串口调试助手通信调试原理图PCB及使用手册【简要说明】1、尺寸：长170mmX宽72mmX高18mm二、主要芯片：单片机，MAX485，MAX232三、工作电压：6V至40V,功耗小于1W四、特点：1、具有稳压电路，输入电压广，具有电源指示灯。
2、具有485通信和232通信及TTL通信。
3、具有数码管数据显示，蜂鸣器提示音4、波特率可调分别是 2400 4800 9600 192005、采用大按键，机械寿命长。
6、单片机编程，提供源代码7、可发送20组数据8、具有系统复位按键9、端子采用螺旋压接端子10、工作温度-40度至 +70度11、工作湿度 40% ~ 80%RH12、板子静态功耗小于1W13、具有续流保护14、具有电磁抗干扰能力15、板子稳定工作可靠16、板子可安装在DIN导轨上面使用说明：【标注说明】【功能描述】【原理图】【PCB图】【元件清单】【应用举例】【应用举例2】例如：将下面一组数据通过串口发送给电脑。
波特率是9600,电脑用串口助手显示出来。
数据是：A0 B2 CC FF EF D8 90 88第一步：板子供电，串口连接电脑，查看串口号。
如下图：我的电脑--属性--硬件---设备管理器---端口设备。
如下图：第三步：从发送板，按下下面一组数据，数据是：A0 B2 CC FF EF D8 90 88数据按完之后，按发送键“S2”，如果数据输入错误，可以按”S1”按键清零，重新输入。
如果要发送多遍，重复按“S2”按键。
单遍发送如下图。
【源代码程序】/*一次最多发送20组数据，大于这个数据就不再发送*/#include <STC12C5A60S2.H>#define uchar unsigned char#define uint unsigned int/**************************************************************/unsigned char T0RH = 0; //T0重载值的高字节unsigned char T0RL = 0; //T0重载值的低字节extern void UartDriver();//串口驱动函数，监测数据帧的接收，调度功能函数，需在主循环中调用extern void ConfigUART(unsigned int baud);//串口配置函数，baud-通信波特率extern void ConfigUART1(unsigned int baud1);//串口配置函数，baud-通信波特率extern void UartRxMonitor(unsigned char ms); //串口接收监控，由空闲时间判定帧结束，需在定时中断中调用，ms-定时间隔extern void SendString(char *s) ;extern void UartWrite(unsigned char *buf, unsigned char len);//串口数据写入，即串口发送函数，buf-待发送数据的指针，len-指定的发送长度extern void fengming();uchar zh[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};uchar jieshou[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; uchar jj = 0;/*****************************************************************/sbit out0 = P2^0;sbit out1 = P2^1;sbit out2 = P2^2;sbit out3 = P2^3;sbit in0 = P2^4;sbit in1 =P2^5;sbit in2 =P2^6;sbit in3 =P2^7;sbit smgk = P3^6;sbit boma1 = P1^1;sbit boma2 = P1^0;bit d1 = 1;bit d2 = 1;sbit in4 = P1^6;sbit in5 = P1^5;uchar code xianshi [] ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xbf};uchar dangqianzhuangtai[4][4] = {{1,1,1,1},{1,1,1,1},{1,1,1,1},{1,1,1,1}};void t0 () interrupt 1{uchar i;static uchar lie = 0;static uchar sao[2] = {1,1};static uchar saomiaobaocun [4][4] = {{0xff,0xff,0xff,0xff},{0xff,0xff,0xff,0xff},{0xff,0xff,0xff,0xff},{0xff,0xff,0xff,0xff}};TH0 = 0xfc;TL0 = 0x67;UartRxMonitor(1); //串口接收监控sao[0] = (sao[0]<<1) |in4;sao[1] = (sao[1]<<1) |in5;saomiaobaocun [lie][0] = (saomiaobaocun [lie][0]<<1) | in0; saomiaobaocun [lie][1] = (saomiaobaocun [lie][1]<<1) | in1; saomiaobaocun [lie][2] = (saomiaobaocun [lie][2]<<1) | in2; saomiaobaocun [lie][3] = (saomiaobaocun [lie][3]<<1) | in3;if(sao[0] == 0x00){d1 = 0;}else if(sao[0] == 0xff){d1 = 1;}if(sao[1] == 0x00){d2 = 0;}else if(sao[1] == 0xff){d2 = 1;}for (i=0;i<4;i++){if ((saomiaobaocun [lie][i] & 0x0f) == 0x00){dangqianzhuangtai[lie][i] = 0;}else if ((saomiaobaocun [lie][i] & 0x0f) == 0x0f){dangqianzhuangtai[lie][i] = 1;}}lie++;lie = lie & 0x03;switch (lie){case 0 : out1 = 1; out2 = 1; out3 = 1; out0 = 0; break;case 1 : out0 = 1; out2 = 1; out3 = 1; out1 = 0; break;case 2 : out0 = 1; out1 = 1; out3 = 1; out2 = 0; break;case 3 : out0 = 1; out1 = 1; out2 = 1; out3 = 0; break;}}void main (){uchar i,j;bit q1 = 1;bit q2 = 1;uchar qianyicizhuangtai[4][4] = {{1,1,1,1},{1,1,1,1},{1,1,1,1},{1,1,1,1}};smgk = 0;TMOD = 0x01;TH0 = 0xfc;TL0 = 0x67;TR0 = 1;EA = 1;ET0 = 1;P0 = xianshi[16];// ConfigUART(9600); //配置波特率为9600while (1){UartDriver(); //调用串口驱动if((boma1 == 0)&&(boma2 != 0)){ConfigUART(2400); //配置波特率为1200}if((boma2 == 0)&&(boma1 != 0)){ConfigUART(4800); //配置波特率为4800}if((boma1 == 0)&&(boma2 == 0)){ConfigUART(9600); //配置波特率为9600}if((boma1 != 0)&&(boma2 != 0)){ConfigUART1(19200); //配置波特率为19200 }if(d1 != q1){q1 = d1;if(d1 == 0){if((jj != 0)&&(jj <= 2)){zh[0] = jieshou[0] | jieshou[1];UartWrite(zh, 1);fengming();}if((jj > 2)&&(jj <= 4)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];UartWrite(zh, 2);fengming();}if((jj > 4)&&(jj <= 6)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];UartWrite(zh, 3);fengming();}if((jj > 6)&&(jj <= 8)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];UartWrite(zh, 4);fengming();}if((jj > 8)&&(jj <= 10)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];zh[4] = jieshou[8] | jieshou[9];UartWrite(zh, 5);fengming();}if((jj > 10)&&(jj <= 12)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];zh[4] = jieshou[8] | jieshou[9];zh[5] = jieshou[10] | jieshou[11];UartWrite(zh, 6);fengming();}if((jj > 12)&&(jj <= 14)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];zh[4] = jieshou[8] | jieshou[9];zh[5] = jieshou[10] | jieshou[11];zh[6] = jieshou[12] | jieshou[13];UartWrite(zh, 7);fengming();}if((jj > 14)&&(jj <= 16)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];zh[4] = jieshou[8] | jieshou[9];zh[5] = jieshou[10] | jieshou[11];zh[6] = jieshou[12] | jieshou[13];zh[7] = jieshou[14] | jieshou[15];UartWrite(zh, 8);fengming();}if((jj > 16)&&(jj <= 18)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];zh[4] = jieshou[8] | jieshou[9];zh[5] = jieshou[10] | jieshou[11];zh[6] = jieshou[12] | jieshou[13];zh[7] = jieshou[14] | jieshou[15];zh[8] = jieshou[16] | jieshou[17];UartWrite(zh, 