本帖最后由 0522 于 2012-3-21 23:04 编辑 * @* X( _8 M$ x: i9 y; }
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修改的代码早有了。到今天不会编译。( _- `2 F' n; } B8 S( H
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# F( F4 y! C O+ B/ ` - #include <malloc.h>+ T& b9 J, Y- Q6 s: M3 ?8 ]9 i3 P
- #include <sys/types.h>
* w5 h& W6 R7 u% d: v - #include <sys/stat.h>
% k) k0 o( h% I4 e; _ - #include <sys/ioctl.h>
- c3 d6 a2 f: I7 T7 i - #include <stdio.h>0 b! U' E1 h9 I; {1 N9 d4 {* ~
- #include <string.h>
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; Z- k( E1 ?6 `! R! P2 H1 _- typedef struct {
' v) p' H, b- u# F1 a, h3 t% R - unsigned int e2prom_cmd_sub_addr;
, s0 b8 @9 E' x+ ~5 {8 f3 w - unsigned int sub_addr_count;
' `) @; w6 r+ f - unsigned char* e2prom_cmd_data;
6 V1 n y) Y) n5 W - unsigned int data_count;* \$ Q! |) i: y) `
- } e2prom_s_cmd;
[9 d, k+ ?! D" t9 Q5 Y0 m' f - 4 B4 r H9 Y! x! R+ B' K
- #define E2PROM_CMD_READ 1
1 M$ s, f) [0 v( P! U# M - #define E2PROM_CMD_WRITE 2
+ g0 ]7 O5 Q- p; F* _8 s6 ~9 l: Y9 F - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" _6 Z, V0 Z1 t
- 2 j- Q, h- S3 ^1 |# u
- static int readparam(unsigned char *mac, unsigned char *stbid)' Q/ [5 m8 M$ W/ ^# g& p% `
- {
# |( \; x0 g T0 H% u# ~* `3 w - int fd, ret;
( J z' G T2 _ - e2prom_s_cmd arg;* b- }4 k! ?* _3 R! w
- unsigned char buf[0x18];
/ I; Y) N O# v
6 [' [4 q7 O+ \- fd = open(E2PROM_DEVICE, O_RDWR);
' i+ v9 w3 L+ F) X - if (fd < 0) {. m' I5 T w/ p
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 B4 V% a# B- E$ P$ m; s J, C - return -1;8 e4 S# ?& O/ {2 |( D, L
- }
( w* q6 k+ e3 U0 S/ c6 K4 ~ - arg.sub_addr_count = 2;
- W9 F; }9 u, T - arg.data_count = 0x18;8 c4 X, | I0 s( b$ v8 |
- arg.e2prom_cmd_sub_addr = 0x290;- I0 n/ R5 v" p3 {0 l/ A
- arg.e2prom_cmd_data = buf;* q7 B6 A- w9 E& h7 k, G
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);. w& m9 L& M; ^- B, U: u {$ n
- if (ret != 0) {
" y$ G1 b- L( p - printf("Device %s read error.\n", E2PROM_DEVICE);2 E3 b" r8 }1 r4 n8 G, z- f
- return -1;
. }8 l8 Z% d# f1 O1 P - }
# l" J7 y' P; P4 S# Q- |$ E$ ]4 R( Q - memcpy(mac, buf, 6);
: K8 `6 }8 S1 |5 f* V2 P - memcpy(stbid, &buf[6], 18);
1 g3 U+ a1 f1 U. M+ e" h - stbid[18] = '\0';, g: o/ ]1 I3 S6 o7 d. _& @
- . ^ T: c) C" s# W% J8 }
- return 0;
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- 7 O0 A/ `. s9 }" @
- static int writeparam(unsigned char *mac, unsigned char *stbid)/ a$ o" R5 E* U
- {% D, F4 C% b# X
- int fd, ret;5 T2 M& Q/ T0 M* |4 k; ^
- e2prom_s_cmd arg;7 [4 F* j; K) L% e! Y, B' p
- unsigned char buf[0x18];% V0 R& C9 K/ v3 P" x% R2 Y# c
8 r2 C: m7 |! Y% {- memcpy(buf, mac, 6);2 Q/ _. p6 O4 B6 p+ K4 T9 _2 q
- memcpy(&buf[6], stbid, 18);2 _8 U) e( G) X4 P
- fd = open(E2PROM_DEVICE, O_RDWR);6 n6 G4 @% l0 z
