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C++ dmaStreamSetPeripheral函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中dmaStreamSetPeripheral函数的典型用法代码示例。如果您正苦于以下问题：C++ dmaStreamSetPeripheral函数的具体用法？C++ dmaStreamSetPeripheral怎么用？C++ dmaStreamSetPeripheral使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了dmaStreamSetPeripheral函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: sdc_lld_start

/**
 * @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;
}
开发者ID:DroneBuster，项目名称:ChibiOS，代码行数:67，代码来源:hal_sdc_lld.c


示例2: PinSetupAlterFunc

void CmdUart_t::Init(uint32_t ABaudrate) {
    PWrite = TXBuf;
    PRead = TXBuf;
    IDmaIsIdle = true;
    IFullSlotsCount = 0;
    PinSetupAlterFunc(UART_GPIO, UART_TX_PIN, omPushPull, pudNone, UART_AF);

    // ==== USART configuration ====
    UART_RCC_ENABLE();
    UART->CR1 = USART_CR1_UE;     // Enable USART
    UART->BRR = Clk.APBFreqHz / ABaudrate;
    UART->CR2 = 0;
    // ==== DMA ====
    dmaStreamAllocate     (UART_DMA_TX, IRQ_PRIO_HIGH, CmdUartTxIrq, NULL);
    dmaStreamSetPeripheral(UART_DMA_TX, &UART->TDR);
    dmaStreamSetMode      (UART_DMA_TX, UART_DMA_TX_MODE);

#if UART_RX_ENABLED
    UART->CR1 = USART_CR1_TE | USART_CR1_RE;        // TX & RX enable
    UART->CR3 = USART_CR3_DMAT | USART_CR3_DMAR;    // Enable DMA at TX & RX

    PinSetupAlterFunc(UART_GPIO, UART_RX_PIN,  omOpenDrain, pudPullUp, UART_AF);

    dmaStreamAllocate     (UART_DMA_RX, IRQ_PRIO_LOW, nullptr, NULL);
    dmaStreamSetPeripheral(UART_DMA_RX, &UART->RDR);
    dmaStreamSetMemory0   (UART_DMA_RX, IRxBuf);
    dmaStreamSetTransactionSize(UART_DMA_RX, UART_RXBUF_SZ);
    dmaStreamSetMode      (UART_DMA_RX, UART_DMA_RX_MODE);
    dmaStreamEnable       (UART_DMA_RX);
#else
    UART->CR1 = USART_CR1_TE;     // Transmitter enabled
    UART->CR3 = USART_CR3_DMAT;   // Enable DMA at transmitter
#endif
    UART->CR1 |= USART_CR1_UE;    // Enable USART
}
开发者ID:Kreyl，项目名称:nute，代码行数:35，代码来源:cmd_uart.cpp


示例3: adc_lld_start

/**
 * @brief   Configures and activates the ADC peripheral.
 *
 * @param[in] adcp      pointer to the @p ADCDriver object
 *
 * @notapi
 */
void adc_lld_start(ADCDriver *adcp) {

  /* Handling the default configuration.*/
  if (adcp->config == NULL) {
    adcp->config = &default_config;
  }

  /* If in stopped state then enables the ADC and DMA clocks.*/
  if (adcp->state == ADC_STOP) {
#if STM32_ADC_USE_ADC1
    if (&ADCD1 == adcp) {
      bool b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC12_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
                            (void *)adcp);
      osalDbgAssert(!b, "stream already allocated");
      rccEnableADC12(FALSE);
    }
#endif /* STM32_ADC_USE_ADC1 */

#if STM32_ADC_USE_ADC3
    if (&ADCD3 == adcp) {
      bool b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC34_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_dma_interrupt,
                            (void *)adcp);
      osalDbgAssert(!b, "stream already allocated");
      rccEnableADC34(FALSE);
    }
#endif /* STM32_ADC_USE_ADC2 */

    /* Setting DMA peripheral-side pointer.*/
#if STM32_ADC_DUAL_MODE
      dmaStreamSetPeripheral(adcp->dmastp, &adcp->adcc->CDR);
#else
      dmaStreamSetPeripheral(adcp->dmastp, &adcp->adcm->DR);
#endif

    /* Clock source setting.*/
    adcp->adcc->CCR = STM32_ADC_ADC12_CLOCK_MODE | ADC_DMA_MDMA;


