本帖最后由 0522 于 2012-3-21 23:04 编辑 9 R T! [% a& S9 F2 l
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修改的代码早有了。到今天不会编译。* H. h+ H; d* \2 j3 ~9 u" d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, \6 q0 I1 R m: C+ ^
- #include <malloc.h>$ l! _, x# `5 i! V% E7 S: `! z" l
- #include <sys/types.h>* t8 ^( a, Y1 u' T" G5 n& G
- #include <sys/stat.h>
& _/ q1 R7 e) U7 u( b3 v2 V - #include <sys/ioctl.h>
6 t2 k7 ?! `! Q$ E5 u k - #include <stdio.h>
* o5 ~2 s' W) S& L5 S. u# p# n - #include <string.h>! j/ @1 E8 g* d) L3 ?7 U
/ ]( w9 m1 Y% B- typedef struct {
/ J$ z) _6 X9 Y5 k3 f8 d, x( ] - unsigned int e2prom_cmd_sub_addr;
D! l9 i* d* w9 t8 C - unsigned int sub_addr_count;7 L' w, E3 I' K& { o
- unsigned char* e2prom_cmd_data;/ Y% i: Q% k- G* d
- unsigned int data_count;
! ]1 I. V# k' ~' f - } e2prom_s_cmd;. S9 N7 A1 u. \/ G
* `+ M/ f' U4 t7 s( W* Q' z- #define E2PROM_CMD_READ 1, C! |# Z* I0 o& g" A
- #define E2PROM_CMD_WRITE 2) a/ d% I4 k" W% V8 V$ \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; Z) o1 m& w7 E; _1 ~, J
- e2prom_s_cmd arg;
9 r6 E/ Y9 f" G9 j# l. J - unsigned char buf[0x18];
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* V2 d# V* \! U- fd = open(E2PROM_DEVICE, O_RDWR);: w5 U+ y, p2 c& f+ G
- if (fd < 0) {
# Y+ J: x6 e) c! | - printf("Device %s open error.\n", E2PROM_DEVICE);8 @8 }- g9 S* \" B) a6 W. U
- return -1;
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- arg.sub_addr_count = 2;; v$ W J- V7 c
- arg.data_count = 0x18;
# e, C. \: B3 W6 X6 { - arg.e2prom_cmd_sub_addr = 0x290;
) Q' L9 N y0 V - arg.e2prom_cmd_data = buf;
1 d$ n, d$ L7 ?) T6 Y$ P; O' t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 P5 T/ L8 e& F1 u* o) S8 S+ r
- if (ret != 0) {7 J* U( n! X# E' |! M$ M
- printf("Device %s read error.\n", E2PROM_DEVICE);2 @$ Y4 J6 @8 k, y- K& m: n( l
- return -1;' r( l J9 ? z2 A9 }0 V4 x
- }! I+ i: Y0 h( v, R; n+ @
- memcpy(mac, buf, 6);" W2 B, [* p. N2 O6 `
- memcpy(stbid, &buf[6], 18);
/ c1 t3 _$ _7 `% K6 S p5 X4 P3 [ - stbid[18] = '\0';
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- return 0;8 }) e" k: z$ T: }3 u
- }5 A/ C" ?% k8 A& k+ t( A) M
* k4 U( N" G8 d; s/ {6 p4 @- static int writeparam(unsigned char *mac, unsigned char *stbid)' e' z1 k+ e# ^& q" _1 B8 ?
- {
; m" B+ S7 x: S Y, e7 c8 u - int fd, ret;: D+ w% r# @' U
- e2prom_s_cmd arg;
6 ]: ~, @' u7 a+ c* `4 J9 s% N5 n - unsigned char buf[0x18];0 o: I J% {0 I& e& {1 Q; ?! T' x
- 7 q7 B4 N. G7 ?8 f: k& z: a0 `
- memcpy(buf, mac, 6);
5 X7 C q0 J+ K4 A3 \5 x( ] - memcpy(&buf[6], stbid, 18);5 x; D2 J' y9 I) G, z2 e- K: o* s% H% K
- fd = open(E2PROM_DEVICE, O_RDWR);5 r z8 i! n1 ]% O/ y, b5 Z
- if (fd < 0) {! X, w$ l+ i- A# b7 B9 J, b
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 A5 P/ t1 M3 j+ C - return -1;" O0 P1 I* R2 _ r' u2 ^
- }
+ v4 S) r/ c1 ?, q. r - arg.sub_addr_count = 2;
( d8 \& V7 K3 L, o - arg.data_count = 0x18;
& K$ \0 E/ B0 v( e& E - arg.e2prom_cmd_sub_addr = 0x290;
' n/ R1 l* L- i$ I" {% \ b2 i - arg.e2prom_cmd_data = buf;
; W$ S! x1 O7 {! X, W - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 `1 B7 ]2 H6 x7 J& D4 T" } - if (ret != 0) {6 j6 K4 n( g0 I1 N* I$ t
- printf("Device %s write error.\n", E2PROM_DEVICE);2 g! ]" h3 q. l
- return -1;
# [' P) t* V6 q' Z4 S7 _ - }
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- return 0;5 y2 w# E4 {0 F# _8 U8 Q& p& T
- }
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2 n* ~5 K, `' b$ c6 c- T- int main()8 g6 {+ C+ w# Q* D2 T0 Q9 R
- {0 v: w) X* i7 M% F6 }2 L$ Q' q
- char c;
& ? p3 e7 |: z; { - int i, macs[6];. W' ~! G, i3 E! I1 X* g
- unsigned char mac[6];
: ~+ O/ u; T* t, }9 M1 ?6 I; @ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
9 K9 C% _& c9 L. J - return 1;( A" g8 x1 R; B m" @9 e3 m: w5 ^
- & x- P+ e5 v: k
- printf("Current parameters: \n");
! O0 }& s" r! N; I3 G4 ]) } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 Q5 W! [" v! m+ T8 I$ H
- printf(" STBID: %s\n", stbid);
+ j2 E" g9 L0 j- i# a3 W5 t -
6 t b( e# Y' }; t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ O8 y7 I5 \ i' s5 L - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; }2 L- k7 a" ?$ ^. R - printf("Input MAC error\n");) o" c6 ~/ K) B; X% Q
- return 1;
2 k) ]/ x4 L. ?* b7 u2 d* d. x - }
& r* d4 u* v* l, Z' U5 N+ E/ i - for (i=0; i<6; i++)mac[i] = macs[i];
5 N+ i& ]) p8 {( w/ X d - printf("\nPlease input new STBID: ");
5 w6 G* }! ~* b7 I5 A - scanf("%s", stbid);2 p$ F2 f" j# ~; R0 F
- if (strlen(stbid) != 18) {- }2 X% U5 e2 h# \9 k9 J1 x* y
- printf("Invalid stbid\n");
5 i% e3 }& \4 b' j. I - return 1;7 V9 H0 h) F% u$ ^3 N6 M
- }$ h2 v5 J! I- c9 [7 Y
- printf("\nNew parameters: \n");
8 e- B0 V3 m0 d) r2 k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' Y- d1 n/ F. s9 \" M& }$ q/ T - printf(" STBID: %s\n", stbid);
: N4 Q! }. J" {
/ }7 F2 k+ l( x. n2 [, B" ~( Z- printf("\nDo you want to change paramemters? (y/N) ");
+ f5 b& N. ?+ [2 a# I: b) j% L7 F) { - for (;;) {
9 d/ V X* R. M' G# b. L - c = getchar();
6 ]3 r* a; F' a [ - if (c == 'y' || c == 'Y'), R6 L3 x6 G( }7 o3 s; M. ]5 E
- break;( s' n! I) I8 W! P ]
- if (c == 'n' || c == 'N') {& }0 q6 y) g6 D( m m- q
- printf("\nAborted.\n");9 ^1 z) G5 K/ _' ~
- return 1;! h. R+ z' M, g& c: H
- }
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- if (writeparam(mac, stbid) == 0) 8 N2 C( h+ ^0 E
- printf("Parameters changed.\n");
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- return 0;- O- C8 y' o0 _) }/ @: C& E
- }
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