SensorTile Dreamers
/
LoRa_Tx
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Fork of
SX1272PingPong
by 
Semtech
Diff: main.cpp
- Revision:
- 7:c1bbd6c56979
- Parent:
- 6:44752b4f8ab1
- Child:
- 8:f956dee63a56
diff -r 44752b4f8ab1 -r c1bbd6c56979 main.cpp
--- a/main.cpp Tue Sep 23 14:24:56 2014 +0000
+++ b/main.cpp Fri Sep 26 13:01:01 2014 +0000
@@ -6,7 +6,6 @@
/* Set this flag to '1' to display debug messages on the console */
#define DEBUG_MESSAGE 0
-
/* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
#define USE_MODEM_LORA 1
#define USE_MODEM_FSK !USE_MODEM_LORA
@@ -47,7 +46,7 @@
#error "Please define a modem in the compiler options."
#endif
-#define RX_TIMEOUT_VALUE 3000000 // in us
+#define RX_TIMEOUT_VALUE 3500000 // in us
#define BUFFER_SIZE 32 // Define the payload size here
#if( defined ( TARGET_KL25Z ) )
@@ -60,10 +59,8 @@
* Global variables declarations
*/
typedef RadioState States_t;
+volatile States_t State = LOWPOWER;
-/*
- * Global variables declarations
- */
SX1276MB1xAS Radio( OnTxDone, OnTxTimeout, OnRxDone, OnRxTimeout, OnRxError, NULL, NULL );
const uint8_t PingMsg[] = "PING";
@@ -72,8 +69,6 @@
uint16_t BufferSize = BUFFER_SIZE;
uint8_t Buffer[BUFFER_SIZE];
-volatile States_t State = LOWPOWER;
-
int16_t RssiValue = 0.0;
int8_t SnrValue = 0.0;
@@ -82,46 +77,30 @@
uint8_t i;
bool isMaster = true;
- debug( "\n\r\n\r SX1276 Ping Pong Demo Application \n\r" );
-
-#if defined TARGET_NUCLEO_L152RE
- debug_if( DEBUG_MESSAGE, " > Nucleo-L152RE Platform <\r\n", NULL );
-#elif defined TARGET_KL25Z
- debug_if( DEBUG_MESSAGE, " > KL25Z Platform <\r\n", NULL );
-#elif defined TARGET_LPC11U6X
- debug_if( DEBUG_MESSAGE, " > LPC11U6X Platform <\r\n", NULL );
-#else
- debug_if( DEBUG_MESSAGE, " > Untested Platform <\r\n", NULL );
-#endif
+ debug( "\n\n\r SX1276 Ping Pong Demo Application \n\n\r" );
- if( Radio.DetectBoardType( ) == SX1276MB1LAS )
+ // verify the connection with the board
+ while( Radio.Read( REG_VERSION ) == 0x00 )
{
- debug_if( DEBUG_MESSAGE, "\n\r > Board Type: SX1276MB1LAS < \n\r", NULL );
+ debug( "Radio could not be detected!\n\r", NULL );
+ wait( 1 );
}
- else
- {
- debug_if( DEBUG_MESSAGE, "\n\r > Board Type: SX1276MB1MAS < \n\r", NULL );
- }
-
- debug_if( DEBUG_MESSAGE, " > Chipset Version = 0x%x < \n\r", Radio.Read( REG_VERSION ) );
+
+ debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1LAS ) ) , "\n\r > Board Type: SX1276MB1LAS < \n\r" );
+ debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1276MB1MAS ) ) , "\n\r > Board Type: SX1276MB1MAS < \n\r" );
Radio.SetChannel( RF_FREQUENCY );
#if USE_MODEM_LORA == 1
- 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");
- }
+ 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, 3000000 );
+ LORA_IQ_INVERSION_ON, 2000000 );
Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
@@ -131,11 +110,11 @@
#elif USE_MODEM_FSK == 1
- debug("\n\r\n\r > FSK Mode < \n\r\n\r");
+ debug("\n\n\r > FSK Mode < \n\n\r");
Radio.SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
FSK_DATARATE, 0,
FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
- FSK_CRC_ENABLED, 0, 0, 0, 3000000 );
