芯片解密STM32单片机双机串口交互程序与Proteus仿真
芯片解密int main(void)
{
vu8 key=0;
u8 t;
u8 len;
u16 times=0;
u16 SOC=100;
u16 KM=300;
u8 a,b,c;
u8 d,e,f;
Stm32_Clock_Init(9); //系统时钟设置
// delay_init(); //延时函数初始化
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);// 设置中断优先级分组2
uart_init(9600); //串口初始化为9600
LED_Init(); //初始化与LED连接的硬件接口
// KEY_Init();
LCD1602_Init();
LCD1602_ShowStr(2,0,"SOC %",10);
LCD1602_ShowStr(2,1,"Range km",12);
for(t=0;t<10;t++)
{
Array[t]=t;
}
while(1)
{
if(USART_RX_BUF[0]==0x00)
{//加
hxf_delay_s(2);
LED5=!LED5;
SOC+=1;
KM+=3;
if(SOC>100){SOC=100;}
if(KM>300){KM=300;}
a=SOC/100;
b=SOC%100/10;
c=SOC%10;
LCD_ShowNum(7,0,a);
LCD_ShowNum(8,0,b);
LCD_ShowNum(9,0,c);
d=KM/100;
e=KM%100/10;
f=KM%10;
LCD_ShowNum(9,1,d);
LCD_ShowNum(10,1,e);
LCD_ShowNum(11,1,f);
hxf_delay_s(2);
USART_SendData(USART1, 0x00);
hxf_delay_s(2);
USART_SendData(USART1, 0x01);
hxf_delay_s(2);
USART_SendData(USART1, 0x02);
hxf_delay_s(2);
USART_SendData(USART1, 0x03);
hxf_delay_s(2);
USART_SendData(USART1, 0xaa);
}
if(USART_RX_BUF[0]==0x02)
{//减
hxf_delay_s(2);
LED3=!LED3;
if(SOC>0){SOC-=1;}
if(KM>0){KM-=3;}
a=SOC/100;
b=SOC%100/10;
c=SOC%10;
LCD_ShowNum(7,0,a);
LCD_ShowNum(8,0,b);
LCD_ShowNum(9,0,c);
d=KM/100;
e=KM%100/10;
f=KM%10;
LCD_ShowNum(9,1,d);
LCD_ShowNum(10,1,e);
LCD_ShowNum(11,1,f);
hxf_delay_s(2);
USART_SendData(USART1, 0x02);
hxf_delay_s(2);
USART_SendData(USART1, 0x01);
hxf_delay_s(2);
USART_SendData(USART1, 0x02);
hxf_delay_s(2);
USART_SendData(USART1, 0x03);
hxf_delay_s(2);
USART_SendData(USART1, 0xaa);
}

芯片解密