--- /dev/null
+
+#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.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"
+
+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(RGBLIGHT_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 the RGBLIGHT_SPLIT macro.
+ //
+ // 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];
+ }
+
+ #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
+
+}
+
+#endif
projects / qmk_firmware.git / blobdiff