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Forum Posts

math.h not in the firmware

Posted on November 27, 2014 at 11:15Hi,I am currently using the dsp library .I noticed that it need math.h library to run correctly.Unfortunately, i couldn't find it on the internet.Does somebody have a link?

d4ng3r09 by Associate II
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STM32F4 & Ethernet configuration (RMII)

Posted on November 27, 2014 at 11:25Good day,Given you use the RMII interface to the STM32F4 MCU does anybody know what the CR (clock range) needs to be configured to?  The RMA is not clear if the clock range configuration is for the MII interface o...

truhann by Associate II
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timer Dma burst transfer

Posted on November 27, 2014 at 10:48 I found an example in the stm firmware. It is TIM DMA Burst. The configuration code is as in this link https://github.com/devthrash/STM32F4-workarea/blob/master/Project/STM32F4xx_StdPeriph_Examples/TIM/TIM...

Regarding STM32F207 Timers ISR

Posted on November 26, 2014 at 11:11Hi, I am very new to 32 bit micro-controllers.I am using STM32f207VG controller.I want to use Timer2 to generate Interrupt every 1 ms.Timer clock is set to 36MHz. I have written the following code for timer ISR.My...

er by Associate II
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SDADC2 synchronization with SDADC1

Posted on November 26, 2014 at 10:43I have seen a lost of discussions about synchronized sampling of ADCs. But I haven't seen a single example for synchronized sampling of SDADCs anywhere. I am using stm32f373 MCU where I want to sample SDADC1 and S...

rizwin by Associate II
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ARM32F Unaligned Data Support

Posted on November 25, 2014 at 18:55Dear All,As we can see in the attached picture the ARM support Unaligned and Aligned data supportPlease advice what mechanism is using by arm to identify two or three or four operand at single memory address 

0690X00000602vdQAA.jpg
pic_micro by Associate II
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IAR : 32 bits SP is not 64 bits DP !

Posted on November 26, 2014 at 14:27Reading http://www.iar.com/Global/Resources/Developers_Toolbox/C_Cplusplus_Programming/Improve_performance_of_digital_signal_processing_with_IAR_Embedded_Workbench_for_ARM.pdfpage 3 :arm_sqrt_f32 : 52 cyclessqrt :...

tarzan2 by Associate III
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Exclamation mark breakpoint

Posted on November 26, 2014 at 18:20 Hi! Keil  MDK Lite V5.12 I cannot tell why the debugger cannot breakpoint certain rows. Like a CAN_Transmit function. Not only will put an exclamation mark, it will jump over it completely. This function is that ...

zamolan by Associate II
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