C++ (Cpp) rccEnableSDMMC1 Examples

Example #1

File: hal_sdc_lld.c Project: DroneBuster/ChibiOS

/**
 * @brief   Configures and activates the SDC peripheral.
 *
 * @param[in] sdcp      pointer to the @p SDCDriver object
 *
 * @notapi
 */
void sdc_lld_start(SDCDriver *sdcp) {

  /* Checking configuration, using a default if NULL has been passed.*/
  if (sdcp->config == NULL) {
    sdcp->config = &sdc_default_cfg;
  }

  sdcp->dmamode = STM32_DMA_CR_CHSEL(SDMMC1_DMA_CHANNEL) |
                  STM32_DMA_CR_PL(STM32_SDC_SDMMC1_DMA_PRIORITY) |
                  STM32_DMA_CR_PSIZE_WORD |
                  STM32_DMA_CR_MSIZE_WORD |
                  STM32_DMA_CR_MINC;

#if STM32_DMA_ADVANCED
  sdcp->dmamode |= STM32_DMA_CR_PFCTRL |
                   STM32_DMA_CR_PBURST_INCR4 |
                   STM32_DMA_CR_MBURST_INCR4;
#endif

  /* If in stopped state then clocks are enabled and DMA initialized.*/
  if (sdcp->state == BLK_STOP) {
#if STM32_SDC_USE_SDMMC1
    if (&SDCD1 == sdcp) {
      bool b = dmaStreamAllocate(sdcp->dma, STM32_SDC_SDMMC1_IRQ_PRIORITY,
                                 NULL, NULL);

      osalDbgAssert(!b, "stream already allocated");

      dmaStreamSetPeripheral(sdcp->dma, &sdcp->sdmmc->FIFO);
#if STM32_DMA_ADVANCED
      dmaStreamSetFIFO(sdcp->dma, STM32_DMA_FCR_DMDIS |
                                  STM32_DMA_FCR_FTH_FULL);
#endif
      rccEnableSDMMC1(FALSE);
    }
#endif /* STM32_SDC_USE_SDMMC1 */

#if STM32_SDC_USE_SDMMC2
    if (&SDCD2 == sdcp) {
      bool b = dmaStreamAllocate(sdcp->dma, STM32_SDC_SDMMC2_IRQ_PRIORITY,
                                 NULL, NULL);

      osalDbgAssert(!b, "stream already allocated");

      dmaStreamSetPeripheral(sdcp->dma, &sdcp->sdmmc->FIFO);
#if STM32_DMA_ADVANCED
      dmaStreamSetFIFO(sdcp->dma, STM32_DMA_FCR_DMDIS |
                                  STM32_DMA_FCR_FTH_FULL);
#endif
      rccEnableSDMMC2(FALSE);
    }
#endif /* STM32_SDC_USE_SDMMC2 */
  }

  /* Configuration, card clock is initially stopped.*/
  sdcp->sdmmc->POWER  = 0;
  sdcp->sdmmc->CLKCR  = 0;
  sdcp->sdmmc->DCTRL  = 0;
  sdcp->sdmmc->DTIMER = 0;
}

Example #2

File: sdc_lld.c Project: dotdash32/tmk_keyboard

/**
 * @brief   Configures and activates the SDC peripheral.
 *
 * @param[in] sdcp      pointer to the @p SDCDriver object
 *
 * @notapi
 */
void sdc_lld_start(SDCDriver *sdcp) {

  /* Checking configuration, using a default if NULL has been passed.*/
  if (sdcp->config == NULL) {
    sdcp->config = &sdc_default_cfg;
  }

  sdcp->dmamode = STM32_DMA_CR_CHSEL(DMA_CHANNEL) |
                  STM32_DMA_CR_PL(STM32_SDC_SDMMC1_DMA_PRIORITY) |
                  STM32_DMA_CR_PSIZE_WORD |
                  STM32_DMA_CR_MSIZE_WORD |
                  STM32_DMA_CR_MINC;

#if 1
  sdcp->dmamode |= STM32_DMA_CR_PFCTRL |
                   STM32_DMA_CR_PBURST_INCR4 |
                   STM32_DMA_CR_MBURST_INCR4;
#endif

  if (sdcp->state == BLK_STOP) {
    /* Note, the DMA must be enabled before the IRQs.*/
    bool b;
    b = dmaStreamAllocate(sdcp->dma, STM32_SDC_SDMMC1_IRQ_PRIORITY, NULL, NULL);
    osalDbgAssert(!b, "stream already allocated");
    dmaStreamSetPeripheral(sdcp->dma, &sdcp->sdmmc->FIFO);
#if 1
    dmaStreamSetFIFO(sdcp->dma, STM32_DMA_FCR_DMDIS | STM32_DMA_FCR_FTH_FULL);
#endif
    nvicEnableVector(STM32_SDMMC1_NUMBER, STM32_SDC_SDMMC1_IRQ_PRIORITY);
    rccEnableSDMMC1(FALSE);
  }

  /* Configuration, card clock is initially stopped.*/
  sdcp->sdmmc->POWER  = 0;
  sdcp->sdmmc->CLKCR  = 0;
  sdcp->sdmmc->DCTRL  = 0;
  sdcp->sdmmc->DTIMER = 0;
}