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。+ g! d' ?- v I0 T ]$ W/ \. t
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 L0 F3 L5 A Z9 x: y$ K( w
- #include <malloc.h>5 ]# h# f- G/ L
- #include <sys/types.h>8 x0 w' a2 J( X8 p
- #include <sys/stat.h>
0 I: v7 k0 d# x* u - #include <sys/ioctl.h>
! @! B& I; k% f - #include <stdio.h>5 I5 n X# `- N. W1 _+ z7 @7 _
- #include <string.h>
2 ]# D; A( n0 F
8 a5 T( ?1 |+ M1 t" ]- typedef struct {
: }/ _) p L# V* \ - unsigned int e2prom_cmd_sub_addr;: t6 l- i9 e2 D( _( m
- unsigned int sub_addr_count;6 D1 @3 n! S- g" d# f6 C
- unsigned char* e2prom_cmd_data;
" p" }0 [ |% H5 i" G- l* O% D - unsigned int data_count;* z4 n8 ?( E2 G
- } e2prom_s_cmd;
2 ~( x7 x5 _7 ?: L( E+ y: } - ' B4 e8 W7 N. f" E
- #define E2PROM_CMD_READ 1
# ?/ y1 q" @) g* z - #define E2PROM_CMD_WRITE 2
# M: \4 J2 A- k - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 |& K6 q8 m, q5 H/ S
! X. R! O6 Y* o' g2 U9 b1 c- static int readparam(unsigned char *mac, unsigned char *stbid)
+ ~% k7 V v. m" z: o: S! F - {
/ v* H! A; Q/ I# ^5 e+ w. p - int fd, ret;6 w/ w! H9 y( ^
- e2prom_s_cmd arg;
. P! l+ a: K4 U, V; q% _ - unsigned char buf[0x18];9 Y" l! r- u" S! H5 L" a+ F
- ( W& i3 S' L' `- ?+ \. j- C5 q! z
- fd = open(E2PROM_DEVICE, O_RDWR);/ {& x: |+ r) f2 }- f
- if (fd < 0) {* p; E5 @! c" i" F- `
- printf("Device %s open error.\n", E2PROM_DEVICE);
: @: _6 U8 F3 n2 m# o - return -1;3 M- \- O/ h9 f0 W
- }: D% r) H& L. o V- _" u
- arg.sub_addr_count = 2;
3 u; b* v" b1 C4 A* `9 \- \9 z1 e - arg.data_count = 0x18;
4 _6 }% U4 k* n8 {( u' n: Y% L - arg.e2prom_cmd_sub_addr = 0x290;
1 p i& j; r+ ~+ d3 d( g/ ^% n - arg.e2prom_cmd_data = buf;( _+ `3 z" i& a: i
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 O3 o8 t; `3 Z0 y+ ?. k
- if (ret != 0) {2 c- V0 e0 s0 E
- printf("Device %s read error.\n", E2PROM_DEVICE);( o+ j- Q$ A9 C7 @
- return -1;
. J, ?6 U0 e* i& x - }
" |3 m5 k) G Z) h - memcpy(mac, buf, 6);. A/ A9 G) X- k% h4 s/ f
- memcpy(stbid, &buf[6], 18);& F. o( U- D0 R! V- O* g6 X
- stbid[18] = '\0';0 n, R1 n6 e6 _5 O
- ( r& [* y& i( ?" \* I6 D# R9 ~
- return 0;* b8 D! V0 C. g o3 e6 {1 D
- }
6 u( {0 ]) a5 F5 x
2 J% `( p+ ^# T: d( R3 w- static int writeparam(unsigned char *mac, unsigned char *stbid)7 Q) V! i( q/ E+ q2 q0 G2 }! ^
- { V5 Y) k, {0 P9 q% B* `; S
- int fd, ret;) @* j" m6 r8 G
- e2prom_s_cmd arg;$ I( {* e" h2 v5 L y) S+ n0 m. V
- unsigned char buf[0x18];
( m9 F9 m+ Q: j% }
! s: L# Z) K+ n# L X) T- memcpy(buf, mac, 6);/ p0 V2 P* ?: m" O3 |5 ~( I" R
- memcpy(&buf[6], stbid, 18);
" j9 D, z' z* A3 K# G+ s - fd = open(E2PROM_DEVICE, O_RDWR);0 R W3 V7 t4 @" _0 L( `8 `3 Q
- if (fd < 0) {
# w6 H( @( X7 \ - printf("Device %s open error.\n", E2PROM_DEVICE);9 [, _9 P' p! g6 J' v1 K4 j, v6 v
- return -1;
