自己设计的,模拟dtmf电话拨码系统,开发板用的是stm32,功能是通过按键输出到stm32,并通过TFTLCD显示。刚开始用的矩阵键盘,但由于开发板io口有限,自己做了一个触摸屏,并在触摸屏上显示数字,通过tlc5615输出两路叠加的模拟信号。本工程为大致工程,有问题请回帖
单片机源程序如下:
- #include "sys.h"
- #include "usart.h"
- #include "delay.h"
- #include "led.h"
- #include "lcd.h"
- #include "key.h"
- #include "24cxx.h"
- #include "touch.h"
- #include <stdlib.h>
- #include "delay.h"
- #include "tlc5615.h"
- #include "wave_form.h"
- //#include "stm32f10x_rcc.h"
- //#include "stm32f10x_spi.h"
- //#include "stm32f10x_gpio.h"
-
- void Draw_Board(void);
- void Scan_Board(void);
- //void TCL5615_init(void);
- //void sin_wave(void);
- void Load_Drow_Dialog(void)
- {
- LCD_Clear(WHITE);//清屏
- POINT_COLOR=BLUE;//设置字体为蓝色
- LCD_ShowString(lcddev.width-24,0,200,16,16,"RST");//显示清屏区域
- POINT_COLOR=RED;//设置画笔蓝色
- }
- ////////////////////////////////////////////////////////////////////////////////
- //电容触摸屏专有部分
- //画水平线
- //x0,y0:坐标
- //len:线长度
- //color:颜色
- void gui_draw_hline(u16 x0,u16 y0,u16 len,u16 color)
- {
- if(len==0)return;
- LCD_Fill(x0,y0,x0+len-1,y0,color);
- }
- //画实心圆
- //x0,y0:坐标
- //r:半径
- //color:颜色
- void gui_fill_circle(u16 x0,u16 y0,u16 r,u16 color)
- {
- u32 i;
- u32 imax = ((u32)r*707)/1000+1;
- u32 sqmax = (u32)r*(u32)r+(u32)r/2;
- u32 x=r;
- gui_draw_hline(x0-r,y0,2*r,color);
- for (i=1;i<=imax;i++)
- {
- if ((i*i+x*x)>sqmax)// draw lines from outside
- {
- if (x>imax)
- {
- gui_draw_hline (x0-i+1,y0+x,2*(i-1),color);
- gui_draw_hline (x0-i+1,y0-x,2*(i-1),color);
- }
- x--;
- }
- // draw lines from inside (center)
- gui_draw_hline(x0-x,y0+i,2*x,color);
- gui_draw_hline(x0-x,y0-i,2*x,color);
- }
- }
- //两个数之差的绝对值
- //x1,x2:需取差值的两个数
- //返回值:|x1-x2|
- u16 my_abs(u16 x1,u16 x2)
- {
- if(x1>x2)return x1-x2;
- else return x2-x1;
- }
- //画一条粗线
- //(x1,y1),(x2,y2):线条的起始坐标
- //size:线条的粗细程度
- //color:线条的颜色
- void lcd_draw_bline(u16 x1, u16 y1, u16 x2, u16 y2,u8 size,u16 color)
- {
- u16 t;
- int xerr=0,yerr=0,delta_x,delta_y,distance;
- int incx,incy,uRow,uCol;
- if(x1<size|| x2<size||y1<size|| y2<size)return;
- delta_x=x2-x1; //计算坐标增量
- delta_y=y2-y1;
- uRow=x1;
- uCol=y1;
- if(delta_x>0)incx=1; //设置单步方向
- else if(delta_x==0)incx=0;//垂直线
- else {incx=-1;delta_x=-delta_x;}
- if(delta_y>0)incy=1;
- else if(delta_y==0)incy=0;//水平线
- else{incy=-1;delta_y=-delta_y;}
- if( delta_x>delta_y)distance=delta_x; //选取基本增量坐标轴
- else distance=delta_y;
- for(t=0;t<=distance+1;t++ )//画线输出
- {
- gui_fill_circle(uRow,uCol,size,color);//画点
- xerr+=delta_x ;
- yerr+=delta_y ;
- if(xerr>distance)
- {
