72 lines
2.8 KiB
C
72 lines
2.8 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) 2021 Scott Shawcroft 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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#ifndef MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGFASTIN_H
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#define MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGFASTIN_H
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#include "common-hal/microcontroller/Pin.h"
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#include "py/obj.h"
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// We can extend the struct without impact to existing code
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typedef struct {
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mp_obj_base_t base;
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const mcu_pin_obj_t *pin;
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uint8_t *buffer;
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uint32_t len;
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uint8_t bytes_per_sample;
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bool samples_signed;
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uint32_t sample_rate;
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uint8_t chan;
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uint dma_chan;
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// data_size = DMA_SIZE_8; // - default DMA_SIZE_8
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// data_size = DMA_SIZE_16; // - default DMA_SIZE_16
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// Either 12 bits in 16 or 12 over 2 bytes or truncate 12 to 8 in 8
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// Either B or H, default array.array("h", [0]*length) "h"==short (16 bits signed)
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} analogio_analogfastin_obj_t;
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// void common_hal_analogio_analogfastin_construct(analogio_analogfastin_obj_t *self, const mcu_pin_obj_t *pin, uint8_t *buffer, uint32_t len, uint8_t bytes_per_sample, bool samples_signed, uint32_t sample_rate)
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/*
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void common_hal_analogio_analogfastin_construct(analogio_analogfastin_obj_t *self,
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const mcu_pin_obj_t *pin,
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uint8_t *buffer,
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uint32_t len,
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uint8_t bytes_per_sample,
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bool samples_signed,
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uint32_t sample_rate) {
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self->pin = pin;
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self->buffer = buffer;
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self->len = len;
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//self->bits_per_sample = bytes_per_sample * 8;
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self->samples_signed = samples_signed;
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self->sample_rate = sample_rate;
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}
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*/
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void analogfastin_init(void);
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#endif // MICROPY_INCLUDED_RASPBERRYPI_COMMON_HAL_ANALOGIO_ANALOGFASTIN_H
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