nimita naik
/
SX1262PingPong
ping pong with modifiable parameters
main.cpp@4:99bfe3b61a6a, 2019-06-20 (annotated)
- Committer:
- nimita23
- Date:
- Thu Jun 20 22:04:10 2019 +0000
- Revision:
- 4:99bfe3b61a6a
- Parent:
- 3:c704345b0c9f
- Child:
- 5:dc53029f4c02
frequency changeable;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GregCr | 1:22e02d1cfbca | 1 | #include "mbed.h" |
GregCr | 1:22e02d1cfbca | 2 | #include "radio.h" |
nimita23 | 2:2bedac9faed3 | 3 | #include "sx126x-hal.h" |
GregCr | 1:22e02d1cfbca | 4 | |
nimita23 | 4:99bfe3b61a6a | 5 | #define buffer_size 256 // incoming buffer size |
nimita23 | 4:99bfe3b61a6a | 6 | #define buffer_fill buffer_size+1 // number, when buffer is ready |
GregCr | 1:22e02d1cfbca | 7 | |
GregCr | 1:22e02d1cfbca | 8 | |
nimita23 | 4:99bfe3b61a6a | 9 | long unsigned RF_FREQUENCY = 350000000; // Hz |
nimita23 | 4:99bfe3b61a6a | 10 | |
nimita23 | 4:99bfe3b61a6a | 11 | Serial s( USBTX, USBRX ); |
nimita23 | 4:99bfe3b61a6a | 12 | // additional variables for incoming data |
nimita23 | 4:99bfe3b61a6a | 13 | char serial_buffer[buffer_size]; // buffer to save incoming data |
nimita23 | 4:99bfe3b61a6a | 14 | int serial_buffer_index = 0; // index array for buffer |
nimita23 | 4:99bfe3b61a6a | 15 | bool serial_end_line = false; // searching for end line |
nimita23 | 4:99bfe3b61a6a | 16 | |
GregCr | 1:22e02d1cfbca | 17 | |
GregCr | 1:22e02d1cfbca | 18 | /*! |
GregCr | 1:22e02d1cfbca | 19 | * \brief Defines the output power in dBm |
GregCr | 1:22e02d1cfbca | 20 | * |
GregCr | 1:22e02d1cfbca | 21 | * \remark The range of the output power is [-18..+13] dBm |
GregCr | 1:22e02d1cfbca | 22 | */ |
nimita23 | 2:2bedac9faed3 | 23 | #define TX_OUTPUT_POWER 10 |
GregCr | 1:22e02d1cfbca | 24 | |
GregCr | 1:22e02d1cfbca | 25 | /*! |
GregCr | 1:22e02d1cfbca | 26 | * \brief Defines the states of the application |
GregCr | 1:22e02d1cfbca | 27 | */ |
GregCr | 1:22e02d1cfbca | 28 | typedef enum |
GregCr | 1:22e02d1cfbca | 29 | { |
GregCr | 1:22e02d1cfbca | 30 | APP_LOWPOWER, |
GregCr | 1:22e02d1cfbca | 31 | APP_RX, |
GregCr | 1:22e02d1cfbca | 32 | APP_RX_TIMEOUT, |
GregCr | 1:22e02d1cfbca | 33 | APP_RX_ERROR, |
GregCr | 1:22e02d1cfbca | 34 | APP_TX, |
GregCr | 1:22e02d1cfbca | 35 | APP_TX_TIMEOUT, |
GregCr | 1:22e02d1cfbca | 36 | }AppStates_t; |
GregCr | 1:22e02d1cfbca | 37 | |
GregCr | 1:22e02d1cfbca | 38 | /*! |
GregCr | 1:22e02d1cfbca | 39 | * \brief Defines the buffer size, i.e. the payload size |
GregCr | 1:22e02d1cfbca | 40 | */ |
GregCr | 1:22e02d1cfbca | 41 | #define BUFFER_SIZE 16 |
GregCr | 1:22e02d1cfbca | 42 | |
GregCr | 1:22e02d1cfbca | 43 | /*! |
GregCr | 1:22e02d1cfbca | 44 | * \brief Define the possible message type for this application |
GregCr | 1:22e02d1cfbca | 45 | */ |
GregCr | 1:22e02d1cfbca | 46 | const uint8_t PingMsg[] = "PING"; |
GregCr | 1:22e02d1cfbca | 47 | const uint8_t PongMsg[] = "PONG"; |
GregCr | 1:22e02d1cfbca | 48 | |
GregCr | 1:22e02d1cfbca | 49 | /*! |