    /* Differential channels setting.*/
#if STM32_ADC_DUAL_MODE
    adcp->adcm->DIFSEL = adcp->config->difsel;
    adcp->adcs->DIFSEL = adcp->config->difsel;
#else
    adcp->adcm->DIFSEL = adcp->config->difsel;
#endif

    /* Master ADC calibration.*/
    adc_lld_vreg_on(adcp);
    adc_lld_calibrate(adcp);

    /* Master ADC enabled here in order to reduce conversions latencies.*/
    adc_lld_analog_on(adcp);
  }
}
开发者ID:nbars，项目名称:ChibiOS，代码行数:67，代码来源:adc_lld.c


示例4: PinSetupAlterFunc

void i2c_t::Init() {
    // GPIO
    PinSetupAlterFunc(PParams->PGpio, PParams->SclPin, omOpenDrain, pudNone, PParams->PinAF);
    PinSetupAlterFunc(PParams->PGpio, PParams->SdaPin, omOpenDrain, pudNone, PParams->PinAF);
#if I2C_USE_SEMAPHORE
    chBSemObjectInit(&BSemaphore, NOT_TAKEN);
#endif
    // I2C
    I2C_TypeDef *pi2c = PParams->pi2c;  // To make things shorter
    pi2c->CR1 = 0;  // Clear PE bit => disable and reset i2c
    if(pi2c == I2C1) {
        rccResetI2C1();
        rccEnableI2C1(FALSE);
    }
    else if(pi2c == I2C2) {
        rccResetI2C2();
        rccEnableI2C2(FALSE);
    }
    else if(pi2c == I2C3) {
        rccResetI2C3();
        rccEnableI2C3(FALSE);
    }
    pi2c->TIMINGR = PParams->Timing;    // setup timings
    // Analog filter enabled, digital disabled, clk stretch enabled, DMA enabled
    pi2c->CR1 = I2C_CR1_TXDMAEN | I2C_CR1_RXDMAEN;
    // DMA
    dmaStreamAllocate(STM32_DMA1_STREAM2, IRQ_PRIO_MEDIUM, nullptr, nullptr);
    dmaStreamAllocate(STM32_DMA1_STREAM3, IRQ_PRIO_MEDIUM, nullptr, nullptr);
    dmaStreamSetPeripheral(PParams->PDmaRx, &pi2c->RXDR);
    dmaStreamSetPeripheral(STM32_DMA1_STREAM2, &pi2c->TXDR);
    // IRQ
    nvicEnableVector(72, IRQ_PRIO_MEDIUM);
    nvicEnableVector(73, IRQ_PRIO_MEDIUM);
}
开发者ID:Kreyl，项目名称:Oven，代码行数:34，代码来源:i2cL476.cpp


示例5: PinSetupAlterFunc

void Uart_t::Init(uint32_t ABaudrate,
        GPIO_TypeDef *PGpioTx, const uint16_t APinTx,
        GPIO_TypeDef *PGpioRx, const uint16_t APinRx) {
#else
void Uart_t::Init(uint32_t ABaudrate, GPIO_TypeDef *PGpioTx, const uint16_t APinTx) {
#endif
    PinSetupAlterFunc(PGpioTx, APinTx, omPushPull, pudNone, UART_AF);
    IBaudrate = ABaudrate;
    // ==== USART configuration ====
    if     (UART == USART1) { rccEnableUSART1(FALSE); }
    else if(UART == USART2) { rccEnableUSART2(FALSE); }

#if defined STM32F072xB
    // Setup HSI as UART's clk src
    if(UART == USART1) RCC->CFGR3 |= RCC_CFGR3_USART1SW_HSI;
    else if(UART == USART2) RCC->CFGR3 |= RCC_CFGR3_USART2SW_HSI;
    OnAHBFreqChange();
#else
    OnAHBFreqChange();  // Setup baudrate
#endif

    UART->CR2 = 0;
#if UART_USE_DMA    // ==== DMA ====
    // Remap DMA request if needed
#if defined STM32F0XX
    if(UART_DMA_TX == STM32_DMA1_STREAM4) SYSCFG->CFGR1 |= SYSCFG_CFGR1_USART1TX_DMA_RMP;
#endif
    dmaStreamAllocate     (UART_DMA_TX, IRQ_PRIO_MEDIUM, CmdUartTxIrq, NULL);
    dmaStreamSetPeripheral(UART_DMA_TX, &UART_TX_REG);
    dmaStreamSetMode      (UART_DMA_TX, UART_DMA_TX_MODE);
    IDmaIsIdle = true;
#endif

