circuitpython/ports/nrf/boards/pca10056/board.c

94 lines
2.6 KiB
C

/*
* 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 <string.h>
#include <stdbool.h>
#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;
}