alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-28 21:33:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(sdmmc_io): support sending CMD53 with fixed address

Browse Source
This commit is contained in:
Xiao Xufeng
2024-05-07 02:45:43 +08:00
parent 3f632df143
commit 096db7521b
4 changed files with 138 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
components/sdmmc/include/sdmmc_cmd.h
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -14,6 +14,10 @@
extern "C" {
#endif
/** Call `sdmmc_io_read_bytes`, `sdmmc_io_write_bytes`, `sdmmc_io_read_blocks` or `sdmmc_io_write_bocks` APIs with
* address ORed by this flag to send CMD53 with OP Code clear (fixed address) */
#define SDMMC_IO_FIXED_ADDR BIT(31)
/**
* Probe and initialize SD/MMC card using given host
*
@@ -196,6 +200,9 @@ esp_err_t sdmmc_io_write_byte(sdmmc_card_t* card, uint32_t function,
* This function performs read operation using CMD53 in byte mode.
* For block mode, see sdmmc_io_read_blocks.
*
* By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with
* `SDMMC_IO_FIXED_ADDR`.
*
* @param card pointer to card information structure previously initialized
* using sdmmc_card_init
* @param function IO function number
@@ -218,6 +225,9 @@ esp_err_t sdmmc_io_read_bytes(sdmmc_card_t* card, uint32_t function,
* This function performs write operation using CMD53 in byte mode.
* For block mode, see sdmmc_io_write_blocks.
*
* By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with
* `SDMMC_IO_FIXED_ADDR`.
*
* @param card pointer to card information structure previously initialized
* using sdmmc_card_init
* @param function IO function number
@@ -239,6 +249,9 @@ esp_err_t sdmmc_io_write_bytes(sdmmc_card_t* card, uint32_t function,
* This function performs read operation using CMD53 in block mode.
* For byte mode, see sdmmc_io_read_bytes.
*
* By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with
* `SDMMC_IO_FIXED_ADDR`.
*
* @param card pointer to card information structure previously initialized
* using sdmmc_card_init
* @param function IO function number
@@ -261,6 +274,9 @@ esp_err_t sdmmc_io_read_blocks(sdmmc_card_t* card, uint32_t function,
* This function performs write operation using CMD53 in block mode.
* For byte mode, see sdmmc_io_write_bytes.
*
* By default OP Code is set (incrementing address). To send CMD53 without this bit, OR the argument `addr` with
* `SDMMC_IO_FIXED_ADDR`.
*
* @param card pointer to card information structure previously initialized
* using sdmmc_card_init
* @param function IO function number