Add alarm.pin that wakes on pin level

Fixes #3787
This commit is contained in:
Scott Shawcroft 2020-12-08 17:13:00 -08:00
parent f2204d7d88
commit 1ad49d9a18
No known key found for this signature in database
GPG Key ID: 0DFD512649C052DA
13 changed files with 361 additions and 76 deletions

14
main.c
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@ -260,10 +260,10 @@ STATIC void print_code_py_status_message(safe_mode_t safe_mode) {
STATIC bool run_code_py(safe_mode_t safe_mode) {
bool serial_connected_at_start = serial_connected();
#if CIRCUITPY_AUTORELOAD_DELAY_MS > 0
if (serial_connected_at_start) {
serial_write("\n");
print_code_py_status_message(safe_mode);
}
print_safe_mode_message(safe_mode);
serial_write("\n");
#endif
pyexec_result_t result;
@ -307,16 +307,14 @@ STATIC bool run_code_py(safe_mode_t safe_mode) {
if (result.return_code & PYEXEC_FORCED_EXIT) {
return reload_requested;
}
// Display a different completion message if the user has no USB attached (cannot save files)
serial_write_compressed(translate("\nCode done running. Waiting for reload.\n"));
}
// Program has finished running.
// Display a different completion message if the user has no USB attached (cannot save files)
if (!serial_connected_at_start) {
serial_write_compressed(translate("\nCode done running. Waiting for reload.\n"));
}
bool serial_connected_before_animation = false;
bool serial_connected_before_animation = serial_connected();
#if CIRCUITPY_DISPLAYIO
bool refreshed_epaper_display = false;
#endif

