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/*
* MIT License
*
* Copyright (c) 2020 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_extint.h"
// this warning only appears when you `make BOARD=OSO-SWAT-A1-02`. it's annoying,
// but i'd rather have it warn us at build-time than fail silently at run-time.
// besides, no one but me really has any of these boards anyway.
#if BTN_ALARM != GPIO(GPIO_PORTA, 2)
#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.
#endif
static uint32_t watch_backup_data[8];
void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback, bool level) {
if (pin == BTN_ALARM) {
watch_enable_external_interrupts();
watch_register_interrupt_callback(pin, callback, level ? INTERRUPT_TRIGGER_RISING : INTERRUPT_TRIGGER_FALLING);
}
}
void watch_disable_extwake_interrupt(uint8_t pin) {
if (pin == BTN_ALARM) {
watch_register_interrupt_callback(pin, NULL, INTERRUPT_TRIGGER_NONE);
}
}
void watch_store_backup_data(uint32_t data, uint8_t reg) {
if (reg < 8) {
watch_backup_data[reg] = data;
}
}
uint32_t watch_get_backup_data(uint8_t reg) {
if (reg < 8) {
return watch_backup_data[reg];
}
return 0;
}
void watch_enter_sleep_mode(void) {
// TODO: (a2) hook to UI
// enter standby (4); we basically hang out here until an interrupt wakes us.
// sleep(4);
// call app_setup so the app can re-enable everything we disabled.
app_setup();
// and call app_wake_from_standby (since main won't have a chance to do it)
app_wake_from_standby();
}
void watch_enter_deep_sleep_mode(void) {
// identical to sleep mode except we disable the LCD first.
// TODO: (a2) hook to UI
watch_enter_sleep_mode();
}
void watch_enter_backup_mode(void) {
// TODO: (a2) hook to UI
// go into backup sleep mode (5). when we exit, the reset controller will take over.
// sleep(5);
}
// deprecated
void watch_enter_shallow_sleep(bool display_on) {
if (display_on) watch_enter_sleep_mode();
else watch_enter_deep_sleep_mode();
}
// deprecated
void watch_enter_deep_sleep(void) {
watch_register_extwake_callback(BTN_ALARM, NULL, true);
watch_enter_backup_mode();
}
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