227 lines
8.1 KiB
C
227 lines
8.1 KiB
C
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#include "McuBspSpi.h"
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static SPI_HandleTypeDef gSpiHandle3;
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unsigned char gSpi3InitFlag = 0;
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int McuBspSpiInit(unsigned char SpiId)
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{
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if (SpiId == MCU_BSP_SPI3_ID) {
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if (MCU_BSP_SPI3_USE_FLAG == 0) {
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return -1;
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}
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if (gSpi3InitFlag == 1) {
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return 0;
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}
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gSpiHandle3.Instance = SPI3;
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gSpiHandle3.Init.BaudRatePrescaler = MCU_BSP_SPI3_BAUDRATEPRESCALER;
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gSpiHandle3.Init.Direction = MCU_BSP_SPI3_DIRECTION;
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gSpiHandle3.Init.CLKPhase = MCU_BSP_SPI3_CLKPHASE;
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gSpiHandle3.Init.CLKPolarity = MCU_BSP_SPI3_CLKPOLARITY;
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gSpiHandle3.Init.DataSize = MCU_BSP_SPI3_DATASIZE;
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gSpiHandle3.Init.FirstBit = MCU_BSP_SPI3_FIRSTBIT;
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gSpiHandle3.Init.TIMode = MCU_BSP_SPI3_TIMODE;
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gSpiHandle3.Init.CRCCalculation = MCU_BSP_SPI3_CRCCALCULATION;
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gSpiHandle3.Init.CRCPolynomial = MCU_BSP_SPI3_CRCPOLYNOMIAL;
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gSpiHandle3.Init.NSS = MCU_BSP_SPI3_NSS;
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gSpiHandle3.Init.Mode = MCU_BSP_SPI3_MODE;
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if(HAL_SPI_DeInit(&gSpiHandle3) != HAL_OK) {
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return -1;
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}
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if(HAL_SPI_Init(&gSpiHandle3) != HAL_OK) {
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return -1;
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}
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gSpi3InitFlag = 1;
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} else {
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return -1;
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}
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return 0;
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}
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/* SPI的读写 */
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unsigned char McuBspSpiReadWriteByte(uint8_t SpiId, uint8_t Data)
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{
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uint8_t RxData;
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if (SpiId == MCU_BSP_SPI3_ID) {
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if (MCU_BSP_SPI3_USE_FLAG == 0) {
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return 0;
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}
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while (gSpiHandle3.State != HAL_SPI_STATE_READY) {
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}
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HAL_SPI_TransmitReceive_IT(&gSpiHandle3, &Data, &RxData, 1);
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while (gSpiHandle3.State != HAL_SPI_STATE_READY) {
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}
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}
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return RxData;
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}
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/* 设置通信速度 */
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int McuBspSpiSetSpeed(uint8_t SpiId, uint8_t mode)
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{
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if (SpiId == MCU_BSP_SPI3_ID) {
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if (MCU_BSP_SPI3_USE_FLAG == 0) {
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return -1;
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}
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if (mode == MCU_BSP_SPI_SPEED_MODE_HIGH) {
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gSpiHandle3.Instance->CR1 &= 0xffffffc7;
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gSpiHandle3.Instance->CR1 |= SPI_BAUDRATEPRESCALER_4;
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} else if (mode == MCU_BSP_SPI_SPEED_MODE_MEDIUM) {
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gSpiHandle3.Instance->CR1 &= 0xffffffc7;
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gSpiHandle3.Instance->CR1 |= SPI_BAUDRATEPRESCALER_32;
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} else if (mode == MCU_BSP_SPI_SPEED_MODE_LOW) {
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gSpiHandle3.Instance->CR1 &= 0xffffffc7;
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gSpiHandle3.Instance->CR1 |= SPI_BAUDRATEPRESCALER_128;
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} else {
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return -1;
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}
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} else {
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return -1;
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}
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return 0;
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}
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/* CS片选 */
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void McuBspSpiCs(uint8_t SpiId, uint8_t flag)
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{
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if (SpiId == MCU_BSP_SPI3_ID) {
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if (MCU_BSP_SPI3_USE_FLAG == 0) {
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return;
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}
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HAL_GPIO_WritePin(MCU_BSP_SPI3_CS_GPIO, MCU_BSP_SPI3_CS_PIN, (GPIO_PinState)flag);
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}
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}
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void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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if (hspi->Instance == SPI3) {
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__HAL_RCC_SPI3_CLK_ENABLE();
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MCU_BSP_SPI3_SCK_CLK_ENABLE();
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MCU_BSP_SPI3_MISO_CLK_ENABLE();
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MCU_BSP_SPI3_MOSI_CLK_ENABLE();
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MCU_BSP_SPI3_CS_CLK_ENABLE();
