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Merge pull request #6 from maholli/samd-sleep-v1

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cherry-picked original hierophect commit and merged with my samd `alarm` (deep sleep) work
This commit is contained in:
Max Holliday 2021-10-03 17:17:02 -06:00 committed by GitHub
commit 9f0cb0e0c5
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 247 additions and 25 deletions
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16
ports/atmel-samd/boards/pycubed/mpconfigboard.mk
View File

@ -12,15 +12,25 @@ LONGINT_IMPL = MPZ
CIRCUITPY_DRIVE_LABEL = "PYCUBED"
# Not needed.
CIRCUITPY_ULAB = 1
CIRCUITPY_BINASCII = 1
CIRCUITPY_SDCARDIO = 1
CIRCUITPY_JSON = 1
CIRCUITPY_MSGPACK = 1
CIRCUITPY_ALARM = 1
# no SAMD51 support... yet ;)
# CIRCUITPY_DUALBANK=1
# Not needed
CIRCUITPY_AUDIOBUSIO = 0
CIRCUITPY_BITMAPTOOLS = 0
CIRCUITPY_DISPLAYIO = 0
CIRCUITPY_FRAMEBUFFERIO = 0
CIRCUITPY_KEYPAD = 0
CIRCUITPY_RGBMATRIX = 0
CIRCUITPY_PS2IO = 0
CIRCUITPY_BLEIO_HCI=0
CIRCUITPY_BLEIO=0
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_NeoPixel
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_Register
FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_SD

4
ports/atmel-samd/boards/pycubed_v05/mpconfigboard.mk
View File

@ -11,14 +11,16 @@ EXTERNAL_FLASH_DEVICE_COUNT = 1
EXTERNAL_FLASH_DEVICES = W25Q80DV
LONGINT_IMPL = MPZ
CIRCUITPY_DRIVE_LABEL = "PYCUBED"
CIRCUITPY_ULAB = 1
CIRCUITPY_BINASCII = 1
CIRCUITPY_SDCARDIO = 1
CIRCUITPY_JSON = 1
CIRCUITPY_MSGPACK = 1
CIRCUITPY_ALARM = 1
# no SAMD51 support... yet ;)
# CIRCUITPY_ALARM = 1
# CIRCUITPY_DUALBANK=1
# Not needed

1
ports/atmel-samd/common-hal/alarm/SleepMemory.c
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@ -28,6 +28,7 @@
#include "py/runtime.h"
#include "common-hal/alarm/SleepMemory.h"
#include "shared-bindings/nvm/ByteArray.h"
void alarm_sleep_memory_reset(void) {

2
ports/atmel-samd/common-hal/alarm/SleepMemory.h
View File

@ -31,6 +31,8 @@
typedef struct {
mp_obj_base_t base;
uint8_t *start_address;
uint8_t len;
} alarm_sleep_memory_obj_t;
extern void alarm_sleep_memory_reset(void);

