APS Lab
/
STM32F4_SmartMesh_QSL
SmartMesh QSL for STM32F4 version
Fork of COG-AD4050_QSL by
dn_time.cpp@1:b909b8399252, 2018-07-12 (annotated)
- Committer:
- APS_Lab
- Date:
- Thu Jul 12 09:19:12 2018 +0000
- Revision:
- 1:b909b8399252
- Parent:
- 0:8ca1e814a851
SmartMesh for STM32F4 version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
APS_Lab | 0:8ca1e814a851 | 1 | /* |
APS_Lab | 0:8ca1e814a851 | 2 | Copyright (c) 2016, Dust Networks. All rights reserved. |
APS_Lab | 0:8ca1e814a851 | 3 | |
APS_Lab | 0:8ca1e814a851 | 4 | Port of the time module to the NUCLEO-L053R8. |
APS_Lab | 0:8ca1e814a851 | 5 | |
APS_Lab | 0:8ca1e814a851 | 6 | \license See attached DN_LICENSE.txt. |
APS_Lab | 0:8ca1e814a851 | 7 | */ |
APS_Lab | 0:8ca1e814a851 | 8 | |
APS_Lab | 0:8ca1e814a851 | 9 | #include "dn_time.h" |
APS_Lab | 0:8ca1e814a851 | 10 | #include "mbed.h" |
APS_Lab | 0:8ca1e814a851 | 11 | #include "millis.h" |
APS_Lab | 0:8ca1e814a851 | 12 | #include "dn_debug.h" |
APS_Lab | 0:8ca1e814a851 | 13 | |
APS_Lab | 0:8ca1e814a851 | 14 | //=========================== defines ========================================= |
APS_Lab | 0:8ca1e814a851 | 15 | |
APS_Lab | 0:8ca1e814a851 | 16 | |
APS_Lab | 0:8ca1e814a851 | 17 | //=========================== variables ======================================= |
APS_Lab | 0:8ca1e814a851 | 18 | |
APS_Lab | 0:8ca1e814a851 | 19 | |
APS_Lab | 0:8ca1e814a851 | 20 | //=========================== prototypes ====================================== |
APS_Lab | 0:8ca1e814a851 | 21 | |
APS_Lab | 0:8ca1e814a851 | 22 | |
APS_Lab | 0:8ca1e814a851 | 23 | //=========================== public ========================================== |
APS_Lab | 0:8ca1e814a851 | 24 | |
APS_Lab | 0:8ca1e814a851 | 25 | uint32_t dn_time_ms(void) |
APS_Lab | 0:8ca1e814a851 | 26 | { |
APS_Lab | 0:8ca1e814a851 | 27 | /* |
APS_Lab | 0:8ca1e814a851 | 28 | A simple library that utilize SysTick is used instead of the mbed Timer |
APS_Lab | 0:8ca1e814a851 | 29 | class, as the latter is based on 32-bit microsecond counter and thus |
APS_Lab | 0:8ca1e814a851 | 30 | overflows long before 32-bits of milliseconds are used. |
APS_Lab | 0:8ca1e814a851 | 31 | */ |
APS_Lab | 0:8ca1e814a851 | 32 | uint32_t ms = millis(); |
APS_Lab | 0:8ca1e814a851 | 33 | return ms; |
APS_Lab | 0:8ca1e814a851 | 34 | } |
APS_Lab | 0:8ca1e814a851 | 35 | |
APS_Lab | 0:8ca1e814a851 | 36 | void dn_sleep_ms(uint32_t milliseconds) |
APS_Lab | 0:8ca1e814a851 | 37 | { |
APS_Lab | 0:8ca1e814a851 | 38 | /* |
APS_Lab | 0:8ca1e814a851 | 39 | A simple delay is used for simplicity in this example. |
APS_Lab | 0:8ca1e814a851 | 40 | To save power, we could instead have initialized a timer to fire an |
APS_Lab | 0:8ca1e814a851 | 41 | interrupt after the set number of milliseconds, followed by entering |
APS_Lab | 0:8ca1e814a851 | 42 | a low-power sleep mode. Upon wake up, we would have to check that we |
APS_Lab | 0:8ca1e814a851 | 43 | were indeed woken by said interrupt (and e.g. not an USART interrupt) |
APS_Lab | 0:8ca1e814a851 | 44 | to decide if we should go back to sleep or not. |
APS_Lab | 0:8ca1e814a851 | 45 | */ |
APS_Lab | 0:8ca1e814a851 | 46 | wait_ms(milliseconds); |
APS_Lab | 0:8ca1e814a851 | 47 | } |
APS_Lab | 0:8ca1e814a851 | 48 | |
APS_Lab | 0:8ca1e814a851 | 49 | //=========================== private ========================================= |
APS_Lab | 0:8ca1e814a851 | 50 | |
APS_Lab | 0:8ca1e814a851 | 51 | |
APS_Lab | 0:8ca1e814a851 | 52 | //=========================== helpers ========================================= |
APS_Lab | 0:8ca1e814a851 | 53 |