169 lines
3.7 KiB
C
169 lines
3.7 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
|
||
|
|
* 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();
|
||
|
|
|
||
|
|
// Init the board last so everything else is ready
|
||
|
|
board_init();
|
||
|
|
|
||
|
|
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;");
|
||
|
|
}
|
||
|
|
}
|