122 lines
3.4 KiB
C
122 lines
3.4 KiB
C
/* Includes ------------------------------------------------------------------*/
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#include "./SYSTEM/spi3/spi3.h"
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SPI_HandleTypeDef hspi3;
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/***********************************************
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调用方式： PT1000_SPI3_Inital()
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PA15 ------> SPI3_NSS
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PC10 ------> SPI3_SCK
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PC11 ------> SPI3_MISO
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PC12 ------> SPI3_MOSI
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返回值：
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函数说明：硬件spi3初始化
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************************************************/
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void TP1000_SPI3_Init(void)
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{
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__HAL_RCC_SPI3_CLK_ENABLE();
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hspi3.Instance = SPI3;
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hspi3.Init.Mode = SPI_MODE_MASTER;
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hspi3.Init.Direction = SPI_DIRECTION_2LINES;
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hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi3.Init.CLKPolarity = SPI_POLARITY_HIGH;
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hspi3.Init.CLKPhase = SPI_PHASE_2EDGE;
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hspi3.Init.NSS = SPI_NSS_SOFT;
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hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
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hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi3.Init.CRCPolynomial = 10;
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HAL_SPI_Init(&hspi3);
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__HAL_SPI_ENABLE(&hspi3);
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}
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/***********************************************
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调用方式： TP1000_SPI3_NSS_Init()
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PA15 ------> SPI3_NSS
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PC10 ------> SPI3_SCK
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PC11 ------> SPI3_MISO
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PC12 ------> SPI3_MOSI
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返回值：
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函数说明：软件片选NSS线初始化
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************************************************/
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void TP1000_SPI3_NSS_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOD, SPI3_NSS2_Pin|SPI3_NSS3_Pin, GPIO_PIN_SET);
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HAL_GPIO_WritePin(SPI3_NSS1_GPIO_Port, SPI3_NSS1_Pin, GPIO_PIN_SET);
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/*Configure GPIO pins : PDPin PDPin */
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GPIO_InitStruct.Pin = SPI3_NSS1_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(SPI3_NSS1_GPIO_Port, &GPIO_InitStruct);
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/*Configure GPIO pins : PDPin PDPin */
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GPIO_InitStruct.Pin = SPI3_NSS2_Pin|SPI3_NSS3_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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}
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void HAL_SPI_MspInit(SPI_HandleTypeDef* spiHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(spiHandle->Instance==SPI3)
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{
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/* SPI3 clock enable */
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__HAL_RCC_SPI3_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOH_CLK_ENABLE();
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/**SPI3 GPIO Configuration
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PC10 ------> SPI3_SCK
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PC11 ------> SPI3_MISO
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PC12 ------> SPI3_MOSI
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*/
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GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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}
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}
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void HAL_SPI_MspDeInit(SPI_HandleTypeDef* spiHandle)
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{
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if(spiHandle->Instance==SPI3)
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{
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__HAL_RCC_SPI3_CLK_DISABLE();
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/**SPI3 GPIO Configuration
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PA15 ------> SPI3_NSS
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PC10 ------> SPI3_SCK
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PC11 ------> SPI3_MISO
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PC12 ------> SPI3_MOSI
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
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}
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}
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