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mantisrobot
Associate III
since ‎2021-11-29
‎2023-06-14

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  • 28 Posts
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RTOS f_mount() Heap Leak in HEAP_1 model

2022-01-20
I have a 1 second loop that tries to mount the SD card, It repeatedly calls f_mount() until an SD is detected, however, I've noticed that there is a semaphore created each time f_mount() is called which is not deleted in HEAP_1 mode. So after some ti...

Missing D-Cache clean in "sd_diskio.c" SD_Read() causes SD card FATFS libraries to fail

2022-01-13
I've been working with an F7 processor, using RTOS with the FATFS and an SD card in 4bit mode on SDMMC1.STM32CubeIDE V1.8STM32CubeMX V6.4.0Within the sd_diskio.c file there is the following option to enable D-Cache maintenance when D-Cache is used:/*...

SD Card + RTOS on F7 processor won't work with D-Cache enabled! (My fix below)

2022-01-11
*** EDIT ***Seems this was a memory issue rather than a D-Cache issue, the D-Cache option fixed it as a side effect!*** EDIT ***I have a project setup as follows:STM32F765IIKxRTOSSD Card on SDMMC1 configured as SD 4 bits Wide, DMA EnabledI followed t...

DMA transmit/receive on lpuart1

2021-12-06
I'm using the NUCLEO-H753ZI dev board and have been testing various tx/rx reception modes using HAL routines with RTOS for all the available uarts. I have them all working well except lpuart1. When I try to receive or transmit in DMA mode I get no in...

DMA _Init() being called in wrong place by code generator

2021-11-29
The code generator is inserting the DMA_Init() and BDMA_Init functions in the wrong place, leaving DMA not working unless I manually move them after every call code generator run.I place them in the USER CODE segment above the INIT segment then remov...
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