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@ -42,6 +42,9 @@
#include "esp_sleep.h"
#include "components/soc/soc/esp32s2/include/soc/rtc_cntl_reg.h"
#include "components/driver/include/driver/uart.h"
// Singleton instance of SleepMemory.
const alarm_sleep_memory_obj_t alarm_sleep_memory_obj = {
.base = {
@ -49,9 +52,9 @@ const alarm_sleep_memory_obj_t alarm_sleep_memory_obj = {
},
};
void alarm_reset(void) {
alarm_time_timealarm_reset();
alarm_pin_pin_alarm_reset();
alarm_sleep_memory_reset();
esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_ALL);
}
@ -60,6 +63,9 @@ STATIC esp_sleep_wakeup_cause_t _get_wakeup_cause(void) {
if (alarm_time_timealarm_woke_us_up()) {
return ESP_SLEEP_WAKEUP_TIMER;
}
if (alarm_pin_pin_alarm_woke_us_up()) {
return ESP_SLEEP_WAKEUP_GPIO;
}
return esp_sleep_get_wakeup_cause();
}
@ -69,14 +75,16 @@ bool alarm_woken_from_sleep(void) {
}
STATIC mp_obj_t _get_wake_alarm(size_t n_alarms, const mp_obj_t *alarms) {
switch (_get_wakeup_cause()) {
esp_sleep_wakeup_cause_t cause = _get_wakeup_cause();
switch (cause) {
case ESP_SLEEP_WAKEUP_TIMER: {
return alarm_time_timealarm_get_wakeup_alarm(n_alarms, alarms);
}
case ESP_SLEEP_WAKEUP_EXT0: {
// TODO: implement pin alarm wake.
break;
case ESP_SLEEP_WAKEUP_GPIO:
case ESP_SLEEP_WAKEUP_EXT0:
case ESP_SLEEP_WAKEUP_EXT1: {
return alarm_pin_pin_alarm_get_wakeup_alarm(n_alarms, alarms);
}
case ESP_SLEEP_WAKEUP_TOUCHPAD:
@ -98,24 +106,8 @@ mp_obj_t common_hal_alarm_get_wake_alarm(void) {
// Set up light sleep or deep sleep alarms.
STATIC void _setup_sleep_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
bool time_alarm_set = false;
alarm_time_time_alarm_obj_t *time_alarm = MP_OBJ_NULL;
for (size_t i = 0; i < n_alarms; i++) {
if (MP_OBJ_IS_TYPE(alarms[i], &alarm_pin_pin_alarm_type)) {
mp_raise_NotImplementedError(translate("PinAlarm not yet implemented"));
} else if (MP_OBJ_IS_TYPE(alarms[i], &alarm_time_time_alarm_type)) {
if (time_alarm_set) {
mp_raise_ValueError(translate("Only one alarm.time alarm can be set."));
}
time_alarm = MP_OBJ_TO_PTR(alarms[i]);
time_alarm_set = true;
}
}
if (time_alarm_set) {
alarm_time_timealarm_set_alarm(time_alarm);
}
alarm_pin_pin_alarm_set_alarms(deep_sleep, n_alarms, alarms);
alarm_time_timealarm_set_alarms(deep_sleep, n_alarms, alarms);
}
STATIC void _idle_until_alarm(void) {
@ -134,7 +126,10 @@ STATIC void _idle_until_alarm(void) {
// Is it safe to do a light sleep? Check whether WiFi is on or there are
// other ongoing tasks that should not be shut down.
STATIC bool _light_sleep_ok(void) {
return !common_hal_wifi_radio_get_enabled(&common_hal_wifi_radio_obj) && !supervisor_workflow_active();
int64_t connecting_delay_ticks = CIRCUITPY_USB_CONNECTED_SLEEP_DELAY * 1024 - port_get_raw_ticks(NULL);
return !common_hal_wifi_radio_get_enabled(&common_hal_wifi_radio_obj) &&
!supervisor_workflow_active() &&
connecting_delay_ticks <= 0;
}
mp_obj_t common_hal_alarm_light_sleep_until_alarms(size_t n_alarms, const mp_obj_t *alarms) {
@ -142,10 +137,13 @@ mp_obj_t common_hal_alarm_light_sleep_until_alarms(size_t n_alarms, const mp_obj
// Light sleep can break some functionality so only do it when possible. Otherwise we idle.
if (_light_sleep_ok()) {
// Flush the UART to complete the log line.
uart_wait_tx_idle_polling(CONFIG_ESP_CONSOLE_UART_NUM);
esp_light_sleep_start();
} else {
_idle_until_alarm();
}
mp_obj_t wake_alarm = _get_wake_alarm(n_alarms, alarms);
alarm_reset();
return wake_alarm;
@ -156,6 +154,7 @@ void common_hal_alarm_set_deep_sleep_alarms(size_t n_alarms, const mp_obj_t *ala
}
void NORETURN alarm_enter_deep_sleep(void) {
alarm_pin_pin_alarm_prepare_for_deep_sleep();
// The ESP-IDF caches the deep sleep settings and applies them before sleep.
// We don't need to worry about resetting them in the interim.
esp_deep_sleep_start();

