733094aead
The RP2040 is new microcontroller from Raspberry Pi that features two Cortex M0s and eight PIO state machines that are good for crunching lots of data. It has 264k RAM and a built in UF2 bootloader too. Datasheet: https://pico.raspberrypi.org/files/rp2040_datasheet.pdf
50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*
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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) 2020 Scott Shawcroft 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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#include <stdbool.h>
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#include "py/mpconfig.h"
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#include "tusb.h"
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void supervisor_workflow_reset(void) {
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}
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// Return true as soon as USB communication with host has started,
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// 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,
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// so this is not perfect, but tud_suspended() check helps.
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bool supervisor_workflow_connecting(void) {
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return true;
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// TODO: Use the below once we've updated TinyUSB for the RP2040.
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// return tud_connected() && !tud_suspended();
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}
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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) {
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// Eventually there might be other non-USB workflows, such as BLE.
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// tud_ready() checks for usb mounted and not suspended.
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return tud_ready();
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}
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