javaÖÐλÔËËã·û,(byte) 0x80 µÄÄǸö,ΪºÎ´ð°¸ÊÇ - 32 - °Ù¶ÈÖª ...

0x80 ±íʾ 128£¬£¨0x ´ú±í 16 ½øÖÆ£¬8 * 16¹ + 0 * 16º = 128£©£¬128 µÄ¶þ½øÖÆÊÇ 10000000£¬¼´ 2 µÄ 7 ´Î·½¡£byte...


ÔÚbyte Êý×éÀïÇø±ð¸ºÊýºÍ´óÓÚ0x80µÄÊý

ÔÚbyte Êý×éÀÊÇûÓа취Çø±ð¸ºÊýºÍ´óÓÚ0x80µÄÊýµÄ¡£ÒòΪËüÃDZ¾¾ÍÊÇÒ»ÑùµÄ¡£¼´ÔÚbyte Êý×éÀ¸ºÊý¾ÍÒ»¶¨ÊÇ¡°´óÓÚµÈÓÚ¡±0x80µÄ¡£ËùÓС°´óÓÚ¡±0x80µÄÊý¾ÍÒ»¶¨ÊǸºÊý¡£


javaÖÐbyte±äÁ¿µÄ·¶Î§ÎÊÌâ

byteÊÇÒ»¸ö×Ö½Ú£¬ÆäÖÐÓÐ8λ£¬È¡Öµ·¶Î§Îª -128~+127,±ÕÇø¼ä ÒòΪÓзûºÅ£¬ËùÒÔ·ûºÅλռһλ -128µÄ¶þ½øÖÆλ 1000 0000 Ò²¾ÍÊÇ0X80 Õâ¸ö²»½ÐÒç³ö¡£¡£ÊDz»ÊÇ...


python - 'utf - 8' ±à½âÂëÆ÷ÎÞ·¨½âÂë×Ö½Ú 0x80...

UnicodeDecodeError: 'utf-8' codec can't decode byte 0x80 in position 110: invalid start byte ÎÒÈÏΪÕâÊÇÒòΪÒÔϹ¦ÄÜ( ÍêÕû´úÂë) # Closure-d function for checking SHA1...


java byte b = 0x80;Ϊʲô»á±¨´í,Çó½Ì

ÒòΪʲô0x ¿ªÍ·µÄÊÇ16½øÖÆ,±àÒëµÄʱºò»á×Ô¶¯×ª³ÉÕûÊý,¶øÕâ¸öÕûÊý³¬¹ýÁËbyteµÄ³¤¶È(byteÈ¡Öµ·¶Î§ÊÇ-128 ~ 127), ¶ø0x80תΪʮ½øÖÆ = 128ËùÒÔ±¨Ëðʧ¾«¶ÈÁË,±àÒë²»¹ýµÄ...


javaµÄÀàÐÍת»»±¨´í: ²»¼æÈݵÄÀàÐÍ: ´Óintת»»µ½byte...

´óÓÚ127µÄÊý×Ö£¬ËùÒÔÕ¼ÓÃÁ½Î»£¬byteÖ»ÄÜÕ¼ÓÃһ룬µ±È»»á³ö´í¡£ Èç¹ûҪʹÓÃint¸³Öµbyte 0x80±ØÐëʹÓøºÊý¡£ »òÕßʹÓÃbyte½øÐÐÇ¿ÖÆת»» byte a = (byte)0x80 ...


ÎÊÒ»¸öjava»ù±¾Êý¾ÝÀàÐ͵ÄÎÊÌâ

byte b=(byte)0x80;²»±¨´íÔËÐнá¹ûÊÇ-128£¬Õâ¸öµÄÔ­Òò¾ÍÊÇÔÚÇ¿ÖÆÀàÐÍת»»µÄʱºòÈ¥µôÁ˳¬³öµÄ²¿·Ö£¬È»¶øbyteµÄ·¶Î§¾ÍÊÇÔÚ-128~+127Ö®¼ä£¬¶øÄãÕâ¸öʸºÊý£¬ËùÒÔÈ¥µô¶àÓà...


JavaÖеÄλÒÆÔËËã:(byte)ox80>>2µÃ - 24ÔõôËã³öÀ´µÄ - °Ù¶È...

µÚһλ±íʾ·ûºÅ£¬1Ϊ¸º0ΪÕý¡£µ±µÚһλÊÇ1µÄʱºò¼´¸ºÊýµÄʱºò ×öλ²Ù×÷ÏàÓ¦µÄ·ûºÅ²»±ä 0x80=1000 0000 0x80>1=1100 0000 0x80>>2 = 1010 0000 ...


¹ØÓÚ´ø·ûºÅÓÒÒÆ

¶ø0x80תΪ¶þ½øÖƾÍÊÇ1000 0000 ÕâÔÚbyteÀï±íʾ-128 ÓÚÊÇÖ´ÐÐ-128>>2 -128תΪ¶þ½øÖÆÊÇ1000 0000 ×óÆðµÚһλ1ÊÇ·ûºÅλ ±íʾ¸º ¶ø´ø·ûºÅÓÒÒÆÁ½Î»ºó¾ÍÊÇ 1010 ...


nrf24l01µÄ±à³ÌÖÐMOSI=(byte&0x80)ÊÇʲôÒâ˼

MOSI=£¨byte&0x80);Èç¹ûbyte×î¸ßλÊÇ1£¬ÄÇôMOSIΪ1¡£Èç¹ûbyte×î¸ßλÊÇ0£¬ÄÇôMOSIΪ0¡£Õâ¾ÍÊÇÓëÔËËãµÄ£¬ÊÇûÓÐÎÊÌâµÄ£¡


Ïà¹ØËÑË÷

ÈÈÃÅËÑË÷