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Proper way to detect end of file using Fatfs???

Posted on February 17, 2013 at 00:39 Hi all, I am using fatfs as file system and I need to handle the end of file but I didn't file something equivalent to while(! feof (golf)) In an example available on fatfs, the end of fi...

stm32vl discovery usart comunication

Posted on February 16, 2013 at 18:02 hi everyone, i want to make a simple comunication from usart2 to usart3, i have shorted usart2_tx (PA2) to usart3_rx (PB11). The program send 8bit from usart2 to usart3 and ceck if the transmitted dat...

otti by Associate II
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Reset bus power

Posted on February 15, 2013 at 20:48I use my STM32F0 to communicate with an SPI slave device, which is powered by the 3V bus on the STM32F0.My problem is that when I reset the STM32F0, the bus power is not interrupted, which leaves the SPI device in...

I2C configuration

Posted on February 15, 2013 at 17:35Hi, I'm using CMSIS to set up an I2C driver.  As an example device I have an EEPROM - tried and tested on PIC18s, so I've been through the learning curve for I2C - just getting it going on STM32. Configured CLS an...

PROBLEM WITH STM32F103RB USART2

Posted on February 15, 2013 at 22:22Hello, I can't seems to get USART2 to work.There is nothing in TX (PA2) & RX(PA3) Pin when view with a logic analyzer.I think I am missing something in my code..I need help. #include ''stm32f10x.h'' #include <stdi...

STM32F30x - ADC Interrupt

Posted on February 15, 2013 at 08:14Hi, I am new to this STM32F30x series microcontrollers. For my application i am using the channels ADC12_IN6 and ADC12_IN7 in Interrupt mode. (Without DMA).These GPIO's are configured as a input pins(PC0 & PC1) a...

Selecting the best/fastest communication method CPU->CPU

Posted on February 11, 2013 at 01:30Hi All, I'm making a PCB that has two STM32F4 DSP chips across an isolation barrier. I need the two chips to communicate as fast as possible, with the one chip (slave) passing new values to the other chip's (maste...

Unexpected I2C Status value of 0x84

Posted on February 15, 2013 at 16:31I am receiving an unexpected status value from within my I2C ISR. The value is 0x84 (TXE and BTF bits set). For now, I am only doing i2c master transmits, (I have a multimaster config but the other slave is not se...

saccrue by Associate II
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Explaining STM32F4 to a lay person is frustrating

Posted on February 15, 2013 at 04:56I am currently migrating from F1 to F4. Am getting very frustrated. After many reviews of my presentation on F4, I get feedback that : to a lay person, the current project deliverables does not warrant 12 weeks of...

skillet by Associate II
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STM32F4 Discovery SPI Ethernet

Posted on February 14, 2013 at 14:54Hello,   I need to connect an ENC28j60 module to STM32 Discovery. As there is some peripherals on board uses SPI for communication, i dont know which is the free to use SPI. I hope the SPIs used by peripherals is ...