Joltik
/
SX1276PingPong_mbed2
ping pong for packet loss
main.cpp@20:d29e04f0a066, 2020-07-02 (annotated)
- Committer:
- amolkulk
- Date:
- Thu Jul 02 16:01:18 2020 +0000
- Revision:
- 20:d29e04f0a066
- Parent:
- 19:29a983e47ef3
Packet Loss bug solved: Rx timeout needs to be reset in the slave node after sending pong response
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
GregCr | 0:1ed39951ab7b | 1 | #include "mbed.h" |
GregCr | 4:5ece30264cd9 | 2 | #include "main.h" |
GregCr | 14:c7251480feb9 | 3 | #include "sx1276-hal.h" |
GregCr | 0:1ed39951ab7b | 4 | |
GregCr | 0:1ed39951ab7b | 5 | /* Set this flag to '1' to display debug messages on the console */ |
mluis | 15:8b35dd7c1436 | 6 | #define DEBUG_MESSAGE 1 |
GregCr | 0:1ed39951ab7b | 7 | |
GregCr | 0:1ed39951ab7b | 8 | /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */ |
GregCr | 5:f2431c4fe3bb | 9 | #define USE_MODEM_LORA 1 |
GregCr | 0:1ed39951ab7b | 10 | #define USE_MODEM_FSK !USE_MODEM_LORA |
GregCr | 0:1ed39951ab7b | 11 | |
GregCr | 5:f2431c4fe3bb | 12 | #define RF_FREQUENCY 868000000 // Hz |
GregCr | 0:1ed39951ab7b | 13 | #define TX_OUTPUT_POWER 14 // 14 dBm |
GregCr | 0:1ed39951ab7b | 14 | |
GregCr | 0:1ed39951ab7b | 15 | #if USE_MODEM_LORA == 1 |
GregCr | 0:1ed39951ab7b | 16 | |
GregCr | 1:126d70d374f6 | 17 | #define LORA_BANDWIDTH 2 // [0: 125 kHz, |
GregCr | 0:1ed39951ab7b | 18 | // 1: 250 kHz, |
GregCr | 0:1ed39951ab7b | 19 | // 2: 500 kHz, |
GregCr | 0:1ed39951ab7b | 20 | // 3: Reserved] |
GregCr | 0:1ed39951ab7b | 21 | #define LORA_SPREADING_FACTOR 7 // [SF7..SF12] |
GregCr | 0:1ed39951ab7b | 22 | #define LORA_CODINGRATE 1 // [1: 4/5, |
GregCr | 0:1ed39951ab7b | 23 | // 2: 4/6, |
GregCr | 0:1ed39951ab7b | 24 | // 3: 4/7, |
GregCr | 0:1ed39951ab7b | 25 | // 4: 4/8] |
GregCr | 0:1ed39951ab7b | 26 | #define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx |
GregCr | 0:1ed39951ab7b | 27 | #define LORA_SYMBOL_TIMEOUT 5 // Symbols |
GregCr | 0:1ed39951ab7b | 28 | #define LORA_FIX_LENGTH_PAYLOAD_ON false |
GregCr | 3:8b9e2a4df4b5 | 29 | #define LORA_FHSS_ENABLED false |
GregCr | 3:8b9e2a4df4b5 | 30 | #define LORA_NB_SYMB_HOP 4 |
GregCr | 0:1ed39951ab7b | 31 | #define LORA_IQ_INVERSION_ON false |
GregCr | 3:8b9e2a4df4b5 | 32 | #define LORA_CRC_ENABLED true |
mluis | 15:8b35dd7c1436 | 33 | |
GregCr | 0:1ed39951ab7b | 34 | #elif USE_MODEM_FSK == 1 |
GregCr | 0:1ed39951ab7b | 35 | |
GregCr | 2:59e108728d71 | 36 | #define FSK_FDEV 25000 // Hz |
GregCr | 2:59e108728d71 | 37 | #define FSK_DATARATE 19200 // bps |
GregCr | 2:59e108728d71 | 38 | #define FSK_BANDWIDTH 50000 // Hz |
GregCr | 2:59e108728d71 | 39 | #define FSK_AFC_BANDWIDTH 83333 // Hz |
