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Iris send backlight info over i2c

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Joe DeVivo 2017-12-29 09:09:54 -07:00 committed by Jack Humbert
parent 7d8a20b07f
commit ac642de9d7
1 changed files with 14 additions and 1 deletions
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15
keyboards/iris/matrix.c
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@ -208,6 +208,15 @@ int i2c_transaction(void) {
err = i2c_master_write(0x00); err = i2c_master_write(0x00);
if (err) goto i2c_error; if (err) goto i2c_error;
#ifdef BACKLIGHT_ENABLE
// Write backlight level for slave to read
err = i2c_master_write(get_backlight_level());
#else
// Write zero, so our byte index is the same
err = i2c_master_write(0x00);
#endif
if (err) goto i2c_error;
// Start read // Start read
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
if (err) goto i2c_error; if (err) goto i2c_error;
@ -285,8 +294,12 @@ void matrix_slave_scan(void) {
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
#ifdef USE_I2C #ifdef USE_I2C
#ifdef BACKLIGHT_ENABLE
// Read backlight level sent from master and update level on slave
backlight_set(i2c_slave_buffer[0]);
#endif
for (int i = 0; i < ROWS_PER_HAND; ++i) { for (int i = 0; i < ROWS_PER_HAND; ++i) {
i2c_slave_buffer[i] = matrix[offset+i]; i2c_slave_buffer[i+1] = matrix[offset+i];
} }
#else // USE_SERIAL #else // USE_SERIAL
for (int i = 0; i < ROWS_PER_HAND; ++i) { for (int i = 0; i < ROWS_PER_HAND; ++i) {