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@ -4,6 +4,7 @@
* The MIT License (MIT)
*
* Copyright (c) 2020 Dan Halbert for Adafruit Industries
* Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@ -24,15 +25,29 @@
* THE SOFTWARE.
*/
#include "esp_sleep.h"
#include "py/runtime.h"
#include "shared-bindings/alarm/pin/PinAlarm.h"
#include "shared-bindings/microcontroller/__init__.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "supervisor/esp_port.h"
#include "components/driver/include/driver/rtc_io.h"
#include "components/esp_system/include/esp_sleep.h"
#include "components/freertos/include/freertos/FreeRTOS.h"
#include "components/hal/esp32s2/include/hal/gpio_ll.h"
#include "components/xtensa/include/esp_debug_helpers.h"
void common_hal_alarm_pin_pin_alarm_construct(alarm_pin_pin_alarm_obj_t *self, mcu_pin_obj_t *pin, bool value, bool edge, bool pull) {
if (edge) {
mp_raise_ValueError(translate("Cannot wake on pin edge. Only level."));
}
if (pull && !GPIO_IS_VALID_OUTPUT_GPIO(pin->number)) {
mp_raise_ValueError(translate("Cannot pull on input-only pin."));
}
self->pin = pin;
self->value = value;
self->edge = edge;
self->pull = pull;
}
@ -45,9 +60,248 @@ bool common_hal_alarm_pin_pin_alarm_get_value(alarm_pin_pin_alarm_obj_t *self) {
}
bool common_hal_alarm_pin_pin_alarm_get_edge(alarm_pin_pin_alarm_obj_t *self) {
return self->edge;
return false;
}
bool common_hal_alarm_pin_pin_alarm_get_pull(alarm_pin_pin_alarm_obj_t *self) {
return self->pull;
}
gpio_isr_handle_t gpio_interrupt_handle;
// Low and high are relative to pin number. 32+ is high. <32 is low.
static volatile uint32_t low_pin_status = 0;
static volatile uint32_t high_pin_status = 0;
void gpio_interrupt(void *arg) {
(void) arg;
gpio_ll_get_intr_status(&GPIO, xPortGetCoreID(), (uint32_t*) &low_pin_status);
gpio_ll_clear_intr_status(&GPIO, low_pin_status);
gpio_ll_get_intr_status_high(&GPIO, xPortGetCoreID(), (uint32_t*) &high_pin_status);
gpio_ll_clear_intr_status_high(&GPIO, high_pin_status);
// disable the interrupts that fired, maybe all of them
for (size_t i = 0; i < 32; i++) {
uint32_t mask = 1 << i;
if ((low_pin_status & mask) != 0) {
gpio_ll_intr_disable(&GPIO, i);
}
if ((high_pin_status & mask) != 0) {
gpio_ll_intr_disable(&GPIO, 32 + i);
}
}
BaseType_t high_task_wakeup;
vTaskNotifyGiveFromISR(circuitpython_task, &high_task_wakeup);
if (high_task_wakeup) {
portYIELD_FROM_ISR();
}
}
bool alarm_pin_pin_alarm_woke_us_up(void) {
return low_pin_status != 0 || high_pin_status != 0;
}
mp_obj_t alarm_pin_pin_alarm_get_wakeup_alarm(size_t n_alarms, const mp_obj_t *alarms) {
// First, check to see if we match any given alarms.
uint64_t pin_status = ((uint64_t) high_pin_status) << 32 | low_pin_status;
for (size_t i = 0; i < n_alarms; i++) {
if (!MP_OBJ_IS_TYPE(alarms[i], &alarm_pin_pin_alarm_type)) {
continue;
}
alarm_pin_pin_alarm_obj_t *alarm = MP_OBJ_TO_PTR(alarms[i]);
if ((pin_status & (1ull << alarm->pin->number)) != 0) {
return alarms[i];
}
}
esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
size_t pin_number = 64;
if (cause == ESP_SLEEP_WAKEUP_EXT0) {
pin_number = REG_GET_FIELD(RTC_IO_EXT_WAKEUP0_REG, RTC_IO_EXT_WAKEUP0_SEL);
} else {
if (cause == ESP_SLEEP_WAKEUP_EXT1) {
pin_status = esp_sleep_get_ext1_wakeup_status();
}
// If the cause is GPIO, we've already snagged pin_status in the interrupt.
// We'll only get here if we pretended to deep sleep. Light sleep will
// pass in existing objects.
for (size_t i = 0; i < 64; i++) {
if ((pin_status & (1ull << i)) != 0) {
pin_number = i;
break;
}
}
}
alarm_pin_pin_alarm_obj_t *alarm = m_new_obj(alarm_pin_pin_alarm_obj_t);
alarm->base.type = &alarm_pin_pin_alarm_type;
alarm->pin = NULL;
// Map the pin number back to a pin object.
for (size_t i = 0; i < mcu_pin_globals.map.used; i++) {
const mcu_pin_obj_t* pin_obj = MP_OBJ_TO_PTR(mcu_pin_globals.map.table[i].value);
if ((size_t) pin_obj->number == pin_number) {
alarm->pin = mcu_pin_globals.map.table[i].value;
break;
}
}
return alarm;
}
// These must be static because we need to configure pulls later, right before
