Storage
VFS
The UART implementation of VFS operators has been moved from vfs component to esp_driver_uart component.
APIs with esp_vfs_dev_uart_ prefix are all deprecated, replaced with new APIs in uart_vfs.h starting with uart_vfs_dev_ prefix. Specifically,
- esp_vfs_dev_uart_register has been renamed to uart_vfs_dev_register
- esp_vfs_dev_uart_port_set_rx_line_endings has been renamed to uart_vfs_dev_port_set_rx_line_endings
- esp_vfs_dev_uart_port_set_tx_line_endings has been renamed to uart_vfs_dev_port_set_tx_line_endings
- esp_vfs_dev_uart_use_nonblocking has been renamed to uart_vfs_dev_use_nonblocking
- esp_vfs_dev_uart_use_driver has been renamed to uart_vfs_dev_use_driver
For compatibility, vfs component still registers esp_driver_uart as its private dependency. In other words, you do not need to modify the CMake file of an existing project.
SPI Flash Driver
XMC-C series flash suspend support has been removed. According to feedback from the flash manufacturer, in some situations the XMC-C flash would require a 1ms interval between resume and next command. This is too long for a software request. Based on the above reason, in order to use suspend safely, we decide to remove flash suspend support from XMC-C series. But you can still force enable it via CONFIG_SPI_FLASH_FORCE_ENABLE_XMC_C_SUSPEND. If you have any questions, please contact espressif business support.