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SPI DMA recover from data shift

Posted on December 11, 2014 at 16:26The original post was too long to process during our migration. Please click on the attachment to read the original post.

bob by • Associate II
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STM32F0 - SPI 8bit data size

Posted on December 12, 2014 at 08:53I am migrating code from STM3210x to STM32F0xx. major part of the application uses spi interface. I see in logic analyzer each bursts of 16bit clocks. while I expect it to be 8bit clock for each byte and a delay o...

roy23 by • Associate II
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  • 0 replies
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STM32CubeMX is nice! Where are the examples?

Posted on December 12, 2014 at 02:58Hi there,   STM32CubeMX looks like it will be quite nice.  Where are the example files?I don't see any example files anywhere.I'd love to see examples of:* basic gpio interrupt usage* DMA to/from I2S/serial port (...

caleb by • Associate III
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  • 3 replies
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Frequency Capture Issue - missing pulses

Posted on December 11, 2014 at 03:32 Hi, I ma currently trying to use the timer capture to measure a burst pulse but it always seems to miss a couple of signals. I have measured it on an oscilloscope and I can see 10 pulses but from my f...

paul23 by • Associate II
  • 2097 Views
  • 8 replies
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STM32F1 I2C Stops on Slave Pull Down

Posted on December 12, 2014 at 02:46 Hello, I'm having an odd issue with the I2C peripheral. I have a simple routine for writing a value to a slave device register below. It succeeds writing to the slave as seen in Image #1. Following tha...

k3nt00 by • Associate II
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  • 0 replies
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LCD TFT Controller (LTDC) frame rate .

Posted on December 11, 2014 at 13:09Hullo guys , I was wondering about the frame rate of the LTDC in STM32F4xx series , There is no obvious information in the user manual about the frame rate , and in the demo example , I just set the pixel value in...

STMPE811 touch controller on STM3220G-EVAL - bug?

Posted on December 11, 2014 at 18:13I noticed that the touch controller is not working properly to detect presses of the touchscreen on the STM3220G-EVAL and looked further into the code.  The problem appears to be rooted in BSP_TS_GetState() in the...

STM32F042 SWD comunication Problem

Posted on November 23, 2014 at 19:08I have designed a board with a microcontroller STM32F042K where SWD does not work. I connected pin 4 (NRST) with a pull-up 100Kohm and a 100nF capacitor to GND and pin (BOOT0) to GND with a resistance of 470ohm bu...

elb-lab by • Associate II
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  • 1 replies
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CubeMX project generation problem

Posted on December 01, 2014 at 18:18I want to generate TrueSTUDIO projects with CubeMX (4.5.0), because that project format fits my needs (arm-gcc, suitable startup code and linker script). However, I get an error message at the end of the code gene...

redecker by • Associate II
  • 1696 Views
  • 3 replies
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STM32F4 Discovery change timer ARR on the fly

Posted on December 10, 2014 at 18:41Hello everyone!I am experiencing problem with my discovery board. I am trying to accelerate my stepper motor, so when i push the button, i decrease value in TIM2 ARR with this command:uSeconds-=20;TIM_SetAutoreloa...

anze2 by • Associate II
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  • 5 replies
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