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。0 u$ i y C+ q( q. o. K
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) |8 x% p8 g9 F+ b; y; r
- #include <malloc.h>( }* s$ @9 K9 c
- #include <sys/types.h>
, m0 @% [5 H. e - #include <sys/stat.h> S- F( T: Q, K. L" E; C
- #include <sys/ioctl.h>) H) y& p1 `$ O5 c1 }9 Z7 E
- #include <stdio.h>3 e$ c3 s% L5 A+ h D
- #include <string.h>4 [" S6 N0 E, d+ K9 {0 H
" b' I! H* l* E! l: B- typedef struct {! Q& [, U" a3 b- C$ ?1 a) v. a/ R
- unsigned int e2prom_cmd_sub_addr;4 R s+ R- W9 v. ~8 m* `6 \0 U
- unsigned int sub_addr_count;
" u( N8 i, D y - unsigned char* e2prom_cmd_data;
. ?/ G. E( w2 I0 u4 C - unsigned int data_count;
R$ i! ` J4 { - } e2prom_s_cmd;- S; `2 O0 v4 t, g9 v/ Y* k
- 7 B9 o* W4 ]" J# c6 b4 C! L" \
- #define E2PROM_CMD_READ 1
2 ?, r7 K: G3 }" u - #define E2PROM_CMD_WRITE 2
0 m2 g. S1 C# _) g; ?6 t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 f9 e7 N8 B1 E9 E
8 ^' T, P, Y, U" T! H- static int readparam(unsigned char *mac, unsigned char *stbid)
8 Q; y; ^( g0 j4 x5 r - {
z' }* f6 G( Z) r" g - int fd, ret;6 [; b0 Z7 Y( U5 ]
- e2prom_s_cmd arg;& |( \6 x3 l' y" Q
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
. I1 z1 U' A) j, g6 F4 x0 V! S - if (fd < 0) {
7 i. Q f3 H& }' E/ f - printf("Device %s open error.\n", E2PROM_DEVICE);
$ Q8 }" \: W3 s1 n* ?3 y6 ~7 j( w - return -1;
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- arg.sub_addr_count = 2;- f" ^2 H# `9 l' o4 {9 a
- arg.data_count = 0x18;; c" m6 W& D$ r0 W; |( s
- arg.e2prom_cmd_sub_addr = 0x290;
5 v' T* N1 s! A8 Q4 O7 w - arg.e2prom_cmd_data = buf;7 d* S2 ^) d( O" L' V4 M
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); e$ Q. j `& ]5 G8 t
- if (ret != 0) {
l, g, H/ }& k8 f- t% H - printf("Device %s read error.\n", E2PROM_DEVICE);- |, K9 Q+ v0 \ e) [
- return -1;% G2 U5 v, n8 @2 ]6 S- E5 Y9 C
- }
( U8 W4 H: D- ?! Q- _7 `0 [ - memcpy(mac, buf, 6);% V: j+ ^+ ^4 \5 H( a5 N- M
- memcpy(stbid, &buf[6], 18);
, ?8 X5 w& k4 M - stbid[18] = '\0';
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- return 0;7 S# e4 C% i! g5 w4 z
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5 Q5 U3 T# ^, r8 E4 U4 O- static int writeparam(unsigned char *mac, unsigned char *stbid)
, D$ P( ]1 S; E4 N' K& |" U- N - {
- h0 e9 W+ C7 f# y s; F - int fd, ret;
; S- P7 Z4 Y* k; Q8 Y& T - e2prom_s_cmd arg;
( T) ]3 q' i0 y+ Q: V; \, {6 _ - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);6 V: \3 n* k. a h4 h; b
- memcpy(&buf[6], stbid, 18);
/ V; H* o9 u) x& H - fd = open(E2PROM_DEVICE, O_RDWR);7 W! k% @* g/ T; ~# m; v: Y
- if (fd < 0) {& o, e+ e2 W" r+ _& [. d
- printf("Device %s open error.\n", E2PROM_DEVICE);! R7 b. A* Y a, }8 S8 `
- return -1;8 ^( K: q; |9 p c2 `, m
- }
5 j5 \, a7 h* l8 }, a7 ? - arg.sub_addr_count = 2;
' G0 f$ r: i1 m8 Z+ F - arg.data_count = 0x18;7 N; t, D* @# ]& y8 s0 K
- arg.e2prom_cmd_sub_addr = 0x290;
$ Z3 M0 o! }3 k: B+ l - arg.e2prom_cmd_data = buf;
3 b% N* O7 ~4 I% `/ }2 X( h - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& Y W" b: U/ ^/ j6 n# H
- if (ret != 0) {. g/ X1 U3 S) W$ D, U
- printf("Device %s write error.\n", E2PROM_DEVICE);
% L, g% u' |: {$ K5 k - return -1;
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9 W0 U# x. c0 K; f. X' ~4 p- return 0;
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* X* J! v+ j( p1 \$ y4 I- int main()& Q( \9 V# }. N. P% Z9 K
- {
. J H* d4 @ i+ N - char c;- L; ? ` w8 V- |6 J; q$ ^
- int i, macs[6];
) h' ?* o) L) g - unsigned char mac[6];
" R6 y) Q" i+ s9 @ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)6 G& |. _' Z% E& \9 K( X
- return 1;3 b: k: e0 p3 f) U1 u
- 4 k; N/ Y _- ^- q! [9 Q
- printf("Current parameters: \n");/ }9 W( z1 ~2 h K R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& R$ k; e+ N. c5 B- m
- printf(" STBID: %s\n", stbid);* \1 J! P& i8 T" b
- 9 y) m% K* I: B8 Z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 c1 w' ?1 x$ E, f5 a7 o5 S" L" C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 V0 o/ f$ l$ q4 f5 w" ^ - printf("Input MAC error\n");: |: C3 J7 `; h/ m# u& P: W
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
1 ^- s q+ @. E6 N! `& M - printf("\nPlease input new STBID: ");
, N: n1 ?0 _7 b, e2 z. q. D7 d - scanf("%s", stbid);
" o8 j% Q* D6 v - if (strlen(stbid) != 18) {3 `% O3 u5 y% {3 J
- printf("Invalid stbid\n");5 R& F# K' \! u" q
- return 1;
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- printf("\nNew parameters: \n");
: N( Y0 a1 P2 j8 J! `" g4 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 w$ L D6 z9 Q$ y7 m" k2 [ - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");, L7 r+ e' |: i+ _1 x( G
- for (;;) {
; I; W; c( B2 ~) k - c = getchar();
1 H/ d6 t+ ]% c8 t - if (c == 'y' || c == 'Y')
+ z: G! G8 J' L! M - break;3 f' F4 \5 {; B) k
- if (c == 'n' || c == 'N') {$ q' ?) z H; k& T' w
- printf("\nAborted.\n");* q' i- ]( W8 \8 |* v4 N% `5 v
- return 1;
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- if (writeparam(mac, stbid) == 0) 9 A" X, q8 T" x/ q) f; L
- printf("Parameters changed.\n");
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- return 0;
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