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helper_storage_shared.hpp
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helper_storage_shared.hpp
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/*
MIT License
Copyright (c) 2022 Sukesh Ashok Kumar
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.
*/
// ********** WT32-SC01 *********
// SD Card on Shared SPI bus if required
#define MOUNT_POINT "/sdcard"
static sdmmc_card_t* sdcard;
bool init_sdspi()
{
sdspi_device_config_t device_config = SDSPI_DEVICE_CONFIG_DEFAULT();
device_config.host_id = SDSPI_HOST_ID;
device_config.gpio_cs = SD_CS;
ESP_LOGI(TAG, "Initializing SD card");
sdmmc_host_t host = SDSPI_HOST_DEFAULT();
host.slot = device_config.host_id;
esp_vfs_fat_mount_config_t mount_config =
{
//.format_if_mount_failed = true,
.format_if_mount_failed = false,
.max_files = 5,
.allocation_unit_size = 16 * 1024
};
ESP_LOGI(TAG, "Mounting filesystem");
esp_err_t ret = esp_vfs_fat_sdspi_mount(MOUNT_POINT, &host, &device_config, &mount_config, &sdcard);
if (ret != ESP_OK) {
if (ret == ESP_FAIL) {
ESP_LOGE(TAG, "Failed to mount filesystem. "
"If you want the card to be formatted, enable above in mount_config.");
return ESP_FAIL;
} else {
ESP_LOGE(TAG, "Failed to initialize the card (%s). "
"Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret));
return ESP_FAIL;
}
return ESP_FAIL;
}
ESP_LOGI(TAG, "Filesystem mounted");
// Card has been initialized, print its properties
sdmmc_card_print_info(stdout, sdcard);
return ESP_OK;
}