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。. Y6 ]+ k" f. t6 R, F8 t
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ }! I( t4 C& M0 R - #include <malloc.h>
' f6 f0 ~* \* r - #include <sys/types.h>
2 z( {: h% J9 `( u - #include <sys/stat.h>
: r/ O$ g u: X - #include <sys/ioctl.h>( W; j: ]4 J+ z- ]/ `
- #include <stdio.h>4 y7 [- y# f: W# ^. ?1 u* \/ @& J
- #include <string.h>: ^ d& m5 [& `1 G, o
- 2 J' W5 b: E. Z' K; e, Z1 C1 y
- typedef struct {
- ~& e" l/ r% A: P - unsigned int e2prom_cmd_sub_addr;$ f5 j* |# j) t2 x
- unsigned int sub_addr_count;# d4 I7 `0 @! ?, w, J' r
- unsigned char* e2prom_cmd_data;
7 M& D/ h" j9 C - unsigned int data_count;7 t& N, Z8 ^ p, T' y
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
: G2 Z4 E1 d+ i# M8 U - #define E2PROM_CMD_WRITE 2 y n8 k" Z! {$ w8 m' z/ U- i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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% e7 \% `& |, ~/ w' S- static int readparam(unsigned char *mac, unsigned char *stbid): s, I, v4 N2 e( _6 r3 K2 L# n
- {/ h; [/ Y7 E: R: r& @
- int fd, ret;
2 l2 ]* v1 T5 B, C4 w1 } - e2prom_s_cmd arg;
" T4 ^/ L" n2 D# K6 U; h( ~# |5 _ - unsigned char buf[0x18];' g$ w/ N4 c2 G. c
0 O+ C. U) W2 Q# i' R7 g- fd = open(E2PROM_DEVICE, O_RDWR);
0 I: I9 U9 U9 F - if (fd < 0) {. n8 l* D! L. M! J4 T! }" W: p ]
- printf("Device %s open error.\n", E2PROM_DEVICE);2 [. H7 d5 c- L, u* }
- return -1;7 _7 h- o4 X" b- u3 Y" A8 [* d
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- arg.sub_addr_count = 2;) r9 Y; H2 m; T1 d2 l! J+ U7 z: }
- arg.data_count = 0x18;
* Q( y4 z, X( x - arg.e2prom_cmd_sub_addr = 0x290;
# K. l: m$ I; b) l' S - arg.e2prom_cmd_data = buf;
, ~! l2 J9 m, I; f" R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* i/ u0 n. O ~' o( R, [1 u
- if (ret != 0) {' ?. v1 v& f* e; B( v: F
- printf("Device %s read error.\n", E2PROM_DEVICE);4 y) g( t* G; u
- return -1;
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- memcpy(mac, buf, 6);
/ l; y" g7 ], a - memcpy(stbid, &buf[6], 18);- f- [; e9 Y1 S: z6 T
- stbid[18] = '\0';+ I. g* [- f3 ?; F0 N
+ N! K9 d1 Y! ^& r- return 0;% u9 u% X Y6 R% O. K* I% p2 U
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid) j( D9 t: }9 f
- {
5 [2 ~* ?- [. U - int fd, ret;
* }" s6 c9 y, T" G u - e2prom_s_cmd arg;
3 c) S- l6 O* a6 ?& T; M - unsigned char buf[0x18];
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\9 P( M# {+ b1 Z6 \- memcpy(buf, mac, 6);0 \5 v( i W( y4 i8 I
- memcpy(&buf[6], stbid, 18);
9 F2 V& h% @8 @2 }5 O/ n4 D - fd = open(E2PROM_DEVICE, O_RDWR);
( T2 r/ Y0 K( G7 _6 _5 ] - if (fd < 0) {8 o; H) T% L6 F7 @/ F4 P7 K
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ b6 Q& _; u( J. }( O$ Y9 T - return -1;
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- arg.sub_addr_count = 2;
$ H+ q ?# T# d6 \7 L - arg.data_count = 0x18;/ s1 u4 c1 p q. M0 {
- arg.e2prom_cmd_sub_addr = 0x290;
6 i: n) e' l5 |, @4 F/ [( G; }! `2 ^ - arg.e2prom_cmd_data = buf; v' K, T% M1 h/ E0 c0 Y" i
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);. f' ~2 I. l( h* b
- if (ret != 0) {# l! h3 m+ J: `" y: k
- printf("Device %s write error.\n", E2PROM_DEVICE);
8 T b" g; @2 o7 ? - return -1;8 n h+ o( \1 K: D, k7 `
- }
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- return 0;
# T3 H. [- K0 _2 K- z7 X6 Z - }
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. ]# {2 I$ I" X# _- int main()
8 Z" V2 O( k# I1 ? - {
* k& I, x, v7 i& e5 O5 t5 P9 j - char c;
8 j& k3 r2 n. O! ~ - int i, macs[6];
( q7 B4 N6 Y Q1 f3 \" T4 \2 x - unsigned char mac[6];5 o1 _1 P; n% R4 E0 d+ R" O
- unsigned char stbid[256];- D2 E& F% j3 s" l" `; e
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- if (readparam(mac, stbid) < 0)
! K4 @* {. a b9 w" Q - return 1;
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* d# K" t, Z3 i, j5 k+ T- printf("Current parameters: \n");
& h3 \- ?2 v2 o3 n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) p9 ~; m3 B" T. B7 H - printf(" STBID: %s\n", stbid);) S8 B, R4 b& h: E% J
-
* o- C3 P& y8 S+ v8 z8 E8 Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. j, E; w! N: V7 o& Z; s. C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ @+ n: S1 A( R9 a& s
- printf("Input MAC error\n");
& M* x2 A: P- b( I- H( ~ - return 1;
8 V& c0 O7 }0 x0 k: U% ] - }
& q4 T9 D R4 M4 w7 U3 L! ?3 H! ] - for (i=0; i<6; i++)mac[i] = macs[i];
( w* b/ P7 [) k3 z& ~: x( k - printf("\nPlease input new STBID: ");8 V, Q" Z* H! w' L1 ?2 @1 B
- scanf("%s", stbid);, |, W+ e; m0 S" J" W) |, k
- if (strlen(stbid) != 18) {
: l! W' u: R* @7 O$ L+ a - printf("Invalid stbid\n");7 J% y2 T1 w/ }/ ]7 Y5 {
- return 1;
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- printf("\nNew parameters: \n");6 c6 b. L g4 ~! m" z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: I) M9 I& B/ Y
- printf(" STBID: %s\n", stbid);
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( s0 R# i2 i% i# ?. v$ A6 h- printf("\nDo you want to change paramemters? (y/N) ");
/ D C9 R* I) ^ - for (;;) {
2 J1 ^, [4 ~& U - c = getchar();6 K0 u r# W/ c' A1 ]* e
- if (c == 'y' || c == 'Y')
- \8 x5 d/ l+ b: J - break;
% c1 S L1 _- { - if (c == 'n' || c == 'N') {
! u4 L3 j' N5 l/ h" \ - printf("\nAborted.\n");
; m. e# s c6 ?2 J- E7 Z - return 1;
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- if (writeparam(mac, stbid) == 0)
- [) b7 F0 V9 e. c- m8 y - printf("Parameters changed.\n");
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+ W' C; N. w4 G- return 0;; G; ^* K4 y+ }$ C( x. D* W# c
- }
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