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。
6 r! N9 X, e9 {) A3 ~9 M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 \1 v. w3 h( N5 Y/ K - #include <malloc.h>
q a6 G: S) e3 a3 f( z( z' B! h, z - #include <sys/types.h>
5 o: [8 _3 ?& F - #include <sys/stat.h>
3 S* _# M+ S7 u5 Z - #include <sys/ioctl.h>
: d% j! e$ l( {( } - #include <stdio.h>2 g0 e2 {5 {+ j+ c" C X
- #include <string.h>+ [% O. k; T" w6 M% l# i e e
- 5 p/ _9 t, H: z8 h; Z! i
- typedef struct {2 _' C$ A/ b! f3 n' h
- unsigned int e2prom_cmd_sub_addr;
+ b8 _; a0 D8 D5 ]( ~: _ - unsigned int sub_addr_count;# l1 ]( J" F: I/ n# S s) X
- unsigned char* e2prom_cmd_data;3 H6 E7 m9 i7 B
- unsigned int data_count;3 ~9 i8 r" A4 p
- } e2prom_s_cmd;
5 n9 ]& _7 b# |) R( a - 0 _3 w6 l1 I' L# |- ^
- #define E2PROM_CMD_READ 1
( u8 L F- k+ O' K) K9 i - #define E2PROM_CMD_WRITE 2& a* h1 Y7 B. c7 E
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' u$ V, E* W/ b9 W$ V
7 p8 T: R* |5 [5 w* V+ k- static int readparam(unsigned char *mac, unsigned char *stbid)
$ ~+ b2 W/ y# s, m: b! S0 m1 d - {
% P y! Q! a8 G/ b& t( o1 M - int fd, ret;6 M! k+ Z4 U3 I3 c, m
- e2prom_s_cmd arg;" S$ @5 H! B: M$ b4 ]
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR); B; a, j: }3 f, h: v& v* i
- if (fd < 0) {
3 Y& Q" r: Z3 K% S4 R6 y - printf("Device %s open error.\n", E2PROM_DEVICE);5 [9 O% K. j1 ~' s
- return -1;
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- arg.sub_addr_count = 2;
0 T m4 v" p) g3 U3 a - arg.data_count = 0x18;
8 w$ I2 [) V" l7 t8 R z$ K# z - arg.e2prom_cmd_sub_addr = 0x290;
* ^! G) v& h( q! }' K; L* t" W - arg.e2prom_cmd_data = buf;( I, U4 l1 O7 f/ a) v$ D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
5 H# ?& D4 T( R% n2 O/ c( p - if (ret != 0) {
# I; c4 Q' }7 D9 n7 N$ B - printf("Device %s read error.\n", E2PROM_DEVICE);+ p! Y% I0 J" k2 ?
- return -1;
2 z6 T: X1 M: A$ Q3 C# h( n - }3 g0 `: Z: ~. }; c# c/ u1 S
- memcpy(mac, buf, 6);
; O* e# U8 C" G5 H - memcpy(stbid, &buf[6], 18);
; `& h- V( Y8 b0 B+ w: z' D - stbid[18] = '\0';+ M I3 Y' ~$ I+ H4 e l2 z
) b$ n0 K# q1 n" O. s& v, D- return 0;
# S! S& I) U5 d& P& A - }7 R; Z) g* I- n) t+ e3 r }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;* B5 k! |5 x! F: F& B3 `! t
- e2prom_s_cmd arg;
' D& O1 z+ G- ~" Q* @ - unsigned char buf[0x18];* f% a' l5 f9 `5 [& Z- {5 s
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- memcpy(buf, mac, 6);+ E! m/ @7 d8 q+ u. p' W
- memcpy(&buf[6], stbid, 18);/ d; O1 h9 K, C! {$ |( n8 } n
- fd = open(E2PROM_DEVICE, O_RDWR);5 J- E$ f: v. U! c4 ^/ Y0 `
- if (fd < 0) {
/ J* e/ H' A) X! Y- R0 k! {; S' k - printf("Device %s open error.\n", E2PROM_DEVICE);
* r" w6 s) K1 O% r) N! I - return -1;
* C2 o; t; E: N: ?! @7 ?8 i7 ?& l - }
