DISCO-F746NG_LCD_demo
Dependencies: mbed LCD_DISCO_F746NG BSP_DISCO_F746NG
main.cpp
- Committer:
- alixhavr10
- Date:
- 2021-12-07
- Revision:
- 1:d74724e5bd9c
- Parent:
- 0:f5f54c7509b4
File content as of revision 1:d74724e5bd9c:
#include "mbed.h" #include "LCD_DISCO_F746NG.h" #include <stdio.h> LCD_DISCO_F746NG lcd; DigitalOut led1(LED1); AnalogIn mesure_analogique(PA_0); PwmOut Buzzer(PA_8); DigitalIn mon_bouton(PI_11); int main() { float val,time; int X, Y,X_max,Y_max,Range; int a = mon_bouton.read(); char chaine[50]; // initialisations val=0; led1 = 1; time=0.2f; lcd.Clear(LCD_COLOR_BLACK); lcd.SetBackColor(LCD_COLOR_BLACK); lcd.SetTextColor(LCD_COLOR_WHITE); X_max=lcd.GetXSize(); Y_max=lcd.GetYSize(); X=0; Range=200; Y=Y_max-10; if(a == 0){ //bouton poussoir non enfoncé while(1) { val=mesure_analogique.read(); val=val*3.3; sprintf((char*)chaine,"tension (en V) = %3.3f",val); lcd.DisplayStringAt(0, LINE(1), (uint8_t *)&chaine, CENTER_MODE); Y=Y_max-Range*val/3.3; lcd.DrawPixel(X,Y,LCD_COLOR_WHITE); wait_ms(3);//3 ms est la meilleure des valeurs X=X+1; if(X > X_max) { X = 0; lcd.Clear(LCD_COLOR_BLACK); sprintf((char*)chaine,"tension (en V) = %3.3f",val); } if(val<=1.9){ Buzzer.write(0); } if(val>=3){ Buzzer.write(0); } if(val<=0.1){ Buzzer.pulsewidth(160.0f); } else{ Buzzer.period_ms(10.0f); //pour le son //Buzzer.write(0.1f); Buzzer.pulsewidth_ms(5.0f); } } } else{//bouton poussoir enfoncé obj :figer l'écran }