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/* SPI SCK GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_SCK_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_SCK_PIN_PULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(MCU_BSP_SPI3_SCK_GPIO, &GPIO_InitStruct);
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/* SPI MISO GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_MISO_PIN;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_MISO_PIN_PULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_MISO_GPIO, &GPIO_InitStruct);
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/* SPI MOSI GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_MOSI_PIN;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_MOSI_PIN_PULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_MOSI_GPIO, &GPIO_InitStruct);
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/* SPI NSS GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_CS_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_CS_PIN_PULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_CS_GPIO, &GPIO_InitStruct);
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/*##-3- Configure the NVIC for SPI #########################################*/
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/* NVIC for SPI */
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HAL_NVIC_SetPriority(SPI3_IRQn, 1, 0);
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HAL_NVIC_EnableIRQ(SPI3_IRQn);
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}
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}
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void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi)
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{
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if (hspi->Instance == SPI3) {
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__HAL_RCC_SPI3_CLK_DISABLE();
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HAL_GPIO_DeInit(MCU_BSP_SPI3_SCK_GPIO, MCU_BSP_SPI3_SCK_PIN);
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HAL_GPIO_DeInit(MCU_BSP_SPI3_MISO_GPIO, MCU_BSP_SPI3_MISO_PIN);
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HAL_GPIO_DeInit(MCU_BSP_SPI3_MOSI_GPIO, MCU_BSP_SPI3_MOSI_PIN);
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HAL_GPIO_DeInit(MCU_BSP_SPI3_CS_GPIO, MCU_BSP_SPI3_CS_PIN);
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HAL_NVIC_DisableIRQ(SPI3_IRQn);
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gSpi3InitFlag = 0;
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}
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}
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/* SPI SLEEP */
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void McuBspSpiSleep(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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if (MCU_BSP_SPI3_USE_FLAG == 1) {
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if (gSpi3InitFlag == 1) {
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__HAL_RCC_SPI3_CLK_DISABLE();
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HAL_NVIC_DisableIRQ(SPI3_IRQn);
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}
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MCU_BSP_SPI3_SCK_CLK_ENABLE();
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MCU_BSP_SPI3_MISO_CLK_ENABLE();
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MCU_BSP_SPI3_MOSI_CLK_ENABLE();
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MCU_BSP_SPI3_CS_CLK_ENABLE();
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/* SPI SCK GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_SCK_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(MCU_BSP_SPI3_SCK_GPIO, &GPIO_InitStruct);
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/* SPI MISO GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_MISO_PIN;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_MISO_GPIO, &GPIO_InitStruct);
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/* SPI MOSI GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_MOSI_PIN;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_MOSI_GPIO, &GPIO_InitStruct);
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/* SPI NSS GPIO pin configuration */
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_CS_PIN;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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HAL_GPIO_Init(MCU_BSP_SPI3_CS_GPIO, &GPIO_InitStruct);
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HAL_GPIO_WritePin(MCU_BSP_SPI3_CS_GPIO, MCU_BSP_SPI3_CS_PIN, GPIO_PIN_SET);
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}
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}
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/* SPI WakeUp */
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void McuBspSpiWakeUp(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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if (MCU_BSP_SPI3_USE_FLAG == 1) {
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if (gSpi3InitFlag == 1) {
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MCU_BSP_SPI3_SCK_CLK_ENABLE();
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MCU_BSP_SPI3_MISO_CLK_ENABLE();
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MCU_BSP_SPI3_MOSI_CLK_ENABLE();
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MCU_BSP_SPI3_CS_CLK_ENABLE();
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/* SPI SCK GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_SCK_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_SCK_PIN_PULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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HAL_GPIO_Init(MCU_BSP_SPI3_SCK_GPIO, &GPIO_InitStruct);
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/* SPI MISO GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_MISO_PIN;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_MISO_PIN_PULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_MISO_GPIO, &GPIO_InitStruct);
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/* SPI MOSI GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_MOSI_PIN;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_MOSI_PIN_PULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_MOSI_GPIO, &GPIO_InitStruct);
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/* SPI NSS GPIO pin configuration */
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GPIO_InitStruct.Pin = MCU_BSP_SPI3_CS_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = MCU_BSP_SPI3_CS_PIN_PULL;
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HAL_GPIO_Init(MCU_BSP_SPI3_CS_GPIO, &GPIO_InitStruct);
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__HAL_RCC_SPI3_CLK_ENABLE();
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HAL_NVIC_EnableIRQ(SPI3_IRQn);
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}
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}
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}
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/* SPI 3中断 */
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void SPI3_IRQHandler(void)
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{
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HAL_SPI_IRQHandler(&gSpiHandle3);
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}
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