Initial commit

.vscode/arduino.json

@@ -0,0 +1,5 @@
+{
+    "sketch": "FallingTarget.ino",
+    "board": "arduino:avr:leonardo",
+    "port": "/dev/ttyACM0"
+}

.vscode/c_cpp_properties.json

@@ -0,0 +1,20 @@
+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "/home/troels/Arduino/libraries/TM1637-1.2.0",
+                "/opt/arduino-1.8.9/tools/**",
+                "/opt/arduino-1.8.9/hardware/arduino/avr/**"
+            ],
+            "forcedInclude": [
+                "/opt/arduino-1.8.9/hardware/arduino/avr/cores/arduino/Arduino.h"
+            ],
+            "intelliSenseMode": "gcc-x64",
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c11",
+            "cppStandard": "c++17"
+        }
+    ],
+    "version": 4
+}

FallingTarget.ino

@@ -0,0 +1,93 @@
+#include <TM1637Display.h>
+
+int button[] = {4, 5};
+// int button[] = {5 ,6, 7, 8};
+
+int buttonSize = sizeof(button) / sizeof(int);
+
+unsigned long startTime;
+unsigned long stopTime;
+unsigned long currentTime;
+
+#define CLK 2
+#define DIO 3
+
+void displayTime(long time, TM1637Display display, bool show100 = false, bool alwaysColon = false)
+{
+  uint8_t digit1 = time / 100000 ? display.encodeDigit((time / 100000) % 10) : 0x0;
+  uint8_t digit2 = time / 10000 ? display.encodeDigit((time / 10000) % 10) : 0x0;
+  uint8_t digit3 = time / 1000 ? display.encodeDigit((time / 1000) % 10) : 0x0;
+  uint8_t digit4 = time / 100 ? display.encodeDigit(time / 100 % 10) : 0x0;
+
+  if (time < 9999)
+  {
+    digit1 = time / 1000 ? display.encodeDigit((time / 1000) % 10) : digit1;
+    if ((time / 100))
+    {
+      digit2 = display.encodeDigit((time / 100) % 10);
+      // Colon every half because it looks better.
+      digit2 = (((time / 10) % 10) >= 5 || alwaysColon) ? 0x80 | digit2 : digit2;
+    }
+
+    digit3 = display.encodeDigit((time / 10) % 10);
+    digit4 = show100 ? display.encodeDigit(time % 10) : 0x0;
+  }
+  // We won't show number of more than 9999 seconds.
+  if (time > 999999)
+  {
+    digit1 = digit2 = digit3 = digit4 = 0b01000000;
+  }
+
+  int8_t data[] = {digit1, digit2, digit3, digit4};
+  display.setSegments(data);
+}
+
+TM1637Display display(CLK, DIO);
+
+void setup()
+{
+  Serial.begin(9600);
+  startTime = millis();
+  display.setBrightness(3);
+
+  // Set the trigger pins.
+  for (int i = 0; i < buttonSize; i++)
+  {
+    pinMode(button[i], INPUT_PULLUP);
+  }
+}
+
+int programmerPin = 8;
+int programmerPinPresses = 0;
+
+void loop()
+{
+  currentTime = millis();
+  int pressed = 0;
+  for (int i = 0; i < buttonSize; i++)
+  {
+    pressed += digitalRead(button[i]) == LOW;
+  }
+  if (!stopTime && pressed == buttonSize)
+  {
+    stopTime = millis();
+  }
+  if (stopTime)
+  {
+    displayTime((stopTime - startTime) / 10, display, true, true);
+  }
+  else if (startTime)
+  {
+    displayTime((millis() - startTime) / 10, display);
+  }
+  if (!startTime && pressed > 0)
+  {
+    startTime = millis();
+  }
+  // Reset the number when all buttons are released.
+  if (pressed == 0)
+  {
+    startTime = stopTime = NULL;
+    displayTime(0, display);
+  }
+}