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Servo: use peripheral clock frequency when calculating FRC1 tick count (#1789)

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This commit is contained in:
Ivan Grokhotkov 2016-03-24 01:48:23 +03:00
parent 3d3c928e2e
commit 633e48f3ae
1 changed files with 4 additions and 2 deletions
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6
libraries/Servo/src/esp8266/ServoTimers.h
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@ -126,6 +126,8 @@ private:
#if !defined (SERVO_EXCLUDE_TIMER1)
#define TIMER1_TICKS_PER_US (APB_CLK_FREQ / 1000000L)
struct ServoTimer1
{
public:
@ -137,11 +139,11 @@ public:
uint32_t usToTicks(uint32_t us) const
{
return (clockCyclesPerMicrosecond() / 16 * us); // converts microseconds to tick
return (TIMER1_TICKS_PER_US / 16 * us); // converts microseconds to tick
}
uint32_t ticksToUs(uint32_t ticks) const
{
return (ticks / clockCyclesPerMicrosecond() * 16); // converts from ticks back to microseconds
return (ticks / TIMER1_TICKS_PER_US * 16); // converts from ticks back to microseconds
}
void InitInterrupt(timercallback handler)