diff options
author | Vegard Storheil Eriksen <zyp@jvnv.net> | 2011-09-04 02:12:45 +0200 |
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committer | Vegard Storheil Eriksen <zyp@jvnv.net> | 2011-09-04 02:12:45 +0200 |
commit | bb2955ea4bb5c0f9431653351a47b373a2391389 (patch) | |
tree | 29e325c8ab76b089cbbd57505f7adc9b3117a440 /time.h | |
parent | e9f8369ce8b464f178c778ff8bcc3f54fe70b30c (diff) |
Added systick based sleep().
Diffstat (limited to 'time.h')
-rw-r--r-- | time.h | 28 |
1 files changed, 28 insertions, 0 deletions
@@ -0,0 +1,28 @@ +#ifndef TIME_H +#define TIME_H + +#include "stm32.h" +#include "interrupt.h" +#include "thread.h" + +class Time { + friend void interrupt<Interrupt::SysTick>(); + + private: + static volatile uint32_t systime; + + public: + static void init() { + STK.LOAD = 72000000 / 8 / 1000; // 1000 Hz. + STK.CTRL = 0x03; + } + + static void sleep(uint32_t ms) { + ms += systime; + while(systime < ms) { + Thread::yield(); + } + } +}; + +#endif |