Cristian Castro / Mbed 2 deprecated 08-Nucleo446_V2HX711

Lectura de una celda de Carga HX711.

Dependencies:   mbed

main.cpp@0:5d67331a6e7e, 2017-05-05 (annotated)

Committer:
franni
Date:
Fri May 05 20:16:31 2017 +0000
Revision:
0:5d67331a6e7e
Child:
1:392a3fb6d177
Celda de Carga HX711

Who changed what in which revision?

UserRevisionLine numberNew contents of line
franni 0:5d67331a6e7e 1 #include "mbed.h"
franni 0:5d67331a6e7e 2 #include "HX711.h"
franni 0:5d67331a6e7e 3 #include "TextLCD.h"
franni 0:5d67331a6e7e 4
franni 0:5d67331a6e7e 5 DigitalOut led(LED_BLUE);
franni 0:5d67331a6e7e 6 HX711 scale(PTC9, PTC8);
franni 0:5d67331a6e7e 7
franni 0:5d67331a6e7e 8 Serial rs232(USBTX, USBRX); // USB Serial Terminal
franni 0:5d67331a6e7e 9 TextLCD lcd(PTE20,PTE21,PTE22,PTE23,PTE29,PTE30, TextLCD::LCD16x2); // Rs, E, d4, d5, d6, d7
franni 0:5d67331a6e7e 10
franni 0:5d67331a6e7e 11 float calibration_factor = 1000; //Ajustar este valor para calibrar el peso exacto
franni 0:5d67331a6e7e 12 int averageSamples = 100;
franni 0:5d67331a6e7e 13
franni 0:5d67331a6e7e 14 int main(void)
franni 0:5d67331a6e7e 15 {
franni 0:5d67331a6e7e 16
franni 0:5d67331a6e7e 17 scale.setScale(0);
franni 0:5d67331a6e7e 18 scale.tare(); //Reset the scale to 0
franni 0:5d67331a6e7e 19
franni 0:5d67331a6e7e 20 long zero_factor = scale.averageValue(averageSamples); // Saca promedio de varias lecturas para estabilizar la medida
franni 0:5d67331a6e7e 21
franni 0:5d67331a6e7e 22 while (true) {
franni 0:5d67331a6e7e 23 scale.setScale(calibration_factor);
franni 0:5d67331a6e7e 24 float weight = scale.getGram();
franni 0:5d67331a6e7e 25 rs232.printf("Peso: %.2f\n", weight);
franni 0:5d67331a6e7e 26 lcd.locate(0,0);
franni 0:5d67331a6e7e 27 lcd.printf("Peso: %.2f Grms", weight);
franni 0:5d67331a6e7e 28 led = !led; // toggle led
franni 0:5d67331a6e7e 29 wait(0.2f);
franni 0:5d67331a6e7e 30 }
franni 0:5d67331a6e7e 31 }