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15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.........
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);
}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.........
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);
}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);
}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.........
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(<DC_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.........
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);
}
}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.........
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;
}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
}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);
}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 */
}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.........
示例15: LIS302DL_LowLevel_Init
/**
* @brief Initializes the low level interface used to drive the LIS302DL
* @param None
* @retval None
*/
static void LIS302DL_LowLevel_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
/* Enable the SPI periph */
RCC_APB2PeriphClockCmd(LIS302DL_SPI_CLK, ENABLE);
/* Enable SCK, MOSI and MISO GPIO clocks */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_SCK_GPIO_CLK | LIS302DL_SPI_MISO_GPIO_CLK | LIS302DL_SPI_MOSI_GPIO_CLK, ENABLE);
/* Enable CS GPIO clock */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_CS_GPIO_CLK, ENABLE);
/* Enable INT1 GPIO clock */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_INT1_GPIO_CLK, ENABLE);
/* Enable INT2 GPIO clock */
RCC_AHB1PeriphClockCmd(LIS302DL_SPI_INT2_GPIO_CLK, ENABLE);
GPIO_PinAFConfig(LIS302DL_SPI_SCK_GPIO_PORT, LIS302DL_SPI_SCK_SOURCE, LIS302DL_SPI_SCK_AF);
GPIO_PinAFConfig(LIS302DL_SPI_MISO_GPIO_PORT, LIS302DL_SPI_MISO_SOURCE, LIS302DL_SPI_MISO_AF);
GPIO_PinAFConfig(LIS302DL_SPI_MOSI_GPIO_PORT, LIS302DL_SPI_MOSI_SOURCE, LIS302DL_SPI_MOSI_AF);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/* SPI SCK pin configuration */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_SCK_PIN;
GPIO_Init(LIS302DL_SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
/* SPI MOSI pin configuration */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_MOSI_PIN;
GPIO_Init(LIS302DL_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
/* SPI MISO pin configuration */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_MISO_PIN;
GPIO_Init(LIS302DL_SPI_MISO_GPIO_PORT, &GPIO_InitStructure);
/* SPI configuration -------------------------------------------------------*/
SPI_I2S_DeInit(LIS302DL_SPI);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
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_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_Init(LIS302DL_SPI, &SPI_InitStructure);
/* Enable SPI1 */
SPI_Cmd(LIS302DL_SPI, ENABLE);
/* Configure GPIO PIN for Lis Chip select */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_CS_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(LIS302DL_SPI_CS_GPIO_PORT, &GPIO_InitStructure);
/* Deselect : Chip Select high */
GPIO_SetBits(LIS302DL_SPI_CS_GPIO_PORT, LIS302DL_SPI_CS_PIN);
/* Configure GPIO PINs to detect Interrupts */
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_INT1_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(LIS302DL_SPI_INT1_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = LIS302DL_SPI_INT2_PIN;
GPIO_Init(LIS302DL_SPI_INT2_GPIO_PORT, &GPIO_InitStructure);
}