p.p1 { margin: 0; font: 12px “Helvetica Neue”; color: rgba(69, 69, 69, 1); min-height: 14px }
p.p2 { margin: 0; font: 12px “Helvetica Neue”; color: rgba(69, 69, 69, 1) }
span.s1 { font: 12px “.PingFang SC” }
有符号数,转成Int 无符号数
int addr = bytes[0] & 0xFF
int addr = (uint8_t)bytes[0];