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stm32f4 ,i2c and ds1621

Posted on May 12, 2015 at 19:50 I am using an stm32f4 dicovery with a ds16As indicated in the datasheets, i specified the adress as well as the device pins. The problem is that when i run the program ,it seems to be stuck on the the first fla...

d4ng3r09 by Associate II
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stm32f4 ,i2c and ds1621

Posted on May 13, 2015 at 10:02 I am using an stm32f4 dicovery with a ds16As indicated in the datasheets, i specified the adress as well as the device pins. The problem is that when i run the program ,it seems to be stuck on the the first ...

d4ng3r09 by Associate II
  • 523 Views
  • 1 replies
  • 0 kudos

STM32Cube F4 V1.5.0 -- usbd_cdc.c, comment error

Posted on May 13, 2015 at 01:18 * @file    usbd_cdc.c  * @author  MCD Application Team  * @version V2.4.0  * @date    28-February-2015Line 658:  * @brief  usbd_audio_DataInshould read:  * @brief  usbd_CDC_DataIn  since this file deals with CDC funct...

mduffy by Associate II
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GPIO actions - is this how people really write code?

Posted on May 12, 2015 at 17:21 After searching for a long time I understood that the only reading materials I can get are the reference manual and the ST library comments - not a lot. I imagine this is the main reason I can't get even simple th...

STM32F429 DMA2D Bilinear bitmap resize

Posted on May 12, 2015 at 20:23Hello,I wrote a small and very short DMA2D example to resize a bitmap using bilinear interpolation. The resize process is entirely handled using the DMA2D Blender with a low CPU resource usage.The CPU, after a fast ini...

[STM32F4-Discovery] UART4 Problem

Posted on February 24, 2012 at 12:36Hi all, I'm searching to get work my UART4 port on my Discovery. I used the USART HyperTerminal_Interrupt example on stdPerif_example and I adapted to DISCOVERY. I see by some LedOn on the program that UART is wor...

Fastest way to scan single adc channel

Posted on May 12, 2015 at 07:39I am using STM32F205RBT6. System Freq = 120Mhz. APB2 freq = 60Mhz. ADCCLK = 30Mhz.1. I have a input pulse of 300Khz.2. Need to scan single an adc channel on each rising edge of pulse.3. Have to store 21600 samples of 1...

STM32L152 Usb transfer length > 64

Posted on May 11, 2015 at 17:18I am as the title is trying to suggest attempting to transfer a large packet over an usb endpoint. I am using bulk-transfer and have modified code from the Virtual comport example to neatly package my buffer into 64 by...

How fast we can go with EXTI

Posted on May 12, 2015 at 13:28I am using external interrupts. STM32F407 is not handling interrupt at speed of greater than 2MHz. /* Includes ------------------------------------------------------------------*/ #include ''stm32f4xx.h'' #include ''st...