I enabled dma tx, dma rx on sdio. but not working . always return disk error. but when i enable dma, only I can read file.

I can not read correctly 512 bytes or more. but 256 bytes read is correct.if i read 1024 byte read , my first byte and byte 512 is not correct

I try enable sdio+fatfs without freertos and every things work fine.when i enable freertos+sdio+fatfs , my fatfs doesn't work.I enabled Dma.(stm32f4cube_v_1.23)(cubemx 5.0.1)(stm32f407zg)

Posted on November 01, 2017 at 07:33#stm32f103vc , #cube:4.23 ,#keil I enable FreeRtos and Fsmc lcd interface. but i got this error..\Middlewares\Third_Party\FreeRTOS\Source\portable\RVDS\ARM_CM3\port.c(412): error: A1586E: Bad operand types (UnDefO...