本帖最后由 0522 于 2012-3-21 23:04 编辑 1 J' o! p3 i6 O: q0 X/ J' w
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修改的代码早有了。到今天不会编译。
7 c) j, ~) g2 S! \4 l6 l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># w& y) l! i( c3 Z
- #include <malloc.h>4 Z1 q0 X. S6 n
- #include <sys/types.h>5 f. v; p' |# S) s( j, p
- #include <sys/stat.h>+ v1 \+ X) r) D: h+ V3 L9 R; D/ C
- #include <sys/ioctl.h>
: D* J; } I$ s. H2 W - #include <stdio.h>
4 `; S' v3 P/ R: ]3 U7 t - #include <string.h># ~. l9 O' R/ j+ L; K$ J: ^
- 1 D6 c0 h }! H
- typedef struct {
- s9 X! ?. \) K3 z" y C2 Z - unsigned int e2prom_cmd_sub_addr;, v1 E; D1 H2 ^* `9 j
- unsigned int sub_addr_count;
! d( v" o( U, P1 t6 Q" ~ - unsigned char* e2prom_cmd_data;+ s# |: `. Y5 b4 V7 c. |+ @
- unsigned int data_count;
) N2 n. O" B9 H t - } e2prom_s_cmd;. b! f2 t( v8 R
1 I8 \7 U0 H4 h: g. x# j- #define E2PROM_CMD_READ 10 U# X0 X& M6 }
- #define E2PROM_CMD_WRITE 22 n! y+ r9 x9 e \2 y, c3 `
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; o6 L( v" h; j" P" e4 _
- : n3 J" X% ^1 e) O0 q7 z: g
- static int readparam(unsigned char *mac, unsigned char *stbid)9 v8 P. g. E% G
- {
, Y C2 ]- J' O; Q. F+ A) P- Q - int fd, ret;, S% r- f6 u& d
- e2prom_s_cmd arg;) g6 c% o) e: ~+ h c& m
- unsigned char buf[0x18];6 P2 X- r( g7 v8 a# [# U, w
& S$ a" c5 T/ X/ p0 W8 J- fd = open(E2PROM_DEVICE, O_RDWR);" x- Y4 W0 W1 }# y
- if (fd < 0) {3 X, U M) {! f& M! c
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ q. ?) D, h' u5 d9 E! k$ ~ - return -1;
3 [/ B8 ?. w3 ?6 p; ` - }
) E# P8 g9 A' A0 z& k$ Z7 ` - arg.sub_addr_count = 2;' i+ M; F2 D; q, [8 C! I& M
- arg.data_count = 0x18;6 W$ |, f/ T4 j5 E
- arg.e2prom_cmd_sub_addr = 0x290;1 F" E/ ?5 o" \: q& K3 Z. X: z: a
- arg.e2prom_cmd_data = buf;
0 H+ \. U: q8 r( s" l7 B4 r% L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- q& N* A9 X/ G2 R$ C8 ?
- if (ret != 0) {! o% I) ^" c# C0 g
- printf("Device %s read error.\n", E2PROM_DEVICE);
; O" ~' D J }4 W! f - return -1;& u" d, `; a5 e* X
- }5 d k7 E% U) H
- memcpy(mac, buf, 6);
% z/ `4 l6 `4 F a% m7 k# ~ - memcpy(stbid, &buf[6], 18);; D6 E2 {+ G6 F! r3 @& }2 K
- stbid[18] = '\0';1 A% j/ c# _- O3 i _ O9 m
- # K, H4 P: M" P' v. x
- return 0;# o$ g% u0 B0 i' g; _% k3 j
- }8 J6 l0 ?/ \. x
% ^6 `; F3 Q: W% l0 U% A. O! |- ?- static int writeparam(unsigned char *mac, unsigned char *stbid)9 q# {( e8 }: i! \4 w# F0 \2 @. O
- {
1 p' N8 n# D( a" P( g# y - int fd, ret;
. W7 _$ j( I- H+ a - e2prom_s_cmd arg;0 P: [9 c. Y7 J+ D( G5 q- M$ Z
- unsigned char buf[0x18];
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, k" M, g4 K& \: y- memcpy(buf, mac, 6);( x4 C- O6 n5 ?
- memcpy(&buf[6], stbid, 18);* u$ o- l8 p" g# x* S+ ~! N
- fd = open(E2PROM_DEVICE, O_RDWR);, A7 I4 ^; F1 _0 |1 X$ U# N. `
- if (fd < 0) {1 T9 ?# g* f( j9 z2 G
- printf("Device %s open error.\n", E2PROM_DEVICE);# }/ J; a- f- N' m* }9 W- ^& R
- return -1;
! |, L' P: W: p - }
5 g: s1 L* p1 E9 B - arg.sub_addr_count = 2;1 p- Z- S. q4 q, x3 s0 b
- arg.data_count = 0x18;
( m% `$ ~7 t8 }* h - arg.e2prom_cmd_sub_addr = 0x290;* ?; o# e _- O! V+ o
- arg.e2prom_cmd_data = buf;
9 E* P p1 ?' l7 L: W: b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 p6 M+ Y7 p. N - if (ret != 0) {
1 o$ C$ S: j- Q# B& c/ s - printf("Device %s write error.\n", E2PROM_DEVICE);" {8 G# x1 O) A; j- ?$ p
- return -1;
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- $ J# a- Y# r: \- I7 G' x# [
- return 0;- H( P& V5 L6 V& x2 L( I+ q
- }4 ?" R" T6 W8 r7 _, I: f; ]
- ' M A3 n* z7 C- ^
- int main()
5 z6 _+ V& }& }8 \' Q3 w6 t# e - {
9 r- h) M* H8 t4 Z, ^/ G; b7 g - char c;
0 R+ `8 l( m8 j1 V" Q( g, v6 K - int i, macs[6];2 g" c- F w& s5 @$ P
- unsigned char mac[6];; S: K; { a# {1 I
- unsigned char stbid[256];) B6 X. }+ l6 D4 X" ]" S. ^
. r; b* a2 q5 t% P1 C7 v- if (readparam(mac, stbid) < 0): k& N% P4 G2 p# D3 m. y
- return 1;
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- printf("Current parameters: \n");
7 `8 o1 X( h, i, E! M b- g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 m' w/ [& t9 S" [ - printf(" STBID: %s\n", stbid);
$ U/ ?" r5 ?0 j8 |9 _& o+ s/ I* V - ! [2 a- a6 g+ k, P
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) O7 d% r2 ]5 @! Z0 \) l
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 d6 @1 R7 H- L7 A- l5 J: u; Z - printf("Input MAC error\n");5 }9 C. O& I! T/ Y( f3 x
- return 1;
6 w- F% ]' K1 g) s) ]5 s- ? - }
8 i3 r; Z0 |: `9 y! P1 C/ \+ G - for (i=0; i<6; i++)mac[i] = macs[i];
% f/ b$ k9 ^0 L3 R( ]) N - printf("\nPlease input new STBID: ");
; h( ]+ @5 a4 N; V) R* M7 m - scanf("%s", stbid);
l* |2 t* \( W" g$ k( N# t - if (strlen(stbid) != 18) {# l% {6 Y0 ^8 B, v. F* a- g0 i
- printf("Invalid stbid\n");0 N# x# u9 i+ c
- return 1;
2 }' Q% p, D; [6 V - }0 p' m: A5 H; }/ }' ~) t& }
- printf("\nNew parameters: \n");) L% i D9 _5 K+ e' J0 X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( p, o; j- U7 f: o) [
- printf(" STBID: %s\n", stbid);$ Y: U9 t- E. i/ J( C7 k1 z
: k( X5 A' h3 F' C$ ?- printf("\nDo you want to change paramemters? (y/N) ");
! R5 U& H$ \* ^' H: u/ G - for (;;) {/ c6 F, [3 m- Y( G, S
- c = getchar();
! C3 V1 e) b) P) @! [ l+ H+ H - if (c == 'y' || c == 'Y')* M4 K9 I$ V$ r
- break;% P# ^% V0 M5 W
- if (c == 'n' || c == 'N') {
0 U" @* a7 i$ ^* M$ w! ?4 Z* N- c, e - printf("\nAborted.\n");
+ v3 l- W, x3 s+ d& j - return 1;
7 f2 w4 Y# D- y8 w4 G0 } - }
/ p7 k3 y z7 F' i R9 F - }
4 N9 g5 c6 e- k" B1 x) E& ^ - if (writeparam(mac, stbid) == 0) & \- X H/ D% t1 A# ^, u
- printf("Parameters changed.\n");
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- return 0;7 p/ B- N6 d# O+ _& w' x
- }
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