本帖最后由 0522 于 2012-3-21 23:04 编辑 * H* U) g) U/ }: \* W2 i
5 y5 k: k# u2 x7 z @$ e" \修改的代码早有了。到今天不会编译。; a3 ?' ?% |: E U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) M4 C! i- q7 q" u. I! v - #include <malloc.h>% e7 k m% K7 l
- #include <sys/types.h>$ G8 `/ h# j5 z0 k
- #include <sys/stat.h>. s- i+ X4 `/ S% b, H( k2 `8 B' p: l; x
- #include <sys/ioctl.h>* R( ~' H9 i& ?7 u; o
- #include <stdio.h>( A. e- J/ c2 D
- #include <string.h>$ S1 h5 u( [+ K, K6 U! X
- `2 }+ z* G! g
- typedef struct {
- u8 s- n+ h( l$ S1 W - unsigned int e2prom_cmd_sub_addr;
) j) S* u+ E' B - unsigned int sub_addr_count;
' x- }+ ^; Y2 Q2 [ - unsigned char* e2prom_cmd_data;% _5 t- s3 \. R2 L6 E3 r
- unsigned int data_count;7 L4 y% p3 Z0 X- I% _
- } e2prom_s_cmd;7 U/ ]/ k$ C# t3 S0 H
- 6 h8 T& w, A- B4 Z; ?
- #define E2PROM_CMD_READ 1
$ J8 l7 C! v" Y! b# ? - #define E2PROM_CMD_WRITE 2
* N" S1 X, ^2 D7 T4 z' K - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 P& d; y& \- y/ T
- - X5 R0 Q7 l) O- l0 U" i4 h" D- ]
- static int readparam(unsigned char *mac, unsigned char *stbid)
; E( n* n4 q2 R7 A% I0 Y - {
# e* Y7 p, J G8 z - int fd, ret;9 ?2 W9 X) ]9 y# @
- e2prom_s_cmd arg;
6 f2 L" i! x1 ^ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
& t* n5 D8 X2 N! O+ Q - if (fd < 0) {
* P7 m5 ^4 }* k - printf("Device %s open error.\n", E2PROM_DEVICE);5 G) X8 X/ f8 q/ e3 X$ M a' |
- return -1;
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: _: [; t) }4 H" m; m* l! Y. I4 J - arg.sub_addr_count = 2;( t7 H8 ]/ i" W9 {' e; _2 }0 P
- arg.data_count = 0x18;: s F3 c' p$ r5 n% d
- arg.e2prom_cmd_sub_addr = 0x290;! j0 L* d, o1 T7 y
- arg.e2prom_cmd_data = buf;
; h5 _$ ~$ Q Y" y9 O' c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% z) T7 S5 Y4 J6 ?- |1 Q( B - if (ret != 0) {
" D5 ^2 V3 G5 ]3 S4 {3 N2 N5 { - printf("Device %s read error.\n", E2PROM_DEVICE);
& v2 e% m- p) y# ] - return -1;
r: o/ d3 {3 s+ {2 r - }* {- m9 B3 `/ {7 {
- memcpy(mac, buf, 6);
5 l% m h% F6 H0 J! D - memcpy(stbid, &buf[6], 18);
7 k# L5 C. u' [1 s0 P - stbid[18] = '\0';" t( I! |3 F: P$ a
+ j" @; Y3 j% w- return 0;
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" @$ [0 d8 J1 ]0 L, R) A; H* N- static int writeparam(unsigned char *mac, unsigned char *stbid): C9 b7 x" k% |+ x. D
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- int fd, ret;3 ~( T1 Q8 i. R7 u( W
- e2prom_s_cmd arg;
1 H) q$ B0 F) \% G - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
- x+ X& n0 ^3 w9 P1 r; f! ]/ e - memcpy(&buf[6], stbid, 18);
" n: |% }5 m% D5 h1 y - fd = open(E2PROM_DEVICE, O_RDWR);; x) t3 [6 U4 J) \! W0 A
- if (fd < 0) {( {; @0 F: G3 C
- printf("Device %s open error.\n", E2PROM_DEVICE);
6 F' ~# f: c0 p+ K2 M. g - return -1;