// deep sleep.
static uint64_t high_alarms = 0;
static uint64_t low_alarms = 0;
static uint64_t pull_pins = 0;
void alarm_pin_pin_alarm_reset(void) {
if (gpio_interrupt_handle != NULL) {
esp_intr_free(gpio_interrupt_handle);
gpio_interrupt_handle = NULL;
}
for (size_t i = 0; i < 64; i++) {
uint64_t mask = 1ull << i;
bool high = (high_alarms & mask) != 0;
bool low = (low_alarms & mask) != 0;
if (!(high || low)) {
continue;
}
reset_pin_number(i);
}
high_alarms = 0;
low_alarms = 0;
pull_pins = 0;
high_pin_status = 0;
low_pin_status = 0;
}
void alarm_pin_pin_alarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
// Bitmask of wake up settings.
size_t high_count = 0;
size_t low_count = 0;
for (size_t i = 0; i < n_alarms; i++) {
// TODO: Check for ULP or touch alarms because they can't coexist with GPIO alarms.
if (!MP_OBJ_IS_TYPE(alarms[i], &alarm_pin_pin_alarm_type)) {
continue;
}
alarm_pin_pin_alarm_obj_t *alarm = MP_OBJ_TO_PTR(alarms[i]);
gpio_num_t pin_number = alarm->pin->number;
if (alarm->value) {
high_alarms |= 1ull << pin_number;
high_count++;
} else {
low_alarms |= 1ull << pin_number;
low_count++;
}
if (alarm->pull) {
pull_pins |= 1ull << pin_number;
}
}
if (high_count == 0 && low_count == 0) {
return;
}
if (deep_sleep && low_count > 2 && high_count == 0) {
mp_raise_ValueError(translate("Can only alarm on two low pins from deep sleep."));
}
if (deep_sleep && low_count > 1 && high_count > 0) {
mp_raise_ValueError(translate("Can only alarm on one low pin while others alarm high from deep sleep."));
}
// Only use ext0 and ext1 during deep sleep.
if (deep_sleep) {
if (high_count > 0) {
if (esp_sleep_enable_ext1_wakeup(high_alarms, ESP_EXT1_WAKEUP_ANY_HIGH) != ESP_OK) {
mp_raise_ValueError(translate("Can only alarm on RTC IO from deep sleep."));
}
}
size_t low_pins[2];
size_t j = 0;
for (size_t i = 0; i < 64; i++) {
uint64_t mask = 1ull << i;
if ((low_alarms & mask) != 0) {
low_pins[j++] = i;
}
if (j == 2) {
break;
}
}
if (low_count > 1) {
if (esp_sleep_enable_ext1_wakeup(1ull << low_pins[1], ESP_EXT1_WAKEUP_ALL_LOW) != ESP_OK) {
mp_raise_ValueError(translate("Can only alarm on RTC IO from deep sleep."));
}
}
if (low_count > 0) {
if (esp_sleep_enable_ext0_wakeup(low_pins[0], 0) != ESP_OK) {
mp_raise_ValueError(translate("Can only alarm on RTC IO from deep sleep."));
}
}
} else {
// Enable GPIO wake up if we're sleeping.
esp_sleep_enable_gpio_wakeup();
}
// Set GPIO interrupts so they wake us from light sleep or from idle via the
// interrupt handler above.
low_pin_status = 0;
high_pin_status = 0;
if (gpio_isr_register(gpio_interrupt, NULL, 0, &gpio_interrupt_handle) != ESP_OK) {
mp_raise_ValueError(translate("Can only alarm on RTC IO from deep sleep."));
}
for (size_t i = 0; i < 64; i++) {
uint64_t mask = 1ull << i;
bool high = (high_alarms & mask) != 0;
bool low = (low_alarms & mask) != 0;
bool pull = (pull_pins & mask) != 0;
if (!(high || low)) {
continue;
}
if (rtc_gpio_is_valid_gpio(i)) {
rtc_gpio_deinit(i);
}
gpio_int_type_t interrupt_mode = GPIO_INTR_DISABLE;
gpio_pull_mode_t pull_mode = GPIO_FLOATING;
if (high) {
interrupt_mode = GPIO_INTR_HIGH_LEVEL;
pull_mode = GPIO_PULLDOWN_ONLY;
}
if (low) {
interrupt_mode = GPIO_INTR_LOW_LEVEL;
pull_mode = GPIO_PULLUP_ONLY;
}
gpio_set_direction(i, GPIO_MODE_DEF_INPUT);
PIN_FUNC_SELECT(GPIO_PIN_MUX_REG[i], PIN_FUNC_GPIO);
if (pull) {
gpio_set_pull_mode(i, pull_mode);
size_t j = 0;
while (gpio_get_level(i) == false) {
j++;
}
}
never_reset_pin_number(i);
// Sets interrupt type and wakeup bits.
gpio_wakeup_enable(i, interrupt_mode);
gpio_intr_enable(i);
}
}
void alarm_pin_pin_alarm_prepare_for_deep_sleep(void) {
if (pull_pins == 0) {
return;
}
for (size_t i = 0; i < 64; i++) {
uint64_t mask = 1ull << i;
bool pull = (pull_pins & mask) != 0;
if (!pull) {
continue;
}
bool high = (high_alarms & mask) != 0;
bool low = (low_alarms & mask) != 0;
// The pull direction is opposite from alarm value.
if (high) {
rtc_gpio_pullup_dis(i);
rtc_gpio_pulldown_en(i);
}
if (low) {
rtc_gpio_pullup_en(i);
rtc_gpio_pulldown_dis(i);
}
}
}

