C++ (Cpp) RCC_ResetCmdの例

コード例 #1

ファイル: bus_spi.c プロジェクト: rayone/betaflight-1

void spiInitDevice(SPIDevice device)
{
    SPI_InitTypeDef spiInit;

    spiDevice_t *spi = &(spiHardwareMap[device]);

#ifdef SDCARD_SPI_INSTANCE
    if (spi->dev == SDCARD_SPI_INSTANCE)
        spi->sdcard = true;
#endif

    // Enable SPI clock
    RCC_ClockCmd(spi->rcc, ENABLE);
    RCC_ResetCmd(spi->rcc, ENABLE);

    IOInit(IOGetByTag(spi->sck),  OWNER_SPI, RESOURCE_SPI_SCK,  device + 1);
    IOInit(IOGetByTag(spi->miso), OWNER_SPI, RESOURCE_SPI_MISO, device + 1);
    IOInit(IOGetByTag(spi->mosi), OWNER_SPI, RESOURCE_SPI_MOSI, device + 1);

#if defined(STM32F3) || defined(STM32F4)
    IOConfigGPIOAF(IOGetByTag(spi->sck),  SPI_IO_AF_CFG, spi->af);
    IOConfigGPIOAF(IOGetByTag(spi->miso), SPI_IO_AF_CFG, spi->af);
    IOConfigGPIOAF(IOGetByTag(spi->mosi), SPI_IO_AF_CFG, spi->af);

    if (spi->nss)
        IOConfigGPIOAF(IOGetByTag(spi->nss), SPI_IO_CS_CFG, spi->af);
#endif
#if defined(STM32F10X)
    IOConfigGPIO(IOGetByTag(spi->sck), SPI_IO_AF_SCK_CFG);
    IOConfigGPIO(IOGetByTag(spi->miso), SPI_IO_AF_MISO_CFG);
    IOConfigGPIO(IOGetByTag(spi->mosi), SPI_IO_AF_MOSI_CFG);

    if (spi->nss)
        IOConfigGPIO(IOGetByTag(spi->nss), SPI_IO_CS_CFG);
#endif

            // Init SPI hardware
    SPI_I2S_DeInit(spi->dev);

    spiInit.SPI_Mode = SPI_Mode_Master;
    spiInit.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
    spiInit.SPI_DataSize = SPI_DataSize_8b;
    spiInit.SPI_NSS = SPI_NSS_Soft;
    spiInit.SPI_FirstBit = SPI_FirstBit_MSB;
    spiInit.SPI_CRCPolynomial = 7;
    spiInit.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;

    if (spi->sdcard) {
        spiInit.SPI_CPOL = SPI_CPOL_Low;
        spiInit.SPI_CPHA = SPI_CPHA_1Edge;
    }
    else {
        spiInit.SPI_CPOL = SPI_CPOL_High;
        spiInit.SPI_CPHA = SPI_CPHA_2Edge;
    }

#ifdef STM32F303xC
    // Configure for 8-bit reads.
    SPI_RxFIFOThresholdConfig(spi->dev, SPI_RxFIFOThreshold_QF);
#endif

    SPI_Init(spi->dev, &spiInit);
    SPI_Cmd(spi->dev, ENABLE);

    if (spi->nss)
        IOHi(IOGetByTag(spi->nss));
}

コード例 #2

ファイル: bus_spi_hal.c プロジェクト: savaga/betaflight-sirinfpv

void spiInitDevice(SPIDevice device)
{
    spiDevice_t *spi = &(spiHardwareMap[device]);

#ifdef SDCARD_SPI_INSTANCE
    if (spi->dev == SDCARD_SPI_INSTANCE) {
        spi->leadingEdge = true;
    }
#endif
#ifdef RX_SPI_INSTANCE
    if (spi->dev == RX_SPI_INSTANCE) {
        spi->leadingEdge = true;
    }
#endif

    // Enable SPI clock
    RCC_ClockCmd(spi->rcc, ENABLE);
    RCC_ResetCmd(spi->rcc, ENABLE);

    IOInit(IOGetByTag(spi->sck),  OWNER_SPI_SCK,  RESOURCE_INDEX(device));
    IOInit(IOGetByTag(spi->miso), OWNER_SPI_MISO, RESOURCE_INDEX(device));
    IOInit(IOGetByTag(spi->mosi), OWNER_SPI_MOSI, RESOURCE_INDEX(device));

#if defined(STM32F3) || defined(STM32F4) || defined(STM32F7)
    IOConfigGPIOAF(IOGetByTag(spi->sck),  SPI_IO_AF_CFG, spi->af);
    IOConfigGPIOAF(IOGetByTag(spi->miso), SPI_IO_AF_CFG, spi->af);
    IOConfigGPIOAF(IOGetByTag(spi->mosi), SPI_IO_AF_CFG, spi->af);

    if (spi->nss) {
        IOInit(IOGetByTag(spi->nss), OWNER_SPI_CS, RESOURCE_INDEX(device));
        IOConfigGPIOAF(IOGetByTag(spi->nss), SPI_IO_CS_CFG, spi->af);
    }
#endif
#if defined(STM32F10X)
    IOConfigGPIO(IOGetByTag(spi->sck), SPI_IO_AF_SCK_CFG);
    IOConfigGPIO(IOGetByTag(spi->miso), SPI_IO_AF_MISO_CFG);
    IOConfigGPIO(IOGetByTag(spi->mosi), SPI_IO_AF_MOSI_CFG);

    if (spi->nss) {
        IOInit(IOGetByTag(spi->nss), OWNER_SPI_CS, RESOURCE_INDEX(device));
        IOConfigGPIO(IOGetByTag(spi->nss), SPI_IO_CS_CFG);
    }
#endif
    spiHardwareMap[device].hspi.Instance = spi->dev;
    // Init SPI hardware
    HAL_SPI_DeInit(&spiHardwareMap[device].hspi);

    spiHardwareMap[device].hspi.Init.Mode = SPI_MODE_MASTER;
    spiHardwareMap[device].hspi.Init.Direction = SPI_DIRECTION_2LINES;
    spiHardwareMap[device].hspi.Init.DataSize = SPI_DATASIZE_8BIT;
    spiHardwareMap[device].hspi.Init.NSS = SPI_NSS_SOFT;
    spiHardwareMap[device].hspi.Init.FirstBit = SPI_FIRSTBIT_MSB;
    spiHardwareMap[device].hspi.Init.CRCPolynomial = 7;
    spiHardwareMap[device].hspi.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
    spiHardwareMap[device].hspi.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
    spiHardwareMap[device].hspi.Init.TIMode = SPI_TIMODE_DISABLED;

    if (spi->leadingEdge) {
        spiHardwareMap[device].hspi.Init.CLKPolarity = SPI_POLARITY_LOW;
        spiHardwareMap[device].hspi.Init.CLKPhase = SPI_PHASE_1EDGE;
    }
    else {
        spiHardwareMap[device].hspi.Init.CLKPolarity = SPI_POLARITY_HIGH;
        spiHardwareMap[device].hspi.Init.CLKPhase = SPI_PHASE_2EDGE;
    }

    if (HAL_SPI_Init(&spiHardwareMap[device].hspi) == HAL_OK)
    {
        if (spi->nss) {
            IOHi(IOGetByTag(spi->nss));
        }
    }
}