Posted on September 10, 2013 at 17:02Hello All. In my app. I have I2S Transmitter with External Clock. I want to test the clock frequency. At clocktest.c I make: [code] volatile u32 clknum; extern volatile u32 SendTmr; void ClockTest(void){ Del...
Posted on July 11, 2013 at 15:19
Hello,
is F4 Flash write can be random or only sequential?
I've tryed to do
FLASH_Unlock();
FLASH_EraseSector(FLASH_Sector_8, VoltageRange_3);
for(i=0, EEAddr=EEA;i<32;i++){
FLASH_ProgramWo...
Posted on April 03, 2013 at 14:19Hi friends, It is written at ref/man for F2 and F4:Bit 7:0 I2SDIV: I2S Linear prescaler I2SDIV [7:0] = 0 or I2SDIV [7:0] = 1 are forbidden values. Why ''0'' is forbidden is clear, but why ''1'' ?! I make some intensi...
Posted on March 28, 2013 at 12:14Hello, sorry for maybe stupid question, but I can't understand - how to make the frequency divider using STM32F4's timers? I mean how to divede the frequency of the external signal and output it from CPU? Tnanks. ...
Posted on September 01, 2013 at 09:21>Preformatted cards should be fine as delivered. Should, but... At the same device (STM32F407 based) I have seen increasing the writing speed 5-10 times (depend of a block size) after formating using SDFORMATTER...
Posted on April 04, 2013 at 17:10Can you check with ODD=0? I do not use it. However, if I set DIV=1 and after this I chahged the format (I2S-LJ-RJ) sometimes I have seen the shift for a whole byte or even half-word, but if I don't change format and...
