有没有哪位大佬可以帮我解答一下，我的代码编译没有任何问题，但是下载到板子上没有任何反应
硬件配置用的是金斯特电子有限公司的KST—51单片机开发板，89c52RC的芯片
下面是开发板的原理图
#includetypedef signed char int8; // 8位有符号整型数 typedef signed int int16; //16位有符号整型数 typedef signed long int32; //32位有符号整型数 typedef unsigned char uint8; // 8位无符号整型数 typedef unsigned int uint16; //16位无符号整型数 typedef unsigned long uint32; //32位无符号整型数 #define SYS_MCLK (11059200/12) //系统主时钟频率，即振荡器频率÷12 sbit BUZZ = P1^6; //蜂鸣器控制引脚 uint8 T0RH = 0; //T0重载值的高字节 uint8 T0RL = 0; //T0重载值的低字节 uint8 T1RH = 0; //T1重载值的高字节 uint8 T1RL = 0; //T1重载值的低字节 void ConfigTimer0(unsigned int ms); void OpenBuzz(unsigned int frequ); void StopBuzz(); typedef unsigned int u16; //对数据类型进行声明定义 typedef unsigned char u8; #define GPIO_DIG P0 #define GPIO_KEY P1 sbit LED = P0; //位地址声明，注意：sbit必须小写、P大写！ sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3; sbit ENLED = P1^4; unsigned char code LedChar[] = { //数码管显示字符转换表 0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8, 0x80, 0x90, 0x88, 0x83, 0xC6, 0xA1, 0x86, 0x8E }; unsigned char LedBuff[6] = { //数码管显示缓冲区 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; sbit KEY_IN_1 = P2^4; sbit KEY_IN_2 = P2^5; sbit KEY_IN_3 = P2^6; sbit KEY_IN_4 = P2^7; sbit KEY_OUT_1 = P2^3; sbit KEY_OUT_2 = P2^2; sbit KEY_OUT_3 = P2^1; sbit KEY_OUT_4 = P2^0; uint8 code KeyCodeMap[4][4] = { //矩阵按键编号到标准键盘键码的映射表 { '1', '2', '3', 0x26 }, //数字键1、数字键2、数字键3、向上键 { '4', '5', '6', 0x25 }, //数字键4、数字键5、数字键6、向左键 { '7', '8', '9', 0x28 }, //数字键7、数字键8、数字键9、向下键 { '0', 0x1B, 0x0D, 0x27 } //数字键0、ESC键、 回车键、 向右键 }; uint8 pdata KeySta[4][4] = { //全部矩阵按键的当前状态 {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1} }; extern void KeyAction(uint8 keycode); void delay(u16 i) { while(i--); } void KeyLight(keycode) { ENLED = 0; ADDR3 = 1; ADDR2 = 1; ADDR1 = 1; ADDR0 = 0; if(keycode == '1') { P0 = P0^1; //向P0写入数据来控制LED小灯 } else if(keycode == '2') { P0 = P0^2; //向P0写入数据来控制LED小灯 } else if(keycode == '3') { P0 = P0^4; //向P0写入数据来控制LED小灯 } else if(keycode == '4') { P0 = P0^8; //向P0写入数据来控制LED小灯 } else if(keycode == '5') { P0 = P0^16; //向P0写入数据来控制LED小灯 } else if(keycode == '6') { P0 = P0^32; //向P0写入数据来控制LED小灯 } else if(keycode == '7') { P0 = P0^64; //向P0写入数据来控制LED小灯 } else if(keycode == '8') { P0 = P0^128; //向P0写入数据来控制LED小灯 } } void KeyNixieTube(keycode) { ENLED = 0;//使能U3，选择数码管DS1 ADDR3 = 1; ADDR2 = 0; ADDR1 = 0; ADDR0 = 0; if(keycode == '1') { P0 = 0xF9; //点亮数码管段b和c(1) //向P0写入数据来控制LED数码管 } else if(keycode == '2') { P0 = 0xA4; //点亮数码管段a,b,d,e,g(2) } else if(keycode == '3') { P0 = 0xB0; //点亮数码管段a,b,c,d,g(3) } else if(keycode == '4') { P0 = 0x99; //点亮数码管段b,c,f,g(4) } else if(keycode == '5') { P0 = 0x92; //点亮数码管段a,c,d,f,g(5) } else if(keycode == '6') { P0 = 0x82; //点亮数码管段a,c,d,e,f,g(6) } else if(keycode == '7') { P0 = 0xF8; //点亮数码管段a,b,c(7) } else if(keycode == '8') { P0 = 0x80; //点亮数码管段a,b,c,d,e,f,g(8) } } void KeyDriver() { uint8 i, j; static uint8 backup[4][4] = { //按键值备份，保存前一次的值 {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1} }; for (i=0; i<4; i++) //循环检测4*4的矩阵按键 { for (j=0; j<4; j++) { if (backup[i][j] != KeySta[i][j]) //检测按键动作 { if (backup[i][j] != 0) //按键按下时执行动作 { KeyAction(KeyCodeMap[i][j]); //调用按键动作函数 } backup[i][j] = KeySta[i][j]; //刷新前一次的备份值 } } } } void KeyScan() { uint8 i; static uint8 keyout = 0; //矩阵按键扫描输出索引 static uint8 keybuf[4][4] = { //矩阵按键扫描缓冲区 {0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF} }; //将一行的4个按键值移入缓冲区 keybuf[keyout][0] = (keybuf[keyout][0] << 1) | KEY_IN_1; keybuf[keyout][1] = (keybuf[keyout][1] << 1) | KEY_IN_2; keybuf[keyout][2] = (keybuf[keyout][2] << 1) | KEY_IN_3; keybuf[keyout][3] = (keybuf[keyout][3] << 1) | KEY_IN_4; //消抖后更新按键状态 for (i=0; i<4; i++) //每行4个按键，所以循环4次 { if ((keybuf[keyout][i] & 0x0F) == 0x00) { //连续4次扫描值为0，即4*4ms内都是按下状态时，可认为按键已稳定的按下 KeySta[keyout][i] = 0; } else if ((keybuf[keyout][i] & 0x0F) == 0x0F) { //连续4次扫描值为1，即4*4ms内都是弹起状态时，可认为按键已稳定的弹起 KeySta[keyout][i] = 1; } } //执行下一次的扫描输出 keyout++; //输出索引递增 keyout = keyout & 0x03; //索引值加到4即归零 switch (keyout) //根据索引，释放当前输出引脚，拉低下次的输出引脚 { case 0: KEY_OUT_4 = 1; KEY_OUT_1 = 0; break; case 1: KEY_OUT_1 = 1; KEY_OUT_2 = 0; break; case 2: KEY_OUT_2 = 1; KEY_OUT_3 = 0; break; case 3: KEY_OUT_3 = 1; KEY_OUT_4 = 0; break; default: break; } } void main() { EA = 1; //使能总中断 ENLED = 0; //选择数码管进行显示 ADDR3 = 1; TMOD = 0x01; //设置T0为模式1 TH0 = 0xFC; //为T0赋初值0xFC67，定时1ms TL0 = 0x67; ET0 = 1; //使能T0中断 TR0 = 1; //启动T0 LedBuff[0] = LedChar[0]; //上电显示0 LedBuff[1] = LedChar[0]; LedBuff[2] = LedChar[0]; LedBuff[3] = LedChar[0]; LedBuff[4] = LedChar[0]; LedBuff[5] = LedChar[0]; while (1) { KeyDriver(); //调用按键驱动函数 } } void KeyAction(uint8 keycode) { uint8 i; //控制蜂鸣器响多久 uint8 buf[1]; //用于存放按键号码 static uint8 permit = 0; //允许抢答标志 static uint8 done = 0; //抢答完成标志 if((keycode>='1') && (keycode<='8')) //数字键1-8执行抢答 { if(done == 0) { if(permit == 0) { buf[0] = keycode; } else { buf[0] = keycode; KeyLight(keycode); //调用按键对应LED灯效 KeyNixieTube(keycode); //调用按键对应LED数码管 OpenBuzz(4000); //蜂鸣器报警 for (i=0; i<40000; i++); StopBuzz(); //蜂鸣器停止 permit = 0; //禁止其他人抢答 done = 1; } } } else if (keycode == 0x0D) //回车键，开始抢答 { if(done == 0) { OpenBuzz(4000); //蜂鸣器报警 for (i=0; i<40000; i++); StopBuzz(); permit = 1; //允许抢答 } } else if (keycode == 0x1B) //Esc键，清除 { permit = 0; //不允许抢答 done = 0; //抢答完成 } } void ConfigTimer0(unsigned int ms) { uint32 tmp; //临时变量 tmp = 11059200 / 12; //定时器计数频率 tmp = (tmp * ms) / 1000; //计算所需的计数值 tmp = 65536 - tmp; //计算定时器重载值 tmp = tmp + 13; //补偿中断响应延时造成的误差 T0RH = (uint8)(tmp>>8); //定时器重载值拆分为高低字节 T0RL = (uint8)tmp; TMOD &= 0x00; //清零T0的控制位 TMOD |= 0x11; //配置T0为模式1 TH0 = T0RH; //加载T0重载值 TL0 = T0RL; ET0 = 1; //使能T0中断 TR0 = 1; //启动T0 } void OpenBuzz(unsigned int frequ) { uint16 reload; //计算所需的定时器重载值 reload = 65536 - (11059200/12)/(frequ*2); //由给定频率计算定时器重载值 T1RH = (uint8)(reload >> 8); //16位重载值分解为高低两个字节 T1RL = (uint8)reload; TH1 = 0xFF; //设定一个接近溢出的初值，以使定时器马上投入工作 TL1 = 0xFE; ET1 = 1; //使能T1中断 TR1 = 1; //启动T1 } void StopBuzz() { ET1 = 0; //禁用T1中断 TR1 = 0; //停止T1 } void InterruptTimer0() interrupt 1 { TH0 = T0RH; //重新加载重载值 TL0 = T0RL; KeyScan(); //键盘扫描 } void InterruptTimer1() interrupt 3 { TH1 = T1RH; //重新加载重载值 TL1 = T1RL; BUZZ = ~BUZZ; //反转蜂鸣器控制电平 }
