Files
firmware/left/src/slave_protocol_handler.c
2017-05-29 22:14:11 +02:00

58 lines
1.6 KiB
C

#include "slave_protocol_handler.h"
#include "test_led.h"
#include "main.h"
#include "i2c_addresses.h"
#include "i2c.h"
#include "led_pwm.h"
#include "bridge_protocol.h"
#include "main.h"
#include "init_peripherals.h"
void SetError(uint8_t error);
void SetGenericError(void);
void SetResponseByte(uint8_t response);
void SetError(uint8_t error) {
SlaveTxBuffer[0] = error;
}
void SetGenericError(void)
{
SetError(PROTOCOL_RESPONSE_GENERIC_ERROR);
}
// Set a single byte as the response.
void SetResponseByte(uint8_t response)
{
SlaveTxBuffer[1] = response;
}
void SlaveProtocolHandler(void)
{
uint8_t commandId = SlaveRxBuffer[0];
switch (commandId) {
case SlaveCommand_GetKeyStates:
SlaveTxSize = KEYBOARD_MATRIX_COLS_NUM*KEYBOARD_MATRIX_ROWS_NUM;
memcpy(SlaveTxBuffer, keyMatrix.keyStates, SlaveTxSize);
break;
case SlaveCommand_SetTestLed:
SlaveTxSize = 0;
bool isLedOn = SlaveRxBuffer[1];
TEST_LED_SET(isLedOn);
break;
case SlaveCommand_SetLedPwmBrightness:
SlaveTxSize = 0;
uint8_t brightnessPercent = SlaveRxBuffer[1];
LedPwm_SetBrightness(brightnessPercent);
break;
case SlaveCommand_SetDisableKeyMatrixScanState:
SlaveTxSize = 0;
DisableKeyMatrixScanState = SlaveRxBuffer[1];
break;
case SlaveCommand_SetDisableLedSdb:
SlaveTxSize = 0;
GPIO_WritePinOutput(LED_DRIVER_SDB_GPIO, LED_DRIVER_SDB_PIN, SlaveRxBuffer[1] ? 0 : 1);
break;
}
}