76 lines
2.1 KiB
C++
76 lines
2.1 KiB
C++
bool initCommunication() {
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WiFi.persistent(false);
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bool ok = WifiEspNowBroadcast.begin("CO-WARN", 3);
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if (!ok) {
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LOG("WifiEspNowBroadcast.begin() failed");
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return false;
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}
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WifiEspNowBroadcast.onReceive(processRx, nullptr);
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LOG("MAC address of this node is %s", WiFi.softAPmacAddress().c_str());
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return true;
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}
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/*
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process wifi stack Rx interrupt
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*/
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ICACHE_RAM_ATTR void processRx(const uint8_t mac[6], const uint8_t* buf, size_t count, void* cbarg) {
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//simple frame size check
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if (count != sizeof(receiveBuffer[rxCounter])) {
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return;
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}
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else
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{
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receiveBuffer[rxCounter] = *(rm370*)buf;
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//memcpy(&receiveBuffer[rxCounter].originMAC[0], &mac, sizeof(receiveBuffer[rxCounter].originMAC)); //dont overwrite original package
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//shift ring buffer input pointer
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if (rxCounter + 1 < MAX_PEERS) {
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rxCounter++;
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}
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else {
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rxCounter = 0;
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}
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}
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LOG("Message from %02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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}
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/*
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*/
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void checkMessage() {
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if (receiveBuffer[rxHandlePointer].PREAMBLE1 == 'R' && receiveBuffer[rxHandlePointer].PREAMBLE2 == 'M') {
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LOG("Origin MAC %02X:%02X:%02X:%02X:%02X:%02X || \tStatus: %c | BatWarn: %c",
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receiveBuffer[rxHandlePointer].originMAC[0],
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receiveBuffer[rxHandlePointer].originMAC[1],
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receiveBuffer[rxHandlePointer].originMAC[2],
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receiveBuffer[rxHandlePointer].originMAC[3],
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receiveBuffer[rxHandlePointer].originMAC[4],
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receiveBuffer[rxHandlePointer].originMAC[5],
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receiveBuffer[rxHandlePointer].code,
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(receiveBuffer[rxHandlePointer].batteryWarning) ? '!' : '.');
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switch (receiveBuffer[rxHandlePointer].code) {
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case 'r':
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//LOG("\tALARM received");
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break;
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case 'y':
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//LOG("\tWARNING received");
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break;
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case 'g':
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//LOG("\tGREEN received");
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break;
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default:
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break;
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}
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if (receiveBuffer[rxHandlePointer].batteryWarning == true) {
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//LOG("\tBAT Warning received");
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}
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refreshGlobalStatus = true;
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}
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else {
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DEBUGLOG("Payload does not contain known preamble.");
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}
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}
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void sendMessage() {
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}
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