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application: add flicker animations

This commit is contained in:
King Kévin 2018-10-28 22:25:56 +01:00
parent e9078e831e
commit ba5ea0a6b2
1 changed files with 23 additions and 0 deletions
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23
application.c
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@ -53,6 +53,9 @@
volatile bool rtc_internal_tick_flag = false; /**< flag set when internal RTC ticked */
/** @} */
/** if the strobe output should not flicker */
static bool flicker_off = true;
size_t putc(char c)
{
size_t length = 0; // number of characters printed
@ -388,6 +391,7 @@ void main(void)
// start main loop
bool action = false; // if an action has been performed don't go to sleep
button_flag = false; // reset button flag
bool flicker_on = false; // if the flicker strobe is currently on
while (true) { // infinite loop
iwdg_reset(); // kick the dog
if (user_input_available) { // user input is available
@ -421,6 +425,25 @@ void main(void)
}
led_off(); // notify user we received a code
}
if (!flicker_off) {
action = true; // prevent going to sleep
uint32_t time = rand();
if (flicker_on) {
time %= 1000;
if (time < 100) {
time = 100;
}
strobe_off();
} else {
time %= 100;
if (time < 10) {
time = 10;
}
strobe_on();
}
sleep_ms(time);
flicker_on = !flicker_on;
}
if (action) { // go to sleep if nothing had to be done, else recheck for activity
action = false;
} else {