本帖最后由 0522 于 2012-3-21 23:04 编辑
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; }2 |7 G4 Q; U$ M. c修改的代码早有了。到今天不会编译。9 P. W8 I) R5 e- z0 T1 M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ u/ t4 `; j1 [% M# u4 G* Q1 T - #include <malloc.h>
( E5 X) l' A5 w) n - #include <sys/types.h>/ v* F/ M! T% [# s. h) x9 X( j
- #include <sys/stat.h>
9 O- _3 n; J# n. \9 g! O/ W3 w - #include <sys/ioctl.h>
0 m+ M, W! `- [ - #include <stdio.h>
, U3 @% n$ v$ a5 e9 w6 z, P - #include <string.h>
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- typedef struct {9 m$ E+ l; g. I5 }2 `! k9 c
- unsigned int e2prom_cmd_sub_addr;
s/ {3 A' g1 \1 C2 L5 e - unsigned int sub_addr_count;
- W( X, r) [4 p* e/ W& C1 s: v/ { - unsigned char* e2prom_cmd_data;0 f5 ^- @( p+ j# G) r! X/ w+ t
- unsigned int data_count;
7 ]3 [, N8 E: w4 x# R - } e2prom_s_cmd;0 y8 {' b n8 {8 G$ F3 P2 x% z# t
/ R" p$ F: q) X# g1 c' I- #define E2PROM_CMD_READ 1
# L" g# s2 _! X0 Y7 m7 K - #define E2PROM_CMD_WRITE 2
* `6 z9 n( U) p" F" s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", \$ O- o% l: X
3 d* }9 ]/ [" i& U l- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;+ a% @" r: Z f0 a5 d! G
- e2prom_s_cmd arg;- @$ s; k+ {2 \6 U; I( T& W
- unsigned char buf[0x18];. T' e7 D' @4 k* a2 y/ \5 J: x
- # E0 ?7 R8 S9 k6 i- m G
- fd = open(E2PROM_DEVICE, O_RDWR);2 D L+ a0 Y8 _2 H+ L
- if (fd < 0) {7 b; u+ C$ z" z$ P7 |+ Y: K2 ]
- printf("Device %s open error.\n", E2PROM_DEVICE);5 r0 M c/ a4 m/ n8 H
- return -1;
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- arg.sub_addr_count = 2;
& i4 H# [! S% {3 ]! y& O% K - arg.data_count = 0x18;
: A& W0 I! U2 ^0 X& `% L# E _2 p. S3 ^ - arg.e2prom_cmd_sub_addr = 0x290;& H4 O7 \2 \+ D/ ~1 h8 E2 [' U2 i
- arg.e2prom_cmd_data = buf;) y: R0 B0 i- \4 D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" h: v! ], v9 d5 W, P6 n
- if (ret != 0) {3 w! j0 E$ N9 B3 d' `1 ?) i9 J
- printf("Device %s read error.\n", E2PROM_DEVICE); m$ ]8 C1 i K7 h+ n' `$ w0 x" }, b
- return -1;+ |% ?/ F. g& s' o+ ]6 J
- }4 f9 t5 F$ S0 N6 q9 ]
- memcpy(mac, buf, 6);
* Y O( @9 U9 z - memcpy(stbid, &buf[6], 18);5 m5 i5 j& g2 s3 ?" y
- stbid[18] = '\0';( X& z0 i$ B1 w% g# L- }1 E0 X7 l
! N0 w T$ d3 X! U) d: C: y- return 0;& a; `8 F8 |& H6 v; K* `" S, k
- }
: V6 d: m. U% L8 P5 b! _
/ I; J! v# Y; N; w- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ v) \# Q7 e6 b' J# E - {
! B! M6 b' w% n O - int fd, ret;
* q j: s5 L! c- Z" Z - e2prom_s_cmd arg;) u/ M& R& \' @' U% C# t
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);' s1 M6 u0 R5 |# p, R
- memcpy(&buf[6], stbid, 18);, M# B5 A P, F; ^0 C9 o
- fd = open(E2PROM_DEVICE, O_RDWR);! n3 f' s2 `+ B1 b! C' I
- if (fd < 0) {6 c/ G/ Y a" ^7 c- F3 G
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 L5 l0 O/ O7 r1 S( R# S% F/ S - return -1;
