Ejemplos de TM_SPI1_INT_InitPins en C++ (Cpp)

Ejemplo n.º 1

Archivo: tm_stm32f4_spi.c Proyecto: jackzzjack/STM32F429-Experiment

/* Private functions */
static void TM_SPIx_Init(SPI_TypeDef* SPIx, TM_SPI_PinsPack_t pinspack, TM_SPI_Mode_t SPI_Mode, uint16_t SPI_BaudRatePrescaler, uint16_t SPI_MasterSlave, uint16_t SPI_FirstBit) {
	SPI_InitTypeDef SPI_InitStruct;

	// 這一個 Function 直接呼叫到 STM32 所提供的 Function，此 Function 的功能在於，把 SPI 的結構，填上預設值。
	/* Set default settings */
	SPI_StructInit(&SPI_InitStruct);

	// 接下來的各個 Region，分別對於各自的 SPI 做個別的設定。
		// 在這邊先只註解第一個 (SPI 1)
#ifdef SPI1	
	if (SPIx == SPI1) {

		/* 
		 * 把 APB2 Enable 起來，因為 SPI 1 要使用 APB2 這一個 Bus
		 * 我們注意到，SPI 1, 4, 5, 6 皆使用 APB2 這一個 Bus
		 * SPI 2, 3 則是使用 APB1 這一個 Bus
		 *
		 * 因此藉由 RCC->APB2ENR 來 Enable Clock，並使用 API 給予的 Define。
		 * 
		 */
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;

		// 這邊進行 TM Library 的 Pin 的設定
		/* Init pins */
		TM_SPI1_INT_InitPins(pinspack);

		// 設定 SPI 1 DataSize，這邊比照 STM32 預設值
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI1_DATASIZE;
	}
#endif
#ifdef SPI2
	if (SPIx == SPI2) {
		/* Enable SPI clock */
		RCC->APB1ENR |= RCC_APB1ENR_SPI2EN;
		
		/* Init pins */
		TM_SPI2_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI2_DATASIZE;
	}
#endif
#ifdef SPI3
	if (SPIx == SPI3) {
		/* Enable SPI clock */
		RCC->APB1ENR |= RCC_APB1ENR_SPI3EN;
		
		/* Init pins */
		TM_SPI3_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI3_DATASIZE;
	
	}
#endif
#ifdef SPI4
	if (SPIx == SPI4) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI4EN;
		
		/* Init pins */
		TM_SPI4_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI4_DATASIZE;
	}
#endif
#ifdef SPI5
	if (SPIx == SPI5) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI5EN;
		
		/* Init pins */
		TM_SPI5_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI5_DATASIZE;
	}
#endif
#ifdef SPI6
	if (SPIx == SPI6) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI6EN;
		
		/* Init pins */
		TM_SPI6_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI6_DATASIZE;
	}
#endif

	// 這邊再重新給予一次 SPI 各個的參數
	/* Fill SPI settings */
	SPI_InitStruct.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler;
	SPI_InitStruct.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
	SPI_InitStruct.SPI_FirstBit = SPI_FirstBit;
	SPI_InitStruct.SPI_Mode = SPI_MasterSlave;
	SPI_InitStruct.SPI_NSS = SPI_NSS_Soft;

	// 這邊給予不同的 SPI Mode，然後設定不一樣的 CPOL, CPHA
	// 看起來 STM 是靠 SPI_CPOL, SPI_CPHA 來決定 Mode (有點像是設定哪一種觸發方式、高低相位等)
	/* SPI mode */
	if (SPI_Mode == TM_SPI_Mode_0) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_1Edge;
	} else if (SPI_Mode == TM_SPI_Mode_1) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_2Edge;
	} else if (SPI_Mode == TM_SPI_Mode_2) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_High;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_1Edge;
	} else if (SPI_Mode == TM_SPI_Mode_3) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_High;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_2Edge;
	}
	
	/* Disable first */
	SPIx->CR1 &= ~SPI_CR1_SPE;					// 先至 SPI Register 直接進行 Disable
	
	/* Init SPI */
	SPI_Init(SPIx, &SPI_InitStruct);			// 直接下至 STM32 所提供的 SPI Init Function
	
	/* Enable SPI */
	SPIx->CR1 |= SPI_CR1_SPE;					// Enable SPI Register
}

Ejemplo n.º 2

Archivo: tm_stm32_spi.c Proyecto: EduardoG26/stm32fxxx_hal_libraries

/* Private functions */
static void TM_SPIx_Init(SPI_TypeDef* SPIx, TM_SPI_PinsPack_t pinspack, TM_SPI_Mode_t SPI_Mode, uint16_t SPI_BaudRatePrescaler, uint16_t SPI_MasterSlave, uint16_t SPI_FirstBit) {
	SPI_HandleTypeDef SPIHandle;
	
	/* Save instance */
	SPIHandle.Instance = SPIx;
	
#ifdef SPI1	
	if (SPIx == SPI1) {
		/* Enable SPI clock */
		__HAL_RCC_SPI1_CLK_ENABLE();
		
		/* Init pins */
		TM_SPI1_INT_InitPins(pinspack);
		
		/* Set options */
		SPIHandle.Init.DataSize = TM_SPI1_DATASIZE;
	}
#endif
#ifdef SPI2
	if (SPIx == SPI2) {
		/* Enable SPI clock */
		__HAL_RCC_SPI2_CLK_ENABLE();
		
		/* Init pins */
		TM_SPI2_INT_InitPins(pinspack);
		
		/* Set options */
		SPIHandle.Init.DataSize = TM_SPI2_DATASIZE;
	}
#endif
#ifdef SPI3
	if (SPIx == SPI3) {
		/* Enable SPI clock */
		__HAL_RCC_SPI3_CLK_ENABLE();
		
		/* Init pins */
		TM_SPI3_INT_InitPins(pinspack);
		
		/* Set options */
		SPIHandle.Init.DataSize = TM_SPI3_DATASIZE;
	
	}
#endif
#ifdef SPI4
	if (SPIx == SPI4) {
		/* Enable SPI clock */
		__HAL_RCC_SPI4_CLK_ENABLE();
		
		/* Init pins */
		TM_SPI4_INT_InitPins(pinspack);
		
		/* Set options */
		SPIHandle.Init.DataSize = TM_SPI4_DATASIZE;
	}
#endif
#ifdef SPI5
	if (SPIx == SPI5) {
		/* Enable SPI clock */
		__HAL_RCC_SPI5_CLK_ENABLE();
		
		/* Init pins */
		TM_SPI5_INT_InitPins(pinspack);
		
		/* Set options */
		SPIHandle.Init.DataSize = TM_SPI5_DATASIZE;
	}
#endif
#ifdef SPI6
	if (SPIx == SPI6) {
		/* Enable SPI clock */
		__HAL_RCC_SPI6_CLK_ENABLE();
		
		/* Init pins */
		TM_SPI6_INT_InitPins(pinspack);
		
		/* Set options */
		SPIHandle.Init.DataSize = TM_SPI6_DATASIZE;
	}
#endif

	/* Fill SPI settings */
	SPIHandle.Init.BaudRatePrescaler = SPI_BaudRatePrescaler;
	SPIHandle.Init.FirstBit = SPI_FirstBit;
	SPIHandle.Init.Mode = SPI_MasterSlave;
	
	SPIHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
	SPIHandle.Init.CRCPolynomial = 7;
	SPIHandle.Init.TIMode = SPI_TIMODE_DISABLE;
	SPIHandle.Init.NSS = SPI_NSS_SOFT;
	SPIHandle.Init.Direction = SPI_DIRECTION_2LINES;
	
#if defined(STM32F7xx)
	SPIHandle.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
	SPIHandle.Init.CRCLength = SPI_CRC_LENGTH_8BIT;
#endif
	
	/* SPI mode */
	if (SPI_Mode == TM_SPI_Mode_0) {
		SPIHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
		SPIHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
	} else if (SPI_Mode == TM_SPI_Mode_1) {
		SPIHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
		SPIHandle.Init.CLKPhase = SPI_PHASE_2EDGE;
	} else if (SPI_Mode == TM_SPI_Mode_2) {
		SPIHandle.Init.CLKPolarity = SPI_POLARITY_HIGH;
		SPIHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
	} else if (SPI_Mode == TM_SPI_Mode_3) {
		SPIHandle.Init.CLKPolarity = SPI_POLARITY_HIGH;
		SPIHandle.Init.CLKPhase = SPI_PHASE_2EDGE;
	}
	
	/* Disable first */
	__HAL_SPI_DISABLE(&SPIHandle);
	
	/* Init SPI */
	HAL_SPI_Init(&SPIHandle);
	
	/* Enable SPI */
	__HAL_SPI_ENABLE(&SPIHandle);
}

Ejemplo n.º 3

Archivo: tm_stm32f4_spi.c Proyecto: codemercenary/accelerometer

/* Private functions */
static void TM_SPIx_Init(SPI_TypeDef* SPIx, TM_SPI_PinsPack_t pinspack, TM_SPI_Mode_t SPI_Mode, uint16_t SPI_BaudRatePrescaler, uint16_t SPI_MasterSlave, uint16_t SPI_FirstBit) {
	SPI_InitTypeDef SPI_InitStruct;

	/* Set default settings */
	SPI_StructInit(&SPI_InitStruct);
#ifdef USE_SPI1	
	if (SPIx == SPI1) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;
		
		/* Init pins */
		TM_SPI1_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI1_DATASIZE;
	}
#endif
#ifdef USE_SPI2
	if (SPIx == SPI2) {
		/* Enable SPI clock */
		RCC->APB1ENR |= RCC_APB1ENR_SPI2EN;
		
		/* Init pins */
		TM_SPI2_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI2_DATASIZE;
	}
#endif
#ifdef USE_SPI3
	if (SPIx == SPI3) {
		/* Enable SPI clock */
		RCC->APB1ENR |= RCC_APB1ENR_SPI3EN;
		
		/* Init pins */
		TM_SPI3_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI3_DATASIZE;
	
	}
#endif
#ifdef USE_SPI4
	if (SPIx == SPI4) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI4EN;
		
		/* Init pins */
		TM_SPI4_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI4_DATASIZE;
	}
#endif
#ifdef USE_SPI5
	if (SPIx == SPI5) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI5EN;
		
		/* Init pins */
		TM_SPI5_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI5_DATASIZE;
	}
#endif
#ifdef USE_SPI6
	if (SPIx == SPI6) {
		/* Enable SPI clock */
		RCC->APB2ENR |= RCC_APB2ENR_SPI6EN;
		
		/* Init pins */
		TM_SPI6_INT_InitPins(pinspack);
		
		/* Set options */
		SPI_InitStruct.SPI_DataSize = TM_SPI6_DATASIZE;
	}
#endif

	/* Fill SPI settings */
	SPI_InitStruct.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler;
	SPI_InitStruct.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
	SPI_InitStruct.SPI_FirstBit = SPI_FirstBit;
	SPI_InitStruct.SPI_Mode = SPI_MasterSlave;
	SPI_InitStruct.SPI_NSS = SPI_NSS_Soft;
	//SPI_InitStruct.SPI_DataSize = SPI_DataSize_16b;
	
	/* SPI mode */
	if (SPI_Mode == TM_SPI_Mode_0) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_1Edge;
	} else if (SPI_Mode == TM_SPI_Mode_1) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_2Edge;
	} else if (SPI_Mode == TM_SPI_Mode_2) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_High;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_1Edge;
	} else if (SPI_Mode == TM_SPI_Mode_3) {
		SPI_InitStruct.SPI_CPOL = SPI_CPOL_High;
		SPI_InitStruct.SPI_CPHA = SPI_CPHA_2Edge;
	}
	
	/* Disable first */
	SPIx->CR1 &= ~SPI_CR1_SPE;
	
	/* Init SPI */
	SPI_Init(SPIx, &SPI_InitStruct);
	
	/* Enable SPI */
	SPIx->CR1 |= SPI_CR1_SPE;
}