Antoine Boisadam
/
SX1272-Receiver
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SX1272PingPong
by 
Semtech
Revision 15:dc867bef95d9, committed 2017-03-13
- Comitter:
- Antoine38
- Date:
- Mon Mar 13 09:54:09 2017 +0000
- Parent:
- 14:6c312f8635fe
- Child:
- 16:263c47d59beb
- Commit message:
- On affiche dor?navant le contenu du buffer ? chaque reception
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Mon Mar 13 09:35:55 2017 +0000
+++ b/main.cpp Mon Mar 13 09:54:09 2017 +0000
@@ -8,20 +8,19 @@
#define RF_FREQUENCY 868000000 // Hz
-#define TX_OUTPUT_POWER 14 // 14 dBm
#define LORA_BANDWIDTH 2 // [0: 125 kHz,
- // 1: 250 kHz,
- // 2: 500 kHz,
- // 3: Reserved]
-
+// 1: 250 kHz,
+// 2: 500 kHz,
+// 3: Reserved]
+
#define LORA_SPREADING_FACTOR 7 // [SF7..SF12]
#define LORA_CODINGRATE 1 // [1: 4/5,
- // 2: 4/6,
- // 3: 4/7,
- // 4: 4/8]
-
-#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
+// 2: 4/6,
+// 3: 4/7,
+// 4: 4/8]
+
+#define LORA_PREAMBLE_LENGTH 8
#define LORA_SYMBOL_TIMEOUT 5 // Symbols
#define LORA_FIX_LENGTH_PAYLOAD_ON false
#define LORA_FHSS_ENABLED false
@@ -45,9 +44,6 @@
RX_TIMEOUT,
RX_ERROR,
- TX,
- TX_TIMEOUT,
-
CAD,
CAD_DONE
} AppStates_t;
@@ -64,9 +60,6 @@
*/
SX1272MB2xAS Radio( NULL );
-const uint8_t PingMsg[] = "PING";
-const uint8_t PongMsg[] = "PONG";
-
uint16_t BufferSize = BUFFER_SIZE;
uint8_t Buffer[BUFFER_SIZE];
@@ -80,10 +73,8 @@
debug( "\n\n\r iGreenhouse Application \n\n\r" );
// Initialize Radio driver
- RadioEvents.TxDone = OnTxDone;
RadioEvents.RxDone = OnRxDone;
RadioEvents.RxError = OnRxError;
- RadioEvents.TxTimeout = OnTxTimeout;
RadioEvents.RxTimeout = OnRxTimeout;
Radio.Init( &RadioEvents );
@@ -101,12 +92,6 @@
debug_if( LORA_FHSS_ENABLED, "\n\n\r > LORA FHSS Mode < \n\n\r");
debug_if( !LORA_FHSS_ENABLED, "\n\n\r > LORA Mode < \n\n\r");
- Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
- LORA_SPREADING_FACTOR, LORA_CODINGRATE,
- LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
- LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
- LORA_IQ_INVERSION_ON, 2000000 );
-
Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
@@ -123,49 +108,24 @@
while( 1 ) {
switch( State ) {
case RX:
- if( BufferSize > 0 ) {
- if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 ) {
- led = !led;
- debug( "...Ping\r\n" );
- // Send the reply to the PING string
- strcpy( ( char* )Buffer, ( char* )PongMsg );
- // We fill the buffer with numbers for the payload
- for( i = 4; i < BufferSize; i++ ) {
- Buffer[i] = i - 4;
- }
- wait_ms( 10 );
- Radio.Send( Buffer, BufferSize );
- } else { // valid reception but not a PING as expected
- // Set device as master and start again
- isMaster = true;
- Radio.Rx( RX_TIMEOUT_VALUE );
- }
- }
+ if( BufferSize > 0 ) {
+ debug("\r\n========\r\nNew Packet\r\n========\r\n");
+ debug("%s \r\n", Buffer);
+ /*if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 ) {
+ led = !led;
+ debug( "...Ping\r\n" );
+ } else { // valid reception but not a PING as expected, let start again
+ Radio.Rx( RX_TIMEOUT_VALUE );
+ }*/
+ }
State = LOWPOWER;
break;
- case TX:
- led = !led;
- debug( "Pong...\r\n" );
+ case RX_TIMEOUT:
Radio.Rx( RX_TIMEOUT_VALUE );
State = LOWPOWER;
break;
- case RX_TIMEOUT:
- Radio.Rx( RX_TIMEOUT_VALUE );
- State = LOWPOWER;
- break;
case RX_ERROR:
- // We have received a Packet with a CRC error, send reply as if packet was correct
- // Send the next PONG frame
- strcpy( ( char* )Buffer, ( char* )PongMsg );
- for( i = 4; i < BufferSize; i++ ) {
- Buffer[i] = i - 4;
- }
- wait_ms( 10 );
- Radio.Send( Buffer, BufferSize );
- State = LOWPOWER;
- break;
- case TX_TIMEOUT:
- Radio.Rx( RX_TIMEOUT_VALUE );
+ // We have received a Packet with a CRC error
State = LOWPOWER;
break;
case LOWPOWER:
@@ -177,13 +137,6 @@
}
}
-void OnTxDone( void )
-{
- Radio.Sleep( );
- State = TX;
- debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" );
-}
-
void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
{
Radio.Sleep( );
@@ -195,13 +148,6 @@
debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" );
}
-void OnTxTimeout( void )
-{
- Radio.Sleep( );
- State = TX_TIMEOUT;
- debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" );
-}
-
void OnRxTimeout( void )
{
Radio.Sleep( );