Diff: LoRa.h

Revision:

0:a761fba7f8a8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LoRa.h	Tue Jul 31 16:30:32 2018 +0000
@@ -0,0 +1,89 @@
+#ifndef LORA_H
+#define LORA_H
+
+#include "mbed.h"
+
+#define LORA_DEFAULT_SS_PIN    P5_4
+#define LORA_DEFAULT_RESET_PIN P5_5
+#define LORA_DEFAULT_DIO0_PIN  P3_3
+
+#define PA_OUTPUT_RFO_PIN      0
+#define PA_OUTPUT_PA_BOOST_PIN 1
+
+class LoRaClass: public Stream
+{
+public:
+    LoRaClass();
+
+    int begin(long frequency);
+    void end();
+
+    int beginPacket(int implicitHeader = false);
+    int endPacket();
+
+    int parsePacket(int size = 0);
+    int packetRssi();
+    float packetSnr();
+
+    void onReceive(void(*callback)(int));
+
+    void receive(int size = 0);
+    void idle();
+    void sleep();
+
+    void setTxPower(int level, int outputPin = PA_OUTPUT_PA_BOOST_PIN);
+    void setFrequency(long frequency);
+    void setSpreadingFactor(int sf);
+    void setSignalBandwidth(long sbw);
+    void setCodingRate4(int denominator);
+    void setPreambleLength(long length);
+    void setSyncWord(int sw);
+    void enableCrc();
+    void disableCrc();
+
+    // deprecated
+    void crc() {
+        enableCrc();
+    }
+    void noCrc() {
+        disableCrc();
+    }
+
+    uint8_t random();
+
+    void dumpRegisters(Stream& out);
+
+//protected:
+    // from Print
+    virtual int _putc(int value);
+    virtual int _getc();
+
+    int available();
+    int peek();
+
+private:
+    void explicitHeaderMode();
+    void implicitHeaderMode();
+
+    void handleDio0Rise();
+
+    uint8_t readRegister(uint8_t address);
+    void writeRegister(uint8_t address, uint8_t value);
+    uint8_t singleTransfer(uint8_t address, uint8_t value);
+
+    static void onDio0Rise();
+
+private:
+    SPI &spi;
+    DigitalOut _ss;
+    DigitalOut _reset;
+    InterruptIn _dio0;
+    int _frequency;
+    int _packetIndex;
+    int _implicitHeaderMode;
+    void (*_onReceive)(int);
+};
+
+extern LoRaClass LoRa;
+
+#endif