GregCr | 0:1ed39951ab7b | 40 | #define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx |
GregCr | 0:1ed39951ab7b | 41 | #define FSK_FIX_LENGTH_PAYLOAD_ON false |
GregCr | 3:8b9e2a4df4b5 | 42 | #define FSK_CRC_ENABLED true |
mluis | 15:8b35dd7c1436 | 43 | |
GregCr | 0:1ed39951ab7b | 44 | #else |
GregCr | 0:1ed39951ab7b | 45 | #error "Please define a modem in the compiler options." |
GregCr | 0:1ed39951ab7b | 46 | #endif |
GregCr | 0:1ed39951ab7b | 47 | |
mluis | 15:8b35dd7c1436 | 48 | #define RX_TIMEOUT_VALUE 3500 // in ms |
GregCr | 0:1ed39951ab7b | 49 | #define BUFFER_SIZE 32 // Define the payload size here |
GregCr | 0:1ed39951ab7b | 50 | |
amolkulk | 20:d29e04f0a066 | 51 | #define SEC_TO_MSEC (1000) |
GregCr | 8:f956dee63a56 | 52 | #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) ) |
mluis | 15:8b35dd7c1436 | 53 | DigitalOut led( LED2 ); |
GregCr | 3:8b9e2a4df4b5 | 54 | #else |
mluis | 15:8b35dd7c1436 | 55 | DigitalOut led( LED1 ); |
GregCr | 3:8b9e2a4df4b5 | 56 | #endif |
GregCr | 3:8b9e2a4df4b5 | 57 | |
GregCr | 0:1ed39951ab7b | 58 | /* |
GregCr | 0:1ed39951ab7b | 59 | * Global variables declarations |
GregCr | 0:1ed39951ab7b | 60 | */ |
mluis | 10:7af820d1e1df | 61 | typedef enum |
mluis | 10:7af820d1e1df | 62 | { |
mluis | 10:7af820d1e1df | 63 | LOWPOWER = 0, |
mluis | 10:7af820d1e1df | 64 | IDLE, |
mluis | 15:8b35dd7c1436 | 65 | |
mluis | 10:7af820d1e1df | 66 | RX, |
mluis | 10:7af820d1e1df | 67 | RX_TIMEOUT, |
mluis | 10:7af820d1e1df | 68 | RX_ERROR, |
mluis | 15:8b35dd7c1436 | 69 | |
mluis | 10:7af820d1e1df | 70 | TX, |
mluis | 10:7af820d1e1df | 71 | TX_TIMEOUT, |
mluis | 15:8b35dd7c1436 | 72 | |
mluis | 10:7af820d1e1df | 73 | CAD, |
mluis | 10:7af820d1e1df | 74 | CAD_DONE |
mluis | 10:7af820d1e1df | 75 | }AppStates_t; |
GregCr | 0:1ed39951ab7b | 76 | |
mluis | 10:7af820d1e1df | 77 | volatile AppStates_t State = LOWPOWER; |
mluis | 10:7af820d1e1df | 78 | |
mluis | 10:7af820d1e1df | 79 | /*! |
mluis | 10:7af820d1e1df | 80 | * Radio events function pointer |
mluis | 10:7af820d1e1df | 81 | */ |
mluis | 10:7af820d1e1df | 82 | static RadioEvents_t RadioEvents; |
mluis | 10:7af820d1e1df | 83 | |
amolkulk | 17:d1f4fd109257 | 84 | RawSerial pc(USBTX, USBRX); |
mluis | 10:7af820d1e1df | 85 | /* |
mluis | 10:7af820d1e1df | 86 | * Global variables declarations |
mluis | 10:7af820d1e1df | 87 | */ |
GregCr | 14:c7251480feb9 | 88 | SX1276MB1xAS Radio( NULL ); |
GregCr | 0:1ed39951ab7b | 89 | |
GregCr | 0:1ed39951ab7b | 90 | const uint8_t PingMsg[] = "PING"; |
GregCr | 0:1ed39951ab7b | 91 | const uint8_t PongMsg[] = "PONG"; |
GregCr | 0:1ed39951ab7b | 92 | |
GregCr | 0:1ed39951ab7b | 93 | uint16_t BufferSize = BUFFER_SIZE; |
