Change module loop api, add info module

lib/obus_can.cpp

@@ -32,8 +32,8 @@ void _decode_can_id(uint16_t can_id, struct module *mod, bool *priority) {
 	assert(mod->type <= 0b11);
 }
 
-uint8_t payload_type(uint8_t module_type, uint8_t msg_type) {
+uint8_t payload_type(uint8_t module_type, uint8_t module_id, uint8_t msg_type) {
-	if (module_type == OBUS_TYPE_CONTROLLER) {
+	if (module_type == OBUS_TYPE_CONTROLLER && module_type == 0) {
 		switch (msg_type) {
 			case OBUS_MSGTYPE_C_ACK:
 			case OBUS_MSGTYPE_C_HELLO:
@@ -50,7 +50,10 @@ uint8_t payload_type(uint8_t module_type, uint8_t msg_type) {
 				return false;
 				break;
 		}
-
+	}
+	else if (module_type == OBUS_TYPE_INFO) {
+		// Info modules can only send 7 bytes of data
+		return OBUS_PAYLDTYPE_INFO;
 	// Module messages
 	} else {
 		switch (msg_type) {
@@ -105,7 +108,7 @@ bool receive(struct message *msg) {
 	_decode_can_id(receive_frame.can_id, &from, &priority);
 
 	// Controller messages
-	switch (payload_type(from.type, msg_type)) {
+	switch (payload_type(from.type, from.id, msg_type)) {
 		case OBUS_PAYLDTYPE_EMPTY:
 			break;
 
@@ -131,6 +134,13 @@ bool receive(struct message *msg) {
 			msg->count = receive_frame.data[1];
 			break;
 
+		case OBUS_PAYLDTYPE_INFO:
+			if (receive_frame.can_dlc < 8) {
+				Serial.println(F("W Received illegal count msg: payload <8"));
+				return false;
+			}
+			memcpy(msg->infomessage, &receive_frame.data[1], OBUS_MSG_LENGTH - 1);
+			break;
 		default:
 			Serial.println(F("W Couldn't determine payload type"));
 			return false;
@@ -160,7 +170,7 @@ void send(struct message *msg) {
 	uint8_t length = 1;
 	send_frame.data[0] = msg->msg_type;
 
-	uint8_t pyld_type = payload_type(msg->from.type, msg->msg_type);
+	uint8_t pyld_type = payload_type(msg->from.type, msg->from.id, msg->msg_type);
 	switch (pyld_type) {
 		case OBUS_PAYLDTYPE_EMPTY:
 			break;
@@ -180,6 +190,10 @@ void send(struct message *msg) {
 			length = 2;
 			break;
 
+		case OBUS_PAYLDTYPE_INFO:
+			memcpy(&send_frame.data[1], msg->infomessage,  OBUS_MSG_LENGTH - 1);
+			length = 8;
+			break;
 		default:
 			Serial.print(F("E Unknown payload type "));
 			Serial.println(pyld_type);

lib/obus_can.h

@@ -23,14 +23,18 @@
 #define OBUS_MSGTYPE_C_SOLVED    4
 #define OBUS_MSGTYPE_C_TIMEOUT   5
 #define OBUS_MSGTYPE_C_STRIKEOUT 6
+#define OBUS_MSGTYPE_C_INFOSTART 7
 
 #define OBUS_MSGTYPE_M_HELLO  0
 #define OBUS_MSGTYPE_M_STRIKE 1
 #define OBUS_MSGTYPE_M_SOLVED 2
 
+#define OBUS_MSGTYPE_I_INFOMESSAGE 0
+
 #define OBUS_PAYLDTYPE_EMPTY      0
 #define OBUS_PAYLDTYPE_GAMESTATUS 1
 #define OBUS_PAYLDTYPE_COUNT      2
+#define OBUS_PAYLDTYPE_INFO       3
 
 namespace obus_can {
 
@@ -55,6 +59,7 @@ struct message {
 		struct payld_empty empty;
 		struct payld_gamestatus gamestatus;
 		uint8_t count;
+		uint8_t infomessage;
 	};
 };
 
@@ -229,6 +234,13 @@ inline void send_m_solved(struct module from) {
 	send(&msg);
 }
 
+inline void send_i_infomessage(struct module from, uint8_t infomessage[7]) {
+	assert(from.type == OBUS_TYPE_INFO && from.id != 0);
+	struct message msg = _msg(from, false, OBUS_MSGTYPE_I_INFOMESSAGE);
+	memcpy(infomessage, msg.infomessage, 7);
+	send(&msg);
+}
+
 }
 
 #endif /* end of include guard: OBUS_CAN_H */

lib/obus_module.cpp

@@ -73,13 +73,15 @@ void setup(uint8_t type, uint8_t id) {
 	strike_count = 0;
 	active = true;
 
+	if (type == OBUS_TYPE_PUZZLE || type == OBUS_TYPE_NEEDY) {
 		pinMode(RED_LED, OUTPUT);
 		pinMode(GREEN_LED, OUTPUT);
 
