Merge pull request #1773 from dhalbert/no-recursive-background-tasks
Don't let a background task call run_background_tasks()
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commit
ac2fd2fa80
3
main.c
3
main.c
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@ -43,6 +43,7 @@
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#include "lib/mp-readline/readline.h"
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#include "lib/utils/pyexec.h"
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#include "background.h"
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#include "mpconfigboard.h"
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#include "shared-module/displayio/__init__.h"
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#include "supervisor/cpu.h"
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@ -89,6 +90,8 @@ void start_mp(supervisor_allocation* heap) {
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reset_status_led();
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autoreload_stop();
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background_tasks_reset();
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// Stack limit should be less than real stack size, so we have a chance
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// to recover from limit hit. (Limit is measured in bytes.)
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mp_stack_ctrl_init();
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@ -42,8 +42,20 @@ volatile uint64_t last_finished_tick = 0;
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bool stack_ok_so_far = true;
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static bool running_background_tasks = false;
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void background_tasks_reset(void) {
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running_background_tasks = false;
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}
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void run_background_tasks(void) {
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// Don't call ourselves recursively.
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if (running_background_tasks) {
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return;
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}
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assert_heap_ok();
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running_background_tasks = true;
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#if (defined(SAMD21) && defined(PIN_PA02)) || defined(SAMD51)
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audio_dma_background();
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#endif
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@ -56,6 +68,7 @@ void run_background_tasks(void) {
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#endif
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filesystem_background();
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usb_background();
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running_background_tasks = false;
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assert_heap_ok();
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last_finished_tick = ticks_ms;
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@ -29,6 +29,7 @@
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#include <stdbool.h>
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void background_tasks_reset(void);
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void run_background_tasks(void);
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void run_background_vm_tasks(void);
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bool background_tasks_ok(void);
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@ -33,13 +33,25 @@
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#include "shared-module/displayio/__init__.h"
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#endif
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static bool running_background_tasks = false;
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void background_tasks_reset(void) {
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running_background_tasks = false;
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}
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void run_background_tasks(void) {
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// Don't call ourselves recursively.
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if (running_background_tasks) {
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return;
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}
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running_background_tasks = true;
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filesystem_background();
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usb_background();
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#ifdef CIRCUITPY_DISPLAYIO
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displayio_refresh_displays();
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#endif
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running_background_tasks = false;
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assert_heap_ok();
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}
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@ -0,0 +1,35 @@
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Dan Halbert for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_NRF_BACKGROUND_H
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#define MICROPY_INCLUDED_NRF_BACKGROUND_H
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#include <stdbool.h>
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void background_tasks_reset(void);
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void run_background_tasks(void);
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#endif // MICROPY_INCLUDED_NRF_BACKGROUND_H
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@ -47,8 +47,7 @@ bool spi_flash_command(uint8_t command) {
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.wipwait = false,
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.wren = false
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};
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nrfx_qspi_cinstr_xfer(&cinstr_cfg, NULL, NULL);
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return true;
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return nrfx_qspi_cinstr_xfer(&cinstr_cfg, NULL, NULL) == NRFX_SUCCESS;
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}
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bool spi_flash_read_command(uint8_t command, uint8_t* response, uint32_t length) {
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