C++ RCC_APB2PeriphClockCmd函数代码示例

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本文整理汇总了C++中RCC_APB2PeriphClockCmd函数的典型用法代码示例。如果您正苦于以下问题：C++ RCC_APB2PeriphClockCmd函数的具体用法？C++ RCC_APB2PeriphClockCmd怎么用？C++ RCC_APB2PeriphClockCmd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RCC_APB2PeriphClockCmd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: motorsInit

//Initialization. Will set all motors ratio to 0%
void motorsInit()
{
  if (isInit)
    return;

  //Init structures
  GPIO_InitTypeDef GPIO_InitStructure;
  TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
  TIM_OCInitTypeDef  TIM_OCInitStructure;

  //Enable gpio and the timer
  RCC_APB2PeriphClockCmd( RCC_APB2Periph_AFIO 
	                    | MOTOR1_GPIO_PERIF
						| MOTOR2_GPIO_PERIF 
						| MOTOR3_GPIO_PERIF 
						| MOTOR4_GPIO_PERIF, ENABLE);

  RCC_APB1PeriphClockCmd( MOTOR1_TIM_PERIF 
	                    | MOTOR2_TIM_PERIF 
	                    | MOTOR3_TIM_PERIF
	                    | MOTOR4_TIM_PERIF, ENABLE);

  GPIO_AFIODeInit();  
  //Remap MOTO3 TIM
  GPIO_PinRemapConfig(MOTOR3_TIM_REMAP, ENABLE);

  //Remap MOTO4 TIM
  GPIO_PinRemapConfig(MOTOR4_TIM_REMAP, ENABLE);

  // Configure the GPIO for the MOTO1 output
  GPIO_InitStructure.GPIO_Pin = MOTOR1_GPIO_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(MOTOR1_GPIO_PORT, &GPIO_InitStructure);

  // Configure the GPIO for the MOTO2 output
  GPIO_InitStructure.GPIO_Pin = MOTOR2_GPIO_PIN;
  GPIO_Init(MOTOR2_GPIO_PORT, &GPIO_InitStructure);

  // Configure the GPIO for the MOTO3 output
  GPIO_InitStructure.GPIO_Pin = MOTOR3_GPIO_PIN;
  GPIO_Init(MOTOR3_GPIO_PORT, &GPIO_InitStructure);

  // Configure the GPIO for the MOTO2 output
  GPIO_InitStructure.GPIO_Pin = MOTOR4_GPIO_PIN;
  GPIO_Init(MOTOR4_GPIO_PORT, &GPIO_InitStructure);

  //Timer configuration
  TIM_TimeBaseStructure.TIM_Period = MOTORS_PWM_PERIOD;
  TIM_TimeBaseStructure.TIM_Prescaler = MOTORS_PWM_PRESCALE;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(MOTOR1_TIM, &TIM_TimeBaseStructure);

  TIM_TimeBaseStructure.TIM_Period = MOTORS_PWM_PERIOD;
  TIM_TimeBaseStructure.TIM_Prescaler = MOTORS_PWM_PRESCALE;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(MOTOR2_TIM, &TIM_TimeBaseStructure);

  TIM_TimeBaseStructure.TIM_Period = MOTORS_PWM_PERIOD;
  TIM_TimeBaseStructure.TIM_Prescaler = MOTORS_PWM_PRESCALE;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(MOTOR3_TIM, &TIM_TimeBaseStructure);

  TIM_TimeBaseStructure.TIM_Period = MOTORS_PWM_PERIOD;
  TIM_TimeBaseStructure.TIM_Prescaler = MOTORS_PWM_PRESCALE;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(MOTOR4_TIM, &TIM_TimeBaseStructure);

  //PWM channels configuration (All identical!)
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_Pulse = 0;
  TIM_OCInitStructure.TIM_OCPolarity = MOTORS_POLARITY;

  TIM_OC4Init(MOTOR1_TIM, &TIM_OCInitStructure);
  TIM_OC4PreloadConfig(MOTOR1_TIM, TIM_OCPreload_Enable);

  TIM_OC4Init(MOTOR2_TIM, &TIM_OCInitStructure);
  TIM_OC4PreloadConfig(MOTOR2_TIM, TIM_OCPreload_Enable);

  TIM_OC4Init(MOTOR3_TIM, &TIM_OCInitStructure);
  TIM_OC4PreloadConfig(MOTOR3_TIM, TIM_OCPreload_Enable);

  TIM_OC3Init(MOTOR4_TIM, &TIM_OCInitStructure);
  TIM_OC3PreloadConfig(MOTOR4_TIM, TIM_OCPreload_Enable);

  //Enable the timer
  TIM_Cmd(MOTOR1_TIM, ENABLE);
  TIM_Cmd(MOTOR2_TIM, ENABLE);
  TIM_Cmd(MOTOR3_TIM, ENABLE);
  TIM_Cmd(MOTOR4_TIM, ENABLE);
  //Enable the timer PWM outputs
  //TIM_CtrlPWMOutputs(MOTOR1_TIM, ENABLE);
  //TIM_CtrlPWMOutputs(MOTOR2_TIM, ENABLE);
  //TIM_CtrlPWMOutputs(MOTOR3_TIM, ENABLE);
//.........这里部分代码省略.........