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@ -31,7 +31,11 @@ typedef struct {
mp_obj_base_t base;
mcu_pin_obj_t *pin;
bool value;
bool all_same_value;
bool edge;
bool pull;
} alarm_pin_pin_alarm_obj_t;
void alarm_pin_pin_alarm_reset(void);
void alarm_pin_pin_alarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
void alarm_pin_pin_alarm_prepare_for_deep_sleep(void);
mp_obj_t alarm_pin_pin_alarm_get_wakeup_alarm(size_t n_alarms, const mp_obj_t *alarms);
bool alarm_pin_pin_alarm_woke_us_up(void);

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@ -63,9 +63,7 @@ STATIC bool woke_up = false;
void timer_callback(void *arg) {
(void) arg;
woke_up = true;
if (sleeping_circuitpython_task) {
xTaskNotifyGive(sleeping_circuitpython_task);
}
xTaskNotifyGive(circuitpython_task);
}
bool alarm_time_timealarm_woke_us_up(void) {
@ -79,7 +77,24 @@ void alarm_time_timealarm_reset(void) {
woke_up = false;
}
void alarm_time_timealarm_set_alarm(alarm_time_time_alarm_obj_t *self) {
void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms) {
bool time_alarm_set = false;
alarm_time_time_alarm_obj_t *time_alarm = MP_OBJ_NULL;
for (size_t i = 0; i < n_alarms; i++) {
if (!MP_OBJ_IS_TYPE(alarms[i], &alarm_time_time_alarm_type)) {
continue;
}
if (time_alarm_set) {
mp_raise_ValueError(translate("Only one alarm.time alarm can be set."));
}
time_alarm = MP_OBJ_TO_PTR(alarms[i]);
time_alarm_set = true;
}
if (!time_alarm_set) {
return;
}
if (pretend_sleep_timer != NULL) {
esp_timer_stop(pretend_sleep_timer);
} else {
@ -94,7 +109,7 @@ void alarm_time_timealarm_set_alarm(alarm_time_time_alarm_obj_t *self) {
// Compute how long to actually sleep, considering the time now.
mp_float_t now_secs = uint64_to_float(common_hal_time_monotonic_ms()) / 1000.0f;
mp_float_t wakeup_in_secs = MAX(0.0f, self->monotonic_time - now_secs);
mp_float_t wakeup_in_secs = MAX(0.0f, time_alarm->monotonic_time - now_secs);
const uint64_t sleep_for_us = (uint64_t) (wakeup_in_secs * 1000000);
esp_sleep_enable_timer_wakeup(sleep_for_us);

