本帖最后由 0522 于 2012-3-21 23:04 编辑 $ N% _. Q R/ w4 D6 n
+ t; @' g8 ]& J% ~9 {* z修改的代码早有了。到今天不会编译。
1 `1 r6 u6 d8 U2 \& ]需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 o( q# [6 K9 w+ c/ ?6 A& I - #include <malloc.h>
$ F9 c7 k4 ~4 i5 m - #include <sys/types.h>( ~. Z- p* O" `$ E2 t( D# i
- #include <sys/stat.h>
5 H* N$ J/ I5 e8 T - #include <sys/ioctl.h>
/ s, a) t: a z8 d$ I0 w) g - #include <stdio.h>8 _1 n' y& M# X+ i
- #include <string.h>
# |- v' g' O/ _8 R- B! y) t - + E* x5 J" T% O% ^/ v* v+ b
- typedef struct {8 Q- m6 J) L( n8 f' T \7 E
- unsigned int e2prom_cmd_sub_addr;
! x' h8 T* Z7 P! c2 ?. n - unsigned int sub_addr_count;
1 D6 X! `7 n0 j7 R" ? - unsigned char* e2prom_cmd_data;. J( v. U! u& E. x8 Q3 p1 ?
- unsigned int data_count;3 Q: m0 N7 ]7 H/ j) K6 u
- } e2prom_s_cmd;7 p- b1 p( j0 C7 G1 `
* O+ r5 L% P( I u2 l- #define E2PROM_CMD_READ 1$ j- m& \, e5 W* _
- #define E2PROM_CMD_WRITE 2
: e4 W- g0 J {( e; Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
. f" w, h, y1 y5 s' O1 i, ?7 a8 l - {
7 @* r6 G- w5 y( U+ v - int fd, ret;
6 ]! F9 t& G' g3 e& I& q9 | - e2prom_s_cmd arg;& K+ a; X5 K1 H, u9 o4 }& i0 u
- unsigned char buf[0x18];
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9 k$ z3 U& b- A- fd = open(E2PROM_DEVICE, O_RDWR);3 p# k* X6 b: U0 F3 b- w
- if (fd < 0) {
. r! ~) z9 A$ I6 A - printf("Device %s open error.\n", E2PROM_DEVICE);
3 j8 j. J* R- I) _, w - return -1;
% x1 H8 p3 L8 ^ S - }
# x# j! P$ {- l6 ^8 J5 [4 i - arg.sub_addr_count = 2;
3 x7 F' F' u5 V9 }2 @6 Q9 C - arg.data_count = 0x18;, C& x& w5 w% u q
- arg.e2prom_cmd_sub_addr = 0x290;: p2 i" a! y8 P
- arg.e2prom_cmd_data = buf;
; O2 D( v7 F% x - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' i4 G+ @# z! G2 O$ G - if (ret != 0) {6 Y$ x4 i# z8 t, l* j9 ]9 s
- printf("Device %s read error.\n", E2PROM_DEVICE);2 h# U1 a8 v; m, r& i
- return -1;
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- memcpy(mac, buf, 6);% S3 `$ K4 z* F4 h c! V6 J
- memcpy(stbid, &buf[6], 18);" a& y( F# A" p
- stbid[18] = '\0';2 s. r* g. q% p9 [" d4 T0 ?
- D6 [" u# G d* v4 y
- return 0;
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2 W; Y, A, C% }) V/ {- {/ D
( }0 Q! _4 L* |- B: [- static int writeparam(unsigned char *mac, unsigned char *stbid)- M+ O& Y% L& {! V7 B: D6 ~
- {) \# j9 @3 I* [) y7 B
- int fd, ret;) b( r! c0 B; ^7 m% U5 Z) U: H
- e2prom_s_cmd arg;! J# V/ q3 i8 G: Z
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);$ S8 S" [! c/ T2 E3 ?. O$ }7 z
- memcpy(&buf[6], stbid, 18);; g9 D a# Q' g k3 G% t
- fd = open(E2PROM_DEVICE, O_RDWR);
2 U, C0 ` w9 v; d0 p! }% P - if (fd < 0) {( D9 H8 q) h* p1 F" u* v# X
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 Z. `" D: x6 r6 x4 s0 Y& ] - return -1;: g; h' o% f) b
- }; W+ t9 r5 |% m& q7 {- }
- arg.sub_addr_count = 2;
; A) C P/ u3 L7 a) ^( P - arg.data_count = 0x18;$ j2 X D- {0 s2 w. n- c6 x
- arg.e2prom_cmd_sub_addr = 0x290;+ ]9 }! F5 P! T1 e6 k8 s
- arg.e2prom_cmd_data = buf;- K; i( n5 W/ Z$ D8 v+ C8 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 V9 b% H* }9 e: f1 E
- if (ret != 0) {
4 x5 l* g- s0 ]8 [/ \ - printf("Device %s write error.\n", E2PROM_DEVICE);/ N. }3 ^, n& X6 G7 S& a
- return -1;3 d2 H2 h) r) D R4 @6 Y
- }
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- return 0;
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- ! F8 l6 ]1 T+ u( H
- int main()
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- char c;0 |3 c! d0 J: p
- int i, macs[6];
: o4 ]( T5 S+ @6 H: R, j4 O - unsigned char mac[6];
$ `6 _9 Z& P6 g6 u* O) Z - unsigned char stbid[256];5 }% l7 z* V- s% ^
4 p0 I% b8 k0 E* e# c- if (readparam(mac, stbid) < 0)
, a0 B, W) B( d0 a. W - return 1;
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, S6 R# g; O* t- printf("Current parameters: \n");
5 {) O7 c7 O r5 i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 A& m/ c0 w, ~! ]# e
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; P2 G: @+ U& T7 W$ N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! G0 y7 H; O' Z& R
- printf("Input MAC error\n");
/ C7 r$ e3 m T, \/ a - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];4 ~; }8 v9 J/ q9 R' r
- printf("\nPlease input new STBID: ");( y% O+ W* s/ J! }$ q0 z
- scanf("%s", stbid);
4 L, h" m K$ @) m6 t& s& U - if (strlen(stbid) != 18) {* B' T6 p! A+ c* N3 N7 i3 ~
- printf("Invalid stbid\n");: E: Y! F2 z3 v8 J
- return 1;! h9 w% R- a3 u7 W, J. ?6 g
- }4 L/ u* O4 E% e! F: D. t) a
- printf("\nNew parameters: \n");
0 m$ @ B4 j1 V8 A, f, K% E) H: @, b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); N6 R8 G$ a c
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");2 M! ]8 H# g4 p# K6 T( M
- for (;;) {
% x# t/ M4 A, q5 z3 h, r4 I" } - c = getchar();; [: I" a+ {! ^. R' K: E
- if (c == 'y' || c == 'Y')
' i- [; I/ _9 N5 M; U% ^8 ^ - break;
% [8 o' h/ A' E; x - if (c == 'n' || c == 'N') {
( K9 U' @; L) L) f! D - printf("\nAborted.\n");
5 z9 R! T. c1 \0 P0 W" i - return 1;
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- }
8 W8 a* @/ G8 S- a* k, z: M - if (writeparam(mac, stbid) == 0) / X/ B+ k2 v+ p. ^; Y. L
- printf("Parameters changed.\n");) Z1 S" l& Z7 p+ X& r: M$ b
- - Y3 F% n% G, L6 D! _4 F3 m" j
- return 0;
1 W) \/ w; M# N! _$ t* x, k - }
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