本帖最后由 0522 于 2012-3-21 23:04 编辑 - j3 Q0 N* X# b9 _1 J6 R
& u7 ^& w) C& C0 j! N9 E8 y5 ~. X修改的代码早有了。到今天不会编译。7 k- e- A4 K0 z2 Z1 a
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># M5 v4 X; f* {; i6 j0 K
- #include <malloc.h>) I9 F2 A7 i0 B$ ^; ~! A
- #include <sys/types.h>1 P; X2 G# o* R& Y! \. D$ F
- #include <sys/stat.h># P w9 W' _' T5 ~, m
- #include <sys/ioctl.h>) N/ l _- W+ X
- #include <stdio.h>/ x- u. t, ?8 n# K
- #include <string.h>
- F! i, E' A6 N, I# @
5 w0 u; S# N0 X+ |2 T8 e- y- K. r K- typedef struct {4 m! f5 ^/ s8 s$ M6 k# s
- unsigned int e2prom_cmd_sub_addr;
- \ |$ f: Q1 B; J" g! k - unsigned int sub_addr_count;
3 e$ V: ?1 ~6 }# ^ - unsigned char* e2prom_cmd_data;
/ o" }0 j' u: w1 t2 y# Y- V - unsigned int data_count;
9 F4 l6 I+ P' B) `- N4 _4 E1 ?! z - } e2prom_s_cmd;: h/ X& I) a! C1 P% ?
9 S% H0 I" u7 h- L7 M) `- I! a6 s) x- #define E2PROM_CMD_READ 18 q$ }5 R$ u, M% k" v
- #define E2PROM_CMD_WRITE 2& E g. U* P4 X2 S. l: d. R
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; F: d+ x6 i1 e0 d F: n
- 1 G9 H) W3 ]- H) Q- U
- static int readparam(unsigned char *mac, unsigned char *stbid)0 O- Y% O: Q; @" g+ Z, T5 x
- {
2 y- G" O! W: p7 X - int fd, ret;3 \% A: ]- H9 \5 V2 u4 l
- e2prom_s_cmd arg;! J( E% n: h& h5 w/ e# d
- unsigned char buf[0x18];$ B6 s, C. O2 X4 G6 w
8 P1 J& h# r6 ?5 h- fd = open(E2PROM_DEVICE, O_RDWR);1 E# Z% Y. Z- Y" c
- if (fd < 0) {
! M/ |' N& O, u: K" D - printf("Device %s open error.\n", E2PROM_DEVICE);
' C- S- m& g* e8 B2 l4 | - return -1;) L" V; J5 f1 W$ o$ A7 U
- }
- G% W) e# P, W- e* \4 W - arg.sub_addr_count = 2;1 O4 W7 r4 g" L' s
- arg.data_count = 0x18;
9 T# B8 i5 I3 `8 H; O, `; E - arg.e2prom_cmd_sub_addr = 0x290;4 J* l- }9 E' D
- arg.e2prom_cmd_data = buf;/ {8 a- x6 l, Y6 K1 A
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ \( }* D* A8 g( K; w. F8 M
- if (ret != 0) {
2 D6 v+ l$ v) D* c% } - printf("Device %s read error.\n", E2PROM_DEVICE);
0 _' z# I+ M, I! z: x - return -1;
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- memcpy(mac, buf, 6);
4 L) P( j1 J" R* b# B, N' ^ - memcpy(stbid, &buf[6], 18);* b3 L! Y5 E) V. k9 z! S; b
- stbid[18] = '\0';
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- return 0;6 ~' m- r) Q# G' v% D2 d
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)$ Q: l. Y7 u& r' H8 l; [
- {: R8 b! v% ?2 z
- int fd, ret;' }- h! D% K( r8 u
- e2prom_s_cmd arg;0 r+ d' z. b+ `, w% T" G- Y% z
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);* i, v: h3 e2 U* ~0 z% j0 c
- memcpy(&buf[6], stbid, 18);% i3 S- d7 e( M2 i7 A
- fd = open(E2PROM_DEVICE, O_RDWR); h# f6 O2 l2 D# m& P3 t+ y
- if (fd < 0) {
% \# z6 [& Q+ a; Z# \( b - printf("Device %s open error.\n", E2PROM_DEVICE);
