diff options
Diffstat (limited to 'watch-library/watch/watch_deepsleep.c')
| -rw-r--r-- | watch-library/watch/watch_deepsleep.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/watch-library/watch/watch_deepsleep.c b/watch-library/watch/watch_deepsleep.c index a69ba66c..b7da82ee 100644 --- a/watch-library/watch/watch_deepsleep.c +++ b/watch-library/watch/watch_deepsleep.c @@ -22,6 +22,8 @@ * 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. @@ -29,24 +31,9 @@ #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 void extwake_callback(uint8_t reason); -ext_irq_cb_t btn_alarm_callback; -ext_irq_cb_t a2_callback; -ext_irq_cb_t a4_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 (a4_callback != NULL) a4_callback(); - } -} - void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback, bool level) { uint32_t pinmux; - hri_rtc_tampctrl_reg_t config = hri_rtc_get_TAMPCTRL_reg(RTC, 0xFFFFFFFF); + hri_rtc_tampctrl_reg_t config = RTC->MODE2.TAMPCTRL.reg; switch (pin) { case A4: @@ -84,16 +71,17 @@ void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback, bool le gpio_set_pin_function(pin, pinmux); // disable the RTC - if (hri_rtcmode0_get_CTRLA_ENABLE_bit(RTC)) { - hri_rtcmode0_clear_CTRLA_ENABLE_bit(RTC); - hri_rtcmode0_wait_for_sync(RTC, RTC_MODE0_SYNCBUSY_ENABLE); - } + RTC->MODE2.CTRLA.bit.ENABLE = 0; + while (RTC->MODE2.SYNCBUSY.bit.ENABLE); + // update the configuration - hri_rtc_write_TAMPCTRL_reg(RTC, config); + RTC->MODE2.TAMPCTRL.reg = config; // re-enable the RTC - hri_rtcmode0_set_CTRLA_ENABLE_bit(RTC); + RTC->MODE2.CTRLA.bit.ENABLE = 1; - _extwake_register_callback(&CALENDAR_0.device, extwake_callback); + NVIC_ClearPendingIRQ(RTC_IRQn); + NVIC_EnableIRQ(RTC_IRQn); + RTC->MODE2.INTENSET.reg = RTC_MODE2_INTENSET_TAMPER; } void watch_disable_extwake_interrupt(uint8_t pin) { @@ -176,7 +164,7 @@ void watch_enter_shallow_sleep(char *message) { _watch_disable_all_peripherals_except_slcd(); // disable tick interrupt - watch_register_tick_callback(NULL); + watch_rtc_disable_all_periodic_callbacks(); // disable brownout detector interrupt, which could inadvertently wake us up. SUPC->INTENCLR.bit.BOD33DET = 1; @@ -202,7 +190,7 @@ void watch_enter_deep_sleep() { // so let's do it! watch_register_extwake_callback(BTN_ALARM, NULL, true); - watch_register_tick_callback(NULL); + watch_rtc_disable_all_periodic_callbacks(); _watch_disable_all_peripherals_except_slcd(); slcd_sync_deinit(&SEGMENT_LCD_0); hri_mclk_clear_APBCMASK_SLCD_bit(SLCD); |