stm8s_IAP_xmode串口升级-casy的回答

stm8s_IAP_xmode串口升级

2019-07-18 20:24发布

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本帖最后由电脑小白于 2018-7-18 15:56 编辑

重磅出击，全球独此一份代码。原子大大，求票票，求酷贴，求置顶。
PS: 此IAP是用超级终端工具通过串口发送bin文件进行升级操作的!
附件中有app的demo工程和bootloader工程源码。

新添加了：工程地址设置说明（设置地址很重要，要不然没法从bootloader跳到app里去运行）。见新的附件。
Copyright 2016-2020 Alex.Fang  All rights reserved.

Header: stm8s105c6t6 IAP code
File Name: main.c
Author: Alex.Fang (www.openedv.com username=电脑小白)
Date: 2016-07-22

免责声明:
此代码你可以用来学习和交流。不得商用！应用此程序酿成事故由你自己承担！
本人不负责维护和支持此代码！如有疑问和看不懂别来烦我! ^_^
openedv论坛好友可以随便下载和转给他人参阅学习。
版权遵循 = GPL

开发环境为IAR的代码和范例：见39楼另一大神贡献的补充帖子。

main.c 代码内容：
[mw_shl_code=c,true]

/* Includes ------------------------------------------------------------------*/

#include <string.h>
#include <stdio.h>
#include "stm8s.h"
#include "stm8s_clk.h"
#include "main.h"
//#include "stm8s_wwdg.h"
#include "delay.h"
#include "flash.h"
#include "stm8s_flash.h"

#include "config.h"
#include "IO_config.h"

#include "crc16.h"
#include "xmodem.h"

#include "stm8s_uart2.h"

#include "uart2.h"
//#include "stm8s_tim2.h"

//#include "wwdg.h"

//#define NGI()    _asm("sim"); /* 禁止全局中断 */
//#define EGI()    _asm("rim"); /* 使能全局中断 */
//#define WFI()    _asm("halt"); /*进入到低功耗模 WFI */

/* Private defines -----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

//address for GO command
//TFunction GoAddress;

void STM8_CLK_Init(void)
{
            CLK_DeInit();//复位时钟寄存器
CLK_HSICmd(ENABLE);//HSI = 16MHz
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1); //f_psc = 16MHz/1

            //CLK_ClockSecuritySystemEnable();//开启时钟安全系统
//enableInterrupts();
}

void system_init(void)
{
      STM8_CLK_Init();
      FLASH_DeInit();
      Init_GPIO();
      Init_UART2();

}

void main(void)
{
  //_asm("sim");//关全部中断

      disableInterrupts();
      system_init();
      //_asm("rim");//开全部中断
      enableInterrupts();


      uart2_data(" ",4);
      uart2_data("Bootloader Start... ",21);
      uart2_data("Ver=20160722_1.0 ",18);
      disableInterrupts();


      //unlock_PROG();
  //unlock_DATA();

      //Print("goto app... ");
      //goto_app();
      //Print("Failed! ");
      //waiting_time_count=200;
  Xmoden_STate = IDLE;
      //RS232_Tran_Chr(NAK);
      disp_menu();
  while (1)
  {
            RS232_ISR();
            RS232_Rec_Xmodem();

  }//end while

}

[/mw_shl_code]

xmode.c 代码如下：
[mw_shl_code=c,true]

uchar RS232_Rec;
uchar RS232_Rec_old;
uchar RS232_Rec_flag=0;
//uchar RS232_Trn_flag=1;

enum TXmoden_STate Xmoden_STate = IDLE;

uchar Xmodem_Buffer[135]; /* 128 for XModem  + 3 head chars + 2 crc + nul */
//uchar Xmodem_Buffer_Ptr=0;
//uchar ChkSum=0;
//uchar PSer=1,PT=0;
//uchar xerror;
uint16_t waiting_time_count=HOLDTIME;
uint32_t App_address=0;

