本帖最后由 0522 于 2012-3-21 23:04 编辑 : {9 ]/ W4 p ^$ m1 @
) e$ F0 o& v2 ?修改的代码早有了。到今天不会编译。: v: v# ^+ F* w! F; S$ }' c) s3 X
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- ^# Z! F( j$ T - #include <malloc.h>6 \# ~8 D/ x: L5 Z: o4 `7 D+ |
- #include <sys/types.h>
5 t6 ^0 N \1 S3 |8 ` - #include <sys/stat.h>
2 }9 o) k3 b# S0 y+ k X - #include <sys/ioctl.h>
5 K: y' e. s: x ~& H' N& ?4 g3 W - #include <stdio.h># U! | c" ^9 D
- #include <string.h>( V4 R; X. w+ } C$ W W
! `5 \, f( Z9 o1 o B- typedef struct {$ i$ N Z. e4 S3 T
- unsigned int e2prom_cmd_sub_addr;0 M' @7 M, C, k
- unsigned int sub_addr_count;
2 @9 A$ X4 e E3 I$ R7 ] - unsigned char* e2prom_cmd_data;2 o! l' i& t4 v
- unsigned int data_count;8 h, _8 k. s& h2 O
- } e2prom_s_cmd;
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) c: F! C) p- _. _- m1 w- #define E2PROM_CMD_READ 1' k' [5 Z' e9 r/ R) K- U( X
- #define E2PROM_CMD_WRITE 27 d& Y2 n/ G# p4 r+ U
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ y$ C* a$ E0 w4 w# G! }7 O0 b8 ^
; m& f V( c% u, {% v- static int readparam(unsigned char *mac, unsigned char *stbid)5 B+ o1 u* m1 j7 d/ h3 h
- {* z+ e7 s1 X5 t7 c
- int fd, ret;
& V1 R9 ~% K U1 | - e2prom_s_cmd arg;
9 @# [ d7 A2 h( l/ S+ A5 g - unsigned char buf[0x18];( W+ t; a p- r8 x( ?
0 {2 i$ g: t8 l# q2 D- fd = open(E2PROM_DEVICE, O_RDWR);
4 d) O) e) z1 l5 q2 @- ]% H+ Z - if (fd < 0) {* V1 S9 Z4 ~$ e" T" ^
- printf("Device %s open error.\n", E2PROM_DEVICE);; D; T2 M+ J/ q2 H* C
- return -1;
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- arg.sub_addr_count = 2;* _. R5 g3 l: A6 s' Y3 p) W( w
- arg.data_count = 0x18;* I ]1 d+ o% q. Q9 R$ |
- arg.e2prom_cmd_sub_addr = 0x290;
. j u% }$ g- V( g4 t8 g0 t - arg.e2prom_cmd_data = buf;: ]7 C6 N: z- |$ F) `7 Q! v* P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 V% `0 ]) K$ }8 e7 @: e5 F5 }! g - if (ret != 0) {
) e5 \- z/ D0 d - printf("Device %s read error.\n", E2PROM_DEVICE);
3 q! Z) [* O" K4 w2 t& A3 g/ S6 E - return -1;+ ?' R0 Q% q$ F
- }/ G/ n/ x) c: A/ e c& K$ g1 h' n' A
- memcpy(mac, buf, 6);8 q! C& T" N! ~5 H
- memcpy(stbid, &buf[6], 18);
4 A: P7 V! [1 I- V: n - stbid[18] = '\0';9 @6 j. g& C8 Y% E9 O9 Y
# V8 i; \+ p1 S- return 0;$ q: F: U# N, y. p* I
- }
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% l9 n0 d+ e0 a* _9 [" {# _9 P- static int writeparam(unsigned char *mac, unsigned char *stbid)/ @; {' S$ G- ]% X
- {1 U2 p3 W5 @% I) h" P
- int fd, ret;8 ?+ l; Q$ \7 v2 j0 D9 D4 C
- e2prom_s_cmd arg;
: j6 P2 h# |* g) L; j - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);: Q" @: y! t: [ G
- memcpy(&buf[6], stbid, 18);
% Z0 A4 P7 T( ~! b1 O1 j - fd = open(E2PROM_DEVICE, O_RDWR);" E- E3 F; m: Y. m
- if (fd < 0) {; E) |% T9 p, N/ x: l" J9 |2 L/ s
- printf("Device %s open error.\n", E2PROM_DEVICE);8 D- R) m* l9 |$ h2 y$ c
