本帖最后由 0522 于 2012-3-21 23:04 编辑
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g1 t: t6 g2 D) a7 J4 ^修改的代码早有了。到今天不会编译。$ m! D B8 b0 Y6 M# ]4 z$ e
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ T% ]2 ]6 a Y3 l/ g) d: v - #include <malloc.h>" j2 `6 }7 Z) E0 @+ _7 a1 i# Y
- #include <sys/types.h>) @- i B$ I+ j1 t9 ?
- #include <sys/stat.h>
q; u2 y9 P0 H; m7 m0 x* k - #include <sys/ioctl.h># w' t. N3 \! @" y' r
- #include <stdio.h>
d4 t3 |! e3 Q* d - #include <string.h>
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- typedef struct {
: m3 X f4 |0 Q( Z$ s& B - unsigned int e2prom_cmd_sub_addr;6 p" l7 `% }' v. T1 ]. g
- unsigned int sub_addr_count;" u4 K# `4 D5 ]$ _. u
- unsigned char* e2prom_cmd_data;2 `% [5 d, U+ k0 e
- unsigned int data_count;
' ~' Q' r( D1 O! O- A$ x4 v/ F - } e2prom_s_cmd;* H7 [& X- R5 Q9 C" {" [. ~
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- #define E2PROM_CMD_READ 1
+ m) f K1 y' B" f3 \: A! x - #define E2PROM_CMD_WRITE 28 M, ]( { h K; W* L& w8 d5 J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 j6 @; n+ ?$ `* ?! w
! g- Z7 `0 T$ ?% J# }! K! X+ e- static int readparam(unsigned char *mac, unsigned char *stbid)
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8 C0 X" X/ ~) L, y. C! m - int fd, ret;1 D3 @1 F p) T
- e2prom_s_cmd arg;( V' K# C& T$ @, N
- unsigned char buf[0x18];; T1 z% u9 S& ]1 A y, e
* _5 u5 j9 [+ H9 }9 d; O- fd = open(E2PROM_DEVICE, O_RDWR);
& T8 G0 m! Y' ~9 t - if (fd < 0) {
4 n- o9 S1 x9 s; C - printf("Device %s open error.\n", E2PROM_DEVICE);: p$ M |: ?* n- d7 @$ G' E
- return -1;" U' V( l9 \& @/ W# B2 W
- }7 r" f$ u! D3 ]1 {* R/ v$ s
- arg.sub_addr_count = 2;8 |# i" I! C& B; \' Z; v6 `
- arg.data_count = 0x18;
/ H+ B. B; ]' Q( S - arg.e2prom_cmd_sub_addr = 0x290;
: M9 V! F5 _* f - arg.e2prom_cmd_data = buf;
( P7 e8 ?6 @) I* i2 q/ E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 g% g( ]. E) R _( O, W9 {
- if (ret != 0) {$ V+ Y) j0 U i. s, M
- printf("Device %s read error.\n", E2PROM_DEVICE);
" m. a2 ^, _3 _; P3 V [( x5 v/ X. g* W - return -1;
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- memcpy(mac, buf, 6);
$ }- U" q2 i9 ]# \& T8 n - memcpy(stbid, &buf[6], 18);
+ f0 _& z' T+ X1 i& T. I# } - stbid[18] = '\0';
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- return 0;
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0 ?! y' o' V1 n- p" ]- static int writeparam(unsigned char *mac, unsigned char *stbid)
& O; u+ ?% I/ \, m m - {
& r( r4 z3 F* c0 ^8 q - int fd, ret;
6 _5 w7 F+ e7 X0 M0 T$ ]: C - e2prom_s_cmd arg;8 M$ D" `; B) s! L% n
- unsigned char buf[0x18];+ @& @5 P$ Q A% G6 J
- : z5 A0 P4 F1 h
- memcpy(buf, mac, 6);5 r S; j5 t& s B3 e* e
- memcpy(&buf[6], stbid, 18);
7 \ v7 i8 \' O0 Q4 G - fd = open(E2PROM_DEVICE, O_RDWR);1 j# P, e3 Z# I, q9 e3 K1 ~6 w
- if (fd < 0) {
