79 lines
1.7 KiB
Arduino
79 lines
1.7 KiB
Arduino
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#include "HX711.h"
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#include "CalibConsts.hpp"
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HX711 c0, c1;
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// adjust pins if needed.
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#define c0Data 2
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#define c0Clock 3
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#define c1Data 4
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#define c1Clock 5
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#define DIR0 7
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#define PWM0 6
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#define DIR1 8
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#define PWM1 9
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void setup()
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{
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pinMode(DIR0, OUTPUT);
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pinMode(PWM0, OUTPUT);
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pinMode(DIR1, OUTPUT);
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pinMode(PWM1, OUTPUT);
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Serial.begin(115200);
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Serial.println();
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Serial.println(__FILE__);
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Serial.print("HX711_LIB_VERSION: ");
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Serial.println(HX711_LIB_VERSION);
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Serial.println();
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c0.begin(c0Data, c0Clock);
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c0.set_offset(OFFSET0);
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c0.set_scale(SCALE0);
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c1.begin(c1Data, c1Clock);
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c1.set_offset(OFFSET1);
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c1.set_scale(SCALE1);
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}
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void loop() {
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while (Serial.available()) Serial.read();
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Serial.println("Enter any key to begin reading");
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while (!Serial.available());
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Serial.println("Reading Load Cells (Mean over 10 Readings)");
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float c0Avgs[11] = {0};
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float c1Avgs[11] = {0};
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uint8_t ind = 0;
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for (int16_t i = -250; i < 255; i+=50) {
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Serial.print("Running PWM: ");
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Serial.println(i);
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digitalWrite(DIR0, i >= 0);
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digitalWrite(DIR1, i >= 0);
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analogWrite(PWM0, abs(i));
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analogWrite(PWM1, abs(i));
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delay(200);
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for (uint8_t j = 0; j < 10; j++) c0Avgs[ind] += c0.get_units();
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c0Avgs[ind] /= 10;
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for (uint8_t j = 0; j < 10; j++) c1Avgs[ind] += c1.get_units();
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c1Avgs[ind] /= 10;
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ind++;
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}
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digitalWrite(DIR0, 0);
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digitalWrite(DIR1, 0);
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digitalWrite(PWM0, 0);
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digitalWrite(PWM1, 0);
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Serial.println("Average Values:");
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for (uint8_t i = 0; i < 11; i++) {
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Serial.print("PWM ");
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Serial.print((int) -250+i*50);
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Serial.print(" - Cell 0: ");
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Serial.print(c0Avgs[i]);
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Serial.print("g, Cell 1: ");
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Serial.print(c1Avgs[i]);
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Serial.println("g");
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}
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}
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