diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/.mxproject b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/.mxproject
index 3923f46177aacbe95a5db2e2555daed90c6189f6..6f279698a91389de48f2a0eb5f89634b6967d1e3 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/.mxproject
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/.mxproject
@@ -1,13 +1,13 @@
 [PreviousGenFiles]
-HeaderPath=/home/zyh/Documents/rt-thread/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc
+HeaderPath=D:/Work_RT-Thread/GitHub/rt-thread/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc
 HeaderFiles=stm32f4xx_it.h;stm32f4xx_hal_conf.h;main.h;pdm2pcm.h;
-SourcePath=/home/zyh/Documents/rt-thread/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src
+SourcePath=D:/Work_RT-Thread/GitHub/rt-thread/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src
 SourceFiles=stm32f4xx_it.c;stm32f4xx_hal_msp.c;main.c;pdm2pcm.c;
 
 [PreviousLibFiles]
-LibFiles=Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_crc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_fmc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_sdram.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_qspi.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_usb.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_exti.h;Middlewares/ST/STM32_Audio/Addons/PDM/Inc/pdm2pcm_glo.h;Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_crc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_qspi.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_crc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_fmc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_sdram.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_qspi.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_usb.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_exti.h;Middlewares/ST/STM32_Audio/Addons/PDM/Inc/pdm2pcm_glo.h;Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f469xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/system_stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;Drivers/CMSIS/Include/cmsis_version.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/tz_context.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/core_cm1.h;
+LibFiles=Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_crc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_fmc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_sdram.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_qspi.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_usb.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_exti.h;Middlewares/ST/STM32_Audio/Addons/PDM/Inc/pdm2pcm_glo.h;Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_crc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_qspi.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_crc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_fmc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_sdram.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2s_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_qspi.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_tim_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pcd_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_usb.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_rcc_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_flash_ramfunc.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_gpio_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_dma.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_pwr_ex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_cortex.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal.h;Drivers/STM32F4xx_HAL_Driver/Inc/Legacy/stm32_hal_legacy.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_def.h;Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_exti.h;Middlewares/ST/STM32_Audio/Addons/PDM/Inc/pdm2pcm_glo.h;Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f469xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Include/system_stm32f4xx.h;Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;Drivers/CMSIS/Include/cmsis_armcc.h;Drivers/CMSIS/Include/cmsis_armclang.h;Drivers/CMSIS/Include/cmsis_compiler.h;Drivers/CMSIS/Include/cmsis_gcc.h;Drivers/CMSIS/Include/cmsis_iccarm.h;Drivers/CMSIS/Include/cmsis_version.h;Drivers/CMSIS/Include/core_armv8mbl.h;Drivers/CMSIS/Include/core_armv8mml.h;Drivers/CMSIS/Include/core_cm0.h;Drivers/CMSIS/Include/core_cm0plus.h;Drivers/CMSIS/Include/core_cm1.h;Drivers/CMSIS/Include/core_cm23.h;Drivers/CMSIS/Include/core_cm3.h;Drivers/CMSIS/Include/core_cm33.h;Drivers/CMSIS/Include/core_cm4.h;Drivers/CMSIS/Include/core_cm7.h;Drivers/CMSIS/Include/core_sc000.h;Drivers/CMSIS/Include/core_sc300.h;Drivers/CMSIS/Include/mpu_armv7.h;Drivers/CMSIS/Include/mpu_armv8.h;Drivers/CMSIS/Include/tz_context.h;
 
 [PreviousUsedKeilFiles]
-SourceFiles=../Src/main.c;../Src/pdm2pcm.c;../Src/stm32f4xx_it.c;../Src/stm32f4xx_hal_msp.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_crc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_qspi.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;..//Src/system_stm32f4xx.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_crc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_qspi.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;..//Src/system_stm32f4xx.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;/home/zyh/Documents/rt-thread/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config//MDK-ARM/startup_stm32f469xx.s;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;
-HeaderPath=../Drivers/STM32F4xx_HAL_Driver/Inc;../Drivers/STM32F4xx_HAL_Driver/Inc/Legacy;../Middlewares/ST/STM32_Audio/Addons/PDM/Inc;../Drivers/CMSIS/Device/ST/STM32F4xx/Include;../Drivers/CMSIS/Include;../Inc;
+SourceFiles=..\Src\main.c;..\Src\pdm2pcm.c;..\Src\stm32f4xx_it.c;..\Src\stm32f4xx_hal_msp.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_crc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_qspi.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;../\Src/system_stm32f4xx.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_crc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_fmc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sdram.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2s_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_qspi.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_tim_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_uart.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_usb.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_rcc_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_flash_ramfunc.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_gpio.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dma.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pwr_ex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_cortex.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal.c;../Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;../\Src/system_stm32f4xx.c;../Drivers/CMSIS/Device/ST/STM32F4xx/Source/Templates/system_stm32f4xx.c;null;../Middlewares/ST/STM32_Audio/Addons/PDM/Lib/libPDMFilter_CM4_Keil_wc16.lib;
+HeaderPath=..\Drivers\STM32F4xx_HAL_Driver\Inc;..\Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;..\Middlewares\ST\STM32_Audio\Addons\PDM\Inc;..\Drivers\CMSIS\Device\ST\STM32F4xx\Include;..\Drivers\CMSIS\Include;..\Inc;
 