- xerr-=distance;
- uRow+=incx;
- }
- if(yerr>distance)
- {
- yerr-=distance;
- uCol+=incy;
- }
- }
- }
- ////////////////////////////////////////////////////////////////////////////////
- //5个触控点的颜色
- //电阻触摸屏测试函数
- void rtp_test(void)
- {
- u8 key;
- u8 i=0;
- while(1)
- {
- key=KEY_Scan(0);
- Scan_Board();
- // tp_dev.scan(0);
- // if(tp_dev.sta&TP_PRES_DOWN) //触摸屏被按下
- // {
- // if(tp_dev.x[0]<lcddev.width&&tp_dev.y[0]<lcddev.height)
- // {
- // if(tp_dev.x[0]>(lcddev.width-24)&&tp_dev.y[0]<16)
- // {
- // Load_Drow_Dialog();//清除
- // LCD_ShowString(30,40,200,24,24,"1");
- // }
- //// else TP_Draw_Big_Point(tp_dev.x[0],tp_dev.y[0],RED); //画图
- // }
- // }else delay_ms(10); //没有按键按下的时候
- if(key==KEY0_PRES) //KEY0按下,则执行校准程序
- {
- LCD_Clear(WHITE);//清屏
- TP_Adjust(); //屏幕校准
- TP_Save_Adjdata();
- Load_Drow_Dialog();
- }
- i++;
- if(i%20==0)LED0=!LED0;
- }
- }
- const u16 POINT_COLOR_TBL[CT_MAX_TOUCH]={RED,GREEN,BLUE,BROWN,GRED};
- //电容触摸屏测试函数
- void ctp_test(void)
- {
- u8 t=0;
- u8 i=0;
- u16 lastpos[5][2]; //最后一次的数据
- while(1)
- {
- tp_dev.scan(0);
- for(t=0;t<CT_MAX_TOUCH;t++)//最多5点触摸
- {
- if((tp_dev.sta)&(1<<t))//判断是否有点触摸?
- {
- if(tp_dev.x[t]<lcddev.width&&tp_dev.y[t]<lcddev.height)//在LCD范围内
- {
- if(lastpos[t][0]==0XFFFF)
- {
- lastpos[t][0] = tp_dev.x[t];
- lastpos[t][1] = tp_dev.y[t];
- }
- lcd_draw_bline(lastpos[t][0],lastpos[t][1],tp_dev.x[t],tp_dev.y[t],2,POINT_COLOR_TBL[t]);//画线
- lastpos[t][0]=tp_dev.x[t];
- lastpos[t][1]=tp_dev.y[t];
- if(tp_dev.x[t]>(lcddev.width-24)&&tp_dev.y[t]<16)
- {
- Load_Drow_Dialog();//清除
- }
- }
- }else lastpos[t][0]=0XFFFF;
- }
-
- delay_ms(5);i++;
- if(i%20==0)LED0=!LED0;
- }
- }
- void Draw_Check(void)
- {
- LCD_DrawLine(10,195+10,240-10,195+10);//00
- LCD_DrawLine(10,230+10,240-10,230+10);
- LCD_DrawLine(10,265+10,240-10,265+10);
- LCD_DrawLine(10+55,160+10,10+55,320-10);
- LCD_DrawLine(10+55,160+10,10+55,320-10);
- LCD_DrawLine(10+110,160+10,10+110,320-10);
- LCD_DrawLine(10+165,160+10,10+165,320-10);
- }
- void LCD_ShowNumber(void)
- {
- LCD_ShowString(25,175,25,25,24,"1");
- LCD_ShowString(75,175,25,25,24,"2");
- LCD_ShowString(125,175,25,25,24,"3");
- LCD_ShowString(180,175,25,25,24,"A");
- LCD_ShowString(25,210,25,25,24,"4");
- LCD_ShowString(75,210,25,25,24,"5");
- LCD_ShowString(125,210,25,25,24,"6");
- LCD_ShowString(180,210,25,25,24,"B");
- LCD_ShowString(25,245,25,25,24,"7");
- LCD_ShowString(75,245,25,25,24,"8");
- LCD_ShowString(125,245,25,25,24,"9");
- LCD_ShowString(180,245,25,25,24,"C");