开发者ID:nongxiaoming，项目名称:MiniQuadcopter，代码行数:101，代码来源:motors.c

示例2: systemInit

void systemInit(void)
{
    GPIO_InitTypeDef GPIO_InitStructure;
    //uint32_t i;

    //GPIO_InitTypeDef GPIO_InitStructure;
				/*RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOE, ENABLE);
				GPIO_InitStructure.GPIO_Pin = LED0_PIN | LED1_PIN | LED2_PIN| LED3_PIN;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
	      GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
        GPIO_Init(GPIOE, &GPIO_InitStructure);*/
				
	/* Configure the GPIO_LED pins */
	RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOD, ENABLE);
  GPIO_InitStructure.GPIO_Pin = LED0_PIN | LED1_PIN | LED2_PIN| LED3_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOD, &GPIO_InitStructure);			

#ifdef BUZZER
        {
	RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOD, ENABLE);
  GPIO_InitStructure.GPIO_Pin = BEEP_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;  
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;	
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
  GPIO_Init(GPIOD, &GPIO_InitStructure);				
    };

#endif

  //  uint8_t gpio_count = sizeof(gpio_cfg) / sizeof(gpio_cfg[0]);
		
	// This is needed because some shit inside Keil startup fucks with SystemCoreClock, setting it back to 72MHz even on HSI.
    //SystemCoreClockUpdate();
    SystemInit();

    // Turn on clocks for stuff we use
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM3 | RCC_APB1Periph_TIM4 | RCC_APB1Periph_TIM5 | RCC_APB1Periph_I2C2 | RCC_APB1Periph_SPI2 | RCC_APB1Periph_USART2 | RCC_APB1Periph_USART3 , ENABLE);
    RCC_APB2PeriphClockCmd( RCC_APB2Periph_TIM1 | RCC_APB2Periph_TIM8 | RCC_APB2Periph_ADC1 | RCC_APB2Periph_USART1 | RCC_APB2Periph_SPI1, ENABLE);
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOD | RCC_AHB1Periph_GPIOE | RCC_AHB1Periph_DMA2, ENABLE);
    RCC_ClearFlag();

    /*/ Make all GPIO in by default to save power and reduce noise
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    GPIO_Init(GPIOB, &GPIO_InitStructure);
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    // Turn off JTAG port 'cause we're using the GPIO for leds
    GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);

    // Configure gpio
    for (i = 0; i < gpio_count; i++) {
        GPIO_InitStructure.GPIO_Pin = gpio_cfg[i].pin;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
        GPIO_InitStructure.GPIO_Mode = gpio_cfg[i].mode;
        GPIO_Init(gpio_cfg[i].gpio, &GPIO_InitStructure);
    }*/

    LED0_ON;
    LED1_ON;
    //LED2_OFF;
    //LED3_OFF;
		
    BEEP_OFF;

    // Init cycle counter
    cycleCounterInit();

    // SysTick
    SysTick_Config(SystemCoreClock / 1000);

    // Configure the rest of the stuff
#ifndef FY90Q
    i2cInit(I2C2);
#endif
    //spiInit();

    // sleep for 100ms
    delay(100);
}

开发者ID:OxDuke，项目名称:MahoRotorF4-Discovery，代码行数:88，代码来源:drv_system.c

示例3: I2C_LowLevel_Init

/**
* @brief  Initializes peripherals: I2Cx, GPIO, DMA channels .
  * @param  None
  * @retval None
  */
void I2C_LowLevel_Init(I2C_TypeDef* I2Cx)
{
    GPIO_InitTypeDef  GPIO_InitStructure;
    I2C_InitTypeDef  I2C_InitStructure;

    /* GPIOB clock enable */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
    /* Enable the DMA1 clock */
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
    if (I2Cx == I2C1)
    {
        /* I2C1 clock enable */
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
        /* I2C1 SDA and SCL configuration */
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
        GPIO_Init(GPIOB, &GPIO_InitStructure);

        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
        GPIO_Init(GPIOB, &GPIO_InitStructure);

        /* Enable I2C1 reset state */
        RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, ENABLE);
        /* Release I2C1 from reset state */
        RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C1, DISABLE);
    }

    else /* I2Cx = I2C2 */

    {

        /* I2C2 clock enable */
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C2, ENABLE);
        /* I2C1 SDA and SCL configuration */
        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
        GPIO_Init(GPIOB, &GPIO_InitStructure);

        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
        GPIO_Init(GPIOB, &GPIO_InitStructure);

        /* Enable I2C2 reset state */
        RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, ENABLE);
        /* Release I2C2 from reset state */
        RCC_APB1PeriphResetCmd(RCC_APB1Periph_I2C2, DISABLE);
    }

    /* I2C1 and I2C2 configuration */
    I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
    I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
    I2C_InitStructure.I2C_OwnAddress1 = OwnAddress1;
    I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
    I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
    I2C_InitStructure.I2C_ClockSpeed = ClockSpeed;
    I2C_Init(I2C1, &I2C_InitStructure);
    I2C_InitStructure.I2C_OwnAddress1 = OwnAddress2;
    I2C_Init(I2C2, &I2C_InitStructure);

    if (I2Cx == I2C1)

    {   /* I2C1 TX DMA Channel configuration */
        DMA_DeInit(I2C1_DMA_CHANNEL_TX);
        I2CDMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)I2C1_DR_Address;
        I2CDMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)0;   /* This parameter will be configured durig communication */
        I2CDMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;    /* This parameter will be configured durig communication */
        I2CDMA_InitStructure.DMA_BufferSize = 0xFFFF;            /* This parameter will be configured durig communication */
        I2CDMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
        I2CDMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
        I2CDMA_InitStructure.DMA_PeripheralDataSize = DMA_MemoryDataSize_Byte;
        I2CDMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
        I2CDMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
        I2CDMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
        I2CDMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
        DMA_Init(I2C1_DMA_CHANNEL_TX, &I2CDMA_InitStructure);

