#include "stm32f10x.h" // Device header
#include <stdio.h>
#include <sys.h>
#include <usart.h>
#include <led.h>
#include <stmflash.h>
#include <IAP.h>
#include <OLED12864.h>
#include <delay.h>
int main(void)
{
u8 t = 0;
u8 clearflag = 0;
u8 RUNflag = 0;
u16 oldcount = 0; //老的串口接收数据值
u32 applenth = 0; //接收到的app代码长度
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置系统中断优先级分组2
delay_init(); //初始化延时函数
uart_init(115200); //初始化串口波特率为115200
LED_Init(); //初始化LED
OLED_Init();
delay_ms(5);
OLED_8x16(0, 0, "Explorer STM32");
OLED_8x16(0, 2, "RAM->FLASH");
printf(" 请传输文件 \r\n");
printf("---------------------------"); delay_ms(500);
while (1)
{
if (USART_RX_CNT)
{
if (oldcount == USART_RX_CNT) //新周期内,没收到数据,认为本次接收完成.
{
applenth = USART_RX_CNT;
oldcount = 0;
USART_RX_CNT = 0;
printf("用户程序接收完成!\r\n");
printf("代码长度:%dBytes\r\n", applenth);
} else oldcount = USART_RX_CNT;
}
t++;
delay_ms(100);
Dis_Num(0, 6, t, 3);
if (t == 100 )
{
LED0 = !LED0; t = 0;
iap_load_app(FLASH_APP1_ADDR);//执行FLASH APP代码
if (clearflag)
{
clearflag--;
if (clearflag == 0) OLED_8x16(5, 4, "XXXXXX");
}
}
if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0) == 1 && t >= 0 && t <= 50)
{
printf("固件清除完成!\r\n");
OLED_8x16(5, 4, "Erase Successed");
applenth = 0;
clearflag = 1;
iap_write_appbin(FLASH_APP1_ADDR, 0, 458725); //(（512-64)*1024) 清除bootloader后代码
}
if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_0) == 1 && t >= 50 && t <= 100) //WK_UP按键按下
{
if (applenth)
{
printf("开始更新固件...\r\n");
OLED_8x16(5, 4, "START");
if (((*(vu32*)(0X20001000 + 4)) & 0xFF000000) == 0x08000000) //判断是否为0X08XXXXXX.
{
iap_write_appbin(FLASH_APP1_ADDR, USART_RX_BUF, applenth); //更新FLASH代码
OLED_8x16(5, 4, "Successed!!");
printf("固件更新完成!\r\n");
RUNflag = 0x17;
} else
{
OLED_8x16(5, 4, "Illegal FLASH APP! ");
printf("非FLASH应用程序! \r\n");
}
} else
{
printf("没有可以更新的固件!\r\n");
OLED_8x16(5, 4, "No APP _SRMP! ");
}
clearflag = 1; //标志更新了显示,并且设置7*300ms后清除显示
}
if (RUNflag == 0x17) {
printf("开始执行FLASH用户代码!! \r\n");
if (((*(vu32*)(FLASH_APP1_ADDR + 4)) & 0xFF000000) == 0x08000000) //判断是否为0X08XXXXXX.
{
iap_load_app(FLASH_APP1_ADDR);//执行FLASH APP代码
} else
{
printf("非FLASH应用程序,无法执行!\r\n");
OLED_8x16(5, 6, " APP NO.RUN. ");
delay_ms(1000);
OLED_8x16(5, 6, " APP NO.RUN.. ");
delay_ms(1000);
OLED_8x16(5, 6, " APP NO.RUN... ");
}
clearflag = 1;
}
}
}
|
