本帖最后由 0522 于 2012-3-21 23:04 编辑 ' U/ G, H2 Z! b
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修改的代码早有了。到今天不会编译。( j$ k5 ]0 r, n5 R+ B. W }: r
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 ?; P0 j) l9 @8 w - #include <malloc.h>. j% R `# k2 w
- #include <sys/types.h>
/ |- ^ s: d7 J+ L) W2 b) U, C - #include <sys/stat.h>
, u( q( `% A! { - #include <sys/ioctl.h>
! n8 ]7 ]: q' z& B7 { - #include <stdio.h>
; m+ o& w9 \1 k - #include <string.h>
1 M" ~# s; E& w4 C5 w1 \
2 J5 T: g: O! o S- typedef struct {
i. K1 m1 p9 D5 N& e - unsigned int e2prom_cmd_sub_addr;; g6 ?# Y/ A) t# p6 g
- unsigned int sub_addr_count;
7 N; }9 i) m! T8 M; N - unsigned char* e2prom_cmd_data;: ?8 b) h, w3 q
- unsigned int data_count;
% ]% T! P/ q8 x! `1 M( n( S - } e2prom_s_cmd;) ?% w# [) q% K: a$ U- e% O
0 b) L" U# m3 C0 w( @$ Q7 ~/ r2 {- #define E2PROM_CMD_READ 1
& c/ [# W/ S! a O- ?. g+ [' h - #define E2PROM_CMD_WRITE 2
& e6 I4 y" h7 o$ ~; m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 s" f% q. s. u
- - ^9 C2 g7 c- D- v& Y
- static int readparam(unsigned char *mac, unsigned char *stbid)3 Q" @/ H7 j3 i4 D' \1 C
- {% z9 a) c8 ?; Z7 f8 [* K4 E
- int fd, ret;
2 H! G' j5 Q% N6 a) e - e2prom_s_cmd arg;
# R1 G% M* T2 X - unsigned char buf[0x18];+ v" @0 Z& U& r: O+ b# `
) ]4 w+ x. N1 l2 s7 N- fd = open(E2PROM_DEVICE, O_RDWR);
! R, s4 e" L! S6 } - if (fd < 0) {, l' r0 [6 Q% Z+ H" \
- printf("Device %s open error.\n", E2PROM_DEVICE);
0 f$ n5 N6 S! k - return -1;
- i- D8 {- d% x - }
2 E `# a/ M+ Y! O, m# ?, t, Z, g+ f - arg.sub_addr_count = 2;* r+ q+ A, O X; m
- arg.data_count = 0x18;
' A! H& T5 |2 _# E: Y7 d( c3 c - arg.e2prom_cmd_sub_addr = 0x290;
% Z( f4 I* M! k - arg.e2prom_cmd_data = buf;6 g) d+ E) Z/ {
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 F5 x) H6 l& `4 q
- if (ret != 0) {5 A& p' X& Z9 w0 j
- printf("Device %s read error.\n", E2PROM_DEVICE);3 p# B& b( J# p9 E- K3 _3 ]
- return -1;8 }9 ?( |0 _ y% z
- }* y6 F' _0 H* x( U7 {
- memcpy(mac, buf, 6);. d+ ?& b4 G* y
- memcpy(stbid, &buf[6], 18);
! E) E; V, z! k/ G% ~ - stbid[18] = '\0';
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- return 0;+ i* y2 L3 H9 b, m8 S' Z' S* Q0 z; N
- }4 _/ |. V0 I4 {
- 4 j. p( P" x; e
- static int writeparam(unsigned char *mac, unsigned char *stbid)
; _4 I% S+ n" u' m - {$ @- a3 E5 \# s+ K1 {! f
- int fd, ret;0 v" d) A4 `6 Q/ _! ]) J% F
- e2prom_s_cmd arg;* W& ]1 s4 j. L8 E) X
- unsigned char buf[0x18];$ E% K6 S1 S2 x' ~8 i
7 z+ |3 u: g; |2 d4 `0 s- memcpy(buf, mac, 6);6 _& z3 ^4 Z( A9 q5 e7 H
- memcpy(&buf[6], stbid, 18);
& M7 k# I) a8 J0 c: q% H) f - fd = open(E2PROM_DEVICE, O_RDWR);
1 Q$ `! K2 @8 B d; Y - if (fd < 0) {
' h: O. u7 e, H - printf("Device %s open error.\n", E2PROM_DEVICE);
