103 lines
3.0 KiB
C
103 lines
3.0 KiB
C
/*
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* This file is part of the Micro Python 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) 2018 hathach 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 "nrfx.h"
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#include "nrfx_power.h"
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#include "tick.h"
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#include "usb.h"
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#include "lib/mp-readline/readline.h"
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#include "lib/utils/interrupt_char.h"
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#ifdef NRF52840_XXAA
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void usb_init(void) {
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#ifdef SOFTDEVICE_PRESENT
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// TODO support Softdevice config
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#else
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// Softdevice is not present, init power module and register tusb power event function
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// for vusb detect, ready, removed
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extern void tusb_hal_nrf_power_event(uint32_t event);
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// Power module init
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const nrfx_power_config_t pwr_cfg = { 0 };
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nrfx_power_init(&pwr_cfg);
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// USB Power detection
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const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
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nrfx_power_usbevt_init(&config);
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nrfx_power_usbevt_enable();
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#endif
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tusb_init();
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#if MICROPY_KBD_EXCEPTION
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// set Ctrl+C as wanted char, tud_cdc_rx_wanted_cb() fired when Ctrl+C is received
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// TODO should be called in mp_hal_set_interrupt_char()
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tud_cdc_set_wanted_char(CHAR_CTRL_C);
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#endif
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}
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//--------------------------------------------------------------------+
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// tinyusb callbacks
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//--------------------------------------------------------------------+
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void tud_mount_cb(void) {
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}
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void tud_umount_cb(void) {
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}
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uint32_t tusb_hal_millis(void) {
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uint64_t ms;
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uint32_t us;
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current_tick(&ms, &us);
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return (uint32_t) ms;
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}
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#if MICROPY_KBD_EXCEPTION
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/**
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* Callback invoked when received an "wanted" char.
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* @param itf Interface index (for multiple cdc interfaces)
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* @param wanted_char The wanted char (set previously)
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*/
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void tud_cdc_rx_wanted_cb(uint8_t itf, char wanted_char)
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{
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(void) itf; // not used
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if (mp_interrupt_char == wanted_char) {
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tud_cdc_read_flush(); // flush read fifo
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mp_keyboard_interrupt();
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}
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}
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#endif
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#endif
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