+ FSK_CRC_ENABLED, 0, 0, 0, 2000000 );
Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
@@ -148,7 +127,7 @@
#endif
- debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n", NULL );
+ debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" );
led = 0;
@@ -168,10 +147,7 @@
led = !led;
debug( "...Pong\r\n" );
// Send the next PING frame
- Buffer[0] = 'P';
- Buffer[1] = 'I';
- Buffer[2] = 'N';
- Buffer[3] = 'G';
+ strcpy( ( char* )Buffer, ( char* )PingMsg );
// We fill the buffer with numbers for the payload
for( i = 4; i < BufferSize; i++ )
{
@@ -185,11 +161,8 @@
debug( "...Ping\r\n" );
led = !led;
isMaster = false;
- // Send the next PING frame
- Buffer[0] = 'P';
- Buffer[1] = 'O';
- Buffer[2] = 'N';
- Buffer[3] = 'G';
+ // Send the next PONG frame
+ strcpy( ( char* )Buffer, ( char* )PongMsg );
// We fill the buffer with numbers for the payload
for( i = 4; i < BufferSize; i++ )
{
@@ -214,10 +187,7 @@
led = !led;
debug( "...Ping\r\n" );
// Send the reply to the PING string
- Buffer[0] = 'P';
- Buffer[1] = 'O';
- Buffer[2] = 'N';
- Buffer[3] = 'G';
+ strcpy( ( char* )Buffer, ( char* )PongMsg );
// We fill the buffer with numbers for the payload
for( i = 4; i < BufferSize; i++ )
{
@@ -252,10 +222,7 @@
if( isMaster == true )
{
// Send the next PING frame
- Buffer[0] = 'P';
- Buffer[1] = 'I';
- Buffer[2] = 'N';
- Buffer[3] = 'G';
+ strcpy( ( char* )Buffer, ( char* )PingMsg );
for( i = 4; i < BufferSize; i++ )
{
Buffer[i] = i - 4;
@@ -270,13 +237,11 @@
State = LOWPOWER;
break;
case RX_ERROR:
+ // We have received a Packet with a CRC error, send reply as if packet was correct
if( isMaster == true )
{
// Send the next PING frame
- Buffer[0] = 'P';
- Buffer[1] = 'I';
- Buffer[2] = 'N';
- Buffer[3] = 'G';
+ strcpy( ( char* )Buffer, ( char* )PingMsg );
for( i = 4; i < BufferSize; i++ )
{
Buffer[i] = i - 4;
@@ -287,10 +252,7 @@
else
{
// Send the next PONG frame
- Buffer[0] = 'P';
- Buffer[1] = 'O';
- Buffer[2] = 'N';
- Buffer[3] = 'G';
+ strcpy( ( char* )Buffer, ( char* )PongMsg );
for( i = 4; i < BufferSize; i++ )
{
Buffer[i] = i - 4;
@@ -317,7 +279,7 @@
{
Radio.Sleep( );
State = TX;
- debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r", NULL );
+ debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" );
}
void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
@@ -328,14 +290,14 @@
RssiValue = rssi;
SnrValue = snr;
State = RX;
- debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r", NULL );
+ debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" );
}
void OnTxTimeout( void )
{
Radio.Sleep( );
State = TX_TIMEOUT;
- debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r", NULL );
+ debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" );
}
void OnRxTimeout( void )
@@ -343,13 +305,13 @@
Radio.Sleep( );
Buffer[ BufferSize ] = 0;
State = RX_TIMEOUT;
- debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r", NULL );
+ debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" );
}
void OnRxError( void )
{
Radio.Sleep( );
State = RX_ERROR;
- debug_if( DEBUG_MESSAGE, "> OnRxError\n\r", NULL );
+ debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" );
}