簡易示波器電壓頻率測量 STM32單片機程序

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ID:1089328 發(fā)表于 2023-7-23 11:59 | 只看該作者 |只看大圖回帖獎勵

|倒序瀏覽 |閱讀模式

基于zet6

單片機源程序如下:

#include "led.h"
#include "delay.h"
#include "key.h"
#include "sys.h"
#include "lcd.h"
#include "usart.h"
#include "adc.h"
#include "string.h"
#include "IC.h"
#include "PWM.h"
/************************************************
庫函數(shù)版本
************************************************/
void show_xy_line(void);
int q,x,y,y_t,x_t;
float value[1024];
int VOLTAGE;
int vol;
char show_v[50];
int y=140;
int main(void)
{
delay_init(); //初始化
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//設置中斷優(yōu)先級分組為組2：2位搶占優(yōu)先級，2位響應優(yōu)先級
uart_init(115200); //串口初始化為115200
LED_Init();
LCD_Init();
Adc_Init();
IC_Init() ;
PWM_Init();
PWM_SetPrescaler(72 -1); //Freq = 72M / (PSC + 1) / 100
PWM_SetCompare1(50); //Duty = CCR / 100
POINT_COLOR=0xFFFF;
LCD_DrawLine(5, 260, 240,260);
LCD_DrawLine(5, 0, 5,260);//x,y軸兩直線
LCD_DrawLine(5, 0, 0,5);
LCD_DrawLine(5, 0, 10,5);//y軸箭頭
LCD_DrawLine(240, 260, 235,255);
LCD_DrawLine(240, 260, 235,265);//x軸箭頭
while(1)
{
//數(shù)據(jù)采集
for(q=0;q<240;q++)
{
value[q]=Get_Adc(ADC_Channel_1);
delay_us(10);
}
//畫圖
LCD_Clear(BLACK);
show_xy_line();
LCD_ShowString(5, 261, 60, 16, 16,"VOLTAGE:");
LCD_ShowString(135, 261, 30, 16, 16,"FRE:");
// sprintf(show_v,"ADC1_VAL=%f ,ADC1_VOL=%d ",0.005,1);
// LCD_ShowString(30, 30, 240, 16, 16,show_v);
x_t=5;
y_t=y;
for(q=0;q<240;q++)
{
value[q]=Get_Adc(ADC_Channel_1);
x=q+5;
y=260-value[q]/20;
LCD_DrawLine(x_t,y_t, x,y);
x_t=x;
y_t=y;
VOLTAGE=100*3.3*value[q]/4095;
vol = (VOLTAGE%100);
LCD_ShowNum(67, 261,VOLTAGE/100, 1, 16);
LCD_ShowString(75, 261, 1, 1, 16,".");
LCD_ShowxNum(78, 261, vol, 2, 16,0);
LCD_ShowxNum(178, 261, (IC_GetFreq()+0), 6, 16,0);
delay_ms(20);
}
// printf("%f\r\n",value[q]);
//串口發(fā)送
// for(q=0;q<240;q++)
// {
// printf("(%d,%d)->(%d,%d) %d.%f ->%d.%f\r\n",x,y1,x+1,y2,adcx);
// printf("%f\r\n",value[q]*3.3/4096);
// }
LED0=!LED0;
delay_ms(50);
}
}
void show_xy_line(void)
{
POINT_COLOR=0xFFFF;
BACK_COLOR=0x0000;
LCD_DrawLine(5, 260, 240,260);
LCD_DrawLine(5, 0, 5,260);//x,y軸兩直線
LCD_DrawLine(5, 0, 0,5);
LCD_DrawLine(5, 0, 10,5);//y軸箭頭
LCD_DrawLine(240, 260, 235,255);
LCD_DrawLine(240, 260, 235,265);//x軸箭頭
//LCD_ShowString(8, 510, 200, 16, 16,"0");
LCD_ShowString(10, 5, 20, 15, 16,"U/V");
// LCD_ShowString(440, 510, 200, 16, 16,"t/s");
LCD_DrawLine(5, 73, 8,73);
LCD_DrawLine(5, 135, 8,135);
LCD_DrawLine(5,198, 8,198);
//LCD_ShowString(20, 290, 200, 16, 16,"1");//y軸坐標3V處
// LCD_DrawLine(76, 320, 76,495);
// LCD_ShowString(74, 510, 200, 16, 16,"2");//x軸坐標2s處
//LCD_DrawLine(142, 320, 142,495);
//LCD_ShowString(140, 510, 200, 16, 16,"4");//x軸坐標4s處
// LCD_DrawLine(208, 320, 208,495);
//LCD_ShowString(206, 510, 200, 16, 16,"6");//x軸坐標6s處
// LCD_DrawLine(274, 320, 274,495);
// LCD_ShowString(272, 510, 200, 16, 16,"8");//x軸坐標8s處
// LCD_DrawLine(340, 320, 340,495);
// LCD_ShowString(338, 510, 200, 16, 16,"10");//x軸坐標10s處
}