, {* E% @3 h ~" y - return -1;
4 a3 i( D1 u; b3 C2 f - }
9 P% s# k$ _9 D" S6 m - arg.sub_addr_count = 2;
% S7 A9 w. F; w+ Z" _+ u - arg.data_count = 0x18;. I+ S: w- N8 J' M( K
- arg.e2prom_cmd_sub_addr = 0x290;6 N4 m8 ^9 u5 Q( _+ C- X
- arg.e2prom_cmd_data = buf;) O+ f6 E& ~) Z& t
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% [+ T, s. q' @5 } - if (ret != 0) {6 I9 X3 _# O; S6 H9 i9 K
- printf("Device %s write error.\n", E2PROM_DEVICE);
! @: f4 j( z+ D9 Z9 x - return -1;
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- + D9 A+ e* }, \1 x. m3 d
- return 0;
+ b+ v C! i, k, q" w( H/ B& | - }
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- int main()/ x: E6 `- w' U9 y0 J6 z6 |
- {4 u8 n0 s' r( H- d
- char c;
9 S% u5 L! L" X) A# P3 I2 s - int i, macs[6];
# q- c* a# F$ D7 H' t. R' n - unsigned char mac[6];
2 D# E9 n l6 ^8 R4 b: z - unsigned char stbid[256];: w! F& }- n: W
2 C; x# f5 ?/ I- if (readparam(mac, stbid) < 0)
8 C$ r5 H0 Z1 P; C0 D! `* u - return 1;
/ D5 Z8 Q* P) \. M - % [' n: d6 ^, ^) k
- printf("Current parameters: \n");
/ ^2 c* x/ C/ P. B5 c4 G% D" W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& E, `' ]+ q; Q. ^$ b2 V0 O3 K
- printf(" STBID: %s\n", stbid);
; @" J& M4 w' \; L" \ -
( B5 @( W6 S/ J - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% G* h) a. u3 b
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; f3 z6 | H& z- x
- printf("Input MAC error\n");
0 @' U# e0 W& _* Y# l2 z - return 1;( d7 ~8 p/ P, z# u# C' ]0 f5 z+ _
- }/ T B4 e3 Q9 U+ k
- for (i=0; i<6; i++)mac[i] = macs[i];/ u1 C& u; { v& K0 v; g1 B* W
- printf("\nPlease input new STBID: ");
* D L2 p+ e7 N. Y - scanf("%s", stbid);6 ~. e; P' Y5 o& ~
- if (strlen(stbid) != 18) {0 @2 i4 o( T3 K2 z
- printf("Invalid stbid\n");
- k4 ~' T) F( n4 _; s( g - return 1;
0 ?# L+ Y6 ?1 ~- c% b0 b7 ^3 @ - }
2 a0 H% j5 ~& j8 O v7 {; } - printf("\nNew parameters: \n");: T8 {& k0 M# u1 k2 c% K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 g- D: b) d7 N" ^+ Z4 B6 O1 a# o - printf(" STBID: %s\n", stbid);% V9 H$ n5 c( ^3 x+ F* r$ @
- 5 F: a' { {$ _
- printf("\nDo you want to change paramemters? (y/N) ");
# r1 ^# s7 ?" C) Z - for (;;) {
- b6 }7 I4 D/ _6 F3 | - c = getchar();* m& `0 O4 G" b# C
- if (c == 'y' || c == 'Y')
+ T( `5 ~8 |5 A1 y1 A, j9 o" h- J - break;% c3 N4 R# ^1 U% `
- if (c == 'n' || c == 'N') {5 u8 H) @- N5 M1 C1 h
- printf("\nAborted.\n");; n( ^# ], m1 W7 ^+ v* p! j7 ?
- return 1;
( z! F9 B1 [# K( w: `; |- |! @ - }
2 t" D3 u) E3 m, T+ G2 A - }
8 z) ?2 @- x. l7 z3 [ - if (writeparam(mac, stbid) == 0) ' D9 \: w2 n/ e, R$ T
- printf("Parameters changed.\n");4 v, f8 v$ J$ ] U% y& `
- ! _" @' |* Z9 p
- return 0;
. y+ r: |+ N; \0 \8 h6 f, ?+ }0 L - }
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