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Forum Posts

I2C_FLAG_BUSY problem

Posted on July 10, 2014 at 10:49Good morning,  I have some problems on I2C bus on STM32F1 micro. I have 8 prototipes board (all with the some mounting). 4 of those works fine and I can read and write the EEPROM on board (a 24xx series standard memor...

stefano23 by Associate II
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USART2 interrupt continuosly fires

Posted on March 11, 2015 at 14:55Hello all,I have a problem with my USART2 interrupt on STM32L151.I have the USART_IT_RXNE, and USART_IT_TXE interrupts enabled on UART2. All other interrupts are disabled. The interrupt works fine until something wei...

srdjan by Associate II
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  • 11 replies
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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...

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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  • 1 replies
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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...