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add delay to cap button improve reliability

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This commit is contained in:
Conor Patrick 2019-08-23 14:28:25 +08:00
parent b3ac739a35
commit d5c30eca7c
1 changed files with 9 additions and 3 deletions
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12
targets/stm32l432/src/device.c
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@ -55,7 +55,14 @@ static int is_physical_button_pressed()
static int is_touch_button_pressed() static int is_touch_button_pressed()
{ {
return tsc_read_button(0) || tsc_read_button(1); int is_pressed = (tsc_read_button(0) || tsc_read_button(1));
if (is_pressed)
{
// delay for debounce, and longer than polling timer period.
delay(95);
return (tsc_read_button(0) || tsc_read_button(1));
}
return is_pressed;
} }
int (*IS_BUTTON_PRESSED)() = is_physical_button_pressed; int (*IS_BUTTON_PRESSED)() = is_physical_button_pressed;
@ -66,7 +73,7 @@ static void edge_detect_touch_button()
uint8_t current_touch = 0; uint8_t current_touch = 0;
if (is_touch_button_pressed == IS_BUTTON_PRESSED) if (is_touch_button_pressed == IS_BUTTON_PRESSED)
{ {
current_touch = IS_BUTTON_PRESSED(); current_touch = (tsc_read_button(0) || tsc_read_button(1));
// 1 sample per 25 ms // 1 sample per 25 ms
if ((millis() - __last_button_bounce_time) > 25) if ((millis() - __last_button_bounce_time) > 25)
@ -153,7 +160,6 @@ void device_set_status(uint32_t status)
int device_is_button_pressed() int device_is_button_pressed()
{ {
return IS_BUTTON_PRESSED(); return IS_BUTTON_PRESSED();
} }