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Forum Posts

store image file from camera on uSD card

Posted on November 25, 2012 at 08:52Hello,I work on the STM3240G-Eval and IAR IDE for the first time and I feel a bit lost.I need to be able to capture an image from the camera and store it on a uSD card as a file (preferable JPEG). I would like the...

STM32F4 I2S slave Receive with DMA

Posted on November 26, 2012 at 16:14Hello!I try to receive data by I2S3 in slave mode.First of all I tried to program I2S controller and received data by program polling: while(1){    while( (SPI3->SR & SPI_I2S_FLAG_RXNE) == 0 );    SPDiffRxBuffer[T...

musatoff by Associate II
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External Addressing question

Posted on November 26, 2012 at 14:05I am using a STM32F4 FSMC to address external 16-bit SRAM on a custom board.  Everything is OK. I want to connect an external FPGA and I'm not so clear about the actual addressing. Please correct me if I'm being s...

kb by Associate II
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Continuing rebooting STM32f0discovery board

Posted on November 08, 2012 at 10:51Dear All, After playing around with my new STM32F0Discovery board, it looks like that it has entered a kind of reset state. It continuously generates NRST signals with an interval of 400ms, even when i have clear ...

evert2 by Associate II
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STM32 5V tolerant I/O ?

Posted on November 25, 2012 at 11:22 I'm sorry, but I do not quite 5v tolerant ports for STM32. I do not unterstand concept '' Total injected current (sum of all I/O and control pin)'' Example STM32F0 and on 8 5V tolerant I/O connected L...

asrock70 by Associate II
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STM32F407Z bootloader problem

Posted on November 25, 2012 at 09:17Hi, We used STM32F103Z on one our boards, using the programming via UART1 with Flashloader Demo application. Everything was fine till the moment, when we decided to replace it with STM32F407. Of course the package...

igor_s by Associate II
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Help with Timer Capture Issues

Posted on November 23, 2012 at 11:03 Hi fellow forum mates, I am a student working on a new project using stm32f4 eval board. My task is to measure the frequency from 3 different sources ranging from 1000hz to 725khz. I have been trying f...

Interrupt service routine and C++

Posted on November 18, 2012 at 12:03 Hey everyone, I'm working on the STM32F4DISCOVERY with CoIDE 1.6.0 in C++. I have an interrupt on TIMER4 overflow, and so I put the interrupt service routine (void TIM4_IRQHandler(void) {}) in the main.cpp....