I am using IAR, and this error occurs when compiling: internal error: [CoreUtil/General]: Illegal state. I hope that experts who encounter this problem can help me solve it. I would be very grateful!!
Basic idea:Achieve 3-way adjustable LED control (SOS signal light, lighting light, emergency indicator light). In addition, when the lighting light is used, a photosensitive resistor is used to detect
"Fidelix semiconductor limted DCT GLOBAL LIMITED Kevin / Zhang Fei 15818682078 Email: kevin@dct-global.com MSN:fei-zhang@hotmail.com QQ: 554166435" "Fidelix Semiconductor Co., Ltd. in South Korea spec
I am debugging a program that uses 149 to drive a 128*64 dot matrix LCD screen. Since the port voltage of 149 is 3.3v and the port voltage of the LCD screen is 5v, I use 245 for level conversion. It w
I want to know the workflow of an SD card device that works through an SD card reader (identified by the system as a removable storage device). Does the SD card device need to maintain its own file sy