Change library to use callback functions, add basic hardware

lib/obus_can.cpp

@@ -2,9 +2,12 @@
 
 #include "obus_can.h"
 
+// Chip select for the CAN module
+#define MCP_CS 8
+
 namespace obus_can {
 
-MCP2515 mcp2515(10);
+MCP2515 mcp2515(MCP_CS);
 bool is_init = false;
 
 

lib/obus_module.cpp

@@ -1,11 +1,23 @@
 #include "obus_can.h"
 #include "obus_module.h"
 
+#define RED_LED A4
+#define GREEN_LED A5
+
+#define MCP_INT 2
+
 namespace obus_module {
 
+
 struct obus_can::module this_module;
 uint8_t strike_count;
+bool running;
+bool error;
+uint32_t time_stop_strike_led;
 
+void interrupt_can_error() {
+	error = true;
+}
 
 void setup(uint8_t type, uint8_t id) {
 	this_module.type = type;
@@ -14,19 +26,44 @@ void setup(uint8_t type, uint8_t id) {
 	obus_can::init();
 
 	strike_count = 0;
+	running = false;
+	error = false;
+	pinMode(RED_LED, OUTPUT);
+	pinMode(GREEN_LED, OUTPUT);
+	digitalWrite(RED_LED, LOW);
+	digitalWrite(GREEN_LED, LOW);
 }
 
-void loop() {
+bool loop(obus_can::message* message) {
+	// Check if the message buffer overflowed
+	if (error) {
+		// Loop forever while blinking status led orange
+		bool blink = false;
+		while (true) {
+			digitalWrite(RED_LED, blink);
+			digitalWrite(GREEN_LED, blink);
+			blink = !blink;
+			delay(500);
+		}
+	}
+	if (time_stop_strike_led && time_stop_strike_led > millis()) {
+		digitalWrite(RED_LED, LOW);
+	}
+	// TODO receive CAN frame and call callback functions
 
 }
 
 void strike() {
 	strike_count++;
+	digitalWrite(RED_LED, HIGH);
+	time_stop_strike_led = millis() + 1000;
 	obus_can::send_m_strike(this_module, strike_count);
 }
 
 void solve() {
 	obus_can::send_m_solved(this_module);
+	digitalWrite(GREEN_LED, HIGH);
+	running = false;
 }
 
 }

lib/obus_module.h

@@ -4,11 +4,15 @@
 #include "Arduino.h"
 #include <obus_can.h>
 
+void callback_game_start();
+
+void callback_game_stop();
+
 namespace obus_module {
 
 void setup(uint8_t type, uint8_t id);
 
-void loop();
+bool loop(obus_can::message* message);
 
 void strike();
 

src/template_module/main.ino

@@ -4,7 +4,7 @@
 #include <obus_module.h>
 
 void setup() {
-	Serial.begin(9600);
+	Serial.begin(115200);
 
 	// Choose one
 	// Puzzle: a module that must be solved
@@ -13,7 +13,16 @@ void setup() {
 	// obusmodule_init(OBUS_TYPE_NEEDY, /* Retrieve ID from MOANA */);
 }
 
+obus_can::message message;
 
 void loop() {
-	obus_module::loop();
+	bool is_message_valid = obus_module::loop(&message);
+}
+
+void callback_game_start() {
+
+}
+
+void callback_game_stop() {
+
 }