+ E+ X9 m; {6 w; p' C; |5 | - }* `2 O6 X) @: Y! M% `' ^
- arg.sub_addr_count = 2;
% e9 K7 u8 ~/ E8 S1 u; x* ]$ F - arg.data_count = 0x18;
0 ~7 F, R$ r- }$ |# {8 D( E - arg.e2prom_cmd_sub_addr = 0x290;! Y) u ~6 Y* S o2 t
- arg.e2prom_cmd_data = buf;7 s3 `+ R; w3 w$ H! A% Q/ k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: O9 y1 b1 M" b( X+ }" ]0 H' M - if (ret != 0) {. s/ A4 d0 A; Q [
- printf("Device %s write error.\n", E2PROM_DEVICE);. N% ?, \6 Q `! ]2 @" ^6 K4 q
- return -1;
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1 l" N5 O. s4 M4 b- return 0;3 Q, \0 b: |3 A; t: I
- }$ @9 V! O+ R( d5 h1 A7 }
9 z$ ?3 T, Q5 R5 P- int main()/ @* _/ W' }/ a! f h4 T9 n/ Q( b
- {
" H# N& f- Y4 C4 n# A3 t - char c;+ @4 |9 J1 q* r, D: @
- int i, macs[6];
( m2 |9 V: _1 z+ x: \7 v - unsigned char mac[6];
, {4 g% o0 W' O# t - unsigned char stbid[256]; n- v2 K4 @% ~( ?6 k2 Z. G( J4 o
- " G) n; Q2 A0 t5 ?' n5 [" S
- if (readparam(mac, stbid) < 0)
# T& u$ m. n" x9 a - return 1;' A) p, [' N( J6 n/ e# B
- - Y2 Q o( S% K; K8 I
- printf("Current parameters: \n");/ {- J c7 \" \ H p' p$ b1 y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, V; d ^) R* L - printf(" STBID: %s\n", stbid);* K/ K6 P, ~8 J
-
, j. H( E2 ?6 K3 W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
4 E/ V% U" L! B - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {" Q2 X5 ~7 |) l' @$ }: d& F
- printf("Input MAC error\n");
0 v( Y, `7 A+ z- f - return 1;
( T9 G. O! a0 F; K! n - }
- {( y2 ^, ?! r1 D) |9 G - for (i=0; i<6; i++)mac[i] = macs[i];
1 `' z8 f* x& d! i( n" L4 O, { - printf("\nPlease input new STBID: ");
# B z9 T- j2 `# A# L - scanf("%s", stbid);
7 V3 R' f/ ^ _/ I! F% N - if (strlen(stbid) != 18) {
6 b: G# m: S6 j - printf("Invalid stbid\n");% _% t/ v- k( N3 F6 Q. {' X
- return 1;
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- printf("\nNew parameters: \n");4 T* p2 U4 S [2 {) Q) ~& H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 I x, a! I; k$ S8 F4 I& L
- printf(" STBID: %s\n", stbid);& T% D- r# M4 R6 S4 y# e
6 ?: U& A& R0 |- ?4 u- printf("\nDo you want to change paramemters? (y/N) ");
A; o; O! S, h6 @3 Q3 k/ S - for (;;) {2 |( f! W9 d9 Y' e' b
- c = getchar(); e% v( [2 T! w# X* ^
- if (c == 'y' || c == 'Y')( K5 x$ k ` U# l) L
- break;
; n; F! L+ F# {' Z2 X - if (c == 'n' || c == 'N') {$ \, B3 w: Q0 o) v
- printf("\nAborted.\n");
8 z3 f5 X! j; w& M. i - return 1;
% T, D: P1 {. ~0 i. m - }
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- if (writeparam(mac, stbid) == 0)
# k& P1 e/ C+ g4 K( I - printf("Parameters changed.\n");
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- return 0; `* T4 l5 @# \1 w9 ~; m2 [, Y
- }
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