169 lines
3.7 KiB
C
169 lines
3.7 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) 2017 Scott Shawcroft for Adafruit Industries
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* Copyright (c) 2017 Artur Pacholec
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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 "boards/board.h"
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#include "supervisor/port.h"
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#include "fsl_device_registers.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "common-hal/pulseio/PulseIn.h"
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#include "common-hal/pulseio/PulseOut.h"
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#include "common-hal/pulseio/PWMOut.h"
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#include "common-hal/rtc/RTC.h"
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#include "reset.h"
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#include "tick.h"
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#include "tusb.h"
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#if CIRCUITPY_GAMEPAD
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#include "shared-module/gamepad/__init__.h"
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#endif
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#if CIRCUITPY_GAMEPADSHIFT
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#include "shared-module/gamepadshift/__init__.h"
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#endif
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#include "shared-module/_pew/PewPew.h"
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#include "clocks.h"
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#include "fsl_gpio.h"
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#include "fsl_lpuart.h"
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void mpu_init(void)
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{
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ARM_MPU_Disable();
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SCB_EnableDCache();
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SCB_EnableICache();
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}
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safe_mode_t port_init(void) {
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mpu_init();
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clocks_init();
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// Configure millisecond timer initialization.
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tick_init();
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#if CIRCUITPY_RTC
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rtc_init();
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#endif
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// Reset everything into a known state before board_init.
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reset_port();
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// Init the board last so everything else is ready
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board_init();
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if (board_requests_safe_mode()) {
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return USER_SAFE_MODE;
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}
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return NO_SAFE_MODE;
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}
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void reset_port(void) {
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//reset_sercoms();
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#if CIRCUITPY_AUDIOIO
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audio_dma_reset();
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audioout_reset();
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#endif
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#if CIRCUITPY_AUDIOBUSIO
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i2sout_reset();
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//pdmin_reset();
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#endif
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#if CIRCUITPY_TOUCHIO && CIRCUITPY_TOUCHIO_USE_NATIVE
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touchin_reset();
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#endif
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// eic_reset();
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#if CIRCUITPY_PULSEIO
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pulseout_reset();
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pwmout_reset();
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#endif
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#if CIRCUITPY_RTC
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rtc_reset();
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#endif
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#if CIRCUITPY_GAMEPAD
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gamepad_reset();
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#endif
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#if CIRCUITPY_GAMEPADSHIFT
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gamepadshift_reset();
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#endif
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#if CIRCUITPY_PEW
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pew_reset();
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#endif
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//reset_event_system();
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reset_all_pins();
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}
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void reset_to_bootloader(void) {
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_bootloader_dbl_tap = DBL_TAP_MAGIC;
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reset();
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}
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void reset_cpu(void) {
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reset();
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}
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extern uint32_t _heap_start, _estack;
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uint32_t *port_stack_get_limit(void) {
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return &_heap_start;
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}
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uint32_t *port_stack_get_top(void) {
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return &_estack;
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}
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extern uint32_t __bss_end__;
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// Place the word to save just after our BSS section that gets blanked.
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void port_set_saved_word(uint32_t value) {
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__bss_end__ = value;
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}
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uint32_t port_get_saved_word(void) {
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return __bss_end__;
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}
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/**
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* \brief Default interrupt handler for unused IRQs.
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*/
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__attribute__((used)) void HardFault_Handler(void)
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{
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reset_into_safe_mode(HARD_CRASH);
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while (true) {
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asm("nop;");
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}
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}
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