#if UART_RX_ENABLED
    UART->CR1 = USART_CR1_TE | USART_CR1_RE;        // TX & RX enable
    UART->CR3 = USART_CR3_DMAT | USART_CR3_DMAR;    // Enable DMA at TX & RX

    PinSetupAlterFunc(PGpioRx, APinRx,  omOpenDrain, pudPullUp, UART_AF);

    // Remap DMA request if needed
#if defined STM32F0XX
    if(UART_DMA_RX == STM32_DMA1_STREAM5) SYSCFG->CFGR1 |= SYSCFG_CFGR1_USART1RX_DMA_RMP;
#endif

    dmaStreamAllocate     (UART_DMA_RX, IRQ_PRIO_LOW, nullptr, NULL);
    dmaStreamSetPeripheral(UART_DMA_RX, &UART_RX_REG);
    dmaStreamSetMemory0   (UART_DMA_RX, IRxBuf);
    dmaStreamSetTransactionSize(UART_DMA_RX, UART_RXBUF_SZ);
    dmaStreamSetMode      (UART_DMA_RX, UART_DMA_RX_MODE);
    dmaStreamEnable       (UART_DMA_RX);
    // Thread
    IPThd = chThdCreateStatic(waUartRxThread, sizeof(waUartRxThread), LOWPRIO, UartRxThread, NULL);
#else
    UART->CR1 = USART_CR1_TE;     // Transmitter enabled
#if UART_USE_DMA
    UART->CR3 = USART_CR3_DMAT;   // Enable DMA at transmitter
#endif
#endif
    UART->CR1 |= USART_CR1_UE;    // Enable USART
}
开发者ID:Kreyl，项目名称:Oven，代码行数:60，代码来源:uart.cpp


示例6: Standby

void i2c_t::Init(
        I2C_TypeDef *pi2c,
        GPIO_TypeDef *PGpio,
        uint16_t SclPin,
        uint16_t SdaPin,
        uint32_t BitrateHz,
        const stm32_dma_stream_t *APDmaTx,
        const stm32_dma_stream_t *APDmaRx
    ) {
    ii2c = pi2c;
    IPGpio = PGpio;
    ISclPin = SclPin;
    ISdaPin = SdaPin;
    IBitrateHz = BitrateHz;
    Standby();
    Resume();

    // ==== DMA ====
    // Here only unchanged parameters of the DMA are configured.
    DmaChnl = 3;   // I2C3
    if      (ii2c == I2C1) DmaChnl = 1;
    else if (ii2c == I2C2) DmaChnl = 7;

    // Setup Dma TX
    PDmaTx = APDmaTx;
    dmaStreamAllocate(PDmaTx, IRQ_PRIO_MEDIUM, i2cDmaIrqHandler, this);
    dmaStreamSetPeripheral(PDmaTx, &ii2c->DR);
    // Setup Dma RX
    PDmaRx = APDmaRx;
    dmaStreamAllocate(PDmaRx, IRQ_PRIO_MEDIUM, i2cDmaIrqHandler, this);
    //dmaStreamAllocate(PDmaRx, 1, i2cDmaRXIrqHandler, NULL);
    dmaStreamSetPeripheral(PDmaRx, &ii2c->DR);
}
开发者ID:Kreyl，项目名称:nute，代码行数:33，代码来源:kl_lib_f2xx.cpp


示例7: adc_lld_start

/**
 * @brief   Configures and activates the ADC peripheral.
 *
 * @param[in] adcp      pointer to the @p ADCDriver object
 *
 * @notapi
 */
void adc_lld_start(ADCDriver *adcp) {

  /* If in stopped state then enables the ADC and DMA clocks.*/
  if (adcp->state == ADC_STOP) {
#if STM32_ADC_USE_ADC1
    if (&ADCD1 == adcp) {
      bool b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      osalDbgAssert(!b, "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
      rccEnableADC1(FALSE);
    }
#endif /* STM32_ADC_USE_ADC1 */

#if STM32_ADC_USE_ADC2
    if (&ADCD2 == adcp) {
      bool b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC2_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      osalDbgAssert(!b, "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC2->DR);
      rccEnableADC2(FALSE);
    }
#endif /* STM32_ADC_USE_ADC2 */

#if STM32_ADC_USE_ADC3
    if (&ADCD3 == adcp) {
      bool b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC3_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      osalDbgAssert(!b, "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC3->DR);
      rccEnableADC3(FALSE);
    }
#endif /* STM32_ADC_USE_ADC3 */

