STM32出租車計價代碼

ID:393151 · 發表于 2018-11-20 14:51

STM32F103
出租車計價源碼

單片機源程序如下:

#include "stm32f10x.h"
#include "Motor.h"
#include "stdio.h"
#include "delay.h"
#include "lcd.h"
#define ADC1_DR_Address ((uint32_t)0x4001244C)
__IO uint16_t ADCConvertedValue;
u16 RxData;
float JiaGe = 0;
uint16_t ZuoLunQuanShu = 0;
uint16_t YouLunQuanShu = 0;
void RCC_Configuration(void);
void GPIO_Configuration(void);
void USART_Configuration(void);
void ADC1_Init(void);
void DMA(void);
void T1_ETR_InitConfig(void);
void T2_ETR_InitConfig(void);
void yaokong(void);
void sudutiaojie(void);
void TIM4_PWM(void);
void gengxinjijia(void);
int main()
{
RCC_Configuration();
GPIO_Configuration();
USART_Configuration();
ADC1_Init();
DMA();
TIM4_PWM();
T1_ETR_InitConfig();
T2_ETR_InitConfig();
lcd_int();
while(1)
{
yaokong();
sudutiaojie();
gengxinjijia();
}
}
void gengxinjijia(void)
{
LCD_DisplayFloat_WithAddress(3,30,JiaGe);
}
void sudutiaojie(void)
{
ZuoLunQuanShu = TIM_GetCounter(TIM1);
YouLunQuanShu = TIM_GetCounter(TIM2);
JiaGe = JiaGe+(ZuoLunQuanShu+YouLunQuanShu)/2*0.001;
TIM_SetCounter(TIM1, 0);
TIM_SetCounter(TIM2, 0);
if(ZuoLunQuanShu > YouLunQuanShu)
{
TIM_SetCompare4(TIM4, 5000);
TIM_SetCompare3(TIM4, 4500);
}
else
{
TIM_SetCompare4(TIM4, 4500);
TIM_SetCompare3(TIM4, 5000);
}
delay_ms(500);
}
void yaokong(void)
{
static unsigned char biaozhi = 0;
if(USART_GetFlagStatus(USART1,USART_FLAG_RXNE) == SET)
{
USART_ClearFlag(USART1, USART_FLAG_RXNE);
RxData = USART_ReceiveData(USART1);
if(RxData == 0x01)
{
QianJin();
if(biaozhi == 0)
{
JiaGe = 8;
biaozhi = 1;
printf("ADC1_Channel(PA0)_ConverValue:%.3fm\n\r",((float)ADCConvertedValue*3.3/4096));
if (ADCConvertedValue*3.3/4096<1)
{
ZuoZhuan();
}
}
}
if(RxData == 0x02)
{
HouTui();
}
if(RxData == 0x03)
{
ZuoZhuan();
}
if(RxData == 0x04)
{
YouZhuan();
}
if(RxData == 0x00)
{
TingZhi();
}
}
}
void RCC_Configuration(void)
{
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1|RCC_APB2Periph_GPIOA|\
RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC|RCC_APB2Periph_ADC1 ,ENABLE);
}
void GPIO_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitSructure;
GPIO_InitSructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitSructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitSructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA,&GPIO_InitSructure);
GPIO_InitSructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitSructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA,&GPIO_InitSructure);
GPIO_InitSructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11;
GPIO_InitSructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitSructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitSructure);
GPIO_InitSructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9;
GPIO_InitSructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitSructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOB, &GPIO_InitSructure);
GPIO_InitSructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4;
GPIO_InitSructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitSructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitSructure);
}
void USART_Configuration(void)
{
USART_InitTypeDef USART_InitSructure;
USART_InitSructure.USART_BaudRate = 9600;
USART_InitSructure.USART_WordLength = USART_WordLength_8b;
USART_InitSructure.USART_StopBits = USART_StopBits_1;
USART_InitSructure.USART_Parity = USART_Parity_No;
USART_InitSructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitSructure.USART_Mode = USART_Mode_Rx|USART_Mode_Tx;
USART_Init(USART1,&USART_InitSructure);
USART_Cmd(USART1,ENABLE);
}
void ADC1_Init(void)
{
ADC_InitTypeDef ADC_InitStructure;
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 = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);
ADC_DMACmd(ADC1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
}
void DMA(void)
{
DMA_InitTypeDef DMA_InitStructure;
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
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_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
}
int fputc(int ch,FILE *f)
{
USART_SendData(USART1,(u8)ch);
while(USART_GetFlagStatus(USART1,USART_FLAG_TC) == RESET);
return ch;
}
void T1_ETR_InitConfig(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
TIM_TimeBaseStructure.TIM_Prescaler = 0;//????
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//??????
TIM_TimeBaseStructure.TIM_Period = 0xFFFF;//?????????????????????????
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//TDTS = Tck_tim
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;//?????
TIM_TimeBaseInit(TIM1,&TIM_TimeBaseStructure);//???
TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
TIM_SelectInputTrigger(TIM1, TIM_TS_ETRF);
TIM_ETRClockMode2Config(TIM1, TIM_ExtTRGPSC_OFF,TIM_ExtTRGPolarity_Inverted,0x01);
TIM_Cmd(TIM1, ENABLE);
}
void T2_ETR_InitConfig(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_PinRemapConfig(GPIO_PartialRemap1_TIM2, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
TIM_TimeBaseStructure.TIM_Prescaler = 0;//????
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;//??????
TIM_TimeBaseStructure.TIM_Period = 0xFFFF;//?????????????????????????
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;//TDTS = Tck_tim
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;//?????
TIM_TimeBaseInit(TIM2,&TIM_TimeBaseStructure);//???
TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
TIM_SelectInputTrigger(TIM2, TIM_TS_ETRF);
TIM_ETRClockMode2Config(TIM2, TIM_ExtTRGPSC_OFF,TIM_ExtTRGPolarity_Inverted,0x01);
TIM_Cmd(TIM2, ENABLE);
}
void TIM4_PWM(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
TIM_DeInit(TIM4);
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInitStructure.TIM_Period = 5000;
TIM_TimeBaseInitStructure.TIM_Prescaler = 71;
TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM4,&TIM_TimeBaseInitStructure);
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset; //??TIM1/8??
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OCNIdleState = RESET; //??TIM1/8??
TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High; //??TIM1/8??
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Disable; //??TIM1/8??
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_Pulse = 18000;
TIM_OC3Init(TIM4,&TIM_OCInitStructure);
TIM_OCInitStructure.TIM_Pulse = 5000;
TIM_OC4Init(TIM4,&TIM_OCInitStructure);
TIM_GenerateEvent(TIM4,TIM_EventSource_Update);
TIM_Cmd(TIM4,ENABLE);
}

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所有資料51hei提供下載:

GPIO-出租車-計價.rar (53.26 KB, 下載次數: 8)

ID:565846 · 發表于 2019-6-20 11:19

少了文件......

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STM32出租車計價代碼