        /* I2C1 RX DMA Channel configuration */
        DMA_DeInit(I2C1_DMA_CHANNEL_RX);
        DMA_Init(I2C1_DMA_CHANNEL_RX, &I2CDMA_InitStructure);
    }

    else /* I2Cx = I2C2 */

    {
        /* I2C2 TX DMA Channel configuration */
        DMA_DeInit(I2C2_DMA_CHANNEL_TX);
        I2CDMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)I2C2_DR_Address;
        I2CDMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)0;   /* This parameter will be configured durig communication */
        I2CDMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralDST;    /* This parameter will be configured durig communication */
        I2CDMA_InitStructure.DMA_BufferSize = 0xFFFF;            /* This parameter will be configured durig communication */
        I2CDMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
        I2CDMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
        I2CDMA_InitStructure.DMA_PeripheralDataSize = DMA_MemoryDataSize_Byte;
        I2CDMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
//.........这里部分代码省略.........

开发者ID:JinhoAndyPark，项目名称:ARM，代码行数:101，代码来源:I2CRoutines.c

示例4: init_USART1

/* This funcion initializes the USART1 peripheral
 *
 * Arguments: baudrate --> the baudrate at which the USART is
 * 						   supposed to operate
 */
void init_USART1(uint32_t baudrate){

	/* This is a concept that has to do with the libraries provided by ST
	 * to make development easier the have made up something similar to
	 * classes, called TypeDefs, which actually just define the common
	 * parameters that every peripheral needs to work correctly
	 *
	 * They make our life easier because we don't have to mess around with
	 * the low level stuff of setting bits in the correct registers
	 */
	GPIO_InitTypeDef GPIO_InitStruct; // this is for the GPIO pins used as TX and RX
	USART_InitTypeDef USART_InitStruct; // this is for the USART1 initilization
	NVIC_InitTypeDef NVIC_InitStructure; // this is used to configure the NVIC (nested vector interrupt controller)

	/* enable APB2 peripheral clock for USART1
	 * note that only USART1 and USART6 are connected to APB2
	 * the other USARTs are connected to APB1
	 */
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);

	/* enable the peripheral clock for the pins used by
	 * USART1, PB6 for TX and PB7 for RX
	 */
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);

	/* This sequence sets up the TX and RX pins
	 * so they work correctly with the USART1 peripheral
	 */
	GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; // Pins 6 (TX) and 7 (RX) are used
	GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF; 			// the pins are configured as alternate function so the USART peripheral has access to them
	GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;		// this defines the IO speed and has nothing to do with the baudrate!
	GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;			// this defines the output type as push pull mode (as opposed to open drain)
	GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;			// this activates the pullup resistors on the IO pins
	GPIO_Init(GPIOB, &GPIO_InitStruct);					// now all the values are passed to the GPIO_Init() function which sets the GPIO registers

	/* The RX and TX pins are now connected to their AF
	 * so that the USART1 can take over control of the
	 * pins
	 */
	GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_USART1); //
	GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_USART1);

	/* Now the USART_InitStruct is used to define the
	 * properties of USART1
	 */
	USART_InitStruct.USART_BaudRate = baudrate;				// the baudrate is set to the value we passed into this init function
	USART_InitStruct.USART_WordLength = USART_WordLength_8b;// we want the data frame size to be 8 bits (standard)
	USART_InitStruct.USART_StopBits = USART_StopBits_1;		// we want 1 stop bit (standard)
	USART_InitStruct.USART_Parity = USART_Parity_No;		// we don't want a parity bit (standard)
	USART_InitStruct.USART_HardwareFlowControl = USART_HardwareFlowControl_None; // we don't want flow control (standard)
	USART_InitStruct.USART_Mode = USART_Mode_Tx | USART_Mode_Rx; // we want to enable the transmitter and the receiver
	USART_Init(USART1, &USART_InitStruct);					// again all the properties are passed to the USART_Init function which takes care of all the bit setting


	/* Here the USART1 receive interrupt is enabled
	 * and the interrupt controller is configured
	 * to jump to the USART1_IRQHandler() function
	 * if the USART1 receive interrupt occurs
	 */
	USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); // enable the USART1 receive interrupt

	NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;		 // we want to configure the USART1 interrupts
	NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;// this sets the priority group of the USART1 interrupts
	NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;		 // this sets the subpriority inside the group
	NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;			 // the USART1 interrupts are globally enabled
	NVIC_Init(&NVIC_InitStructure);							 // the properties are passed to the NVIC_Init function which takes care of the low level stuff

	// finally this enables the complete USART1 peripheral
	USART_Cmd(USART1, ENABLE);
}

开发者ID:aidaneh，项目名称:Ring-LWE-Encryption，代码行数:75，代码来源:comm.c

示例5: SPI_RCC_Configuration

static void SPI_RCC_Configuration(void)
{
    RCC_APB1PeriphClockCmd(SD_SPI_CLK, ENABLE);
    RCC_APB2PeriphClockCmd(SD_SPI_GPIO_CLK, ENABLE);
}

开发者ID:AntonLynnyk，项目名称:Embedded，代码行数:5，代码来源:spi_sd.c

示例6: main

int main()
{
  RCC_ClocksTypeDef RCC_Clocks;
  GPIO_InitTypeDef GPIO_InitStructure;
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
  
	int rf_len = 0;
  int rs485_len = 0;
#if DEBUG
//  int usart_len = 0;
//	char buff_usart[BUFFER_SIZE];
#endif
	char buff_rf[BUFFER_SIZE];
	char buff_rs485[BUFFER_SIZE];
  
  unsigned int sensors_time_poll = 0;
//  int temp_time_poll = 0;
//  int sms_test_time = 0;
  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  GPIO_WriteBit(GPIOB, GPIO_Pin_9, Bit_SET); // off
  