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/CubeMX_Config.ioc b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/CubeMX_Config.ioc
index 13115bfa11109d5957f19955292c6707c34a1343..3e25b8f2fc1ea0f02e8a71a114fef3cd8d8b6aaa 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/CubeMX_Config.ioc
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/CubeMX_Config.ioc
@@ -1,16 +1,4 @@
 #MicroXplorer Configuration settings - do not modify
-Dma.Request0=SPI3_RX
-Dma.RequestsNb=1
-Dma.SPI3_RX.0.Direction=DMA_PERIPH_TO_MEMORY
-Dma.SPI3_RX.0.FIFOMode=DMA_FIFOMODE_DISABLE
-Dma.SPI3_RX.0.Instance=DMA1_Stream0
-Dma.SPI3_RX.0.MemDataAlignment=DMA_MDATAALIGN_BYTE
-Dma.SPI3_RX.0.MemInc=DMA_MINC_ENABLE
-Dma.SPI3_RX.0.Mode=DMA_NORMAL
-Dma.SPI3_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE
-Dma.SPI3_RX.0.PeriphInc=DMA_PINC_DISABLE
-Dma.SPI3_RX.0.Priority=DMA_PRIORITY_LOW
-Dma.SPI3_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode
 FMC.CASLatency1=FMC_SDRAM_CAS_LATENCY_3
 FMC.ExitSelfRefreshDelay1=7
 FMC.IPParameters=CASLatency1,ReadBurst1,ReadBurst2,SDClockPeriod1,SDClockPeriod2,LoadToActiveDelay1,ExitSelfRefreshDelay1,SelfRefreshTime1,RowCycleDelay1,RowCycleDelay2,WriteRecoveryTime1,RPDelay1,RPDelay2,RCDDelay1
@@ -39,19 +27,18 @@ I2S3.VirtualMode=I2S_MODE_MASTER
 KeepUserPlacement=false
 Mcu.Family=STM32F4
 Mcu.IP0=CRC
-Mcu.IP1=DMA
-Mcu.IP10=TIM4
-Mcu.IP11=USART3
-Mcu.IP12=USB_OTG_FS
-Mcu.IP2=FMC
-Mcu.IP3=GFXSIMULATOR
-Mcu.IP4=I2S3
-Mcu.IP5=NVIC
-Mcu.IP6=PDM2PCM
-Mcu.IP7=QUADSPI
-Mcu.IP8=RCC
-Mcu.IP9=SYS
-Mcu.IPNb=13
+Mcu.IP1=FMC
+Mcu.IP10=USART3
+Mcu.IP11=USB_OTG_FS
+Mcu.IP2=GFXSIMULATOR
+Mcu.IP3=I2S3
+Mcu.IP4=NVIC
+Mcu.IP5=PDM2PCM
+Mcu.IP6=QUADSPI
+Mcu.IP7=RCC
+Mcu.IP8=SYS
+Mcu.IP9=TIM4
+Mcu.IPNb=12
 Mcu.Name=STM32F469NIHx
 Mcu.Package=TFBGA216
 Mcu.Pin0=PE1
@@ -142,7 +129,6 @@ Mcu.UserName=STM32F469NIHx
 MxCube.Version=5.1.0
 MxDb.Version=DB.5.0.10
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
-NVIC.DMA1_Stream0_IRQn=true\:0\:0\:false\:false\:true\:false\:true
 NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false
 NVIC.MemoryManagement_IRQn=true\:0\:0\:false\:false\:true\:false\:false
@@ -306,7 +292,7 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=MDK-ARM V5
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-MX_DMA_Init-DMA-false-HAL-true,3-MX_USART3_UART_Init-USART3-false-HAL-true,4-MX_FMC_Init-FMC-false-HAL-true,5-MX_QUADSPI_Init-QUADSPI-false-HAL-true,6-MX_GFXSIMULATOR_Init-GFXSIMULATOR-false-HAL-true,7-MX_CRC_Init-CRC-false-HAL-true,8-MX_I2S3_Init-I2S3-false-HAL-true,9-MX_TIM4_Init-TIM4-false-HAL-true,10-MX_PDM2PCM_Init-PDM2PCM-false-HAL-true,11-MX_USB_OTG_FS_PCD_Init-USB_OTG_FS-false-HAL-true,12-SystemClock_Config-RCC-false-HAL-false
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-MX_USART3_UART_Init-USART3-false-HAL-true,3-MX_FMC_Init-FMC-false-HAL-true,4-MX_QUADSPI_Init-QUADSPI-false-HAL-true,5-MX_GFXSIMULATOR_Init-GFXSIMULATOR-false-HAL-true,6-MX_CRC_Init-CRC-false-HAL-true,7-MX_I2S3_Init-I2S3-false-HAL-true,8-MX_TIM4_Init-TIM4-false-HAL-true,9-MX_PDM2PCM_Init-PDM2PCM-false-HAL-true,10-MX_USB_OTG_FS_PCD_Init-USB_OTG_FS-false-HAL-true,11-SystemClock_Config-RCC-false-HAL-false
 QUADSPI.ChipSelectHighTime=QSPI_CS_HIGH_TIME_5_CYCLE
 QUADSPI.ClockPrescaler=1
 QUADSPI.FifoThreshold=4
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/pdm2pcm.h b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/pdm2pcm.h
index 9dc77caa66e118020620f5b94309dbb7afd7d1ce..eaf29f978361ef4aa822c2b8b7174862a8f110f5 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/pdm2pcm.h
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/pdm2pcm.h
@@ -36,8 +36,6 @@
 /* Global variables ---------------------------------------------------------*/
 extern PDM_Filter_Handler_t PDM1_filter_handler;
 extern PDM_Filter_Config_t PDM1_filter_config;
-extern PDM_Filter_Handler_t PDM2_filter_handler;
-extern PDM_Filter_Config_t PDM2_filter_config;
 
