/* * This file is part of the MicroPython project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2017 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. */ #include #include #include "nrfx.h" #include "nrfx_power.h" #include "boards/board.h" #include "tick.h" #include "tusb.h" void board_init(void) { // Clock NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk); NRF_CLOCK->TASKS_LFCLKSTART = 1UL; // Init USB #ifdef SOFTDEVICE_PRESENT // TODO support Softdevice config #else // Softdevice is not present, init power module and register tusb power event function // for vusb detect, ready, removed extern void tusb_hal_nrf_power_event(uint32_t event); // Power module init const nrfx_power_config_t pwr_cfg = { 0 }; nrfx_power_init(&pwr_cfg); // USB Power detection const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event }; nrfx_power_usbevt_init(&config); nrfx_power_usbevt_enable(); #endif tusb_init(); } bool board_requests_safe_mode(void) { return false; } void reset_board(void) { } //--------------------------------------------------------------------+ // tinyusb callbacks //--------------------------------------------------------------------+ void tud_mount_cb(uint8_t rhport) { (void) rhport; } void tud_umount_cb(uint8_t rhport) { (void) rhport; } uint32_t tusb_hal_millis(void) { uint64_t ms; uint32_t us; current_tick(&ms, &us); return (uint32_t) ms; }