Initial commit

src/helpers/RadioLibWrappers.cpp

@@ -0,0 +1,93 @@
+
+#define RADIOLIB_STATIC_ONLY 1
+#include "RadioLibWrappers.h"
+
+#define STATE_IDLE       0
+#define STATE_RX         1
+#define STATE_TX_WAIT    3
+#define STATE_TX_DONE    4
+#define STATE_INT_READY 16
+
+static volatile uint8_t state = STATE_IDLE;
+
+// this function is called when a complete packet
+// is transmitted by the module
+static 
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlag(void) {
+  // we sent a packet, set the flag
+  state |= STATE_INT_READY;
+}
+
+void RadioLibWrapper::begin() {
+  _radio->setPacketReceivedAction(setFlag);  // this is also SentComplete interrupt
+  state = STATE_IDLE;
+
+  if (_board->getStartupReason() == BD_STARTUP_RX_PACKET) {  // received a LoRa packet (while in deep sleep)
+    setFlag(); // LoRa packet is already received
+  }
+}
+
+int RadioLibWrapper::recvRaw(uint8_t* bytes, int sz) {
+  if (state & STATE_INT_READY) {
+    int len = _radio->getPacketLength();
+    if (len > 0) {
+      if (len > sz) { len = sz; }
+      int err = _radio->readData(bytes, len);
+      if (err != RADIOLIB_ERR_NONE) {
+        MESH_DEBUG_PRINTLN("RadioLibWrapper: error: readData()");
+      } else {
+      //  Serial.print("  readData() -> "); Serial.println(len);
+      }
+      n_recv++;
+    }
+    state = STATE_IDLE;   // need another startReceive()
+    return len;
+  }
+
+  if (state != STATE_RX) {
+    int err = _radio->startReceive();
+    if (err != RADIOLIB_ERR_NONE) {
+      MESH_DEBUG_PRINTLN("RadioLibWrapper: error: startReceive()");
+    }
+    state = STATE_RX;
+  }
+  return 0;
+}
+
+uint32_t RadioLibWrapper::getEstAirtimeFor(int len_bytes) {
+  return _radio->getTimeOnAir(len_bytes) / 1000;
+}
+
+void RadioLibWrapper::startSendRaw(const uint8_t* bytes, int len) {
+  state = STATE_TX_WAIT;
+  _board->onBeforeTransmit();
+  int err = _radio->startTransmit((uint8_t *) bytes, len);
+  if (err != RADIOLIB_ERR_NONE) {
+    MESH_DEBUG_PRINTLN("RadioLibWrapper: error: startTransmit()");
+  }
+}
+
+bool RadioLibWrapper::isSendComplete() {
+  if (state & STATE_INT_READY) {
+    state = STATE_IDLE;
+    n_sent++;
+    return true;
+  }
+  return false;
+}
+
+void RadioLibWrapper::onSendFinished() {
+  _radio->finishTransmit();
+  _board->onAfterTransmit();
+  state = STATE_IDLE;
+}
+
+float RadioLibWrapper::getLastRSSI() const {
+  return _radio->getRSSI();
+}
+float RadioLibWrapper::getLastSNR() const {
+  return _radio->getSNR();
+}