/*******************************************************************************
** 函数名称 : check
** 功能描述 : 校验，CRC为真则为CRC校验，否则为校验和
** 入口参数 : <crc>[in] 选择是CRC校验还是SUM校验
**                         <buf>[in] 校验的原始数据
**                         <sz>[in]  校验的数据长度
** 出口参数 : 无
** 返回值 : 校验无误返回TURE,反之返回FALSE
** 其他说明 : 无
*******************************************************************************/
static int check(int crc, const unsigned char *buf, int sz)
{
      if (crc){
            unsigned short crc = crc16_ccitt(buf, sz);
            unsigned short tcrc = (buf[sz]<<8)+buf[sz+1];
            if (crc == tcrc)
                     return TRUE;
      }
      else{
            int i;
            unsigned char cks = 0;
            for (i = sz; i != 0; i--){
                     cks += *(buf++);
            }
            if (cks == *buf)
                  return TRUE;
      }
      return FALSE;
}

//----------------------------------------------------------
void RS232_ISR(void)
{
      Receive(&RS232_Rec,100);

      //Transmit(RS232_Rec);

      RS232_Rec_flag = 1;
}

//----------------------------------------------------------
void RS232_Tran_Chr(uchar chr)
{
Transmit(chr);
}

void disp_menu(void)
{
      Print(" ----------bootloader---------- ");
      Print("1.download ");
      Print("2.goto app ");
      Print("------------------------------ ");
      Print("Please choose (1 or 2): ");
      Print("Timeout = [    ");
}

void disp_1(void)
{
      Print(" Press = 1 ");
      Print("Choose file... ");
}

void disp_2(void)
{
      Print(" Press = 2 ");
      Print("Goto app...");
      delay_ms(20);
      goto_app();
      Print(" Failed! ");
      waiting_time_count=HOLDTIME;
      Xmoden_STate = IDLE;
      disp_menu();
}

void RS232_Rec_Xmodem(void)
{
      uint8_t packetno = 1;
      uint8_t bufsz;
      uint8_t crc = 1;//启用CRC校验
      uint16_t i=0;
      //uint16_t j=0;

            if(Xmoden_STate == IDLE){
                     if(waiting_time_count!=0){
                              waiting_time_count--;
                              RS232_Tran_Chr(8);
                              RS232_Tran_Chr(8);
                              RS232_Tran_Chr(8);
                              RS232_Tran_Chr(8);
                              RS232_Tran_Chr(8);
                              //RS232_Tran_Chr('[');
                              RS232_Tran_Chr(waiting_time_count/100%10+'0');
                              RS232_Tran_Chr(waiting_time_count/10%10+'0');
                              RS232_Tran_Chr(waiting_time_count%10+'0');
                              RS232_Tran_Chr(']');
                              RS232_Tran_Chr(' ');

                              delay_ms(100);

                     }
                     else {

                              Print(" Timeout,goto_app! ");
                              delay_ms(20);
                              goto_app();
                              Print(" Failed!");
                              waiting_time_count=HOLDTIME;
                              disp_menu();
                     }
                     if(RS232_Rec_flag)
                     {
                              if(RS232_Rec_old!=RS232_Rec){
                                    RS232_Rec_old=RS232_Rec;
                                    waiting_time_count=HOLDTIME;
                                    if(RS232_Rec == 13){//回车
                                             disp_menu();
                                    }
                                    else if(RS232_Rec == '1'){
                                             disp_1();
                                             waiting_time_count=50;
                                             Xmoden_STate = WSTART;
                                             //RS232_Tran_Chr(NAK);
                                    }
                                    else if(RS232_Rec == '2'){
                                             disp_2();
                                    }
                              }
                        RS232_Rec_flag=0;
                     }
                     return;
            }

if(RS232_Rec_flag)
{
                              RS232_Rec_flag=0;

                              if((RS232_Rec == 'B')||(RS232_Rec == 'b')) {
                                    RS232_Rec=0;
                                    waiting_time_count=HOLDTIME;
                                    Xmoden_STate = IDLE;       //进入"空闲"状态
                                    disp_menu();
                              }
            else if(RS232_Rec==SOH){ //开始传输文件
                              bufsz=128;
                                    App_address=MAIN_USER_RESET_ADDR;
            while(RS232_Rec==SOH){//接收到有效数据帧头
                        Xmodem_Buffer[0]=RS232_Rec;
                        for(i=0;i<132;i++){//接收一帧数据
                                                            Receive(&Xmodem_Buffer[i+1],10000UL);
                                                            //Receive_while(&Xmodem_Buffer[i+1]);
                        }

