/* * This file is part of the Micro Python project, http://micropython.org/ * * The MIT License (MIT) * * Copyright (c) 2016 Scott Shawcroft 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 #include #include "py/nlr.h" #include "py/runtime.h" #include "py/binary.h" #include "py/mphal.h" #include "common-hal/microcontroller/__init__.h" #include "shared-bindings/nativeio/AnalogIn.h" #include "user_interface.h" volatile bool adc_in_use = false; void common_hal_nativeio_analogin_construct(nativeio_analogin_obj_t* self, const mcu_pin_obj_t *pin) { if (pin != &pin_TOUT) { nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError, "Pin %q does not have ADC capabilities", pin->name)); } adc_in_use = true; } void common_hal_nativeio_analogin_deinit(nativeio_analogin_obj_t* self) { adc_in_use = false; } uint16_t common_hal_nativeio_analogin_get_value(nativeio_analogin_obj_t *self) { // ADC is 10 bit so shift by 6 to make it 16-bit. return system_adc_read() << 6; }