GregCr | 1:22e02d1cfbca | 50 | * \brief Defines the size of the token defining message type in the payload |
GregCr | 1:22e02d1cfbca | 51 | */ |
GregCr | 1:22e02d1cfbca | 52 | #define PINGPONGSIZE 4 |
GregCr | 1:22e02d1cfbca | 53 | |
GregCr | 1:22e02d1cfbca | 54 | /*! |
GregCr | 1:22e02d1cfbca | 55 | * \brief The size of the buffer |
GregCr | 1:22e02d1cfbca | 56 | */ |
GregCr | 1:22e02d1cfbca | 57 | uint8_t BufferSize = BUFFER_SIZE; |
GregCr | 1:22e02d1cfbca | 58 | |
GregCr | 1:22e02d1cfbca | 59 | /*! |
GregCr | 1:22e02d1cfbca | 60 | * \brief The buffer |
GregCr | 1:22e02d1cfbca | 61 | */ |
GregCr | 1:22e02d1cfbca | 62 | uint8_t Buffer[BUFFER_SIZE]; |
GregCr | 1:22e02d1cfbca | 63 | |
GregCr | 1:22e02d1cfbca | 64 | /*! |
GregCr | 1:22e02d1cfbca | 65 | * \brief The State of the application |
GregCr | 1:22e02d1cfbca | 66 | */ |
GregCr | 1:22e02d1cfbca | 67 | AppStates_t AppState = APP_LOWPOWER; |
GregCr | 1:22e02d1cfbca | 68 | |
GregCr | 1:22e02d1cfbca | 69 | int8_t RssiValue = 0; |
GregCr | 1:22e02d1cfbca | 70 | int8_t SnrValue = 0; |
nimita23 | 4:99bfe3b61a6a | 71 | ModulationParams_t modulationParams; |
GregCr | 1:22e02d1cfbca | 72 | |
nimita23 | 4:99bfe3b61a6a | 73 | void OnTxDone( void ); |
nimita23 | 4:99bfe3b61a6a | 74 | void OnRxDone( void ); |
GregCr | 1:22e02d1cfbca | 75 | void OnTxTimeout( void ); |
GregCr | 1:22e02d1cfbca | 76 | void OnRxTimeout( void ); |
GregCr | 1:22e02d1cfbca | 77 | void OnRxError( IrqErrorCode_t ); |
nimita23 | 4:99bfe3b61a6a | 78 | void parser(); |
nimita23 | 4:99bfe3b61a6a | 79 | void LoRa_init(ModulationParams_t modulationParams); |
GregCr | 1:22e02d1cfbca | 80 | |
nimita23 | 2:2bedac9faed3 | 81 | |
nimita23 | 4:99bfe3b61a6a | 82 | RadioCallbacks_t callbacks = { |
GregCr | 1:22e02d1cfbca | 83 | &OnTxDone, // txDone |
GregCr | 1:22e02d1cfbca | 84 | &OnRxDone, // rxDone |
nimita23 | 2:2bedac9faed3 | 85 | NULL, // rxPreambleDetect |
nimita23 | 2:2bedac9faed3 | 86 | NULL, // rxSyncWordDone |
nimita23 | 2:2bedac9faed3 | 87 | NULL, // rxHeaderDone |
GregCr | 1:22e02d1cfbca | 88 | &OnTxTimeout, // txTimeout |
GregCr | 1:22e02d1cfbca | 89 | &OnRxTimeout, // rxTimeout |
GregCr | 1:22e02d1cfbca | 90 | &OnRxError, // rxError |
nimita23 | 2:2bedac9faed3 | 91 | NULL, // cadDone |
GregCr | 1:22e02d1cfbca | 92 | }; |
GregCr | 1:22e02d1cfbca | 93 | |
GregCr | 1:22e02d1cfbca | 94 | // mosi, miso, sclk, nss, busy, dio1, dio2, dio3, rst, callbacks... |
nimita23 | 2:2bedac9faed3 | 95 | |
nimita23 | 2:2bedac9faed3 | 96 | SX126xHal Radio( D11, D12, D13, D7, D3, D5, NC, NC, A0, A1, A2, D8, &callbacks ); |
GregCr | 1:22e02d1cfbca | 97 | |
GregCr | 1:22e02d1cfbca | 98 | DigitalOut ANT_SW( A3 ); |
GregCr | 1:22e02d1cfbca | 99 | DigitalOut TxLed( A4 ); |
GregCr | 1:22e02d1cfbca | 100 | DigitalOut RxLed( A5 ); |
GregCr | 1:22e02d1cfbca | 101 | |
GregCr | 1:22e02d1cfbca | 102 | /*! |
GregCr | 1:22e02d1cfbca | 103 | * \brief Define IO for Unused Pin |
GregCr | 1:22e02d1cfbca | 104 | */ |
GregCr | 1:22e02d1cfbca | 105 | DigitalOut F_CS( D6 ); // MBED description of pin |
