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Forum Posts

Fast IR camera data tranfer to computer

Posted on September 20, 2014 at 13:12Hello, I am working on projects that takes snapshot from camera, stores it to SRAM via DMA, and when process image by some mathematics, and calculate beam spot on sensor. And sends information to computer, where ...

Understanding FSMC arbitration

Posted on September 22, 2014 at 12:38I want to direct drive a rgb tft display via FSMC/DMA and an external async sram as framebuffer. The cpu is a STM32F103ZC. What happens when CPU writes between transfers to RAM? The transfers would be then: DMA R...

sk-st by Associate III
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  • 1 replies
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Ultrasonic sensor

Posted on September 19, 2014 at 15:02Hello everyone, how can i configure an ultrasonic sensor with timers on stm32f4 ? #interface-anything-to-anything #ultrasonic-sensor

Newbie looking for help with GPIO

Posted on September 01, 2014 at 23:00 I have an STM32F4 Discovery board, which I am relatively new to. I'm trying to figure out how to work with GPIO's, and I haven't been able to find a good tutorial yet, so I'm trying to work it out by looking...

sandtime by Associate II
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  • 6 replies
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Free real-time operating system on STM32F100RB-Discovery

Posted on September 19, 2014 at 10:26Hi people, I have STM32F100RB-Discovery board. I need a free real-time operating system which I could deploy on that board. I know for FreeRTOS, but following their manual I haven't succeeded to deploy it yet. A...

ing2 by Associate
  • 665 Views
  • 3 replies
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UART4 IRQ Handler not firing

Posted on September 20, 2014 at 11:50With my STM32F4 discovery board I cannot get the UART4_IRQHandler to be triggered on incoming serial data. However the USART2_IRQHandler functions as expected and when the data is ready from the UART4 RX data reg...

andrew23 by Associate II
  • 1124 Views
  • 2 replies
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error in programming

Posted on September 20, 2014 at 11:16hi every onewhen im trying to programm my stm32f103ret6 via jlink in keil v5.11, it shows this error:can any body help me please?WBR #stm32f103 #jlnik

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mhdizgah by Associate II
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  • 4 replies
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STM32F429 UART7 Rx question

Posted on September 19, 2014 at 13:19Hello friends.I'm trying to communicate with DS18B20 via 1-wire interface.Here is the example of reset function (all pins and clk are set erlier). The problem is that the variable data does not receive UART7 DR v...

baev_al by Associate III
  • 1468 Views
  • 10 replies
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stm32f429 I2C clock speed

Posted on September 19, 2014 at 22:58 hello guys, I have a problem with the clock speed of my I2C bus, I want to have 100 hz of frequency but I am not able to reach it. That is my code * @file Touch_Panel/main.c * @author MCD Application Team...

Data structure for data write and Data read

Posted on September 19, 2014 at 22:27 I would like create a variable that contains port and pin information, so I can use the high level name to perform all reads and writes. I am looking for help with the syntax to create a: Structure for...

ebommer by Associate II
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  • 2 replies
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