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Extend keepalive if the user is currently touching the screen -- this avoids the screen fading out on presses longer than the inactivity timeout

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Pim van Pelt
2017-11-28 15:58:46 +01:00
parent af23ddee37
commit 5b80d88b86
1 changed files with 9 additions and 0 deletions
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9
src/backlight.c
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@ -1,4 +1,5 @@
#include "backlight.h" #include "backlight.h"
#include "stmpe610.h"
static float backlight_duty; static float backlight_duty;
static float backlight_target_duty; static float backlight_target_duty;
@ -57,6 +58,14 @@ static void backlight_set(float new_duty, int fader_msec) {
} }
static void backlight_keepalive_cb(void *arg) { static void backlight_keepalive_cb(void *arg) {
// Extend the keepalive if the current state is TOUCH_DOWN
if (mgos_stmpe610_is_touching()) {
LOG(LL_DEBUG, ("SMTPE610 is touching, extending keepalive"));
backlight_keepalive();
return;
}
// We trigger a fade if: // We trigger a fade if:
// - current time is more than 3sec since our last keepalive // - current time is more than 3sec since our last keepalive
// - backlight_duty>0: the screen is on // - backlight_duty>0: the screen is on