                        if((Xmodem_Buffer[1]==(uint8_t)~Xmodem_Buffer[2])&&(packetno==Xmodem_Buffer[1])//包序号无误
                        &&(check(crc, &Xmodem_Buffer[3], bufsz))){//CRC校验无误
                        packetno++;
                                                            //
                                                            firmware_option();
                                                            App_address+=128;
                                                            //delay_ms(1);
                                          Transmit(ACK);
                                                      }
                        else {//要求重发
                              Transmit(NAK);
                        }

                                                      //delay_ms(10);
                                                      //Transmit(ACK);

                                                      waiting_time_count=1000;
                                    do {
                                          Receive(&RS232_Rec,1000);//读取下一帧数据的帧头
                                    }while((RS232_Rec!=SOH)&&(waiting_time_count--));
                                                      if(waiting_time_count==0)break;

            }

                                    Transmit(ACK);
                                    Receive(&RS232_Rec,10000);
                                    if(RS232_Rec==EOT){//文件发送结束标志
                                       Transmit(ACK);
                                    }
                                    eraser_option();
                                    waiting_time_count=HOLDTIME;
                                    Xmoden_STate = IDLE;       //进入"空闲"状态
                                    disp_menu();

                        }
      else {
                                    if(waiting_time_count!=0){
                                             waiting_time_count--;
                                             delay_ms(100);
                                    }
                                    else {
                                             waiting_time_count=20;
                                             Transmit('C');//crc
                                             //Transmit(NAK);//sum
                                    }
                              }
}
}
//本函数的调用方式如下：
//  Xmoden_STate = WSTART;
//  RS232_Tran_Chr(NAK);
//  while(Xmoden_STate != IDLE) RS232_Rec_Xmodem();
/*
void firmware_option(void)
{
      uint16_t i=0;
      uint16_t j=0;
  uint8_t FULL_status=0;
      //uint8_t * p_str=pstr;
      FLASH_Unlock(FLASH_MEMTYPE_PROG);
      for(i=0;i<125;i++){
            if((Xmodem_Buffer[i+3]==CTRLZ)&&(Xmodem_Buffer[i+4]==CTRLZ)&&(Xmodem_Buffer[i+5]==CTRLZ))
            {
                     FULL_status=1;
                     j=i;
                     break;
            }
      }
      if(FULL_status==0){
         //App_address
            for(i=0;i<128;i++){
                     FLASH_EraseByte(App_address+i);
                     //delay_ms(1);
                     FLASH_ProgramByte(App_address+i,Xmodem_Buffer[3+i]);
            }
      }
      else {
            //App_address
            for(i=0;i<j;i++){
                     FLASH_EraseByte(App_address+i);
                     //delay_ms(1);
                     FLASH_ProgramByte(App_address+i,Xmodem_Buffer[3+i]);
            }
      }
      FLASH_Lock(FLASH_MEMTYPE_PROG);
}
*/
void firmware_option(void)
{
      uint16_t i=0;
      //uint8_t * p_str=pstr;
      FLASH_Unlock(FLASH_MEMTYPE_PROG);
      //App_address
      for(i=0;i<128;i++){
            FLASH_EraseByte(App_address+i);
            //delay_ms(1);
            FLASH_ProgramByte(App_address+i,Xmodem_Buffer[3+i]);
      }
      FLASH_Lock(FLASH_MEMTYPE_PROG);
}

void eraser_option(void)
{
      uint16_t i=0;
      //uint8_t * p_str=pstr;
      FLASH_Unlock(FLASH_MEMTYPE_PROG);
      //App_address
      while(FLASH_ReadByte(App_address-1)==CTRLZ){
            FLASH_EraseByte(App_address-1);
App_address--;
      }
      FLASH_Lock(FLASH_MEMTYPE_PROG);
}

[/mw_shl_code]

串口IAP升级操作步骤说明1、准备工作先拷贝升级所需要的文件到桌面。（Win xp有自带的超级终端，怎么打开xp自带的超级终端这里不做介绍） Win7和win10需要自行下载超级终端软件。2、打开超级终端，如下图 1