GregCr | 0:1ed39951ab7b | 94 | uint8_t Buffer[BUFFER_SIZE]; |
GregCr | 0:1ed39951ab7b | 95 | |
GregCr | 5:f2431c4fe3bb | 96 | int16_t RssiValue = 0.0; |
GregCr | 5:f2431c4fe3bb | 97 | int8_t SnrValue = 0.0; |
GregCr | 0:1ed39951ab7b | 98 | |
mluis | 15:8b35dd7c1436 | 99 | int main( void ) |
GregCr | 0:1ed39951ab7b | 100 | { |
GregCr | 0:1ed39951ab7b | 101 | uint8_t i; |
GregCr | 0:1ed39951ab7b | 102 | bool isMaster = true; |
amolkulk | 17:d1f4fd109257 | 103 | uint32_t rx_count = 0; |
amolkulk | 17:d1f4fd109257 | 104 | uint32_t tx_count = 0; |
mluis | 15:8b35dd7c1436 | 105 | |
amolkulk | 17:d1f4fd109257 | 106 | while(1){ |
amolkulk | 17:d1f4fd109257 | 107 | debug("Press 1 to start, isMaster(%d)\r\n", isMaster); |
amolkulk | 17:d1f4fd109257 | 108 | char c = pc.getc(); |
amolkulk | 17:d1f4fd109257 | 109 | if(c == '1'){ |
amolkulk | 17:d1f4fd109257 | 110 | break; |
amolkulk | 17:d1f4fd109257 | 111 | } |
amolkulk | 17:d1f4fd109257 | 112 | } |
GregCr | 14:c7251480feb9 | 113 | debug( "\n\n\r SX1276 Ping Pong Demo Application \n\n\r" ); |
mluis | 10:7af820d1e1df | 114 | |
mluis | 10:7af820d1e1df | 115 | // Initialize Radio driver |
mluis | 10:7af820d1e1df | 116 | RadioEvents.TxDone = OnTxDone; |
mluis | 10:7af820d1e1df | 117 | RadioEvents.RxDone = OnRxDone; |
mluis | 10:7af820d1e1df | 118 | RadioEvents.RxError = OnRxError; |
mluis | 10:7af820d1e1df | 119 | RadioEvents.TxTimeout = OnTxTimeout; |
mluis | 10:7af820d1e1df | 120 | RadioEvents.RxTimeout = OnRxTimeout; |
mluis | 10:7af820d1e1df | 121 | Radio.Init( &RadioEvents ); |
mluis | 15:8b35dd7c1436 | 122 | |
amolkulk | 19:29a983e47ef3 | 123 | // verify the connection with the board |
GregCr | 7:c1bbd6c56979 | 124 | while( Radio.Read( REG_VERSION ) == 0x00 ) |
GregCr | 2:59e108728d71 | 125 | { |
GregCr | 7:c1bbd6c56979 | 126 | debug( "Radio could not be detected!\n\r", NULL ); |
GregCr | 7:c1bbd6c56979 | 127 | wait( 1 ); |
GregCr | 2:59e108728d71 | 128 | } |
mluis | 15:8b35dd7c1436 | 129 | |
mluis | 15:8b35dd7c1436 | 130 | debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1LAS ) ), "\n\r > Board Type: SX1276MB1LAS < \n\r" ); |
mluis | 15:8b35dd7c1436 | 131 | debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1MAS ) ), "\n\r > Board Type: SX1276MB1MAS < \n\r" ); |
mluis | 15:8b35dd7c1436 | 132 | |
GregCr | 0:1ed39951ab7b | 133 | Radio.SetChannel( RF_FREQUENCY ); |
GregCr | 0:1ed39951ab7b | 134 | |
GregCr | 0:1ed39951ab7b | 135 | #if USE_MODEM_LORA == 1 |
mluis | 15:8b35dd7c1436 | 136 | |
mluis | 15:8b35dd7c1436 | 137 | debug_if( LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r" ); |
mluis | 15:8b35dd7c1436 | 138 | debug_if( !LORA_FHSS_ENABLED, "\n\n\r > LORA Mode < \n\n\r" ); |
