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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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I2C documentation error (Master Read N Bytes)

Posted on December 04, 2012 at 19:14In the STM32F4 ref manual (RM0090, current version Nov. 2012), the read of N (>2) Bytes is described like this (end of 25.3.3): For N >2 -byte reception, from N-2 data reception â—� Wait until BTF = 1 (data N-2 in...

flyer31 by Senior
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  • 1 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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SDIO in STM32F217XX

Posted on December 05, 2012 at 14:36When a 4bit microSD card is interfacing to the SDIO in  STM32F217XX, is packing (and unpacking) Data done in FIFOs inside the SDIO? How does it work? #sdio-4bit-bus

zbyszekl by Associate II
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  • 0 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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  • 2 replies
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USB lib: device notification

Posted on December 04, 2012 at 20:50Hi all I've a question: Is there any possibility to check the connection state? to enable the usb communication or to reset all (deinit, reset variables, clear buffers...)? Best regards Patrick

pa by Associate II
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STM32 + I2C

Posted on December 04, 2012 at 13:12 Hi all, I am using STm32f2 series and I have a sensor on I2C bus. The problem is that my I2C bus is always busy. My code: void setupClock() { RCC_DeInit (); RCC_HSEConfig (RCC_HSE_ON); while (...

RTC issue in STM32F101RCT6

Posted on December 04, 2012 at 13:28I face RTC corruption some times the date becomes 00:00:00 or some time Current time becomes 00:00:00 . What is the issue ? Can some one help me to resolve the issue

harish2 by Associate
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Enabling the HW RAM Parity check on STM32F051R8

Posted on December 04, 2012 at 11:22Hi all, for our safety critical application we would like to enable the HW RAM Parity check on a STM32F051R8 uC. For the SIL certification, the flash content (inclusive the option bytes) may not change after fla...