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/
SX1276PingPong_RHF76-052_s
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Dependencies: SX1276Lib1 WakeUp mbed-src
Fork of
SX1276PingPong
by 
Semtech
Revision 3:8b9e2a4df4b5, committed 2014-09-04
- Comitter:
- GregCr
- Date:
- Thu Sep 04 14:04:52 2014 +0000
- Parent:
- 2:59e108728d71
- Child:
- 4:5ece30264cd9
- Commit message:
- Added support for FHSS
Changed in this revision
| SX1276Lib.lib | Show annotated file Show diff for this revision Revisions of this file |
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/SX1276Lib.lib Thu Aug 21 11:58:56 2014 +0000 +++ b/SX1276Lib.lib Thu Sep 04 14:04:52 2014 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/GregCr/code/SX1276Lib/#11ec8a6ba4f0 +http://mbed.org/users/GregCr/code/SX1276Lib/#e7f02929cd3d
--- a/main.cpp Thu Aug 21 11:58:56 2014 +0000
+++ b/main.cpp Thu Sep 04 14:04:52 2014 +0000
@@ -7,10 +7,10 @@
/* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
-#define USE_MODEM_LORA 0
+#define USE_MODEM_LORA 1
#define USE_MODEM_FSK !USE_MODEM_LORA
-#define RF_FREQUENCY 875000000 // Hz
+#define RF_FREQUENCY 475000000 // Hz
#define TX_OUTPUT_POWER 14 // 14 dBm
#if USE_MODEM_LORA == 1
@@ -27,8 +27,11 @@
#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
#define LORA_SYMBOL_TIMEOUT 5 // Symbols
#define LORA_FIX_LENGTH_PAYLOAD_ON false
+ #define LORA_FHSS_ENABLED false
+ #define LORA_NB_SYMB_HOP 4
#define LORA_IQ_INVERSION_ON false
-
+ #define LORA_CRC_ENABLED true
+
#elif USE_MODEM_FSK == 1
#define FSK_FDEV 25000 // Hz
@@ -37,7 +40,8 @@
#define FSK_AFC_BANDWIDTH 83333 // Hz
#define FSK_PREAMBLE_LENGTH 5 // Same for Tx and Rx
#define FSK_FIX_LENGTH_PAYLOAD_ON false
-
+ #define FSK_CRC_ENABLED true
+
#else
#error "Please define a modem in the compiler options."
#endif
@@ -45,6 +49,12 @@
#define RX_TIMEOUT_VALUE 3000000 // in us
#define BUFFER_SIZE 32 // Define the payload size here
+#if( defined ( TARGET_KL25Z ) )
+DigitalOut led(LED2);
+#else
+DigitalOut led(LED1);
+#endif
+
/*
* Callback functions prototypes
*/
@@ -73,6 +83,11 @@
*/
void OnRxError( void );
+/*!
+ * @brief Function executed on Radio Fhss Change Channel event
+ */
+void OnFhssChangeChannel( uint8_t channelIndex );
+
/*
* Global variables declarations
*/
@@ -81,7 +96,7 @@
/*
* Global variables declarations
*/
-SX1276MB1xAS Radio( OnTxDone, OnTxTimeout, OnRxDone, OnRxTimeout, OnRxError );
+SX1276MB1xAS Radio( OnTxDone, OnTxTimeout, OnRxDone, OnRxTimeout, OnRxError, NULL );
const uint8_t PingMsg[] = "PING";
const uint8_t PongMsg[] = "PONG";
@@ -125,17 +140,26 @@
Radio.SetChannel( RF_FREQUENCY );
#if USE_MODEM_LORA == 1
-
- debug("\n\r\n\r > LORA Mode < \n\r\n\r");
+
+ if( LORA_FHSS_ENABLED == true )
+ {
+ debug("\n\r\n\r > LORA FHSS Mode < \n\r\n\r");
+ }
+ else
+ {
+ debug("\n\r\n\r > LORA Mode < \n\r\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,
- true, LORA_IQ_INVERSION_ON, 3000000 );
+ LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
+ LORA_IQ_INVERSION_ON, 3000000 );
Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON,
- true, LORA_IQ_INVERSION_ON, true );
+ LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
+ LORA_IQ_INVERSION_ON, true );
#elif USE_MODEM_FSK == 1
@@ -143,12 +167,12 @@
Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
FSK_DATARATE, 0,
FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
- true, 0, 3000000 );
+ FSK_CRC_ENABLED, 0, 0, 0, 3000000 );
Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
- 0, FSK_FIX_LENGTH_PAYLOAD_ON, true,
- false, true );
+ 0, FSK_FIX_LENGTH_PAYLOAD_ON, FSK_CRC_ENABLED,
+ 0, 0, false, true );
#else
@@ -158,6 +182,8 @@
debug( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" );
+ led = 0;
+
Radio.Rx( RX_TIMEOUT_VALUE );
while( 1 )
@@ -171,6 +197,7 @@
{
if( strncmp( ( const char* )Buffer, ( const char* )PongMsg, 4 ) == 0 )
{
+ led = !led;
debug( "...Pong\r\n" );
// Send the next PING frame
Buffer[0] = 'P';
@@ -188,6 +215,7 @@
else if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 )
{ // A master already exists then become a slave
debug( "...Ping\r\n" );
+ led = !led;
isMaster = false;
// Send the next PING frame
Buffer[0] = 'P';
@@ -199,7 +227,7 @@
{
Buffer[i] = i - 4;
}
- // wait_ms( 10 );
+ wait_ms( 10 );
Radio.Send( Buffer, BufferSize );
}
else // valid reception but neither a PING or a PONG message
@@ -215,6 +243,7 @@
{
if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 4 ) == 0 )
{
+ led = !led;
debug( "...Ping\r\n" );
// Send the reply to the PING string
Buffer[0] = 'P';
@@ -238,7 +267,8 @@
}
State = LOWPOWER;
break;
- case TX:
+ case TX:
+ led = !led;
if( isMaster == true )
{
debug( "Ping...\r\n" );
@@ -353,3 +383,4 @@
Radio.Sleep( );
State = RX_ERROR;
}
+