7 l U8 r- J3 i x6 O& ? - }
# B, g# X- M) L+ v: K - arg.sub_addr_count = 2;' s" h, W F/ V5 w: }+ ^
- arg.data_count = 0x18;
T. f7 e9 i, K0 D - arg.e2prom_cmd_sub_addr = 0x290;: E9 k" t; s6 a( U( C7 e! I! Q, J
- arg.e2prom_cmd_data = buf;
6 Z9 l) ~$ s: ~: C- X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 C- x6 s# ^: ^7 E9 Y( O
- if (ret != 0) {8 u. D+ Z2 A4 s6 m6 k
- printf("Device %s write error.\n", E2PROM_DEVICE);
: W _; k, U6 t1 r - return -1;
H" ] p) K3 o) `* C) } - }
- ^- c. m3 _4 z4 V
8 H( V, q' [4 M0 Q- return 0;( k H; I8 Y9 v2 |+ E: B
- }
- H9 r4 ~7 o- O( E% L' t: ~
$ G. M, A# |% i) A1 `& P5 ~! K. B- int main()7 L: ^, z G! ?$ I
- {$ T s2 R7 ~6 T" N8 z6 p
- char c;
) a3 a0 m, |2 T* c2 q+ b8 Y - int i, macs[6];
5 A( Q( Q+ J# E: b' h+ p- p - unsigned char mac[6];
4 q) D3 {' m* L1 x) Q r - unsigned char stbid[256];
3 U- Y q: Q0 q. y/ v - 4 H# I, b9 n t \3 l$ d
- if (readparam(mac, stbid) < 0). ~8 G% B; Q5 f
- return 1;9 K! ~2 x+ [$ l# J6 B' L
- & g$ k. b# Q" c- v: ?* W
- printf("Current parameters: \n");
* R2 W* I- {0 p% [* q% u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ X# ~# O. R$ E' G% y, E1 v - printf(" STBID: %s\n", stbid);
, ^& u9 m( i1 j- }6 R -
! Q/ Y$ _. }$ v* s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* u5 K) A/ g) r+ V - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( u4 P+ I+ l7 `9 S& `9 x - printf("Input MAC error\n");
5 H7 \: p0 w" w, U9 l: N - return 1;
% h6 [- ~2 _* A! B# [: A6 m. h - } q( ]8 k' T+ ?" A
- for (i=0; i<6; i++)mac[i] = macs[i];
f) D3 n/ I1 M. E# Q0 H - printf("\nPlease input new STBID: ");
8 v/ i8 V6 j% N: w- X. B7 z - scanf("%s", stbid);; c% C5 q" v# d# H) f/ g
- if (strlen(stbid) != 18) {' ]) n3 n1 g- R# M! K. g: [
- printf("Invalid stbid\n");) y6 B* v& ~4 k1 t) C: ]
- return 1;* e+ `) F1 T/ B
- }
/ Q8 b: U7 _8 J4 V2 F: D: [ - printf("\nNew parameters: \n");
% {: G7 C8 d8 O7 @0 _+ J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 n2 k5 r. Y0 k8 I& Z6 s7 s - printf(" STBID: %s\n", stbid);
* W& i" t! ~2 `' X/ w - 0 R/ q7 B4 `2 a0 k- }
- printf("\nDo you want to change paramemters? (y/N) ");: e( f3 A. J! O& | U
- for (;;) {' e! D) j! o5 f" E# ]8 C
- c = getchar();
4 M3 t) J: V2 D, M2 [( ]9 E - if (c == 'y' || c == 'Y')* i9 H1 V3 g6 ?6 O1 u' I U
- break;
9 a- }. E4 @" G9 I& _3 k z. B$ _" p2 P - if (c == 'n' || c == 'N') {
" ?- B9 U0 j; I% [ - printf("\nAborted.\n");
- R" T, J, T# W) G0 z% d - return 1;0 _% |7 e! H: h, X$ s! u8 V
- }; _$ ?& \+ N6 c
- }
9 B! a3 b, A% {! T/ b9 Z x: i2 i - if (writeparam(mac, stbid) == 0)
+ s8 v" G/ [2 l/ t& ` - printf("Parameters changed.\n");
- N3 d; c! ?9 ^3 H+ v/ ~
( ?7 O" u b. C. s0 N& w8 o- return 0;8 [! o, N5 I* A9 ^8 t. C2 u/ @
- }
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