9);fengming();}if((jj > 18)&&(jj <= 20)){zh[0] = jieshou[0] | jieshou[1];zh[1] = jieshou[2] | jieshou[3];zh[2] = jieshou[4] | jieshou[5];zh[3] = jieshou[6] | jieshou[7];zh[4] = jieshou[8] | jieshou[9];zh[5] = jieshou[10] | jieshou[11];zh[6] = jieshou[12] | jieshou[13];zh[7] = jieshou[14] | jieshou[15];zh[8] = jieshou[16] | jieshou[17];zh[9] = jieshou[18] | jieshou[19];UartWrite(zh, 10);fengming();}}}if(d2 != q2){q2 = d2;if(d2 == 0){jj = 0;jieshou[0] = 0x00;jieshou[1] = 0x00;jieshou[2] = 0x00;jieshou[3] = 0x00;jieshou[4] = 0x00;jieshou[5] = 0x00;jieshou[6] = 0x00;jieshou[7] = 0x00;jieshou[8] = 0x00;jieshou[9] = 0x00;P0 = xianshi[16];fengming();}}for (i=0;i<4;i++){for (j=0;j<4;j++){if(dangqianzhuangtai[i][j] != qianyicizhuangtai[i][j] ){qianyicizhuangtai[i][j] = dangqianzhuangtai[i][j];if(qianyicizhuangtai[i][j] != 0){jj++;if((i*4+j) < 9){P0 = xianshi[i*4+j+1];}if((i*4+j) == 9){P0 = xianshi[0];}if((i*4+j) > 9){P0 = xianshi[i*4+j];}fengming();/******************1组**************************/if(jj == 1){//jieshou[0] = i*4+j;//jieshou[0] = jieshou[0] << 4;if((i*4+j) < 9){jieshou[0] = i*4+j+1;if((i*4+j) == 9){jieshou[0] = 0;}if((i*4+j) > 9){jieshou[0] = i*4+j;}jieshou[0] = jieshou[0] << 4;}if(jj == 2){//jieshou[1] = i*4+j;if((i*4+j) < 9){jieshou[1] = i*4+j+1;}if((i*4+j) == 9){jieshou[1] = 0;}if((i*4+j) > 9){jieshou[1] = i*4+j;}}/******************2组**************************/ if(jj == 3){//jieshou[2] = i*4+j;if((i*4+j) < 9){jieshou[2] = i*4+j+1;}if((i*4+j) == 9){jieshou[2] = 0;}if((i*4+j) > 9){jieshou[2] = i*4+j;jieshou[2] = jieshou[2] << 4;}if(jj == 4){//jieshou[3] = i*4+j;if((i*4+j) < 9){jieshou[3] = i*4+j+1;}if((i*4+j) == 9){jieshou[3] = 0;}if((i*4+j) > 9){jieshou[3] = i*4+j;}}/******************3组**************************/ if(jj == 5){//jieshou[4] = i*4+j;if((i*4+j) < 9){jieshou[4] = i*4+j+1;}if((i*4+j) == 9){jieshou[4] = 0;}if((i*4+j) > 9){jieshou[4] = i*4+j;}jieshou[4] = jieshou[4] << 4;}if(jj == 6){//jieshou[5] = i*4+j;if((i*4+j) < 9){jieshou[5] = i*4+j+1;}if((i*4+j) == 9){jieshou[5] = 0;}if((i*4+j) > 9){jieshou[5] = i*4+j;}}/******************4组**************************/ if(jj == 7){//jieshou[6] = i*4+j;if((i*4+j) < 9){jieshou[6] = i*4+j+1;}if((i*4+j) == 9){jieshou[6] = 0;}if((i*4+j) > 9){jieshou[6] = i*4+j;}jieshou[6] = jieshou[6] << 4;}if(jj == 8){//jieshou[7] = i*4+j;if((i*4+j) < 9){jieshou[7] = i*4+j+1;}if((i*4+j) == 