q, T8 H; C0 X7 v( d8 q4 { - arg.sub_addr_count = 2;6 R' b3 O& x7 Z# ?! Z
- arg.data_count = 0x18;+ P! M" _4 Q$ w+ ]/ w
- arg.e2prom_cmd_sub_addr = 0x290;
% A. }/ R/ h$ T* n m% P - arg.e2prom_cmd_data = buf;
+ y X* }2 n1 v. t8 s* z9 v% s4 T+ l - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 F4 H& g% N5 @$ f, J X$ G
- if (ret != 0) {% P# ]( ]2 n3 V2 Z+ N; {% c2 U
- printf("Device %s write error.\n", E2PROM_DEVICE);
; s+ E: |+ \4 ? g - return -1;
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4 @) M2 Q0 }* U+ H- return 0;
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8 \$ \0 K0 d9 z4 f0 Y2 p5 _- int main()5 H6 e$ v' H3 c" q
- {2 I) q( j; F5 s; x
- char c;
5 y2 C: i; P$ B4 H7 F7 G' y - int i, macs[6];/ a2 A5 m' z2 M2 H
- unsigned char mac[6];
% ]' @& j5 @3 W - unsigned char stbid[256];: s* C* d2 z! q: V6 I# k% z; {
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- if (readparam(mac, stbid) < 0)( h5 @7 h; { }
- return 1;
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- printf("Current parameters: \n");! ^! U/ Y, x; E; D$ y& E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ q1 t1 D8 R( v - printf(" STBID: %s\n", stbid);
4 `. p; [" l/ D: E -
/ U& d0 M) N, s+ c8 c - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( Q( `- S' ^; S! @0 r- A. X8 v& X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& o! A @# P9 Y0 l7 |/ T8 j- P - printf("Input MAC error\n");5 J0 t; k" ?3 i$ @
- return 1;5 D* E- S( a3 J* Z9 o
- }# D1 b5 y2 W7 h5 k8 M, p
- for (i=0; i<6; i++)mac[i] = macs[i];
3 B# Q) c5 ]( A1 u0 ` - printf("\nPlease input new STBID: ");
# l0 V3 l# b6 d( r4 X - scanf("%s", stbid);
: ^" R9 A& }* s( ^' V7 A - if (strlen(stbid) != 18) {2 N) w* M0 W* ~* j0 {, }6 z
- printf("Invalid stbid\n");- w: H' u1 n/ X% A T/ s6 N
- return 1;( {+ z6 j2 I( \+ a' N
- }
2 S* H; z( j, ~( c% y& P& N3 t - printf("\nNew parameters: \n");
; O. ~, E' G# @, N" l2 O) X& U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. b4 l, A! z4 }' C
- printf(" STBID: %s\n", stbid);
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- a# Z6 Y3 g4 y7 r8 g2 N- printf("\nDo you want to change paramemters? (y/N) ");) g2 h; `& G8 H6 V
- for (;;) {' i. y% |/ D, O" J
- c = getchar();
" q1 X5 J( G! ?$ ^, _ - if (c == 'y' || c == 'Y')$ s) F3 s4 w/ ~/ {6 j2 F
- break;/ l; N$ P6 E" e4 ^. Q8 ~0 U9 w
- if (c == 'n' || c == 'N') {1 \/ t9 J- T) ~5 |
- printf("\nAborted.\n");/ s: K& F0 {; E$ X( b b1 H
- return 1;/ |: u. r5 [* e4 D3 c- Z8 }9 J1 s
- }
8 c. O# p9 x4 {/ n1 ~ - }
8 q# [6 E+ q) a# s( S2 S; ~1 i - if (writeparam(mac, stbid) == 0) + e! ~4 Y9 |5 U' E; m {: O
- printf("Parameters changed.\n");
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' w# J8 \2 V3 m6 v- return 0;
$ S) ^/ v: D7 f& X - }
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