Forum Posts
does anyone know on 'LITTLE File System' ?
hi,i'm porting of little file system in to the m7 b/dafter the porting task is done, it can not be operated properly.it prints to the console 'corrupted dir pair at 0x0 0x1'i don't know why this print message..here is my lfs settings#define LFS_READ_...
Problem using DAC with DMA
Hi,I'm writing a post because I have a problem with the utilization of my DAC on my STM32F410RB.I'm using the DAC with the DMA to not surcharge the CPU but it seems not working every time.In fact when I'm triggering the DAC at high frequency 6 MHz fo...
Where is the .a file for the default printf family?
I believe it is in libc.a or some such, but I can't see the config in Cube (32F417) and gradually renaming all candidate files in c:\st\... has failed to locate it (by hopefully throwing up an error).The project is in c:\xxxxxx\project1 but this libr...
STM32F407 SPI COMMUNICATION ERROR?
FIG1(FIRST VENDOR)FIG2. (SECOND VENDOR)I am using STM32F407 chip from two different vendors, the chip from first vendor works well with my SPI config but the chip from second vendor doesn't work with my SPI config. I am attaching with the pics of my ...
Resolved! Difference of writing 0xFFFFFFFFFFFFFFFF to page erase in flash?
Hi,After a flash page erase I can write 0xFFFFFFFFFFFFFFFF to a certain position in my desired page (see code snippet). This for sure doesn't change the content of my Flash. However if I want to write again on that very same position, a PROGERR comes...
STM32F103 SPI peripheral driver
Hey guys I am having one issue, with the stm32f103 SPI peripheral. I have developed my SPI bare metal mode(spi_mast_tran_byte(), spi_mast_recv_byte() : see pitchers below) and w25q128 flash memory in which I am reading its JDEC ID which is at address...
stm32f746disco board repair
hi,i have purchased the stm32f746 disco board recentlythe disco board stlink connection is in fail, after the i have shorted 5V - GND (big big big mistak..)i found that this led(LD7) control is in charge st-link mcu (stm32f103)LD7 Red LED is toggled ...
Region RAM overflowed by 56520 bytes error?
My program does not fit into RAM region as stated in the title. However, I need to fit it somehow. How can I do it? Is it OK if I use SDRAM? Or how to decrease the usage of RAM?Btw, my board is STM32F746G-DISCO. Where can I find information about SDR...
Merge the two half-duplex I2S in STM32F07X to 1 full duplex I2S
I need to use the I2S of uC to communicate the Codec with the full duplex mode.Can I use the two half-duplex I2S in STM32F07X (e.g., STM32F071CBT7TR) to get that? I know that in the STM32F4 series, this function can be achieved with two half-duplex I...
