本帖最后由 0522 于 2012-3-21 23:04 编辑
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) e! g0 Y7 S6 h7 U5 Z修改的代码早有了。到今天不会编译。* S4 m9 \) q! a4 Z9 ]: o% B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ l2 [+ _# L! I% C - #include <malloc.h>
& D: O, f: m1 v& [$ `. M - #include <sys/types.h>
; o( y+ O& L9 ]+ B# l, r5 q2 y - #include <sys/stat.h>) g) u$ O c$ j( |; i9 C
- #include <sys/ioctl.h>. | Z' Q D& T1 W3 Q7 G. i
- #include <stdio.h>
3 w: l5 b' C; ^- t/ u) z+ F2 U: M - #include <string.h>
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. d4 X7 O( d- `$ V- k9 y- typedef struct {
' e. y( h/ ?' w; X4 V0 z) L - unsigned int e2prom_cmd_sub_addr;6 A7 c9 Z$ ?, R# b& B3 Z
- unsigned int sub_addr_count;
! T' `4 c# P5 V! F7 ?: W - unsigned char* e2prom_cmd_data;
7 L/ A. I# D3 q0 N1 o; j+ c& l - unsigned int data_count;
+ |# f/ w1 y2 \( Y2 Z - } e2prom_s_cmd;' C) K! b4 X7 Z
& D9 Y! i0 Z! p& ~; e- #define E2PROM_CMD_READ 15 l3 ]" G: x4 R$ V1 b* F% p
- #define E2PROM_CMD_WRITE 2
5 p" a [, e6 k! G - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;/ n8 J& D1 I1 ~4 O; p, Z! p5 v
- e2prom_s_cmd arg;: |6 ^! I: @! o1 ?. ] i4 B
- unsigned char buf[0x18];5 k* L8 g8 V2 [' w8 r% C6 q
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 N% T3 G" X4 F! U! }4 F2 e - if (fd < 0) {% f# X5 N9 q' X7 B9 R+ |
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 R( E5 C3 S+ R - return -1;) s% a5 r! W/ e6 J
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- arg.sub_addr_count = 2;6 f! l' }! K! F% M- H& ~. L
- arg.data_count = 0x18;8 U9 I. }0 X" L, H3 `2 O
- arg.e2prom_cmd_sub_addr = 0x290;) L8 w8 C9 ^ k
- arg.e2prom_cmd_data = buf;
, l+ w% l# M: Q7 i - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( s1 s- o, U" P) J/ U0 [1 M* r - if (ret != 0) {
. V. G- p4 @$ \* p( l - printf("Device %s read error.\n", E2PROM_DEVICE);
, M$ Z5 x" `; R% X! Q - return -1;
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- memcpy(mac, buf, 6);
" U# ~8 M. j! T( }9 e* ?) ~ - memcpy(stbid, &buf[6], 18);
' a! E: B V# c. U - stbid[18] = '\0';
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- return 0;; {. v- k) H8 ^9 ~. j
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 W5 H) Y1 e8 [. V) p @! E3 O7 n - {
# b4 D5 X$ V2 f - int fd, ret;
4 l% v2 E/ C! z4 z5 P$ Q - e2prom_s_cmd arg;) n. v. c3 s2 g" o, \4 M
- unsigned char buf[0x18];, ~0 z3 V/ h+ y* s
, s; K6 b' k1 I5 S- memcpy(buf, mac, 6);% R7 Z9 m. L7 M6 a& g f( {
- memcpy(&buf[6], stbid, 18);2 A( _& i: z/ k, [0 _
- fd = open(E2PROM_DEVICE, O_RDWR);
. U- l# T+ t6 L6 H4 w - if (fd < 0) {
5 B; ~: j# Q+ k7 p - printf("Device %s open error.\n", E2PROM_DEVICE);
* ^' g4 p# H6 d) o( B( [+ t. x, O% @ - return -1;; P9 F) E" W, I& v r: i
