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Forum Posts

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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''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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libPDMFilter_GCC.a (pdm_filter.o) does not uses VFP

Posted on November 08, 2012 at 03:36 How I can build my application with STM32F4-Discovery_FW_V1.1.0 in VFP notification? arm-none-eabi-ar -r libstm32f4.a misc.o stm32f4xx_dma.o stm32f4xx_rcc.o stm32f4xx_adc.o stm32f4xx_exti.o stm32f4xx_rng.o stm32...

lin by Associate II
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  • 9 replies
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JTAG remap on STM32F103C8T6

Posted on December 04, 2012 at 15:32Hi, I have this issue: PB3 and PB 4 should be a GPIO in push/pull. For PB4 the remap and configuration works fine, but i cant get a high level out of PB3. Here is my code:RCC->APB2ENR |=1;             /* Enable A...

bond1 by Associate II
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  • 8 replies
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USB HID Linux

Posted on December 05, 2012 at 10:43 Hi, I do use the ST Evalboard STM3220G-Eval and started with ST example project USB HID Device Mouse/Joystick. It does work on Windows and Linux - no problems. Now I started to modify the example ...

Question about GPIO port defined as AF

Posted on December 04, 2012 at 19:17I noticed on the STM3210E-EVAL board design and in the demo code GPIO port A was defined as AF for SPI1 and for USART. The chip select pin for the SPI flash memory was defined as pin 2 in GPIO port B. Does it mean...

romey by Associate II
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