本帖最后由 0522 于 2012-3-21 23:04 编辑 % p7 o# ~; i/ |7 o1 s
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修改的代码早有了。到今天不会编译。4 ?: @4 Y! f+ }# l0 y) N6 P
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- X% U' }* \6 |# c4 c- Q
- #include <malloc.h>
7 a( o5 l* \, y7 b' C - #include <sys/types.h>
3 @8 p! _) h2 k3 Q* H9 o - #include <sys/stat.h>
' F/ s" K6 X0 B/ S - #include <sys/ioctl.h>
) }4 S# Q N* `1 N; X - #include <stdio.h>4 c/ }% ~/ \: I5 g
- #include <string.h>2 J; d/ k) D1 s( ]1 g/ S0 i
. f( X8 W3 V) i: f4 q8 S- typedef struct {2 l% f; y% b# c b/ E. @5 ?
- unsigned int e2prom_cmd_sub_addr;
8 k' g4 h# d! J' i( _' s. \1 m - unsigned int sub_addr_count;7 V; m! q( \# i7 O
- unsigned char* e2prom_cmd_data;/ H5 f0 r1 u) s% E5 B
- unsigned int data_count;$ j' @! i6 o* T/ k7 u; P
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
3 t" }: b) D; | i1 I% d - #define E2PROM_CMD_WRITE 27 h ^/ h) [! Q! Q7 |. I; Z z7 F- M! b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 n" \6 n. z G1 F6 p
- 3 ~6 H" K; ]; y4 B! i
- static int readparam(unsigned char *mac, unsigned char *stbid)" A7 R' L# ~2 _ V1 U4 T) i
- {
2 C5 N- K6 \/ s# L0 u - int fd, ret;
0 \, h) p* D8 n& C2 _$ V- q - e2prom_s_cmd arg;! S+ D4 T; ^4 R6 P$ S6 `
- unsigned char buf[0x18];
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: g3 l, d) |- z6 ~7 A# A- fd = open(E2PROM_DEVICE, O_RDWR);9 E. ~# f9 C' _- P+ X3 o3 e
- if (fd < 0) {6 R8 d- ?3 T% s: V+ C9 K# W1 l
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 G" f9 j4 {1 \* f& F0 X) C5 _ - return -1;
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- arg.sub_addr_count = 2;5 H1 H" M/ H5 I* B5 _, p
- arg.data_count = 0x18;
. Y; I4 Z9 U* i9 ~+ { - arg.e2prom_cmd_sub_addr = 0x290;
- X$ j+ f( J) g5 s9 t+ i6 G) U `7 @ - arg.e2prom_cmd_data = buf; L3 z5 J) a- p+ L4 x. L1 L( f
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
8 P4 [, p* _5 q% ` V - if (ret != 0) {
! R. Q# n; K) N/ A B - printf("Device %s read error.\n", E2PROM_DEVICE);( y! H$ _8 S- y, @3 g
- return -1;" U3 s& \" y. ~' `, e( @
- }
6 H! v5 V4 V$ X- E- \ D( R - memcpy(mac, buf, 6);
9 o/ }5 f4 l0 D, D5 S - memcpy(stbid, &buf[6], 18);
& @0 _1 F$ i/ \ - stbid[18] = '\0';6 i1 _2 u5 M5 C) R/ i* V% S
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- return 0;, ]) j8 ^# w( ]8 y
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 ~# m8 p+ H0 J - {
+ f8 }% t5 e( A# T& `5 {9 {( T - int fd, ret;. e9 B5 P4 F' }/ c8 T
- e2prom_s_cmd arg;; z. x; B: j+ K5 e! R) q+ x, D
- unsigned char buf[0x18];
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9 ], W3 h% t# v- M8 b2 {- memcpy(buf, mac, 6);
) X2 b0 R+ G6 g+ F! p4 s - memcpy(&buf[6], stbid, 18);. B* Q+ L$ e5 R5 b
- fd = open(E2PROM_DEVICE, O_RDWR);
# u9 p9 J O$ d* K8 s; S - if (fd < 0) {
3 v% S( }& I% L, t2 x - printf("Device %s open error.\n", E2PROM_DEVICE);8 I. ^9 H/ j N3 F8 r+ c9 ?* E9 k