GregCr | 7:c1bbd6c56979 | 139 | |
GregCr | 0:1ed39951ab7b | 140 | Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH, |
GregCr | 0:1ed39951ab7b | 141 | LORA_SPREADING_FACTOR, LORA_CODINGRATE, |
GregCr | 0:1ed39951ab7b | 142 | LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON, |
mluis | 15:8b35dd7c1436 | 143 | LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, |
mluis | 15:8b35dd7c1436 | 144 | LORA_IQ_INVERSION_ON, 2000 ); |
mluis | 15:8b35dd7c1436 | 145 | |
GregCr | 0:1ed39951ab7b | 146 | Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR, |
GregCr | 0:1ed39951ab7b | 147 | LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH, |
mluis | 9:e764990e45df | 148 | LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0, |
mluis | 15:8b35dd7c1436 | 149 | LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, |
GregCr | 3:8b9e2a4df4b5 | 150 | LORA_IQ_INVERSION_ON, true ); |
mluis | 15:8b35dd7c1436 | 151 | |
GregCr | 0:1ed39951ab7b | 152 | #elif USE_MODEM_FSK == 1 |
GregCr | 0:1ed39951ab7b | 153 | |
mluis | 15:8b35dd7c1436 | 154 | debug("\n\n\r > FSK Mode < \n\n\r" ); |
GregCr | 0:1ed39951ab7b | 155 | Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0, |
GregCr | 0:1ed39951ab7b | 156 | FSK_DATARATE, 0, |
GregCr | 0:1ed39951ab7b | 157 | FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON, |
mluis | 15:8b35dd7c1436 | 158 | FSK_CRC_ENABLED, 0, 0, 0, 2000 ); |
mluis | 15:8b35dd7c1436 | 159 | |
GregCr | 0:1ed39951ab7b | 160 | Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE, |
GregCr | 0:1ed39951ab7b | 161 | 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH, |
mluis | 9:e764990e45df | 162 | 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED, |
GregCr | 3:8b9e2a4df4b5 | 163 | 0, 0, false, true ); |
mluis | 15:8b35dd7c1436 | 164 | |
GregCr | 0:1ed39951ab7b | 165 | #else |
GregCr | 0:1ed39951ab7b | 166 | |
GregCr | 0:1ed39951ab7b | 167 | #error "Please define a modem in the compiler options." |
GregCr | 0:1ed39951ab7b | 168 | |
GregCr | 0:1ed39951ab7b | 169 | #endif |
mluis | 15:8b35dd7c1436 | 170 | |
mluis | 15:8b35dd7c1436 | 171 | debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" ); |
mluis | 15:8b35dd7c1436 | 172 | |
GregCr | 3:8b9e2a4df4b5 | 173 | led = 0; |
mluis | 15:8b35dd7c1436 | 174 | |
GregCr | 0:1ed39951ab7b | 175 | Radio.Rx( RX_TIMEOUT_VALUE ); |
amolkulk | 18:087e69df22a0 | 176 | |
GregCr | 0:1ed39951ab7b | 177 | while( 1 ) |
GregCr | 0:1ed39951ab7b | 178 | { |
amolkulk | 20:d29e04f0a066 | 179 | debug("Is master %d, app state %d, radio state %d \r\n", isMaster, State, Radio.GetStatus()); |
amolkulk | 20:d29e04f0a066 | 180 | if(tx_count >= 100 && isMaster){ |
