Exemplos de Chip_SPI_ClearStatus em C++ (Cpp)

Exemplo n.º 1

Arquivo: spi_5410x.c Projeto: HargicStudio/smartCup_micokit_V2.3.0.2

/* Initialize the SPI */
void Chip_SPI_IF_Init(LPC_SPI_T *pSPI, SPI_MODECONFIG_T *pConfig)
{
	uint32_t EnStat;

	Chip_SPI_Init(pSPI);

	EnStat = pSPI->CFG & SPI_CFG_SPI_EN;
	/* Disable before update CFG register */
	if (EnStat) {
		Chip_SPI_Disable(pSPI);
	}

	/* SPI Configurate */
	pSPI->CFG = ((uint32_t) pConfig->ClockMode) | ((uint32_t) pConfig->DataOrder) | ((uint32_t) pConfig->Mode) |
				((uint32_t) pConfig->SSELPol);

	if ( pConfig->Mode == SPI_CFG_MASTER_EN ) {
		/* Rate Divider setting */
		pSPI->DIV = SPI_DIV_VAL(pConfig->ClkDiv);
	}

	/* Clear status flag*/
	Chip_SPI_ClearStatus(pSPI, SPI_STAT_RXOV | SPI_STAT_TXUR | SPI_STAT_SSA | SPI_STAT_SSD);

	/* Return the previous state */
	if (EnStat) {
		Chip_SPI_Enable(pSPI);
	}
}

Exemplo n.º 2

Arquivo: spi_5410x.c Projeto: HargicStudio/smartCup_micokit_V2.3.0.2

/*Send and Receive SPI Data  */
uint32_t Chip_SPI_RWFrames_Blocking(LPC_SPI_T *pSPI, SPI_DATA_SETUP_T *pXfSetup)
{
	uint32_t Status;
	/* Clear status */
	Chip_SPI_ClearStatus(pSPI, SPI_STAT_RXOV | SPI_STAT_TXUR | SPI_STAT_SSA | SPI_STAT_SSD);
	Chip_SPI_SetControlInfo(pSPI, pXfSetup->DataSize, SPI_TXCTL_ASSERT_SSEL | SPI_TXCTL_EOF);
	pXfSetup->TxCnt = pXfSetup->RxCnt = 0;
	while ((pXfSetup->TxCnt < pXfSetup->Length) ||
		   (pXfSetup->RxCnt < pXfSetup->Length)) {
		Status = Chip_SPI_GetStatus(pSPI);

		/* In case of TxReady */
		if ((Status & SPI_STAT_TXRDY) && (pXfSetup->TxCnt < pXfSetup->Length)) {
			SPI_Send_Data(pSPI, pXfSetup);
		}

		/*In case of Rx ready */
		if ((Status & SPI_STAT_RXRDY) && (pXfSetup->RxCnt < pXfSetup->Length)) {
			SPI_Receive_Data(pSPI, pXfSetup);
		}
	}
	/* Check error */
	if (Chip_SPI_GetStatus(pSPI) & (SPI_STAT_RXOV | SPI_STAT_TXUR)) {
		return 0;
	}
	return pXfSetup->TxCnt;
}

Exemplo n.º 3

Arquivo: spi_8xx.c Projeto: jimtremblay/nOS-examples

/* Initialize the SPI */
void Chip_SPI_Init(LPC_SPI_T *pSPI, SPI_CONFIG_T *pConfig)
{
	uint32_t EnStat = pSPI->CFG & SPI_CFG_SPI_EN;

	Chip_Clock_EnablePeriphClock((pSPI == LPC_SPI1) ? SYSCTL_CLOCK_SPI1 : SYSCTL_CLOCK_SPI0);
	Chip_SYSCTL_PeriphReset((pSPI == LPC_SPI1) ? RESET_SPI1 : RESET_SPI0);

	/* Disable before update CFG register */
	if (EnStat) {
		Chip_SPI_Disable(pSPI);
	}

	/* SPI Configurate */
	pSPI->CFG = ((uint32_t) pConfig->ClockMode) | ((uint32_t) pConfig->DataOrder) | ((uint32_t) pConfig->Mode) |
				((uint32_t) pConfig->SSELPol);

	/* Rate Divider setting */
	pSPI->DIV = SPI_DIV_VAL(pConfig->ClkDiv);

	/* Clear status flag*/
	Chip_SPI_ClearStatus(pSPI, SPI_STAT_CLR_RXOV | SPI_STAT_CLR_TXUR | SPI_STAT_CLR_SSA | SPI_STAT_CLR_SSD);

	/* Return the previous state */
	if (EnStat) {
		Chip_SPI_Enable(pSPI);
	}
}

Exemplo n.º 4

Arquivo: spi_5410x.c Projeto: HargicStudio/smartCup_micokit_V2.3.0.2

uint32_t Chip_SPI_WriteFrames_Blocking(LPC_SPI_T *pSPI, SPI_DATA_SETUP_T *pXfSetup)
{
	/* Clear status */
	Chip_SPI_ClearStatus(pSPI, SPI_STAT_RXOV | SPI_STAT_TXUR | SPI_STAT_SSA | SPI_STAT_SSD);
	Chip_SPI_SetControlInfo(pSPI, pXfSetup->DataSize, SPI_TXCTL_ASSERT_SSEL | SPI_TXCTL_EOF | SPI_TXCTL_RXIGNORE);
	pXfSetup->TxCnt = pXfSetup->RxCnt = 0;
	while (pXfSetup->TxCnt < pXfSetup->Length) {
		/* Wait for TxReady */
		while (!(Chip_SPI_GetStatus(pSPI) & SPI_STAT_TXRDY)) {}

		SPI_Send_Data_RxIgnore(pSPI, pXfSetup);

	}

	/* Make sure the last frame sent completely*/
	while (!(Chip_SPI_GetStatus(pSPI) & SPI_STAT_SSD)) {}
	Chip_SPI_ClearStatus(pSPI, SPI_STAT_SSD);

	/* Check overrun error */
	if (Chip_SPI_GetStatus(pSPI) & SPI_STAT_TXUR) {
		return 0;
	}
	return pXfSetup->TxCnt;
}

Exemplo n.º 5

Arquivo: spi_5410x.c Projeto: HargicStudio/smartCup_micokit_V2.3.0.2

uint32_t Chip_SPI_ReadFrames_Blocking(LPC_SPI_T *pSPI, SPI_DATA_SETUP_T *pXfSetup)
{
	/* Clear status */
	Chip_SPI_ClearStatus(pSPI, SPI_STAT_RXOV | SPI_STAT_TXUR | SPI_STAT_SSA | SPI_STAT_SSD);
	Chip_SPI_SetControlInfo(pSPI, pXfSetup->DataSize, SPI_TXCTL_ASSERT_SSEL | SPI_TXCTL_EOF);
	pXfSetup->TxCnt = pXfSetup->RxCnt = 0;
	while (pXfSetup->RxCnt < pXfSetup->Length) {
		/* Wait for TxReady */
		while (!(Chip_SPI_GetStatus(pSPI) & SPI_STAT_TXRDY)) {}

		SPI_Send_Dummy(pSPI, pXfSetup);

		/* Wait for receive data */
		while (!(Chip_SPI_GetStatus(pSPI) & SPI_STAT_RXRDY)) {}

		SPI_Receive_Data(pSPI, pXfSetup);

	}
	/* Check overrun error */
	if (Chip_SPI_GetStatus(pSPI) & (SPI_STAT_RXOV | SPI_STAT_TXUR)) {
		return 0;
	}
	return pXfSetup->RxCnt;
}