OOps

src/modules/testmodule_date/doc/index.md

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+## Testmodule buttons
+
+Don't press the red button. Press the green button to solve the module.
+
+### Credits
+Module developed by redfast00.

src/modules/testmodule_date/testmodule_date.ino

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+// (c) 2020, timpy
+// See the LICENSE file for conditions for copying
+
+#include <obus_module.h>
+#include <ezButton.h>
+
+
+// yellow
+#define DATE_CLOCK_PIN  6
+// orange
+#define DATE_DATA_PIN 7
+// green
+#define DATE_READ_PIN 5
+
+// Solve button
+#define DATE_SOLVE_BTN 3
+
+#define DATE_MODE_STOP 1
+#define DATE_MODE_1S 2
+#define DATE_MODE_10S 4
+#define DATE_MODE_1M 8
+#define DATE_MODE_10M 16
+#define DATE_MODE_TIME_IN 32
+#define DATE_MODE_DATE_IN 64
+#define DATE_MODE_REAL_OUT 128
+#define DATE_MODE_NORM_OUT 0
+
+
+uint8_t correct_code[4] = {
+  DATE_MODE_STOP,
+  12,
+  34,
+  56  
+};
+
+ezButton solve_button(DATE_SOLVE_BTN);
+
+
+void setup() {
+  Serial.begin(115200);
+  obus_module::setup(OBUS_TYPE_PUZZLE, 123);
+  solve_button.setDebounceTime(10);
+  solve_button.setCountMode(COUNT_RISING);
+  setup_date_module();
+}
+
+obus_can::message message;
+
+void loop() {
+  bool received = obus_module::loopPuzzle(&message);
+  // TODO handle update frames (not needed for this module, but could be useful as example code)
+  solve_button.loop();
+  if (solve_button.getCount() > 0) {
+    uint8_t data[4];
+    read_from_date_module(data);
+
+    if (check_date_code(data)) {
+      Serial.println("SOLVED!");
+      obus_module::solve();
+    } else {
+      Serial.println("STRIKE!");
+      obus_module::strike();
+    }
+    solve_button.resetCount();
+  }
+}
+
+void setup_date_module() {
+  pinMode(DATE_CLOCK_PIN, OUTPUT);
+  pinMode(DATE_DATA_PIN, INPUT);
+  pinMode(DATE_READ_PIN, OUTPUT);
+}
+
+uint8_t read_value_from_date_module(uint8_t bit_order) {
+
+  digitalWrite(DATE_CLOCK_PIN, LOW);
+  uint8_t value = 0;
+  for (int i = 0; i < 8; i++) {
+    uint8_t read_bit = digitalRead(DATE_DATA_PIN);
+    if (bit_order == LSBFIRST)
+      value |= read_bit << i;
+    else
+      value |= read_bit << (7 - i);
+    digitalWrite(DATE_CLOCK_PIN, HIGH);
+    delay(1);
+    digitalWrite(DATE_CLOCK_PIN, LOW);
+  }
+  return value;
+}
+
+void read_from_date_module(uint8_t* data_out) {
+  digitalWrite(DATE_READ_PIN, HIGH);
+  delay(200);
+  digitalWrite(DATE_READ_PIN, LOW);
+
+  for (int i = 0; i < 4; i++) {
+    data_out[i] = read_value_from_date_module(LSBFIRST);
+  }
+
+  for (int i = 1; i < 4; i++) {
+    // Convert raw data to human interpretable number
+    data_out[i] = 10*(data_out[i] & 0x0F) + ((data_out[i] & 0xF0) >> 4);
+  }
+
+  
+  //for (int i = 0; i < 4; i++) {
+  //  Serial.print(data_out[i]);
+  //  Serial.print(" ");
+  //}
+  
+  //Serial.println();
+  digitalWrite(DATE_CLOCK_PIN, LOW);
+}
+
+bool check_date_code(uint8_t* code) {
+    for (int i = 0; i < 4; i++) {
+      if (code[i] != correct_code[i]) {
+        return false;
+      }
+    }
+    return true;
+}
+
+void callback_game_start() {
+  // Intentionally emtpy
+}
+
+void callback_game_stop() {
+  // Intentionally empty
+}