STM32's UART does not have FIFO, but it has DMA. UART's interrupt flags have 4 very important flags, TXE, TC, RXNE, and IDLE. I have made an improved serial port interrupt + ring buffer method to oper
Spending Chinese New Year in the countryside, the last time going to the market... Does it have the flavor of Chinese New Year? Does it bring back any memories?
[size=14px] Zhejiang Dianniu Electric Co., Ltd.: Zhejiang Dianniu Electric Co., Ltd. hired Professor Wang Xisheng of Zhejiang University and Academician of the Chinese Academy of Engineering as its ch
[font=微软雅黑][size=3][/size][/font] [font=微软雅黑][size=3] [/size][/font] [color=#000][font=微软雅黑][size=3] Tomorrow is Christmas. Can you all feel the festive atmosphere? [/size][/font][/color]{:1_102:} [fo
I have developed a HID card swiper driver that can already read data (I used createfile readfile overlapped mode). However, I found a problem. If I swipe card A before calling start card swiping, and