amolkulk | 18:087e69df22a0 | 181 | debug("Sent 10 packets\r\n"); |
amolkulk | 17:d1f4fd109257 | 182 | debug("Got %d replies\r\n", rx_count); |
amolkulk | 20:d29e04f0a066 | 183 | //Radio.Sleep(); |
amolkulk | 20:d29e04f0a066 | 184 | wait_ms(10 * SEC_TO_MSEC); |
amolkulk | 20:d29e04f0a066 | 185 | tx_count = 0; |
amolkulk | 20:d29e04f0a066 | 186 | rx_count = 0; |
amolkulk | 20:d29e04f0a066 | 187 | //break; |
amolkulk | 17:d1f4fd109257 | 188 | } |
GregCr | 0:1ed39951ab7b | 189 | switch( State ) |
GregCr | 0:1ed39951ab7b | 190 | { |
GregCr | 0:1ed39951ab7b | 191 | case RX: |
amolkulk | 17:d1f4fd109257 | 192 | rx_count++; |
GregCr | 0:1ed39951ab7b | 193 | if( isMaster == true ) |
GregCr | 0:1ed39951ab7b | 194 | { |
GregCr | 0:1ed39951ab7b | 195 | if( BufferSize > 0 ) |
GregCr | 0:1ed39951ab7b | 196 | { |
GregCr | 0:1ed39951ab7b | 197 | if( strncmp( ( const char* )Buffer, ( const char* )PongMsg, 4 ) == 0 ) |
GregCr | 0:1ed39951ab7b | 198 | { |
GregCr | 3:8b9e2a4df4b5 | 199 | led = !led; |
amolkulk | 17:d1f4fd109257 | 200 | debug( "...Pong received \r\n" ); |
mluis | 15:8b35dd7c1436 | 201 | // Send the next PING frame |
GregCr | 7:c1bbd6c56979 | 202 | strcpy( ( char* )Buffer, ( char* )PingMsg ); |
mluis | 15:8b35dd7c1436 | 203 | // We fill the buffer with numbers for the payload |
GregCr | 0:1ed39951ab7b | 204 | for( i = 4; i < BufferSize; i++ ) |
GregCr | 0:1ed39951ab7b | 205 | { |
GregCr | 0:1ed39951ab7b | 206 | Buffer[i] = i - 4; |
GregCr | 0:1ed39951ab7b | 207 | } |
mluis | 15:8b35dd7c1436 | 208 | wait_ms( 10 ); |
GregCr | 0:1ed39951ab7b | 209 | Radio.Send( Buffer, BufferSize ); |
amolkulk | 17:d1f4fd109257 | 210 | tx_count++; |
GregCr | 0:1ed39951ab7b | 211 | } |
GregCr | 2:59e108728d71 | 212 | else if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 ) |
GregCr | 0:1ed39951ab7b | 213 | { // A master already exists then become a slave |
amolkulk | 17:d1f4fd109257 | 214 | debug( "...Ping received\r\n" ); |
GregCr | 3:8b9e2a4df4b5 | 215 | led = !led; |
GregCr | 0:1ed39951ab7b | 216 | isMaster = false; |
mluis | 15:8b35dd7c1436 | 217 | // Send the next PONG frame |
GregCr | 7:c1bbd6c56979 | 218 | strcpy( ( char* )Buffer, ( char* )PongMsg ); |
mluis | 15:8b35dd7c1436 | 219 | // We fill the buffer with numbers for the payload |
GregCr | 2:59e108728d71 | 220 | for( i = 4; i < BufferSize; i++ ) |
GregCr | 2:59e108728d71 | 221 | { |
GregCr | 2:59e108728d71 | 222 | Buffer[i] = i - 4; |
GregCr | 2:59e108728d71 | 223 | } |
mluis | 15:8b35dd7c1436 | 224 | wait_ms( 10 ); |
GregCr | 2:59e108728d71 | 225 | Radio.Send( Buffer, BufferSize ); |
amolkulk | 17:d1f4fd109257 | 226 | tx_count++; |
amolkulk | 20:d29e04f0a066 | 227 | |
GregCr | 2:59e108728d71 | 228 | } |
