PWM output issue when cycling frequencies
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SD CARD FAILS ON CALL FMOUNT STM32F107
Posted on August 04, 2017 at 22:49I am having strange problem on some boards, we use stm32f107, it was developed 3 firmware, the first one to check if flash sector of application firmware need update, second one to erase flash of application firmwar...
stm32f103 cubx fatfs problem
Posted on August 04, 2017 at 16:41hii used open file unsigned char read_file (char *filename,unsigned long address,uint8_t *data){ FIL MyFile; /* File object */ char SDPath[4]; /* SD card logical drive path */ FATFS FatFs; /* Work area (file system ...
TIMx_SMCR->SMS - 3 bits or 4?
Posted on August 02, 2017 at 19:28RM0351, section 31.4.3 slave mode control register. chart shows SMS[2:0] but the description of SMS on page 1032 describes a 4 bit number
STM32L443 don't recognize all types of SD cards
Posted on August 04, 2017 at 10:01Hello everyone,I'm working on a project, where I need to store datas on an SD card. I use an STM32L443 microcontroller. The controller communicate with another device through UART communication, and save the datas t...
STM32F427 USB DFU DEMO PROJECT
Posted on August 04, 2017 at 11:24Hi, the STM32F427 has 256KB ram.In the file USB_Device/DFU_Standalone/Src/main.c/* Test if user code is programmed starting from USBD_DFU_APP_DEFAULT_ADD address */ if(((*(__IO uint32_t*)USBD_DFU_APP_DEFAULT_ADD) &...
Timer generate a delayed pulse with same width as input
Posted on August 02, 2017 at 20:25Hi all, is it possible to use timer to capture the input pulse, and generate the output pulse with same width and a certain delay.I have tried use one pulse mode with connect input on two channel, one trigger with r...
Stm32f469 read protection L1 factory settings?
Posted on August 02, 2017 at 22:17Hello, I have a question about the first time programming of the STM32F469 (and probably other chips of the same family). I am designing a 469 powered board and I just built one prototype. I was able to connect the ...
Could I import a set of data stored in a file to array while building?
Posted on July 30, 2017 at 12:59I have a large data set int a[10000]. which is needed in program. But it is too large to write by hand to the .c file for me.How could I put it into ROM? There any synthex for to help me to import it to program when c...
stm32 timer config at 1us bug
Posted on August 03, 2017 at 19:00hey alli configed timer for 1us timer interrupt but how can i be sure my timer interrupt is 1us ?my microcontroller is stm32f103c8t6 her RCC configed with pll on 72Mhz external crystal 8Mhzmy timer function void TIM...