GregCr | 1:22e02d1cfbca | 106 | DigitalOut SD_CS( D8 ); // MBED description of pin |
GregCr | 1:22e02d1cfbca | 107 | |
GregCr | 1:22e02d1cfbca | 108 | /*! |
GregCr | 1:22e02d1cfbca | 109 | * \brief Number of tick size steps for tx timeout |
GregCr | 1:22e02d1cfbca | 110 | */ |
nimita23 | 3:c704345b0c9f | 111 | #define TX_TIMEOUT_VALUE 0xFFFF // ms |
GregCr | 1:22e02d1cfbca | 112 | |
GregCr | 1:22e02d1cfbca | 113 | /*! |
GregCr | 1:22e02d1cfbca | 114 | * \brief Number of tick size steps for rx timeout |
GregCr | 1:22e02d1cfbca | 115 | */ |
nimita23 | 3:c704345b0c9f | 116 | #define RX_TIMEOUT_VALUE 0xFFFF // ms |
GregCr | 1:22e02d1cfbca | 117 | |
GregCr | 1:22e02d1cfbca | 118 | /*! |
GregCr | 1:22e02d1cfbca | 119 | * \brief Mask of IRQs to listen to in rx mode |
GregCr | 1:22e02d1cfbca | 120 | */ |
nimita23 | 2:2bedac9faed3 | 121 | uint16_t RxIrqMask = IRQ_RX_DONE | IRQ_CRC_ERROR | IRQ_RX_TX_TIMEOUT; |
GregCr | 1:22e02d1cfbca | 122 | |
GregCr | 1:22e02d1cfbca | 123 | /*! |
GregCr | 1:22e02d1cfbca | 124 | * \brief Mask of IRQs to listen to in tx mode |
GregCr | 1:22e02d1cfbca | 125 | */ |
GregCr | 1:22e02d1cfbca | 126 | uint16_t TxIrqMask = IRQ_TX_DONE | IRQ_RX_TX_TIMEOUT; |
GregCr | 1:22e02d1cfbca | 127 | |
GregCr | 1:22e02d1cfbca | 128 | /*! |
GregCr | 1:22e02d1cfbca | 129 | * \brief Locals parameters and status for radio API |
GregCr | 1:22e02d1cfbca | 130 | */ |
GregCr | 1:22e02d1cfbca | 131 | PacketParams_t PacketParams; |
GregCr | 1:22e02d1cfbca | 132 | PacketStatus_t PacketStatus; |
GregCr | 1:22e02d1cfbca | 133 | |
nimita23 | 4:99bfe3b61a6a | 134 | |
nimita23 | 4:99bfe3b61a6a | 135 | void serialRx() |
nimita23 | 4:99bfe3b61a6a | 136 | { |
nimita23 | 4:99bfe3b61a6a | 137 | int j; |
nimita23 | 4:99bfe3b61a6a | 138 | while(s.readable()) { |
nimita23 | 4:99bfe3b61a6a | 139 | char character=s.getc(); |
nimita23 | 4:99bfe3b61a6a | 140 | if(( (int)character==10 || (int)character==13) && serial_end_line) { |
nimita23 | 4:99bfe3b61a6a | 141 | serial_end_line=true; |
nimita23 | 4:99bfe3b61a6a | 142 | continue; |
nimita23 | 4:99bfe3b61a6a | 143 | } else { |
nimita23 | 4:99bfe3b61a6a | 144 | serial_end_line=false; |
nimita23 | 4:99bfe3b61a6a | 145 | } |
nimita23 | 4:99bfe3b61a6a | 146 | if(serial_buffer_index != buffer_fill) { |
nimita23 | 4:99bfe3b61a6a | 147 | serial_buffer[serial_buffer_index++] = character; |
nimita23 | 4:99bfe3b61a6a | 148 | if(serial_buffer_index == buffer_size) { |
nimita23 | 4:99bfe3b61a6a | 149 | serial_buffer[buffer_size-1] = '\0'; |
nimita23 | 4:99bfe3b61a6a | 150 | serial_buffer_index=buffer_fill; |
nimita23 | 4:99bfe3b61a6a | 151 | continue; |
nimita23 | 4:99bfe3b61a6a | 152 | } |
nimita23 | 4:99bfe3b61a6a | 153 | if(character == 13 || character == 10) { |
nimita23 | 4:99bfe3b61a6a | 154 | serial_buffer[serial_buffer_index-1] = '\0'; |
nimita23 | 4:99bfe3b61a6a | 155 | serial_buffer_index = buffer_fill; |
nimita23 | 4:99bfe3b61a6a | 156 | serial_end_line = true; |
nimita23 | 4:99bfe3b61a6a | 157 | } |
