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Forum Posts

FFT/IFFT transform

Posted on January 27, 2013 at 23:13Hi!I'm trying to make forward/inverse FFT. The target is to compare, that data before, and after FFT/IFFT are equal.// Vars definitionq15_t ADC_input[512];q15_t RFFT_output[1024];arm_rfft_instance_q15 S;arm_cfft_ra...

ma.x9 by Associate
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FFT/IFFT transform

Posted on January 27, 2013 at 23:03Hi!I'm trying to make forward/inverse FFT. The target is to compare, that data before, and after FFT/IFFT are equal.// Vars definitionq15_t ADC_input[512];q15_t RFFT_output[1024];arm_rfft_instance_q15 S;arm_cfft_ra...

ma.x9 by Associate
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stlink v2 error

Posted on January 24, 2013 at 16:59hiI am using STM32W108CB and made my own pcb. I've stlink v2 and want to use it as Serial Wire Debugger.When I press 'connect to the target' in stlink utility I get message 'Internal command error'.I've tried to se...

10bec062 by Associate II
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STM324xG-eval No sound

Posted on January 27, 2013 at 15:58 Hi, I am trying to play some audio on my evaluation board,but no luck : I have a buffer that contain slices from various wav files,the buffer located in the external RAM ( if it matters) , and i tr...

Why would ADC show 0.8v while nothing is connected to pin?

Posted on September 23, 2012 at 07:38I have stmf4discovery board with an LCD screen connected via FCMC. I've taken the ADC3_DMA StdPeriph example and adopted it to use PC1 pin since my board does not have PF7 (I hope it does not). So, if I apply 3v ...

arro239 by Senior
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STM32F103 ext SRAM to SPI failure

Posted on January 26, 2013 at 20:30Hello to all, I have a design where cpu has to transfer blocks of data to a uSD card working in SPI2 mode. My routine is : static void SPIblockTxDMA(uint8_t *SD_Buffer_Tx,uint16_t Len) {   SPI_Cmd(SPI_SDMEM, DISABL...

abrous3d by Associate II
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STM32 M0/M3 simulation

Posted on January 11, 2013 at 10:40I tried to revive an older thread, but that seems not possible if it dates back before the last database meltdown ... Is there any simulation of STM32 MCUs available, specifically the F0 and F1 ? And I don't mean t...

pre set values in sram

Posted on January 26, 2013 at 14:13I want to add some features to my program where it remembers some settings, i want to do this by storing the values in the sram.But when i upload the firmware to the stm32 i need these values to be preset to a cert...

russdx by Associate II
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F4 DMA to SDIO NDTR Problem

Posted on January 26, 2013 at 01:26Somehow I can not reply to https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https%3a%2f%2fmy%2est%2ecom%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fcortex_mx_stm32%2fDMA%20to...

picguy2 by Associate II
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