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Add i2c_message_t and use it all across the codebase. This will allow handling variable-length I2C messages and validation with minimal effort. The test LED and brightness PWM update features got temporarily broken and will fix them soon.

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László Monda
2017-09-25 03:03:14 +02:00
parent ef9d9ee9a7
commit b88c6e4291
11 changed files with 93 additions and 60 deletions
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25
left/src/slave_protocol_handler.c
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@@ -10,12 +10,15 @@
#include "bool_array_converter.h"
#include "bootloader.h"
i2c_message_t rxMessage;
i2c_message_t txMessage;
void SetError(uint8_t error);
void SetGenericError(void);
void SetResponseByte(uint8_t response);
void SetError(uint8_t error) {
SlaveTxBuffer[0] = error;
txMessage.data[0] = error;
}
void SetGenericError(void)
@@ -26,26 +29,26 @@ void SetGenericError(void)
// Set a single byte as the response.
void SetResponseByte(uint8_t response)
{
SlaveTxBuffer[1] = response;
txMessage.data[1] = response;
}
void SlaveProtocolHandler(void)
{
uint8_t commandId = SlaveRxBuffer[0];
uint8_t commandId = rxMessage.data[0];
switch (commandId) {
case SlaveCommand_RequestKeyStates:
SlaveTxSize = KEY_STATE_BUFFER_SIZE;
BoolBytesToBits(keyMatrix.keyStates, SlaveTxBuffer, LEFT_KEYBOARD_HALF_KEY_COUNT);
CRC16_AppendToMessage(SlaveTxBuffer, KEY_STATE_SIZE);
BoolBytesToBits(keyMatrix.keyStates, txMessage.data, LEFT_KEYBOARD_HALF_KEY_COUNT);
txMessage.length = KEY_STATE_SIZE;
CRC16_UpdateMessageChecksum(&txMessage);
break;
case SlaveCommand_SetTestLed:
SlaveTxSize = 0;
// bool isLedOn = SlaveRxBuffer[1];
// TEST_LED_SET(isLedOn);
txMessage.length = 0;
bool isLedOn = rxMessage.data[1];
TEST_LED_SET(isLedOn);
break;
case SlaveCommand_SetLedPwmBrightness:
SlaveTxSize = 0;
uint8_t brightnessPercent = SlaveRxBuffer[1];
txMessage.length = 0;
uint8_t brightnessPercent = rxMessage.data[1];
LedPwm_SetBrightness(brightnessPercent);
break;
case SlaveCommand_JumpToBootloader: