Functions and operations of the M1 Card e-Wallet

Any M1Data BlockIt can be operated using the e-Wallet function. Valid Commands include:Read/write increase/decrease recovery, The sending value segment has a fixed dataFormatYou can perform error detection, correction, and backup management. If you do not write an initial value in the specified format, you cannot perform command operations based on the e-Wallet function,

Sector structure

 

 

Storage Structure of e-wallet in data blocks

 

For example, if you set the initial wallet value to 0 xffffffff, the address is 0x01, and the data written to the data block of the M1 card is,

U8 defaultdata [16] = {0xff, 0xff, 0xff, 0xff, 0x00,0x00,0x00,0x00, 0xff, 0xff, 0xff, 0xff, 0x01, 0xfe, 0x01, 0xfe };