急，stm32 按键复位后才正常运行

jackiesunhao · 发表于 2016-10-8 17:09:35

师兄们最近我遇到一个很奇怪的问题，就是按复位键后单片机才正常运行（仿真也能正常运行），下载其他程序就能正常运行！很纳闷……实在想不到问题出在哪

jermy_z · 发表于 2016-10-8 17:10:26

不知道你在讲什么

zhuifeng8911 · 发表于 2016-10-8 17:14:49

是不是这个没有点

jackiesunhao · 发表于 2016-10-8 18:35:19

都设置了的！

jackiesunhao · 发表于 2016-10-8 18:38:02

//***********************************************************//
//***************************motor.c*************************//
//***********************************************************//
#include "sys.h"
#include "motor.h"
#include "sys_tick.h"
#include "usart.h"
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include "mystring.h"
#include "delay.h"

#define  FW_Ratio 375 // 方位比例
s16  FW_Max_Speed = 240;    // 0.1°/s
const  s16 FW_Motor_Acc = 500;
volatile s32  old_fwspeed = 0;
void  motorinit(void);
void Set_FWSpeed(s32 ispeed);
void Set_Channel_NVIC(u8 NVIC_Channel, u8  Priority);//设置中断
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------

//----------------------------------------------------------------------------
////********* 方位孔子和 *************8
void Motor_Init(void)
{
GPIOB->CRH &= ~(((u32)(0xffff))<<16);    //PB12 ~ PB15  通用推挽
GPIOB->CRH |= 0x3333 << 16;
GPIOD->CRH &= ~(0xff);          //PD8/PD9 通用推挽
GPIOD->CRH |= 0x33;
////////////////////////////
////*****  T5  **************
RCC->APB1ENR |= 8; //使能TIM5时钟
TIM5->CR1  |= 1<<4;    //向下计数
TIM5->DIER  = 0;
TIM5->DIER |= 1;       //允许更新中断
TIM5->PSC = 11;    ///72 /(11+1) = 6M T2时钟;
Set_Channel_NVIC(50, 3);//低优先级1
////////////////////////////
////*****  T2  **************
}
////---------------------------------------------------------------------------
////*********    *************8
//电机最低速度 1.512°/s  , 0.0042转/s
void Set_FWSpeed(s32 ispeed)  //0.1°/s
{
s32 tempspeed=0;
u8  speeddatastr[16]={0};
u8  temp_speeddatastr[6]={0};
// char speedTemp;
speeddatastr[0]  = 0X73; // 's'
speeddatastr[1]  = 0X20; // ' '
speeddatastr[2]  = 0X72; // 'r'
speeddatastr[3]  = 0X30; // '0'
speeddatastr[4]  = 0X78; // 'x'
speeddatastr[5]  = 0X32; // '2'
speeddatastr[6]  = 0X66; // 'f'
speeddatastr[7]  = 0X20; // ' '
// speeddatastr[8]  = 'D';    //速度方向位
speeddatastr[9]  = 0X30; // '0'
speeddatastr[10] = 0X30; // '0'
speeddatastr[11] = 0X30; // '0'
speeddatastr[12] = 0X30; // '0'
speeddatastr[13] = 0X30; // '0'
speeddatastr[14] = 0X30; // '0'
speeddatastr[15] = 0x0D; // ' '
if    (FW_Max_Speed  < ispeed)
ispeed = FW_Max_Speed;
else if (-FW_Max_Speed > ispeed)
ispeed = -FW_Max_Speed;
old_fwspeed = ispeed;
if(0 < ispeed)
{
      speeddatastr[8] = 0x2D;
}
else
{
speeddatastr[8] = 0x30;
}
tempspeed =(abs(ispeed) *6250/3 ); //转换为电机速度转/s,减速度比为 1：375
my_itoa(tempspeed, temp_speeddatastr, 10) ;
speeddatastr[9]  = temp_speeddatastr[0]; // '0'
speeddatastr[10] = temp_speeddatastr[1]; // '0'
speeddatastr[11] = temp_speeddatastr[2]; // '0'
speeddatastr[12] = temp_speeddatastr[3]; // '0'
speeddatastr[13] = temp_speeddatastr[4]; // '0'
speeddatastr[14] = temp_speeddatastr[5]; // '0'
Uart4_Send1(&speeddatastr[0] , 16);
}
void Driver_Init()
{
char EN_D_Cmd[11] ={0x73,0x20,0x72,0x30,0x78,0x32,0x34,0x20,0x31,0x31,0x0d};
char ACC_D_Cmd[11] ={0x73,0x20,0x72,0x30,0x78,0x33,0x36,0x20,0x35,0x30,0x0d};
char DEC_D_Cmd[11] ={0x73,0x20,0x72,0x30,0x78,0x33,0x37,0x20,0x35,0x30,0x0d};
Uart4_send_str(&EN_D_Cmd[0],11);
SysTimeCnt = 0;
while(200 > SysTimeCnt);
SysTimeCnt = 0;
Uart4_send_str(&EN_D_Cmd[0],11);
SysTimeCnt = 0;
while(200 > SysTimeCnt);
SysTimeCnt = 0;
Uart4_send_str(&EN_D_Cmd[0],11);
SysTimeCnt = 0;
while(200 > SysTimeCnt);
SysTimeCnt = 0;
Uart4_send_str(&DEC_D_Cmd[0],11);
SysTimeCnt = 0;
while(200 > SysTimeCnt);
SysTimeCnt = 0;
Uart4_send_str(&ACC_D_Cmd[0],11);
SysTimeCnt  = 0 ;
}
void Urgent_Stop_FW()
{
char STOP_D_Cmd[10] ={0x73,0x20,0x72,0x30,0x78,0x32,0x34,0x20,0x30,0x0d};
char DEC_D_Cmd[10] ={0x73,0x20,0x72,0x30,0x78,0x33,0x37,0x20,0x31,0x0d};
SysTimeCnt = 0;
Uart4_send_str(&STOP_D_Cmd[0],11);
while(500 > SysTimeCnt);
SysTimeCnt = 0;
while(500 > SysTimeCnt);
SysTimeCnt = 0;
Uart4_send_str(&DEC_D_Cmd[0],10);
}
下面是主函数
//****************************************************************//
//**************************** main.c  *************************//
//****************************************************************//

#include  <stm32f10x_lib.h>
#include  <stdlib.h>
#include  "sys.h"
#include  "main.h"
#include  "peripheral.h"
#include  "motor.h"
#include "usart.h"
int main(void)
{
s16  ispeed =-120;
SysTimeCnt = 0;
Sys_Init(); //cpu 系统初始化，时钟、中断等
Peripheral_Init();    //MCU外设接口初始化，uart， pwm， timer，spi等
TIM_Timer_Init();
Motor_Init();
Uart_Init();
Driver_Init();
while(1)
{
if(SysTimeCnt >=200)
{
SysTimeCnt = 0;
Set_FWSpeed(ispeed);
}
}
}