nimita23 | 4:99bfe3b61a6a | 158 | } |
nimita23 | 4:99bfe3b61a6a | 159 | } |
nimita23 | 4:99bfe3b61a6a | 160 | if(serial_buffer_index==buffer_fill && serial_end_line != true) { |
nimita23 | 4:99bfe3b61a6a | 161 | printf("Input too long to be parsed\n\r"); |
nimita23 | 4:99bfe3b61a6a | 162 | serial_buffer_index = 0; |
nimita23 | 4:99bfe3b61a6a | 163 | } |
nimita23 | 4:99bfe3b61a6a | 164 | else if(serial_end_line == true) { |
nimita23 | 4:99bfe3b61a6a | 165 | serial_buffer_index = 0; |
nimita23 | 4:99bfe3b61a6a | 166 | if(sscanf (serial_buffer,"%d",&j)) { // sscanf for searching integer |
nimita23 | 4:99bfe3b61a6a | 167 | printf("From PC:%d.\n\r" ,j); // write to serial incoming integer |
nimita23 | 4:99bfe3b61a6a | 168 | } |
nimita23 | 4:99bfe3b61a6a | 169 | parser(); |
nimita23 | 4:99bfe3b61a6a | 170 | } |
nimita23 | 4:99bfe3b61a6a | 171 | |
nimita23 | 4:99bfe3b61a6a | 172 | } |
nimita23 | 4:99bfe3b61a6a | 173 | |
GregCr | 1:22e02d1cfbca | 174 | /*! |
GregCr | 1:22e02d1cfbca | 175 | * \brief Specify serial datarate for UART debug output |
GregCr | 1:22e02d1cfbca | 176 | */ |
GregCr | 1:22e02d1cfbca | 177 | void baud( int baudrate ) |
nimita23 | 4:99bfe3b61a6a | 178 | { |
nimita23 | 4:99bfe3b61a6a | 179 | s.baud(baudrate); |
nimita23 | 4:99bfe3b61a6a | 180 | s.attach(&serialRx,Serial::RxIrq); |
GregCr | 1:22e02d1cfbca | 181 | } |
GregCr | 1:22e02d1cfbca | 182 | |
nimita23 | 4:99bfe3b61a6a | 183 | void LoRa_init() { |
GregCr | 1:22e02d1cfbca | 184 | modulationParams.PacketType = PACKET_TYPE_LORA; |
GregCr | 1:22e02d1cfbca | 185 | modulationParams.Params.LoRa.SpreadingFactor = LORA_SF7; |
nimita23 | 2:2bedac9faed3 | 186 | modulationParams.Params.LoRa.Bandwidth = LORA_BW_500; |
GregCr | 1:22e02d1cfbca | 187 | modulationParams.Params.LoRa.CodingRate = LORA_CR_4_5; |
GregCr | 1:22e02d1cfbca | 188 | |
GregCr | 1:22e02d1cfbca | 189 | PacketParams.PacketType = PACKET_TYPE_LORA; |
GregCr | 1:22e02d1cfbca | 190 | PacketParams.Params.LoRa.PreambleLength = 0x08; |
GregCr | 1:22e02d1cfbca | 191 | PacketParams.Params.LoRa.HeaderType = LORA_PACKET_VARIABLE_LENGTH; |
GregCr | 1:22e02d1cfbca | 192 | PacketParams.Params.LoRa.PayloadLength = 15; |
GregCr | 1:22e02d1cfbca | 193 | PacketParams.Params.LoRa.CrcMode = LORA_CRC_ON; |
GregCr | 1:22e02d1cfbca | 194 | PacketParams.Params.LoRa.InvertIQ = LORA_IQ_INVERTED; |
GregCr | 1:22e02d1cfbca | 195 | |
nimita23 | 2:2bedac9faed3 | 196 | |
GregCr | 1:22e02d1cfbca | 197 | |
GregCr | 1:22e02d1cfbca | 198 | Radio.SetStandby( STDBY_RC ); |
GregCr | 1:22e02d1cfbca | 199 | Radio.SetPacketType( modulationParams.PacketType ); |
GregCr | 1:22e02d1cfbca | 200 | Radio.SetModulationParams( &modulationParams ); |
GregCr | 1:22e02d1cfbca | 201 | Radio.SetPacketParams( &PacketParams ); |
GregCr | 1:22e02d1cfbca | 202 | |
GregCr | 1:22e02d1cfbca | 203 | Radio.SetRfFrequency( RF_FREQUENCY ); |
GregCr | 1:22e02d1cfbca | 204 | Radio.SetBufferBaseAddresses( 0x00, 0x00 ); |
GregCr | 1:22e02d1cfbca | 205 | Radio.SetTxParams( TX_OUTPUT_POWER, RADIO_RAMP_20_US ); |
