circuitpython/supervisor/shared/workflow.c

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* 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
* 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.
*/
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#include <stdbool.h>
#include "py/mpconfig.h"
#include "supervisor/background_callback.h"
#include "supervisor/workflow.h"
#include "supervisor/serial.h"
#include "supervisor/shared/workflow.h"
#if CIRCUITPY_BLEIO
#include "shared-bindings/_bleio/__init__.h"
#include "supervisor/shared/bluetooth/bluetooth.h"
#endif
#if CIRCUITPY_USB
#include "supervisor/usb.h"
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#include "tusb.h"
#endif
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#if CIRCUITPY_WEB_WORKFLOW
#include "supervisor/shared/web_workflow/web_workflow.h"
#endif
static background_callback_t workflow_background_cb;
static void workflow_background(void *data) {
#if CIRCUITPY_WEB_WORKFLOW
supervisor_web_workflow_background();
#endif
}
// Called during a VM reset. Doesn't actually reset things.
void supervisor_workflow_reset(void) {
#if CIRCUITPY_BLEIO
supervisor_start_bluetooth();
#endif
#if CIRCUITPY_WEB_WORKFLOW
supervisor_start_web_workflow();
#endif
workflow_background_cb.fun = workflow_background;
workflow_background_cb.data = NULL;
supervisor_workflow_request_background();
}
void supervisor_workflow_request_background(void) {
background_callback_add_core(&workflow_background_cb);
}
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// Return true as soon as USB communication with host has started,
// even before enumeration is done.
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// Not that some chips don't notice when USB is unplugged after first being plugged in,
// so this is not perfect, but tud_suspended() check helps.
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bool supervisor_workflow_connecting(void) {
#if CIRCUITPY_USB
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return tud_connected() && !tud_suspended();
#else
return false;
#endif
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}
// Return true if host has completed connection to us (such as USB enumeration).
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bool supervisor_workflow_active(void) {
#if CIRCUITPY_USB
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// Eventually there might be other non-USB workflows, such as BLE.
// tud_ready() checks for usb mounted and not suspended.
return tud_ready();
#else
return false;
#endif
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}
void supervisor_workflow_start(void) {
// Start USB after giving boot.py a chance to tweak behavior.
#if CIRCUITPY_USB
// Setup USB connection after heap is available.
// It needs the heap to build descriptors.
usb_init();
#endif
// Set up any other serial connection.
serial_init();
#if CIRCUITPY_BLEIO
bleio_reset();
supervisor_bluetooth_enable_workflow();
supervisor_start_bluetooth();
#endif
#if CIRCUITPY_WEB_WORKFLOW
supervisor_start_web_workflow();
#endif
}