UART to Console with NRF51DK board and InAir9 module

Dependencies:   BLE_API SX1272Lib mbed nRF51822

Fork of BLE_UARTConsole by Bluetooth Low Energy

Files at this revision

API Documentation at this revision

Comitter:
AMNoll
Date:
Mon Nov 13 23:16:56 2017 +0000
Parent:
9:5f0732aa3008
Commit message:
to team

Changed in this revision

SX1272Lib.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
main_pingpong.cpp Show annotated file Show diff for this revision Revisions of this file
main_pingpong.h Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1272Lib.lib	Mon Nov 13 23:16:56 2017 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/Capstone/code/SX1272Lib/#d5d94fd59c24
--- a/main.cpp	Tue Sep 29 12:12:10 2015 +0000
+++ b/main.cpp	Mon Nov 13 23:16:56 2017 +0000
@@ -20,7 +20,7 @@
 
 #include "UARTService.h"
 
-#define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
+#define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console;
                                * it will have an impact on code-size and power consumption. */
 
 #if NEED_CONSOLE_OUTPUT
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_pingpong.cpp	Mon Nov 13 23:16:56 2017 +0000
@@ -0,0 +1,346 @@
+#include "mbed.h"
+#include "main.h"
+#include "sx1272-hal.h"
+#include "debug.h"
+
+/* Set this flag to '1' to display debug messages on the console */
+#define DEBUG_MESSAGE   1
+
+/* 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 TX_OUTPUT_POWER                                 14        // 14 dBm
+
+#if USE_MODEM_LORA == 1
+
+    #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,
+                                                                  //  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
+
+#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."
+#endif
+
+#define RX_TIMEOUT_VALUE                                3500      // 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
+ */
+typedef enum
+{
+    LOWPOWER = 0,
+    IDLE,
+
+    RX,
+    RX_TIMEOUT,
+    RX_ERROR,
+
+    TX,
+    TX_TIMEOUT,
+
+    CAD,
+    CAD_DONE
+}AppStates_t;
+
+volatile AppStates_t State = LOWPOWER;
+
+/*!
+ * 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;
+uint8_t Buffer[BUFFER_SIZE];
+
+int16_t RssiValue = 0.0;
+int8_t SnrValue = 0.0;
+
+int main( void ) 
+{
+    uint8_t i;
+    bool isMaster = true;
+
+    debug( "\n\n\r     SX1272 Ping Pong Demo Application \n\n\r" );
+
+    // Initialize Radio driver
+    RadioEvents.TxDone = OnTxDone;
+    RadioEvents.RxDone = OnRxDone;
+    RadioEvents.RxError = OnRxError;
+    RadioEvents.TxTimeout = OnTxTimeout;
+    RadioEvents.RxTimeout = OnRxTimeout;
+    Radio.Init( &RadioEvents );
+
+    // 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 ); 
+
+#if USE_MODEM_LORA == 1
+
+    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, 2000 );
+
+    Radio.SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
+                         LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
+                         LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
+                         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
+
+#error "Please define a modem in the compiler options."
+
+#endif
+
+    debug_if( DEBUG_MESSAGE, "Starting Ping-Pong loop\r\n" );
+
+    led = 0;
+
+    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
+                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;
+        }
+    }
+}
+
+void OnTxDone( void )
+{
+    Radio.Sleep( );
+    State = TX;
+    debug_if( DEBUG_MESSAGE, "> OnTxDone\n\r" );
+}
+
+void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr )
+{
+    Radio.Sleep( );
+    BufferSize = size;
+    memcpy( Buffer, payload, BufferSize );
+    RssiValue = rssi;
+    SnrValue = snr;
+    State = RX;
+    debug_if( DEBUG_MESSAGE, "> OnRxDone\n\r" );
+}
+
+void OnTxTimeout( void )
+{
+    Radio.Sleep( );
+    State = TX_TIMEOUT;
+    debug_if( DEBUG_MESSAGE, "> OnTxTimeout\n\r" );
+}
+
+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" );
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_pingpong.h	Mon Nov 13 23:16:56 2017 +0000
@@ -0,0 +1,56 @@
+/*
+ / _____)             _              | |
+( (____  _____ ____ _| |_ _____  ____| |__
+ \____ \| ___ |    (_   _) ___ |/ ___)  _ \
+ _____) ) ____| | | || |_| ____( (___| | | |
+(______/|_____)_|_|_| \__)_____)\____)_| |_|
+    ( C )2014 Semtech
+
+Description: Contains the callbacks for the IRQs and any application related details
+
+License: Revised BSD License, see LICENSE.TXT file include in the project
+
+Maintainer: Miguel Luis and Gregory Cristian
+*/
+#ifndef __MAIN_H__
+#define __MAIN_H__
+
+/*
+ * Callback functions prototypes
+ */
+/*!
+ * @brief Function to be executed on Radio Tx Done event
+ */
+void OnTxDone( void );
+
+/*!
+ * @brief Function to be executed on Radio Rx Done event
+ */
+void OnRxDone( uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr );
+
+/*!
+ * @brief Function executed on Radio Tx Timeout event
+ */
+void OnTxTimeout( void );
+
+/*!
+ * @brief Function executed on Radio Rx Timeout event
+ */
+void OnRxTimeout( void );
+
+/*!
+ * @brief Function executed on Radio Rx Error event
+ */
+void OnRxError( void );
+
+/*!
+ * @brief Function executed on Radio Fhss Change Channel event
+ */
+void OnFhssChangeChannel( uint8_t channelIndex );
+
+/*!
+ * @brief Function executed on CAD Done event
+ */
+void OnCadDone( void );
+
+#endif // __MAIN_H__