sync: initial commit

ldr.ino

@@ -0,0 +1,59 @@
+#include <Arduino.h>
+#include "segman.hh"
+#include "ParallelTask.hh"
+
+void setup() {
+    Serial.begin(9600);
+
+    pinMode(LED_BUILTIN, OUTPUT);
+
+    pinMode(PIN_D1, OUTPUT);
+    pinMode(PIN_D2, OUTPUT);
+    pinMode(PIN_D3, OUTPUT);
+    pinMode(PIN_D4, OUTPUT);
+
+    pinMode(PIN_SA, OUTPUT);
+    pinMode(PIN_SB, OUTPUT);
+    pinMode(PIN_SC, OUTPUT);
+    pinMode(PIN_SD, OUTPUT);
+    pinMode(PIN_SE, OUTPUT);
+    pinMode(PIN_SF, OUTPUT);
+    pinMode(PIN_SG, OUTPUT);
+
+    digitalWrite(PIN_D1, HIGH);
+    digitalWrite(PIN_D2, HIGH);
+    digitalWrite(PIN_D3, HIGH);
+    digitalWrite(PIN_D4, HIGH);
+
+    // digitalWrite(PIN_SA, HIGH);
+}
+
+int displayedValue = 0;
+void displayValue() {
+    int temp = displayedValue;
+
+    for (int i = 0; i < 3; ++i) {
+        int digit = temp % 10;
+
+        writeDigit(3 - i, digit);
+
+        temp /= 10;
+    }
+}
+
+void measureLight() {
+    int value = analogRead(PIN_LDR);asdfasdf
+    displayedValue = 100 - (int)(value / 10);
+}
+
+unsigned long lastMillis = 0;
+const int minDelta = 10;
+
+void loop() {
+    if (millis() - lastMillis >= minDelta) {
+        measureLight();
+        lastMillis = millis();
+    }
+
+    displayValue();
+}