GregCr | 1:22e02d1cfbca | 206 | |
GregCr | 1:22e02d1cfbca | 207 | RxLed = 0; |
GregCr | 1:22e02d1cfbca | 208 | TxLed = 0; |
GregCr | 1:22e02d1cfbca | 209 | |
GregCr | 1:22e02d1cfbca | 210 | Radio.SetDioIrqParams( RxIrqMask, RxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 211 | Radio.SetRx( RX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 212 | AppState = APP_LOWPOWER; |
nimita23 | 2:2bedac9faed3 | 213 | |
nimita23 | 2:2bedac9faed3 | 214 | Radio.ProcessIrqs( ); |
nimita23 | 4:99bfe3b61a6a | 215 | } |
nimita23 | 4:99bfe3b61a6a | 216 | |
nimita23 | 4:99bfe3b61a6a | 217 | int main( ) |
nimita23 | 4:99bfe3b61a6a | 218 | { |
nimita23 | 4:99bfe3b61a6a | 219 | bool isMaster = true; |
nimita23 | 4:99bfe3b61a6a | 220 | |
nimita23 | 4:99bfe3b61a6a | 221 | baud( 115200 ); |
nimita23 | 4:99bfe3b61a6a | 222 | |
nimita23 | 4:99bfe3b61a6a | 223 | F_CS = 1; |
nimita23 | 4:99bfe3b61a6a | 224 | SD_CS = 1; |
nimita23 | 4:99bfe3b61a6a | 225 | RxLed = 1; |
nimita23 | 4:99bfe3b61a6a | 226 | TxLed = 1; |
nimita23 | 4:99bfe3b61a6a | 227 | ANT_SW = 1; |
nimita23 | 4:99bfe3b61a6a | 228 | |
nimita23 | 4:99bfe3b61a6a | 229 | wait_ms( 500 ); // wait for on board DC/DC start-up time |
nimita23 | 4:99bfe3b61a6a | 230 | |
nimita23 | 4:99bfe3b61a6a | 231 | Radio.Init( ); |
nimita23 | 4:99bfe3b61a6a | 232 | Radio.SetRegulatorMode( USE_DCDC ); // Can also be set in LDO mode but consume more power |
nimita23 | 4:99bfe3b61a6a | 233 | |
nimita23 | 4:99bfe3b61a6a | 234 | memset( &Buffer, 0x00, BufferSize ); |
nimita23 | 4:99bfe3b61a6a | 235 | |
nimita23 | 4:99bfe3b61a6a | 236 | printf( "\n\n\r SX1262 Whitespace Ping Pong Application \n\n\r"); |
nimita23 | 4:99bfe3b61a6a | 237 | |
nimita23 | 4:99bfe3b61a6a | 238 | LoRa_init(); |
nimita23 | 4:99bfe3b61a6a | 239 | printf( "\nPing Pong running in LORA mode\n\r"); |
nimita23 | 4:99bfe3b61a6a | 240 | |
GregCr | 1:22e02d1cfbca | 241 | |
GregCr | 1:22e02d1cfbca | 242 | while( 1 ) |
GregCr | 1:22e02d1cfbca | 243 | { |
nimita23 | 2:2bedac9faed3 | 244 | Radio.ProcessIrqs( ); |
GregCr | 1:22e02d1cfbca | 245 | switch( AppState ) |
GregCr | 1:22e02d1cfbca | 246 | { |
GregCr | 1:22e02d1cfbca | 247 | case APP_RX: |
GregCr | 1:22e02d1cfbca | 248 | AppState = APP_LOWPOWER; |
GregCr | 1:22e02d1cfbca | 249 | RxLed = !RxLed; |
GregCr | 1:22e02d1cfbca | 250 | Radio.GetPayload( Buffer, &BufferSize, BUFFER_SIZE ); |
nimita23 | 2:2bedac9faed3 | 251 | printf("\n%s\n", Buffer); |
GregCr | 1:22e02d1cfbca | 252 | if( isMaster == true ) |
GregCr | 1:22e02d1cfbca | 253 | { |
GregCr | 1:22e02d1cfbca | 254 | if( BufferSize > 0 ) |
GregCr | 1:22e02d1cfbca | 255 | { |
GregCr | 1:22e02d1cfbca | 256 | if( strncmp( ( const char* )Buffer, ( const char* )PongMsg, PINGPONGSIZE ) == 0 ) |
GregCr | 1:22e02d1cfbca | 257 | { |
GregCr | 1:22e02d1cfbca | 258 | printf( "...Pong\r\n" ); |
GregCr | 1:22e02d1cfbca | 259 | memcpy( Buffer, PingMsg, PINGPONGSIZE ); |