	Delay_Init();
  
  Enrf24_init(CE_PIN, CSN_PIN, IRQ_PIN);
	Enrf24_begin(1000000, 0);  // Defaults 1Mbps, channel 0, max TX power
  
  Enrf24_setTXaddress((void*)enrf24_addr);
  Enrf24_setRXaddress((void*)enrf24_addr);
  
  Enrf24_enableRX();  // Start listening
	
#if DEBUG
	USART1_Init(115200);
#endif
	DS1307_Init();
  Sensors_Init();
  RS485_Init(115200);
	sim_hal_init(115200);
  OutputInit();
  
  if (ThesisInit() == THESIS_FLASH_ERROR)
	{
#if DEBUG
		USART1_SendStr("\nFlash write error.\n");
#endif
		TurnBuzzerOn();
		Delay(1000);
	}
  
#if DEBUG
	RCC_GetClocksFreq(&RCC_Clocks);
  USART1_SendStr("System Clock: ");
  USART1_SendNum(RCC_Clocks.SYSCLK_Frequency);
  USART1_SendStr("\r\n");
  
  
  USART1_SendStr("Device ID: ");
  USART1_SendByte(__flash_data.id, HEX);
  USART1_SendStr("\r\n");
  USART1_SendStr("Device Unique Number: ");
  USART1_SendByte(__flash_data.unique_number[0], HEX);
  USART1_SendByte(__flash_data.unique_number[1], HEX);
  USART1_SendByte(__flash_data.unique_number[2], HEX);
  USART1_SendByte(__flash_data.unique_number[3], HEX);
  USART1_SendStr("\r\n");
#endif
  
  
	OneWire_Init();
	for EVER
	{
    if (millis() - sensors_time_poll > 100)
    {
      led_toggle();
      Sensors_Poll();
      sensors_time_poll = millis();
      //      buzzer_toggle();
      //      output_toggle();
      if (millis() > 10000)
      {
        if (sensors.Gas >= GAS_LIMIT)
        {
#if DEBUG
          USART1_SendStr("Gas detected.\r\n");
          USART1_SendStr("Current Gas: ");
          USART1_SendFloat(sensors.Gas);
          USART1_SendStr("Limited Gas: ");
          USART1_SendFloat(GAS_LIMIT);
          USART1_SendStr("\r\n");
#endif
          TurnBuzzerOn();
          TurnSpeakerOn();
          TurnRelayOn();
        }
        else if (sensors.Lighting >= LIGHT_LIMIT)
        {
//.........这里部分代码省略.........

开发者ID:tqkhcmut，项目名称:SensorsHostSTM32F1，代码行数:101，代码来源:main.c

示例7: LCD_Init

/*
 ******************************************************************************
 *函数：void LCD_GPIOInit(void)
 *输入：void
 *输出：void
 *描述：LCD初始化
 ******************************************************************************
 */
void LCD_Init(void)
{
  LTDC_InitTypeDef       LTDC_InitStruct;
  LTDC_Layer_InitTypeDef LTDC_Layer_InitStruct;
  LTDC_Layer_TypeDef     LTDC_Layerx;
  
	
  /* IO口初始化 */
  LCD_GPIOInit();
	
  LCD_DisplayOff();
  /* 使能LCD时钟 */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_LTDC, ENABLE);
  /* 使能DMA失踪*/
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2D, ENABLE);
	
  /* 水平同步信号---低电平有效 */
  LTDC_InitStruct.LTDC_HSPolarity = LTDC_HSPolarity_AL;     
  /* 垂直同步信号---低电平有效 */  
  LTDC_InitStruct.LTDC_VSPolarity = LTDC_VSPolarity_AL;     
  /* 数据使能信号---低电平有效 */
  LTDC_InitStruct.LTDC_DEPolarity = LTDC_DEPolarity_AL;     
  /* 像素时钟配置--- */ 
  LTDC_InitStruct.LTDC_PCPolarity = LTDC_DEPolarity_AL;
	/* LCD背光设置 */
  LTDC_InitStruct.LTDC_BackgroundRedValue = 0;            
  LTDC_InitStruct.LTDC_BackgroundGreenValue = 0;          
  LTDC_InitStruct.LTDC_BackgroundBlueValue = 0;  	
  /*
   ****************************************************************************
   *PLLSAI_VCO = HSE*PLLSAI_N / PLL_M = 8 * 192 / 8 = 192MHz
   *PLLLCDCLK = PLLSAI_VCO / PLLSAI_R = 192 / 3 = 64 Mhz
   *LTDC clock frequency = PLLLCDCLK / RCC_PLLSAIDivR = 64 / 8 = 8 Mhz
   ****************************************************************************
   */
  RCC_PLLSAIConfig(192, 7, 3);
  RCC_LTDCCLKDivConfig(RCC_PLLSAIDivR_Div4);	
  /* 使能PLLSAI时钟 */
  RCC_PLLSAICmd(ENABLE);
  /* 等待PLLSAI时钟 */
  while(RCC_GetFlagStatus(RCC_FLAG_PLLSAIRDY) == RESET){}
  /*  */
  LTDC_InitStruct.LTDC_HorizontalSync = 40;
  /*  */
  LTDC_InitStruct.LTDC_VerticalSync = 9;
  /*  */
  LTDC_InitStruct.LTDC_AccumulatedHBP = 42; 
  /*  */
  LTDC_InitStruct.LTDC_AccumulatedVBP = 11;  
  /*  */
  LTDC_InitStruct.LTDC_AccumulatedActiveW = 522;
  /*  */
  LTDC_InitStruct.LTDC_AccumulatedActiveH = 283;
  /*  */
  LTDC_InitStruct.LTDC_TotalWidth = 524; 
  /*  */
  LTDC_InitStruct.LTDC_TotalHeigh = 285;
            
  LTDC_Init(&LTDC_InitStruct);
		
  LTDC_Layer_InitStruct.LTDC_HorizontalStart = 43;
  LTDC_Layer_InitStruct.LTDC_HorizontalStop = (480 + 43 - 1); 
  LTDC_Layer_InitStruct.LTDC_VarticalStart = 12;
  LTDC_Layer_InitStruct.LTDC_VerticalStop = (272 + 12 - 1);	

  /* Pixel Format configuration*/            
  LTDC_Layer_InitStruct.LTDC_PixelFormat = LTDC_Pixelformat_RGB565;
  /* Alpha constant (255 totally opaque) */
  LTDC_Layer_InitStruct.LTDC_ConstantAlpha = 255; 
  /* Default Color configuration (configure A,R,G,B component values) */          
  LTDC_Layer_InitStruct.LTDC_DefaultColorBlue = 0;        
  LTDC_Layer_InitStruct.LTDC_DefaultColorGreen = 0;       
  LTDC_Layer_InitStruct.LTDC_DefaultColorRed = 0;         
  LTDC_Layer_InitStruct.LTDC_DefaultColorAlpha = 0;
  /* Configure blending factors */       
  LTDC_Layer_InitStruct.LTDC_BlendingFactor_1 = LTDC_BlendingFactor1_CA;    
  LTDC_Layer_InitStruct.LTDC_BlendingFactor_2 = LTDC_BlendingFactor2_CA;
  /* the length of one line of pixels in bytes + 3 then :
     Line Lenth = Active high width x number of bytes per pixel + 3 
     Active high width         = LCD_PIXEL_WIDTH 
     number of bytes per pixel = 2    (pixel_format : RGB565) 
  */
  LTDC_Layer_InitStruct.LTDC_CFBLineLength = ((480 * 2) + 3);
  /*  the pitch is the increment from the start of one line of pixels to the 
      start of the next line in bytes, then :
      Pitch = Active high width x number of bytes per pixel     
  */ 
  LTDC_Layer_InitStruct.LTDC_CFBPitch = (480 * 2);
  /* configure the number of lines */  
  LTDC_Layer_InitStruct.LTDC_CFBLineNumber = 272;

  /* Input Address configuration */    
//.........这里部分代码省略.........

开发者ID:ShaohuiZhu，项目名称:Haier，代码行数:101，代码来源:lcd.c

示例8: main

/**
  * @brief  Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured,
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f10x_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f10x.c file
     */

  /* Configure all unused GPIO port pins in Analog Input mode (floating input
     trigger OFF), this will reduce the power consumption and increase the device
     immunity against EMI/EMC *************************************************/
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
                         RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
                         RCC_APB2Periph_GPIOE, ENABLE);

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
  GPIO_Init(GPIOA, &GPIO_InitStructure);
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  GPIO_Init(GPIOC, &GPIO_InitStructure);
  GPIO_Init(GPIOD, &GPIO_InitStructure);
  GPIO_Init(GPIOE, &GPIO_InitStructure);

  a = 0;
  while (1) {

      a++;
      a--;
      a *= 2;
      a -= 3;
  }

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
                         RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
                         RCC_APB2Periph_GPIOE, DISABLE);
#ifdef USE_STM3210E_EVAL
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, ENABLE);

  GPIO_Init(GPIOF, &GPIO_InitStructure);
  GPIO_Init(GPIOG, &GPIO_InitStructure);
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG, DISABLE);
#endif /* USE_STM3210E_EVAL */

  /* Initialize Leds mounted on STM3210X-EVAL board */
  STM_EVAL_LEDInit(LED1);
  STM_EVAL_LEDInit(LED2);
  STM_EVAL_LEDInit(LED3);
  STM_EVAL_LEDInit(LED4);

  while (1)
  {
    /* Turn on LD1 */
    STM_EVAL_LEDOn(LED1);
    /* Insert delay */
    Delay(0xAFFFF);

    /* Turn on LD2 and LD3 */
    STM_EVAL_LEDOn(LED2);
    STM_EVAL_LEDOn(LED3);
    /* Turn off LD1 */
    STM_EVAL_LEDOff(LED1);
    /* Insert delay */
    Delay(0xAFFFF);

    /* Turn on LD4 */
    STM_EVAL_LEDOn(LED4);
    /* Turn off LD2 and LD3 */
    STM_EVAL_LEDOff(LED2);
    STM_EVAL_LEDOff(LED3);
    /* Insert delay */
    Delay(0xAFFFF);

    /* Turn off LD4 */
    STM_EVAL_LEDOff(LED4);
  }
}

开发者ID:BackupTheBerlios，项目名称:cbmcu，代码行数:82，代码来源:main.c

示例9: USB_OTG_BSP_Init

void USB_OTG_BSP_Init(USB_OTG_CORE_HANDLE *pdev)
{

  GPIO_InitTypeDef GPIO_InitStructure;   
#ifdef USE_USB_OTG_FS 
 
  RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA , ENABLE);  
  
