笔记本电池和笔记本之间通过SMbus协议通讯（其实就是I2C，两条线SCL和SDA），笔记本可以通过SMbus总线读取到电池的一些信息，如剩余电量、充放电电流、电压、温度等信息。经过大量数据分析发现，在插入电池的5秒时间内，笔记本会对电池进行判别，如果是非法电池则无法开机。
具体是这样的，监测发现，在插入电池后，电池和笔记本中的另一条数据线（标识为ID线）上有一系列电平变化动作，接下来笔记本在SMbus总线发一条0x3e读命令给电池，电池回复9字节给笔记本，每次监测发现这9字节数据开始两字节每次相同，剩余7字节每次不同。
我的猜测是：每次插入电池，笔记本通过ID线传送一些数据给电池，笔记本电池通过约定好的算法将数据处理，接着笔记本通过SMbus总线发送0x3e读命令读取计算结果，通过比对确定是否为原装电池。
USB逻辑分析仪将ID线上的电平变化按异步串口分析，结果为47字节数据，开始两字节每次相同。
有没有大侠对这块有了解，可以给些建议。
贴张USB逻辑分析仪图和两组电池识别通讯数据。
第一组数据
ID上数据
Time [s],Serial Data,Parity Error,Framing Error
0.0137357,0x6f,,
0.0149858,0xbf,,
0.0166256,0x03,,
0.0178294,0x3b,,
0.0190363,0x5b,,
0.0201407,0x97,,
0.0212467,0x4c,,
0.0222487,0xb4,,
0.0232551,0xf8,,
0.0248612,0x4e,,
0.0261661,0xb6,,
0.0272719,0xff,,
0.0303659,0xc3,,
0.0315740,0xb3,,
0.0327791,0x7f,,
0.0339872,0x0e,,
0.0351922,0x09,,
0.0364002,0xa8,,
0.0376052,0x47,,
0.0388132,0x6b,,
0.0400182,0x53,,
0.0412263,0xb9,,
0.0460132,0xc5,,
0.0472171,0x17,,
0.0484239,0xa5,,
0.0496278,0xef,,
0.0508346,0x28,,
0.0520384,0x5f,,
0.0532452,0xed,,
0.0544492,0x4a,,
0.0556560,0xc7,,
0.0568598,0x4b,,
0.0580667,0x29,,
0.0592706,0x8a,,
0.0604775,0xc3,,
0.0616813,0x30,,
0.0628882,0x62,,
0.0640920,0x48,,
0.0673342,0xc7,,
0.0685422,0x7b,,
0.0697472,0x14,,
0.0709553,0xb2,,
0.0721603,0x41,,
0.0733683,0xc9,,
0.0745732,0x20,,
0.0757812,0xa1,,
0.0769861,0x53,,
0.0781941,0x26,,
SMbus总线上0x3e命令数据
3.5180406,Start
3.5181241,Setup write to 0x0b. +ACK
3.5183848,Wrote 0x3e to 0x0b. +ACK
3.5187619,Start
3.5187829,Setup read from 0x0b. +ACK
3.5194416,Read 0x08 from 0x0b. +ACK
3.5196974,Read 0xd7 from 0x0b. +ACK
3.5199539,Read 0xc4 from 0x0b. +ACK
3.5202098,Read 0x44 from 0x0b. +ACK
3.5204663,Read 0x72 from 0x0b. +ACK
3.5207228,Read 0x4d from 0x0b. +ACK
3.5209791,Read 0x88 from 0x0b. +ACK
3.5212356,Read 0x19 from 0x0b. +ACK
3.5214920,Read 0x3f from 0x0b. +No ACK
3.5218308,Stop
第二组数据
ID线上数据
Time [s],Serial Data,Parity Error,Framing Error
0.0137430,0x6f,,
0.0149920,0xbf,,
0.0159295,0xb0,,
0.0169331,0x98,,
0.0181401,0x95,,
0.0193440,0xf3,,
0.0205510,0xc6,,
0.0217549,0x18,,
0.0229619,0x9a,,
0.0241658,0x5f,,
0.0253728,0x80,,
0.0265767,0x38,,
0.0303698,0xc3,,
0.0315768,0xbe,,
0.0327807,0x90,,
0.0339876,0x3b,,
0.0351915,0x36,,
0.0363984,0x53,,
0.0376022,0xa1,,
0.0388092,0x77,,
0.0400131,0x4e,,
0.0412200,0x3b,,
0.0460110,0xc5,,
0.0472149,0xf9,,
0.0484218,0x15,,
0.0496258,0x82,,
0.0508328,0x37,,
0.0520367,0x5c,,
0.0532437,0xa3,,
0.0544476,0xdf,,
0.0556545,0x95,,
0.0568584,0xf3,,
0.0580653,0xc6,,
0.0592692,0x18,,
0.0604762,0x9a,,
0.0616800,0x5f,,
0.0628869,0x80,,
0.0640908,0x49,,
0.0673272,0xc7,,
0.0685340,0x4d,,
0.0697378,0x83,,
0.0709448,0x5c,,
0.0721485,0x16,,
0.0733554,0x43,,
0.0745592,0x8c,,
0.0757661,0x4e,,
0.0769699,0x4e,,
0.0781768,0x74,,
SMbus总线上0x3e命令数据
3.5180426,Start
3.5181263,Setup write to 0x0b. +ACK
3.5183871,Wrote 0x3e to 0x0b. +ACK
3.5187626,Start
3.5187836,Setup read from 0x0b. +ACK
3.5194416,Read 0x08 from 0x0b. +ACK
3.5196989,Read 0xd7 from 0x0b. +ACK
3.5199544,Read 0x24 from 0x0b. +ACK
3.5202118,Read 0xbf from 0x0b. +ACK
3.5204703,Read 0xdb from 0x0b. +ACK
3.5207268,Read 0x8d from 0x0b. +ACK
3.5209817,Read 0x69 from 0x0b. +ACK
3.5212371,Read 0x99 from 0x0b. +ACK
3.5214941,Read 0x24 from 0x0b. +No ACK
3.5217608,Stop
