test ADC

firmware/test1/heizung-test1/src/main.cpp

@@ -246,13 +246,15 @@ void loop() {
   int displayModePrev = displayMode;
   static bool prevButton4 = 0;
   if (!prevButton4 && buttons[3]) {
-    displayMode = (displayMode + 1) % 5;
+    displayMode = (displayMode + 1) % 6;
   }
   prevButton4 = buttons[3];
 
   if (rp2040.getCycleCount64() > 2 * 133*1000*1000 && displayMode == 0) {
-    if (displayModePrev != 0)
+    if (displayModePrev != 0) {
+      display.fillRect(67, 0, 128-67, 64, SSD1306_BLACK);
       display.drawBitmap(0, 0, logo_data, logo_width, logo_height, SSD1306_WHITE);
+    }
     display.fillRect(0, 0, 67, 64, SSD1306_BLACK);
 
     display.setTextSize(1);
@@ -356,6 +358,71 @@ void loop() {
       display.drawFastHLine(0, y++, b/16, SSD1306_WHITE);
       display.drawFastHLine(0, y++, v/16, SSD1306_WHITE);
     }
+    display.display();
+  } else if (displayMode == 5) {
+    display.fillRect(0, 0, 128, 64, SSD1306_BLACK);
+    display.setTextSize(1);
+    display.setTextColor(SSD1306_WHITE);
+    display.setCursor(0, 1);
+    display.println(F("ADC:"));
+
+    analogReadResolution(12);
+
+    auto v1 = analogRead(ANALOG_IN1);
+    display.print(F("AIN1: "));
+    display.print(v1);
+    auto ain1 = 3.05*v1/4096 * (10+2*5.1)/5.1;
+    display.print(F(" -> "));
+    display.println(ain1, 2);
+
+    auto v2 = analogRead(CURRENT2);
+    display.print(F("CUR2: "));
+    display.print(v2);
+    static int32_t avgCurrent2 = 0;
+    if (!buttons[1] && !buttons[2]) {
+      //avgCurrent2 = (avgCurrent2*31 + v2)/32;
+      avgCurrent2 = avgCurrent2*31/32 + v2;
+      display.print(", ");
+      display.println(avgCurrent2/32);
+    } else {
+      display.print(F(" -> "));
+      float current2 = max(0, v2-avgCurrent2/32)*3.05/4096 / 0.1 * 1/56.0;
+      display.println(current2, 3);
+
+      Serial.print(F("Current2: "));
+      Serial.print(v2);
+      Serial.print(" - ");
+      Serial.print(avgCurrent2);
+      Serial.print("/32 -> ");
+      Serial.println(current2, 5);
+    }
+
+    auto v3 = analogRead(CURRENT1);
+    display.print(F("CUR1: "));
+    display.print(v3);
+    static int32_t avgCurrent1 = 0;
+    if (!buttons[0] && !buttons[2]) {
+      //avgCurrent1 = (avgCurrent1*31 + v3)/32;
+      avgCurrent1 = avgCurrent1*31/32 + v3;
+      display.print(", ");
+      display.println(avgCurrent1/32);
+    } else {
+      display.print(F(" -> "));
+      float current1 = max(0, v3-avgCurrent1/32)*3.05/4096 / 0.1 * 1/56.0;
+      display.println(current1, 3);
+    }
+
+    auto v4 = analogRead(MEASURE_VCC);
+    display.print(F("VCC:  "));
+    display.print(v4);
+    auto vcc = 3.05*v4/4096 * (100+10)/10;
+    display.print(F(" -> "));
+    display.println(vcc, 2);
+
+    auto v5 = analogReadTemp(3.0);
+    display.print(F("TEMP: "));
+    display.println(v5);
+
     display.display();
   }