Robert Zalog / Mbed 2 deprecated hermes_copy

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependencies:   mbed QEI beep

systick.cpp@0:7a97ebb833eb, 2019-05-05 (annotated)

Committer:
rzalog
Date:
Sun May 05 00:02:11 2019 +0000
Revision:
0:7a97ebb833eb
test commit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rzalog 0:7a97ebb833eb 1 #include "systick.h"
rzalog 0:7a97ebb833eb 2 #include "mbed.h"
rzalog 0:7a97ebb833eb 3 #include "globals.h"
rzalog 0:7a97ebb833eb 4
rzalog 0:7a97ebb833eb 5 void systickFunction() {
rzalog 0:7a97ebb833eb 6 // Update global counter
rzalog 0:7a97ebb833eb 7 millis++;
rzalog 0:7a97ebb833eb 8 mainController.update();
rzalog 0:7a97ebb833eb 9
rzalog 0:7a97ebb833eb 10 // Update other sensors
rzalog 0:7a97ebb833eb 11 ir.update();
rzalog 0:7a97ebb833eb 12 }
rzalog 0:7a97ebb833eb 13
rzalog 0:7a97ebb833eb 14 void Systick::start() {
rzalog 0:7a97ebb833eb 15 m_systicker.attach(&systickFunction, SYS_TICK_TIME);
rzalog 0:7a97ebb833eb 16 }
rzalog 0:7a97ebb833eb 17
rzalog 0:7a97ebb833eb 18 void Systick::stop() {
rzalog 0:7a97ebb833eb 19 m_systicker.detach();
rzalog 0:7a97ebb833eb 20 }
rzalog 0:7a97ebb833eb 21
rzalog 0:7a97ebb833eb 22 Systick::Systick() {
rzalog 0:7a97ebb833eb 23 // A little bit of magic; if you want to know why, ask Robert
rzalog 0:7a97ebb833eb 24 NVIC_SetPriority(TIM5_IRQn, 255);
rzalog 0:7a97ebb833eb 25 }
rzalog 0:7a97ebb833eb 26
rzalog 0:7a97ebb833eb 27 void Systick::wait(float sec) {
rzalog 0:7a97ebb833eb 28 // Utility function: allows you to wait while using systick.
rzalog 0:7a97ebb833eb 29 int init = millis;
rzalog 0:7a97ebb833eb 30
rzalog 0:7a97ebb833eb 31 float num_ticks = sec / SYS_TICK_TIME;
rzalog 0:7a97ebb833eb 32
rzalog 0:7a97ebb833eb 33 while (millis - init < num_ticks)
rzalog 0:7a97ebb833eb 34 ;
rzalog 0:7a97ebb833eb 35 }