SPI Master unable to receive the first byte from slave
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Forum Posts
Power Voltage Detector(PVD) and PA0-WKUP PIn of STM32F100
Posted on November 10, 2015 at 14:54Good morning, Someone have try to enable the PVD function, and use the PA0-WKUP Pin like an Output ?? When i start the PVD functions although i disable the Wake Up pin (PWR_WakeUpPinCmd (DISABLE);) I am not a...
fsmc pins
Posted on November 10, 2015 at 11:38LCDs use my 8 bit data bus. rs rw cs rd and which pins are the 8-bit data bus? Thank youhttp://i.hizliresim.com/RBv157.png
HAL_CAN_Transmit_IT & HAL_CAN_Receive_IT can't be used simultaneously
Posted on November 10, 2015 at 11:08Synopsis: HAL_CAN_Transmit_IT & HAL_CAN_Receive_IT can't be used simultaneously effective without data loss risks.Details:When you build receive/transmit cycle like below (simplified)main() { HAL_CAN_Receive_IT()...
STM32F439I-EVAL no power on USB
Posted on November 09, 2015 at 23:54Running the demonstration project from STM32Cube and tried to load pictures from USB disk. Power does not turn on for USB HS port. Traced the problem to CPEN pin on USB3300. Anybody have a similar board, and does ...
Does USB OTG Require Pullup on DP line?
Posted on November 02, 2015 at 05:02 Does the Discovery board use pull-up or pull-down resistors on the USB OTG? Schematic says it doesn't, the USB standard says it's required. Any guesses? Thanks...
stm32 spi
Posted on November 10, 2015 at 11:26Hi.I am tying to connect my STM32F4 (or F1) with external ADC. Data from ADC can be received by SPI after ADC set ''ready'' flag.So the task for controller is to read by SPI 16 bit data on external event.The easie...
STM32F103R8T6 SWD problem
Posted on November 01, 2015 at 08:19Hello everyone,I am making PCB with STM32F103R8T6 but I have problem with SWD. I connect PCB with ST Link Mini via SWD SWCLK <--> PA14SWDIO <--> PA13RST <--> NRSTSWIM <--> PB3GND <--> VCC3V3 <--> VDDIn Keil, it ca...
SDIO/SDMMC DMA request mapping
Posted on November 09, 2015 at 18:23Hi, I have recently got my SD card running on an STM32F7 with the SDMMC (with DMA) and came across one issue. The DMA request mapping in the Reference Manual (Table 25. DMA2 request mapping) indicates two streams ...
Verification of CPU Load
Posted on November 05, 2015 at 16:48Hi, I try to measure the CPU load of my STM32F429I-Discovery board. I tried the approach described on http://stm32f4-discovery.com/2015/05/cpu-load-monitor-for-stm32f4xx/. This shows me a CPU utilization of 99% in...