124
ports/atmel-samd/common-hal/alarm/__init__.c
View File

@ -29,6 +29,7 @@
#include "py/objtuple.h"
#include "py/runtime.h"
#include "lib/utils/interrupt_char.h"
// #include <stdio.h>
#include "shared-bindings/alarm/__init__.h"
#include "shared-bindings/alarm/SleepMemory.h"
@ -36,7 +37,7 @@
#include "shared-bindings/alarm/time/TimeAlarm.h"
#include "shared-bindings/microcontroller/__init__.h"
#include "samd/external_interrupts.h"
#include "supervisor/port.h"
#include "supervisor/workflow.h"
@ -46,8 +47,9 @@ const alarm_sleep_memory_obj_t alarm_sleep_memory_obj = {
.type = &alarm_sleep_memory_type,
},
};
// TODO: make a custom enum to avoid weird values like PM_SLEEPCFG_SLEEPMODE_BACKUP_Val?
STATIC volatile uint32_t _target;
STATIC bool fake_sleep;
void alarm_reset(void) {
// Reset the alarm flag
@ -64,8 +66,14 @@ samd_sleep_source_t alarm_get_wakeup_cause(void) {
if (alarm_time_timealarm_woke_this_cycle()) {
return SAMD_WAKEUP_RTC;
}
// TODO: for deep sleep, manually determine how the chip woke up
// TODO: try checking the interrupt flag tables for RTC TAMPER vs COMPARE
if (RSTC->RCAUSE.bit.BACKUP) {
// not able to detect PinAlarm wake since registers are getting reset
// TODO: come up with a way to detect a TAMPER
if (RTC->MODE0.TAMPID.reg || RTC->MODE0.INTFLAG.bit.TAMPER) {
return SAMD_WAKEUP_GPIO;
}
return SAMD_WAKEUP_RTC;
}
return SAMD_WAKEUP_UNDEF;
}
@ -96,6 +104,7 @@ mp_obj_t common_hal_alarm_create_wake_alarm(void) {
STATIC void _setup_sleep_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
alarm_pin_pinalarm_set_alarms(deep_sleep, n_alarms, alarms);
alarm_time_timealarm_set_alarms(deep_sleep, n_alarms, alarms);
fake_sleep = false;
}
mp_obj_t common_hal_alarm_light_sleep_until_alarms(size_t n_alarms, const mp_obj_t *alarms) {
@ -126,10 +135,34 @@ mp_obj_t common_hal_alarm_light_sleep_until_alarms(size_t n_alarms, const mp_obj
// TODO: the SAMD implementation of this (purportedly) disables interrupts
// Presumably this doesn't impact the RTC interrupts, somehow, or it would never wake up?
// Will it prevent an external interrupt from waking?
port_idle_until_interrupt();
// port_idle_until_interrupt();
// Alternative would be `sleep(PM_SLEEPCFG_SLEEPMODE_IDLE2_Val)`, I think?
// ATTEMPT ------------------------------
// This works but achieves same power consumption as time.sleep()
// Clear the FPU interrupt because it can prevent us from sleeping.
if (__get_FPSCR() & ~(0x9f)) {
__set_FPSCR(__get_FPSCR() & ~(0x9f));
(void)__get_FPSCR();
}
// Disable RTC interrupts
NVIC_DisableIRQ(RTC_IRQn);
// Set standby power domain stuff
PM->STDBYCFG.reg = PM_STDBYCFG_RAMCFG_OFF;
// Set-up Sleep Mode
PM->SLEEPCFG.reg = PM_SLEEPCFG_SLEEPMODE_STANDBY;
while(PM->SLEEPCFG.bit.SLEEPMODE != PM_SLEEPCFG_SLEEPMODE_STANDBY_Val);
__DSB(); // Data Synchronization Barrier
__WFI(); // Wait For Interrupt
// Enable RTC interrupts
NVIC_EnableIRQ(RTC_IRQn);
// END ATTEMPT ------------------------------
}
if (mp_hal_is_interrupted()) {
return mp_const_none; // Shouldn't be given to python code because exception handling should kick in.
}
@ -145,25 +178,98 @@ void common_hal_alarm_set_deep_sleep_alarms(size_t n_alarms, const mp_obj_t *ala
void NORETURN common_hal_alarm_enter_deep_sleep(void) {
alarm_pin_pinalarm_prepare_for_deep_sleep();
alarm_time_timealarm_prepare_for_deep_sleep();
_target = RTC->MODE0.COMP[1].reg;
port_disable_tick(); // TODO: Required for SAMD?
// Set a flag in the backup registers to indicate sleep wakeup
