Team Walter
MAX32625PICO LP1 mode
Dependencies: SX1276GenericLib USBDevice
Fork of
PICO_LP1
by 
Walter Luu
Diff: SX1276GenericPingPong/GenericPingPong2.cpp
- Revision:
- 3:85fc843a9d7d
- Child:
- 6:51f492ca61a2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/SX1276GenericPingPong/GenericPingPong2.cpp Mon Oct 12 21:55:22 2020 +0000
@@ -0,0 +1,560 @@
+/*
+ * This file contains a copy of the master content sx1276PingPong
+ * with adaption for the SX1276Generic environment
+ * (c) 2017 Helmut Tschemernjak
+ * 30826 Garbsen (Hannover) Germany
+ */
+
+#include "mbed.h"
+#include "PinMap.h"
+#include "GenericPingPong2.h"
+#include "sx1276-mbed-hal.h"
+#include "main.h"
+#include "global_buffers.h" //adding this for development
+
+#include "sx1276.h"
+
+#include "USBSerial.h"
+
+#ifdef FEATURE_LORA // in main.cpp
+
+/* 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 RF_FREQUENCY_915_0 // Hz
+#define TX_OUTPUT_POWER 14 // 14 dBm
+
+#if USE_MODEM_LORA == 1
+
+#define LORA_BANDWIDTH 125000 // LoRa default, details in SX1276::BandwidthMap
+#define LORA_SPREADING_FACTOR LORA_SF7
+#define LORA_CODINGRATE LORA_ERROR_CODING_RATE_4_5
+
+#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 RX_TIMEOUT_VALUE 333 // in ms
+
+//#define BUFFER_SIZE 32 // Define the payload size here
+//#define BUFFER_SIZE 64 // Define the payload size here
+
+
+/*
+ * 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
+ */
+SX1276Generic *Radio;
+
+
+//const uint8_t PingMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'I', 'N', 'G'};// "PING";
+//const uint8_t PongMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'O', 'N', 'G'};// "PONG";
+
+//uint16_t BufferSize = BUFFER_SIZE;
+//uint8_t *Buffer;
+
+// Aliases for the buffers that are made in the main()
+uint8_t *BufferTx;
+uint8_t *BufferRx;
+USBSerial *ad;
+
+DigitalOut *led3;
+
+
+/*
+This function is in Devin's main function
+
+*/
+int SX1276PingPongSetup(uint8_t *BufferTxFromMain, uint8_t *BufferRxFromMain, USBSerial *_ad)
+{
+ ad = _ad;
+
+ ad->printf("TEST\r\n" );
+
+#if( defined ( TARGET_KL25Z ) || defined ( TARGET_Lad11U6X ) )
+ DigitalOut *led = new DigitalOut(LED2);
+#elif defined(TARGET_NUCLEO_L073RZ) || defined(TARGET_DISCO_L072CZ_LRWAN1)
+ DigitalOut *led = new DigitalOut(LED4); // RX red
+ led3 = new DigitalOut(LED3); // TX blue
+#else
+ DigitalOut *led = new DigitalOut(LED1);
+// led = 0;
+ led3 = led;
+#endif
+
+ BufferTx = BufferTxFromMain;
+ BufferRx = BufferRxFromMain;
+ *led3 = 0; // change to 0
+
+#ifdef B_L072Z_LRWAN1_LORA
+ Radio = new SX1276Generic(NULL, MURATA_SX1276,
+ LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+ LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5,
+ LORA_ANT_RX, LORA_ANT_TX, LORA_ANT_BOOST, LORA_TCXO);
+#else // RFM95
+ Radio = new SX1276Generic(NULL, RFM95_SX1276,
+ LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+ LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
+
+#endif
+
+// dprintf("SX1276 Ping Pong Demo Application" );
+ ad->printf("SX1276 Ping Pong Demo Application\r\n");
+// dprintf("Freqency: %.1f", (double)RF_FREQUENCY/1000000.0);
+ ad->printf("Freqency: %.1f\r\n", (double)RF_FREQUENCY/1000000.0);
+// dprintf("TXPower: %d dBm", TX_OUTPUT_POWER);
+ ad->printf("TXPower: %d dBm\r\n", TX_OUTPUT_POWER);
+#if USE_MODEM_LORA == 1
+// dprintf("Bandwidth: %d Hz", LORA_BANDWIDTH);
+ ad->printf("Bandwidth: %d Hz\r\n", LORA_BANDWIDTH);
+// dprintf("Spreading factor: SF%d", LORA_SPREADING_FACTOR);
+ ad->printf("Spreading factor: SF%d\r\n", LORA_SPREADING_FACTOR);
+#elif USE_MODEM_FSK == 1
+// dprintf("Bandwidth: %d kHz", FSK_BANDWIDTH);
+ ad->printf("Bandwidth: %d kHz\r\n", FSK_BANDWIDTH);
+// dprintf("Baudrate: %d", FSK_DATARATE);
+ ad->printf("Baudrate: %d\r\n", FSK_DATARATE);
+#endif
+ // Initialize Radio driver
+ RadioEvents.TxDone = OnTxDone;
+ RadioEvents.RxDone = OnRxDone;
+ RadioEvents.RxError = OnRxError;
+ RadioEvents.TxTimeout = OnTxTimeout;
+ RadioEvents.RxTimeout = OnRxTimeout;
+ if (Radio->Init( &RadioEvents ) == false) {
+ while(1) {
+// dprintf("Radio could not be detected!");
+ ad->printf("Radio could not be detected!\r\n");
+ wait( 1 );
+ }
+ }
+
+
+ switch(Radio->DetectBoardType()) {
+ case SX1276MB1LAS:
+ if (DEBUG_MESSAGE)
+ ad->printf(" > Board Type: SX1276MB1LAS <\r\n");
+ break;
+ case SX1276MB1MAS:
+ if (DEBUG_MESSAGE)
+ ad->printf(" > Board Type: SX1276MB1LAS <\r\n");
+ case MURATA_SX1276:
+ if (DEBUG_MESSAGE)
+ ad->printf(" > Board Type: MURATA_SX1276_STM32L0 <\r\n");
+ break;
+ case RFM95_SX1276:
+ if (DEBUG_MESSAGE)
+ ad->printf(" > HopeRF RFM95xx <\r\n");
+ break;
+ default:
+ ad->printf(" > Board Type: unknown <\r\n");
+ }
+
+ Radio->SetChannel(RF_FREQUENCY );
+
+#if USE_MODEM_LORA == 1
+
+ if (LORA_FHSS_ENABLED)
+ ad->printf(" > LORA FHSS Mode <\r\n");
+ if (!LORA_FHSS_ENABLED)
+ ad->printf(" > LORA Mode <\r\n");
+
+
+ // Without this line, the default max payload length is only 64 bytes
+ Radio->SetMaxPayloadLength(MODEM_LORA, 255);
+
+ 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
+
+ ad->printf(" > FSK Mode <\n");
+ 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
+
+ if (DEBUG_MESSAGE)
+ ad->printf("Starting Ping-Pong loop\r\n");
+
+
+ Radio->Rx( RX_TIMEOUT_VALUE );
+return 0; //added by Walter due to "Control reaches end of non-void function"
+}
+
+/****************************************************************************************************************************************
+ *
+ ****************************************************************************************************************************************/
+int SX1276PingPong(void)
+{
+#if MASTER == 1 // Master Device: Bluetooth Gateway
+ bool isMaster = true;
+#elif SLAVE == 1 // Slave Device: Robot
+ bool isMaster = false;
+#endif
+
+ switch( State )
+ {
+ case RX:
+// *led3 = 0; // uncommented
+ if( isMaster == true ) // Master Device received payload from Slave
+ {
+ if( BufferSizeRx > 0 )
+ {
+ /* This checks if the ID of the received transaction is matching that of
+ * the slave device's ID. This is defined in the GenericPingPong.h
+ */
+ if( memcmp(&BufferRx[rx_idx_signature], PongMsg, sizeof(PongMsg)) == 0 )
+ {
+// *led = !*led;
+// *led = 0; // changed to 0
+ if (DEBUG_MESSAGE)
+ ad->printf( "...Pong\r\n" );
+ wait_ms( 10 );
+ Radio->Send( BufferTx, BufferSizeTx );
+ } // memcmp != 0
+ else // valid reception but not a PONG message
+ { // Set device as master and start again
+ isMaster = true; // new update
+ Radio->Rx( RX_TIMEOUT_VALUE );
+ } // end of if memcmp
+ } // end of if BufferSizeRx > 0
+ } // end of isMaster == true
+ else // Slave Device received payload from Master
+ {
+ if( BufferSizeRx > 0 )
+ {
+ if( memcmp(BufferRx, PingMsg, sizeof(PingMsg)) == 0 )
+ {
+// *led = !*led;
+// *led = 0 //changed to 0
+ if (DEBUG_MESSAGE)
+ ad->printf( "...Ping\r\n" );
+ wait_ms( 10 );
+ Radio->Send( BufferTx, BufferSizeTx );
+ }
+ else // valid reception but not a PING as expected
+ { // Set device as slave and start again
+ isMaster = false; // new update
+ Radio->Rx( RX_TIMEOUT_VALUE );
+ }
+ } // end of if BufferSizeRx > 0
+ } // end of if (isMaster == True), end of checking devices
+
+ State = LOWPOWER; // back to LOWPOWER State
+
+ break;
+ case TX:
+// *led3 = 0; // change to 0
+ if( isMaster == true ) // Master Device
+ {
+ if (DEBUG_MESSAGE)
+ ad->printf("Ping...\r\n" );
+ }
+ else // Slave Device
+ {
+ if (DEBUG_MESSAGE)
+ ad->printf("Pong...\r\n" );
+ }
+ Radio->Rx( RX_TIMEOUT_VALUE );
+ State = LOWPOWER; // back to LOWPOWER State
+ break;
+ case RX_TIMEOUT:
+ if( isMaster == true ) // Master Device
+ {
+ wait_ms( 10 );
+ Radio->Send( BufferTx, BufferSizeTx );
+ }
+ else // Slave Device
+ {
+ Radio->Rx( RX_TIMEOUT_VALUE );
+ }
+ State = LOWPOWER; // back to LOWPOWER State
+ break;
+ case RX_ERROR:
+ // We have received a Packet with a CRC error, send reply as if packet was correct
+ if( isMaster == true ) // Master Device
+ {
+ // Send the next PING frame
+// memcpy(BufferTx, PingMsg, sizeof(PingMsg));
+/*
+ for( i = 4; i < BufferSizeTx; i++ )
+ {
+ BufferTx[i] = i - 4;
+ }
+*/
+// fillPayloadWithGlobalBufs(BufferTx);
+ wait_ms( 10 );
+ Radio->Send( BufferTx, BufferSizeTx );
+ }
+ else // Slave Device
+ {
+ // Send the next PONG frame
+// memcpy(BufferTx, PongMsg, sizeof(PongMsg));
+/*
+ for( i = sizeof(PongMsg); i < BufferSizeTx; i++ )
+ {
+ BufferTx[i] = i - sizeof(PongMsg);
+ }
+*/
+ wait_ms( 10 );
+ Radio->Send( BufferTx, BufferSizeTx );
+ }
+ State = LOWPOWER; // Back to Low Power State
+ break;
+ case TX_TIMEOUT:
+ Radio->Rx( RX_TIMEOUT_VALUE );
+ State = LOWPOWER;
+ break;
+ case LOWPOWER:
+ sleep();
+ break;
+ default:
+ State = LOWPOWER;
+ break;
+ }
+}
+
+
+int TimeOnAirSend(void) {
+
+ return Radio->TimeOnAir( MODEM_LORA, sizeof(BufferSizeTx));
+
+}
+
+
+int SX1276SensorSend(void) {
+
+ switch( State )
+ {
+ case RX:
+ // if( BufferSizeRx > 0 )
+// {
+// Radio->Send( BufferTx, BufferSizeTx );
+// Radio->Rx( RX_TIMEOUT_VALUE );
+// } // end of if BufferSizeRx > 0
+
+ Radio->Send( BufferTx, BufferSizeTx );
+ Radio->Rx( RX_TIMEOUT_VALUE );
+
+ State = LOWPOWER; // back to LOWPOWER State
+
+ break;
+ } // end of switch statement
+}
+
+
+
+int SX1276GateWayReceive(int TimeOut) {
+
+ switch( State )
+ {
+ case RX:
+ // if( BufferSizeRx > 0 )
+// {
+//// Radio->Send( BufferTx, BufferSizeTx );
+// Radio->Rx( RX_TIMEOUT_VALUE );
+// } // end of if BufferSizeRx > 0
+
+
+// Radio->Rx( RX_TIMEOUT_VALUE );
+
+ Radio->Rx( TimeOut );
+
+ State = LOWPOWER; // back to LOWPOWER State
+
+ break;
+ } // end of switch statement
+}
+
+
+
+
+//void OnTxDone(void *radio, void *userThisPtr, void *userData)
+//{
+// Radio->Sleep( );
+// State = TX;
+// if (DEBUG_MESSAGE)
+// dprintf("> OnTxDone");
+//}
+
+// moved to main
+void OnTxDone(void *radio, void *userThisPtr, void *userData)
+{
+ Radio->Sleep( );
+ State = TX;
+ if (DEBUG_MESSAGE)
+ //dprintf("> OnTxDone");
+ ad->printf("> OnTxDone");
+}
+
+
+//void OnRxDone(void *radio, void *userThisPtr, void *userData, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
+//{
+// Radio->Sleep( );
+// BufferSize = size;
+// memcpy( Buffer, payload, BufferSize );
+// State = RX;
+// if (DEBUG_MESSAGE)
+// dprintf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d", rssi, snr);
+// dump("Data:", payload, size);
+//}
+
+// moved to main
+void OnRxDone(void *radio, void *userThisPtr, void *userData, uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr)
+{
+ Radio->Sleep( );
+
+ if(BufferSizeRx != size)
+ memcpy( BufferRx, payload, size );
+ else
+ memcpy( BufferRx, payload, BufferSizeRx );
+ State = RX;
+
+ // Reset the RxTimeoutCount
+ RxTimeoutCount = 0;
+
+ if (DEBUG_MESSAGE) {
+ ad->printf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d\n", rssi, snr);
+ dump("Data:", payload, size);
+ }
+}
+
+//void OnTxTimeout(void *radio, void *userThisPtr, void *userData)
+//{
+// *led3 = 0;
+// Radio->Sleep( );
+// State = TX_TIMEOUT;
+// if(DEBUG_MESSAGE)
+// dprintf("> OnTxTimeout");
+//}
+
+// moved to main
+void OnTxTimeout(void *radio, void *userThisPtr, void *userData)
+{
+// *led3 = 0;
+ Radio->Sleep( );
+ State = TX_TIMEOUT;
+ if(DEBUG_MESSAGE)
+ ad->printf("> OnTxTimeout");
+}
+
+//void OnRxTimeout(void *radio, void *userThisPtr, void *userData)
+//{
+// *led3 = 0;
+// Radio->Sleep( );
+// Buffer[BufferSize-1] = 0;
+// State = RX_TIMEOUT;
+// if (DEBUG_MESSAGE)
+// dprintf("> OnRxTimeout");
+//}
+
+// moved to main
+void OnRxTimeout(void *radio, void *userThisPtr, void *userData)
+{
+ Radio->Sleep( );
+ BufferRx[BufferSizeRx-1] = 0;
+ State = RX_TIMEOUT;
+ if (DEBUG_MESSAGE)
+ ad->printf("> OnRxTimeout\n");
+
+ // Increment how many times a transmission times out\
+ RxTimeoutCount = RxTimeoutCount + 1;
+}
+
+//void OnRxError(void *radio, void *userThisPtr, void *userData)
+//{
+// Radio->Sleep( );
+// State = RX_ERROR;
+// if (DEBUG_MESSAGE)
+// dprintf("> OnRxError");
+//}
+
+// moved to main
+void OnRxError(void *radio, void *userThisPtr, void *userData)
+{
+ Radio->Sleep( );
+ State = RX_ERROR;
+ if (DEBUG_MESSAGE)
+ ad->printf("> OnRxError\n");
+
+ // Increment how many times a transmission times out\
+ RxTimeoutCount = RxTimeoutCount + 1;
+}
+
+
+int numOfRxTimeouts()
+{
+ return RxTimeoutCount;
+}
+
+
+#endif