心电图代码.doc

#include #includestring.h#includestdio.h#includemath.h#includeconfiguration.h#includelcd.h#includedelay.hu16 voltage240;int main(void) u16 i,adcx; float temp; u16 x=0; u16 y; u16 X_VALUE; u16 X_LAST_VALUE; u16 Y_VALUE; u16 Y_LAST_VALUE; RCC_Configuration(); GPIO_Configuration(); ADC1_Configuration(); lcd_init(); lcd_clear(White); delay_ms(1000); while(1) for(i=0;i240;i+) voltagei=ADC_GetConversionValue(ADC1); delay_ms(100); for(i=0;i240) x=0; lcd_clear(White); if(Y_LAST_VALUE!=0&x!=0&X_LAST_VALUE!=240&X_LAST_VALUE!=0)lcd_drawline(X_LAST_VALUE,Y_LAST_VALUE,x,y,Red); #include #includeconfiguration.hvoid RCC_Configuration(void) ErrorStatus HSEStartUpStatus; /定义外部高速晶体启动状态枚举变量 RCC_DeInit(); /复位RCC外部设备寄存器到默认值 RCC_HSEConfig(RCC_HSE_ON); /打开外部高速晶振 HSEStartUpStatus=RCC_WaitForHSEStartUp(); /等待外部高速时钟准备好 if(HSEStartUpStatus=SUCCESS) /外部高速时钟已经准备好 FLASH_PrefetchBufferCmd(FLASH_PrefetchBuffer_Enable); FLASH_SetLatency(FLASH_Latency_2); RCC_HCLKConfig(RCC_SYSCLK_Div1); /配置AHB（HCLK）时钟=SYSCLK RCC_PCLK2Config(RCC_HCLK_Div1); /配置APB2（PCLK2）时钟=AHB时钟 RCC_PCLK1Config(RCC_HCLK_Div2); /配置APB1（PCLK1）时钟=AHB 1/2时钟 RCC_PLLConfig(RCC_PLLSource_HSE_Div1,RCC_PLLMul_9); /配置PLL时钟=外部高速晶体时钟*9 RCC_PLLCmd(ENABLE); /使能PLL时钟 while(RCC_GetFlagStatus(RCC_FLAG_PLLRDY)=RESET) /等待PLL时钟就绪 RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK); /配置系统时钟=PLL时钟 while(RCC_GetSYSCLKSource()!=0x08) /检查PLL时钟是否作为系统时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE|RCC_APB2Periph_ADC1,ENABLE); /*GPIO_Configuration*void GPIO_Configuration(void)GPIO_InitTypeDef GPIO_InitStructure;GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; /控制位GPIO_Init(GPIOE,&GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin=GPIO_Pin_All;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GPIOD,&GPIO_InitStructure); / 数据传输位GPIO_InitStructure.GPIO_Pin=GPIO_Pin_0;GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AIN; /模拟输入GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GPIOA,&GPIO_InitStructure); /*ADC1_Configuration*void ADC1_Configuration(void) ADC_InitTypeDef ADC_InitStructure;ADC_DeInit(ADC1); /将外设 ADC1 的全部寄存器重设为缺省值 ADC_InitStructure.ADC_Mode = ADC_Mode_Independent; /ADC工作模式:ADC1和ADC2工作在独立模式ADC_InitStructure.ADC_ScanConvMode =DISABLE; /模数转换工作在单通道模式ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; /模数转换工作在连续转换模式ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;/外部触发注入转换关闭ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; /ADC数据右对齐ADC_InitStructure.ADC_NbrOfChannel = 1; /顺序进行规则转换的ADC通道的数目ADC_Init(ADC1, &ADC_InitStructure); /根据ADC_InitStruct中指定的参数初始化外设ADCx的寄存器RCC_ADCCLKConfig(RCC_PCLK2_Div8); /ADC时钟经过PCLK2,8分频得到，为9MHZ /设置指定ADC的规则组通道，设置它们的转化顺序和采样时间/ADC1,ADC通道x,规则采样顺序值为y,采样时间为239.5周期ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_239Cycles5 ); / ADC_DMACmd(ADC1, ENABLE);/ 开启ADC的DMA支持（要实现DMA功能，还需独立配置DMA通道等参数）ADC_Cmd(ADC1, ENABLE); /使能指定的ADC1ADC_ResetCalibration(ADC1); /复位指定的ADC1的校准寄存器 while(ADC_GetResetCalibrationStatus(ADC1); /获取ADC1复位校准寄存器的状态,设置状态则等待ADC_StartCalibration(ADC1); /开始指定ADC1的校准状态while(ADC_GetCalibrationStatus(ADC1); /获取指定ADC1的校准程序,设置状态则等待ADC_SoftwareStartConvCmd(ADC1, ENABLE); /*DMA_Configuration*void DMA_Configuration(void)DMA_InitTypeDef DMA_InitStructure;DMA_DeInit(DMA1_Channel1); /将DMA的通道1寄存器重设为缺省值DMA_InitStructure.DMA_PeripheralBaseAddr = (u32)&ADC1-DR; /DMA外设ADC基地址DMA_InitStructure.DMA_MemoryBaseAddr = (u32)&ADC_GetConversionValue; /DMA内存基地址DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC; /内存作为数据传输的目的地DMA_InitStructure.DMA_BufferSize = 1; /DMA通道的DMA缓存的大小DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; /外设地址寄存器不变DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable; /内存地址寄存器递增DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord; /数据宽度为16位DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord; /数据宽度为16位DMA_InitStructure.DMA_Mode = DMA_Mode_Circular; /工作在循环缓存模式DMA_InitStructure.DMA_Priority = DMA_Priority_High; /DMA通道 x拥有高优先级 DMA_InitStructure.DMA_M2M = DMA_M2M_Disable; /DMA通道x没有设置为内存到内存传输DMA_Init(DMA1_Channel1, &DMA_InitStructure); /根据DMA_InitStruct中指定的参数初始化DMA的通道DMA_Cmd(DMA1_Channel1, ENABLE); /*TIME_Configuration* void TIME_Configuration(void) TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStruct; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE); /使能TIM2时钟 TIM_DeInit(TIM2); TIM_TimeBaseInitStruct.TIM_Prescaler = 599; /预分频，此值加一为分频的除数 TIM_TimeBaseInitStruct.TIM_CounterMode =TIM_CounterMode_Up; /向上计数 TIM_TimeBaseInitStruct.TIM_Period =3599; /399+1 TIM_TimeBaseInitStruct.TIM_ClockDivision =TIM_CKD_DIV1; TIM_TimeBaseInit(TIM2,&TIM_TimeBaseInitStruct); TIM_ClearFlag(TIM2, TIM_FLAG_Update); TIM_ITConfig(TIM2,TIM_FLAG_Update,ENABLE); /使能更新溢出中断 TIM_Cmd(TIM2,ENABLE);/*NVIC_Configuration*void NVIC_Configuration(void) NVIC_InitTypeDef NVIC_InitStructure; NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1); /采用组别2 NVIC_InitStructure.NV