. \0 C W b7 X4 l: X7 L% n - return -1;
8 ^/ o m9 s8 G: v1 Z - }
. L+ ?' M' I# x$ e3 U! J1 G - arg.sub_addr_count = 2;3 Y4 x9 j) r5 x" u" X2 H8 I
- arg.data_count = 0x18;9 m) c, o6 O" y) j4 j/ j
- arg.e2prom_cmd_sub_addr = 0x290;
1 _( V. v- p6 r6 L2 A% s - arg.e2prom_cmd_data = buf;
& [& O9 m* Q# U8 ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ Q0 z! V% m/ b* W) r - if (ret != 0) {
$ ?- O' W3 m _: i7 Y - printf("Device %s write error.\n", E2PROM_DEVICE);
( F1 _8 z4 Z! c1 W - return -1;% b6 `* N2 T% L8 W0 g" C9 e
- }/ o8 B" f! ~5 y( m4 C
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- return 0;, V5 z N# v$ K! p# U: i/ R6 V% h
- }4 ?- n$ m i/ b* X6 \ b
3 G" O# n* P3 `/ O9 S- int main()
) n( {8 n6 j5 o; I( a( M. G( [+ A - {
6 x6 ]+ R3 y7 C. W4 w; `# r - char c;; }7 Y3 R0 I7 W- k! f. l! {
- int i, macs[6];8 T E3 Q" R1 U
- unsigned char mac[6];
; \7 ?4 q; k: o; y - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
W6 j# m% m3 Y2 h, A) W, t( n5 q) b8 V - return 1;) {- A8 |* |# ]& ]& c
- 8 o# f% L- N' C, z2 ~
- printf("Current parameters: \n");: \9 J9 J0 p: P: ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 n# W" G4 f8 D
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( A$ A0 W* B5 @4 J7 B6 w) x
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {- R4 V; P7 O4 s8 d
- printf("Input MAC error\n");/ K+ P% A% F9 Q- W3 F" G
- return 1;9 `1 e+ b- W# }2 N# U$ r
- }
& Y: P) z y, n - for (i=0; i<6; i++)mac[i] = macs[i];
0 ?( O9 W& ~) E0 t. \ - printf("\nPlease input new STBID: ");! X! A6 F$ o5 D* B
- scanf("%s", stbid);0 K( ]! E h# e4 {$ j( |
- if (strlen(stbid) != 18) {) K* }, U# I3 Q7 J
- printf("Invalid stbid\n");) y: O7 e3 O6 z+ x# x. b6 b
- return 1;. \: T5 _. S; D
- }* J' o/ @, V2 f& j& [) \& R
- printf("\nNew parameters: \n");
: Y5 n4 c. A/ [, u% z1 m' b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, ^) u8 v* I2 G8 }
- printf(" STBID: %s\n", stbid);5 D/ X; Z2 t# X. p# [" s6 f
0 o* N- b( x6 x9 d6 q" I- f! ^5 h+ {- printf("\nDo you want to change paramemters? (y/N) ");; w$ c/ E+ C9 K" W/ U
- for (;;) {7 q \1 K ?: q/ z# F
- c = getchar();
4 y8 d- c y( o9 R4 b, n/ q - if (c == 'y' || c == 'Y')# E7 N9 m7 [3 e: a9 v( O( e
- break;
$ c ~8 i: M) J$ [$ y! ]5 u - if (c == 'n' || c == 'N') {
6 g( O; O# x X; E {; a$ ^ - printf("\nAborted.\n");) A1 P; u: g% t+ v" Z; i- G$ X# x
- return 1;
: P$ Q9 m" Z9 C: Y6 B# Q - }
' S6 X( q" b- V, A. ^/ | - }
2 D- H+ s! ` C: n - if (writeparam(mac, stbid) == 0) + W3 @& R. D! _: O1 x% G
- printf("Parameters changed.\n");) `6 s A; U3 @' A
- ) K4 ]4 _3 V+ ?+ c0 d
- return 0;
# W$ `9 G, l( K1 Y! T9 G1 w7 Y - }
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