 /* USER CODE BEGIN 1 */
 /* USER CODE END 1 */
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/stm32f4xx_it.h b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/stm32f4xx_it.h
index 797956c659eb1528ae707a40b055c362d0295080..e3ace094d0da04efaf4e46e3009c165f3972dbc1 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/stm32f4xx_it.h
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Inc/stm32f4xx_it.h
@@ -56,7 +56,6 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
-void DMA1_Stream0_IRQHandler(void);
 void SPI3_IRQHandler(void);
 void OTG_FS_IRQHandler(void);
 /* USER CODE BEGIN EFP */
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/main.c b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/main.c
index 9dd7468b8bb0a6769a0c2f7159d0736349105af6..4bef0a95b2d09dc17b5f80cc12c4939973e7f4e1 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/main.c
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/main.c
@@ -46,7 +46,6 @@
 CRC_HandleTypeDef hcrc;
 
 I2S_HandleTypeDef hi2s3;
-DMA_HandleTypeDef hdma_spi3_rx;
 
 QSPI_HandleTypeDef hqspi;
 
@@ -65,7 +64,6 @@ SDRAM_HandleTypeDef hsdram1;
 /* Private function prototypes -----------------------------------------------*/
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
-static void MX_DMA_Init(void);
 static void MX_USART3_UART_Init(void);
 static void MX_FMC_Init(void);
 static void MX_QUADSPI_Init(void);
@@ -111,7 +109,6 @@ int main(void)
 
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
-  MX_DMA_Init();
   MX_USART3_UART_Init();
   MX_FMC_Init();
   MX_QUADSPI_Init();
@@ -445,20 +442,6 @@ static void MX_USB_OTG_FS_PCD_Init(void)
 