SAMD_ALARM_FLAG = 0x01;
// TODO: make sure this actually works, or replace with extracted register version
// sleep(PM_SLEEPCFG_SLEEPMODE_BACKUP_Val);
// Clear the FPU interrupt because it can prevent us from sleeping.
if (__get_FPSCR() & ~(0x9f)) {
__set_FPSCR(__get_FPSCR() & ~(0x9f));
(void)__get_FPSCR();
}
// The above shuts down RAM, so we should never hit this
// PinAlarm (hacky way of checking if time alarm or pin alarm)
if (RTC->MODE0.INTENSET.bit.TAMPER) {
// Disable interrupts
NVIC_DisableIRQ(RTC_IRQn);
// Must disable the RTC before writing to EVCTRL and TMPCTRL
RTC->MODE0.CTRLA.bit.ENABLE = 0; // Disable the RTC
while (RTC->MODE0.SYNCBUSY.bit.ENABLE); // Wait for synchronization
RTC->MODE0.CTRLA.bit.SWRST = 1; // Software reset the RTC
while (RTC->MODE0.SYNCBUSY.bit.SWRST); // Wait for synchronization
RTC->MODE0.CTRLA.reg = RTC_MODE0_CTRLA_PRESCALER_DIV1024 | // Set prescaler to 1024
RTC_MODE0_CTRLA_MODE_COUNT32; // Set RTC to mode 0, 32-bit timer
// TODO: map requested pin to limited selection of TAMPER pins
RTC->MODE0.TAMPCTRL.bit.DEBNC2 = 1; // Edge triggered when INn is stable for 4 CLK_RTC_DEB periods
RTC->MODE0.TAMPCTRL.bit.TAMLVL2 = 1; // rising edge
//PA02 = IN2
RTC->MODE0.TAMPCTRL.bit.IN2ACT = 1; // WAKE on IN2 (doesn't save timestamp)
// Enable interrupts
NVIC_SetPriority(RTC_IRQn, 0);
NVIC_EnableIRQ(RTC_IRQn);
// Set interrupts for TAMPER or overflow
RTC->MODE0.INTENSET.reg = RTC_MODE0_INTENSET_TAMPER;
// TimeAlarm
} else {
// Retrieve COMP1 value before resetting RTC
// Disable interrupts
NVIC_DisableIRQ(RTC_IRQn);
// Must disable the RTC before writing to EVCTRL and TMPCTRL
RTC->MODE0.CTRLA.bit.ENABLE = 0; // Disable the RTC
while (RTC->MODE0.SYNCBUSY.bit.ENABLE); // Wait for synchronization
RTC->MODE0.CTRLA.bit.SWRST = 1; // Software reset the RTC
while (RTC->MODE0.SYNCBUSY.bit.SWRST); // Wait for synchronization
RTC->MODE0.CTRLA.reg = RTC_MODE0_CTRLA_PRESCALER_DIV1024 | // Set prescaler to 1024
RTC_MODE0_CTRLA_MODE_COUNT32; // Set RTC to mode 0, 32-bit timer
RTC->MODE0.COMP[1].reg = (_target/1024) * 32;
while(RTC->MODE0.SYNCBUSY.reg);
// Enable interrupts
NVIC_SetPriority(RTC_IRQn, 0);
NVIC_EnableIRQ(RTC_IRQn);
// Set interrupts for COMPARE1 or overflow
RTC->MODE0.INTENSET.reg = RTC_MODE0_INTENSET_CMP1 | RTC_MODE1_INTENSET_OVF;
}
// Set-up Deep Sleep Mode
// RAM retention
PM->BKUPCFG.reg = PM_BKUPCFG_BRAMCFG(0x2); // No RAM retention 0x2 partial:0x1
while (PM->BKUPCFG.bit.BRAMCFG != 0x2); // Wait for synchronization
PM->SLEEPCFG.reg = PM_SLEEPCFG_SLEEPMODE_BACKUP;
while(PM->SLEEPCFG.bit.SLEEPMODE != PM_SLEEPCFG_SLEEPMODE_BACKUP_Val);
RTC->MODE0.CTRLA.bit.ENABLE = 1; // Enable the RTC
while (RTC->MODE0.SYNCBUSY.bit.ENABLE); // Wait for synchronization
__DSB(); // Data Synchronization Barrier
__WFI(); // Wait For Interrupt
// The above shuts down RAM and triggers a reset, so we should never hit this
while (1) {
;
}
}
void common_hal_alarm_pretending_deep_sleep(void) {
MP_NOINLINE void common_hal_alarm_pretending_deep_sleep(void) {
// TODO:
// If tamper detect interrupts cannot be used to wake from the Idle tier of sleep,
// This section will need to re-initialize the pins to allow the PORT peripheral
// to generate external interrupts again. See STM32 for reference.
if (!fake_sleep) {
SAMD_ALARM_FLAG = 1;
while(RTC->MODE0.SYNCBUSY.reg);
fake_sleep = true;
} else {
port_idle_until_interrupt();
}
}
void common_hal_alarm_gc_collect(void) {

