From 57fde2e07bb2ee4dcff342deed08e4e7799da799 Mon Sep 17 00:00:00 2001 From: Jeff Epler Date: Wed, 6 May 2020 11:04:53 -0500 Subject: sdcardio: implement new library for SD card I/O Testing performed: That a card is successfully mounted on Pygamer with the built in SD card slot This module is enabled for most FULL_BUILD boards, but is disabled for samd21 ("M0"), litex, and pca10100 for various reasons. --- shared-module/sdcardio/SDCard.h | 51 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 shared-module/sdcardio/SDCard.h (limited to 'shared-module/sdcardio/SDCard.h') diff --git a/shared-module/sdcardio/SDCard.h b/shared-module/sdcardio/SDCard.h new file mode 100644 index 000000000..76c906029 --- /dev/null +++ b/shared-module/sdcardio/SDCard.h @@ -0,0 +1,51 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2020 Jeff Epler 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. + */ + +#pragma once + +#include "py/obj.h" +#include "py/objproperty.h" +#include "py/runtime.h" +#include "py/objarray.h" + +#include "common-hal/busio/SPI.h" +#include "common-hal/digitalio/DigitalInOut.h" + +typedef struct { + mp_obj_base_t base; + busio_spi_obj_t *bus; + digitalio_digitalinout_obj_t cs; + int cdv; + int baudrate; + uint32_t sectors; +} sdcardio_sdcard_obj_t; + +void common_hal_sdcardio_sdcard_construct(sdcardio_sdcard_obj_t *self, busio_spi_obj_t *spi, mcu_pin_obj_t *cs, int baudrate); +void common_hal_sdcardio_sdcard_deinit(sdcardio_sdcard_obj_t *self); +void common_hal_sdcardio_sdcard_check_for_deinit(sdcardio_sdcard_obj_t *self); +int common_hal_sdcardio_sdcard_get_blockcount(sdcardio_sdcard_obj_t *self); +int common_hal_sdcardio_sdcard_readblocks(sdcardio_sdcard_obj_t *self, uint32_t start_block, mp_buffer_info_t *buf); +int common_hal_sdcardio_sdcard_writeblocks(sdcardio_sdcard_obj_t *self, uint32_t start_block, mp_buffer_info_t *buf); -- cgit v1.2.3