- return -1;8 k+ R. {, K' K# X0 q
- }
0 M1 l! Y$ Y1 S- Q9 a - arg.sub_addr_count = 2;/ k+ |- l" D; L* _2 E0 ~ V. t
- arg.data_count = 0x18;& t( E! q9 ?- l% l d
- arg.e2prom_cmd_sub_addr = 0x290;5 a$ c% T3 q$ l% g
- arg.e2prom_cmd_data = buf;
( B0 Q! P; }/ o$ f( |; q- J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 x3 R% {4 Q8 n: r1 E; C+ K
- if (ret != 0) {8 Y- ~ s. d# l+ D5 E8 F2 v! _
- printf("Device %s write error.\n", E2PROM_DEVICE); q8 \$ ^1 E3 O: o8 W9 s
- return -1;7 R9 p& P5 a% T- k* j; q" b* T2 K
- }: }& e: M) K6 D0 ]4 c
- 3 |6 M: P+ ~9 j+ w4 ?) }
- return 0;; g2 L$ i) G/ Z3 ~
- }
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- int main()( i# d5 e8 `# P3 w' h
- {- s) X7 _1 ?) z9 s
- char c;! W) P- v! Y: B
- int i, macs[6];7 M' L4 s4 |4 W' D
- unsigned char mac[6];& ]; V- @4 j4 _0 \' E
- unsigned char stbid[256];
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C4 P8 j$ w% r, x% K$ U7 X- if (readparam(mac, stbid) < 0)) j3 B4 Q: n% y- z& U9 M- B
- return 1;- D. P. S& \ R) Z* g! a
4 f/ @& S8 j b- printf("Current parameters: \n");0 C& u' `. L$ ^! |: A( a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% ^- S$ S5 g; J" M
- printf(" STBID: %s\n", stbid);
# [9 D3 q. T4 ?. ~5 A. R6 V$ U -
! S5 H( u! ]! ~ D4 K2 ^ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ ]9 f q5 x$ X9 Y c5 c6 } - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ c1 Q2 u C' v+ k2 G0 _# n - printf("Input MAC error\n");
" r& q. q* W4 F1 r* p - return 1;
3 U+ s1 g0 g7 a& d$ o- d - }
9 X# |8 r* O0 z2 k0 j) z2 | - for (i=0; i<6; i++)mac[i] = macs[i];
~4 a3 [+ O1 g$ e - printf("\nPlease input new STBID: ");
' G5 V* \4 V' ?2 ]1 y - scanf("%s", stbid);
0 |- |6 @" s7 |3 m( w3 p s* \ - if (strlen(stbid) != 18) {/ F0 m8 F% a/ H; c: B9 R: Y
- printf("Invalid stbid\n");1 X6 G( U9 w4 Q% }5 T: o, {- ~! o3 H
- return 1;
- Y8 L9 `+ q3 c% v - }. P+ y ?2 ~( y2 {& m1 R
- printf("\nNew parameters: \n");
" N1 l6 T- ]( q( |# G: g8 `# ] - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' l6 H- K4 S/ m3 A: w - printf(" STBID: %s\n", stbid);5 V2 ?8 W1 ]) j4 ~5 o3 Y
5 C- p' N E6 ?- printf("\nDo you want to change paramemters? (y/N) ");* n4 }7 J: N0 n7 l. g4 e
- for (;;) {
4 i) K1 B& R6 V - c = getchar();) v) T, ?. U6 E( O0 T* b' i4 h& K
- if (c == 'y' || c == 'Y')" ~5 k3 j# R: R( \
- break; h" f- K7 I$ G. ?, s
- if (c == 'n' || c == 'N') {" z1 J% t+ D8 ], _3 [% `
- printf("\nAborted.\n");
5 c; }3 y% e, [% s - return 1;3 s8 q* |& A$ I# [8 j, B9 C
- }
$ k8 v. d+ f$ b3 T$ n9 E - }
, _7 l. G' K% Y- h* r" R+ L- K - if (writeparam(mac, stbid) == 0)
! p9 b* X8 f* F, b$ \2 A - printf("Parameters changed.\n");
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6 Z, }' ?4 l$ g- a8 U5 y- return 0;8 @) M$ a$ F) ?' O0 f& W
- }
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