Resolved! STM32F0 LL Library RCC Bug
Posted on July 05, 2017 at 13:52Hi,There is a bug in F0 LL library rcc module.RCC_GetSystemClockFreq() is incorrect if the mcu use HSI48 as system clock,in this case it returns HSI_VALUE but not 48MHz.
Forum Posts
STM32F746ZGT6 problem with custom board [urgent]
Posted on July 04, 2017 at 21:00Dear all, We have been developing a custom board featuring STM32F746ZGT6, and we have encountered some problems. We are able to program the MCU using the ST-link with no problems, however, the MCU does not do anyt...
STM32F103 Shift PWM
Posted on July 06, 2017 at 18:15Dear Support,Hi,I've created two PWM with a 50% duty cycle using STM32F103 and its timer8. Now I would be grateful if you tell me how to shift one of the PWMs?#stm32f103-shift-pwm
Why do not I have an overrun error? (UART + DMA)
Posted on July 06, 2017 at 11:08The problem is simple ...I am using the UART with DMA to copy 10 bytes to a memory location.Sometimes (due to some error) 11-byte packets are sent to the MCU. What happens is that the DMA will transfer the 10 bytes an...
Resolved! CubeMx 4.20.0 and oscillator problem
Posted on March 24, 2017 at 12:52I see when you change settings on RCC, from internal oscillator to external, both line on .ioc file are setted and the code generated is this:RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORT...
STM32F4 DMA problem since firmware package 1.15
Posted on July 07, 2017 at 08:45We are using an STM32F429 together with external SRAM, SD card and LCD display, utilizing STemWin. The framebuffer for the display is located in the external SRAM, as is another buffer that is used to write to the SD ...
STM32L0 EEPROM programming with keil
Posted on July 04, 2017 at 07:57Hello, everybody.Hello everybody. I use Keil and ST-Link for programming STM322L073 Flash and EEPROM. I try to program them simultaneously but only Flash is written.Is there any way of writing Flash and Internal EEPRO...
Resolved! stm32f429 timer pwm output signal as a clock
Posted on July 06, 2017 at 05:53I am working with the STM32F429 and we use the timer pwm output as the ads1271 CLK。 we get the wave as the picture showWe think CLK quality is poor,so the sample rate is inaccurate. Any ideas ?Thanks,End.
LTFT issue.
Posted on July 07, 2017 at 04:46Hi There,I am using STM32F429ZI discovery board to write an UART and LTDC code.I have Entesla serial to USB converter connected to the Discovery board via TTL(I am not using RS232).Simple use case is -Display the char...
more uart ports
Posted on July 06, 2017 at 21:02Hi,My stm32 board has four uart ports. Each of them is connected to rs 485 transmitter (tx only).I'm looking for any ideas how to extend my project to have more than four uart ports - up to 10.My first idea was to con...
