本帖最后由 0522 于 2012-3-21 23:04 编辑
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1 S* U/ V7 N# A4 y0 T( g修改的代码早有了。到今天不会编译。5 z) j6 J+ b8 M6 ]9 I
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) @0 ?0 e. n! X& J
- #include <malloc.h>
/ {! @7 d2 A3 Q* A0 |; q. N - #include <sys/types.h>
3 J1 w; B% A* V# Y( F - #include <sys/stat.h>
( Z8 h3 T% l! R" ` - #include <sys/ioctl.h>5 B+ @6 q9 O" _ `
- #include <stdio.h>% J5 _9 a& w: O8 B5 i
- #include <string.h>
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5 O% K/ B' q- V! p$ X- typedef struct {
5 a6 ^9 T7 z1 r5 F/ s6 U: { - unsigned int e2prom_cmd_sub_addr;
, o; }6 L: N' @: J6 g - unsigned int sub_addr_count;% v# K ]! i9 f1 G9 B9 Z
- unsigned char* e2prom_cmd_data;
( h( G7 b. t! w' J" {3 z - unsigned int data_count;
+ r- D& i! o1 E$ ?! g* d - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
) M1 T6 x5 W! r ?$ P6 R - #define E2PROM_CMD_WRITE 2
. a$ v. ~9 P. c. u" K+ Y7 \0 {8 _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 Z1 K; g2 R; t+ a, q: l
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;7 Q8 E) I% x5 a- }# s6 V
- e2prom_s_cmd arg;% a3 ?; S! Z, ?$ q" O9 @8 o6 ~
- unsigned char buf[0x18];' y2 {, d- c! U& N1 o& h
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- fd = open(E2PROM_DEVICE, O_RDWR);0 e* N& a: C* D
- if (fd < 0) {
$ {, h9 x5 H* Z - printf("Device %s open error.\n", E2PROM_DEVICE);( U0 q, c* y* w. _+ w
- return -1;
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- arg.sub_addr_count = 2;
1 s" d: f! A$ z8 s - arg.data_count = 0x18;4 d0 w# c% p7 h; M
- arg.e2prom_cmd_sub_addr = 0x290;
6 v4 h9 D5 j$ A4 H2 |1 s - arg.e2prom_cmd_data = buf;- f& b' D9 ?+ c. k9 D$ g6 e u
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( T' t4 B6 H, F0 |7 _; U8 R - if (ret != 0) { L/ f; C t6 S
- printf("Device %s read error.\n", E2PROM_DEVICE);$ u' P1 {! {( P: b$ [( k
- return -1;
" N6 b1 G, B/ t) S6 X - }
( u% C! S2 B$ L6 a - memcpy(mac, buf, 6);/ |3 f4 ~0 v* d$ ]
- memcpy(stbid, &buf[6], 18);3 @; h* c1 \$ v4 p6 T! k0 @9 l* {" y
- stbid[18] = '\0';6 Z j+ X# w& b$ C
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- return 0;# w3 [# {, W& L; ~0 H9 v! [* L
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- static int writeparam(unsigned char *mac, unsigned char *stbid)$ h$ e4 l) @1 z* K$ [
- {
7 d+ _6 O; u" {5 \ - int fd, ret;
2 h0 H0 [: ~( L; d5 H - e2prom_s_cmd arg;
: n q# z$ b& ~' U P/ E - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
" x% ]8 Z* B# S& @. u, b' x/ U! Q - memcpy(&buf[6], stbid, 18);4 c. C% L+ h3 H% U8 X- k1 C6 N
- fd = open(E2PROM_DEVICE, O_RDWR);& `! X% p7 @4 b' a
- if (fd < 0) {) q. l _- h% ~0 r4 x# K+ A
- printf("Device %s open error.\n", E2PROM_DEVICE);
: a! ?9 M0 m# ]7 F - return -1;
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- arg.sub_addr_count = 2;( k. ^/ S" i W' ?3 f: g* W- W