    /* This is a common register but apparently it requires that at least one
       of the ADCs is clocked in order to allow writing, see bug 3575297.*/
    ADC->CCR = (ADC->CCR & (ADC_CCR_TSVREFE | ADC_CCR_VBATE)) |
               (STM32_ADC_ADCPRE << 16);

    /* ADC initial setup, starting the analog part here in order to reduce
       the latency when starting a conversion.*/
    adcp->adc->CR1 = 0;
    adcp->adc->CR2 = 0;
    adcp->adc->CR2 = ADC_CR2_ADON;
  }
}
开发者ID:bastien-roucaries，项目名称:ChibiOS，代码行数:62，代码来源:adc_lld.c


示例8: Standby

void i2c_t::Init(
        I2C_TypeDef *pi2c,
        GPIO_TypeDef *PGpio,
        uint16_t SclPin,
        uint16_t SdaPin,
        uint32_t BitrateHz,
        const stm32_dma_stream_t *APDmaTx,
        const stm32_dma_stream_t *APDmaRx
    ) {
    ii2c = pi2c;
    IPGpio = PGpio;
    ISclPin = SclPin;
    ISdaPin = SdaPin;
    IBitrateHz = BitrateHz;
    Standby();
    Resume();

    // ==== DMA ====
    // Here only unchanged parameters of the DMA are configured.
    uint16_t DmaChnl = 3;   // I2C3
    if      (ii2c == I2C1) DmaChnl = 1;
    else if (ii2c == I2C2) DmaChnl = 7;

    // Setup Dma TX
    PDmaTx = APDmaTx;
    dmaStreamAllocate(PDmaTx, IRQ_PRIO_MEDIUM, i2cDmaIrqHandler, this);
    dmaStreamSetPeripheral(PDmaTx, &ii2c->DR);
    dmaStreamSetMode      (PDmaTx,
            STM32_DMA_CR_CHSEL(DmaChnl) |
            DMA_PRIORITY_LOW |
            STM32_DMA_CR_MSIZE_BYTE |
            STM32_DMA_CR_PSIZE_BYTE |
            STM32_DMA_CR_MINC |         // Memory pointer increase
            STM32_DMA_CR_DIR_M2P |      // Direction is memory to peripheral
            STM32_DMA_CR_TCIE           // Enable Transmission Complete IRQ
             );

    // Setup Dma RX
    PDmaRx = APDmaRx;
    dmaStreamAllocate(PDmaRx, IRQ_PRIO_MEDIUM, i2cDmaIrqHandler, this);
    //dmaStreamAllocate(PDmaRx, 1, i2cDmaRXIrqHandler, NULL);
    dmaStreamSetPeripheral(PDmaRx, &ii2c->DR);
    dmaStreamSetMode      (PDmaRx,
            STM32_DMA_CR_CHSEL(DmaChnl) |
            DMA_PRIORITY_LOW |
            STM32_DMA_CR_MSIZE_BYTE |
            STM32_DMA_CR_PSIZE_BYTE |
            STM32_DMA_CR_MINC |         // Memory pointer increase
            STM32_DMA_CR_DIR_P2M        // Direction is peripheral to memory
            | STM32_DMA_CR_TCIE         // Enable Transmission Complete IRQ
             );
}
开发者ID:Kreyl，项目名称:nute，代码行数:52，代码来源:kl_lib_f2xx.cpp


示例9: adc_lld_start

/**
 * @brief   Configures and activates the ADC peripheral.
 *
 * @param[in] adcp      pointer to the @p ADCDriver object
 *
 * @notapi
 */
void adc_lld_start(ADCDriver *adcp) {

  /* If in stopped state then enables the ADC and DMA clocks.*/
  if (adcp->state == ADC_STOP) {
#if STM32_ADC_USE_ADC1
    if (&ADCD1 == adcp) {
      bool_t b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
      rccEnableADC1(FALSE);
    }
#endif /* STM32_ADC_USE_ADC1 */

#if STM32_ADC_USE_ADC2
    if (&ADCD2 == adcp) {
      bool_t b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC2_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      chDbgAssert(!b, "adc_lld_start(), #2", "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC2->DR);
      rccEnableADC2(FALSE);
    }
#endif /* STM32_ADC_USE_ADC2 */

