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LED fade out effects

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whowechina 2023-01-02 18:19:26 +08:00
parent 846ca49479
commit f4a46d019b
1 changed files with 32 additions and 3 deletions
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35
FIRMWARE/src/buttons.c
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@ -93,16 +93,45 @@ uint16_t button_read()
#define HID_EXPIRE_DURATION 1000000ULL
static uint32_t hid_expire_time = 0;
static bool hid_lights[BUTTON_NUM];
static uint8_t hid_pwm[BUTTON_NUM];
void light_soft_pwm()
{
static uint16_t pwm_cycle = 0;
pwm_cycle = (pwm_cycle + 1) % 900;
for (int i = 0; i < BUTTON_NUM; i++) {
if (BUTTON_DEFS[i].led_gpio >= 0) {
gpio_put(BUTTON_DEFS[i].led_gpio, pwm_cycle <= hid_pwm[i] * hid_pwm[i]);
}
}
}
void light_fade()
{
static uint64_t update_time = 0;
uint64_t now = time_us_64();
if (now - update_time > 6000) {
update_time = now;
for (int i = 0; i < BUTTON_NUM; i++) {
if (hid_pwm[i] > 0) {
hid_pwm[i]--;
}
}
}
}
void button_update_light()
{
bool hid_active = (time_us_64() < hid_expire_time);
for (int i = 0; i < BUTTON_NUM; i++) {
bool val = hid_active ? hid_lights[i] : sw_val[i];
if (BUTTON_DEFS[i].led_gpio >= 0) {
gpio_put(BUTTON_DEFS[i].led_gpio, val);
bool turn_on = hid_active ? hid_lights[i] : sw_val[i];
if (turn_on) {
hid_pwm[i] = 35;
}
}
light_soft_pwm();
light_fade();
}
void button_set_light(uint8_t const *lights, uint8_t num)