 }
 
-/** 
-  * Enable DMA controller clock
-  */
-static void MX_DMA_Init(void) 
-{
-  /* DMA controller clock enable */
-  __HAL_RCC_DMA1_CLK_ENABLE();
-
-  /* DMA interrupt init */
-  /* DMA1_Stream0_IRQn interrupt configuration */
-  HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0, 0);
-  HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn);
-
-}
 /* FMC initialization function */
 static void MX_FMC_Init(void)
 {
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/pdm2pcm.c b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/pdm2pcm.c
index 9df4071b251dadf1c2e67836c2a9f35fbb88a86d..9237ee2d7219e8e7ffb627d68d48b4b0ebe86930 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/pdm2pcm.c
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/pdm2pcm.c
@@ -28,8 +28,6 @@
 /* Global variables ---------------------------------------------------------*/
 PDM_Filter_Handler_t PDM1_filter_handler;
 PDM_Filter_Config_t PDM1_filter_config;
-PDM_Filter_Handler_t PDM2_filter_handler;
-PDM_Filter_Config_t PDM2_filter_config;
 
 /* USER CODE BEGIN 1 */
 /* USER CODE END 1 */
@@ -54,30 +52,6 @@ void MX_PDM2PCM_Init(void)
   PDM1_filter_config.mic_gain = 0; 
   PDM_Filter_setConfig(&PDM1_filter_handler, &PDM1_filter_config);
 
-  PDM2_filter_handler.bit_order = PDM_FILTER_BIT_ORDER_LSB;
-  PDM2_filter_handler.endianness = PDM_FILTER_ENDIANNESS_BE;
-  PDM2_filter_handler.high_pass_tap = 2104533974;
-  PDM2_filter_handler.in_ptr_channels = 2;
-  PDM2_filter_handler.out_ptr_channels = 2; 
-  PDM_Filter_Init(&PDM2_filter_handler);
-
-  PDM2_filter_config.decimation_factor = PDM_FILTER_DEC_FACTOR_64;
-  PDM2_filter_config.output_samples_number = 16;
-  PDM2_filter_config.mic_gain = 0; 
-  PDM_Filter_setConfig(&PDM2_filter_handler, &PDM2_filter_config);
-
-  PDM2_filter_handler.bit_order = PDM_FILTER_BIT_ORDER_LSB;
-  PDM2_filter_handler.endianness = PDM_FILTER_ENDIANNESS_BE;
-  PDM2_filter_handler.high_pass_tap = 2104533974;
-  PDM2_filter_handler.in_ptr_channels = 2;
-  PDM2_filter_handler.out_ptr_channels = 2; 
-  PDM_Filter_Init(&PDM2_filter_handler);
-
-  PDM2_filter_config.decimation_factor = PDM_FILTER_DEC_FACTOR_64;
-  PDM2_filter_config.output_samples_number = 16;
-  PDM2_filter_config.mic_gain = 0; 
-  PDM_Filter_setConfig(&PDM2_filter_handler, &PDM2_filter_config);
-
   /* USER CODE BEGIN 3 */
   /* USER CODE END 3 */
 
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_hal_msp.c b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_hal_msp.c
index d248c4b77df27959d87cb515d0dc866818a9a366..27498017d84618e53aef6fa63c994008d89f8225 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_hal_msp.c
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_hal_msp.c
@@ -24,7 +24,6 @@
 /* USER CODE BEGIN Includes */
 
 /* USER CODE END Includes */
-extern DMA_HandleTypeDef hdma_spi3_rx;
 
 /* Private typedef -----------------------------------------------------------*/
 /* USER CODE BEGIN TD */
@@ -170,25 +169,6 @@ void HAL_I2S_MspInit(I2S_HandleTypeDef* hi2s)
     GPIO_InitStruct.Alternate = GPIO_AF5_I2S3ext;
     HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
 
-    /* I2S3 DMA Init */
-    /* SPI3_RX Init */
-    hdma_spi3_rx.Instance = DMA1_Stream0;
-    hdma_spi3_rx.Init.Channel = DMA_CHANNEL_0;
-    hdma_spi3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
-    hdma_spi3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
-    hdma_spi3_rx.Init.MemInc = DMA_MINC_ENABLE;
-    hdma_spi3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
-    hdma_spi3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
-    hdma_spi3_rx.Init.Mode = DMA_NORMAL;
-    hdma_spi3_rx.Init.Priority = DMA_PRIORITY_LOW;
-    hdma_spi3_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
-    if (HAL_DMA_Init(&hdma_spi3_rx) != HAL_OK)
-    {
-      Error_Handler();
-    }
-
-    __HAL_LINKDMA(hi2s,hdmarx,hdma_spi3_rx);
-
     /* I2S3 interrupt Init */
     HAL_NVIC_SetPriority(SPI3_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(SPI3_IRQn);
@@ -226,9 +206,6 @@ void HAL_I2S_MspDeInit(I2S_HandleTypeDef* hi2s)
 
