From 3443edf23337fb5d9ce63075ead80c4779cf823a Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Sun, 27 Mar 2022 12:48:36 +0100
Subject: break code into logical components

---
 main.ino | 174 ++++++++++-----------------------------------------------------
 1 file changed, 28 insertions(+), 146 deletions(-)

(limited to 'main.ino')

diff --git a/main.ino b/main.ino
index ce9f981..8dcb387 100644
--- a/main.ino
+++ b/main.ino
@@ -1,164 +1,46 @@
 #include <Arduino.h>
-#include <SensirionI2CScd4x.h>
-#include <sps30.h>
 #include <Wire.h>
 
-#define LILYGO_T5_V213 // needed for the display libraries
-
-#include <boards.h>
-#include <GxEPD.h>
-#include <GxGDEH0213B73/GxGDEH0213B73.h>  // screen model, probably correct
-#include <Fonts/FreeMonoBold9pt7b.h>
-#include <GxIO/GxIO_SPI/GxIO_SPI.h>
-#include <GxIO/GxIO.h>
-
+#include "data.h"
 #include "battery.h"
+#include "display.h"
+#include "co2.h"
+#include "pm.h"
 
-GxIO_Class io(SPI, EPD_CS, EPD_DC, EPD_RSET);
-GxEPD_Class display(io, EPD_RSET, EPD_BUSY);
-SPIClass SDSPI(VSPI); // for sdcard
-
-SensirionI2CScd4x scd4x;
-
-Battery batt;
-
-uint16_t co2 = 0;
-float temperature = 0.0f;
-float humidity = 0.0f;
-struct sps30_measurement m;
-
-void showThings(bool all=false) {
-  display.fillScreen(GxEPD_WHITE);
-
-  display.setCursor(0,20);
-  display.print("Co2 ");
-  display.print(co2);
+Battery battery;
+PM pm;
+CO2 co2;
 
-  display.setCursor(100,20);
-  display.print("t");
-  display.print(temperature,1);
+SensorData data;
 
-  display.setCursor(150,20);
-  display.print(" h");
-  display.print(humidity,0);
-  display.print("%");
-
-  display.setCursor(0,45);
-  display.println("   PM");
-  display.print(" 1.0 "); display.println(m.mc_1p0,1);
-  display.print(" 2.5 "); display.println(m.mc_2p5,1);
-  display.print(" 4.0 "); display.println(m.mc_4p0,1);
-  display.print("10.0 "); display.println(m.mc_10p0,1);
-
-  display.setCursor(100,45);
-  display.print("Batt "); display.print(batt.voltage());
-
-  // "partial" update
-  display.updateWindow(0, 0, GxEPD_WIDTH, GxEPD_HEIGHT, false);
-}
+Display display;
 
 void setup() {
+  Serial.begin(115200);
+  while (!Serial) {
+    delay(100);
+  }
 
-    Serial.begin(115200);
-    while (!Serial) {
-        delay(100);
-    }
-
-    // the board's definition says SCL=23, but I have SCL=22
-    Wire.begin(21,22);
-
-    SPI.begin(EPD_SCLK, EPD_MISO, EPD_MOSI);
-
-    display.init();
-    display.setTextColor(GxEPD_BLACK);
-    display.setRotation(3);
-    display.setFont(&FreeMonoBold9pt7b);
+  // the board's definition says SCL=23, but I have SCL=22
+  Wire.begin(21,22);
 
-    showThings();
+  display.start();
+  display.show(&data);
 
-    uint16_t error;
-    char errorMessage[256];
+  battery.start();
+  co2.start();
+  pm.start();
+  Serial.println("Waiting for first measurement... (5 sec)");
 
-    scd4x.begin(Wire);
-
-    // stop potentially previously started measurement
-    error = scd4x.stopPeriodicMeasurement();
-    if (error) {
-        Serial.print("Error trying to execute stopPeriodicMeasurement(): ");
-        errorToString(error, errorMessage, 256);
-        Serial.println(errorMessage);
-    }
-
-    error = scd4x.setAutomaticSelfCalibration(1);
-    if (error) {
-        Serial.print("Error trying to execute setAutomaticSelfCalibration(): ");
-        errorToString(error, errorMessage, 256);
-        Serial.println(errorMessage);
-    }
-    
-    // Start Measurement
-    error = scd4x.startPeriodicMeasurement();
-    if (error) {
-        Serial.print("Error trying to execute startPeriodicMeasurement(): ");
-        errorToString(error, errorMessage, 256);
-        Serial.println(errorMessage);
-    }
-
-    // this will try to re-init Wire, emit a warning, and carry on
-    sensirion_i2c_init();
-
-    while (sps30_probe() != 0) {
-      Serial.print("SPS sensor probing failed\n");
-      delay(500);
-    }
-
-    int16_t ret;
-    uint8_t auto_clean_days = 4;
-    uint32_t auto_clean;
-
-    ret = sps30_set_fan_auto_cleaning_interval_days(auto_clean_days);
-    if (ret) {
-      Serial.print("error setting the auto-clean interval: ");
-      Serial.println(ret);
-    }
-
-    ret = sps30_start_measurement();
-    if (ret < 0) {
-      Serial.print("error starting measurement\n");
-    }
-
-    Serial.println("Waiting for first measurement... (5 sec)");
+  delay(5000);
 }
 
 void loop() {
-    uint16_t error;
-    char errorMessage[256];
-
-    delay(5000);
-
-    error = scd4x.readMeasurement(co2, temperature, humidity);
-
-    char serial[SPS30_MAX_SERIAL_LEN];
-    uint16_t data_ready;
-    int16_t ret;
-
-    do {
-      ret = sps30_read_data_ready(&data_ready);
-      if (ret < 0) {
-        Serial.print("error reading data-ready flag: ");
-        Serial.println(ret);
-      } else if (!data_ready)
-        Serial.print("data not ready, no new measurement available\n");
-      else
-        break;
-      delay(100); /* retry in 100ms */
-    } while (1);
-
-    ret = sps30_read_measurement(&m);
-
-    if (error || ret <0 || co2 ==0) {
-      return;
-    }
+  if (battery.dataReady()) battery.read(&data);
+  if (pm.dataReady()) pm.read(&data);
+  if (co2.dataReady()) co2.read(&data);
 
-    showThings();
+  display.show(&data);
+  
+  delay(5000);
 }
-- 
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