Initial commit of Arduino libraries

RadioLib/examples/Si443x/Si443x_Receive_Blocking/Si443x_Receive_Blocking.ino

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+/*
+  RadioLib Si443x Blocking Receive Example
+
+  This example receives packets using Si443x FSK radio module.
+  To successfully receive data, the following settings have to be the same
+  on both transmitter and receiver:
+  - carrier frequency
+  - bit rate
+  - frequency deviation
+  - sync word
+
+  Using blocking receive is not recommended, as it will lead
+  to significant amount of timeouts, inefficient use of processor
+  time and can some miss packets!
+  Instead, interrupt receive is recommended.
+
+  Other modules from Si443x/RFM2x family can also be used.
+
+  For default module settings, see the wiki page
+  https://github.com/jgromes/RadioLib/wiki/Default-configuration#si443xrfm2x
+
+  For full API reference, see the GitHub Pages
+  https://jgromes.github.io/RadioLib/
+*/
+
+// include the library
+#include <RadioLib.h>
+
+// Si4432 has the following connections:
+// nSEL pin:  10
+// nIRQ pin:  2
+// SDN pin:   9
+Si4432 radio = new Module(10, 2, 9);
+
+// or detect the pinout automatically using RadioBoards
+// https://github.com/radiolib-org/RadioBoards
+/*
+#define RADIO_BOARD_AUTO
+#include <RadioBoards.h>
+Radio radio = new RadioModule();
+*/
+
+void setup() {
+  Serial.begin(9600);
+
+  // initialize Si4432 with default settings
+  Serial.print(F("[Si4432] Initializing ... "));
+  int state = radio.begin();
+  if (state == RADIOLIB_ERR_NONE) {
+    Serial.println(F("success!"));
+  } else {
+    Serial.print(F("failed, code "));
+    Serial.println(state);
+    while (true) { delay(10); }
+  }
+}
+
+void loop() {
+  Serial.print(F("[Si4432] Waiting for incoming transmission ... "));
+
+  // you can receive data as an Arduino String
+  String str;
+  int state = radio.receive(str);
+
+  // you can also receive data as byte array
+  /*
+    byte byteArr[8];
+    int state = radio.receive(byteArr, 8);
+  */
+
+  if (state == RADIOLIB_ERR_NONE) {
+    // packet was successfully received
+    Serial.println(F("success!"));
+
+    // print the data of the packet
+    Serial.print(F("[Si4432] Data:\t\t"));
+    Serial.println(str);
+
+  } else if (state == RADIOLIB_ERR_RX_TIMEOUT) {
+    // timeout occurred while waiting for a packet
+    Serial.println(F("timeout!"));
+
+  } else if (state == RADIOLIB_ERR_CRC_MISMATCH) {
+    // packet was received, but is malformed
+    Serial.println(F("CRC error!"));
+
+  } else {
+    // some other error occurred
+    Serial.print(F("failed, code "));
+    Serial.println(state);
+
+  }
+}