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