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STM32F107VC USART Transmit register

Posted on December 07, 2012 at 06:46Hi, I am trying to communicate to STM32F107VC microcontroller via UART5. I am debugging the DR register of UART5 port, but it seems it is always zero (I am using IAR EWARM with ST-LINK V2 via STM32F1Discovery). th...

hakeila9 by Associate
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DMA reads data from DR register even with RXNE cleared. Why?

Posted on November 20, 2012 at 17:15Hi, I have the following Usart interrupt request handler: (simplified version, but has all the necessary information) void USART1_IRQHandler(void) {   if(USART_GetITStatus(COM1_PC, USART_IT_RXNE) != RESET)   {    ...

tecnico23 by Associate II
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STM32f0 I2C

Posted on October 23, 2012 at 09:16I just want to know if anyone tried and make i2c work with STM32f0 ? I am very curious. anyone tried and any know limitations? I will appreciate with any i2c answers. I am very confused. Thanks #cpal-i2c-stm32f0

egenchic by Associate II
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ADC Reading

Posted on December 06, 2012 at 13:55Hello All, I using stm32f2xx. I wanted some help in programing ADC. It might be a silly question. But m a newbei I have to read sensors ouput from ADC123_IN1and ADC123_IN2,ADC12_IN14,ADC12_IN15 of ADC chanells. I ...

Serial Wire Viewer (SWV) on STM32F100

Posted on December 06, 2012 at 16:52Hello,I'm trying to use the serial wire viewer with the STLINK/V2 and the STM32VLdiscovery kit. The embedded debugger is bypassed because it doesn't support SWV.Debug is OK but there is no signal on SWV. The pin 1...

pcu by Associate II
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  • 1 replies
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''undefined reference to _sbrk'' error ( yagarto )

Posted on December 06, 2012 at 17:09hello dear forum,I am trying to compile a C program for STM32F4 microcontroller with yagarto I have run into following error-------------------------------------------- c:/olimexods/yagarto/bin/../lib/gcc/arm-none...

SPI Strange behaviour

Posted on December 06, 2012 at 15:28 Hi all, To read or write a register of ADS1298 I need to write 3 byte on SPI bus and I need some delay between every byte. Based on the discovery example I write the following read and write routine: ...

Bootloader and interrupts in user application

Posted on May 03, 2012 at 16:08 Hello everyone! Help me, please, to understand where is the problem. I have my own bootloader, located at 0x08000000. And user application I locate at 0x08019000. The algorithm of my bootloader is:...

STM32 100 Khz Timer

Posted on December 05, 2012 at 17:34Hi guys,I am new to the STM32 Micro and I am dealing with a STM32F0 discovery board. I am messing around with the TIMER peripheral trying to get a 400 Khz, however I have some issues with the TIM3 settings, below ...

giorgio2 by Associate II
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