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@ -36,5 +36,5 @@ typedef struct {
mp_obj_t alarm_time_timealarm_get_wakeup_alarm(size_t n_alarms, const mp_obj_t *alarms);
// Check for the wake up alarm from pretend deep sleep.
bool alarm_time_timealarm_woke_us_up(void);
void alarm_time_timealarm_set_alarm(alarm_time_time_alarm_obj_t *self);
void alarm_time_timealarm_set_alarms(bool deep_sleep, size_t n_alarms, const mp_obj_t *alarms);
void alarm_time_timealarm_reset(void);

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@ -30,6 +30,6 @@
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
extern TaskHandle_t sleeping_circuitpython_task;
extern TaskHandle_t circuitpython_task;
#endif // MICROPY_INCLUDED_ESP32S2_SUPERVISOR_PORT_H

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@ -66,6 +66,9 @@ uint32_t* heap;
uint32_t heap_size;
STATIC esp_timer_handle_t _tick_timer;
STATIC esp_timer_handle_t _sleep_timer;
TaskHandle_t circuitpython_task = NULL;
extern void esp_restart(void) NORETURN;
@ -73,6 +76,8 @@ void tick_timer_cb(void* arg) {
supervisor_tick();
}
void sleep_timer_cb(void* arg);
safe_mode_t port_init(void) {
esp_timer_create_args_t args;
args.callback = &tick_timer_cb;
@ -81,10 +86,14 @@ safe_mode_t port_init(void) {
args.name = "CircuitPython Tick";
esp_timer_create(&args, &_tick_timer);
#ifdef DEBUG
args.callback = &sleep_timer_cb;
args.arg = NULL;
args.dispatch_method = ESP_TIMER_TASK;
args.name = "CircuitPython Sleep";
esp_timer_create(&args, &_sleep_timer);
// Send the ROM output out of the UART. This includes early logs.
esp_rom_install_channel_putc(1, esp_rom_uart_putc);
#endif
heap = NULL;
never_reset_module_internal_pins();
@ -106,10 +115,14 @@ safe_mode_t port_init(void) {
if (reason == ESP_RST_BROWNOUT) {
return BROWNOUT;
}
if (reason == ESP_RST_PANIC) {
if (reason == ESP_RST_PANIC ||
reason == ESP_RST_INT_WDT ||
reason == ESP_RST_WDT) {
return HARD_CRASH;
}
circuitpython_task = xTaskGetCurrentTaskHandle();
return NO_SAFE_MODE;
}
@ -250,29 +263,25 @@ void port_disable_tick(void) {
// CircuitPython's VM is run in a separate FreeRTOS task from TinyUSB.
// Tick disable can happen via auto-reload so poke the main task here.
if (sleeping_circuitpython_task != NULL) {
xTaskNotifyGive(sleeping_circuitpython_task);
}
xTaskNotifyGive(circuitpython_task);
}
TickType_t sleep_time_duration;
void sleep_timer_cb(void* arg) {
xTaskNotifyGive(circuitpython_task);
}
void port_interrupt_after_ticks(uint32_t ticks) {
sleep_time_duration = (ticks * 100)/1024;
uint64_t timeout_us = ticks * 1000000ull / 1024;
if (esp_timer_start_once(_sleep_timer, timeout_us) != ESP_OK) {
esp_timer_stop(_sleep_timer);
esp_timer_start_once(_sleep_timer, timeout_us);
}
}
// On the ESP we use FreeRTOS notifications instead of interrupts so this is a
// bit of a misnomer.
void port_idle_until_interrupt(void) {
uint32_t notify_value = 0;
if (sleep_time_duration == 0) {
return;
}
sleeping_circuitpython_task = xTaskGetCurrentTaskHandle();
xTaskNotifyWait(0x01, 0x01, &notify_value, sleep_time_duration );
sleeping_circuitpython_task = NULL;
if (notify_value == 1) {
mp_handle_pending();
}
xTaskNotifyWait(0x01, 0x01, NULL, portMAX_DELAY);
}
// Wrap main in app_main that the IDF expects.

