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mbed-os
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Increase PWM timer precision

pull/356/head
tkuyucu 2014-06-12 15:05:44 +02:00
parent a384cf796e
commit 5cb6b71015
1 changed files with 3 additions and 3 deletions
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6
libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_NRF51822/pwmout_api.c
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@ -19,8 +19,8 @@
#include "error.h"
#define NO_PWMS 3
#define TIMER_PRECISION 8
#define TIMER_PRESCALER 7 //8us ticks
#define TIMER_PRECISION 4 //4us ticks
#define TIMER_PRESCALER 6 //4us ticks = 16Mhz/(2**6)
static const PinMap PinMap_PWM[] = {
{p0, PWM_1, 1},
{p1, PWM_1, 1},
@ -297,7 +297,7 @@ void pwmout_period_us(pwmout_t* obj, int us) {
if(periodInTicks>((1<<16) -1))
{
PERIOD = (1<<16 )-1;//262ms
PERIOD = (1<<16 )-1;//131ms
}
else if(periodInTicks<5){
PERIOD = 5;