101 lines
3.3 KiB
C
101 lines
3.3 KiB
C
/*
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* MIT License
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*
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* Copyright (c) 2020 Joey Castillo
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "watch_extint.h"
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// this warning only appears when you `make BOARD=OSO-SWAT-A1-02`. it's annoying,
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// but i'd rather have it warn us at build-time than fail silently at run-time.
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// besides, no one but me really has any of these boards anyway.
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#if BTN_ALARM != GPIO(GPIO_PORTA, 2)
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#warning This board revision does not support external wake on BTN_ALARM, so watch_register_extwake_callback will not work with it. Use watch_register_interrupt_callback instead.
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#endif
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static uint32_t watch_backup_data[8];
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void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback, bool level) {
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if (pin == BTN_ALARM) {
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watch_enable_external_interrupts();
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watch_register_interrupt_callback(pin, callback, level ? INTERRUPT_TRIGGER_RISING : INTERRUPT_TRIGGER_FALLING);
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}
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}
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void watch_disable_extwake_interrupt(uint8_t pin) {
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if (pin == BTN_ALARM) {
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watch_register_interrupt_callback(pin, NULL, INTERRUPT_TRIGGER_NONE);
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}
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}
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void watch_store_backup_data(uint32_t data, uint8_t reg) {
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if (reg < 8) {
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watch_backup_data[reg] = data;
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}
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}
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uint32_t watch_get_backup_data(uint8_t reg) {
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if (reg < 8) {
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return watch_backup_data[reg];
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}
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return 0;
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}
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void watch_enter_sleep_mode(void) {
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// TODO: (a2) hook to UI
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// enter standby (4); we basically hang out here until an interrupt wakes us.
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// sleep(4);
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// call app_setup so the app can re-enable everything we disabled.
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app_setup();
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// and call app_wake_from_standby (since main won't have a chance to do it)
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app_wake_from_standby();
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}
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void watch_enter_deep_sleep_mode(void) {
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// identical to sleep mode except we disable the LCD first.
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// TODO: (a2) hook to UI
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watch_enter_sleep_mode();
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}
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void watch_enter_backup_mode(void) {
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// TODO: (a2) hook to UI
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// go into backup sleep mode (5). when we exit, the reset controller will take over.
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// sleep(5);
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}
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// deprecated
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void watch_enter_shallow_sleep(bool display_on) {
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if (display_on) watch_enter_sleep_mode();
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else watch_enter_deep_sleep_mode();
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}
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// deprecated
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void watch_enter_deep_sleep(void) {
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watch_register_extwake_callback(BTN_ALARM, NULL, true);
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watch_enter_backup_mode();
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}
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