STM32 MCUs Embedded software

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SD_RX_OVERRUN on HAL_SD_ReadBlocks

Posted on October 20, 2016 at 18:05 Hi. I'm using the STM32F769I-DISCO board. I'm trying to manage the SD card in FAT FS. I've merged a new project created in CubeMX and the 'FatFs_uSD' example from STM32F769I_EVAL example. I...

releaseMode is frozen (solved)

Posted on December 05, 2017 at 08:53Progrma is well work in debug mode but not in release mode.because of printf(' ');so I change'printf ('');' to//&sharpdefine DEBUG_MODE 0'&sharpifdef DEBUG_MODE printf(''); &sharpendif 'and then well work in relas...

Soft PWM?

Posted on December 04, 2017 at 23:33I need to update DAC in PWM.I have STM32F103C8T6 and two free timers (TIM3, TIM4).But they only have one global interrupt. How do I get PWM?I'm only called HAL_TIM_PWM_PulseFinishedCallback() and I get the meander...

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Is this the bug?

Posted on December 04, 2017 at 03:51 I use STM32 Cube to config USART2 to transmit data to computer. I don't enable USART2 Interrupt. I use DMA for USART2 Tx only (DMA1 Stream 6).uint8_t Data_to_send[5000]; __IO uint8_t Probe=0;int main(void) { HAL...

STM32f429 and USB_OTG_FS connections

Posted on December 01, 2017 at 09:40Hello STM members,Currently i am working on STM32f429 (144-LQFN) controller.For this project we have requiremnt USB_OTG_FS interface.I have query regarding USB OTG connections.1. Our system is working on 3.3v Now ...

STM32F1 FreeRtos Problem

Posted on December 03, 2017 at 07:32Hello.i using STM32F103 microcontroller,iar compiler and SPL libraryi tried to run FreeRtos on microcontrollerso i download FreeRtos Files From this link:https://sourceforge.net/projects/freertos/files/FreeRTOS/Fr...

[BUG] SDIO + RTOS (Stat = STA_NOINIT)

Posted on December 02, 2017 at 03:42 Hi, I just took two days to trace a bug that only appeared when I was doing concurrent reads & writes on my SD card from separate threads in FREERTOS. The bug is in sd_diskio.c and needs fixing intwo fun...