SensorTile Dreamers
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LoRa_Tx
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SX1272PingPong
by 
Semtech
Revision 15:f48a416da6a8, committed 2017-07-21
- Comitter:
- franc_unina
- Date:
- Fri Jul 21 19:44:45 2017 +0000
- Parent:
- 14:ab6eecd44b7a
- Commit message:
- LoRa_Tx
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Mon Apr 24 09:29:13 2017 +0000
+++ b/main.cpp Fri Jul 21 19:44:45 2017 +0000
@@ -86,8 +86,9 @@
*/
SX1272MB2xAS Radio( NULL );
-const uint8_t PingMsg[] = "PING";
-const uint8_t PongMsg[] = "PONG";
+const uint8_t PingMsg[] = "LOR1";
+const uint8_t PongMs2[] = "LOR2";
+const uint8_t PongMs3[] = "LOR3";
uint16_t BufferSize = BUFFER_SIZE;
uint8_t Buffer[BUFFER_SIZE];
@@ -98,7 +99,7 @@
int main( void )
{
uint8_t i;
- bool isMaster = true;
+
debug( "\n\n\r SX1272 Ping Pong Demo Application \n\n\r" );
@@ -161,147 +162,23 @@
led = 0;
- Radio.Rx( RX_TIMEOUT_VALUE );
+ //Radio.Rx( RX_TIMEOUT_VALUE );
while( 1 )
{
- switch( State )
- {
- case RX:
- if( isMaster == true )
- {
- if( BufferSize > 0 )
- {
- if( strncmp( ( const char* )Buffer, ( const char* )PongMsg, 4 ) == 0 )
- {
- led = !led;
- debug( "...Pong\r\n" );
- // Send the next PING frame
- strcpy( ( char* )Buffer, ( char* )PingMsg );
- // 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 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 PONG frame
- 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 neither a PING or a PONG message
- { // Set device as master ans start again
- isMaster = true;
- Radio.Rx( RX_TIMEOUT_VALUE );
- }
- }
- }
- else
- {
- 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 );
- }
- }
- }
- State = LOWPOWER;
- break;
- case TX:
+
led = !led;
- if( isMaster == true )
- {
- debug( "Ping...\r\n" );
- }
- else
- {
- debug( "Pong...\r\n" );
- }
- Radio.Rx( RX_TIMEOUT_VALUE );
- State = LOWPOWER;
- break;
- case RX_TIMEOUT:
- if( isMaster == true )
- {
- // Send the next PING frame
+
+ debug( "LOR1...\r\n" );
+
strcpy( ( char* )Buffer, ( char* )PingMsg );
for( i = 4; i < BufferSize; i++ )
{
Buffer[i] = i - 4;
}
- wait_ms( 10 );
- Radio.Send( Buffer, BufferSize );
- }
- else
- {
- 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
- if( isMaster == true )
- {
- // Send the next PING frame
- strcpy( ( char* )Buffer, ( char* )PingMsg );
- for( i = 4; i < BufferSize; i++ )
- {
- Buffer[i] = i - 4;
- }
- wait_ms( 10 );
+ wait_ms( 1000 );
Radio.Send( Buffer, BufferSize );
- }
- else
- {
- // 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 );
- State = LOWPOWER;
- break;
- case LOWPOWER:
- break;
- default:
- State = LOWPOWER;
- break;
- }
+
}
}
@@ -314,6 +191,7 @@
void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
{
+
Radio.Sleep( );
BufferSize = size;
memcpy( Buffer, payload, BufferSize );
@@ -321,6 +199,7 @@
SnrValue = snr;
State = RX;
debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" );
+
}
void OnTxTimeout( void )
@@ -332,15 +211,19 @@
void OnRxTimeout( void )
{
+
Radio.Sleep( );
Buffer[BufferSize] = 0;
State = RX_TIMEOUT;
debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" );
+
}
void OnRxError( void )
{
+
Radio.Sleep( );
State = RX_ERROR;
debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" );
+
}