Beispiel #1
0
        static void Main()
        {
#if TINYCLR_V2_SC20100DEV_MIKROBUS_1
            Rfm9XDevice rfm9XDevice = new Rfm9XDevice(SC20100.SpiBus.Spi3, SC20100.GpioPin.PD3, SC20100.GpioPin.PD4);
#endif
#if TINYCLR_V2_SC20100DEV_MIKROBUS_2
            Rfm9XDevice rfm9XDevice = new Rfm9XDevice(SC20100.SpiBus.Spi3, SC20100.GpioPin.PD14, SC20100.GpioPin.PD15);
#endif
#if TINYCLR_V2_FEZDUINO
            Rfm9XDevice rfm9XDevice = new Rfm9XDevice(SC20100.SpiBus.Spi6, SC20100.GpioPin.PB1, SC20100.GpioPin.PA15);
#endif
#if TINYCLR_V2_FEZPORTAL
            Rfm9XDevice rfm9XDevice = new Rfm9XDevice(SC20100.SpiBus.Spi3, SC20100.GpioPin.PC13, SC20100.GpioPin.PD4);
#endif

            // Put device into LoRa + Sleep mode
            rfm9XDevice.RegisterWriteByte(0x01, 0b10000000); // RegOpMode

            // Set the frequency to 915MHz
            byte[] frequencyWriteBytes = { 0xE4, 0xC0, 0x00 }; // RegFrMsb, RegFrMid, RegFrLsb
            rfm9XDevice.RegisterWrite(0x06, frequencyWriteBytes);

            rfm9XDevice.RegisterWriteByte(0x0F, 0x0);        // RegFifoRxBaseAddress

            rfm9XDevice.RegisterWriteByte(0x01, 0b10000101); // RegOpMode set LoRa & RxContinuous

            while (true)
            {
                // Wait until a packet is received, no timeouts in PoC
                Debug.WriteLine("Receive-Wait");
                byte irqFlags = rfm9XDevice.RegisterReadByte(0x12); // RegIrqFlags
                while ((irqFlags & 0b01000000) == 0)                // wait until RxDone cleared
                {
                    Thread.Sleep(100);
                    irqFlags = rfm9XDevice.RegisterReadByte(0x12); // RegIrqFlags
                    //Debug.Write(".");
                }
                Debug.WriteLine("");
                Debug.WriteLine($"RegIrqFlags 0X{irqFlags:X2}");
                Debug.WriteLine("Receive-Message");
                byte currentFifoAddress = rfm9XDevice.RegisterReadByte(0x10);        // RegFifiRxCurrent
                rfm9XDevice.RegisterWriteByte(0x0d, currentFifoAddress);             // RegFifoAddrPtr

                byte numberOfBytes = rfm9XDevice.RegisterReadByte(0x13);             // RegRxNbBytes

                byte[] messageBytes = rfm9XDevice.RegisterRead(0x00, numberOfBytes); // RegFifo

                rfm9XDevice.RegisterWriteByte(0x0d, 0);
                rfm9XDevice.RegisterWriteByte(0x12, 0b11111111); // RegIrqFlags clear all the bits

                string messageText = UTF8Encoding.UTF8.GetString(messageBytes);
                Debug.WriteLine($"Received {messageBytes.Length} byte message {messageText}");

                Debug.WriteLine("Receive-Done");
            }
        }
Beispiel #2
0
        static void Main()
        {
#if ST_STM32F429I_DISCOVERY
            int chipSelectPinNumber = PinNumber('C', 2);
            int resetPinNumber      = PinNumber('C', 3);
#endif
#if ESP32_WROOM_32_LORA_1_CHANNEL
            int chipSelectPinNumber = Gpio.IO16;
#endif
#if NETDUINO3_WIFI
            int chipSelectPinNumber = PinNumber('B', 10);
            int resetPinNumber      = PinNumber('E', 5);
#endif

            try
            {
#if ESP32_WROOM_32_LORA_1_CHANNEL
                Configuration.SetPinFunction(Gpio.IO12, DeviceFunction.SPI1_MISO);
                Configuration.SetPinFunction(Gpio.IO13, DeviceFunction.SPI1_MOSI);
                Configuration.SetPinFunction(Gpio.IO14, DeviceFunction.SPI1_CLOCK);
                Rfm9XDevice rfm9XDevice = new Rfm9XDevice(SpiBusId, chipSelectPinNumber);
#endif
#if ST_STM32F429I_DISCOVERY || NETDUINO3_WIFI
                Rfm9XDevice rfm9XDevice = new Rfm9XDevice(SpiBusId, chipSelectPinNumber, resetPinNumber);
#endif
                Thread.Sleep(500);

                // Put device into LoRa + Sleep mode
                rfm9XDevice.RegisterWriteByte(0x01, 0b10000000); // RegOpMode

                // Set the frequency to 915MHz
                byte[] frequencyWriteBytes = { 0xE4, 0xC0, 0x00 }; // RegFrMsb, RegFrMid, RegFrLsb
                rfm9XDevice.RegisterWrite(0x06, frequencyWriteBytes);

                rfm9XDevice.RegisterWriteByte(0x0F, 0x0);        // RegFifoRxBaseAddress

                rfm9XDevice.RegisterWriteByte(0x01, 0b10000101); // RegOpMode set LoRa & RxContinuous

                while (true)
                {
                    // Wait until a packet is received, no timeouts in PoC
                    Debug.WriteLine("Receive-Wait");
                    byte irqFlags = rfm9XDevice.RegisterReadByte(0x12); // RegIrqFlags
                    while ((irqFlags & 0b01000000) == 0)                // wait until RxDone cleared
                    {
                        Thread.Sleep(100);
                        irqFlags = rfm9XDevice.RegisterReadByte(0x12); // RegIrqFlags
                        Debug.Write(".");
                    }
                    Debug.WriteLine("");
                    Debug.WriteLine($"RegIrqFlags 0X{irqFlags:X2}");
                    Debug.WriteLine("Receive-Message");
                    byte currentFifoAddress = rfm9XDevice.RegisterReadByte(0x10);        // RegFifiRxCurrent
                    rfm9XDevice.RegisterWriteByte(0x0d, currentFifoAddress);             // RegFifoAddrPtr

                    byte numberOfBytes = rfm9XDevice.RegisterReadByte(0x13);             // RegRxNbBytes

                    byte[] messageBytes = rfm9XDevice.RegisterRead(0x00, numberOfBytes); // RegFifo

                    rfm9XDevice.RegisterWriteByte(0x0d, 0);
                    rfm9XDevice.RegisterWriteByte(0x12, 0b11111111); // RegIrqFlags clear all the bits

                    // Remove unprintable characters from messages
                    for (int index = 0; index < messageBytes.Length; index++)
                    {
                        if ((messageBytes[index] < 0x20) || (messageBytes[index] > 0x7E))
                        {
                            messageBytes[index] = 0x20;
                        }
                    }

                    string messageText = UTF8Encoding.UTF8.GetString(messageBytes, 0, messageBytes.Length);
                    Debug.WriteLine($"Received {messageBytes.Length} byte message {messageText}");

                    Debug.WriteLine("Receive-Done");
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.Message);
            }
        }