- // 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[slaveOffset+i] = i2c_master_read(I2C_ACK);
- }
- matrix[slaveOffset+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 err;
- }
-
- #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 0;
+static void select_row(uint8_t row) {
+ setPinOutput(row_pins[row]);
+ writePinLow(row_pins[row]);