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