/* * 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 "supervisor/port.h" #include "boards/board.h" #include "nrf/cache.h" #include "nrf/clocks.h" #include "nrf/power.h" #include "nrf/timers.h" #include "shared-module/gamepad/__init__.h" #include "common-hal/microcontroller/Pin.h" #include "common-hal/busio/I2C.h" #include "common-hal/busio/SPI.h" #include "common-hal/pulseio/PWMOut.h" #include "common-hal/pulseio/PulseOut.h" #include "tick.h" safe_mode_t port_init(void) { nrf_peripherals_clocks_init(); // If GPIO voltage is set wrong in UICR, this will fix it, and // will also do a reset to make the change take effect. nrf_peripherals_power_init(); nrf_peripherals_enable_cache(); // Configure millisecond timer initialization. tick_init(); #if 0 #ifdef CIRCUITPY_CANARY_WORD // Run in safe mode if the canary is corrupt. if (_ezero != CIRCUITPY_CANARY_WORD) { return HARD_CRASH; } #endif #endif // Will do usb_init() if chip supports USB. board_init(); #if 0 if (board_requests_safe_mode()) { return USER_SAFE_MODE; } #endif return NO_SAFE_MODE; } void reset_port(void) { #ifdef CIRCUITPY_GAMEPAD_TICKS gamepad_reset(); #endif i2c_reset(); spi_reset(); pwmout_reset(); pulseout_reset(); timers_reset(); reset_all_pins(); } void HardFault_Handler(void) { while (true) { asm(""); } }