Exemplos de i2cdevResetBusI2c1 em C++ (Cpp)

Exemplo n.º 1

Arquivo: i2cdev.c Projeto: mrnguyen211190/miniBalance

int i2cdevInit(I2C_TypeDef *I2Cx)
{
  if (I2Cx == I2C1)
  {
    i2cdevResetBusI2c1();

    vSemaphoreCreateBinary(i2cdevDmaEventI2c1);
  }
  else if (I2Cx == I2C2)
  {
    i2cdevResetBusI2c2();

    vSemaphoreCreateBinary(i2cdevDmaEventI2c2);
  }
  else
  {
    return false;
  }
  
  return true;
}

Exemplo n.º 2

Arquivo: i2cdev.c Projeto: AccEvo/crazyflie_firmware_keil_gcc

int i2cdevInit(I2C_TypeDef *I2Cx)
{
  NVIC_InitTypeDef NVIC_InitStructure;
  
  if (I2Cx == I2C1)
  {
    i2cdevResetBusI2c1();
    // Enable the DMA1 channel6 Interrupt
    NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel6_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    // Enable the DMA1 channel7 Interrupt
    NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel7_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    // Enable the I2C error interrupt
    NVIC_InitStructure.NVIC_IRQChannel = I2C1_ER_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    DMA_ITConfig(DMA1_Channel6, DMA_IT_TC, ENABLE);
    DMA_ITConfig(DMA1_Channel7, DMA_IT_TC, ENABLE);
    vSemaphoreCreateBinary(i2cdevDmaEventI2c1);
  }
  else if (I2Cx == I2C2)
  {
    I2C_LowLevel_Init(I2Cx);
    // Enable the DMA1 channel4 Interrupt
    NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel4_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    // Enable the DMA1 channel5 Interrupt
    NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel5_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    // Enable the I2C error interrupt
    NVIC_InitStructure.NVIC_IRQChannel = I2C2_ER_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = NVIC_ADC_PRI;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    DMA_ITConfig(DMA1_Channel4, DMA_IT_TC, ENABLE);
    DMA_ITConfig(DMA1_Channel5, DMA_IT_TC, ENABLE);
    vSemaphoreCreateBinary(i2cdevDmaEventI2c2);
  }
  else
  {
    return FALSE;
  }
  
  return TRUE;
}