71
ports/atmel-samd/common-hal/alarm/pin/PinAlarm.c
View File

@ -25,6 +25,12 @@
*/
#include "py/runtime.h"
#include "samd/external_interrupts.h"
#include "eic_handler.h"
#include "atmel_start_pins.h"
#include "hal/include/hal_gpio.h"
#include <stdio.h>
#include "shared-bindings/alarm/pin/PinAlarm.h"
#include "shared-bindings/microcontroller/__init__.h"
@ -33,34 +39,63 @@
// This variable stores whether a PinAlarm woke in light sleep or fake deep sleep
// It CANNOT detect if the program woke from deep sleep.
STATIC bool woke_up;
STATIC bool deep_wkup_enabled;
// TODO: Create tables here reserving IRQ instances, and for the IRQ
// callback to store what pin triggered the interrupt
// STATIC bool reserved_alarms[SOME_VAL];
// STATIC uint16_t triggered_pins[SOME_VAL];
STATIC void pin_alarm_callback(uint8_t num) { // parameters can be changed
void pin_alarm_callback(uint8_t num) { // parameters can be changed
// TODO: This is responsible for resetting the IRQ (so it doesn't
// go off constantly, and recording what pin was responsible for
// the trigger. This will only work for light sleep/fake deep
// sleep, in conjunction with the find_triggered_alarm function
// Turn off interrupts while in handler
// printf("Woke up from pin!!\n");
// printf("EIC Flags: %lu\n",EIC->INTFLAG.reg);
// QUESTION: How to reference the correct EIC?
// set_eic_handler(self->channel, EIC_HANDLER_NO_INTERRUPT);
// turn_off_eic_channel(self->channel);
// reset_pin_number(self->pin);
woke_up = true;
}
void common_hal_alarm_pin_pinalarm_construct(alarm_pin_pinalarm_obj_t *self, const mcu_pin_obj_t *pin, bool value, bool edge, bool pull) {
mp_raise_NotImplementedError(translate("PinAlarms not available"));
// Tamper Pins: IN0:PB00; IN1:PB02; IN2:PA02; IN3:PC00; IN4:PC01; OUT:PB01
// TODO: Catch edge or level mode if not supported
// if (!edge) {
// mp_raise_NotImplementedError(translate("Only edge detection is available on this hardware"));
// }
if (!pin->has_extint) {
mp_raise_RuntimeError(translate("No hardware support on pin"));
}
if (eic_get_enable()) {
if (!eic_channel_free(pin->extint_channel)) {
mp_raise_RuntimeError(translate("A hardware interrupt channel is already in use"));
}
} else {
turn_on_external_interrupt_controller();
}
// TODO: determine if pin has an interrupt channel available
// TODO: set pin pull settings, input/output, etc
// QUESTION: can PORT/EVSYS interrupts (lightsleep) coexist with RTC->TAMPER (deepsleep) settings?
// Actual initialization of the interrupt should be delayed until set_alarm
self->channel = pin->extint_channel;
self->pin = pin;
self->value = value;
self->pull = pull;
gpio_set_pin_function(pin->number, GPIO_PIN_FUNCTION_A);
if (self->pull) {
gpio_set_pin_pull_mode(pin->number, GPIO_PULL_UP);
} else {
gpio_set_pin_pull_mode(pin->number, GPIO_PULL_DOWN);
}
set_eic_channel_data(self->channel, (void *)self);
claim_pin(self->pin);
}
const mcu_pin_obj_t *common_hal_alarm_pin_pinalarm_get_pin(alarm_pin_pinalarm_obj_t *self) {
@ -81,6 +116,10 @@ bool common_hal_alarm_pin_pinalarm_get_pull(alarm_pin_pinalarm_obj_t *self) {
}
bool alarm_pin_pinalarm_woke_this_cycle(void) {
if (RTC->MODE0.INTFLAG.bit.TAMPER){
woke_up = true;
RTC->MODE0.INTENCLR.bit.TAMPER = 1; // clear flag and interrupt setting
}
return woke_up;
}
@ -90,10 +129,15 @@ mp_obj_t alarm_pin_pinalarm_find_triggered_alarm(size_t n_alarms, const mp_obj_t
continue;
}
alarm_pin_pinalarm_obj_t *alarm = MP_OBJ_TO_PTR(alarms[i]);
(void)alarm;
// TODO: Determine whether any pins have been marked as
// triggering the alarm (using the static vars at
// start of file) and if so return that alarm.
}
// Return nothing if no matching alarms are found.
return mp_const_none;
@ -115,6 +159,9 @@ void alarm_pin_pinalarm_reset(void) {
// sure to clear any reserved tables, deinit both PORT and TAMPER
// settings, etc. If flags are set to indicate this module is in
// use, reset them.
// Disable TAMPER interrupt
RTC->MODE0.INTENCLR.bit.TAMPER = 1;
}
void alarm_pin_pinalarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
@ -124,6 +171,15 @@ void alarm_pin_pinalarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_ob
if (mp_obj_is_type(alarms[i], &alarm_pin_pinalarm_type)) {
alarm_pin_pinalarm_obj_t *alarm = MP_OBJ_TO_PTR(alarms[i]);
if (deep_sleep) {
// Tamper Pins: IN0:PB00; IN1:PB02; IN2:PA02; IN3:PC00; IN4:PC01; OUT:PB01
// Only these pins can do TAMPER
if (alarm->pin != &pin_PB00 && alarm->pin != &pin_PB02 &&
alarm->pin != &pin_PA02) {
mp_raise_ValueError(translate("Pin cannot wake from Deep Sleep"));
}
deep_wkup_enabled = true;
// Set tamper interrupt so deep sleep knows that's the intent
RTC->MODE0.INTENSET.reg = RTC_MODE0_INTENSET_TAMPER;
// TODO: Set up deep sleep alarms.
// For deep sleep alarms, first check if the
// alarm pin value is valid for RTC->TAMPER. Ensure
@ -138,6 +194,11 @@ void alarm_pin_pinalarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_ob
// `alarm_pin_pinalarm_prepare_for_deep_sleep`
// below.
} // use else-if here if RTC-TAMPER can wake from IDLE
else {
// Light sleep so turn on EIC channel
set_eic_handler(alarm->channel, EIC_HANDLER_ALARM);
turn_on_eic_channel(alarm->channel, EIC_CONFIG_SENSE0_RISE_Val);
}
// TODO: Set up light sleep / fake deep sleep alarms.
// PORT/EVSYS should have more valid pin combinations