GregCr | 1:22e02d1cfbca | 260 | Radio.SetDioIrqParams( TxIrqMask, TxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 261 | Radio.SendPayload( Buffer, BufferSize, (TX_TIMEOUT_VALUE)); |
GregCr | 1:22e02d1cfbca | 262 | } |
GregCr | 1:22e02d1cfbca | 263 | else if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, PINGPONGSIZE ) == 0 ) |
GregCr | 1:22e02d1cfbca | 264 | { |
GregCr | 1:22e02d1cfbca | 265 | // A master already exists then become a slave |
GregCr | 1:22e02d1cfbca | 266 | printf( "...Ping\r\n" ); |
GregCr | 1:22e02d1cfbca | 267 | isMaster = false; |
GregCr | 1:22e02d1cfbca | 268 | memcpy( Buffer, PongMsg, PINGPONGSIZE ); |
GregCr | 1:22e02d1cfbca | 269 | Radio.SetDioIrqParams( TxIrqMask, TxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 270 | Radio.SendPayload( Buffer, BufferSize, TX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 271 | } |
GregCr | 1:22e02d1cfbca | 272 | else // valid reception but neither a PING or a PONG message |
GregCr | 1:22e02d1cfbca | 273 | { // Set device as master ans start again |
GregCr | 1:22e02d1cfbca | 274 | isMaster = true; |
GregCr | 1:22e02d1cfbca | 275 | Radio.SetDioIrqParams( RxIrqMask, RxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 276 | Radio.SetRx(RX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 277 | } |
GregCr | 1:22e02d1cfbca | 278 | } |
GregCr | 1:22e02d1cfbca | 279 | } |
GregCr | 1:22e02d1cfbca | 280 | else |
GregCr | 1:22e02d1cfbca | 281 | { |
GregCr | 1:22e02d1cfbca | 282 | if( BufferSize > 0 ) |
GregCr | 1:22e02d1cfbca | 283 | { |
GregCr | 1:22e02d1cfbca | 284 | if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, PINGPONGSIZE ) == 0 ) |
GregCr | 1:22e02d1cfbca | 285 | { |
GregCr | 1:22e02d1cfbca | 286 | printf( "...Ping\r\n" ); |
GregCr | 1:22e02d1cfbca | 287 | memcpy( Buffer, PongMsg, 4 ); |
GregCr | 1:22e02d1cfbca | 288 | Radio.SetDioIrqParams( TxIrqMask, TxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 289 | Radio.SendPayload( Buffer, BufferSize, TX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 290 | } |
GregCr | 1:22e02d1cfbca | 291 | else // valid reception but not a PING as expected |
GregCr | 1:22e02d1cfbca | 292 | { |
GregCr | 1:22e02d1cfbca | 293 | isMaster = true; |
GregCr | 1:22e02d1cfbca | 294 | Radio.SetDioIrqParams( RxIrqMask, RxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 295 | Radio.SetRx(RX_TIMEOUT_VALUE); |
GregCr | 1:22e02d1cfbca | 296 | } |
GregCr | 1:22e02d1cfbca | 297 | } |
GregCr | 1:22e02d1cfbca | 298 | } |
GregCr | 1:22e02d1cfbca | 299 | break; |
GregCr | 1:22e02d1cfbca | 300 | |
GregCr | 1:22e02d1cfbca | 301 | case APP_TX: |
GregCr | 1:22e02d1cfbca | 302 | AppState = APP_LOWPOWER; |
GregCr | 1:22e02d1cfbca | 303 | TxLed = !TxLed; |
GregCr | 1:22e02d1cfbca | 304 | if( isMaster == true ) |
GregCr | 1:22e02d1cfbca | 305 | { |
GregCr | 1:22e02d1cfbca | 306 | printf( "Ping...\r\n" ); |
GregCr | 1:22e02d1cfbca | 307 | } |
GregCr | 1:22e02d1cfbca | 308 | else |
GregCr | 1:22e02d1cfbca | 309 | { |
GregCr | 1:22e02d1cfbca | 310 | printf( "Pong...\r\n" ); |
GregCr | 1:22e02d1cfbca | 311 | } |
GregCr | 1:22e02d1cfbca | 312 | Radio.SetDioIrqParams( RxIrqMask, RxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 313 | Radio.SetRx(RX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 314 | break; |
GregCr | 1:22e02d1cfbca | 315 | |
GregCr | 1:22e02d1cfbca | 316 | case APP_RX_TIMEOUT: |
GregCr | 1:22e02d1cfbca | 317 | AppState = APP_LOWPOWER; |
GregCr | 1:22e02d1cfbca | 318 | if( isMaster == true ) |
GregCr | 1:22e02d1cfbca | 319 | { |
GregCr | 1:22e02d1cfbca | 320 | // Send the next PING frame |
GregCr | 1:22e02d1cfbca | 321 | memcpy( Buffer, PingMsg, PINGPONGSIZE ); |
GregCr | 1:22e02d1cfbca | 322 | Radio.SetDioIrqParams( TxIrqMask, TxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 323 | Radio.SendPayload( Buffer, BufferSize, TX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 324 | } |
GregCr | 1:22e02d1cfbca | 325 | else |
GregCr | 1:22e02d1cfbca | 326 | { |
GregCr | 1:22e02d1cfbca | 327 | Radio.SetDioIrqParams( RxIrqMask, RxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 328 | Radio.SetRx( RX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 329 | } |
GregCr | 1:22e02d1cfbca | 330 | break; |
GregCr | 1:22e02d1cfbca | 331 | |
GregCr | 1:22e02d1cfbca | 332 | case APP_RX_ERROR: |
GregCr | 1:22e02d1cfbca | 333 | AppState = APP_LOWPOWER; |
GregCr | 1:22e02d1cfbca | 334 | // We have received a Packet with a CRC error, send reply as if packet was correct |
GregCr | 1:22e02d1cfbca | 335 | if( isMaster == true ) |
GregCr | 1:22e02d1cfbca | 336 | { |
GregCr | 1:22e02d1cfbca | 337 | // Send the next PING frame |
GregCr | 1:22e02d1cfbca | 338 | memcpy( Buffer, PingMsg, PINGPONGSIZE ); |
GregCr | 1:22e02d1cfbca | 339 | Radio.SetDioIrqParams( TxIrqMask, TxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 340 | Radio.SendPayload( Buffer, BufferSize, TX_TIMEOUT_VALUE); |
GregCr | 1:22e02d1cfbca | 341 | } |
GregCr | 1:22e02d1cfbca | 342 | else |
GregCr | 1:22e02d1cfbca | 343 | { |
GregCr | 1:22e02d1cfbca | 344 | // Send the next PONG frame |
GregCr | 1:22e02d1cfbca | 345 | memcpy( Buffer, PongMsg, PINGPONGSIZE ); |
GregCr | 1:22e02d1cfbca | 346 | Radio.SetDioIrqParams( TxIrqMask, TxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 347 | Radio.SendPayload( Buffer, BufferSize, TX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 348 | } |
GregCr | 1:22e02d1cfbca | 349 | break; |
GregCr | 1:22e02d1cfbca | 350 | |
GregCr | 1:22e02d1cfbca | 351 | case APP_TX_TIMEOUT: |
GregCr | 1:22e02d1cfbca | 352 | AppState = APP_LOWPOWER; |
GregCr | 1:22e02d1cfbca | 353 | Radio.SetDioIrqParams( RxIrqMask, RxIrqMask, IRQ_RADIO_NONE, IRQ_RADIO_NONE ); |
nimita23 | 3:c704345b0c9f | 354 | Radio.SetRx( RX_TIMEOUT_VALUE ); |
GregCr | 1:22e02d1cfbca | 355 | break; |
GregCr | 1:22e02d1cfbca | 356 | |
GregCr | 1:22e02d1cfbca | 357 | case APP_LOWPOWER: |
GregCr | 1:22e02d1cfbca | 358 | break; |
GregCr | 1:22e02d1cfbca | 359 | |
GregCr | 1:22e02d1cfbca | 360 | default: |
GregCr | 1:22e02d1cfbca | 361 | // Set low power |
