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Wiring time functions

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This commit is contained in:
Ivan Grokhotkov 2014-11-16 16:09:55 +03:00
parent 5fccef713c
commit 168156d210
1 changed files with 13 additions and 26 deletions
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39
cores/esp8266/wiring.c
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@ -23,46 +23,33 @@
*/ */
#include "wiring_private.h" #include "wiring_private.h"
#include "ets_sys.h"
// the prescaler is set so that timer0 ticks every 64 clock cycles, and the #include "osapi.h"
// the overflow handler is called every 256 ticks. #include "user_interface.h"
#define MICROSECONDS_PER_TIMER0_OVERFLOW (clockCyclesToMicroseconds(64 * 256))
// the whole number of milliseconds per timer0 overflow
#define MILLIS_INC (MICROSECONDS_PER_TIMER0_OVERFLOW / 1000)
// the fractional number of milliseconds per timer0 overflow. we shift right
// by three to fit these numbers into a byte. (for the clock speeds we care
// about - 8 and 16 MHz - this doesn't lose precision.)
#define FRACT_INC ((MICROSECONDS_PER_TIMER0_OVERFLOW % 1000) >> 3)
#define FRACT_MAX (1000 >> 3)
volatile unsigned long timer0_overflow_count = 0;
volatile unsigned long timer0_millis = 0;
static unsigned char timer0_fract = 0;
unsigned long millis() unsigned long millis()
{ {
unsigned long m = 0; unsigned long m = system_get_time() / 1000;
return m;
}
unsigned long micros() {
unsigned long m = 0;
return m; return m;
} }
void delay(unsigned long ms) void delay(unsigned long ms)
{ {
os_delay_us(1000*ms);
}
unsigned long micros()
{
unsigned long m = system_get_time();
return m;
} }
void delayMicroseconds(unsigned int us) void delayMicroseconds(unsigned int us)
{ {
os_delay_us(us);
} }
void init() void init()
{ {
system_timer_reinit();
} }