2
ports/atmel-samd/common-hal/alarm/pin/PinAlarm.h
View File

@ -35,11 +35,13 @@ typedef struct {
const mcu_pin_obj_t *pin;
bool value;
bool pull;
uint8_t channel;
} alarm_pin_pinalarm_obj_t;
mp_obj_t alarm_pin_pinalarm_find_triggered_alarm(size_t n_alarms, const mp_obj_t *alarms);
mp_obj_t alarm_pin_pinalarm_create_wakeup_alarm(void);
void pin_alarm_callback(uint8_t num);
void alarm_pin_pinalarm_reset(void);
void alarm_pin_pinalarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
void alarm_pin_pinalarm_prepare_for_deep_sleep(void);

27
ports/atmel-samd/common-hal/alarm/time/TimeAlarm.c
View File

@ -25,6 +25,9 @@
*/
#include "py/runtime.h"
#include "hpl/pm/hpl_pm_base.h"
// #include <stdio.h>
// #include "shared-bindings/microcontroller/__init__.h"
#include "shared-bindings/alarm/time/TimeAlarm.h"
#include "shared-bindings/time/__init__.h"
@ -37,6 +40,10 @@ void common_hal_alarm_time_timealarm_construct(alarm_time_timealarm_obj_t *self,
// TODO: throw a ValueError if the input time exceeds the maximum
// value of the Compare register. This must be calculated from the
// setup values in port.c. Should be ~3 days. Give it some margin.
//
// UPDATE: for deep sleep at least, it's far more than 3 days since
// prescalar is set to 1024. (2^32)/32 seconds so >1500 days?
self->monotonic_time = monotonic_time;
}
@ -64,7 +71,8 @@ mp_obj_t alarm_time_timealarm_create_wakeup_alarm(void) {
return timer;
}
STATIC void timer_callback(void) {
void timer_callback(void) {
RTC->MODE0.INTENCLR.reg = RTC_MODE0_INTENCLR_CMP1 | RTC_MODE0_INTENCLR_CMP0 | RTC_MODE0_INTENCLR_OVF; // clear flags
woke_up = true;
}
@ -77,6 +85,8 @@ void alarm_time_timealarm_reset(void) {
}
void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
// Turn on debug control
RTC->MODE0.DBGCTRL.bit.DBGRUN = 1;
// Search through alarms for TimeAlarm instances, and check that there's only one
bool timealarm_set = false;
alarm_time_timealarm_obj_t *timealarm = MP_OBJ_NULL;
@ -100,13 +110,20 @@ void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_
uint32_t wakeup_in_ticks = wakeup_in_secs * 1024;
// In the deep sleep case, we can't start the timer until the USB delay has finished
// (othersise it will go off while USB enumerates, and we'll risk entering deep sleep
// (otherwise it will go off while USB enumerates, and we'll risk entering deep sleep
// without any way to wake up again)
if (deep_sleep) {
deep_sleep_ticks = wakeup_in_ticks;
} else {
deep_sleep_ticks = 0;
}
// Set COMP1 for fake sleep. This will be reset for real deep sleep anyways.
RTC->MODE0.COMP[1].reg = wakeup_in_ticks;
while (RTC->MODE0.SYNCBUSY.reg);
// This is set for fake sleep. Max fake sleep time is ~72 hours
// True deep sleep isn't limited by this
port_interrupt_after_ticks(wakeup_in_ticks);
// TODO: set up RTC->COMP[1] and create a callback pointing to
// timer_callback. See atmel-samd/supervisor/port.c -> _port_interrupt_after_ticks()
@ -116,6 +133,8 @@ void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_
// If true deep sleep is called, it will either ignore or overwrite the above setup depending on
// whether it is shorter or longer than the USB delay
// printf("set deep alarm finished\n");
}
void alarm_time_timealarm_prepare_for_deep_sleep(void) {
@ -124,6 +143,10 @@ void alarm_time_timealarm_prepare_for_deep_sleep(void) {
// Just do the exact same setup as alarm_time_timealarm_set_alarms(). Note, this
// is used for both fake and real deep sleep, so it still needs the callback.
// See STM32 for reference.
// RTC->MODE0.COMP[1].reg = deep_sleep_ticks;
// while ((RTC->MODE0.SYNCBUSY.reg & (RTC_MODE0_SYNCBUSY_COMP1)) != 0) {
// }
deep_sleep_ticks = 0;
}
}