9){jieshou[7] = 0;}if((i*4+j) > 9){jieshou[7] = i*4+j;}}/******************5组**************************/if(jj == 9){//jieshou[8] = i*4+j;if((i*4+j) < 9){jieshou[8] = i*4+j+1;}if((i*4+j) == 9){jieshou[8] = 0;}if((i*4+j) > 9){jieshou[8] = i*4+j;}jieshou[8] = jieshou[8] << 4;}if(jj == 10){//jieshou[9] = i*4+j;if((i*4+j) < 9){jieshou[9] = i*4+j+1;}if((i*4+j) == 9){jieshou[9] = 0;}if((i*4+j) > 9){jieshou[9] = i*4+j;}}/******************6组**************************/ if(jj == 11){//jieshou[10] = i*4+j;if((i*4+j) < 9){jieshou[10] = i*4+j+1;}if((i*4+j) == 9){jieshou[10] = 0;}if((i*4+j) > 9){jieshou[10] = i*4+j;}jieshou[10] = jieshou[10] << 4;}if(jj == 12){//jieshou[11] = i*4+j;if((i*4+j) < 9){jieshou[11] = i*4+j+1;}if((i*4+j) == 9){jieshou[11] = 0;}if((i*4+j) > 9){jieshou[11] = i*4+j;}}/******************7组**************************/ if(jj == 13){//jieshou[12] = i*4+j;if((i*4+j) < 9){jieshou[12] = i*4+j+1;}if((i*4+j) == 9){jieshou[12] = 0;}if((i*4+j) > 9){jieshou[12] = i*4+j;}jieshou[12] = jieshou[12] << 4;}if(jj == 14){//jieshou[13] = i*4+j;if((i*4+j) < 9){jieshou[13] = i*4+j+1;}if((i*4+j) == 9){jieshou[13] = 0;}if((i*4+j) > 9){jieshou[13] = i*4+j;}}/******************8组**************************/ if(jj == 15){//jieshou[14] = i*4+j;if((i*4+j) < 9){jieshou[14] = i*4+j+1;}if((i*4+j) == 9){jieshou[14] = 0;}if((i*4+j) > 9){jieshou[14] = i*4+j;}jieshou[14] = jieshou[14] << 4;}if(jj == 16){//jieshou[15] = i*4+j;if((i*4+j) < 9){jieshou[15] = i*4+j+1;}if((i*4+j) == 9){jieshou[15] = 0;}if((i*4+j) > 9){jieshou[15] = i*4+j;}}/******************9组**************************/ if(jj == 17){//jieshou[16] = i*4+j;if((i*4+j) < 9){jieshou[16] = i*4+j+1;}if((i*4+j) == 9){jieshou[16] = 0;}if((i*4+j) > 9){jieshou[16] = i*4+j;}jieshou[16] = jieshou[16] << 4;}if(jj == 18){//jieshou[17] = i*4+j;if((i*4+j) < 9){jieshou[17] = i*4+j+1;}if((i*4+j) == 9){jieshou[17] = 0;}if((i*4+j) > 9){jieshou[17] = i*4+j;}}/******************10组**************************/ if(jj == 19){//jieshou[18] = i*4+j;if((i*4+j) < 9){jieshou[18] = i*4+j+1;}if((i*4+j) == 9){jieshou[18] = 0;}if((i*4+j) > 9){jieshou[18] = i*4+j;}jieshou[18] = jieshou[18] << 4;}if(jj == 20){//jieshou[19] = i*4+j;if((i*4+j) < 9){jieshou[19] = i*4+j+1;}if((i*4+j) == 9){jieshou[19] = 0;}if((i*4+j) > 9){jieshou[19] = i*4+j;}}}}}}}}void UartAction(unsigned char *buf, unsigned char len){//在接收到的数据帧后添加换车换行符后发回// buf[len++] = '\r';//buf[len++] = '\n';UartWrite(buf, (len-2));}【真值表】【图片展示】。