- LCD_ShowString(25,280,25,25,24,"*");
- LCD_ShowString(75,280,25,25,24,"0");
- LCD_ShowString(125,280,25,25,24,"#");
- LCD_ShowString(180,280,25,25,24,"D");
- }
- void Draw_Board(void)
- {
- LCD_DrawRectangle(10,160+10,240-10,320-10);
- }
- //void Scan_Board(void)
- //{
- //// u8 show_string[8];00
- ////show_string = (u8 *) malloc(1);00
- // tp_dev.scan(0);
- // if(tp_dev.sta&TP_PRES_DOWN) //触摸屏被按下
- // {
- //// printf("x:%3d, y:%3d\r\n",tp_dev.x[0], tp_dev.y[0]);00
- // if(tp_dev.x[0]<(240-5)&&tp_dev.y[0]<(320-5))
- // {
- // if(tp_dev.x[0]>(5)&&tp_dev.y[0]>(160+5));
- // {
- // LCD_ShowString(30,40,200,24,24,"X:");
- // LCD_ShowxNum(60,40,(u32)tp_dev.x[0],3,24,0x00);
- // LCD_ShowString(30,70,200,24,24,"Y:");
- // LCD_ShowxNum(60,70,(u32)tp_dev.y[0],3,24,0x00);
- // }
- // }
- // }else delay_ms(10); //没有按键按下的时候
- //// free(show_string); 00
- //}
- void Scan_Board(void)
- {
- tp_dev.scan(0);
- if(tp_dev.sta&TP_PRES_DOWN) //触摸屏被按下
- {
- if(tp_dev.x[0]<(65)&&tp_dev.y[0]<(205)&&tp_dev.x[0]>10&&tp_dev.y[0]>170)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"1");
- sin_wave();
- }
- if(tp_dev.x[0]<(120)&&tp_dev.y[0]<(205)&&tp_dev.x[0]>65&&tp_dev.y[0]>170)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"2");
- }
- if(tp_dev.x[0]<(175)&&tp_dev.y[0]<(205)&&tp_dev.x[0]>120&&tp_dev.y[0]>170)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"3");
- }
- if(tp_dev.x[0]<(230)&&tp_dev.y[0]<(205)&&tp_dev.x[0]>175&&tp_dev.y[0]>170)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"A");
- }
- if(tp_dev.x[0]<(65)&&tp_dev.y[0]<(240)&&tp_dev.x[0]>10&&tp_dev.y[0]>205)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"4");
- }
- if(tp_dev.x[0]<(120)&&tp_dev.y[0]<(240)&&tp_dev.x[0]>65&&tp_dev.y[0]>205)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"5");
- }
- if(tp_dev.x[0]<(175)&&tp_dev.y[0]<(240)&&tp_dev.x[0]>120&&tp_dev.y[0]>205)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"6");
- }
- if(tp_dev.x[0]<(230)&&tp_dev.y[0]<(240)&&tp_dev.x[0]>175&&tp_dev.y[0]>205)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"B");
- }
- if(tp_dev.x[0]<(65)&&tp_dev.y[0]<(275)&&tp_dev.x[0]>10&&tp_dev.y[0]>240)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"7");
- }
- if(tp_dev.x[0]<(120)&&tp_dev.y[0]<(275)&&tp_dev.x[0]>65&&tp_dev.y[0]>240)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"8");
- }
- if(tp_dev.x[0]<(175)&&tp_dev.y[0]<(275)&&tp_dev.x[0]>120&&tp_dev.y[0]>240)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"9");
- }
