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my ADC code cann't get value

Posted on March 04, 2015 at 17:41The original post was too long to process during our migration. Please click on the attachment to read the original post.

LWIP ETHERNET PROBLEM

Posted on March 11, 2015 at 13:43hii used lwip example in stm32cubef4 like to(udp echo server,tcp echo server,......).when i connect 2 stm32f407 eval boards as udp or tcp servers to ethernet hub switch and connect to pc as client my servers don't wo...

ADC Values

Posted on March 11, 2015 at 15:03Hello,I'm working on the STM32f429i  und i have to program a  game on it using FreeRTOS and uGfxand i have a Gamepad(Nokia 5110 Gamepad) connected with the STM32f429i.The Buttons are working fine(i used the function ...

yassine by • Associate
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osMailQDef error in cmsis_os.h

Posted on March 10, 2015 at 19:09The definition of the osMailQDef macro is incorrect in cmsis_os.h; it is missing a semicolon. Here is the original version: #if defined (osObjectsExternal)  // object is external #define osMailQDef(name, queue_sz, ty...

ccox by • Associate II
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Upgrading STM32F429 firmware using a USB key

Posted on March 29, 2014 at 19:13Dear All,I would like to upgrade / update the STM32F429 firmware using a USB Key.I have found one application note, but I have not found any working example.Does anyone have some working example or some advise?Let me...

STM32L1 & linear CMOS image sensor

Posted on March 11, 2015 at 13:20 Hi everyone, I am trying to interface a linear CMOS image sensor by Hamamatsu (S9226-03) with a STM32L1 discovery board, and seek a bit of guidance on how exactly to accomplish that in a suitable way, since I...

o23 by • Associate
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Has anyone ported LwIP 1.4.1 to CMSIS-RTOS/RTX

Posted on December 19, 2014 at 22:48Hi,I am new to programming ST microcontrollers, and I am trying to get a demo tcpecho application running on my custom hardware.  We are using an STM32F407.  I notice that all the examples seem to use FreeRTOS and...

separating bitmaps from code

Posted on March 10, 2015 at 11:21Hi All,I'm on the tail end of a large development for an stm32 using gcc and openocd. As I add more code and bitmaps (for the LCD) I'm finding the load times getting rather long, mainly due to the bitmaps.I'd therefo...

mark2399 by • Associate II
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How to detect MCU at run time?

Posted on March 10, 2015 at 14:57Hi,Is there a way to determine which MCU is being used on a board?  We are developing software for an STM32F4 and some of our tools are using the 407 and others are using a 429.  I would like to know when our code is...

DMA works only first time

Posted on March 10, 2015 at 22:16Hi,I'm using ADC and DMA. For learning purposes no interrupts, just polling LIFR. Staring conversion with ADC_CR2_SWSTART. As soon as TCIF is set,  I'm writing 1 to ALL flags to LIFCR (LIFR becomes 0) then re-enablin...

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