STM32 MCUs Products

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Forum Posts

STM32F4 problem with Encoder Interactive od TIM HAL

Posted on February 09, 2015 at 15:24Hello,I'm learing to use STM32Cube and HAL.Then I tried to set TIM encoder mode,but it can't work.This is my code of initialization and functionCan someone tell me ,what mistake I made or what important step I mis...

azura817 by Associate
  • 525 Views
  • 2 replies
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Power Line Communication(PLC) on STM32F4

Posted on February 11, 2015 at 01:27HelloI have another work for transferring/receiving data using PLC(Power Line Communication)GPIOA port 12 is for PLC port.so I have looked for many of example and tutorial for 2days but there are no exist.....so i...

dukesong by Associate II
  • 625 Views
  • 1 replies
  • 0 kudos

STM32F4 receive DMA timeout

Posted on February 09, 2015 at 17:59Hello,I have to realize receive DMA timeout for a serial interface. I found the application note AN3109 which describes a mechanism to realize a DMA timeout for the STM32F10x microcontroller. Does this application...

STM32F303x - Hardware Resets

Posted on February 09, 2015 at 15:51What is the usual procedure for power-on reset for other chips besides the MCU? Is there a reset_out signal or method coming from the MCU that is recommended? Or is there a method for resetting all chips in a syst...

gbigden by Associate III
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  • 6 replies
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Semihosting in Eclipse or retargeting printf

Posted on June 03, 2014 at 09:43Hi,I am trying to debug some very simple code for STM32F0Discovery using Eclipse, ARM arm-none-eabi-gdb compiler and OpenOCD debuger.I could build and debug my cods and now I am trying to use printf to see some variab...

Rise time of SPI Signal

Posted on February 10, 2015 at 10:50Hi I am using STM32F103RBT6 @72MHZ I use SPI with DMA to stream data from memory to GPIO SPI Prescaler is 4 GPIO is configured as output push-pull and speed 50MHz The problem is that the data output rise and fal...

hossam by Associate II
  • 776 Views
  • 1 replies
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STM32f2xx SWD programmer problem

Posted on February 09, 2015 at 16:34 Hi at all,I would try to program a custom made board with STM32f205RCT7 micro onboard via SWD .I got an SWD connector with vdd,gnd,swdio,swclk,nrst.No pull up or pull down on swdio pin , 10k ohm pull up on nrst a...

andreima by Associate
  • 890 Views
  • 3 replies
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How to preset toggling timer outputs

Posted on February 09, 2015 at 15:06Hello to all, I use a TIM8 of a STM32F2xx to generate a quadrature signal. This works fine no problem with toggling mode. I send a sequence of pulses out of the OC-Outputs. (a speed ramp). When the sequence is ove...

andywild2 by Associate III
  • 452 Views
  • 3 replies
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TIM1 CCR3 Register Problem? STM32F429

Posted on February 06, 2015 at 17:29Can someone explain why the following code causes CCR1, CCR2 and CCR3 to have the same value: TIM1->CCR1=value1; TIM1->CCR2=value2; TIM1->CCR3=value3; While the following code doesn't cause this problem (CCR1 and ...

lk1991 by Associate II
  • 1375 Views
  • 9 replies
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STM32 F2 series VCP issue

Posted on February 09, 2015 at 04:49Dear all sir: I'm working on STM32_USB-HOST-Device-LibV2.1.0 USB_Device_Examples VCP. This demo code try to send  & receive serial data from PC through USB cable and transfer to serial port. Now the I down load th...

lstfazz by Associate II
  • 613 Views
  • 2 replies
  • 0 kudos