static void target_keystatus()
{
keys_init();
if(target_volume_down())
keys_post_event(KEY_VOLUMEDOWN, 1);
}
static int getkey(void)
{
// small delay to prevent unwanted keypresses
spin(1000);
CHECK_AND_REPORT_KEY(KEY_UP, target_volume_up());
CHECK_AND_REPORT_KEY(KEY_DOWN, target_volume_down());
CHECK_AND_REPORT_KEY(KEY_RIGHT, target_power_key());
return 0;
}
static int event_source_poll(key_event_source_t* source) {
uint16_t value = target_power_key();
if(keys_set_report_key(source, 0, &value)){
keys_post_event(13, value);
}
value = target_volume_up();
if(keys_set_report_key(source, 1, &value)){
keys_post_event(KEY_VOLUMEUP, value);
}
value = target_volume_down();
if(keys_set_report_key(source, 2, &value)){
keys_post_event(KEY_VOLUMEDOWN, value);
}
return NO_ERROR;
}
/**
* Display the recovery PIN screen and set received buffer
* with the PIN the user has entered.
* The entered PIN will be validated by the calling function.
*/
static void display_get_pin_interface(char *entered_pin, uint32_t pin_length)
{
uint32_t previous_position = 0, current_position = 0;
display_initial_screen(pin_length);
display_enter_pin();
// Convert ascii to digits
for (uint32_t i=0; i<pin_length; i++)
{
entered_pin[i] -= '0';
}
display_selected_digit(g_pin_frames_x_location[0], g_pin_frames_y_location, entered_pin[0]);
display_digits_instructions();
while (1)
{
if (target_volume_up())
{
// current position is the OK button
if (current_position == pin_length)
{
// Convert digits to ascii and
// validate entered PIN in the calling function
for (uint32_t i=0; i<pin_length; i++)
{
entered_pin[i] += '0';
}
return;
}
// current position is a PIN slot
entered_pin[current_position] = (entered_pin[current_position]+1) % 10;
display_selected_digit(g_pin_frames_x_location[current_position], g_pin_frames_y_location, entered_pin[current_position]);
mdelay(MDTP_PRESSING_DELAY_MSEC);
}
if (target_volume_down())
{
previous_position = current_position;
current_position = (current_position+1) % (pin_length+1);
// previous position was the OK button
if (previous_position == pin_length)
{
clear_pin_message();
display_ok_button();
display_digits_instructions();
display_selected_digit(g_pin_frames_x_location[current_position], g_pin_frames_y_location, entered_pin[current_position]);
}
// current position is the OK button
else if (current_position == pin_length)
{
display_digit(g_pin_frames_x_location[previous_position], g_pin_frames_y_location, entered_pin[previous_position]);
clear_digits_instructions();
display_selected_ok_button();
display_pin_instructions();
}
// both the previous and the current positions are PIN slots
else
{
display_digit(g_pin_frames_x_location[previous_position], g_pin_frames_y_location, entered_pin[previous_position]);
display_selected_digit(g_pin_frames_x_location[current_position], g_pin_frames_y_location, entered_pin[current_position]);
}
mdelay(MDTP_PRESSING_DELAY_MSEC);
}
}
}