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@ -26,6 +26,7 @@
*/
#include "supervisor/usb.h"
#include "supervisor/esp_port.h"
#include "lib/utils/interrupt_char.h"
#include "lib/mp-readline/readline.h"
@ -52,8 +53,6 @@
StackType_t usb_device_stack[USBD_STACK_SIZE];
StaticTask_t usb_device_taskdef;
TaskHandle_t sleeping_circuitpython_task = NULL;
// USB Device Driver task
// This top level thread process all usb events and invoke callbacks
void usb_device_task(void* param)
@ -131,8 +130,6 @@ void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char)
mp_keyboard_interrupt();
// CircuitPython's VM is run in a separate FreeRTOS task from TinyUSB.
// So, we must notify the other task when a CTRL-C is received.
if (sleeping_circuitpython_task != NULL) {
xTaskNotifyGive(sleeping_circuitpython_task);
}
xTaskNotifyGive(circuitpython_task);
}
}

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@ -29,6 +29,7 @@
#include <stdarg.h>
#include <assert.h>
#include "lib/utils/interrupt_char.h"
#include "py/obj.h"
#include "py/objtype.h"
#include "py/objint.h"
@ -67,7 +68,10 @@ void mp_obj_print_helper(const mp_print_t *print, mp_obj_t o_in, mp_print_kind_t
#ifdef RUN_BACKGROUND_TASKS
RUN_BACKGROUND_TASKS;
#endif
mp_handle_pending();
// Stop printing if we've been interrupted.
if (mp_hal_is_interrupted()) {
return;
}
#ifndef NDEBUG
if (o_in == MP_OBJ_NULL) {

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@ -1015,7 +1015,7 @@ unwind_jump:;
}
#endif
SET_TOP(mp_call_method_n_kw(unum & 0xff, (unum >> 8) & 0xff, sp));
DISPATCH();
DISPATCH_WITH_PEND_EXC_CHECK();
}
ENTRY(MP_BC_CALL_METHOD_VAR_KW): {

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@ -89,7 +89,11 @@ STATIC mp_obj_t alarm_pin_pin_alarm_make_new(const mp_obj_type_t *type, mp_uint_
//|
STATIC mp_obj_t alarm_pin_pin_alarm_obj_get_pin(mp_obj_t self_in) {
alarm_pin_pin_alarm_obj_t *self = MP_OBJ_TO_PTR(self_in);
return common_hal_alarm_pin_pin_alarm_get_pin(self);
mcu_pin_obj_t* pin = common_hal_alarm_pin_pin_alarm_get_pin(self);
if (pin == NULL) {
return mp_const_none;
}
return MP_OBJ_FROM_PTR(pin);
}
MP_DEFINE_CONST_FUN_OBJ_1(alarm_pin_pin_alarm_get_pin_obj, alarm_pin_pin_alarm_obj_get_pin);

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@ -145,10 +145,11 @@ void mp_hal_delay_ms(mp_uint_t delay) {
delay = delay * 1024 / 1000;
uint64_t end_tick = start_tick + delay;
int64_t remaining = delay;
while (remaining > 0) {
// Loop until we've waited long enough or we've been CTRL-Ced by autoreload
// or the user.
while (remaining > 0 && !mp_hal_is_interrupted()) {
RUN_BACKGROUND_TASKS;
// Check to see if we've been CTRL-Ced by autoreload or the user.
mp_handle_pending();
remaining = end_tick - port_get_raw_ticks(NULL);
// We break a bit early so we don't risk setting the alarm before the time when we call
// sleep.