[align=left][color=#000][font=微软雅黑][size=3]Some time ago, I learned 28335 FLASH API, downloaded the routine to DSP, and added a lighting program to it. There was no problem at first when debugging, bu...
Visual Studio 2008 I use MmMapIoSpace function to access physical memory. The compiler cannot find this function. MSDN says include ceddk.h. After I include this header file, I cannot find pkfuncs.h. ...
ARM has 7 basic working modes User: non-privileged mode, most tasks are executed in this mode FIQ: this mode is entered when a high priority (fast) interrupt occurs IRQ: this mode is entered when a...
After a quick look, does the 401 serial port of this board not have an onboard TTL to RS232 level converter? Does it need an external converter on the lead pin?...
Ordinary photoelectric switches, whether they are through-beam or reflective, have four pins. Two of the pins are the pins of the infrared emitting diode, and the other two are the pins of the phototr...
[font=Helvetica Neue, Helvetica, Arial, sans-serif][size=2][color=#222222]In the era of information explosion, reading is still essential. I would like to share a very good article I saw about how to ...