119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
#ifndef radio_h_included
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#define radio_h_included
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#include "config.h"
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#include "display.h"
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// msgType definitions to identify message and be able to use correcnt structure
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#define msgType_Clock 'c' /* clock update, sent by master using broadcast */
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#define msgType_OfferPairing 'R' /* Request Registration, sent by Master using broadcast; ask clients to register */
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#define msgType_RequestPairing 'r' /* Registration message, sent by Client using 1:1 message to master */
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#define msgType_ackPairingRequest 'A'
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#define msgType_TextMessage 'T'
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// address definitions for special addresses
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#define MESSAGE_TO_ALL 0xff
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#define MESSAGE_TO_Master 0x00
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#define MESSAGE_FROM_Master MESSAGE_TO_Master
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// message structures for easy access:
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struct clockMsg_s {
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uint8_t msgType;
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uint8_t to;
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uint8_t from;
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char clockName[MAX_CLOCK_NAME_LEN];
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uint8_t day;
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uint8_t hour;
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uint8_t minute;
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uint8_t second;
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uint8_t speed; // msPerModelSecond / 4 --> 0..250
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};
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struct offerPairing_s {
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uint8_t msgType;
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uint8_t to;
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uint8_t from;
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char clockName[MAX_CLOCK_NAME_LEN];
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uint8_t channel;
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};
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struct requestPairing_s {
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uint8_t msgType;
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uint8_t to;
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uint8_t from;
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char clientName[MAX_CLIENT_NAME_LEN];
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};
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struct ackPairing_s {
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uint8_t msgType;
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uint8_t to;
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uint8_t from;
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char clockName[MAX_CLOCK_NAME_LEN];
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char clientName[MAX_CLIENT_NAME_LEN];
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uint8_t clientNetworkAddress; // address assigned to client by controller (instead of using names, used as from/to */
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};
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struct textMessage_s {
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uint8_t msgType;
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uint8_t to;
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uint8_t from;
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char text[MAX_TEXT_MESSAGE_LEN];
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};
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class Radio {
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public:
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Radio(Display *d, bool _isMaster):display(d), isMaster(_isMaster) {
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inTX = true;
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inRX = false;
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role = inRX;
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nextRequestToRegisterAnnouncement_ts = 0;
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nextClockAdvertisement_ts = 0;
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nextPairingOfferingAnnouncement_ts = 0;
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timeBetweenClockAdvertisements_ms = DEFAULT_TIME_BETWEEN_CLOCK_ADVERTISEMENTS_ms;
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timeForClientsToRespond_ms = DEFAULT_TIME_FOR_CLIENTS_TO_RESPOND_ms;
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timeBetweenPairingOfferingAnnouncements_ms = DEFAULT_TIME_BETWEEN_PAIRING_OFFERINGS_ms;
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nextSendMessage_ts = 0;
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clockChannel = DEFAULT_CLOCK_CHANNEL;
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strncpy(clockName, "defclk", MAX_CLOCK_NAME_LEN);
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};
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void setClockName(const char *_clockName) {
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strncpy(clockName, _clockName, MAX_CLOCK_NAME_LEN);
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};
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void setClockChannel(uint8_t _channel) {
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clockChannel = _channel;
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};
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void begin(void);
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void loop(void);
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void broadcastClock(int day, int hour, int minute, int second, int msPerModelSecond);
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void broadcastOfferPairing(const char *clockName, uint8_t channel);
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void broadcastTextMessage(const char *text);
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void handleRequestPairing(struct requestPairing_s *request);
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void ackPairingRequest(char *clientName, uint8_t clientNetworkAddress);
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void avoidChannelSwitchesFor_ms(unsigned int duration_ms);
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void listenOnlyFor_ms(unsigned int duration_ms);
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bool allowedToSendNow(void);
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private:
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Display *display;
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bool isMaster;
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void switchToSenderRole(void);
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void switchToReceiverRole(void);
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bool inTX, inRX, role;
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char clockName[MAX_CLOCK_NAME_LEN];
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void broadcastMessage(void *msg, int len);
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void broadcastMessageOnChannel(void *msg, int len, uint8_t channel);
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void broadcastClockAdvertisement(const char *clockName, uint8_t channel);
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bool checkPairingOffering(void); // returns true, if a message has been sent
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bool checkClockAdvertisement(void); // returns true, if a message has been sent
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unsigned long nextClockAdvertisement_ts;
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unsigned long timeBetweenClockAdvertisements_ms;
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unsigned long nextPairingOfferingAnnouncement_ts;
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unsigned long timeBetweenPairingOfferingAnnouncements_ms;
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unsigned long nextRequestToRegisterAnnouncement_ts;
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unsigned long timeForClientsToRespond_ms;
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unsigned long nextSendMessage_ts;
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uint8_t clockChannel;
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};
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#endif
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