 		_setLedBlink(COLOR_GREEN, BLINK_DELAY_SLOW);
 	}
+}
 
-bool loopPuzzle(obus_can::message* message) {
+bool loopPuzzle(obus_can::message* message, void (*callback_game_start)(), void (*callback_game_stop)()) {
 	// Check if we need to turn the red "strike" LED back off after
 	//  turning it on because of a strike
 	if (time_stop_strike_led && millis() > time_stop_strike_led) {
@@ -102,6 +104,7 @@ bool loopPuzzle(obus_can::message* message) {
 
 	bool interesting_message = false;
 	if (obus_can::receive(message)) {
+		if (message->from.type == OBUS_TYPE_CONTROLLER && message->from.id == 0) {
 			switch (message->msg_type) {
 				case OBUS_MSGTYPE_C_GAMESTART:
 					active = true;
@@ -126,15 +129,37 @@ bool loopPuzzle(obus_can::message* message) {
 					break;
 			}
 		}
+	}
 
 	_updateLed();
 
 	return interesting_message;
 }
 
-bool loopNeedy(obus_can::message* message) {
+bool loopNeedy(obus_can::message* message, void (*callback_game_start)(), void (*callback_game_stop)()) {
 	// For now this is the same function
-	return loopPuzzle(message);
+	return loopPuzzle(message, callback_game_start, callback_game_stop);
+}
+
+bool loopInfo(obus_can::message* message, int (*info_generator)(char*)) {
+	bool interesting_message = false;
+	if (obus_can::receive(message)) {
+		if (message->from.type == OBUS_TYPE_CONTROLLER && message->from.id == 0) {
+			switch (message->msg_type) {
+				case OBUS_MSGTYPE_C_INFOSTART:
+					char info_message[8];
+					int len = info_generator(info_message);
+					obus_can::send_i_infomessage(this_module, info_message);
+					break;
+				case OBUS_MSGTYPE_C_STATE:
+					interesting_message = true;
+					break;
+				default:
+					break;
+			}
+		}
+	}
+	return interesting_message;
 }
 
 void strike() {

lib/obus_module.h

@@ -8,17 +8,15 @@
 #define OBUS_NEEDY_ID_DEVELOPMENT  255
 #define OBUS_INFO_ID_DEVELOPMENT   255
 
-void callback_game_start();
-
-void callback_game_stop();
-
 namespace obus_module {
 
 void setup(uint8_t type, uint8_t id);
 
-bool loopPuzzle(obus_can::message* message);
+bool loopPuzzle(obus_can::message* message, void (*callback_game_start)(), void (*callback_game_stop)());
 
-bool loopNeedy(obus_can::message* message);
+bool loopNeedy(obus_can::message* message, void (*callback_game_start)(), void (*callback_game_stop)());
+
+bool loopInfo(obus_can::message* message, int (*info_generator)(char*));
 
 void strike();
 

src/modules/testmodule_buttons/testmodule_buttons.ino

@@ -17,7 +17,7 @@ void setup() {
 obus_can::message message;
 
 void loop() {
-	bool received = obus_module::loopPuzzle(&message);
+	bool received = obus_module::loopPuzzle(&message, callback_game_start, callback_game_stop);
 	// TODO handle update frames (not needed for this module, but could be useful as example code)
 
 	red_button.loop();

src/modules/testmodule_date/testmodule_date.ino

@@ -47,7 +47,7 @@ void setup() {
 obus_can::message message;
 
 void loop() {
-  bool received = obus_module::loopPuzzle(&message);
+  bool received = obus_module::loopPuzzle(&message, callback_game_start, callback_game_stop);
   // TODO handle update frames (not needed for this module, but could be useful as example code)
   solve_button.loop();
   if (solve_button.getCount() > 0) {

src/modules/testmodule_info/doc/index.md

@@ -0,0 +1,6 @@
+## Testmodule info
+
+This is a simple info module
+
+### Credits
+Module developed by redfast00.

src/modules/testmodule_info/testmodule_info.ino

@@ -0,0 +1,29 @@
+// (c) 2020, redfast00
+// See the LICENSE file for conditions for copying
+
+#include <obus_module.h>
+
+void setup() {
+	Serial.begin(115200);
+
+	// Choose one
+	// Puzzle: a module that must be solved
+	obus_module::setup(OBUS_TYPE_PUZZLE, OBUS_PUZZLE_ID_DEVELOPMENT);
+	// Needy: a module that periodically requires an action not to get strikes
+	// obus_module::setup(OBUS_TYPE_NEEDY, OBUS_NEEDY_ID_DEVELOPMENT);
+}
+
+obus_can::message message;
+
+void loop() {
+	bool is_message_valid = obus_module::loop_puzzle(&message, callback_game_start, callback_game_stop);
+	// bool bool is_message_valid = obus_module::loop_needy(&message);
+}
+
+void callback_game_start() {
+
+}
+
+void callback_game_stop() {
+
+}

src/modules/testmodule_needy_buttons/testmodule_needy_buttons.ino

@@ -20,7 +20,7 @@ uint32_t next_activation_time = 0;
 uint32_t trigger_time = 0;
 
 void loop() {
-	bool is_message_valid = obus_module::loopNeedy(&message);
+	bool is_message_valid = obus_module::loopNeedy(&message, callback_game_start, callback_game_stop);
 	green_button.loop();
 
 	// Every second, have a 1/20 chance to trigger the countdown

src/template_module/main.ino

@@ -16,7 +16,7 @@ void setup() {
 obus_can::message message;
 
 void loop() {
-	bool is_message_valid = obus_module::loop_puzzle(&message);
+	bool is_message_valid = obus_module::loop_puzzle(&message, callback_game_start, callback_game_stop);
 	// bool bool is_message_valid = obus_module::loop_needy(&message);
 }