86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
ext_irq_cb_t a2_callback;
|
|
ext_irq_cb_t d1_callback;
|
|
|
|
static void extwake_callback(uint8_t reason) {
|
|
if (reason & RTC_TAMPID_TAMPID2) {
|
|
if (btn_alarm_callback != NULL) btn_alarm_callback();
|
|
} else if (reason & RTC_TAMPID_TAMPID1) {
|
|
if (a2_callback != NULL) a2_callback();
|
|
} else if (reason & RTC_TAMPID_TAMPID0) {
|
|
if (d1_callback != NULL) d1_callback();
|
|
}
|
|
}
|
|
|
|
void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback) {
|
|
uint32_t pinmux;
|
|
if (pin == D1) {
|
|
d1_callback = callback;
|
|
pinmux = PINMUX_PB00G_RTC_IN0;
|
|
} else if (pin == A2) {
|
|
a2_callback = callback;
|
|
pinmux = PINMUX_PB02G_RTC_IN1;
|
|
} else {
|
|
return;
|
|
}
|
|
gpio_set_pin_direction(pin, GPIO_DIRECTION_IN);
|
|
gpio_set_pin_function(pin, pinmux);
|
|
_extwake_register_callback(&CALENDAR_0.device, extwake_callback);
|
|
}
|
|
|
|
void watch_store_backup_data(uint32_t data, uint8_t reg) {
|
|
if (reg < 8) {
|
|
RTC->MODE0.BKUP[reg].reg = data;
|
|
}
|
|
}
|
|
|
|
uint32_t watch_get_backup_data(uint8_t reg) {
|
|
if (reg < 8) {
|
|
return RTC->MODE0.BKUP[reg].reg;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void watch_enter_deep_sleep() {
|
|
// enable and configure the external wake interrupt, if not already set up.
|
|
if (btn_alarm_callback == NULL && a2_callback == NULL && d1_callback == NULL) {
|
|
gpio_set_pin_direction(BTN_ALARM, GPIO_DIRECTION_IN);
|
|
gpio_set_pin_pull_mode(BTN_ALARM, GPIO_PULL_DOWN);
|
|
gpio_set_pin_function(BTN_ALARM, PINMUX_PA02G_RTC_IN2);
|
|
_extwake_register_callback(&CALENDAR_0.device, extwake_callback);
|
|
}
|
|
|
|
// disable SLCD
|
|
slcd_sync_deinit(&SEGMENT_LCD_0);
|
|
hri_mclk_clear_APBCMASK_SLCD_bit(SLCD);
|
|
|
|
// TODO: disable other peripherals
|
|
|
|
// go into backup sleep mode
|
|
sleep(5);
|
|
}
|