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Make names more clear

This commit is contained in:
jflyper 2017-07-11 15:12:13 +09:00
parent a864b869ae
commit f9f4b4263c
3 changed files with 13 additions and 13 deletions
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8
src/main/drivers/bus_spi.c
View File

@ -206,14 +206,14 @@ bool spiIsBusBusy(SPI_TypeDef *instance)
}
bool spiTransfer(SPI_TypeDef *instance, uint8_t *in, const uint8_t *out, int len)
bool spiTransfer(SPI_TypeDef *instance, uint8_t *rxData, const uint8_t *txData, int len)
{
uint16_t spiTimeout = 1000;
uint8_t b;
instance->DR;
while (len--) {
b = out ? *(out++) : 0xFF;
b = txData ? *(txData++) : 0xFF;
while (SPI_I2S_GetFlagStatus(instance, SPI_I2S_FLAG_TXE) == RESET) {
if ((spiTimeout--) == 0)
return spiTimeoutUserCallback(instance);
@ -233,8 +233,8 @@ bool spiTransfer(SPI_TypeDef *instance, uint8_t *in, const uint8_t *out, int len
#else
b = SPI_I2S_ReceiveData(instance);
#endif
if (in)
*(in++) = b;
if (rxData)
*(rxData++) = b;
}
return true;

4
src/main/drivers/bus_spi.h
View File

@ -85,10 +85,10 @@ typedef enum SPIDevice {
void spiPreInitCs(ioTag_t iotag);
bool spiInit(SPIDevice device);
void spiSetDivisor(SPI_TypeDef *instance, uint16_t divisor);
uint8_t spiTransferByte(SPI_TypeDef *instance, uint8_t in);
uint8_t spiTransferByte(SPI_TypeDef *instance, uint8_t data);
bool spiIsBusBusy(SPI_TypeDef *instance);
bool spiTransfer(SPI_TypeDef *instance, uint8_t *in, const uint8_t *out, int len);
bool spiTransfer(SPI_TypeDef *instance, rxData *in, const uint8_t *txData, int len);
uint16_t spiGetErrorCounter(SPI_TypeDef *instance);
void spiResetErrorCounter(SPI_TypeDef *instance);

14
src/main/drivers/bus_spi_hal.c
View File

@ -261,22 +261,22 @@ bool spiIsBusBusy(SPI_TypeDef *instance)
return false;
}
bool spiTransfer(SPI_TypeDef *instance, uint8_t *in, const uint8_t *out, int len)
bool spiTransfer(SPI_TypeDef *instance, uint8_t *rxData, const uint8_t *txData, int len)
{
SPIDevice device = spiDeviceByInstance(instance);
HAL_StatusTypeDef status;
if (!in) // Tx only
{
status = HAL_SPI_Transmit(&spiDevice[device].hspi, (uint8_t *)out, len, SPI_DEFAULT_TIMEOUT);
status = HAL_SPI_Transmit(&spiDevice[device].hspi, (uint8_t *)txData, len, SPI_DEFAULT_TIMEOUT);
}
else if (!out) // Rx only
{
status = HAL_SPI_Receive(&spiDevice[device].hspi, in, len, SPI_DEFAULT_TIMEOUT);
status = HAL_SPI_Receive(&spiDevice[device].hspi, rxData, len, SPI_DEFAULT_TIMEOUT);
}
else // Tx and Rx
{
status = HAL_SPI_TransmitReceive(&spiDevice[device].hspi, out, in, len, SPI_DEFAULT_TIMEOUT);
status = HAL_SPI_TransmitReceive(&spiDevice[device].hspi, txData, rxData, len, SPI_DEFAULT_TIMEOUT);
}
if ( status != HAL_OK)
@ -295,10 +295,10 @@ static bool spiBusReadBuffer(const busDevice_t *bus, uint8_t *out, int len)
}
// return uint8_t value or -1 when failure
uint8_t spiTransferByte(SPI_TypeDef *instance, uint8_t in)
uint8_t spiTransferByte(SPI_TypeDef *instance, uint8_t data)
{
spiTransfer(instance, &in, &in, 1);
return in;
spiTransfer(instance, &data, &data, 1);
return data;
}
// return uint8_t value or -1 when failure