GregCr | 2:59e108728d71 | 229 | else // valid reception but neither a PING or a PONG message |
GregCr | 2:59e108728d71 | 230 | { // Set device as master ans start again |
GregCr | 2:59e108728d71 | 231 | isMaster = true; |
GregCr | 0:1ed39951ab7b | 232 | Radio.Rx( RX_TIMEOUT_VALUE ); |
mluis | 15:8b35dd7c1436 | 233 | } |
GregCr | 0:1ed39951ab7b | 234 | } |
GregCr | 0:1ed39951ab7b | 235 | } |
amolkulk | 17:d1f4fd109257 | 236 | else //slave |
GregCr | 0:1ed39951ab7b | 237 | { |
GregCr | 0:1ed39951ab7b | 238 | if( BufferSize > 0 ) |
GregCr | 0:1ed39951ab7b | 239 | { |
GregCr | 0:1ed39951ab7b | 240 | if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 ) |
GregCr | 0:1ed39951ab7b | 241 | { |
GregCr | 3:8b9e2a4df4b5 | 242 | led = !led; |
GregCr | 2:59e108728d71 | 243 | debug( "...Ping\r\n" ); |
GregCr | 2:59e108728d71 | 244 | // Send the reply to the PING string |
GregCr | 7:c1bbd6c56979 | 245 | strcpy( ( char* )Buffer, ( char* )PongMsg ); |
mluis | 15:8b35dd7c1436 | 246 | // We fill the buffer with numbers for the payload |
GregCr | 0:1ed39951ab7b | 247 | for( i = 4; i < BufferSize; i++ ) |
GregCr | 0:1ed39951ab7b | 248 | { |
GregCr | 0:1ed39951ab7b | 249 | Buffer[i] = i - 4; |
GregCr | 0:1ed39951ab7b | 250 | } |
mluis | 15:8b35dd7c1436 | 251 | wait_ms( 10 ); |
GregCr | 0:1ed39951ab7b | 252 | Radio.Send( Buffer, BufferSize ); |
amolkulk | 20:d29e04f0a066 | 253 | debug("sent pong messages\r\n"); |
amolkulk | 20:d29e04f0a066 | 254 | Radio.Rx( RX_TIMEOUT_VALUE ); |
amolkulk | 17:d1f4fd109257 | 255 | tx_count++; |
GregCr | 0:1ed39951ab7b | 256 | } |
GregCr | 2:59e108728d71 | 257 | else // valid reception but not a PING as expected |
GregCr | 2:59e108728d71 | 258 | { // Set device as master and start again |
GregCr | 2:59e108728d71 | 259 | isMaster = true; |
GregCr | 2:59e108728d71 | 260 | Radio.Rx( RX_TIMEOUT_VALUE ); |
mluis | 15:8b35dd7c1436 | 261 | } |
GregCr | 0:1ed39951ab7b | 262 | } |
GregCr | 0:1ed39951ab7b | 263 | } |
GregCr | 0:1ed39951ab7b | 264 | State = LOWPOWER; |
GregCr | 0:1ed39951ab7b | 265 | break; |
mluis | 15:8b35dd7c1436 | 266 | case TX: |
mluis | 15:8b35dd7c1436 | 267 | led = !led; |
GregCr | 2:59e108728d71 | 268 | if( isMaster == true ) |
GregCr | 0:1ed39951ab7b | 269 | { |
amolkulk | 17:d1f4fd109257 | 270 | //debug( "Ping...\r\n" ); |
GregCr | 0:1ed39951ab7b | 271 | } |
GregCr | 0:1ed39951ab7b | 272 | else |
GregCr | 0:1ed39951ab7b | 273 | { |
amolkulk | 17:d1f4fd109257 | 274 | //debug( "Pong...\r\n" ); |
GregCr | 0:1ed39951ab7b | 275 | } |
GregCr | 0:1ed39951ab7b | 276 | Radio.Rx( RX_TIMEOUT_VALUE ); |
GregCr | 0:1ed39951ab7b | 277 | State = LOWPOWER; |
GregCr | 0:1ed39951ab7b | 278 | break; |