6
ports/atmel-samd/common-hal/alarm/time/TimeAlarm.h
View File

@ -36,11 +36,11 @@ typedef struct {
mp_obj_t alarm_time_timealarm_find_triggered_alarm(size_t n_alarms, const mp_obj_t *alarms);
mp_obj_t alarm_time_timealarm_create_wakeup_alarm(void);
void timer_callback(void);
bool alarm_time_timealarm_woke_this_cycle(void);
void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
uint32_t alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
void alarm_time_timealarm_reset(void);
void alarm_time_timealarm_prepare_for_deep_sleep(void);
uint32_t alarm_time_timealarm_prepare_for_deep_sleep(void);
#endif // MICROPY_INCLUDED_ATMEL_SAMD_COMMON_HAL_ALARM_TIMEALARM_H

7
ports/atmel-samd/eic_handler.c
View File

@ -29,6 +29,7 @@
#include "common-hal/rotaryio/IncrementalEncoder.h"
#include "common-hal/countio/Counter.h"
#include "shared-bindings/microcontroller/__init__.h"
#include "common-hal/alarm/pin/PinAlarm.h"
// #include "samd/external_interrupts.h"
#include "eic_handler.h"
@ -66,6 +67,12 @@ void shared_eic_handler(uint8_t channel) {
break;
#endif
#if CIRCUITPY_ALARM
case EIC_HANDLER_ALARM:
pin_alarm_callback(channel);
break;
#endif
default:
break;
}

3
ports/atmel-samd/mpconfigport.mk
View File

@ -98,8 +98,9 @@ CIRCUITPY_TOUCHIO_USE_NATIVE = 0
# The ?='s allow overriding in mpconfigboard.mk.
CIRCUITPY_ALARM ?= 0
CIRCUITPY_PS2IO ?= 1
PY_PS2IO ?= 1
CIRCUITPY_SAMD ?= 1
CIRCUITPY_RGBMATRIX ?= $(CIRCUITPY_FULL_BUILD)
CIRCUITPY_FRAMEBUFFERIO ?= $(CIRCUITPY_FULL_BUILD)

7
ports/atmel-samd/supervisor/port.c
View File

@ -53,6 +53,7 @@
#error Unknown chip family
#endif
#include "common-hal/alarm/__init__.h"
#include "common-hal/analogio/AnalogIn.h"
#include "common-hal/analogio/AnalogOut.h"
#include "common-hal/audiobusio/PDMIn.h"
@ -77,6 +78,7 @@
#include "samd/dma.h"
#include "shared-bindings/microcontroller/__init__.h"
#include "shared-bindings/rtc/__init__.h"
#include "shared-bindings/alarm/time/TimeAlarm.h"
#include "shared_timers.h"
#include "reset.h"
@ -496,6 +498,11 @@ void RTC_Handler(void) {
// SAMD21 ticks are handled by EVSYS
#ifdef SAM_D5X_E5X
RTC->MODE0.INTENCLR.reg = RTC_MODE0_INTENCLR_CMP0;
// Check if we're sleeping
if (SAMD_ALARM_FLAG){
timer_callback();
SAMD_ALARM_FLAG = 0;
}
#endif
}
}