本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。& F$ r* F6 o( [) c0 \. _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; }) @9 _# u1 b, k1 b- l( ]' | - #include <malloc.h>9 ]% S$ Y9 B( d$ O) y
- #include <sys/types.h>) L/ O2 Q3 f! ^; v
- #include <sys/stat.h>
7 }! k/ V" _* `9 L - #include <sys/ioctl.h>
6 [9 U; I9 \- ~5 ^" l - #include <stdio.h>
) s# [7 h- m }' i - #include <string.h>
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- typedef struct {
3 p& X# E+ h+ D1 Y( T - unsigned int e2prom_cmd_sub_addr;
" o4 ^& K3 P& p h - unsigned int sub_addr_count;' {% c. v. H9 g5 m7 V
- unsigned char* e2prom_cmd_data;
6 Y6 F3 {( B( g" i' f( n - unsigned int data_count;# a. m% l, t5 h( g
- } e2prom_s_cmd;6 M4 Q% o+ g% [7 L/ Y1 U' L
- $ h9 y8 l/ V" A* Q$ M% o8 a/ g
- #define E2PROM_CMD_READ 1
8 E4 c4 m- |2 `) C0 d, c4 t# o! W - #define E2PROM_CMD_WRITE 2
' z( d4 \+ i8 i - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)% ?, J1 ^" f$ }5 A! w7 M# f
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- int fd, ret;' E- q5 C8 `% k
- e2prom_s_cmd arg;/ K& u% D3 W( {( [) |
- unsigned char buf[0x18];
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& p Q1 L* D K- fd = open(E2PROM_DEVICE, O_RDWR);
m& E1 A. Q7 l2 P) s - if (fd < 0) {
4 U4 D: `, J- E1 T% z - printf("Device %s open error.\n", E2PROM_DEVICE);9 O5 g0 e+ a1 m7 H
- return -1;3 D `/ N) j/ R/ E; v6 e( S: m- f
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- arg.sub_addr_count = 2;* }, N/ {/ }3 _ M8 e! U
- arg.data_count = 0x18;
0 c/ \ p1 ~2 Y$ n% }% w8 G5 ]5 y0 o - arg.e2prom_cmd_sub_addr = 0x290;1 ^ l7 J* Z2 s. t
- arg.e2prom_cmd_data = buf;/ z- ?" M) }& P0 }( }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 o5 R/ \5 i" z( A# {9 M, @$ b
- if (ret != 0) {
# B# H2 @5 d+ b - printf("Device %s read error.\n", E2PROM_DEVICE);7 _( T: Q. d# g4 _/ F, a
- return -1;% Y F1 W g8 t3 Q$ C$ E
- }
; Z, i2 s! M4 Q - memcpy(mac, buf, 6);* r, U& X- K z! \8 z$ ]
- memcpy(stbid, &buf[6], 18);
+ `7 q& L; V" D) I" c W5 X - stbid[18] = '\0';
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$ R' F ]: e' g, B: j! Z! J- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' B4 M H; R( G7 q% E0 y - e2prom_s_cmd arg;8 }- _" v% r+ S/ O; k# u1 P# `
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);4 @* \ x. h: ]8 o- w8 q; r _
- memcpy(&buf[6], stbid, 18);$ n5 ~8 O l3 a
- fd = open(E2PROM_DEVICE, O_RDWR);
3 S( H L2 F' G - if (fd < 0) {
9 d6 T' b" G6 @' X - printf("Device %s open error.\n", E2PROM_DEVICE); G0 C6 d& a3 q8 f
- return -1;) o" I: G0 ], [, _0 U R
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- arg.sub_addr_count = 2;# e4 b* o8 v) ~
- arg.data_count = 0x18;. U4 C+ i. U# i9 z/ V, C4 A; ?
- arg.e2prom_cmd_sub_addr = 0x290;' P O" I" ^/ a7 t6 M6 x
- arg.e2prom_cmd_data = buf;
* Z" c% T4 v$ o% x& V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);3 Z# _* N* k! z
- if (ret != 0) {; s) g0 s) Q# n
- printf("Device %s write error.\n", E2PROM_DEVICE);, |+ I3 P) h5 {- x' z
- return -1;$ g8 x/ [8 i- I: k, y% [' o
- }
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- return 0;
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- int main()
/ \# H4 E% K( f# l" ` - {0 V6 A p, @9 K9 y* I: C7 {
- char c;
! J6 I" e! b: T+ P. ?6 R( t - int i, macs[6];
$ z6 N# Z+ C" f1 T( v% t - unsigned char mac[6];
% I6 x% X6 X/ c - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)+ \4 M5 F, v' p5 }5 }0 v
- return 1;$ ]& {$ L: r/ Q: h1 ?! q: V
' w$ u/ g# J1 f- h+ w3 j- printf("Current parameters: \n");
$ E/ e, p* D \* L5 Z4 L6 i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, L$ k# M& ?) g. w
- printf(" STBID: %s\n", stbid);
$ \* d0 m. P9 y; u/ E B6 U -
5 ?9 V$ Q; R) @. x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ F- I% h! S- c" x) l3 G
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ {3 {3 I; m* M6 j% H# g% I - printf("Input MAC error\n");5 T! E/ n, Q9 _6 e
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];9 r$ K( H/ O' V7 `# }0 z$ g0 p) x
- printf("\nPlease input new STBID: ");
6 B& c0 Y. ~' v3 z - scanf("%s", stbid);: c! F. l6 T) {: T* ]
- if (strlen(stbid) != 18) {5 L. } x1 V7 c! K
- printf("Invalid stbid\n");- O* p' a2 Q y) F# [& b! x
- return 1; s) |4 M, [- U3 @, P5 [+ e x
- }! X) i \* ~ Y* }
- printf("\nNew parameters: \n");
% K4 p- ^8 R! z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# ~1 R, A# u) V - printf(" STBID: %s\n", stbid);
% K/ D2 R+ U3 ^
, i+ g# W( h/ d1 \) g- printf("\nDo you want to change paramemters? (y/N) ");
1 [* ?2 a" R6 i4 G' }3 @# | - for (;;) { C( V0 L( o) N; X, ^; t* ~* x7 ]
- c = getchar();0 ]( q, P" o2 k4 j6 O7 E
- if (c == 'y' || c == 'Y')
; ^/ ~4 @+ z' h' e8 T - break;
2 ]. j& \. {5 |0 z+ ?, F - if (c == 'n' || c == 'N') {4 N! C' ~8 z* G9 ^: z& \3 y
- printf("\nAborted.\n");! Q+ _/ P8 C2 x
- return 1;
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- }
+ d8 X, p; y8 a& L6 p) V - if (writeparam(mac, stbid) == 0)
3 n" I k0 ]' U% i& r - printf("Parameters changed.\n");$ N& }! ]: W! U$ @+ e
! w- I0 G0 c( \% R% i) O- return 0;
, L. g8 Z; F2 `& V4 z - }
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