$ w9 g, O0 z8 r2 p* j6 t; U! y - printf("Device %s open error.\n", E2PROM_DEVICE);
: z1 ^" p9 u, _7 k4 f" v" G - return -1;
+ Y! M, X, s* s9 ?6 r2 s9 r - }
z6 x0 P; h/ f. M/ Y' W5 a - arg.sub_addr_count = 2;
( S8 J. Z" b7 T; ?% e% G9 d - arg.data_count = 0x18;' i+ ?$ K+ m* ]/ b B
- arg.e2prom_cmd_sub_addr = 0x290;3 J, J5 l u( a. e
- arg.e2prom_cmd_data = buf;
1 }3 a! m# h* |' ^& x - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' [4 d! b9 ]7 `& K4 U
- if (ret != 0) {2 |6 Z) m, [! [% a
- printf("Device %s write error.\n", E2PROM_DEVICE);
% l+ S' I% S7 t1 Z) d - return -1;
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- return 0;
1 h1 `0 W5 z- o$ }* S - }
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5 ^/ @& o) v/ `$ N/ }- int main()9 u+ X3 T- g+ O9 \
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- char c;/ r: n- |7 U% ]6 s" `
- int i, macs[6];6 [) }; U/ E; L
- unsigned char mac[6];
0 T* ~, o5 O6 B6 w' G4 v$ M - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0): [; d1 ~# ?# B- q
- return 1;# x9 s1 c6 `& k3 O8 n1 b
8 T {+ P1 k, F3 z/ l- printf("Current parameters: \n");
) C* m6 x) N) a. j; [5 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* G8 o- L' L9 _4 f+ k- F& d- v( ]
- printf(" STBID: %s\n", stbid);) E8 d! g7 G* }8 W/ k, i2 S. Z
- , N! Y2 U4 ?! r% t
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& d! C1 i* X5 ~% |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 L1 H# A! i" W8 V& Y" Q - printf("Input MAC error\n");
! T& ]+ J* F$ t/ l0 N \/ y, n - return 1;+ a+ y2 c+ x5 q+ q
- }
- e! U/ O e6 A9 Z! a0 q - for (i=0; i<6; i++)mac[i] = macs[i];; ^0 p5 `7 q8 f* @
- printf("\nPlease input new STBID: ");
: E. r* X0 E/ p4 f& A2 E# r - scanf("%s", stbid);
6 k3 y! h8 Z2 F" V: } - if (strlen(stbid) != 18) {, ]- i; r+ E1 A$ c$ _+ t
- printf("Invalid stbid\n");. C8 y0 M6 o' u4 t. w* c; v' C/ q
- return 1;8 c% y. G# I" w' i/ j! ^# {
- }
) r/ z. X' g7 I/ @! C! v+ O - printf("\nNew parameters: \n");
5 x5 o, z& W' P8 Y& M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, d; s. }' w n( F$ E
- printf(" STBID: %s\n", stbid);
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. o: I. Q, k$ N' d6 ]7 l. i- printf("\nDo you want to change paramemters? (y/N) ");
f/ v0 z. k7 p( O R' G ? - for (;;) {
% Y& F$ u. Y1 P, \) l0 r& L& d - c = getchar();, y5 F- _5 h( E- M4 u* b7 X$ w2 |
- if (c == 'y' || c == 'Y')
0 B9 C9 Y0 `$ {( r8 E - break;
$ q: u& v9 k& \" h3 K& C4 c - if (c == 'n' || c == 'N') {1 F7 c. @3 d! v. N+ B
- printf("\nAborted.\n");- q) L/ q" I v
- return 1;
; v( D' r+ }8 F" S/ l - }
3 ~# a. y/ n* K - }
7 O$ R( r: y% }5 I6 A! v. C - if (writeparam(mac, stbid) == 0) 0 p- O# g' \% D$ F b
- printf("Parameters changed.\n");
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: j' ~: u" j$ l: Z- return 0;- t. [/ Z. n8 y6 W: d
- }
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