+ c5 f; b! h* a h0 y& j* C3 N u - }
2 c# {* K) h3 [! V1 J* { - arg.sub_addr_count = 2;, \- e8 C2 t$ L% d m
- arg.data_count = 0x18;( k: t, I& y( B
- arg.e2prom_cmd_sub_addr = 0x290;
8 j$ o7 Q( H( q, V6 j - arg.e2prom_cmd_data = buf;
! T1 y0 Q0 C( K" U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 O: V: i ]0 t - if (ret != 0) {8 [/ w s% {7 @
- printf("Device %s write error.\n", E2PROM_DEVICE);
$ _" U% e. }) R" M* r4 V7 s9 M; ~! s; e - return -1;
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- " S! n/ N: m$ D" F' n* x9 Y4 @$ }
- return 0;
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/ c& a) r5 ?/ ]" B6 k$ F- int main()/ N( F+ U& j" T7 {2 N
- {
+ R9 r g1 W& |% i - char c;
# f& A4 A- B* M. P' U - int i, macs[6];$ W+ s( ~ c; C4 _: T8 r+ N! Z+ t
- unsigned char mac[6];
- b, G9 o$ K& p/ }0 |: C# Z. @# r7 ?: h - unsigned char stbid[256];, B0 U& q0 U' |% x, n" G' y
$ r8 g/ s, v7 ^' U: n7 H, g- if (readparam(mac, stbid) < 0)7 ~4 g# K$ @% s& v0 C4 {
- return 1;
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- printf("Current parameters: \n"); H6 B) d7 {& S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) o+ T: j1 A- H
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 X: j: t( V& {; g) G, B2 \2 o+ w
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 ^3 n: A8 c) f# X1 U: f - printf("Input MAC error\n");/ g" ?& U+ s7 T. A
- return 1;. V1 x( y5 V; U" Y
- }' Z3 d A) ^& z1 g- I2 C0 \) N
- for (i=0; i<6; i++)mac[i] = macs[i];
! F5 i: `! `$ [ - printf("\nPlease input new STBID: ");' ^9 F: r, s% |; M4 @/ ^' a
- scanf("%s", stbid);+ H- A- e. b3 [3 T& j& X
- if (strlen(stbid) != 18) {
6 U+ z% V; q- m6 r - printf("Invalid stbid\n");
# B$ L( U- o! p, w - return 1;
0 e/ v2 }/ l! Y4 U% M- ~+ p m - }
% R5 K: K R1 P$ R2 U( t) s* o - printf("\nNew parameters: \n");
# N7 g; b: N5 d q/ { - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 H) n0 ]9 H D; j2 O1 R - printf(" STBID: %s\n", stbid);1 c5 u! E! R6 b3 U" m- a4 T6 f N
) f9 G% B# F8 @" Y' o$ z- printf("\nDo you want to change paramemters? (y/N) ");
; a1 X3 L: d7 h$ P( a - for (;;) {$ c7 u/ o: A/ E. ^) l# D
- c = getchar();
. S3 t- a/ Z* a9 y7 q - if (c == 'y' || c == 'Y')2 k' F' q9 z. p& W: U
- break;
3 ]% M \: p4 V' M: e: |6 Q - if (c == 'n' || c == 'N') {
% ?# I s& M! X/ V6 c9 Q7 y - printf("\nAborted.\n");
( b+ N! l+ [# X8 G9 {: C5 O* } - return 1;
0 X& u: a& i3 J8 ? - }
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- if (writeparam(mac, stbid) == 0) 9 t/ S$ q9 W( T" z# l
- printf("Parameters changed.\n");/ ~, F5 k- c) l7 J* K$ A. R
" A4 `& u3 o2 J. q0 m5 w8 s- return 0;
$ W: l2 m4 g7 p9 c5 Q# F4 ~ - }
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