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LED display

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This commit is contained in:
Patrick Haßel 2024-04-15 11:26:27 +02:00
parent dcbd0b6234
commit 9933a70ae3
2 changed files with 35 additions and 0 deletions
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1
platformio.ini
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@ -15,6 +15,7 @@ lib_deps = https://github.com/milesburton/Arduino-Temperature-Control-Library
bblanchon/ArduinoJson bblanchon/ArduinoJson
Wire Wire
https://github.com/phassel/ArduPID/ https://github.com/phassel/ArduPID/
https://github.com/wayoda/LedControl
[env:TEST32] [env:TEST32]
upload_port = 10.42.0.66 upload_port = 10.42.0.66

34
src/Fermenter.cpp
View File

@ -7,6 +7,7 @@
#include "config.h" #include "config.h"
#include "console.h" #include "console.h"
#include <Arduino.h> #include <Arduino.h>
#include "LedControl.h"
#define SENSOR_GPIO D4 #define SENSOR_GPIO D4
#define CONTROL_GPIO D2 #define CONTROL_GPIO D2
@ -25,6 +26,8 @@ DallasSensor sensor(dallas, 0x3D0417C1D740FF28, "temperatur.ist", 0.1, 5, 60 * 1
ArduPID pid; ArduPID pid;
LedControl lc = LedControl(13, 14, 15, 1);
double proportional = PID_DEFAULT_P; double proportional = PID_DEFAULT_P;
double integral = PID_DEFAULT_I; double integral = PID_DEFAULT_I;
@ -39,6 +42,10 @@ double temperatureCurrent = NAN;
double heaterPWM = 0; double heaterPWM = 0;
void writeDecimal(int *digit, double value);
void displayLoop();
void patrixSetup() { void patrixSetup() {
dallas.begin(); dallas.begin();
analogWriteResolution(CONTROL_PWM_BITS); analogWriteResolution(CONTROL_PWM_BITS);
@ -54,6 +61,8 @@ void patrixLoop() {
dallas.loop(); dallas.loop();
sensor.loop(); sensor.loop();
displayLoop();
temperatureCurrent = sensor.getLastValue(); temperatureCurrent = sensor.getLastValue();
if (!isnan(temperatureCurrent)) { if (!isnan(temperatureCurrent)) {
pid.compute(); pid.compute();
@ -89,6 +98,31 @@ void patrixLoop() {
} }
} }
void displayLoop() {
static unsigned long lastDisplayInit = 0;
if (lastDisplayInit == 0 || millis() - lastDisplayInit > 60 * 60 * 1000) {
lastDisplayInit = millis();
lc.shutdown(0, true);
lc.shutdown(0, false);
lc.setIntensity(0, 4);
lc.clearDisplay(0);
}
int digit = 0;
writeDecimal(&digit, temperatureCurrent);
digit++;
digit++;
writeDecimal(&digit, temperatureTarget);
}
void writeDecimal(int *digit, double value) {
const int integer = (int) value;
const int decimal = (int) ((value - integer) * 10) % 10;
lc.setDigit(0, (*digit)++, decimal, false);
lc.setDigit(0, (*digit)++, integer % 10, true);
lc.setDigit(0, (*digit)++, integer / 10 % 10, false);
}
bool setDouble(const char *name, double *destinationPtr, double min, double max) { bool setDouble(const char *name, double *destinationPtr, double min, double max) {
const char *valueStr = strtok(nullptr, ""); const char *valueStr = strtok(nullptr, "");
if (valueStr == nullptr) { if (valueStr == nullptr) {