本帖最后由 0522 于 2012-3-21 23:04 编辑 _4 T2 g" |& X8 m3 }8 w
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修改的代码早有了。到今天不会编译。
; b' m# E& F4 B- a. ~需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( }* V* i4 G1 ^
- #include <malloc.h>
2 J" T% [/ l% r+ P' g0 ] - #include <sys/types.h>% D- g% B; h$ X5 F: b' y! j
- #include <sys/stat.h>
$ [, \8 s: O# `& f3 |: v - #include <sys/ioctl.h>
9 Y, c3 ?! N$ I) p* \2 p - #include <stdio.h>0 a. I5 U1 d- r4 W
- #include <string.h>; D9 w& A7 u2 a2 ~& z( w
* _2 b ^2 ` P+ b0 m2 F5 i- typedef struct {' Z2 p" W+ l( ~4 g" m5 I
- unsigned int e2prom_cmd_sub_addr;
* t. L2 @' `# k1 y6 ~ - unsigned int sub_addr_count;4 E9 r' _$ s9 S. n" h
- unsigned char* e2prom_cmd_data;" b( K& D7 T* [/ J _! E6 U
- unsigned int data_count;; S- x6 d1 }" D4 b) e$ {
- } e2prom_s_cmd;. S0 w% j& F$ x0 h
- " k9 i0 C7 O% `" u
- #define E2PROM_CMD_READ 1
7 f0 w! B9 ]! I# `5 @2 v; I - #define E2PROM_CMD_WRITE 25 l3 I0 A, M, N% U% H6 e8 ]/ ~ i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" l0 Z/ a: D( g' E( e
- 1 J4 E \( C9 n4 U6 ]
- static int readparam(unsigned char *mac, unsigned char *stbid)# F( E" x' i7 _. }
- {
' [5 |2 F! e' ?# m. i+ Z1 M1 M - int fd, ret;; ]) G4 E, y$ s4 t6 Z4 ^
- e2prom_s_cmd arg;
, k# V8 A2 f* S: f8 s - unsigned char buf[0x18];/ m; Z4 s1 r y3 n/ w' G
|! p7 g! L s1 u- fd = open(E2PROM_DEVICE, O_RDWR);
7 \9 `% m8 K6 u - if (fd < 0) {& f- z. {; k. W% H/ b
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ D0 H# R6 ?! s; D0 S( r3 Z - return -1;! K' U0 T1 S8 |- ?; m
- }0 [( [9 L& L- A0 B
- arg.sub_addr_count = 2;
- u0 g! W7 I1 {; m - arg.data_count = 0x18;
' p' S% Y/ T! x. Q* S2 b# a$ R - arg.e2prom_cmd_sub_addr = 0x290;
( k; ^: W7 [+ J/ v* L - arg.e2prom_cmd_data = buf;- a8 ~1 X2 F+ {6 I4 T8 S- A) J0 ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 @" H @/ Z" @5 W3 e) R: T - if (ret != 0) { o/ n' u* I. |! A P! j
- printf("Device %s read error.\n", E2PROM_DEVICE);
c/ ]- J1 _) z" s- a; n - return -1;
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) x" I& h8 N5 X I6 c* w4 j - memcpy(mac, buf, 6);* F1 L& ^6 e* T0 \
- memcpy(stbid, &buf[6], 18); \ b- ]0 e* J2 W& U* F8 K
- stbid[18] = '\0';
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- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
' C" i" Q& q1 Q/ @4 h. K+ L# D - {" h$ B% s0 v+ O, X3 x: n5 k
- int fd, ret;
9 a/ N1 A5 b$ T$ Q& b$ Y+ v8 g - e2prom_s_cmd arg;
" N. C1 p7 [1 a; P7 `4 p& N - unsigned char buf[0x18];: {2 N! O: a& \6 I+ |
' g# K) t1 q" y1 A1 z. c- L v- memcpy(buf, mac, 6);
3 P1 ]: T4 M( E& e - memcpy(&buf[6], stbid, 18);& m# ^, h, Y5 V6 q- {
- fd = open(E2PROM_DEVICE, O_RDWR);4 Q/ h- f. |9 F
- if (fd < 0) {" `: I4 u- ` d6 {
- printf("Device %s open error.\n", E2PROM_DEVICE);
! M V& f w! i - return -1;+ D; x5 K' y$ Y9 f
- }
0 z* r. t* z& W& H( [$ {# }0 k1 n - arg.sub_addr_count = 2;
q \. z U8 P6 J* G - arg.data_count = 0x18;
- r; r! [( j( [. J( H( x" A! I6 d6 _ - arg.e2prom_cmd_sub_addr = 0x290;
$ R' s. ^' m5 N' E/ ` - arg.e2prom_cmd_data = buf;4 {5 o6 e* f- L6 y5 m, Y, B! w% |
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 o' A; _) R M, G" J
- if (ret != 0) {& r! t9 [; c# }2 W# P' [( O5 f
- printf("Device %s write error.\n", E2PROM_DEVICE);( h6 \+ a2 M2 T1 L/ {9 v" ?