GregCr | 0:1ed39951ab7b | 279 | case RX_TIMEOUT: |
GregCr | 0:1ed39951ab7b | 280 | if( isMaster == true ) |
GregCr | 0:1ed39951ab7b | 281 | { |
amolkulk | 18:087e69df22a0 | 282 | debug("RA_TImout... sending ping\r\n"); |
GregCr | 0:1ed39951ab7b | 283 | // Send the next PING frame |
GregCr | 7:c1bbd6c56979 | 284 | strcpy( ( char* )Buffer, ( char* )PingMsg ); |
GregCr | 0:1ed39951ab7b | 285 | for( i = 4; i < BufferSize; i++ ) |
GregCr | 0:1ed39951ab7b | 286 | { |
GregCr | 0:1ed39951ab7b | 287 | Buffer[i] = i - 4; |
GregCr | 0:1ed39951ab7b | 288 | } |
mluis | 15:8b35dd7c1436 | 289 | wait_ms( 10 ); |
GregCr | 0:1ed39951ab7b | 290 | Radio.Send( Buffer, BufferSize ); |
amolkulk | 17:d1f4fd109257 | 291 | tx_count++; |
GregCr | 0:1ed39951ab7b | 292 | } |
GregCr | 0:1ed39951ab7b | 293 | else |
GregCr | 0:1ed39951ab7b | 294 | { |
amolkulk | 17:d1f4fd109257 | 295 | debug("Master(%d): waiting for a ping\r\n", isMaster); |
mluis | 15:8b35dd7c1436 | 296 | Radio.Rx( RX_TIMEOUT_VALUE ); |
mluis | 15:8b35dd7c1436 | 297 | } |
GregCr | 0:1ed39951ab7b | 298 | State = LOWPOWER; |
GregCr | 0:1ed39951ab7b | 299 | break; |
GregCr | 0:1ed39951ab7b | 300 | case RX_ERROR: |
amolkulk | 17:d1f4fd109257 | 301 | debug("RX_ERROR\r\n"); |
GregCr | 7:c1bbd6c56979 | 302 | // We have received a Packet with a CRC error, send reply as if packet was correct |
GregCr | 0:1ed39951ab7b | 303 | if( isMaster == true ) |
GregCr | 0:1ed39951ab7b | 304 | { |
GregCr | 0:1ed39951ab7b | 305 | // Send the next PING frame |
GregCr | 7:c1bbd6c56979 | 306 | strcpy( ( char* )Buffer, ( char* )PingMsg ); |
GregCr | 0:1ed39951ab7b | 307 | for( i = 4; i < BufferSize; i++ ) |
GregCr | 0:1ed39951ab7b | 308 | { |
GregCr | 0:1ed39951ab7b | 309 | Buffer[i] = i - 4; |
GregCr | 0:1ed39951ab7b | 310 | } |
mluis | 15:8b35dd7c1436 | 311 | wait_ms( 10 ); |
GregCr | 0:1ed39951ab7b | 312 | Radio.Send( Buffer, BufferSize ); |
GregCr | 0:1ed39951ab7b | 313 | } |
GregCr | 0:1ed39951ab7b | 314 | else |
GregCr | 0:1ed39951ab7b | 315 | { |
GregCr | 2:59e108728d71 | 316 | // Send the next PONG frame |
GregCr | 7:c1bbd6c56979 | 317 | strcpy( ( char* )Buffer, ( char* )PongMsg ); |
GregCr | 2:59e108728d71 | 318 | for( i = 4; i < BufferSize; i++ ) |
GregCr | 2:59e108728d71 | 319 | { |
GregCr | 2:59e108728d71 | 320 | Buffer[i] = i - 4; |
GregCr | 2:59e108728d71 | 321 | } |
mluis | 15:8b35dd7c1436 | 322 | wait_ms( 10 ); |
GregCr | 2:59e108728d71 | 323 | Radio.Send( Buffer, BufferSize ); |
GregCr | 0:1ed39951ab7b | 324 | } |
GregCr | 0:1ed39951ab7b | 325 | State = LOWPOWER; |
GregCr | 0:1ed39951ab7b | 326 | break; |
GregCr | 0:1ed39951ab7b | 327 | case TX_TIMEOUT: |
GregCr | 0:1ed39951ab7b | 328 | Radio.Rx( RX_TIMEOUT_VALUE ); |