GregCr | 1:22e02d1cfbca | 362 | break; |
GregCr | 1:22e02d1cfbca | 363 | } |
GregCr | 1:22e02d1cfbca | 364 | } |
GregCr | 1:22e02d1cfbca | 365 | } |
GregCr | 1:22e02d1cfbca | 366 | |
nimita23 | 4:99bfe3b61a6a | 367 | void OnTxDone( void ) { |
GregCr | 1:22e02d1cfbca | 368 | AppState = APP_TX; |
GregCr | 1:22e02d1cfbca | 369 | } |
GregCr | 1:22e02d1cfbca | 370 | |
nimita23 | 4:99bfe3b61a6a | 371 | void OnRxDone( void ) { |
nimita23 | 3:c704345b0c9f | 372 | AppState = APP_RX; |
nimita23 | 3:c704345b0c9f | 373 | PacketStatus_t packetStatus; |
GregCr | 1:22e02d1cfbca | 374 | Radio.GetPacketStatus(&packetStatus); |
nimita23 | 3:c704345b0c9f | 375 | RssiValue = packetStatus.Params.LoRa.RssiPkt; |
nimita23 | 3:c704345b0c9f | 376 | SnrValue = packetStatus.Params.LoRa.SnrPkt; |
GregCr | 1:22e02d1cfbca | 377 | printf("rssi: %d; snr: %d\n\r", RssiValue, SnrValue ); |
GregCr | 1:22e02d1cfbca | 378 | } |
GregCr | 1:22e02d1cfbca | 379 | |
nimita23 | 4:99bfe3b61a6a | 380 | void OnTxTimeout( void ) { |
GregCr | 1:22e02d1cfbca | 381 | AppState = APP_TX_TIMEOUT; |
GregCr | 1:22e02d1cfbca | 382 | printf( "<>>>>>>>>TXE\r\n" ); |
GregCr | 1:22e02d1cfbca | 383 | } |
GregCr | 1:22e02d1cfbca | 384 | |
nimita23 | 4:99bfe3b61a6a | 385 | void OnRxTimeout( void ) { |
GregCr | 1:22e02d1cfbca | 386 | AppState = APP_RX_TIMEOUT; |
GregCr | 1:22e02d1cfbca | 387 | } |
GregCr | 1:22e02d1cfbca | 388 | |
nimita23 | 4:99bfe3b61a6a | 389 | void OnRxError( IrqErrorCode_t errorCode ) { |
GregCr | 1:22e02d1cfbca | 390 | AppState = APP_RX_ERROR; |
GregCr | 1:22e02d1cfbca | 391 | printf( "RXE<>>>>>>>>\r\n" ); |
GregCr | 1:22e02d1cfbca | 392 | } |
nimita23 | 4:99bfe3b61a6a | 393 | |
nimita23 | 4:99bfe3b61a6a | 394 | void OnCadDone( bool channelActivityDetected ) { |
nimita23 | 4:99bfe3b61a6a | 395 | } |
nimita23 | 4:99bfe3b61a6a | 396 | |
GregCr | 1:22e02d1cfbca | 397 | |
nimita23 | 4:99bfe3b61a6a | 398 | void parser() { |
nimita23 | 4:99bfe3b61a6a | 399 | printf("%s\n\r", serial_buffer); |
nimita23 | 4:99bfe3b61a6a | 400 | char command[10]; |
nimita23 | 4:99bfe3b61a6a | 401 | unsigned long val; |
nimita23 | 4:99bfe3b61a6a | 402 | if(sscanf(serial_buffer, "%10s %lu", command, &val) != 2){ |
nimita23 | 4:99bfe3b61a6a | 403 | printf("Invalid Input\n\r"); |
nimita23 | 4:99bfe3b61a6a | 404 | return; |
nimita23 | 4:99bfe3b61a6a | 405 | } |
nimita23 | 4:99bfe3b61a6a | 406 | if(strcmp(command, "FREQ") == 0) { |
nimita23 | 4:99bfe3b61a6a | 407 | if((125000000<=val) && (val<=960000000)) { |
nimita23 | 4:99bfe3b61a6a | 408 | RF_FREQUENCY = val; |
nimita23 | 4:99bfe3b61a6a | 409 | printf("Frequency set to: %lu\n\r", val); |
nimita23 | 4:99bfe3b61a6a | 410 | LoRa_init(); |
nimita23 | 4:99bfe3b61a6a | 411 | |
nimita23 | 4:99bfe3b61a6a | 412 | } |
nimita23 | 4:99bfe3b61a6a | 413 | } |
nimita23 | 4:99bfe3b61a6a | 414 | else |
nimita23 | 4:99bfe3b61a6a | 415 | printf("Invalid command\n\r"); |
nimita23 | 4:99bfe3b61a6a | 416 | |
nimita23 | 4:99bfe3b61a6a | 417 | |
GregCr | 1:22e02d1cfbca | 418 | } |