Maxime Chevalier
/
SX1276Server
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SX1276PingPong
by 
Semtech
Revision 15:0439a7579868, committed 2017-03-03
- Comitter:
- chevamax
- Date:
- Fri Mar 03 08:07:37 2017 +0000
- Parent:
- 14:c7251480feb9
- Child:
- 16:1643ac8ba29f
- Commit message:
- Ajout attente avant d'envoyer un ordre pour que la carte r?ceptrice soit pr?tre
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Wed Feb 17 09:28:29 2016 +0000
+++ b/main.cpp Fri Mar 03 08:07:37 2017 +0000
@@ -4,13 +4,15 @@
#include "debug.h"
/* Set this flag to '1' to display debug messages on the console */
-#define DEBUG_MESSAGE 0
+#define DEBUG_MESSAGE 1
+
+#define ID_STATION 0x55
/* 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
-#define RF_FREQUENCY 868000000 // Hz
+#define RF_FREQUENCY 865000000 // Hz
#define TX_OUTPUT_POWER 14 // 14 dBm
#if USE_MODEM_LORA == 1
@@ -86,8 +88,8 @@
*/
SX1276MB1xAS Radio( NULL );
-const uint8_t PingMsg[] = "PING";
-const uint8_t PongMsg[] = "PONG";
+//const uint8_t PingMsg[] = "PING";
+//const uint8_t PongMsg[] = "PONG";
uint16_t BufferSize = BUFFER_SIZE;
uint8_t Buffer[BUFFER_SIZE];
@@ -98,9 +100,9 @@
int main()
{
uint8_t i;
- bool isMaster = true;
+ bool isMaster = false;
- debug( "\n\n\r SX1276 Ping Pong Demo Application \n\n\r" );
+ debug( "\n\n\r SX1276 Server Demo Application \n\n\r" );
// Initialize Radio driver
RadioEvents.TxDone = OnTxDone;
@@ -158,10 +160,13 @@
#endif
- debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" );
+ debug_if( DEBUG_MESSAGE, "Starting Server loop\r\n" );
led = 0;
-
+
+ char PingMsg[] = {0x24, 0x7F, 0xEF};
+ char PongMsg[] = {0x24, 0x55, 0xFF};
+
Radio.Rx( RX_TIMEOUT_VALUE );
while( 1 )
@@ -169,128 +174,50 @@
switch( State )
{
case RX:
- if( isMaster == true )
+ if( BufferSize > 0 )
{
- if( BufferSize > 0 )
+ if( strncmp( ( const char* )Buffer, ( const char* )PingMsg, 3 ) == 0 )
{
- if( strncmp( ( const char* )Buffer, ( const char* )PongMsg, 4 ) == 0 )
+ led = !led;
+ debug( "...DATA\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 = 3; i < BufferSize; i++ )
{
- 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 );
+ Buffer[i] = i - 4;
}
- 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 );
- }
+ wait_ms( 1000 );
+ Radio.Send( Buffer, BufferSize );
}
- }
- 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 );
- }
- }
+ 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" );
- }
+ debug( "ORDRE...\r\n" );
Radio.Rx( RX_TIMEOUT_VALUE );
State = LOWPOWER;
break;
case RX_TIMEOUT:
- 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 );
- Radio.Send( Buffer, BufferSize );
- }
- else
- {
- Radio.Rx( RX_TIMEOUT_VALUE );
- }
+ 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 PONG frame
+ strcpy( ( char* )Buffer, ( char* )PongMsg );
+ for( i = 3; i < BufferSize; i++ )
{
- // Send the next PING frame
- strcpy( ( char* )Buffer, ( char* )PingMsg );
- for( i = 4; i < BufferSize; i++ )
- {
- Buffer[i] = i - 4;
- }
- wait_ms( 10 );
- Radio.Send( Buffer, BufferSize );
+ Buffer[i] = i - 4;
}
- 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 );
- }
+ wait_ms( 10 );
+ Radio.Send( Buffer, BufferSize );
State = LOWPOWER;
break;
case TX_TIMEOUT: