Program that uses the QuickStart Library to interface a SmartMesh IP mote: Connects to the default network and starts publishing a random walk value every 5 seconds.
Fork of QSL_SimplePublish by
QSL SimplePublish
SmartMesh IP QuickStart Library
- GitHub repository
- Current release used: REL-1.0.2.2
- Documentation
- Discussion
main.cpp
- Committer:
- jhbr
- Date:
- 2016-11-04
- Revision:
- 9:f723949a18b7
- Parent:
- 8:8eb144b9ada3
File content as of revision 9:f723949a18b7:
/* Copyright (c) 2016, Dust Networks. All rights reserved. SimplePublish example application for the mbed OS. \license See attached DN_LICENSE.txt. */ #include "mbed.h" #include "millis.h" #include "dn_qsl_api.h" // Only really need this include from QSL #include "dn_debug.h" // Included to borrow debug macros #include "dn_endianness.h" // Included to borrow array copying #include "dn_time.h" // Included to borrow sleep function #define NETID 0 // Factory default value used if zero (1229) #define JOINKEY NULL // Factory default value used if NULL (44 55 53 54 4E 45 54 57 4F 52 4B 53 52 4F 43 4B) #define BANDWIDTH_MS 5000 // Not changed if zero (default base bandwidth given by manager is 9 s) #define SRC_PORT 60000 // Default port used if zero (0xf0b8) #define DEST_PORT 0 // Default port used if zero (0xf0b8) #define DATA_PERIOD_MS 5000 // Should be longer than (or equal to) bandwidth // We can use debug macros from dn_debug, as stdio defaults to this serial Serial serialDebug(SERIAL_TX, SERIAL_RX); // LED2 is the green LED on the NUCLEO-L053R8; might change for other boards DigitalOut myled(LED2); static uint16_t randomWalk(void); static void parsePayload(const uint8_t *payload, uint8_t size); int main() { uint8_t payload[3]; uint8_t inboxBuf[DN_DEFAULT_PAYLOAD_SIZE_LIMIT]; uint8_t bytesRead; uint8_t i; // Configure SysTick for timing millisStart(); // Set PC debug serial baudrate serialDebug.baud(115200); log_info("Initializing..."); dn_qsl_init(); // Flash LED to indicate start-up complete for (i = 0; i < 10; i++) { myled = !myled; dn_sleep_ms(50); } while(TRUE) { if (dn_qsl_isConnected()) { uint16_t val = randomWalk(); static uint8_t count = 0; myled = 0; // Turn off LED during send/read dn_write_uint16_t(payload, val); payload[2] = count; if (dn_qsl_send(payload, sizeof (payload), DEST_PORT)) { log_info("Sent message nr %u: %u", count, val); count++; } else { log_info("Send failed"); } do { bytesRead = dn_qsl_read(inboxBuf); parsePayload(inboxBuf, bytesRead); } while (bytesRead > 0); myled = 1; // Turn on LED dn_sleep_ms(DATA_PERIOD_MS); } else { log_info("Connecting..."); myled = 0; // Not connected; turn off LED if (dn_qsl_connect(NETID, JOINKEY, SRC_PORT, BANDWIDTH_MS)) { myled = 1; // Connected; turn on LED log_info("Connected to network"); } else { log_info("Failed to connect"); } } } } static uint16_t randomWalk(void) { static bool first = TRUE; static uint16_t lastValue = 0x7fff; // Start in middle of uint16 range const int powerLevel = 9001; // Seed random number generator on first call if (first) { first = FALSE; srand(dn_time_ms()); } // Random walk within +/- powerLevel lastValue += rand() / (RAND_MAX / (2*powerLevel) + 1) - powerLevel; return lastValue; } static void parsePayload(const uint8_t *payload, uint8_t size) { uint8_t i; char msg[size + 1]; if (size == 0) { // Nothing to parse return; } // Parse bytes individually as well as together as a string log_info("Received downstream payload of %u bytes:", size); for (i = 0; i < size; i++) { msg[i] = payload[i]; log_info("\tByte# %03u: %#.2x (%u)", i, payload[i], payload[i]); } msg[size] = '\0'; log_info("\tMessage: %s", msg); }