Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on October 10, 2015 at 21:52Hi Everyone,I am working on OV7670 module (no FIFO) with STM32F407 chip. Due to I want to get image in 640x480 pixels so I try to manual scan (don't use DMCI). I set REG_CLKRC = CLK_EXT and control clock (set LOW/H...
Posted on October 12, 2015 at 14:15Hi! I have a problem with flashing stm32f429. I using ST LinkV2 on stm32f429 Discovery Board to flash for external stm32f429 board ( that I made) , it have erased successfully, I programmed about 30% and it got ...
Posted on September 19, 2015 at 23:35Hi,The function SystemInit_ExtMemCtl() in the file system_stm32f7xx.c is not ported to STM32F7-DISCO, since the DISCO and EVAL use different SDRAM, it will not work.Another thing, the SystemClock is configured in...
Posted on October 13, 2015 at 21:12the mcu i used : STM32F105R8T6, the flash size is 64k, according to the PM0075, the last page should be 0x0800 F800 ~ 0x0800 FFFF. However I tried to write and read back the data on page 0x0802 0000 ~ 0x0802 07FFF ...
Posted on October 12, 2015 at 18:59 Hi I want to know whether there is penalty on accessing an array from a structure vs accessing by a simple array. Here is my snippet which i used when I faced the problem unsigned char ...
Posted on October 13, 2015 at 14:52The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on October 08, 2015 at 11:07I checked the datasheet and couldn't find the information whether the thermal pad should be connected to board ground, although another engineer told me it is very common to do so. Would anyone please advise whethe...
Posted on October 13, 2015 at 10:08Hi, Im using STM32F071RB. For SW certification purpose, I need to get rid of libraries and operate at register level. I modified the init function for USART1 RX in DMA mode: HAL_StatusTypeDef HAL_UART_Init(UART_Han...
Posted on October 12, 2015 at 21:55Hi All! I'd like to know is there a way (linker directive or something) to set option byte value I'm aware that I can set ROP when downloading the program via ST_link, but that means there's a chance that I forget ...
Posted on October 13, 2015 at 15:32In file: ...\STM32F4xx_DSP_StdPeriph_Lib_V1.6.0\Project\STM32F4xx_StdPeriph_Examples\ADC\ADC_TripleModeInterleaved\main.cIs DMA_Memory0BaseAddr really intended to be a pointer to a pointer?The variable aADCTripleCo...
