
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rgblight_update_dword(dword);
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RGB_DIRTY = false;
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// Re-enable interupts now that RGB is set
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sei();
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}
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#endif
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}
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void transport_master_init(void) {
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i2c_master_init();
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}
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void transport_slave_init(void) {
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i2c_slave_init(SLAVE_I2C_ADDRESS);
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}
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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 information.
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// 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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{ (uint8_t *)&status0,
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sizeof(serial_m2s_buffer), (uint8_t *)&serial_m2s_buffer,
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sizeof(serial_s2m_buffer), (uint8_t *)&serial_s2m_buffer
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}
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};
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void transport_master_init(void)
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{ soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); }
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void transport_slave_init(void)
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{ 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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{
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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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