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bugfix(pwm): fix pwm jitter

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XiongYu
2019-04-26 21:16:33 +08:00
parent fb396797bf
commit c0007f887a
1 changed files with 6 additions and 2 deletions
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8
components/esp8266/driver/pwm.c
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@ -45,9 +45,13 @@ static const char *TAG = "pwm";
#define US_TO_MAC_TICK(t) (t)
#define US_TO_TICKS(t) US_TO_MAC_TICK(t)
// Time to switch PWM ahead of time
#define AHEAD_TICKS0 0
#define AHEAD_TICKS1 6
#define AHEAD_TICKS2 8
// Advance timing of the timer
#define AHEAD_TICKS1 8
// The time that remains in the interrupt function (the adjacent target loops in the interrupt)
#define AHEAD_TICKS2 10
// Minimum timing time
#define AHEAD_TICKS3 2
#define MAX_TICKS 10000000ul