本帖最后由 0522 于 2012-3-21 23:04 编辑 0 O: Q1 Q7 b6 D* ]9 R& P9 x
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修改的代码早有了。到今天不会编译。
* k! O8 [6 ?+ j. c/ j/ F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 K, v$ F. M" c' e* G2 ]) q2 t1 Y* u F - #include <malloc.h>
/ N) ?: o. \ L! n( }% {' Z( Y( b" n) H - #include <sys/types.h>
2 H2 K1 f' u7 i5 m - #include <sys/stat.h>
, D$ s7 I* c1 z - #include <sys/ioctl.h># ~4 a2 f7 L% u- M a9 T
- #include <stdio.h>) u) c4 ^5 n4 k' t' Q
- #include <string.h>
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- typedef struct {4 f! h9 Q$ G9 N7 X4 C6 \
- unsigned int e2prom_cmd_sub_addr;7 p6 y/ u6 r+ ~( q3 J/ M/ a# `1 P
- unsigned int sub_addr_count;
% F0 L2 k( w3 H' N$ ] - unsigned char* e2prom_cmd_data;
+ m5 j" ?) u; c# T+ K6 a1 o& x - unsigned int data_count;
! N) H# W7 w9 e; I+ o - } e2prom_s_cmd;" G( |* Q% w! a+ e
$ ~9 g: {, p% }( n+ @- #define E2PROM_CMD_READ 1! i% C: r* m7 y
- #define E2PROM_CMD_WRITE 29 e2 g. A/ H1 u* E# J3 b9 U
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% ^8 C8 s% ?$ }
- 6 T9 O- E3 ]3 \) l
- static int readparam(unsigned char *mac, unsigned char *stbid)
! C+ _9 b3 g \ - {
! N2 o2 R% O- K - int fd, ret;8 ^4 w) f5 V: R8 \6 J/ y
- e2prom_s_cmd arg;
3 \" j# f" V4 ^( @) L/ q; D; ` W+ N; i - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR); d: g. e$ K& N9 Y3 n
- if (fd < 0) {. l- h5 _* L+ J, E3 n
- printf("Device %s open error.\n", E2PROM_DEVICE);8 _ x5 x9 \7 l6 |8 R
- return -1;
0 Q7 b \" K) ]$ A - }
0 k/ D9 r% p: p1 j P/ H, R - arg.sub_addr_count = 2;
( e2 Z# W) n9 M8 ~ h$ ^ - arg.data_count = 0x18;
9 }! d& ]$ ?) `1 B* C/ j$ i! ]3 D - arg.e2prom_cmd_sub_addr = 0x290;
& [8 Q- Y6 o$ K. V4 @% q - arg.e2prom_cmd_data = buf;
" d7 m& q0 {; m; P# y4 I; o - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* N/ {- [. h, w% H L/ K! L
- if (ret != 0) {/ |/ |8 G6 y% q' Z" H6 Z+ {* c% E
- printf("Device %s read error.\n", E2PROM_DEVICE);
2 T; d4 e/ z0 @! N# `# }' e - return -1;
/ G1 e: z+ ^/ p$ Q( F* ?0 b - }: f& P5 N! g5 I* Y& E+ U5 U
- memcpy(mac, buf, 6);
' }5 B4 J+ j9 m: I& Q - memcpy(stbid, &buf[6], 18);7 v: {7 M! o) I( [
- stbid[18] = '\0';
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2 `& I c9 ~6 `/ A0 s5 S- return 0;
) V1 k" Y2 @3 `( `8 g6 U+ ?" S - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)0 h7 n4 w4 E+ S* p% E \! k$ Q
- {# Y# b0 d# C; u# t2 L( e+ y! l* Y
- int fd, ret;
' S8 v* b( ~$ `' b' t4 d7 G - e2prom_s_cmd arg;
0 Y1 E; T3 ~1 T: H/ v6 o - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);) u+ P, g* X. Y+ K: g: T
- memcpy(&buf[6], stbid, 18);7 R. G8 y' ?# v) N0 F& U u
- fd = open(E2PROM_DEVICE, O_RDWR);
! Z7 _9 X( k6 Q" o c - if (fd < 0) {3 n7 \$ p+ _ f
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 b5 w& r X: e7 k8 q - return -1;8 R6 b, X$ D! x. o3 s/ |) D7 c$ G/ H