     HAL_GPIO_DeInit(GPIOD, GPIO_PIN_6);
 
-    /* I2S3 DMA DeInit */
-    HAL_DMA_DeInit(hi2s->hdmarx);
-
     /* I2S3 interrupt DeInit */
     HAL_NVIC_DisableIRQ(SPI3_IRQn);
   /* USER CODE BEGIN SPI3_MspDeInit 1 */
diff --git a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_it.c b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_it.c
index b1364ade16223643e7f13920c11b924f87ac4398..e34771f98d2e5753dbda2761bb365842aef14ba7 100644
--- a/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_it.c
+++ b/bsp/stm32/stm32f469-st-disco/board/CubeMX_Config/Src/stm32f4xx_it.c
@@ -56,7 +56,6 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-extern DMA_HandleTypeDef hdma_spi3_rx;
 extern I2S_HandleTypeDef hi2s3;
 extern PCD_HandleTypeDef hpcd_USB_OTG_FS;
 /* USER CODE BEGIN EV */
@@ -199,20 +198,6 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/
 
-/**
-  * @brief This function handles DMA1 stream0 global interrupt.
-  */
-void DMA1_Stream0_IRQHandler(void)
-{
-  /* USER CODE BEGIN DMA1_Stream0_IRQn 0 */
-
-  /* USER CODE END DMA1_Stream0_IRQn 0 */
-  HAL_DMA_IRQHandler(&hdma_spi3_rx);
-  /* USER CODE BEGIN DMA1_Stream0_IRQn 1 */
-
-  /* USER CODE END DMA1_Stream0_IRQn 1 */
-}
-
 /**
   * @brief This function handles SPI3 global interrupt.
   */
diff --git a/bsp/stm32/stm32f469-st-disco/project.uvoptx b/bsp/stm32/stm32f469-st-disco/project.uvoptx
index cb05257668d3c59103910b7bc4a95a455e8f0f27..b06ff5bda828818ac2bd3ba7d0bc9b0beaebd4f6 100644
--- a/bsp/stm32/stm32f469-st-disco/project.uvoptx
+++ b/bsp/stm32/stm32f469-st-disco/project.uvoptx
@@ -73,7 +73,7 @@
         <LExpSel>0</LExpSel>
       </OPTXL>
       <OPTFL>
-        <tvExp>0</tvExp>
+        <tvExp>1</tvExp>
         <tvExpOptDlg>0</tvExpOptDlg>
         <IsCurrentTarget>1</IsCurrentTarget>
       </OPTFL>
@@ -295,8 +295,8 @@
       <tvExp>0</tvExp>
       <tvExpOptDlg>0</tvExpOptDlg>
       <bDave2>0</bDave2>
-      <PathWithFileName>..\..\..\src\mem.c</PathWithFileName>
-      <FilenameWithoutPath>mem.c</FilenameWithoutPath>
+      <PathWithFileName>..\..\..\src\memheap.c</PathWithFileName>
+      <FilenameWithoutPath>memheap.c</FilenameWithoutPath>
       <RteFlg>0</RteFlg>
       <bShared>0</bShared>
     </File>
diff --git a/bsp/stm32/stm32f469-st-disco/project.uvprojx b/bsp/stm32/stm32f469-st-disco/project.uvprojx
index c6f4262edef5bab4e7010718cb57c0af49da9338..18a38d600f2729d486d2bcb8794bd1077804b43b 100644
--- a/bsp/stm32/stm32f469-st-disco/project.uvprojx
+++ b/bsp/stm32/stm32f469-st-disco/project.uvprojx
@@ -338,7 +338,7 @@
               <MiscControls></MiscControls>
               <Define>USE_HAL_DRIVER, STM32F469xx</Define>
               <Undefine></Undefine>
-              <IncludePath>.;..\..\..\include;applications;.;board;board\CubeMX_Config\Inc;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Inc;..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include;..\libraries\STM32F4xx_HAL\CMSIS\Include</IncludePath>
+              <IncludePath>.;..\..\..\include;applications;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\finsh;..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Inc;..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include;..\libraries\STM32F4xx_HAL\CMSIS\Include</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -423,9 +423,9 @@
               <FilePath>..\..\..\src\kservice.c</FilePath>
             </File>
             <File>
-              <FileName>mem.c</FileName>
+              <FileName>memheap.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\mem.c</FilePath>
+              <FilePath>..\..\..\src\memheap.c</FilePath>
             </File>
             <File>
               <FileName>mempool.c</FileName>