#if STM32_ADC_USE_ADC3
    if (&ADCD3 == adcp) {
      bool_t b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC3_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      chDbgAssert(!b, "adc_lld_start(), #3", "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC3->DR);
      rccEnableADC3(FALSE);
    }
#endif /* STM32_ADC_USE_ADC3 */

    /* ADC initial setup, starting the analog part here in order to reduce
       the latency when starting a conversion.*/
    adcp->adc->CR1 = 0;
    adcp->adc->CR2 = 0;
    adcp->adc->CR2 = ADC_CR2_ADON;
  }
}
开发者ID:GHF，项目名称:gyroking，代码行数:57，代码来源:adc_lld.c


示例10: Standby

void i2c_t::Init() {
    Standby();
    Resume();
    // ==== DMA ====
    // Here only unchanged parameters of the DMA are configured.
#ifdef STM32F2XX
    if      (ii2c == I2C1) DmaChnl = 1;
    else if (ii2c == I2C2) DmaChnl = 7;
    else                   DmaChnl = 3;   // I2C3
#endif
    dmaStreamAllocate(PDmaTx, IRQ_PRIO_MEDIUM, i2cDmaIrqHandler, this);
    dmaStreamSetPeripheral(PDmaTx, &ii2c->DR);
    dmaStreamAllocate(PDmaRx, IRQ_PRIO_MEDIUM, i2cDmaIrqHandler, this);
    dmaStreamSetPeripheral(PDmaRx, &ii2c->DR);
}
开发者ID:Kreyl，项目名称:UsbHost，代码行数:15，代码来源:kl_lib.cpp


示例11: PinSetupAlterFuncOutput

void DbgUart_t::Init(uint32_t ABaudrate) {
    PWrite = TXBuf;
    PRead = TXBuf;
    ICountToSendNext = 0;
    IDmaIsIdle = true;
    PinSetupAlterFuncOutput(GPIOA, 9, omPushPull);      // TX1

    // ==== USART configuration ====
    rccEnableUSART1(FALSE);     // UART clock
    USART1->BRR = Clk.APB2FreqHz / ABaudrate;
    USART1->CR2 = 0;
    USART1->CR3 = USART_CR3_DMAT;   // Enable DMA at transmitter
    USART1->CR1 = USART_CR1_TE;     // Transmitter enabled

    // ==== DMA ====
    // Here only the unchanged parameters of the DMA are configured.
    dmaStreamAllocate     (STM32_DMA1_STREAM4, 1, DbgUartIrq, NULL);
    dmaStreamSetPeripheral(STM32_DMA1_STREAM4, &USART1->DR);
    dmaStreamSetMode      (STM32_DMA1_STREAM4,
            STM32_DMA_CR_PL(0b10) |     // Priority is high
            STM32_DMA_CR_MSIZE_BYTE |
            STM32_DMA_CR_PSIZE_BYTE |
            STM32_DMA_CR_MINC |         // Memory pointer increase
            STM32_DMA_CR_DIR_M2P |      // Direction is memory to peripheral
            STM32_DMA_CR_TCIE           // Enable Transmission Complete IRQ
             );
    USART1->CR1 |= USART_CR1_UE;        // Enable USART
}
开发者ID:Kreyl，项目名称:nute，代码行数:28，代码来源:kl_lib_f100.cpp


示例12: GDISP_LLD

	/**
	 * @brief   Fill an area with a color.
	 * @note    Optional - The high level driver can emulate using software.
	 *
	 * @param[in] x, y     The start filled area
	 * @param[in] cx, cy   The width and height to be filled
	 * @param[in] color    The color of the fill
	 *
	 * @notapi
	 */
	void GDISP_LLD(fillarea)(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
    
		#if GDISP_NEED_VALIDATION || GDISP_NEED_CLIP
			if (x < GDISP.clipx0) { cx -= GDISP.clipx0 - x; x = GDISP.clipx0; }
			if (y < GDISP.clipy0) { cy -= GDISP.clipy0 - y; y = GDISP.clipy0; }
			if (cx <= 0 || cy <= 0 || x >= GDISP.clipx1 || y >= GDISP.clipy1) return;
			if (x+cx > GDISP.clipx1)	cx = GDISP.clipx1 - x;
			if (y+cy > GDISP.clipy1)	cy = GDISP.clipy1 - y;
		#endif
		
		uint32_t area;
		area = cx*cy;

		GDISP_LLD(setwindow)(x, y, x+cx-1, y+cy-1);
		GDISP_LLD(writestreamstart)();

