void ui_process(uint16_t framenumber)
{
bool b_btn_state;
static bool btn0_last_state = false;
static bool btn1_last_state = false;
static bool btn2_last_state = false;
static bool btnq_last_state = false;
static uint8_t cpt_sof = 0;
if ((framenumber % 1000) == 0) {
LED_On(LED1_GPIO);
}
if ((framenumber % 1000) == 500) {
LED_Off(LED1_GPIO);
}
// Scan process running each 40ms
cpt_sof++;
if (40 > cpt_sof)
return;
cpt_sof = 0;
// Scan buttons on switch 0, 1 and 2
b_btn_state = (gpio_pin_is_low(GPIO_PUSH_BUTTON_0)) ? true : false;
if (b_btn_state != btn0_last_state) {
ui_hid_report[0]=b_btn_state;
udi_hid_generic_send_report_in(ui_hid_report);
btn0_last_state = b_btn_state;
}
b_btn_state = (gpio_pin_is_low(GPIO_PUSH_BUTTON_1)) ? true : false;
if (b_btn_state != btn1_last_state) {
ui_hid_report[0]=b_btn_state;
udi_hid_generic_send_report_in(ui_hid_report);
btn1_last_state = b_btn_state;
}
b_btn_state = (gpio_pin_is_low(GPIO_PUSH_BUTTON_2)) ? true : false;
if (b_btn_state != btn2_last_state) {
ui_hid_report[0]=b_btn_state;
udi_hid_generic_send_report_in(ui_hid_report);
btn2_last_state = b_btn_state;
}
// Scan QTouch button
b_btn_state = (!check_touch_key_pressed()) ? true : false;
if (b_btn_state != btnq_last_state) {
ui_hid_report[0]=b_btn_state;
udi_hid_generic_send_report_in(ui_hid_report);
btnq_last_state = b_btn_state;
}
}
/**
* \brief Check the status of the keyboard
*
* \param keybuffer a keyboard_event struct to store keyboard status
*/
void keyboard_get_key_state(struct keyboard_event *keybuffer)
{
// Variable to hold the key mask
static uint8_t key_state;
char key;
if ((gpio_pin_is_low(GPIO_PUSH_BUTTON_0)) &&
!(key_state & KEYBOARD_ENTER_MASK)) {
// Key pressed
key_state |= KEYBOARD_ENTER_MASK;
keybuffer->keycode = KEYBOARD_ENTER;
keybuffer->type = KEYBOARD_PRESS;
} else if ((gpio_pin_is_high(GPIO_PUSH_BUTTON_0))
&& (key_state & KEYBOARD_ENTER_MASK)) {
// Key released
key_state &= ~KEYBOARD_ENTER_MASK;
keybuffer->keycode = KEYBOARD_ENTER;
keybuffer->type = KEYBOARD_RELEASE;
} else if ((gpio_pin_is_low(GPIO_PUSH_BUTTON_1)) &&
!(key_state & KEYBOARD_UP_MASK)) {
// Key pressed
key_state |= KEYBOARD_UP_MASK;
keybuffer->keycode = KEYBOARD_UP;
keybuffer->type = KEYBOARD_PRESS;
} else if ((gpio_pin_is_high(GPIO_PUSH_BUTTON_1))
&& (key_state & KEYBOARD_UP_MASK)) {
// Key released
key_state &= ~KEYBOARD_UP_MASK;
keybuffer->keycode = KEYBOARD_UP;
keybuffer->type = KEYBOARD_RELEASE;
} else if ((gpio_pin_is_low(GPIO_PUSH_BUTTON_2)) &&
!(key_state & KEYBOARD_DOWN_MASK)) {
// Key pressed
key_state |= KEYBOARD_DOWN_MASK;
keybuffer->keycode = KEYBOARD_DOWN;
keybuffer->type = KEYBOARD_PRESS;
} else if ((gpio_pin_is_high(GPIO_PUSH_BUTTON_2))
&& (key_state & KEYBOARD_DOWN_MASK)) {
// Key released
key_state &= ~KEYBOARD_DOWN_MASK;
keybuffer->keycode = KEYBOARD_DOWN;
keybuffer->type = KEYBOARD_RELEASE;
// touch key
} else if ((check_touch_key_pressed()) &&
!(key_state & KEYBOARD_BACK_MASK)) {
// Touch key pressed
key_state |= KEYBOARD_BACK_MASK;
keybuffer->keycode = KEYBOARD_BACK;
keybuffer->type = KEYBOARD_PRESS;
} else if ((!check_touch_key_pressed()) &&
(key_state & KEYBOARD_BACK_MASK)) {
// Touch key released
key_state &= ~KEYBOARD_BACK_MASK;
keybuffer->keycode = KEYBOARD_BACK;
keybuffer->type = KEYBOARD_RELEASE;
} else if ((key = cdc_getkey()) != KEYBOARD_NO_KEY) {
keybuffer->keycode = key;
keybuffer->type = KEYBOARD_RELEASE;
} else {
keybuffer->keycode = KEYBOARD_NO_KEY;
keybuffer->type = KEYBOARD_NO_EVENT;
}
}
