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。$ Z. u* M5 j& ?! K. [
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ y& Y' h: D" O6 I# O7 |7 S
- #include <malloc.h>% Z0 k$ \' Z j' B. ]$ I
- #include <sys/types.h>
1 l3 r* \9 q! i( f5 }9 o - #include <sys/stat.h>4 h. P3 N" B$ O
- #include <sys/ioctl.h>% x& m: f2 T- f3 J' @" I. j4 y
- #include <stdio.h>6 \1 e( J) x2 X' |- C4 O, V
- #include <string.h>
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- typedef struct {
) F9 L; h U! R, { - unsigned int e2prom_cmd_sub_addr;3 j% N/ L7 ~ Y8 m5 ^
- unsigned int sub_addr_count;. w: G/ g$ C' [1 m7 C
- unsigned char* e2prom_cmd_data;
6 n# k. ^9 u7 b8 S - unsigned int data_count;8 d- k2 r6 F; S: Z. h* D/ I
- } e2prom_s_cmd;1 M, M2 h7 r3 O& R. O
0 G* Y O& V9 u2 w0 I& C- [% v' t- #define E2PROM_CMD_READ 18 D" c& K) l5 b6 I! _7 [* p4 S
- #define E2PROM_CMD_WRITE 2
) m/ e4 m' t* u; O: O+ p) O - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 j5 ]8 C; u; Z5 x
- # m _! ?- _% G# g1 e
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;" p% t$ O3 H( R, Y) K
- e2prom_s_cmd arg;
1 |0 t6 \$ ]9 G& `+ C - unsigned char buf[0x18];
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2 ]$ U3 M& V s( N" I- fd = open(E2PROM_DEVICE, O_RDWR);9 ?" M% K2 Z; O3 `/ A2 o2 M
- if (fd < 0) {1 a. _. `, A% |+ J; S- h, Y0 x
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 X9 s, J F4 m# e2 ^5 P, v - return -1;) @# f3 f6 |2 W0 o& G0 x3 |
- }
) U5 b: [2 g5 ?8 b - arg.sub_addr_count = 2;
( e* x# `' e/ M2 n) R - arg.data_count = 0x18;
# n; Y! |9 ~' e9 L# Q4 L - arg.e2prom_cmd_sub_addr = 0x290;3 D" u1 \& z/ c
- arg.e2prom_cmd_data = buf;3 G/ h/ a: \( ]( x/ r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ y: V* M! o8 M2 n2 q8 S* b6 I) @ - if (ret != 0) {
v2 a( C. b( v' y3 q - printf("Device %s read error.\n", E2PROM_DEVICE);
# j" O) A$ H) x4 `+ i! E( x4 d - return -1;& t; \4 q$ L* `- T; D" V5 |
- }- y7 A5 }+ l4 I# e
- memcpy(mac, buf, 6);
7 {0 J* a% K1 b1 `, J) U - memcpy(stbid, &buf[6], 18);3 F$ j5 a0 c3 z# O# |
- stbid[18] = '\0';
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n! |% g# { R. J& L `7 |: } I- return 0;; X& V/ V4 I1 o* {, b4 ^4 X
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
& j0 t! `# J3 e$ ~1 v% k - {
* J" d6 n2 S# t+ @8 e8 a - int fd, ret;& y" M) u7 h7 v' X% p2 R" l' @
- e2prom_s_cmd arg;# H6 O0 g) Y, t' ^9 F; X' o
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);* x& N# g# }& s* q/ }7 p( P
- memcpy(&buf[6], stbid, 18);
+ n; x% n' N3 V: e. j& A - fd = open(E2PROM_DEVICE, O_RDWR);: `/ `" _7 ]3 E0 k4 j! o
- if (fd < 0) {: w$ C7 g9 K, N, l4 j* |
- printf("Device %s open error.\n", E2PROM_DEVICE);: Y: g# F; @$ i8 [2 x4 l- h1 U
- return -1;
- \+ @2 O* f7 M2 w- P - }
' ]6 f, i: I/ U) E! B - arg.sub_addr_count = 2;/ g* Q# o- |: I( A7 U& {9 r
- arg.data_count = 0x18;$ p2 d+ k( O% Q& z2 D
- arg.e2prom_cmd_sub_addr = 0x290;2 M. c W( c, l! g% ]) P
- arg.e2prom_cmd_data = buf;
8 H0 f" x' H7 O1 t7 j5 ?+ r - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ @; ^" m) h; f. U! A, {
- if (ret != 0) {2 Q# y* l. e N! v: X2 S5 |
- printf("Device %s write error.\n", E2PROM_DEVICE);/ e$ C! z" I, _ H8 @
- return -1; G; s5 f; D8 s2 p/ I; Y r
- }
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- return 0;
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- int main()9 Y v& m& y8 B2 M2 N$ _
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- char c;2 A- S5 E2 B' L; x
- int i, macs[6];$ h7 u5 A4 ?& p
- unsigned char mac[6];
) O) c+ Q N, m7 r* J' m! R - unsigned char stbid[256];5 l4 @) N& @' Y6 X4 J' ~
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- if (readparam(mac, stbid) < 0)
; y# {/ z h7 A! h6 E' u. h1 m: e - return 1;$ B2 S7 l: V0 O3 g
( y3 \& t5 m: \+ w% b# W- printf("Current parameters: \n");5 ^5 ~' l+ K: P5 x6 [& N, P" c, W' W
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ z1 b2 o u3 ?) C4 ]) y5 [ - printf(" STBID: %s\n", stbid);( E" s( }2 a+ U/ X* x1 b, h
-
/ ]+ U: S8 Y6 n j - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
" N7 O0 z# y7 B2 q. @1 [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" v) @+ q( H: I& }3 _
- printf("Input MAC error\n");/ _! k8 s- u: H3 z" z
- return 1;
8 `3 L$ W. H. C( q: b - }
4 B8 i/ g: w% P& A* \5 `& u - for (i=0; i<6; i++)mac[i] = macs[i];4 j3 k5 _) m! w1 B$ O8 n
- printf("\nPlease input new STBID: ");+ C; H$ m3 V% i
- scanf("%s", stbid); I" ^$ N. q0 b( `# W: d
- if (strlen(stbid) != 18) {+ R S; M) k: o1 {
- printf("Invalid stbid\n");
) d8 v3 ~# r$ a9 y9 K1 ^ - return 1;
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- printf("\nNew parameters: \n");9 L6 k5 G/ K" ^( v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 p- d$ N0 K& Z7 P& O4 h - printf(" STBID: %s\n", stbid);
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- l4 `# j- \$ I! O- printf("\nDo you want to change paramemters? (y/N) ");
) }$ F* i8 k, k/ M! k - for (;;) {8 q, ]0 n$ }8 N d* g8 S! d1 e
- c = getchar();+ x$ h/ m/ P' A
- if (c == 'y' || c == 'Y')
: C" l% Q% |8 v - break;4 U- u6 I# j' C" f& I
- if (c == 'n' || c == 'N') {7 V _3 d S% z! Y4 m# y
- printf("\nAborted.\n");9 ^- X8 ^% t! q+ U9 Y& Q
- return 1;
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- }4 D9 r8 X9 b" G+ J$ M
- if (writeparam(mac, stbid) == 0)
. y5 d; O" H1 c0 V - printf("Parameters changed.\n");; U9 y3 x" r' i! C d9 A
; A2 E5 n+ [, R( Y- return 0;4 L; Z9 a7 q$ N1 b6 p: Z
- }
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