本帖最后由 0522 于 2012-3-21 23:04 编辑
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7 X, I2 c3 J( q/ p3 v9 u( R2 G修改的代码早有了。到今天不会编译。
9 Y3 N6 l* R; \4 Y. P, V% I7 ~- k+ W! J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( j: i) U# v6 O" @( X8 d( U" \( s - #include <malloc.h>
1 t! q3 W* \ B- B, @ - #include <sys/types.h>
) X! S' x5 w/ i+ I - #include <sys/stat.h>+ _# X8 ~- O0 }4 q0 K+ V2 p' Z$ D
- #include <sys/ioctl.h>- m( o1 A" E: z/ P
- #include <stdio.h>
( E3 M: u) ~8 `# v0 N - #include <string.h>- e: a1 i) X4 R
- % f% l0 t- d" [: F6 f( K8 `3 q
- typedef struct {3 o& N* I: v2 W1 c
- unsigned int e2prom_cmd_sub_addr;
! S( s# G: Q( H% ?1 d - unsigned int sub_addr_count;
, ~" `3 r, G* d& f7 B - unsigned char* e2prom_cmd_data;
* }) Y- i8 v8 G' N - unsigned int data_count;' }& H: t, L0 V0 i$ C; b2 J
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 19 w" u( |8 p: z4 }; h
- #define E2PROM_CMD_WRITE 25 X$ _, n3 L) X$ N, P0 P& U
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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1 A/ B6 ~8 D% v- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;% c* j% ~, N1 j; p% ]
- e2prom_s_cmd arg;
0 @& B% ~1 H. M" A - unsigned char buf[0x18];8 b' q( d9 R0 W% P6 ]5 ^, z2 S
3 s4 X) [( q$ o6 @& m7 A( i+ j/ }, J- fd = open(E2PROM_DEVICE, O_RDWR);7 q% r0 \* N4 X# k5 `3 L
- if (fd < 0) {
) M# h, \- @! N0 p0 g/ f1 K5 ? - printf("Device %s open error.\n", E2PROM_DEVICE);
, R$ |6 G' x) ?" i - return -1;
/ E$ k2 r: j! Z" E/ r! }) c6 w - }
& {' m2 B7 x' x, o; f/ X& ~3 e - arg.sub_addr_count = 2;. h3 w" A% d$ _8 a
- arg.data_count = 0x18;
" S8 _0 P7 C* |# Y* M; f4 h/ |' x - arg.e2prom_cmd_sub_addr = 0x290;9 G% e5 \# T4 f( p1 o- s6 L/ V( H
- arg.e2prom_cmd_data = buf;
$ H1 X9 }7 G- G" U. O' `. _& d8 a - ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ |. b4 y% a: X& K" a8 W) _
- if (ret != 0) {
7 L8 k% s8 J9 j& I; b; J3 w* U/ L - printf("Device %s read error.\n", E2PROM_DEVICE);
# K2 D9 G$ }* L% v7 F - return -1;
" F4 w+ T( d. L( j$ B - }
1 k/ _+ K4 U9 J/ ]& g - memcpy(mac, buf, 6);
1 X$ k" }. ~9 j+ l5 K+ u0 a - memcpy(stbid, &buf[6], 18);; g4 v, D0 q% S
- stbid[18] = '\0';& M7 ]& P/ T) i6 L$ i& `2 c4 T
1 n, X+ d) X, \' Q3 @- c3 H5 d, f- return 0;0 {) T6 N7 ?; d1 {
- }5 H# n2 [8 U: e' V9 M
. ?6 w8 r4 m& b% K- static int writeparam(unsigned char *mac, unsigned char *stbid)6 ~- i! p6 S5 \( d: J( J" Q0 F
- {
+ p7 Q/ c' @# |6 L* ?* @ - int fd, ret;
3 I# b' m; l& @; V% y0 Y - e2prom_s_cmd arg;
8 G- j2 W2 N; e! D8 |) F( T- r - unsigned char buf[0x18];& b( K: v" ]. g
- 2 Y4 c7 H8 q# t5 ^! T$ l
- memcpy(buf, mac, 6);: z1 i3 n& { d: Y% Z
- memcpy(&buf[6], stbid, 18);# s4 d# Z& }+ c. x. o
- fd = open(E2PROM_DEVICE, O_RDWR);3 w9 A; e5 J. E6 |$ Y7 J) R) ]( Z
- if (fd < 0) {! J. W( I6 M' Z4 m6 f
- printf("Device %s open error.\n", E2PROM_DEVICE);6 f. H% k& k" D: C0 j' I3 L