- return -1;; A5 \, m9 H2 Z9 l X0 p0 j, h }+ w
- }
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7 W6 G; O/ |4 r, o4 a2 B7 W- return 0;+ i# T5 S1 { }7 H9 L4 o5 j
- }
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- int main()
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- char c;
Q9 v' g+ W7 l* m' B8 J+ d3 z1 E - int i, macs[6];
( C2 r+ V* d' G7 i7 K! G - unsigned char mac[6];8 E$ ~% Z! r' d$ i$ g1 M
- unsigned char stbid[256];# j' u. M& L) q; U6 E( j/ p6 r7 T
- # K7 z7 B2 S6 q' q9 B
- if (readparam(mac, stbid) < 0)/ L$ f4 t6 I6 |; }! }
- return 1;
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- printf("Current parameters: \n");" Q8 j+ _6 i0 [& \) w9 `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( n: o/ |0 r9 E. v( F6 L; f4 C
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); r, k6 |# M0 s8 M( s* c
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 R; z+ @( r% h; h* f$ B! g
- printf("Input MAC error\n");6 f. p8 m3 s6 E* i4 d
- return 1; y9 I+ v" y, ]
- }
& x5 \: k- Y# ^9 F9 ~ - for (i=0; i<6; i++)mac[i] = macs[i];- [ \6 H. d, c# b( m
- printf("\nPlease input new STBID: ");* [( \4 `0 s. K' H% g, K
- scanf("%s", stbid);* k6 }2 T$ v! C$ o3 d. _
- if (strlen(stbid) != 18) {
* V" z, i5 M: m& X$ W6 ^ ?4 Z - printf("Invalid stbid\n");8 _2 y- U) |1 c* j( W. o4 B- X; Y
- return 1;
8 O4 r# i) V _1 ~' n. g& N - }
' K% @( d1 ]9 r4 r2 p i# Y- D - printf("\nNew parameters: \n");
1 C5 U: w l- S2 w2 N1 {- F3 _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 |1 s. h: k2 B& @
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
X2 ^. c* n" N4 E - for (;;) {
6 Y: A7 z" G' S# m- n - c = getchar();) W6 K6 d2 L% ]! ~! u9 O% \* R
- if (c == 'y' || c == 'Y')
8 Z! |9 m# b: z+ r - break;
* u+ Z) ~: I4 L - if (c == 'n' || c == 'N') {
+ D! [% Q* b! Q- Y& d1 r. d2 j - printf("\nAborted.\n");
, b5 S* m# a- [' V# ^9 T7 d - return 1;
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- }# }* z. M5 S$ ?+ q, I X
- if (writeparam(mac, stbid) == 0) . A# z+ j+ x+ t, L$ p" f
- printf("Parameters changed.\n");3 }( k. R7 q" w6 g; X$ N
9 K" E% E7 V/ }& `4 F5 t3 Y- return 0;$ H n% W8 H6 R& k+ i# B C
- }
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