QSL / Mbed 2 deprecated QSL_SimplePublish Featured

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.

Dependencies:   mbed millis

Fork of QSL_SimplePublish by Jon-Håkon Bøe Røli

QSL SimplePublish

SmartMesh IP QuickStart Library

dn_time.cpp@4:0285bcbbc855, 2016-09-08 (annotated)

Committer:
jhbr
Date:
Thu Sep 08 14:26:15 2016 +0000
Revision:
4:0285bcbbc855
Parent:
3:fb2c485306d1
Child:
8:8eb144b9ada3
Replaced sleep() with simple wait_ms(), as board seems to not always wake up or go to sleep as it should.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhbr 0:d3f5fdf2e6da 1 /*
jhbr 0:d3f5fdf2e6da 2 Copyright (c) 2016, Dust Networks. All rights reserved.
jhbr 0:d3f5fdf2e6da 3
jhbr 0:d3f5fdf2e6da 4 Port of the time module to the NUCLEO-L053R8.
jhbr 0:d3f5fdf2e6da 5
jhbr 0:d3f5fdf2e6da 6 \license See attached DN_LICENSE.txt.
jhbr 0:d3f5fdf2e6da 7 */
jhbr 0:d3f5fdf2e6da 8
jhbr 0:d3f5fdf2e6da 9 #include "dn_time.h"
jhbr 0:d3f5fdf2e6da 10 #include "mbed.h"
jhbr 0:d3f5fdf2e6da 11 #include "dn_debug.h"
jhbr 0:d3f5fdf2e6da 12
jhbr 4:0285bcbbc855 13 //=========================== defines =========================================
jhbr 4:0285bcbbc855 14
jhbr 4:0285bcbbc855 15
jhbr 0:d3f5fdf2e6da 16 //=========================== variables =======================================
jhbr 0:d3f5fdf2e6da 17
jhbr 0:d3f5fdf2e6da 18 static Timer myTimer;
jhbr 0:d3f5fdf2e6da 19
jhbr 0:d3f5fdf2e6da 20 //=========================== prototypes ======================================
jhbr 0:d3f5fdf2e6da 21
jhbr 0:d3f5fdf2e6da 22
jhbr 0:d3f5fdf2e6da 23 //=========================== public ==========================================
jhbr 0:d3f5fdf2e6da 24
jhbr 0:d3f5fdf2e6da 25 uint32_t dn_time_ms(void)
jhbr 0:d3f5fdf2e6da 26 {
jhbr 0:d3f5fdf2e6da 27 static bool started = FALSE;
jhbr 4:0285bcbbc855 28 time_t seconds;
jhbr 3:fb2c485306d1 29 uint32_t ms;
jhbr 3:fb2c485306d1 30
jhbr 0:d3f5fdf2e6da 31 if (!started)
jhbr 0:d3f5fdf2e6da 32 {
jhbr 0:d3f5fdf2e6da 33 myTimer.start();
jhbr 4:0285bcbbc855 34 /*
jhbr 4:0285bcbbc855 35 Uncomment the command below to set RTC time to 1th Jan 2016 00:00:00.
jhbr 4:0285bcbbc855 36 Otherwise, time() will just return seconds since boot
jhbr 4:0285bcbbc855 37 */
jhbr 4:0285bcbbc855 38 //set_time(1451606400);
jhbr 0:d3f5fdf2e6da 39 started = TRUE;
jhbr 0:d3f5fdf2e6da 40 }
jhbr 3:fb2c485306d1 41 /*
jhbr 3:fb2c485306d1 42 mbed timers are based on 32-bit int microsecond counters, resulting in
jhbr 3:fb2c485306d1 43 read_ms() to wrap around long before the max value of a uint32_t.
jhbr 3:fb2c485306d1 44 Therefore, the seconds from time() is used to fully extend the range, and
jhbr 3:fb2c485306d1 45 we cast read_ms() to an uint32_t and only use the millisecond part.
jhbr 3:fb2c485306d1 46 */
jhbr 4:0285bcbbc855 47 seconds = time(NULL);
jhbr 3:fb2c485306d1 48 ms = (uint32_t)seconds*1000 + (uint32_t)(myTimer.read_ms()) % 1000;
jhbr 3:fb2c485306d1 49
jhbr 3:fb2c485306d1 50 return ms;
jhbr 0:d3f5fdf2e6da 51 }
jhbr 0:d3f5fdf2e6da 52
jhbr 0:d3f5fdf2e6da 53 void dn_sleep_ms(uint32_t milliseconds)
jhbr 0:d3f5fdf2e6da 54 {
jhbr 4:0285bcbbc855 55 /*
jhbr 4:0285bcbbc855 56 A simple delay is used for simplicity in this example.
jhbr 4:0285bcbbc855 57 To save power, we could instead have initialized a timer to fire an
jhbr 4:0285bcbbc855 58 interrupt after the set number of milliseconds, followed by entering
jhbr 4:0285bcbbc855 59 a low-power sleep mode. Upon wake up, we would have to check that we
jhbr 4:0285bcbbc855 60 were indeed woken by said interrupt (and e.g. not an USART interrupt)
jhbr 4:0285bcbbc855 61 to decide if we should go back to sleep or not.
jhbr 4:0285bcbbc855 62 */
jhbr 4:0285bcbbc855 63 wait_ms(milliseconds);
jhbr 0:d3f5fdf2e6da 64 }
jhbr 0:d3f5fdf2e6da 65
jhbr 0:d3f5fdf2e6da 66 //=========================== private =========================================
jhbr 0:d3f5fdf2e6da 67
jhbr 0:d3f5fdf2e6da 68
jhbr 0:d3f5fdf2e6da 69 //=========================== helpers =========================================
jhbr 0:d3f5fdf2e6da 70