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Add calc_end function.

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Slava Bacherikov 2012-01-21 04:51:10 +02:00
parent 5195f5b7b4
commit 909d0c9cdc
1 changed files with 26 additions and 6 deletions
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32
dell.js
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@ -1,4 +1,12 @@
var encscans = [0x05,0x10,0x13,0x09,0x32,0x03,0x25,0x11,0x1F,0x17,0x06,
0x15,0x30,0x19,0x26,0x22,0x0A,0x02,0x2C,0x2F,0x16,0x14,0x07,
0x18,0x24,0x23,0x31,0x20,0x1E,0x08,0x2D,0x21,0x04,0x0B,0x12,
0x2E];
function ord(str){ function ord(str){
return str.charCodeAt(0); return str.charCodeAt(0);
} }
@ -42,14 +50,26 @@ function begin_calc(serial, s_arr){
return toByte(ret_arr); return toByte(ret_arr);
} }
function end_calc(serial, calced_arr, s_arr){
var r = 0;
var ret_arr = [];
for (var i=0;i<8;i++) {
r = 0xAA;
(calced_arr[i] & 1) && (r ^= serial[ s_arr[0] ]);
(calced_arr[i] & 2) && (r ^= serial[ s_arr[1] ]);
(calced_arr[i] & 4) && ( r ^= serial[ s_arr[2] ]);
(calced_arr[i] & 8) && (r ^= serial[1]);
(calced_arr[i] & 16) && (r ^= serial[0]);
ret_arr[i] = encscans[r % encscans.length];
}
return ret_arr;
}
function calc_suffix_tag(serial){ function calc_suffix_tag(serial){
var ret_arr = begin_calc(serial,[1,2,3,4]); var serial_arr = StrintToArray(serial);
var ret_arr = begin_calc(serial_arr,[1,2,3,4]);
return end_calc(serial_arr, ret_arr, [4,3,2]); //8,9.10 For HDD
} }
function dell_service_tag(serial){ function dell_service_tag(serial){