|
#include "STM32f10x_lib.h" #include "main.h" #include "platform_config.h" #include "main.h" #include static vu32 TimingDelay = 0; ADC_InitTypeDef ADC_InitStructure; USART_InitTypeDef USART_InitStructure; ErrorStatus HSEStartUpStatus; void RCC_Configuration(void); void GPIO_Configuration(void); void USART_Configuration(void); u16 adc1(void); u16 adc2(void); int main(void) { int AD_value; u8 i,j; #ifdef DEBUG debug(); #endif RCC_Configuration(); GPIO_Configuration(); USART_Configuration(); SysTick_Config(); ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; ADC_InitStructure.ADC_ScanConvMode = ENABLE; ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; ADC_InitStructure.ADC_NbrOfChannel = 2; ADC_Init(ADC1, &ADC_InitStructure); while (1) { AD_value = adc1(); // ADC_SoftwareStartConvCmd(ADC1, DISABLE); ADC_Cmd(ADC1, DISABLE); j=AD_value%256; i=AD_value/256; USART_SendData(USART1, i); while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET); USART_SendData(USART1, j); while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET); Delay(200); AD_value = adc2(); // ADC_SoftwareStartConvCmd(ADC1, DISABLE); ADC_Cmd(ADC1, DISABLE); j=AD_value%256; i=AD_value/256; i=i|0xf0; USART_SendData(USART1, i); while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET); USART_SendData(USART1, j); while(USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET); Delay(200); } } u16 adc1(void) { ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 1, ADC_SampleTime_13Cycles5); ADC_Cmd(ADC1, ENABLE); ADC_ResetCalibration(ADC1); while(ADC_GetResetCalibrationStatus(ADC1)); ADC_StartCalibration(ADC1); while(ADC_GetCalibrationStatus(ADC1)); // ADC_SoftwareStartConvCmd(ADC1, ENABLE); return(ADC_GetConversionValue(ADC1)); } u16 adc2(void) { ADC_RegularChannelConfig(ADC1, ADC_Channel_10, 1, ADC_SampleTime_13Cycles5); ADC_Cmd(ADC1, ENABLE); ADC_ResetCalibration(ADC1); while(ADC_GetResetCalibrationStatus(ADC1)); ADC_StartCalibration(ADC1); while(ADC_GetCalibrationStatus(ADC1)); // ADC_SoftwareStartConvCmd(ADC1, ENABLE); return(ADC_GetConversionValue(ADC1)); } void RCC_Configuration(void) { RCC_DeInit(); //将外设 RCC寄存器重设为缺省值 V RCC_HSEConfig(RCC_HSE_ON); //#define RCC_HSE_ON ((u32)0x00010000) V HSEStartUpStatus = RCC_WaitForHSEStartUp(); //等待HSE起振 该函数将等待直到 HSE 就绪,或者在超时的情况下退出 V if(HSEStartUpStatus == SUCCESS) { FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); //使能或者失能预取指缓存 FLASH_SetLatency(FLASH_Latency_2); //设置代码延时值 2个延时周期 RCC_HCLKConfig(RCC_SYSCLK_Div1); //设置 AHB 时钟(HCLK) 即设置AHB时钟 V RCC_PCLK2Config(RCC_HCLK_Div1); //设置高速 AHB 时钟(PCLK2) 即设置APB2时钟 V RCC_PCLK1Config(RCC_HCLK_Div2); //设置低速 AHB 时钟(PCLK1) 即设置APB1时钟 V RCC_ADCCLKConfig(RCC_PCLK2_Div4); //设置 ADC 时钟 RCC_PLLConfig(RCC_PLLSource_HSE_Div1, RCC_PLLMul_7); //设置 PLL 时钟源及倍频系数 V RCC_PLLCmd(ENABLE); //使能或者失能 PLL V while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) //检查指定的 RCC 标志位设置与否 V { } RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); //设置系统时钟 V while(RCC_GetSYSCLKSource() != 0x08) // V { } } RCC_APB2PeriphClockCmd(RCC_APB2Periph_ALL, ENABLE); //使能或者失能 APB2 外设时钟 V } void GPIO_Configuration(void) { GPIO_InitTypeDef GPIO_InitStructure; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_Init(GPIO_LED, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; GPIO_Init(GPIOA, &GPIO_InitStructure); } void SysTick_Config(void) { SysTick_CLKSourceConfig(SysTick_CLKSource_HCLK); //设置 SysTick时钟源 SysTick_SetReload(720000); SysTick_ITConfig(ENABLE); } void Delay(u32 nCount) { TimingDelay = nCount; SysTick_CounterCmd(SysTick_Counter_Enable); //使能或者失能 SysTick 计数器 while(TimingDelay != 0) {} SysTick_CounterCmd(SysTick_Counter_Disable); SysTick_CounterCmd(SysTick_Counter_Clear); } void Decrement_TimingDelay(void) { if (TimingDelay != 0x00) { TimingDelay--; } } void USART_Configuration(void) { USART_InitStructure.USART_BaudRate = 9600; USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_Parity =USART_Parity_No ; USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None; USART_InitStructure.USART_Mode = USART_Mode_Tx| USART_Mode_Rx; USART_InitStructure.USART_Clock = USART_Clock_Disable; USART_InitStructure.USART_CPOL = USART_CPOL_Low; USART_InitStructure.USART_CPHA = USART_CPHA_2Edge; USART_InitStructure.USART_LastBit = USART_LastBit_Disable; USART_Init(USART1, &USART_InitStructure); USART_Cmd(USART1, ENABLE); } |
|