espressif/ESP8266_RTOS_SDK
1
0
Fork 0
mirror of https://github.com/espressif/ESP8266_RTOS_SDK.git synced 2025-08-06 15:15:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

bugfix(pwm): fix pwm jitter

Browse Source
This commit is contained in:
XiongYu
2019-04-26 21:16:33 +08:00
parent fb396797bf
commit c0007f887a
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
components/esp8266/driver/pwm.c
View File

@ -45,9 +45,13 @@ static const char *TAG = "pwm";
#define US_TO_MAC_TICK(t) (t) #define US_TO_MAC_TICK(t) (t)
#define US_TO_TICKS(t) US_TO_MAC_TICK(t) #define US_TO_TICKS(t) US_TO_MAC_TICK(t)
// Time to switch PWM ahead of time
#define AHEAD_TICKS0 0 #define AHEAD_TICKS0 0
#define AHEAD_TICKS1 6 // Advance timing of the timer
#define AHEAD_TICKS2 8 #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 AHEAD_TICKS3 2
#define MAX_TICKS 10000000ul #define MAX_TICKS 10000000ul