#include "stm32f10x.h"#define CLK GPIO_Pin_0
//#define B     GPIO_Pin_1
//#define C        GPIO_Pin_2
#define ALE GPIO_Pin_4
//#define IN0 GPIO_Pin_4
#define ST    GPIO_Pin_5
#define OE    GPIO_Pin_6
//#define A     GPIO_Pin_7#define D0     GPIO_Pin_0
#define D1     GPIO_Pin_1
#define D2     GPIO_Pin_2
#define D3     GPIO_Pin_3
#define D4    GPIO_Pin_4
#define D5     GPIO_Pin_5
#define D6     GPIO_Pin_6
#define D7     GPIO_Pin_7
#define EOC GPIO_Pin_8double val=0;void delay(u32 kk)
{while(kk--);
}/*
const unsigned short CLK= GPIO_Pin_0;
const unsigned short B=GPIO_Pin_1;
const unsigned short C=GPIO_Pin_2;
const unsigned short ALE=GPIO_Pin_3;
const unsigned short IN0=GPIO_Pin_4;
const unsigned short ST=GPIO_Pin_5;
const unsigned short OE=GPIO_Pin_6;
const unsigned short A=GPIO_Pin_7;const unsigned short D0=GPIO_Pin_0;
const unsigned short D1=GPIO_Pin_1;
const unsigned short D2=GPIO_Pin_2;
const unsigned short D3=GPIO_Pin_3;
const unsigned short D4=GPIO_Pin_4;
const unsigned short D5=GPIO_Pin_5;
const unsigned short D6=GPIO_Pin_6;
const unsigned short D7=GPIO_Pin_7;
const unsigned short EOC=GPIO_Pin_8;
*/void ad_init()
{GPIO_InitTypeDef GPIO_InitStructure;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8;GPIO_InitStructure.GPIO_Mode =  GPIO_Mode_Out_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOA, &GPIO_InitStructure);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOB, &GPIO_InitStructure);GPIO_ResetBits(GPIOA, ALE);
//    GPIO_ResetBits(GPIOA, A);
//    GPIO_ResetBits(GPIOA, B);
//    GPIO_ResetBits(GPIOA, C);//delay(10);
GPIO_SetBits(GPIOA, ALE); //CLK
}void adc0809_input()
{//ST²úÉúÉÏÉýÑغÍϽµÑØ
    GPIO_ResetBits(GPIOA, ST);delay(10);GPIO_SetBits(GPIOA,ST);delay(10);GPIO_ResetBits(GPIOA, ST);delay(10);while(GPIO_ReadInputDataBit(GPIOB, EOC)==0);GPIO_SetBits(GPIOA,OE);val=GPIO_ReadInputDataBit(GPIOB, D0)*0x0001+GPIO_ReadInputDataBit(GPIOB, D1)*0x0002+GPIO_ReadInputDataBit(GPIOB, D2)*0x0004+GPIO_ReadInputDataBit(GPIOB, D3)*0x0008+GPIO_ReadInputDataBit(GPIOB, D4)*0x0010+GPIO_ReadInputDataBit(GPIOB, D5)*0x0020+GPIO_ReadInputDataBit(GPIOB, D6)*0x0040+GPIO_ReadInputDataBit(GPIOB, D7)*0x0080;GPIO_ResetBits(GPIOA,OE);//val=val*2*0.98;
}void timer_init()         //¶¨Ê±Æ÷ÖжÏÅäÖÃ
{NVIC_InitTypeDef NVIC_InitStructure;      //ÅäÖÃÖжϽṹ
    TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);                     //ÅäÖÃÄÚ²¿Ê±ÖÓNVIC_InitStructure.NVIC_IRQChannel=TIM3_IRQn;NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0;NVIC_InitStructure.NVIC_IRQChannelSubPriority=0;NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;NVIC_Init(&NVIC_InitStructure);//¶¨Ê±Æ÷3µÄÖжϳõʼ»¯
    TIM_TimeBaseStructure.TIM_Period=100;      //ÓëÏÂÒ»ÐÐÓï¾äÅäºÏ£¬µ¥Æ¬»úʱÖÓÐźÅĬÈÏÇé¿öÏÂÊÇ72MHz£¬¸Ä10000Õâ¸öÊý¿ÉÒÔÉèÖÃÖжÏʱ¼äTIM_TimeBaseStructure.TIM_Prescaler=72;    //ÕâÐÐÒ²¿ÉÒԸģ¬µ«ÊÇΪÁËÊý¾Ý·ÖÅäÇå³þ£¬»¹ÊÇÉÏÒ»ÐÐÕû°ÙÕû°ÙµØ¸Ä±È½ÏºÃTIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); TIM_ITConfig(TIM3,TIM_IT_Update|TIM_IT_Trigger,ENABLE);TIM_Cmd(TIM3, ENABLE);
}int i=1;
void TIM3_IRQHandler()
{if(TIM_GetITStatus(TIM3,TIM_IT_Update)!=RESET) //È·¶¨½øÈëÁËÕâ¸öÖжÏ
  {TIM_ClearITPendingBit(TIM3, TIM_IT_Update);            //    Çå³ý±êÖ¾£¬±£ÏÕÆð¼ûÒª¼Ó
    adc0809_input();if(i==1){GPIO_SetBits(GPIOA, GPIO_Pin_8);i=0;}else{i=1;GPIO_ResetBits(GPIOA, GPIO_Pin_8);}}
}void ADC0809_Clock()
{TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;TIM_OCInitTypeDef TIM_OCInitStructure;GPIO_InitTypeDef GPIO_InitStructure;RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_AFIO, ENABLE);GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;GPIO_InitStructure.GPIO_Mode =  GPIO_Mode_AF_PP;GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOA, &GPIO_InitStructure);//PWM--->100HzTIM_TimeBaseStructure.TIM_Period=10;      TIM_TimeBaseStructure.TIM_Prescaler=12;TIM_TimeBaseStructure.TIM_ClockDivision=TIM_CKD_DIV1;TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up;TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
//  //PA6--->50%                                             //?????TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM1;   TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;     TIM_OCInitStructure.TIM_Pulse=5;                    //pulse????period??????TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable;TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_High;   TIM_OC1Init(TIM2, &TIM_OCInitStructure);//  //PA7--->40%
//  TIM_OCInitStructure.TIM_Pulse=40;
//  TIM_OC2Init(TIM3, &TIM_OCInitStructure);
//  //PB0--->60%
//  TIM_OCInitStructure.TIM_Pulse=60;
//  TIM_OC3Init(TIM3, &TIM_OCInitStructure);
//  //PB1--->80%
//  TIM_OCInitStructure.TIM_Pulse=80;
//  TIM_OC4Init(TIM3, &TIM_OCInitStructure);
    TIM_Cmd(TIM2, ENABLE);
}int main()
{      ad_init();GPIO_SetBits(GPIOA, GPIO_Pin_3); ADC0809_Clock(); timer_init();   while(1){}
}