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253 lines
6.8 KiB
253 lines
6.8 KiB
#include <string.h>
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#include <stddef.h>
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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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#ifdef ENCODER_ENABLE
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# include "encoder.h"
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#endif
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#if defined(USE_I2C) || defined(EH)
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# include "i2c_master.h"
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# include "i2c_slave.h"
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typedef struct _I2C_slave_buffer_t {
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matrix_row_t smatrix[ROWS_PER_HAND];
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uint8_t backlight_level;
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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rgblight_syncinfo_t rgblight_sync;
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#endif
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#ifdef ENCODER_ENABLE
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uint8_t encoder_state[NUMBER_OF_ENCODERS];
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#endif
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} I2C_slave_buffer_t;
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static I2C_slave_buffer_t * const i2c_buffer = (I2C_slave_buffer_t *)i2c_slave_reg;
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# define I2C_BACKLIGHT_START offsetof(I2C_slave_buffer_t, backlight_level)
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# define I2C_RGB_START offsetof(I2C_slave_buffer_t, rgblight_sync)
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# define I2C_KEYMAP_START offsetof(I2C_slave_buffer_t, smatrix)
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# define I2C_ENCODER_START offsetof(I2C_slave_buffer_t, encoder_state)
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# define TIMEOUT 100
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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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// Get rows from other half over i2c
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bool transport_master(matrix_row_t matrix[]) {
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i2c_readReg(SLAVE_I2C_ADDRESS, I2C_KEYMAP_START, (void *)matrix, sizeof(i2c_buffer->smatrix), TIMEOUT);
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// write backlight info
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# ifdef BACKLIGHT_ENABLE
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uint8_t level = get_backlight_level();
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if (level != i2c_buffer->backlight_level) {
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if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_BACKLIGHT_START, (void *)&level, sizeof(level), TIMEOUT) >= 0) {
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i2c_buffer->backlight_level = level;
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}
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}
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# endif
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# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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if (rgblight_get_change_flags()) {
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rgblight_syncinfo_t rgblight_sync;
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rgblight_get_syncinfo(&rgblight_sync);
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if (i2c_writeReg(SLAVE_I2C_ADDRESS, I2C_RGB_START,
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(void *)&rgblight_sync, sizeof(rgblight_sync), TIMEOUT) >= 0) {
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rgblight_clear_change_flags();
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}
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}
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# endif
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# ifdef ENCODER_ENABLE
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i2c_readReg(SLAVE_I2C_ADDRESS, I2C_ENCODER_START, (void *)i2c_buffer->encoder_state, sizeof(I2C_slave_buffer_t.encoder_state), TIMEOUT);
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encoder_update_raw(i2c_buffer->encoder_state);
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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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// Copy matrix to I2C buffer
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memcpy((void*)i2c_buffer->smatrix, (void *)matrix, sizeof(i2c_buffer->smatrix));
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// Read Backlight Info
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# ifdef BACKLIGHT_ENABLE
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backlight_set(i2c_buffer->backlight_level);
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# endif
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# if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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// Update the RGB with the new data
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if (i2c_buffer->rgblight_sync.status.change_flags != 0) {
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rgblight_update_sync(&i2c_buffer->rgblight_sync, false);
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i2c_buffer->rgblight_sync.status.change_flags = 0;
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}
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# endif
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# ifdef ENCODER_ENABLE
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encoder_state_raw(i2c_buffer->encoder_state);
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# endif
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}
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void transport_master_init(void) { i2c_init(); }
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void transport_slave_init(void) { i2c_slave_init(SLAVE_I2C_ADDRESS); }
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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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# ifdef ENCODER_ENABLE
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uint8_t encoder_state[NUMBER_OF_ENCODERS];
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# endif
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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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} Serial_m2s_buffer_t;
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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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
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// information. In that case, define RGBLIGHT_SPLIT with info on the number
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// of LEDs on each half.
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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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typedef struct _Serial_rgblight_t {
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rgblight_syncinfo_t rgblight_sync;
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} Serial_rgblight_t;
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volatile Serial_rgblight_t serial_rgblight = {};
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uint8_t volatile status_rgblight = 0;
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#endif
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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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enum serial_transaction_id {
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GET_SLAVE_MATRIX = 0,
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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PUT_RGBLIGHT,
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#endif
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};
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SSTD_t transactions[] = {
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[GET_SLAVE_MATRIX] = {
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(uint8_t *)&status0,
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sizeof(serial_m2s_buffer),
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(uint8_t *)&serial_m2s_buffer,
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sizeof(serial_s2m_buffer),
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(uint8_t *)&serial_s2m_buffer,
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},
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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[PUT_RGBLIGHT] = {
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(uint8_t *)&status_rgblight,
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sizeof(serial_rgblight),
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(uint8_t *)&serial_rgblight,
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0, NULL // no slave to master transfer
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},
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#endif
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};
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void transport_master_init(void) { soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); }
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void transport_slave_init(void) { soft_serial_target_init(transactions, TID_LIMIT(transactions)); }
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
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// rgblight synchronization information communication.
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void transport_rgblight_master(void) {
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if (rgblight_get_change_flags()) {
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rgblight_get_syncinfo((rgblight_syncinfo_t *)&serial_rgblight.rgblight_sync);
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if (soft_serial_transaction(PUT_RGBLIGHT) == TRANSACTION_END) {
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rgblight_clear_change_flags();
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}
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}
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}
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void transport_rgblight_slave(void) {
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if (status_rgblight == TRANSACTION_ACCEPTED) {
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rgblight_update_sync((rgblight_syncinfo_t *)&serial_rgblight.rgblight_sync,
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false);
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status_rgblight = TRANSACTION_END;
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}
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}
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#else
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#define transport_rgblight_master()
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#define transport_rgblight_slave()
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#endif
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bool transport_master(matrix_row_t matrix[]) {
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#ifndef SERIAL_USE_MULTI_TRANSACTION
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if (soft_serial_transaction() != TRANSACTION_END) {
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return false;
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}
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#else
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transport_rgblight_master();
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if (soft_serial_transaction(GET_SLAVE_MATRIX) != TRANSACTION_END) {
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return false;
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}
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#endif
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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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# 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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# ifdef ENCODER_ENABLE
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encoder_update_raw((uint8_t *)serial_s2m_buffer.encoder_state);
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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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transport_rgblight_slave();
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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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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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# ifdef ENCODER_ENABLE
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encoder_state_raw((uint8_t *)serial_s2m_buffer.encoder_state);
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# endif
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}
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#endif
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