Add slave_driver_initializer_t, slaveDriverInitializers, and initialize slaves in a more organized fashion.

right/src/slave_drivers/slave_driver_led_driver.c

@@ -54,6 +54,10 @@ uint8_t setFunctionFrameBuffer[] = {LED_DRIVER_REGISTER_FRAME, LED_DRIVER_FRAME_
 uint8_t setShutdownModeNormalBuffer[] = {LED_DRIVER_REGISTER_SHUTDOWN, SHUTDOWN_MODE_NORMAL};
 uint8_t setFrame1Buffer[] = {LED_DRIVER_REGISTER_FRAME, LED_DRIVER_FRAME_1};
 
+void InitLedSlaveDriver() {
+    SetLeds(0xff);
+}
+
 void UhkSlaveLedDriverHandler(uint8_t ledDriverId) {
     uint8_t *ledDriverState = ledDriverStates + ledDriverId;
     uint8_t ledDriverAddress = ledDriverId ? I2C_ADDRESS_LED_DRIVER_LEFT : I2C_ADDRESS_LED_DRIVER_RIGHT;

right/src/slave_drivers/slave_driver_led_driver.h

@@ -17,6 +17,7 @@
 
 // Functions:
 
+    extern void InitLedSlaveDriver();
     extern void UhkSlaveLedDriverHandler(uint8_t ledDriverId);
     extern void SetLeds(uint8_t ledBrightness);