- if(tp_dev.x[0]<(230)&&tp_dev.y[0]<(275)&&tp_dev.x[0]>175&&tp_dev.y[0]>240)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"C");
- }
- if(tp_dev.x[0]<(65)&&tp_dev.y[0]<(310)&&tp_dev.x[0]>10&&tp_dev.y[0]>275)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"*");
- }
- if(tp_dev.x[0]<(120)&&tp_dev.y[0]<(310)&&tp_dev.x[0]>65&&tp_dev.y[0]>275)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"0");
- }
- if(tp_dev.x[0]<(175)&&tp_dev.y[0]<(310)&&tp_dev.x[0]>120&&tp_dev.y[0]>275)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"#");
- }
- if(tp_dev.x[0]<(230)&&tp_dev.y[0]<(310)&&tp_dev.x[0]>175&&tp_dev.y[0]>275)
- {
- LCD_ShowString(60,50,200,16,16,"The Number Is:");
- LCD_ShowString(60,70,200,16,16,"D");
- }
- }
- }
- int main(void)
- {
- Stm32_Clock_Init(9); //系统时钟设置
- uart_init(72,9600); //串口初始化为9600
- delay_init(72); //延时初始化
- LED_Init(); //初始化与LED连接的硬件接口
- LCD_Init(); //初始化LCD
- KEY_Init(); //按键初始化
- TCL5615_init();
- tp_dev.init(); //触摸屏初始化
- POINT_COLOR=RED;//设置字体为红色
- // LCD_ShowString(60,50,200,16,16,"The Number Is:");
- // LCD_ShowString(60,70,200,16,16,"TOUCH TEST");
- // LCD_ShowString(60,90,200,16,16,"ATOM@ALIENTEK");
- // LCD_ShowString(60,110,200,16,16,"2014/3/11");
- //if(tp_dev.touchtype!=0XFF)LCD_ShowString(60,130,200,16,16,"Press KEY0 to Adjust");//电阻屏才显示
- delay_ms(1500);
- Load_Drow_Dialog();//清屏
- LCD_ShowNumber();
- // LCD_ShowString(25,175,25,25,24,"1");
- // LCD_ShowString(75,175,25,25,24,"2");
- // LCD_ShowString(125,175,25,25,24,"3");
- // LCD_ShowString(180,175,25,25,24,"A");
- // LCD_ShowString(25,210,25,25,24,"4");
- // LCD_ShowString(75,210,25,25,24,"5");
- // LCD_ShowString(125,210,25,25,24,"6");
- // LCD_ShowString(180,210,25,25,24,"B");
- // LCD_ShowString(25,245,25,25,24,"7");
- // LCD_ShowString(75,245,25,25,24,"8");
- // LCD_ShowString(125,245,25,25,24,"9");
- // LCD_ShowString(180,245,25,25,24,"C");
- // LCD_ShowString(25,280,25,25,24,"*");
- // LCD_ShowString(75,280,25,25,24,"0");
- // LCD_ShowString(125,280,25,25,24,"#");
- // LCD_ShowString(180,280,25,25,24,"D");
- // LCD_DrawLine(10,195+10,240-10,195+10);//00
- // LCD_DrawLine(10,230+10,240-10,230+10);
- // LCD_DrawLine(10,265+10,240-10,265+10);
- // LCD_DrawLine(10+55,160+10,10+55,320-10);
- // LCD_DrawLine(10+55,160+10,10+55,320-10);
- // LCD_DrawLine(10+110,160+10,10+110,320-10);
- // LCD_DrawLine(10+165,160+10,10+165,320-10);
- Draw_Check();
- Draw_Board();
- if(tp_dev.touchtype&0X80)ctp_test(); //电容屏测试
- else rtp_test(); //电阻屏测试
- }
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