#include "stm32f10x_lib.h"
#include "main.h"
#include "platform_config.h"
#include "main.h"
#include <stdio.h>
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);
}
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