- }; G' V' R2 z0 a$ g/ I& Q/ `* h
- arg.sub_addr_count = 2;/ @; S* X+ n; w" q# [: X3 [- O
- arg.data_count = 0x18;* s* [2 l5 M( h; k
- arg.e2prom_cmd_sub_addr = 0x290;
2 a, r" w$ \& s6 R - arg.e2prom_cmd_data = buf;
* C4 F+ S) G1 p, b8 m - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 B- B7 A: d+ D& P5 J3 h
- if (ret != 0) {- i5 e7 ~0 S$ z& E+ {2 }+ N
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 K; J. N8 n0 X" A1 ?: X) G- D4 V - return -1;- q1 ~9 e* v" B1 {9 C
- }% ?' ]# ~- L. i0 ?" I' Q9 V7 l
- 2 ` I L: ?' F! e4 {5 F
- return 0;/ X7 K3 c0 K1 W2 T; Z4 J' Q$ A7 |4 C
- }
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- int main()2 H# K* V# l3 }2 s: q2 v
- {
/ I$ t8 n8 U/ ?- e) G' Q - char c;. N! {) I! W' {! `' A B6 Q
- int i, macs[6];, I0 f) m5 {( p. h7 G1 ]# s
- unsigned char mac[6];
- U1 D' P2 n3 ~2 a) Y5 _' | r! z - unsigned char stbid[256];
# n; t; x: Y: @( k; j4 C4 p6 \ - 4 H8 j& _! j2 m0 z8 Y
- if (readparam(mac, stbid) < 0)
2 ]) p3 X9 G" M" \- S - return 1;
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n3 V# |; o9 N* |& m9 v( Z( o5 g- printf("Current parameters: \n");
: ~. T4 v( J2 g0 d# l/ C2 U. x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; y, g( x9 s7 ~6 v4 t
- printf(" STBID: %s\n", stbid);
; ~& d) M, y! f -
% t2 c$ x F- e* c5 y) @* d8 _9 |7 m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 A3 [& e f! j* B" S% |& r+ M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% |" c- r& ^% [$ ?) v" e0 s: A - printf("Input MAC error\n");4 |# ]4 u/ m( f I- T' U5 x
- return 1;
/ ~6 a* G$ m' N0 ^4 B7 p - }
- o1 o$ I# U2 u - for (i=0; i<6; i++)mac[i] = macs[i];' E: `) e- S ~* R5 P
- printf("\nPlease input new STBID: ");' K2 J/ j1 m1 t
- scanf("%s", stbid);
8 i: a: |7 S7 m - if (strlen(stbid) != 18) {- i \3 F( C. I: b' [
- printf("Invalid stbid\n");& n% ]0 y3 a: |/ k
- return 1;# p) U L+ T8 i# v4 ~
- }
2 a4 ? U( a1 s - printf("\nNew parameters: \n");6 }4 c! E! O, G J5 w. F
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; v+ }" `) _ X
- printf(" STBID: %s\n", stbid);1 i2 ]# B/ e5 N( U9 g2 S b
- 7 ]# x$ R% q" ]+ t; O# Y
- printf("\nDo you want to change paramemters? (y/N) ");
( K7 s) X; \' Q( i* C2 B* V7 }4 G9 P - for (;;) {/ O g% f/ u" L- y3 `
- c = getchar();2 U- u6 ?: T7 }; K2 H" b
- if (c == 'y' || c == 'Y')
& `) T) Z2 F$ J C* T' ?) l+ H; x - break;
4 }2 ?" h; l% e5 O - if (c == 'n' || c == 'N') {
0 p" t7 I& U& W7 A; u. J - printf("\nAborted.\n");% I% l |# k9 }& p- m) o( e! A
- return 1; v' p. [+ F# X
- }
( V3 g9 t4 ~9 ], O: @# e - }
8 ~! D$ f- @" f# [/ L - if (writeparam(mac, stbid) == 0) ) U3 |% T7 F0 T& p
- printf("Parameters changed.\n");! X' U9 Q$ S7 n
- 3 H. `0 p+ e0 A5 c, k$ D6 S) Q( z
- return 0;
3 X# {) T$ H) J: _5 t - }
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