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- arg.sub_addr_count = 2;" ^" {( R4 @. o+ J4 i6 c$ k+ X8 t8 w
- arg.data_count = 0x18;
. u) e5 Y+ g) m$ |0 S$ V - arg.e2prom_cmd_sub_addr = 0x290;
% A! ]# {1 {) \2 [7 e% P( h" T - arg.e2prom_cmd_data = buf;! U5 ?' ~, ^, N' ^6 ]- L: Y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( j) W$ M; \( P% P1 \0 I
- if (ret != 0) {0 {) {7 u9 ^% i0 A6 m7 r5 F O5 S0 z
- printf("Device %s write error.\n", E2PROM_DEVICE);$ M. R4 ^* m, s
- return -1;8 B; v. _( o: w( d. s
- }
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- return 0;+ ?" G" @2 ^+ r1 G0 D/ F+ z
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2 Y) u8 Q, N& o5 ^7 F- int main()$ _: [3 S6 T( ?- s! j
- {
% p% k" F! i- A# m0 N - char c;
0 |3 [5 b5 f t/ Y - int i, macs[6];
$ v% o+ d2 R1 L* a' l - unsigned char mac[6];
) i0 z& K2 b+ z, ?' K: }9 v - unsigned char stbid[256];
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6 C- y R! g* q3 ]5 D- n2 i: ]- if (readparam(mac, stbid) < 0)% _- a1 r; E" I9 i4 P
- return 1;
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) T6 n3 a( }- r. \# Q- W6 G: w- printf("Current parameters: \n");0 H7 ~" v2 ^0 m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% t; A* ]" \& a. V3 N$ m
- printf(" STBID: %s\n", stbid);- D; S% g7 j+ U- ]0 u2 n
- 6 w( b" o% i1 D% f
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- n2 k, u/ x# p( j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& f, W2 x% s( o - printf("Input MAC error\n");2 t3 [ W6 h" r5 a d% C0 S, D4 N! J
- return 1;: q" c/ @( w. J W$ Q
- }3 l3 d5 h! z5 ^+ M/ [# \4 ?( i
- for (i=0; i<6; i++)mac[i] = macs[i];
6 r. X; U0 T6 X5 b h' j) j6 h& X - printf("\nPlease input new STBID: ");
4 \4 m6 r3 Y' _+ k - scanf("%s", stbid);8 M E- _" O# u# u" B5 |2 ^2 F7 P
- if (strlen(stbid) != 18) {" u9 R, k% Y; a- K
- printf("Invalid stbid\n");" ]; B1 H N, b& l5 j! U4 H( L
- return 1;
9 n/ x+ Z7 u* k, k+ u) j$ k - }
C, P* {: {4 F+ J - printf("\nNew parameters: \n");
( A4 D; ?3 [7 p* v' h' X/ C - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" s& a" X0 M4 D& D( ~
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) "); x% u4 P4 G6 U L' I1 ?
- for (;;) {
1 q, D& B+ O8 N3 p3 ?& m - c = getchar();
/ N) y# t0 J8 [7 J8 H$ V - if (c == 'y' || c == 'Y')
" l6 L1 A; f- M2 D: F, A; }& h - break;* Q7 ? K8 g/ `6 y. `6 q. ]* {
- if (c == 'n' || c == 'N') {6 ~5 [9 s! V- C% l8 a9 U
- printf("\nAborted.\n");
) z+ V# ~9 m+ a7 Y! C - return 1;
7 V& f: N1 g4 F) q - }
& W9 w7 o* {4 k$ }' P+ U( S - }
9 x- k( }6 `# w7 R; u- T. g0 o; l - if (writeparam(mac, stbid) == 0) , n" K; d/ A; d/ u2 |
- printf("Parameters changed.\n");1 C5 U7 q# U u t h' z
" S+ ?: ~" T7 N- @3 G6 r' d5 x% L4 ]2 n- return 0;: N( L' P+ `- z2 O8 b
- }
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