add bluepill exception: don't blink LED which influences the RTC
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main.c
2
main.c
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@ -231,7 +231,9 @@ void main(void)
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}
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while (rtc_internal_tick_flag) { // the internal RTC ticked
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rtc_internal_tick_flag = false; // reset flag
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#if !defined(BLUE_PILL) // on the blue pill the LED is close to the 32.768 kHz oscillator and heavily influences it
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led_toggle(); // toggle LED (good to indicate if main function is stuck)
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#endif
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ticks_time = rtc_get_counter_val(); // copy time from internal RTC for processing
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action = true; // action has been performed
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if ((ticks_time%(60))==0) { // one minute passed
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