  /* Configure SOF ID DM DP Pins */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8  | 
                                GPIO_Pin_11 | 
                                GPIO_Pin_12;
  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
  
  GPIO_PinAFConfig(GPIOA,GPIO_PinSource8,GPIO_AF_OTG1_FS) ;
  GPIO_PinAFConfig(GPIOA,GPIO_PinSource11,GPIO_AF_OTG1_FS) ; 
  GPIO_PinAFConfig(GPIOA,GPIO_PinSource12,GPIO_AF_OTG1_FS) ;
  
  /* Configure  VBUS Pin */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  GPIO_Init(GPIOA, &GPIO_InitStructure);    
  
  /* Configure ID pin */
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_10;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
  GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_OTG1_FS) ;   


  RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
  RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_OTG_FS, ENABLE) ; 
#else // USE_USB_OTG_HS 

  RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | 
                         RCC_AHB1Periph_GPIOC, ENABLE);    
  
  
  GPIO_PinAFConfig(GPIOA,GPIO_PinSource3, GPIO_AF_OTG2_HS) ; // D0
  GPIO_PinAFConfig(GPIOA,GPIO_PinSource5, GPIO_AF_OTG2_HS) ; // CLK
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource0, GPIO_AF_OTG2_HS) ; // D1
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource1, GPIO_AF_OTG2_HS) ; // D2
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource10,GPIO_AF_OTG2_HS) ; // D3
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource11,GPIO_AF_OTG2_HS) ; // D4
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource12,GPIO_AF_OTG2_HS) ; // D5
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource13,GPIO_AF_OTG2_HS) ; // D6
  GPIO_PinAFConfig(GPIOB,GPIO_PinSource5, GPIO_AF_OTG2_HS) ; // D7
  GPIO_PinAFConfig(GPIOC,GPIO_PinSource3, GPIO_AF_OTG2_HS) ; // NXT
  GPIO_PinAFConfig(GPIOC,GPIO_PinSource2, GPIO_AF_OTG2_HS) ; // DIR
  GPIO_PinAFConfig(GPIOC,GPIO_PinSource0, GPIO_AF_OTG2_HS) ; // STP
  
  // CLK
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 ; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
  
  // D0
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3  ; 
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  GPIO_Init(GPIOA, &GPIO_InitStructure);  
  
  
  // D1 D2 D3 D4 D5 D6 D7
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1  |
                                GPIO_Pin_5 | GPIO_Pin_10 | 
                                GPIO_Pin_11| GPIO_Pin_12 | 
                                GPIO_Pin_13 ;
  
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  GPIO_Init(GPIOB, &GPIO_InitStructure);  
  
  
  // STP NXT DIR
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_2 | GPIO_Pin_3;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_Init(GPIOC, &GPIO_InitStructure); 
  
	/* Configure pin for OTG_HOST RST */
  RCC_AHB1PeriphClockCmd(OTG_HS_RST_PORT_RCC, ENABLE);

  //RST
  GPIO_InitStructure.GPIO_Pin = OTG_HS_RST_PIN ; 
//.........这里部分代码省略.........

开发者ID:JohannesF83，项目名称:STM32F4，代码行数:101，代码来源:usb_bsp.c

示例10: PIOS_TIM_InitClock

int32_t PIOS_TIM_InitClock(const struct pios_tim_clock_cfg *cfg)
{
    PIOS_DEBUG_Assert(cfg);

    /* Enable appropriate clock to timer module */
    switch ((uint32_t)cfg->timer) {
    case (uint32_t)TIM1:
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
        break;
    case (uint32_t)TIM2:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
        break;
    case (uint32_t)TIM3:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
        break;
    case (uint32_t)TIM4:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
        break;
    case (uint32_t)TIM5:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
        break;
    case (uint32_t)TIM6:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);
        break;
    case (uint32_t)TIM7:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7, ENABLE);
        break;
    case (uint32_t)TIM8:
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8, ENABLE);
        break;
    case (uint32_t)TIM9:
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM9, ENABLE);
        break;
    case (uint32_t)TIM10:
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM10, ENABLE);
        break;
    case (uint32_t)TIM11:
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM11, ENABLE);
        break;
    case (uint32_t)TIM12:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM12, ENABLE);
        break;
    case (uint32_t)TIM13:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM13, ENABLE);
        break;
    case (uint32_t)TIM14:
        RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM14, ENABLE);
        break;
    }

    /* Configure the dividers for this timer */
    TIM_TimeBaseInit(cfg->timer, cfg->time_base_init);

    /* Configure internal timer clocks */
    TIM_InternalClockConfig(cfg->timer);

    /* Enable timers */
    TIM_Cmd(cfg->timer, ENABLE);

    /* Enable Interrupts */
    NVIC_Init(&cfg->irq.init);

    return 0;
}

开发者ID:Alex-Rongzhen-Huang，项目名称:OpenPilot，代码行数:64，代码来源:pios_tim.c

示例11: SPI_LCD_Init

/*******************************************************************************
* Function Name  : SPI_LCD_Init
* Description    : Initializes the peripherals used by the SPI FLASH driver.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void SPI_LCD_Init(void)
{
  SPI_InitTypeDef  SPI_InitStructure;
  GPIO_InitTypeDef GPIO_InitStructure;

#if USE_SPI
  /* Enable LCD_SPIx and GPIO clocks */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
#endif

  RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIO_RS |RCC_APB2Periph_GPIO_REST |
                         RCC_APB2Periph_GPIO_CS, ENABLE);
#if USE_SPI
  /* Configure LCD_SPIx pins: SCK, MISO and MOSI */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15 /*| GPIO_Pin_14  miso*/ | GPIO_Pin_13;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
#else
   /* Configure LCD_SPIx pins: SCK, MISO and MOSI */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15 /*| GPIO_Pin_14  miso*/ | GPIO_Pin_13;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  SPI_LCD_CLK(1);
     
#endif
	//REST 
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_REST;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIO_REST, &GPIO_InitStructure);

	// rs pin config
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_RS;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIO_RS, &GPIO_InitStructure);

  /* Configure I/O for Flash Chip select */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_CS;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIO_CS, &GPIO_InitStructure);

  /* Deselect the FLASH: Chip Select high */
  SPI_LCD_CS_HIGH();

 #if USE_SPI
  /* LCD_SPIx configuration */
  SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
  SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
  SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
  SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
  SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
  SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4;
  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  SPI_InitStructure.SPI_CRCPolynomial = 7;
  SPI_Init(LCD_SPIx, &SPI_InitStructure);

  /* Enable LCD_SPIx  */
  SPI_Cmd(LCD_SPIx, ENABLE);
#endif
}

开发者ID:Blade87，项目名称:contiki-stm32f10x-iar，代码行数:69，代码来源:spi_lcd.c

示例12: ADC3_CH13_Config

void ADC3_CH13_Config(void)
{

    ADC_InitTypeDef       ADC_InitStructure;
    ADC_CommonInitTypeDef ADC_CommonInitStructure;
    DMA_InitTypeDef       DMA_InitStructure;
    GPIO_InitTypeDef      GPIO_InitStructure;

    /* Enable ADC3, DMA2 and GPIO clocks ****************************************/

    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOC, ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);

    /* DMA2 Stream0 channel2 configuration **************************************/
    DMA_InitStructure.DMA_Channel = DMA_Channel_2;  
    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC3_DR_ADDRESS;
    DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&base;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
    DMA_InitStructure.DMA_BufferSize = 1;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;         
    DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
    DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
    DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
    DMA_Init(DMA2_Stream0, &DMA_InitStructure);
    DMA_Cmd(DMA2_Stream0, ENABLE);

    /* Configure ADC3 Channel13 pin as analog input ******************************/
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
    GPIO_Init(GPIOC, &GPIO_InitStructure);

    /* ADC Common Init **********************************************************/
    ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
    ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
    ADC_CommonInit(&ADC_CommonInitStructure);

    /* ADC3 Init ****************************************************************/
    ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
    ADC_InitStructure.ADC_ScanConvMode = DISABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1; 
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfConversion = 1;
    ADC_Init(ADC3, &ADC_InitStructure);

    /* ADC3 regular channel13 configuration *************************************/
    ADC_RegularChannelConfig(ADC3, ADC_Channel_13, 1, ADC_SampleTime_3Cycles);

    /* Enable DMA request after last transfer (Single-ADC mode) */
    ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);

    /* Enable ADC3 DMA */
    ADC_DMACmd(ADC3, ENABLE);

    /* Enable ADC3 */
    ADC_Cmd(ADC3, ENABLE);
}

开发者ID:rtenv-plus-stm32f4，项目名称:guitar-tuner，代码行数:67，代码来源:main.c

示例13: SD_LowLevel_Init

/**
  * @brief  Initializes the SD Card and put it into StandBy State (Ready for 
  *         data transfer).
  * @param  None
  * @retval None
  */
void SD_LowLevel_Init(void)
{
  GPIO_InitTypeDef  GPIO_InitStructure;
  SPI_InitTypeDef   SPI_InitStructure;

  /*!< SD_SPI_CS_GPIO, SD_SPI_MOSI_GPIO, SD_SPI_MISO_GPIO, SD_SPI_DETECT_GPIO 
       and SD_SPI_SCK_GPIO Periph clock enable */
  RCC_AHBPeriphClockCmd(SD_CS_GPIO_CLK | SD_SPI_MOSI_GPIO_CLK | SD_SPI_MISO_GPIO_CLK |
                        SD_SPI_SCK_GPIO_CLK | SD_DETECT_GPIO_CLK, ENABLE);

  /*!< SD_SPI Periph clock enable */
  RCC_APB2PeriphClockCmd(SD_SPI_CLK, ENABLE); 

  /*!< Configure SD_SPI pins: SCK */
  GPIO_InitStructure.GPIO_Pin = SD_SPI_SCK_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_UP;
  GPIO_Init(SD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);

  /*!< Configure SD_SPI pins: MISO */
  GPIO_InitStructure.GPIO_Pin = SD_SPI_MISO_PIN;
  GPIO_Init(SD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);

  /*!< Configure SD_SPI pins: MOSI */
  GPIO_InitStructure.GPIO_Pin = SD_SPI_MOSI_PIN;
  GPIO_Init(SD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);

  /*!< Configure SD_SPI_CS_PIN pin: SD Card CS pin */
  GPIO_InitStructure.GPIO_Pin = SD_CS_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructure);

  /*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */
  GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
  GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure);

  /* Connect PXx to SD_SPI_SCK */
  GPIO_PinAFConfig(SD_SPI_SCK_GPIO_PORT, SD_SPI_SCK_SOURCE, SD_SPI_SCK_AF);

  /* Connect PXx to SD_SPI_MISO */
  GPIO_PinAFConfig(SD_SPI_MISO_GPIO_PORT, SD_SPI_MISO_SOURCE, SD_SPI_MISO_AF); 

  /* Connect PXx to SD_SPI_MOSI */
  GPIO_PinAFConfig(SD_SPI_MOSI_GPIO_PORT, SD_SPI_MOSI_SOURCE, SD_SPI_MOSI_AF);  
  
