112 lines
3.7 KiB
C
112 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) 2016 Scott Shawcroft for Adafruit Industries
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* Copyright (c) 2019 Lucian Copeland for Adafruit Industries
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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 "py/mphal.h"
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#include "py/obj.h"
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#include "py/runtime.h"
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#include "common-hal/microcontroller/Pin.h"
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#include "common-hal/microcontroller/Processor.h"
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#include "shared-bindings/microcontroller/__init__.h"
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#include "shared-bindings/microcontroller/Pin.h"
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#include "shared-bindings/microcontroller/Processor.h"
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#include "supervisor/filesystem.h"
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#include "supervisor/shared/safe_mode.h"
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#include "csr.h"
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#include "irq.h"
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void common_hal_mcu_delay_us(uint32_t delay) {
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// if (__get_PRIMASK() == 0x00000000) {
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// //by default use ticks_ms
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// uint32_t start = get_us();
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// while (get_us()-start < delay) {
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// __asm__ __volatile__("nop");
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// }
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// } else {
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// //when SysTick is disabled, approximate with busy loop
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// const uint32_t ucount = HAL_RCC_GetSysClockFreq() / 1000000 * delay / LOOP_TICKS;
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// for (uint32_t count = 0; ++count <= ucount;) {
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// }
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// }
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}
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volatile uint32_t nesting_count = 0;
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void common_hal_mcu_disable_interrupts(void) {
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irq_setie(0);
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// __DMB();
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nesting_count++;
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}
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void common_hal_mcu_enable_interrupts(void) {
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if (nesting_count == 0) {
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// This is very very bad because it means there was mismatched disable/enables so we
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// "HardFault".
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asm("ebreak");
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}
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nesting_count--;
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if (nesting_count > 0) {
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return;
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}
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irq_setie(1);
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}
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void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) {
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if(runmode == RUNMODE_SAFE_MODE)
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safe_mode_on_next_reset(PROGRAMMATIC_SAFE_MODE);
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}
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void common_hal_mcu_reset(void) {
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filesystem_flush(); //TODO: implement as part of flash improvements
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// NVIC_SystemReset();
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while(1);
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}
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// The singleton microcontroller.Processor object, bound to microcontroller.cpu
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// It currently only has properties, and no state.
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const mcu_processor_obj_t common_hal_mcu_processor_obj = {
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.base = {
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.type = &mcu_processor_type,
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},
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};
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const mcu_pin_obj_t pin_TOUCH1 = PIN(0);
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const mcu_pin_obj_t pin_TOUCH2 = PIN(1);
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const mcu_pin_obj_t pin_TOUCH3 = PIN(2);
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const mcu_pin_obj_t pin_TOUCH4 = PIN(3);
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STATIC const mp_rom_map_elem_t mcu_pin_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_TOUCH1), MP_ROM_PTR(&pin_TOUCH1) },
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{ MP_ROM_QSTR(MP_QSTR_TOUCH2), MP_ROM_PTR(&pin_TOUCH2) },
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{ MP_ROM_QSTR(MP_QSTR_TOUCH3), MP_ROM_PTR(&pin_TOUCH3) },
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{ MP_ROM_QSTR(MP_QSTR_TOUCH4), MP_ROM_PTR(&pin_TOUCH4) },
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};
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MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_globals_table);
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