本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
" ]: e) [! r) \需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ }9 D3 o2 ^' t" j - #include <malloc.h>
" _. @2 Q+ h5 G; l& I K% e9 j - #include <sys/types.h>8 b( `; g& K. k* w
- #include <sys/stat.h>
( V. _% q2 h$ m' m }; I - #include <sys/ioctl.h>
- `! N) ]" s& Y* q - #include <stdio.h>7 p- C4 T7 ?5 A
- #include <string.h>, r# g0 W; O2 k6 l4 t9 c4 P- G" a
1 i* J$ X/ W& [& l, Z1 p- typedef struct {
' F o s* M0 R" a o% W - unsigned int e2prom_cmd_sub_addr;
4 |* y: K( K. X% r! y6 w0 C - unsigned int sub_addr_count;- }0 O2 B" a6 [3 G& y# h7 w
- unsigned char* e2prom_cmd_data;
' P0 S4 j( x: J& I5 x - unsigned int data_count;" b: h2 e" T6 _* _# q; i$ A; _: Y
- } e2prom_s_cmd;% p7 s4 ~/ f1 U X9 K
$ n1 v" g, r0 k# n- #define E2PROM_CMD_READ 1
9 G; w' D: S# P3 s+ K# N - #define E2PROM_CMD_WRITE 26 {, C2 d; V3 L4 N1 ^4 x, {( c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# ?# N9 `9 d5 ]# s% @4 ?" J1 @, R1 m( ^- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
" T; f, w1 Z; Y8 z3 ?6 W - e2prom_s_cmd arg;
* j) L3 v* p* y! l' C - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);6 ~( O) }6 m, T7 j! h0 j7 J' W
- if (fd < 0) {3 F# W; m/ c3 P! W# M' H, `# ^
- printf("Device %s open error.\n", E2PROM_DEVICE); p& c# r; ]2 B k9 v9 }3 X
- return -1;- f7 C# @# A, \# W6 a
- }
' T m1 k/ M* w9 u* V - arg.sub_addr_count = 2;% }+ L c/ @" K3 k7 ~
- arg.data_count = 0x18;
1 `' M* L1 W" ^" [& w Y- a - arg.e2prom_cmd_sub_addr = 0x290;
) R1 g4 y' v% m+ f& J7 R" R- C - arg.e2prom_cmd_data = buf;
( R: }( v, e0 z3 F3 C2 y/ \& q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, c& i0 D( d$ V2 u - if (ret != 0) {; p& d& G2 L: S' R+ u; W
- printf("Device %s read error.\n", E2PROM_DEVICE);
- b3 ^3 k# s* q0 d2 s# s - return -1;( `3 ~* u) g! E/ A3 L; y3 S
- }) q, U! F: [6 s6 } a
- memcpy(mac, buf, 6);. p+ ~( e9 x2 _: N7 I
- memcpy(stbid, &buf[6], 18);
" f% C$ n: s- B( y - stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid): P/ y6 _ C% ]
- {
4 _" C k5 O$ Y0 R- [ - int fd, ret;
' R, j8 D% b) o7 b - e2prom_s_cmd arg;% b3 z8 [, U' I! t% v! D
- unsigned char buf[0x18];0 Z, r1 G/ o6 |" e6 m4 H
- " A! W+ {# s8 ^/ M: l: z# ]
- memcpy(buf, mac, 6);
6 m' K P. S, i9 R! q( w" m - memcpy(&buf[6], stbid, 18);5 B( k$ l& G2 m1 k) t# l
- fd = open(E2PROM_DEVICE, O_RDWR);* v/ A! u; ^5 O3 E4 p( N3 i
- if (fd < 0) {
- f& V# p# c# V+ \+ J& Y1 _4 ] - printf("Device %s open error.\n", E2PROM_DEVICE);5 |- j |2 M$ N4 e Y
- return -1;
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- arg.sub_addr_count = 2;
0 @5 c. S) \* K6 F0 y( Q) { - arg.data_count = 0x18;
% C) _+ B5 D# G G- t! H - arg.e2prom_cmd_sub_addr = 0x290;2 _( Z/ m' d4 r6 E
- arg.e2prom_cmd_data = buf;
' P( X/ \; O4 A) V- v# g - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' R6 J, z3 ]) a4 O2 [ - if (ret != 0) {8 r! a8 x6 H5 s2 t E" N
- printf("Device %s write error.\n", E2PROM_DEVICE);
( @: n# s/ v9 O9 e - return -1;
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- 5 B4 v$ o. p2 Z* Y! S5 x
- return 0; P% N+ E7 u6 v! l
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- ' D. ?# D5 [+ ]9 I3 ?4 o
- int main()
4 w$ h" i/ j. ~2 K/ C: @( W+ { - {% ?9 k# X; H" d) D* j
- char c;
0 t; f- J$ Z" S( w, {+ m% ]6 e* ? - int i, macs[6];
& I+ R2 m% ?0 m - unsigned char mac[6];: Z3 _* D8 x5 Q6 X
- unsigned char stbid[256];
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+ a/ t9 G1 k J. S4 | z7 p7 R0 B- if (readparam(mac, stbid) < 0), G# W3 m! D& P5 c
- return 1;3 {- L$ h( c: s2 Z
$ O N: b1 `& n! @8 L3 J- printf("Current parameters: \n");/ m; @( H7 [1 x5 }* \# u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, C+ j' \$ H( X$ Q8 J2 q; j! |- M - printf(" STBID: %s\n", stbid);/ h7 `( D( {+ ]4 @. J4 `1 ^4 ]5 @
-
# f4 a. I. `/ K% a {- V4 f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 v' z8 ^. f! f% _& [2 s- C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 z7 N8 {. w% o) I5 R/ `
- printf("Input MAC error\n");
3 F4 {0 F r. r - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];; p) L. @; e* L& B! b [' o
- printf("\nPlease input new STBID: ");
: _2 {) j/ L4 ]! y) c$ e' X& Q - scanf("%s", stbid);
G2 \! x. Z, j9 e( Q - if (strlen(stbid) != 18) {
( g1 R8 h, n+ r4 i! W' W7 `1 W/ n' X - printf("Invalid stbid\n");. d( b+ k& K9 H$ e
- return 1;; M- ^5 R* |2 \1 K( J/ e ]
- }! O) H, j9 a* C+ ]+ R
- printf("\nNew parameters: \n");: |; c; e2 }. S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 G$ `, A6 l% R: b9 r5 X - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
3 ?8 M3 Z8 O2 `3 K - for (;;) {$ A( q$ |, |& i5 D N" l8 B
- c = getchar();
9 D) v6 [. [3 t: | - if (c == 'y' || c == 'Y')! N2 c3 e& ?' z. c, E" \1 u
- break;
2 o' r( |- d1 F7 O* h- c4 [ - if (c == 'n' || c == 'N') {
" [' a' U( z4 r2 u6 @ - printf("\nAborted.\n");+ T r+ ^9 m/ C o+ ? J! y
- return 1;( I& k) z- Y( [$ P# d' f
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- }
" {, l9 a. f5 C - if (writeparam(mac, stbid) == 0) 5 G7 y' @8 W8 N
- printf("Parameters changed.\n");5 ?$ |- ^3 o! X% E
5 }* v7 {6 Z, |% o0 b3 m0 \. @- return 0;
& g+ d5 \. Q. j2 z6 V - }
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