- return -1;7 a6 o7 d$ m: K y/ G f( I% z
- }
& W7 t6 v& U! R8 d$ Y - arg.sub_addr_count = 2;
2 k# |/ K% c, ^' l9 b7 N - arg.data_count = 0x18;
/ a$ d" R5 a2 i7 G - arg.e2prom_cmd_sub_addr = 0x290;- Y2 h- Z$ B0 d0 ], P z: i
- arg.e2prom_cmd_data = buf;5 q' f, [5 F2 U9 b8 P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 }2 l, r* t' C5 W w: |
- if (ret != 0) {
$ I4 S9 a$ m' d5 L% D/ m& S# X - printf("Device %s write error.\n", E2PROM_DEVICE);
7 t5 o1 v" @& k8 u - return -1;
/ g* {2 X6 j/ |5 a7 _1 z, [; { - }
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- u) A% y+ D! _9 }: W8 z; W- return 0;, q8 v4 s5 p: W/ [9 y2 _
- }
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; b9 P$ f. u/ i8 U; n- int main()
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- char c;5 x1 X1 e1 f/ S. f7 V% n; C( O m
- int i, macs[6];5 n1 R$ n6 E7 X3 J! f# N% f7 q
- unsigned char mac[6];
+ a" x. k9 c# j% c7 a$ ]7 @! w# g - unsigned char stbid[256];$ K( a, L! h) z6 {: |7 h3 ^" Q% D
- 3 e" l! T/ J/ L s; ~
- if (readparam(mac, stbid) < 0)
" G" l3 N' ?0 J5 N) _9 q2 Y - return 1;, {# R/ n2 ^( F7 P3 \1 k
0 t; w5 C% N: ~/ b* ^$ ]" a- printf("Current parameters: \n");
) S. e; M; K5 V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, f1 w" U0 y. p. W - printf(" STBID: %s\n", stbid);
+ L. I+ X/ `8 j) H. T - 0 i% y, @9 P5 ?# ^/ `
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ {4 @9 W2 H i b. R* @7 ?( Z/ S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 G3 B2 @9 l8 Z# x# Z7 | - printf("Input MAC error\n");; z+ t/ I% H4 I0 _2 _
- return 1;
) f6 S$ s1 n* Y+ n' o4 w" W5 C - }# N" r4 d3 W& e3 f$ P
- for (i=0; i<6; i++)mac[i] = macs[i];
6 V' W% Q( J% k2 M1 Y1 Q - printf("\nPlease input new STBID: ");; s( \* q7 T$ W
- scanf("%s", stbid);
4 e) S5 b J9 j, T: m* } - if (strlen(stbid) != 18) {. J5 h% ~% j8 U! l! f) X$ I m) z
- printf("Invalid stbid\n");
' l/ H$ N+ u5 t2 n& D4 k - return 1;
) H8 C W7 M% F4 m' ?5 M - }
6 O, W8 R( @& Y6 ~% x( F - printf("\nNew parameters: \n");+ Y( q6 \' b. M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- R5 ?" d6 [* R% G& W - printf(" STBID: %s\n", stbid);0 l) b# K7 F3 j
, T1 Q+ F* H! h- printf("\nDo you want to change paramemters? (y/N) ");- s1 `& z* K$ S* X) x7 U: k
- for (;;) {
J) [1 ^$ l' ^5 y - c = getchar();
7 x" Q5 y+ m7 ~8 O - if (c == 'y' || c == 'Y'). Z8 h# h* l: @1 F. ~) L- n+ ^
- break;
6 v8 n: p! g9 d, ~ S - if (c == 'n' || c == 'N') {) F. `6 s8 ]7 f8 W; A7 d# ?
- printf("\nAborted.\n");1 _3 k4 Y7 w* O, b3 X1 S- K' g
- return 1;
$ Y+ H9 V$ o$ j - }
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- if (writeparam(mac, stbid) == 0)
. X8 }* @, w/ K9 r - printf("Parameters changed.\n");
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4 f1 r1 i1 p% P( s- return 0;2 ]( X% E' j4 O2 E
- }
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