Re: ADIS16405 communicating with STM32F103CBT6 using SPI
Hi Mark,Thank your for pointing out the error about tstall. I increased the tstall time, but nothing joyful happened. I will take your other suggestions, and check more about the singalsfurther. I...
View ArticleRe: 关于bf609buildroot生成的文件系统中用户自定义应用程序的自动执行？
Hi, Aaron 我按照你说的做了，我写了一个shell脚本app_test，用来执行我自定义的程序，然后我把shell脚本保存在/buildroot/output/target/app/下，然后在board/AnalogDevices/blackfin/target_skeleton/etc/rc的最后增加了./app/app_test,可是还是没有执行我的代码，难道是我的脚本写错了？...
View ArticleHow to improve the speed of reading SD card with BF518
Now ,I use the peripheral which is the RSI. And I configured it with 4-bit SD modes. I used the file system which is the Petit FatFs. Now DSP read the SD is 1.3M/s. But I want improve the speed, how...
View ArticleRe: 关于bf609buildroot生成的文件系统中用户自定义应用程序的自动执行？
very likely you have missed something, you may try to debug by starting from taking a look at the contents of /etc/rc on your target board when it's up.
View ArticleRe: How to improve the speed of reading SD card with BF518
The sd card is 4g, class 4. RSI_CLK is 50Mhz.
View ArticleRe: 关于bf609buildroot生成的文件系统中用户自定义应用程序的自动执行？
what is your hello file doing? try to do something like "mkdir /tmp/test_dir" in it, instead of print something, I am not sure if the print from rc will be displayed on the console.
View ArticleRe: 关于bf609buildroot生成的文件系统中用户自定义应用程序的自动执行？
hi，Aaron！ board/AnalogDevices/blackfin/target_skeleton/etc/rc与/buildroot/output/target/etc/rc有什么区别？
View ArticleRe: 关于bf609buildroot生成的文件系统中用户自定义应用程序的自动执行？
The later is generated according to the former, do edit the former instead of the later.
View ArticleRe: AD9963-EBZ and Xilinx ML605
Yes, I am configuring the TxCLK pin as an input because I am sending it through "TXCLKI_CMOS" pin in the "FMC adapter", as I have previously explained. I am also sending through "MAIN CLOCK INPUT" SMA...
View Articlesome adv212s are not working
hi DAVEi recently bought five adv212 . but only two adv212s are working in my board and compress image data but others are not working anyway. the hardware and software which is written for them is...
View ArticleRe: ADF435x software
Hi Rob, Thanks for your quick reply. I've tried the things you suggested, but unfortunately they don't make the sweeping faster. I've also tried using a different port and a different PC: still the...
View ArticleRe: ADV7623 OSD Font Question
Hi Chris, About the first question, there is no known problem with Tbox #0 but remember that the Tbox index must be in order from top to bottom and left to right for each video line. So T-box #0...
View ArticleRe: ADXL345 not returning DevID correctly via SPI
RonW, I came across your query while searching for other issues with the ADXL345. Some four years ago I discovered the ADXL345 is terrifically sensitive to ringing on its SDO line when configured for...
View ArticleRe: bypassing delay block in ADAU1761
Hi chuck: Would you mind sharing your schematic. This will help all debug your problem. Thank you Miguel
View ArticleRe: AD7176-2
Hi Chiranjeevi M, The settling time is the time required for the digital filter to fully settle any step at the input or any data from another channel in the case where multiple channels are used. The...
View ArticleRe: AD7714 self-calibration
HI Caleb Pellerin, Can you send me scope shots of your interface lines? Regarding why DIN should be kept high, there's a document on this which states: “The interface implementation on these converters...
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Re: bypassing delay block in ADAU1761
Hi chuckwin, When SigmaStudio compiles a project, each block gets an independent allotment of processor time (instructions), parameter storage, and data memory. The only connections between...
View ArticleADV7393 HSYNC and VSYNC timing diagram for input mode 000
Hello,For the ADV7393, the figure 6 of the datasheet shows the HSYNC and VSYNC timing diagram of SD input, 16-bit 4:4:4 RGB, input Mode 000. Please explain ( or give some reference) the detail of the...
View ArticleAD9517 PLL Clock Chip on AD9649 Evaluation Board
Hi, I have a query regarding the AD9649 Evaluation Board. On the schematics for the board, there is a AD9517-4BCPZ chip included as a clocking option (see attached schematic screenshot), presumably...
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