  /*!< SD_SPI Config */
  SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
  SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
  SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
  SPI_InitStructure.SPI_CPOL = SPI_CPOL_High;
  SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
  SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
  SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;

  SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
  SPI_InitStructure.SPI_CRCPolynomial = 7;
  SPI_Init(SD_SPI, &SPI_InitStructure);
  
  SPI_RxFIFOThresholdConfig(SD_SPI, SPI_RxFIFOThreshold_QF);
  
  SPI_Cmd(SD_SPI, ENABLE); /*!< SD_SPI enable */
}

开发者ID:Leon0820，项目名称:stm32，代码行数:75，代码来源:stm320518_eval.c

示例14: setup_res

// Setup Resolver Interface
// TIM8 triggers ADC1 and 2 at 20kHz
// TIM8 OC1 generates resolver reference signal at 10kHz
// DMA2 moves 4 samples to memory, generates transfer complete interrupt at 5kHz
void setup_res(){
    //resolver timer
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8, ENABLE);

    TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
    TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseStructure.TIM_Period = 420*2;//20kHz
    TIM_TimeBaseStructure.TIM_Prescaler = 9;
    TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
    TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure);
    TIM_ITConfig(TIM8, TIM_IT_Update, DISABLE);
    TIM_SelectOutputTrigger(TIM8, TIM_TRGOSource_Update);//trigger ADC

    //resolver ref signal generation
    RCC_AHB1PeriphClockCmd(RES_IO_RCC, ENABLE);
    GPIO_InitStructure.GPIO_Pin   = RES_PIN;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
    GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
    GPIO_Init(RES_PORT, &GPIO_InitStructure);

    GPIO_PinAFConfig(RES_PORT, GPIO_PinSource5, GPIO_AF_TIM8);

    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle;
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable;
    TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
    TIM_OCInitStructure.TIM_Pulse = 300;
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
    TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;
    TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
    TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;

    TIM_OC1Init(TIM8, &TIM_OCInitStructure);
    TIM_OC1PreloadConfig(TIM8, TIM_OCPreload_Enable);
    TIM_CtrlPWMOutputs(TIM8, ENABLE);

    RCC_AHB1PeriphClockCmd(SIN_IO_RCC, ENABLE);
    RCC_AHB1PeriphClockCmd(COS_IO_RCC, ENABLE);
    /* ADC clock enable */
    RCC_APB2PeriphClockCmd(SIN_ADC_RCC | COS_ADC_RCC, ENABLE);

    //Analog pin configuration
    GPIO_InitStructure.GPIO_Pin = SIN_PIN;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
    GPIO_Init(SIN_PORT,&GPIO_InitStructure);

    GPIO_InitStructure.GPIO_Pin = COS_PIN;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
    GPIO_Init(COS_PORT,&GPIO_InitStructure);

    //ADC structure configuration
    ADC_DeInit();

    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//data converted will be shifted to right
    ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;//Input voltage is converted into a 12bit number giving a maximum value of 4096
    ADC_InitStructure.ADC_ContinuousConvMode = DISABLE; //the conversion is continuous, the input data is converted more than once
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T8_TRGO;//trigger on rising edge of TIM8
    ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_Rising;
    ADC_InitStructure.ADC_NbrOfConversion = ADC_ANZ;//I think this one is clear :p
    ADC_InitStructure.ADC_ScanConvMode = ENABLE;//The scan is configured in one channel
    ADC_Init(SIN_ADC, &ADC_InitStructure);//Initialize ADC with the previous configuration
    ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
    ADC_Init(COS_ADC, &ADC_InitStructure);//Initialize ADC with the previous configuration

    ADC_CommonInitTypeDef ADC_CommonInitStructure;
    ADC_CommonInitStructure.ADC_Mode = ADC_DualMode_RegSimult;
    ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4;
    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_2;
    ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
    ADC_CommonInit(&ADC_CommonInitStructure);

    for(int i = 1;i<=ADC_ANZ;i++){
        ADC_RegularChannelConfig(SIN_ADC, SIN_ADC_CHAN, i, RES_SampleTime);
        ADC_RegularChannelConfig(COS_ADC, COS_ADC_CHAN, i, RES_SampleTime);
    }

    ADC_MultiModeDMARequestAfterLastTransferCmd(ENABLE);

    //Enable ADC conversion
    ADC_Cmd(SIN_ADC,ENABLE);
    ADC_Cmd(COS_ADC,ENABLE);

    // Clock Enable
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);

    // DMA-Disable
    DMA_Cmd(DMA2_Stream0, DISABLE);
    DMA_DeInit(DMA2_Stream0);

    // DMA2-Config
    DMA_InitStructure.DMA_Channel = DMA_Channel_0;
    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC->CDR;
    DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC_DMA_Buffer;
//.........这里部分代码省略.........

开发者ID:unseenlaser，项目名称:stmbl，代码行数:101，代码来源:setup.c

示例15: LIS302DL_LowLevel_Init

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C++ RCC_APB2PeriphClockCmd函数代码示例

示例1: motorsInit

示例2: systemInit

示例3: I2C_LowLevel_Init

示例4: init_USART1

示例5: SPI_RCC_Configuration

示例6: main

示例7: LCD_Init

示例8: main

示例9: USB_OTG_BSP_Init

示例10: PIOS_TIM_InitClock

示例11: SPI_LCD_Init

示例12: ADC3_CH13_Config

示例13: SD_LowLevel_Init

示例14: setup_res

示例15: LIS302DL_LowLevel_Init

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