Thomas MAZIER
/
Read_mes_slave_2
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Revision 15:a99503d744c3, committed 2019-01-18
- Comitter:
- ThomasMazier
- Date:
- Fri Jan 18 10:26:20 2019 +0000
- Parent:
- 14:ab6eecd44b7a
- Commit message:
- a
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 Jan 18 10:26:20 2019 +0000
@@ -1,63 +1,67 @@
+///////////////////////////////////////////////// BIBLIOTHEQUE ///////////////////////////////////////////////////////////////////////////////////////
+
#include "mbed.h"
#include "main.h"
#include "sx1272-hal.h"
#include "debug.h"
+#include "sx1272.h"
+
+
+Serial pc(USBTX, USBRX);
+
+#define PCBAUD 9600
+
+//////////////////////////////////////////////// DEFINITION OUTIL DEBUG ///////////////////////////////////////////////////////////////////////////
/* Set this flag to '1' to display debug messages on the console */
-#define DEBUG_MESSAGE 1
+
+
+#define DEBUG_MESSAGE 1 //permet d'afficher des messages sur le terminal
+
+
+////////////////////////////////////////////////////////////////////// DEFINITION MODULATION /////////////////////////////////////////////////////
/* 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 USE_MODEM_LORA 1 //On utilise LoRa
#define RF_FREQUENCY 868000000 // Hz
-#define TX_OUTPUT_POWER 14 // 14 dBm
+#define TX_OUTPUT_POWER 14 // dBm
-#if USE_MODEM_LORA == 1
+#if USE_MODEM_LORA == 1 // Definition des parametres de LoRa
#define LORA_BANDWIDTH 2 // [0: 125 kHz,
// 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,
+ #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
- #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
+ #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
- #define FSK_DATARATE 19200 // bps
- #define FSK_BANDWIDTH 50000 // Hz
- #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."
+ #error "Please define a modem in the compiler options." //ERREUR si ni LoRa ni FSK n'a ete active
#endif
-#define RX_TIMEOUT_VALUE 3500 // in ms
+#define RX_TIMEOUT_VALUE 10000 // in ms
#define BUFFER_SIZE 32 // Define the payload size here
-#if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) )
-DigitalOut led( LED2 );
-#else
-DigitalOut led( LED1 );
-#endif
+
+
-/*
- * Global variables declarations
- */
+
+//////////////////////////////////////////////////// GLOBAL VARIABLES DECLARATIONS /////////////////////////////////////////////////////////////////////
+
typedef enum
{
LOWPOWER = 0,
@@ -72,6 +76,7 @@
CAD,
CAD_DONE
+
}AppStates_t;
volatile AppStates_t State = LOWPOWER;
@@ -79,28 +84,34 @@
/*!
* Radio events function pointer
*/
+
+
static RadioEvents_t RadioEvents;
+
+
/*
* Global variables declarations
*/
+
+
SX1272MB2xAS Radio( NULL );
-const uint8_t PingMsg[] = "PING";
-const uint8_t PongMsg[] = "PONG";
-
-uint16_t BufferSize = BUFFER_SIZE;
+uint16_t BufferSize = BUFFER_SIZE; //Taille de la memoire tampon
uint8_t Buffer[BUFFER_SIZE];
-int16_t RssiValue = 0.0;
-int8_t SnrValue = 0.0;
+int16_t RssiValue = 0.0; //Rssi = Received Signal Strentgh Indication
+int8_t SnrValue = 0.0;
+
-int main( void )
+////////////////////////////////////////////////////////////////////// MAIN /////////////////////////////////////////////////////////
+
+
+int main( void )
{
- uint8_t i;
- bool isMaster = true;
-
- debug( "\n\n\r SX1272 Ping Pong Demo Application \n\n\r" );
+ pc.baud(PCBAUD);
+
+ debug( "\n\n\r SX1272 X Y Z Demo Application \n\n\r" );
// Initialize Radio driver
RadioEvents.TxDone = OnTxDone;
@@ -109,14 +120,14 @@
RadioEvents.TxTimeout = OnTxTimeout;
RadioEvents.RxTimeout = OnRxTimeout;
Radio.Init( &RadioEvents );
-
- // verify the connection with the board
+
+ // verify the connection with the board
while( Radio.Read( REG_VERSION ) == 0x00 )
{
debug( "Radio could not be detected!\n\r", NULL );
wait( 1 );
}
-
+
debug_if( ( DEBUG_MESSAGE & ( Radio.DetectBoardType( ) == SX1272MB2XAS ) ), "\n\r > Board Type: SX1272MB2xAS < \n\r" );
Radio.SetChannel( RF_FREQUENCY );
@@ -138,18 +149,6 @@
LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
LORA_IQ_INVERSION_ON, true );
-#elif USE_MODEM_FSK == 1
-
- 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, 2000 );
-
- Radio.SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
- 0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
- 0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
- 0, 0, false, true );
#else
@@ -157,154 +156,43 @@
#endif
- debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" );
-
- led = 0;
-
- Radio.Rx( RX_TIMEOUT_VALUE );
-
- while( 1 )
+ Radio.Rx( 3500 );
+ State = RX;
+ pc.printf("\n\r ++++++++++++++++++++++++++++++++ \n\r");
+
+ 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;
+ if( strncmp( (const char *)Buffer, "B", 1)==0)
+ {
+
+ pc.printf("%s,\n", Buffer);
+ pc.printf("\n\r");
+
+
+ }
+
+ BufferSize = 0;
+ Radio.Rx( 3500 );
}
- 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
- 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 );
- 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;
- }
+
+
+
+
}
}
+
+
+
+
+
+
+
+///////////////////////////////////////// DECLARATION DES FONCTIONS/////////////////////////////////////////////////////
+
void OnTxDone( void )
{
Radio.Sleep( );
@@ -332,7 +220,7 @@
void OnRxTimeout( void )
{
- Radio.Sleep( );
+ //Radio.Sleep( );
Buffer[BufferSize] = 0;
State = RX_TIMEOUT;
debug_if( DEBUG_MESSAGE, "> OnRxTimeout\n\r" );
@@ -340,7 +228,6 @@
void OnRxError( void )
{
- Radio.Sleep( );
State = RX_ERROR;
debug_if( DEBUG_MESSAGE, "> OnRxError\n\r" );
-}
+}
\ No newline at end of file