- return -1;
" y5 M4 I1 c U2 L4 @( z. h6 ] - }
- T8 t/ \. j3 V) H- ]$ a1 B - arg.sub_addr_count = 2;, [% V; B+ P7 C! b/ z) c5 y! R3 q- i3 D
- arg.data_count = 0x18;
) e8 G6 q- E" X8 r - arg.e2prom_cmd_sub_addr = 0x290;
$ m' K! g. k: G8 W6 X/ q4 J6 T - arg.e2prom_cmd_data = buf;
9 i6 }/ p9 z3 c3 y/ [& m. M - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 \7 F- b M3 T+ j* H8 Q% \8 b$ a2 t: |3 e - if (ret != 0) {4 L& o) Q6 p, u" y
- printf("Device %s write error.\n", E2PROM_DEVICE);
$ w' W' @. i8 Z8 { - return -1;
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& b, R% h: p& m& Z$ h- return 0;. g/ D2 y; X0 W4 E
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9 n3 j4 R: N. ?) D- int main()
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- char c;
$ M; d7 U/ M, P7 \. h - int i, macs[6];
4 J- e3 j; C* q. I. D4 C' g: t - unsigned char mac[6];) l6 l$ p5 y, z" d$ L
- unsigned char stbid[256];! B. n& `% }- t1 @ `% o
$ t, g5 E( Z5 {% M- if (readparam(mac, stbid) < 0)
9 D+ J# S( N$ H" j0 R - return 1;
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2 X* O7 X/ x. y9 g6 {- printf("Current parameters: \n");
% D2 S0 \" ]& E3 z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( B2 u% j4 q6 e$ F: D8 _
- printf(" STBID: %s\n", stbid);
f! Z! V+ X I5 Z -
4 Y7 b$ U6 X3 }. ~. g. D; b2 X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 g0 P9 j7 W; H$ M/ Z+ f6 e
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' A- c2 w+ J; D5 h - printf("Input MAC error\n");6 M& Z/ h+ q- f W1 ?9 R
- return 1;' i. }! G- k/ n
- }0 @. S: y7 _& p) I5 |( f' B
- for (i=0; i<6; i++)mac[i] = macs[i];
! ]% i# o$ z+ ~& f( g8 g0 h - printf("\nPlease input new STBID: ");5 [! T# y0 `' Y, U2 o Y4 B( B
- scanf("%s", stbid);
5 {$ W& J" p6 }5 K* e" ?" C - if (strlen(stbid) != 18) {6 R! o; D6 A" u- r9 u" ^
- printf("Invalid stbid\n");4 O' w0 B7 T9 f( S1 `! p
- return 1;7 E2 s& [6 f! A4 Z2 ?
- }
6 C- i/ n3 h" {0 _2 Y1 X' X - printf("\nNew parameters: \n");, |" I2 b* ]- U; G. L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 G, {( Q' e4 ]4 n' p% m) E$ O5 R9 n
- printf(" STBID: %s\n", stbid);8 [* t+ P, N+ _9 |& g. B& W
/ M/ [/ I: L2 @! X& u- printf("\nDo you want to change paramemters? (y/N) ");' X& M4 J. U. O, s' F0 k
- for (;;) {" m7 s" R$ y! i) M: \" N
- c = getchar();
8 q' }$ M, B* r4 u: D t3 \ - if (c == 'y' || c == 'Y')
2 t1 g& X: D5 h1 | - break;
7 Z3 F; O7 |" P" G- g - if (c == 'n' || c == 'N') {
4 `. r1 d1 B1 J4 C$ Y' f! ` - printf("\nAborted.\n"); F) w. k5 v7 X
- return 1;9 y6 O0 {6 T7 v1 X" f
- }
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- if (writeparam(mac, stbid) == 0) $ d' a X+ i) }8 o
- printf("Parameters changed.\n");9 }* S" I+ `5 E- U3 I( u$ l X
; _1 V$ y4 o) @4 a% V' R- return 0;2 }" Q/ y( s( X$ ~9 A( O
- }
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