GregCr | 0:1ed39951ab7b | 329 | State = LOWPOWER; |
GregCr | 0:1ed39951ab7b | 330 | break; |
GregCr | 0:1ed39951ab7b | 331 | case LOWPOWER: |
amolkulk | 17:d1f4fd109257 | 332 | wait_ms(1000); |
GregCr | 0:1ed39951ab7b | 333 | break; |
GregCr | 0:1ed39951ab7b | 334 | default: |
GregCr | 0:1ed39951ab7b | 335 | State = LOWPOWER; |
GregCr | 0:1ed39951ab7b | 336 | break; |
mluis | 15:8b35dd7c1436 | 337 | } |
GregCr | 0:1ed39951ab7b | 338 | } |
GregCr | 0:1ed39951ab7b | 339 | } |
GregCr | 0:1ed39951ab7b | 340 | |
GregCr | 0:1ed39951ab7b | 341 | void OnTxDone( void ) |
GregCr | 0:1ed39951ab7b | 342 | { |
GregCr | 5:f2431c4fe3bb | 343 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 344 | State = TX; |
amolkulk | 17:d1f4fd109257 | 345 | //debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" ); |
GregCr | 0:1ed39951ab7b | 346 | } |
GregCr | 0:1ed39951ab7b | 347 | |
mluis | 15:8b35dd7c1436 | 348 | void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr ) |
GregCr | 0:1ed39951ab7b | 349 | { |
GregCr | 0:1ed39951ab7b | 350 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 351 | BufferSize = size; |
GregCr | 0:1ed39951ab7b | 352 | memcpy( Buffer, payload, BufferSize ); |
GregCr | 0:1ed39951ab7b | 353 | RssiValue = rssi; |
GregCr | 0:1ed39951ab7b | 354 | SnrValue = snr; |
GregCr | 0:1ed39951ab7b | 355 | State = RX; |
amolkulk | 17:d1f4fd109257 | 356 | //debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" ); |
GregCr | 0:1ed39951ab7b | 357 | } |
GregCr | 0:1ed39951ab7b | 358 | |
GregCr | 0:1ed39951ab7b | 359 | void OnTxTimeout( void ) |
GregCr | 0:1ed39951ab7b | 360 | { |
GregCr | 0:1ed39951ab7b | 361 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 362 | State = TX_TIMEOUT; |
amolkulk | 17:d1f4fd109257 | 363 | //debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" ); |
GregCr | 0:1ed39951ab7b | 364 | } |
GregCr | 0:1ed39951ab7b | 365 | |
GregCr | 0:1ed39951ab7b | 366 | void OnRxTimeout( void ) |
GregCr | 0:1ed39951ab7b | 367 | { |
GregCr | 0:1ed39951ab7b | 368 | Radio.Sleep( ); |
mluis | 15:8b35dd7c1436 | 369 | Buffer[BufferSize] = 0; |
GregCr | 0:1ed39951ab7b | 370 | State = RX_TIMEOUT; |
amolkulk | 17:d1f4fd109257 | 371 | //debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" ); |
GregCr | 0:1ed39951ab7b | 372 | } |
GregCr | 0:1ed39951ab7b | 373 | |
GregCr | 0:1ed39951ab7b | 374 | void OnRxError( void ) |
GregCr | 0:1ed39951ab7b | 375 | { |
GregCr | 0:1ed39951ab7b | 376 | Radio.Sleep( ); |
GregCr | 0:1ed39951ab7b | 377 | State = RX_ERROR; |
amolkulk | 17:d1f4fd109257 | 378 | //debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" ); |
GregCr | 0:1ed39951ab7b | 379 | } |