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STM32F4 Discovery + STM32 PMSM FOC Firmware Library v3.2(WD)

Question asked by geiger.christian on Nov 20, 2012
I am new to the mcu programming. I am using the STM23 Discovery Board for my testings. Right now i am trying to implement  a MC with the board.
But i have some strange difficulties to implement the MC right. Maybe someone can help.

I use the Keil MDK-Lite  Version: 4.54
and STM32 PMSM FOC Firmware Library v3.2(WD)

When i try to add the MC_Library_STM32F4xx_single_drive.a to my project there come this strange Error Message:
MotorControl02.axf: Error: L6366E: BusVoltageSensorClass.o attributes are not compatible with the provided cpu and fpu attributes .
 I searched Google But i found nothing right. Maybe i don't see the mistake?!
Does somebody know anything ?

Greez Christian