本帖最后由 0522 于 2012-3-21 23:04 编辑 ! p4 w: C6 r: s( G' |9 d0 c2 \
+ w3 g7 \3 N9 p/ M修改的代码早有了。到今天不会编译。1 H0 X8 F, l. x6 s* T( o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 N' a: q, T5 l - #include <malloc.h>
. \& Y: ]8 z$ V% i- P, e$ H# o - #include <sys/types.h>
2 e5 m" A7 v$ ~/ h6 K3 D* [ - #include <sys/stat.h>+ d1 l2 U4 e- C. K2 y
- #include <sys/ioctl.h>
7 N! N4 R/ f& `- n4 I( n- p: E - #include <stdio.h>
$ m6 B1 I) x/ H2 T - #include <string.h>
, Y% O8 }& j* a. L# U2 N - , l& Z3 P1 f8 @9 v
- typedef struct {
# Y( e5 c L- D/ Z. J - unsigned int e2prom_cmd_sub_addr;
8 o. b6 l$ b! P. ~) f$ ^ - unsigned int sub_addr_count;
K1 f5 r3 P E! D - unsigned char* e2prom_cmd_data;
5 I n) }9 c( E7 T3 l - unsigned int data_count;
( I" |& u6 u/ X - } e2prom_s_cmd;
6 o0 M7 ?8 t5 M3 n# T - 0 G3 u% f& s) x2 d6 N, z) E5 l
- #define E2PROM_CMD_READ 1
, d, K1 o5 \6 O! x% q4 ? - #define E2PROM_CMD_WRITE 25 c, H& }, \5 h" ^
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# M2 r- w, {: R7 m) O% l( B- V
3 _) T! i4 u, ~, s& G" I# k- static int readparam(unsigned char *mac, unsigned char *stbid)' C" f' L. @9 R) z; P, s
- {
/ }8 z$ z, s1 \5 l' o" R( k - int fd, ret;
# K) Q# a2 g! c8 \1 z) D* U7 p - e2prom_s_cmd arg; Q6 F" Q/ Q* R" b0 u
- unsigned char buf[0x18];+ U2 P& R5 u$ y1 Q& @0 \
, M! F9 ~8 Q6 H! ]& ?# J- fd = open(E2PROM_DEVICE, O_RDWR);% Y; a( H' e4 O3 X3 Z
- if (fd < 0) {
- n [, N, M1 G3 K0 U* \# ? - printf("Device %s open error.\n", E2PROM_DEVICE);
1 H* e9 U9 Z" ], K1 C# P2 z - return -1;! a! o/ L) `1 @/ {
- }5 h; [. [6 z% o+ p: O
- arg.sub_addr_count = 2;
: T) \1 _% v$ `( B g3 h! o - arg.data_count = 0x18;6 U0 K+ C3 H# `7 x
- arg.e2prom_cmd_sub_addr = 0x290;
3 |* y# B3 q! f0 \: L" A - arg.e2prom_cmd_data = buf;8 x- R7 i2 ~) f# ?" H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, Z( L5 E) [( O( J6 S
- if (ret != 0) {
$ E4 R, A1 `% `" h- n p - printf("Device %s read error.\n", E2PROM_DEVICE);
- F8 M0 g$ C: E$ X7 B# @ - return -1;
3 v0 g ]' \5 k9 ^+ i - }$ V! x/ A& R% O6 u& Z
- memcpy(mac, buf, 6);! u- @9 e; ?' j, f9 x; v
- memcpy(stbid, &buf[6], 18);8 T; ^ H6 ^0 b( p$ K
- stbid[18] = '\0';5 C$ O9 G8 N3 v* G# u* v
- $ K2 F6 X& F' z- U9 E: I, ~
- return 0;; ]5 L6 c- g0 p6 e$ Q1 q" X6 j4 O
- }$ [ ?. Y4 q: d7 v
6 [' `$ @: C3 Q* {5 D- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 w/ E9 c: D6 F& f: z% A - {
( [9 j: m) _; F8 J& ?) }( Z. u1 u* ~ - int fd, ret; C8 j( T& h: a+ e& l4 o% m, L3 J
- e2prom_s_cmd arg;$ A' d5 U, F; H( u4 i5 o+ P
- unsigned char buf[0x18];. n: x. y5 c) A0 x0 Y6 N- w; R
1 Q6 i/ D# B& s9 |; V- memcpy(buf, mac, 6);1 N# m% @! h+ e3 m3 C4 |
- memcpy(&buf[6], stbid, 18);
) }' _8 q) l3 {4 v) W0 U) c E7 s+ ^ - fd = open(E2PROM_DEVICE, O_RDWR);
1 R L5 Z' ]8 `, _ - if (fd < 0) {/ \9 F' c" h/ N" X: _
- printf("Device %s open error.\n", E2PROM_DEVICE);
( w0 b3 P0 T. E - return -1;
* a2 R7 J+ E2 u0 i& D& V9 e - }
5 Q6 r/ t. W8 i4 Z6 l/ f) s1 J - arg.sub_addr_count = 2;
4 L$ c% S8 O, P* q d/ P% j - arg.data_count = 0x18;8 C5 g& Q' U1 f
- arg.e2prom_cmd_sub_addr = 0x290;
0 @$ H/ r2 I0 A; A, y3 K7 T - arg.e2prom_cmd_data = buf;( a" \+ _& H$ E9 o* d, \3 L
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 X3 [# s; V. v
- if (ret != 0) {0 T" E( }" G ]
- printf("Device %s write error.\n", E2PROM_DEVICE);
* E! ]: E2 x7 Q9 m/ n - return -1;
. M0 L# N0 p4 }9 j - }' [ x( @4 h- u; p A
- 6 p& o8 `9 h/ x9 u( H% D) a6 E9 v
- return 0;
1 v6 `. ]# w3 O J7 G - }0 O" r) S6 p3 Z; e# c( T. j
- ! P: b, ]0 f# H8 I4 _2 c6 G
- int main()
$ I. w1 {' I5 p* ?) ?4 e - {
( o; y9 }# F0 @9 l/ a. Z5 ? - char c;% j" `0 C+ l& E! j: Y0 t2 \
- int i, macs[6];
+ |$ B' k0 L/ N3 T9 e* J7 J# C - unsigned char mac[6];
( N9 u3 o; h, l. E! L/ | - unsigned char stbid[256];& V+ q. Q4 \0 c: ~' ?
- 9 C4 p$ @9 u/ _8 r1 v# a) w
- if (readparam(mac, stbid) < 0)
* f' P, ^) S& Z& H, x2 k - return 1;
. M9 E( {, R; g" g
]& I6 ?$ q, M+ Y2 u- printf("Current parameters: \n");; z' V8 f" F! K7 v3 y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& e) r. q9 R3 b; t; {
- printf(" STBID: %s\n", stbid);. S' E9 ~7 ^; T& Q5 S
- % ?9 L9 G; _' d
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");& F- H: c, v$ Z: Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: G3 S8 ~: w! G5 z2 F' M
- printf("Input MAC error\n");5 ~! w+ f* Y, v( M$ N
- return 1;9 F3 a4 D2 W3 a Z8 R
- }$ V0 @% ~0 O& f' K i& g5 h. b
- for (i=0; i<6; i++)mac[i] = macs[i];) G4 ~; }2 ?+ M4 c8 o
- printf("\nPlease input new STBID: ");
" x' }* b& ]) [' { - scanf("%s", stbid);" X( r& p2 a, ?; a. k$ n/ z
- if (strlen(stbid) != 18) {
& k0 a" _# v4 C, G* n2 g/ r2 P" A - printf("Invalid stbid\n");9 s$ S3 g, h/ G s% U* Q
- return 1;1 m5 q( j# @/ \8 P1 J. h0 x
- }; U! @/ b/ _# w* k$ a2 L' f* `
- printf("\nNew parameters: \n");
* X0 {- G/ k( c+ K, M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* @' @8 a1 F5 `2 k" Q0 }) \ - printf(" STBID: %s\n", stbid);4 o6 w2 |; w, Y$ z; r) A8 I, L8 t
9 {3 ?& u: }; }9 j$ W+ j- printf("\nDo you want to change paramemters? (y/N) ");
# {7 [& {( X4 n - for (;;) {
& _0 R4 T% `3 P& n" ]+ K - c = getchar();
$ ]' _/ P) [8 q7 z1 T$ v" }: K. |& _ - if (c == 'y' || c == 'Y') z, o( h4 x0 G
- break;) @, W4 n& Q% m4 w0 ?
- if (c == 'n' || c == 'N') {
% R; Q# C- w/ w; v( ]0 J9 I; e z2 k - printf("\nAborted.\n");* ^( p# X, F# ]5 A- a- }& |4 {
- return 1;, v: l" d5 d, D* Z }
- }* c3 A- t6 O: A7 o% T
- }" N# m0 ?* _2 u
- if (writeparam(mac, stbid) == 0)
, c5 ?" W4 U5 v0 e( c( |) {9 r - printf("Parameters changed.\n");3 z/ {& J) a% _ z Q
3 c# \2 P( J% O5 q7 S- return 0;. n& W* L8 X9 t, n) A
- }
复制代码 |