- arg.data_count = 0x18;/ U- n: m3 c5 A/ |
- arg.e2prom_cmd_sub_addr = 0x290;
% H- e( ?9 |0 Q% e* @# ] - arg.e2prom_cmd_data = buf;
$ Q0 d5 N7 I# g* _2 ^" P7 k& r - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 t9 q' Z1 Y3 E - if (ret != 0) {
5 |* Z0 }7 V; E2 {) Y' |. J, D+ _% h - printf("Device %s write error.\n", E2PROM_DEVICE);
6 X& @9 l( Q/ b% {# k, r - return -1;# P* |) H& H6 Y6 N8 O$ X
- }
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- return 0;4 q4 Y! l( a& Q
- }
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- int main()3 H* i; R G& }9 {
- {# b1 \. I/ Q2 \0 X4 }
- char c;. g( g f/ C0 H8 y& f7 S: t6 _' A
- int i, macs[6];8 ~4 i- V1 l9 }
- unsigned char mac[6];
" S+ t1 ~" v' B9 `& G; d - unsigned char stbid[256];( Y9 q% I- q, {$ h4 w1 a6 ?' b
- 9 c( W( d$ O3 F" y, o4 ]3 ~
- if (readparam(mac, stbid) < 0)
) Z1 P- W' J+ ^! U( m, G/ B7 l1 |& c - return 1;
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- printf("Current parameters: \n");: d |" o8 v% T$ I+ _3 x/ s, [, A: D% K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); g! j1 z% Y# X! n8 P2 |/ O/ | C
- printf(" STBID: %s\n", stbid);3 o+ n2 b# `& a4 ~+ u- e% Z3 E
- ' j4 ~- f* R9 L9 z, b
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& K4 U' U& E# M2 K" H, y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 t# T6 q9 U4 q( g2 P& Z - printf("Input MAC error\n");
/ R; c+ C8 d- _. ~: R' c8 E1 q. | - return 1;3 r+ u2 Q( n" Z7 ^) d& D8 m
- }
5 `6 R& T! |% \4 L/ W. R( |0 v. r# _ - for (i=0; i<6; i++)mac[i] = macs[i];
8 _; ~4 F5 \# X - printf("\nPlease input new STBID: ");
, J, V9 O' p! X; y7 M5 p6 e4 N+ d/ x - scanf("%s", stbid);
4 E% ]2 C7 i( e' q2 Y - if (strlen(stbid) != 18) {3 L7 H, B) `( v: U& @
- printf("Invalid stbid\n");0 [0 s- T( p- D8 g2 a, Q3 W
- return 1;, w+ u% j: K8 |$ U! f
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- printf("\nNew parameters: \n");: k$ t/ W# y9 M- F! V, D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 Y! D0 D! N+ T' A2 N
- printf(" STBID: %s\n", stbid);
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; X1 f W# i c+ r5 Q# k$ I. h) f- printf("\nDo you want to change paramemters? (y/N) ");' h& R8 ]! C6 `( O* D: e5 P( W y- ^
- for (;;) {% F, m$ `! R7 B3 m+ E% o
- c = getchar();
/ N* v! `" ] k: w& J - if (c == 'y' || c == 'Y')% B+ w% { Z7 u
- break;, o# V; W0 O5 {' ]
- if (c == 'n' || c == 'N') {% D. m" ^; Y! @/ ?- U, S9 [2 T
- printf("\nAborted.\n");8 T9 Y2 x* e F8 {/ i
- return 1; I0 {8 A( d* j, c# k' U' x
- }/ M: O7 ?1 A. {+ z
- }
# E3 ]: G* c8 M1 Q( X - if (writeparam(mac, stbid) == 0)
" [7 Z# ]6 I3 {# i: K5 K, U - printf("Parameters changed.\n");' f% L" d) `; H8 i9 a
- 8 N& t/ T6 F$ U0 @, N" T3 Y8 F
- return 0;
, Y6 L5 {% i. S - }
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