		#if defined(GDISP_USE_FSMC) && defined(GDISP_USE_DMA) && defined(GDISP_DMA_STREAM)
			uint8_t i;
			dmaStreamSetPeripheral(GDISP_DMA_STREAM, &color);
			dmaStreamSetMode(GDISP_DMA_STREAM, STM32_DMA_CR_PL(0) | STM32_DMA_CR_PSIZE_HWORD | STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_DIR_M2M);  
			for (i = area/65535; i; i--) {
				dmaStreamSetTransactionSize(GDISP_DMA_STREAM, 65535);
				dmaStreamEnable(GDISP_DMA_STREAM);
				dmaWaitCompletion(GDISP_DMA_STREAM);
			}
			dmaStreamSetTransactionSize(GDISP_DMA_STREAM, area%65535);
			dmaStreamEnable(GDISP_DMA_STREAM);
			dmaWaitCompletion(GDISP_DMA_STREAM);
		#else
			uint32_t index;
			for(index = 0; index < area; index++)
				GDISP_LLD(writedata)(color);
		#endif  //#ifdef GDISP_USE_DMA
}
开发者ID:lord67，项目名称:ChibiOS-GFX，代码行数:44，代码来源:gdisp_lld.c


示例13: PinSetupAlterFunc

void DbgUart_t::Init(uint32_t ABaudrate) {
    PWrite = TXBuf;
    PRead = TXBuf;
    ICountToSendNext = 0;
    IDmaIsIdle = true;
    //PinSetupAlterFunc(GPIOA, 9, omPushPull, pudNone, AF7);      // TX1
    PinSetupAlterFunc(GPIOA, 2, omPushPull, pudNone, AF7);      // TX2

    // ==== USART configuration ====
    UART_RCC_ENABLE();
    UART->BRR = Clk.APB2FreqHz / ABaudrate;
    UART->CR2 = 0;
    UART->CR3 = USART_CR3_DMAT;   // Enable DMA at transmitter
    UART->CR1 = USART_CR1_TE;     // Transmitter enabled

    // ==== DMA ====
    // Here only the unchanged parameters of the DMA are configured.
    dmaStreamAllocate     (UART_DMA, 1, DbgUartIrq, NULL);
    dmaStreamSetPeripheral(UART_DMA, &UART->DR);
    dmaStreamSetMode      (UART_DMA,
            STM32_DMA_CR_CHSEL(UART_DMA_CHNL) |
            DMA_PRIORITY_LOW |
            STM32_DMA_CR_MSIZE_BYTE |
            STM32_DMA_CR_PSIZE_BYTE |
            STM32_DMA_CR_MINC |         // Memory pointer increase
            STM32_DMA_CR_DIR_M2P |      // Direction is memory to peripheral
            STM32_DMA_CR_TCIE           // Enable Transmission Complete IRQ
             );
    UART->CR1 |= USART_CR1_UE;        // Enable USART
}
开发者ID:Kreyl，项目名称:WitcherGlove，代码行数:30，代码来源:kl_lib_f2xx.cpp


示例14: adc_lld_start

/**
 * @brief   Configures and activates the ADC peripheral.
 *
 * @param[in] adcp      pointer to the @p ADCDriver object
 *
 * @notapi
 */
void adc_lld_start(ADCDriver *adcp) {

  /* If in stopped state then enables the ADC and DMA clocks.*/
  if (adcp->state == ADC_STOP) {
#if STM32_ADC_USE_ADC1
    if (&ADCD1 == adcp) {
      bool_t b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
      rccEnableADC1(FALSE);
#if STM32_ADCSW == STM32_ADCSW_HSI14
      /* Clock from HSI14, no need for jitter removal.*/
      ADC1->CFGR2 = 0;
#else
#if STM32_ADCPRE == STM32_ADCPRE_DIV2
      ADC1->CFGR2 = ADC_CFGR2_JITOFFDIV2;
#else
      ADC1->CFGR2 = ADC_CFGR2_JITOFFDIV4;
#endif
#endif
    }
#endif /* STM32_ADC_USE_ADC1 */

    /* ADC initial setup, starting the analog part here in order to reduce
       the latency when starting a conversion.*/
    adcp->adc->CR = ADC_CR_ADEN;
    while (!(adcp->adc->ISR & ADC_ISR_ADRDY))
      ;
  }
}
开发者ID:Vijay1190，项目名称:rusefi，代码行数:41，代码来源:adc_lld.c