- if (fd < 0) {- {/ J/ ?" y" v2 n) N5 b) b; ^2 M! A( H
- printf("Device %s open error.\n", E2PROM_DEVICE);
. R5 p, q8 ?2 E - return -1;0 {& F8 } ]- w
- }6 @5 ~: U# { P' c; Y* F* a
- arg.sub_addr_count = 2;; c4 f' b$ e( [/ f5 e8 \: [
- arg.data_count = 0x18;' N1 h* @9 G# }$ M2 ^- Y3 |% y& g0 P2 U
- arg.e2prom_cmd_sub_addr = 0x290;
) ]* ]) C- p- ^9 w# t/ k8 x, ` - arg.e2prom_cmd_data = buf;. Z" Q7 _5 J8 ]/ Z' J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 D$ e: T% C& D - if (ret != 0) {- F6 g' P& U* V4 G$ u/ N* F
- printf("Device %s write error.\n", E2PROM_DEVICE);* C& u! T; w0 J) n0 K
- return -1;7 s/ w. D+ s$ f0 c! x
- }. }( S+ Q: i) i' j
- * ]" g% w3 Y* m9 L5 L
- return 0;6 F; {2 j8 j, P4 B5 i
- } y0 A7 j R% W f6 \% z
8 s8 \* P6 ]" i. F2 \' J. A- int main()9 M# G% l) z. s
- {
! F6 D# h: d0 C y: f - char c;
1 t# M: a% c' K9 G5 ^2 {- P6 n - int i, macs[6];
- R7 h% |$ M/ O1 g' t - unsigned char mac[6]; b8 H% b W3 V9 @/ G# U
- unsigned char stbid[256];2 y# f& o( I5 N8 [) x$ b) l @! v
( k/ I3 S% a$ r1 E3 d& x/ s0 y- if (readparam(mac, stbid) < 0)
6 a4 ~ ?) a: Q) P/ o - return 1;3 H- K/ \" C3 I
- . g7 ~) u2 `* `- J. t9 c) e" ~
- printf("Current parameters: \n");# Q/ a9 B O! l- s+ Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ }8 `' Z/ m6 |
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( \- c J; }; Q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 z/ X" L/ @9 p2 [0 A* Z5 X6 w
- printf("Input MAC error\n");
8 J, c. }* b2 e( t - return 1;6 f% \8 @! j: ]: m3 J9 X
- }
9 i- d6 x; w9 c6 ]5 Y - for (i=0; i<6; i++)mac[i] = macs[i];
9 U5 a- H& Y8 n( | - printf("\nPlease input new STBID: ");
: k8 B" G# z' H0 V0 A: z) R2 E% d* m5 z - scanf("%s", stbid);
" |; f5 D$ v& @9 E, O" o - if (strlen(stbid) != 18) {1 U4 d& ^* K8 V
- printf("Invalid stbid\n");/ q/ A+ K L( J! _5 r6 I3 {
- return 1;
6 [7 x9 \ \+ \$ h, F - }
: ?$ S. e2 n4 \& ] - printf("\nNew parameters: \n");2 }( p" W& ?$ ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 n" c3 l' U4 |# ~& x8 X) r
- printf(" STBID: %s\n", stbid);
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: F6 f$ p( A& c" h2 [# v- printf("\nDo you want to change paramemters? (y/N) ");) P9 k$ A, l3 U
- for (;;) {
+ J) I: `/ _- V2 F6 J x" z! P6 Y) [ - c = getchar();
4 Y# k z/ i) C) K. T - if (c == 'y' || c == 'Y')1 c$ u K* [" L1 Y( W& }) g
- break;
' \4 D+ j! P$ L! ^2 O - if (c == 'n' || c == 'N') {2 r4 @/ |( x7 X+ f1 Z
- printf("\nAborted.\n");
$ w4 B# V/ Z. Y" a, P: a, H( j6 X. K - return 1;3 ~* Z Y, G* {* T3 P0 B
- }9 k9 N b9 A8 P3 c# q! d& |5 x
- }* @2 V3 l( I; l, _; F& p
- if (writeparam(mac, stbid) == 0)
9 ~/ K1 I! ]6 F9 O1 O - printf("Parameters changed.\n");4 p/ G3 d/ m p& Y4 V
' V+ b/ o3 e0 K& G* g) I" t- return 0;; [+ f0 b& @& [8 v0 S4 i# |
- }
复制代码 |