199 lines
7.0 KiB
C
199 lines
7.0 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
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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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// Microcontroller contains pin references and microcontroller specific control
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// functions.
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#include <stdint.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 "py/runtime.h"
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#include "supervisor/shared/translate.h"
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//| :mod:`microcontroller` --- Pin references and cpu functionality
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//| ================================================================
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//|
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//| .. module:: microcontroller
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//| :synopsis: Pin references and core functionality
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//| :platform: SAMD21, ESP8266
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//|
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//| The `microcontroller` module defines the pins from the perspective of the
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//| microcontroller. See `board` for board-specific pin mappings.
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//|
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//| Libraries
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//|
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//| .. toctree::
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//| :maxdepth: 3
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//|
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//| Pin
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//| Processor
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//| RunMode
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//|
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//| .. data:: cpu
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//|
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//| CPU information and control, such as ``cpu.temperature`` and ``cpu.frequency``
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//| (clock frequency).
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//| This object is the sole instance of `microcontroller.Processor`.
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//|
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//| .. function:: delay_us(delay)
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//|
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//| Dedicated delay method used for very short delays. **Do not** do long delays
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//| because this stops all other functions from completing. Think of this as an empty
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//| ``while`` loop that runs for the specified ``(delay)`` time. If you have other
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//| code or peripherals (e.g audio recording) that require specific timing or
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//| processing while you are waiting, explore a different avenue such as using
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//| `time.sleep()`.
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//|
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STATIC mp_obj_t mcu_delay_us(mp_obj_t delay_obj) {
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uint32_t delay = mp_obj_get_int(delay_obj);
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common_hal_mcu_delay_us(delay);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mcu_delay_us_obj, mcu_delay_us);
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//| .. function:: disable_interrupts()
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//|
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//| Disable all interrupts. Be very careful, this can stall everything.
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//|
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STATIC mp_obj_t mcu_disable_interrupts(void) {
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common_hal_mcu_disable_interrupts();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mcu_disable_interrupts_obj, mcu_disable_interrupts);
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//| .. function:: enable_interrupts()
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//|
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//| Enable the interrupts that were enabled at the last disable.
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//|
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STATIC mp_obj_t mcu_enable_interrupts(void) {
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common_hal_mcu_enable_interrupts();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mcu_enable_interrupts_obj, mcu_enable_interrupts);
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//| .. function:: on_next_reset(run_mode)
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//|
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//| Configure the run mode used the next time the microcontroller is reset but
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//| not powered down.
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//|
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//| :param ~microcontroller.RunMode run_mode: The next run mode
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//|
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STATIC mp_obj_t mcu_on_next_reset(mp_obj_t run_mode_obj) {
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mcu_runmode_t run_mode;
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if (run_mode_obj == &mcu_runmode_normal_obj) {
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run_mode = RUNMODE_NORMAL;
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} else if (run_mode_obj == &mcu_runmode_safe_mode_obj) {
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run_mode = RUNMODE_SAFE_MODE;
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} else if (run_mode_obj == &mcu_runmode_bootloader_obj) {
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run_mode = RUNMODE_BOOTLOADER;
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} else {
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mp_raise_ValueError(translate("Invalid run mode."));
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}
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common_hal_mcu_on_next_reset(run_mode);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mcu_on_next_reset_obj, mcu_on_next_reset);
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//| .. function:: reset()
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//|
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//| Reset the microcontroller. After reset, the microcontroller will enter the
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//| run mode last set by `on_next_reset`.
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//|
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//| .. warning:: This may result in file system corruption when connected to a
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//| host computer. Be very careful when calling this! Make sure the device
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//| "Safely removed" on Windows or "ejected" on Mac OSX and Linux.
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//|
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STATIC mp_obj_t mcu_reset(void) {
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common_hal_mcu_reset();
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// We won't actually get here because we're resetting.
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(mcu_reset_obj, mcu_reset);
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//| .. data:: nvm
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//|
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//| Available non-volatile memory.
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//| This object is the sole instance of `nvm.ByteArray` when available or ``None`` otherwise.
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//|
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//| :type: nvm.ByteArray or None
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//|
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//| :mod:`microcontroller.pin` --- Microcontroller pin names
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//| --------------------------------------------------------
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//|
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//| .. module:: microcontroller.pin
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//| :synopsis: Microcontroller pin names
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//| :platform: SAMD21
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//|
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//| References to pins as named by the microcontroller
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//|
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const mp_obj_module_t mcu_pin_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mcu_pin_globals,
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};
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STATIC const mp_rom_map_elem_t mcu_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_microcontroller) },
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{ MP_ROM_QSTR(MP_QSTR_cpu), MP_ROM_PTR(&common_hal_mcu_processor_obj) },
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{ MP_ROM_QSTR(MP_QSTR_delay_us), MP_ROM_PTR(&mcu_delay_us_obj) },
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{ MP_ROM_QSTR(MP_QSTR_disable_interrupts), MP_ROM_PTR(&mcu_disable_interrupts_obj) },
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{ MP_ROM_QSTR(MP_QSTR_enable_interrupts), MP_ROM_PTR(&mcu_enable_interrupts_obj) },
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{ MP_ROM_QSTR(MP_QSTR_on_next_reset), MP_ROM_PTR(&mcu_on_next_reset_obj) },
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{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&mcu_reset_obj) },
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#if CIRCUITPY_INTERNAL_NVM_SIZE > 0
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{ MP_ROM_QSTR(MP_QSTR_nvm), MP_ROM_PTR(&common_hal_mcu_nvm_obj) },
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#else
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{ MP_ROM_QSTR(MP_QSTR_nvm), MP_ROM_PTR(&mp_const_none_obj) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_RunMode), MP_ROM_PTR(&mcu_runmode_type) },
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{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&mcu_pin_type) },
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{ MP_ROM_QSTR(MP_QSTR_pin), MP_ROM_PTR(&mcu_pin_module) },
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{ MP_ROM_QSTR(MP_QSTR_Processor), MP_ROM_PTR(&mcu_processor_type) },
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};
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STATIC MP_DEFINE_CONST_DICT(mcu_module_globals, mcu_module_globals_table);
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const mp_obj_module_t microcontroller_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&mcu_module_globals,
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};
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