示例15: rccResetADC1

void Adc_t::Init() {
    rccResetADC1();
    rccEnableADC1(FALSE);           // Enable digital clock
    // Configure
    ADC1->CFGR1 = (ADC_CFGR1_CONT | ADC_CFGR1_DMAEN); // Enable Continuous mode and DMA request
    ADC1->CFGR2 = (0b01 << 30);     // Clock: PCLK/2
    // Setup channels
    ADC1->CHSELR = 0;
    for(uint8_t i=0; i < ADC_CHANNEL_CNT; i++) {
        ADC1->CHSELR |= (1 << AdcChannels[i]);
    }
    ADC1->SMPR = (uint32_t)ast55d5Cycles;       // Setup sampling time
    // Calibrate
    uint32_t cnt=0;
    ADC1->CR |= ADC_CR_ADCAL;   // Start calibration
    while(BitIsSet(ADC1->CR, ADC_CR_ADCAL)) {
        if(cnt++ >= 63000) {
            Uart.Printf("ADC calib fail\r");
            return;
        }
    }
    // Enable ADC
    ADC1->CR |= ADC_CR_ADEN;   // Enable ADC
    while(!BitIsSet(ADC1->ISR, ADC_ISR_ADRDY)); // Wait until ADC is ready
    // ==== DMA ====
    dmaStreamAllocate     (ADC_DMA, IRQ_PRIO_LOW, AdcTxIrq, NULL);
    dmaStreamSetPeripheral(ADC_DMA, &ADC1->DR);
    dmaStreamSetMode      (ADC_DMA, ADC_DMA_MODE);
//    Uart.Printf("ADC is set\r");
}
开发者ID:mavka，项目名称:mic_amp，代码行数:30，代码来源:kl_adc.cpp


示例16: sdc_lld_start

 */
void sdc_lld_start(SDCDriver *sdcp) {

  sdcp->dmamode = STM32_DMA_CR_CHSEL(DMA_CHANNEL) |
                  STM32_DMA_CR_PL(STM32_SDC_SDIO_DMA_PRIORITY) |
                  STM32_DMA_CR_PSIZE_WORD |
                  STM32_DMA_CR_MSIZE_WORD |
                  STM32_DMA_CR_MINC;

#if (defined(STM32F4XX) || defined(STM32F2XX))
  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_t b;
    b = dmaStreamAllocate(sdcp->dma, STM32_SDC_SDIO_IRQ_PRIORITY, NULL, NULL);
    chDbgAssert(!b, "i2c_lld_start(), #3", "stream already allocated");
    dmaStreamSetPeripheral(sdcp->dma, &SDIO->FIFO);
#if (defined(STM32F4XX) || defined(STM32F2XX))
    dmaStreamSetFIFO(sdcp->dma, STM32_DMA_FCR_DMDIS | STM32_DMA_FCR_FTH_FULL);
#endif
    nvicEnableVector(STM32_SDIO_NUMBER,
                     CORTEX_PRIORITY_MASK(STM32_SDC_SDIO_IRQ_PRIORITY));
    rccEnableSDIO(FALSE);
  }

  /* Configuration, card clock is initially stopped.*/
  SDIO->POWER  = 0;
  SDIO->CLKCR  = 0;
  SDIO->DCTRL  = 0;
  SDIO->DTIMER = 0;
开发者ID:Kreyl，项目名称:nute，代码行数:34，代码来源:sdc_lld.c


示例17: usart_support_init_tx

static void usart_support_init_tx(struct usart_support_s *sd)
{
  /* Setup TX DMA */
  dmaStreamSetMode(sd->tx.dma, sd->dmamode | STM32_DMA_CR_DIR_M2P |
                               STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE);
  dmaStreamSetPeripheral(sd->tx.dma, &sd->usart->DR);
}
开发者ID:Paakkit，项目名称:piksi_firmware，代码行数:7，代码来源:usart_support.c


示例18: PinSetupAlterFunc

void DbgUart_t::Init(uint32_t ABaudrate) {
    PWrite = TXBuf;
    PRead = TXBuf;
    ICountToSendNext = 0;
    IDmaIsIdle = true;
    PinSetupAlterFunc(GPIOA, 9, omPushPull, pudNone, AF7);      // TX1

