Merge pull request #60 from nicholaswilde/conditional-display

Conditional display
nicholaswilde · Apr 5, 2022 · cc4ec93 · cc4ec93
2 parents fbcef26 + 8e3a209
commit cc4ec93
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/config.h b/config.h
@@ -14,6 +14,7 @@
 #define VOLTAGE_MIN 3000        // min voltage of lipo battery (V)
 #define EXP_A 0.00348           // y = B * exp(A*x)
 #define EXP_B 0.000000686       // y = B * exp(A*x)
+#define DISPLAY_THRESHOLD 65    // threshold current for the display to turn on (mA)
 
 // Pins
 #define BUTTON_A 15

diff --git a/solar-battery-charger.ino b/solar-battery-charger.ino
@@ -70,13 +70,14 @@ void loop() {
 
   int current = ina260.readCurrent();
 
-  print("Mode: ");
-
   // Determine the mode by sign of current
   if (current<0){
+    if (abs(current)<DISPLAY_THRESHOLD) display.oled_command(SH110X_DISPLAYOFF);
+    print("Mode: ");
     println("recharge");
     doDischarge = false;
   } else {
+    print("Mode: ");
     println("discharge");
     doDischarge = true;
   }