How to know the length of received data in lwip? If the sent data ends with 01 02 03 04 00 00 00 00, it seems that the real data length cannot be calculated using the pointer in pbuf (the unupdated da...
I wrote a small program for PPC2003 machine, this program includes a dynamic link library file. When I copy the program and this dynamic library to PPC to run, why can't it run! The program reports an...
1 Introduction to Virtual Instruments The main functions of all measuring instruments are composed of three parts: data acquisition, data analysis and result display. Data analysis and result display ...
This is a simulation experiment of the LM358 Howland circuit that I did. I found that the voltage is normal below 5V, but it is saturated when it exceeds 5V. How do I calculate the saturation value of...
UBOOT version: 2010.06 version According to the online tutorial, after transplanting DM9000 and NORFLASH. Download to SDRAM for debugging. There is a problem. First, it cannot be PING. But I clearly f...