SiFli-SDK Release v2.4.4

Changelog

Documentation for v2.4.4 is available at https://docs.sifli.com/projects/sdk/v2.4.4/sf32lb52x/index.html

Notice

Board sf32lb52-nano_52j and sf32lb52-nano_52b are obsolete and retained for compatibility. They are not well supported by examples. Please use sf32lb52-nano_a128r16, sf32lb52-nano_n16r16 and sf32lb52-nano_n4 instead.

Change log since v2.4.3

Drivers

Fixed

• rgbled: Sync the RGB LED driver to fix the issue that RGBLED cannot be turned off
• lcpu_a3_patch: Fix compile error when BSP_CHIP_ID_COMPATIBLE is defined for sf32lb55x
• wdtL Fix LCPU crash after wakeup if wdt2 is enabled
• rcc: Not reset GPIO2 when only LCPU is to be reset
• adc: Fix channel7 is not initialized on sf32lb52x, i.e. all 8 channels should be initialized
• adc: Shorten adc acquisition time

Changed

• aon: Add an LCPU sleep function interface for HCPU only application
• adc: Optimize 52x adc channel 0~6 delay
• spi_msd: Add idle mode support

Middleware

Fixed

• lwip: Fix ooseq update error
• lwip/mqtt: Fix MQTT bug when MQTT packet in multiple TCP buffers
• systemview: Fixes systemview not work when compiling using GCC
• fsck: Fix C++ build error when fsck is enabled
• audio: Fix audio 3a bypass bug
• elm_rw: Fix transmission error if file is empty

Changed

• ulog: Enable ULOG_USING_ISR_LOG by default
• mbedtls: Add DigiCert Global Root G2 certificate
• audio: Add anyka speech algo
• systemview: Add support for LVGL v9

Added

• core_dump: Add core dump module (it's dummy for now)

RTOS

Fixed

• Fix rt_kprintf Inf/NaN float issue

Changed

• libc: Add timezone support
• libc: Fix build error if both RT_USING_PTHREADS and RT_USING_LIBC are enabled

Examples

Fixed

• ble/hid: Fix hid example only works during the first connection.
• ble/hid: Fix array out-of-bounds access
• bootloader: Invalidate cache after update ftab to fix OTA failure
• bt/hft: Fix Keil compile issue
• multimedia/lvgl/watch_v9: Fix the compilation error on sf32lb55x
• storage/flashdb/nor: Support board sf32lb56-lcd_n16r12n1 and sf32lb58-lcd_n16r64n4

Tools

Fixed

• build: Fix build error if LIBPATH is not defined or empty
• build: Fix build error on Windows if there's Chinese character in rtconfig.h
• build: Undefined generated macro to avoid redefinition
• build: Disable GCC strict-aliasing to avoid undefined behavior for pointer aliasing
• build: Fixed case sensitivity error in SIFLI_SDK_TOOLS_PATH environment variable
• build: Fix Keil toolchain is not available by subprocess in env

Changed

• bin2bmp: Make bin2bmp work on both python3.x and 2.x
• build: Add LINKFLAGS_POST variable to support user-defined link flags

Docs

Changed

• Update debugging and logging guide

BSP

Fixed

• board: Fix the wrong configuration of PA04, PA17 and PA18 when using DPI display on board sf32lb56-lcd
• board: Change PA44 to nopull to fix VBUS_DET not work on board sf32lb52-lchspi-ulp
• board: Fix board sf32lb52-lchspi-ulp button not work when battery voltage is low
• board: Add PA pin config in board 58-lcd_a128r32n1_dsi to make audio example work

Added

• board: Add board sf32lb52-nano_a128r16, sf32lb52-nano_n16r16 and sf32lb52-nano_n4
• board: Add board sf32lb52-lcd_a128r16
• board: Add board sf32lb52-core_n16r16