    // ==== USART configuration ====
    rccEnableUSART1(FALSE);     // UART clock, no clock in low-power
    USART1->BRR = Clk.APB2FreqHz / 115200;
    USART1->CR2 = 0;
    USART1->CR3 = USART_CR3_DMAT;   // Enable DMA at transmitter
    USART1->CR1 = USART_CR1_TE;     // Transmitter enabled

    // ==== DMA ====
    // Here only the unchanged parameters of the DMA are configured.
    dmaStreamAllocate     (STM32_DMA2_STREAM7, 1, DbgUartIrq, NULL);
    dmaStreamSetPeripheral(STM32_DMA2_STREAM7, &USART1->DR);
    dmaStreamSetMode      (STM32_DMA2_STREAM7,
            STM32_DMA_CR_CHSEL(4) |     // DMA2 Stream7 Channel4 is USART1_TX request
            DMA_PRIORITY_LOW |
            STM32_DMA_CR_MSIZE_BYTE |
            STM32_DMA_CR_PSIZE_BYTE |
            STM32_DMA_CR_MINC |         // Memory pointer increase
            STM32_DMA_CR_DIR_M2P |      // Direction is memory to peripheral
            STM32_DMA_CR_TCIE           // Enable Transmission Complete IRQ
             );
    USART1->CR1 |= USART_CR1_UE;        // Enable USART
}
开发者ID:Kreyl，项目名称:nute，代码行数:29，代码来源:kl_lib_f2xx.cpp


示例19: qspi_lld_start

/**
 * @brief   Configures and activates the QSPI peripheral.
 *
 * @param[in] qspip     pointer to the @p QSPIDriver object
 *
 * @notapi
 */
void qspi_lld_start(QSPIDriver *qspip) {

  /* If in stopped state then full initialization.*/
  if (qspip->state == QSPI_STOP) {
#if STM32_QSPI_USE_QUADSPI1
    if (&QSPID1 == qspip) {
      bool b = dmaStreamAllocate(qspip->dma,
                                 STM32_QSPI_QUADSPI1_DMA_IRQ_PRIORITY,
                                 (stm32_dmaisr_t)qspi_lld_serve_dma_interrupt,
                                 (void *)qspip);
      osalDbgAssert(!b, "stream already allocated");
      rccEnableQUADSPI1(false);
    }
#endif

    /* Common initializations.*/
    dmaStreamSetPeripheral(qspip->dma, &qspip->qspi->DR);
  }

  /* QSPI setup and enable.*/
  qspip->qspi->DCR = qspip->config->dcr;
  qspip->qspi->CR  = ((STM32_QSPI_QUADSPI1_PRESCALER_VALUE - 1U) << 24U) |
                      QUADSPI_CR_TCIE | QUADSPI_CR_DMAEN | QUADSPI_CR_EN;
  qspip->qspi->FCR = QUADSPI_FCR_CTEF | QUADSPI_FCR_CTCF |
                     QUADSPI_FCR_CSMF | QUADSPI_FCR_CTOF;
}
开发者ID:devlware，项目名称:ChibiOS，代码行数:33，代码来源:hal_qspi_lld.c


示例20: adc_lld_start

/**
 * @brief   Configures and activates the ADC peripheral.
 *
 * @param[in] adcp      pointer to the @p ADCDriver object
 *
 * @notapi
 */
void adc_lld_start(ADCDriver *adcp) {

  /* If in stopped state then enables the ADC and DMA clocks.*/
  if (adcp->state == ADC_STOP) {
#if STM32_ADC_USE_ADC1
    if (&ADCD1 == adcp) {
      bool b;
      b = dmaStreamAllocate(adcp->dmastp,
                            STM32_ADC_ADC1_DMA_IRQ_PRIORITY,
                            (stm32_dmaisr_t)adc_lld_serve_rx_interrupt,
                            (void *)adcp);
      osalDbgAssert(!b, "stream already allocated");
      dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR);
      rccEnableADC1(FALSE);

      /* Clock settings.*/
      adcp->adc->CFGR2 = STM32_ADC_CKMODE;
    }
#endif /* STM32_ADC_USE_ADC1 */

    /* ADC initial setup, starting the analog part here in order to reduce
       the latency when starting a conversion.*/
    adcp->adc->CR = ADC_CR_ADEN;
    while (!(adcp->adc->ISR & ADC_ISR_ADRDY))
      ;
  }
}
开发者ID:kkndyu，项目名称:ChibiOS，代码行数:34，代码来源:adc_lld.c



注：本文中的dmaStreamSetPeripheral函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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