/* * MIT License * * Copyright (c) 2021 Joey Castillo * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "watch.h" #include "watch_rtc.c" #include "watch_slcd.c" #include "watch_extint.c" #include "watch_led.c" #include "watch_buzzer.c" #include "watch_adc.c" #include "watch_gpio.c" #include "watch_i2c.c" #include "watch_uart.c" #include "watch_deepsleep.c" #include "watch_private.c" bool battery_is_low = false; // receives interrupts from MCLK, OSC32KCTRL, OSCCTRL, PAC, PM, SUPC and TAL, whatever that is. void SYSTEM_Handler(void) { if (SUPC->INTFLAG.bit.BOD33DET) { battery_is_low = true; SUPC->INTENCLR.bit.BOD33DET = 1; SUPC->INTFLAG.reg &= ~SUPC_INTFLAG_BOD33DET; } } bool watch_is_battery_low() { return battery_is_low; }