本帖最后由 0522 于 2012-3-21 23:04 编辑
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% t# [* F! G! y3 }/ h3 D1 m& @修改的代码早有了。到今天不会编译。 w2 Q6 |0 y& V1 _' Q2 M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' R; R! y$ O- `; ~. y
- #include <malloc.h>1 q" B8 H( Q3 s5 Y3 r9 O
- #include <sys/types.h>
: E0 ]7 X" C4 f0 P" k, Q0 U - #include <sys/stat.h>' e- X+ P* P, {3 A2 l- J
- #include <sys/ioctl.h>
! J; Z. E# H5 M' v. ~0 ^1 d$ D6 k6 j - #include <stdio.h>
: u1 J9 f' m2 {6 S+ k7 L - #include <string.h>
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3 Y" u9 c* @$ o K- typedef struct {
/ \/ w' h, y$ K; W: ?* ? - unsigned int e2prom_cmd_sub_addr;
* D, Y8 k2 r8 q6 m/ \; f, S - unsigned int sub_addr_count;
' i/ j$ v$ w! [% _8 j - unsigned char* e2prom_cmd_data;- w: B1 V @, r0 V" m
- unsigned int data_count;
' f7 c: n2 a4 t4 T7 k5 [4 X - } e2prom_s_cmd;
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5 t' }1 m; P: h6 X' r: e# B- #define E2PROM_CMD_READ 1
2 x! u$ g7 L5 Q( q X5 P. X - #define E2PROM_CMD_WRITE 2% o- d9 @2 j3 F( T
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' d# c' u- `+ ~$ U) f
- - o/ n2 x8 J$ N& x' ]
- static int readparam(unsigned char *mac, unsigned char *stbid)
6 J4 Q {1 L; D; S6 s* F" S - {
; B! M) \$ O" o. } - int fd, ret;
% }# G# P1 L8 i - e2prom_s_cmd arg;9 W2 r! v Y) M$ s
- unsigned char buf[0x18];
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9 j) E2 w5 B1 f5 N: ?/ c* [! G+ G- fd = open(E2PROM_DEVICE, O_RDWR);4 m1 \/ ?9 [5 M1 R
- if (fd < 0) {( g% u' X A9 C; {( d3 {( I
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 G1 ^1 | M7 T - return -1;; k( K5 M+ P% `) |: O7 ]
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- arg.sub_addr_count = 2;
+ y8 F6 G4 _; F - arg.data_count = 0x18;; \8 [, ^2 ~1 t/ {) w" F
- arg.e2prom_cmd_sub_addr = 0x290;* d2 ^. T. y( w' [) T' y( P
- arg.e2prom_cmd_data = buf;6 T$ l' q0 o8 ]' B9 [
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 j0 S3 c o l: y
- if (ret != 0) {
" v: E: h/ q. e3 K1 V2 S - printf("Device %s read error.\n", E2PROM_DEVICE);6 c- l) i' K% S8 I) i: x" T
- return -1;" o) ^: ^' {' q+ O$ h1 O
- }
- Y! M, g/ T% Y. f* q6 q* g - memcpy(mac, buf, 6);( a$ q/ {" C. [8 v+ W( L9 A
- memcpy(stbid, &buf[6], 18);
' I# n* |& Q: k - stbid[18] = '\0';$ K2 L$ [2 h2 R' F
( L6 y$ \8 @) A8 v. A' {7 w- return 0;
8 B" {! p: q( b/ g/ S) | - }
2 d# s6 l/ ^5 H( d - * W5 ^" ~1 m- _" {
- static int writeparam(unsigned char *mac, unsigned char *stbid)1 L: h+ Z( f! H( z" _& m5 }8 R2 r
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- int fd, ret;/ g) w: ]) E4 P5 J( M6 a
- e2prom_s_cmd arg;3 {" D7 I) \) L6 `$ i0 \3 ?* A
- unsigned char buf[0x18]; [! l! C- s m
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- memcpy(buf, mac, 6);
7 V3 k0 i! [' y. {! I) o( L - memcpy(&buf[6], stbid, 18);
. u2 f$ e1 C: \2 O2 u6 } - fd = open(E2PROM_DEVICE, O_RDWR);
1 i3 i+ O; X2 D - if (fd < 0) {6 T1 b- R4 u; V; ^ f+ m
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 @7 |+ T v0 o; l9 P - return -1;
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- arg.sub_addr_count = 2;. e% N& |( c9 a! E C* ~) t6 Z
- arg.data_count = 0x18;
+ M5 }5 ], _/ Q: u; a1 Q( D* p - arg.e2prom_cmd_sub_addr = 0x290;
% S F8 Q+ A5 P4 Z - arg.e2prom_cmd_data = buf;
7 `- P: p" R' Z! a. i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 v- T7 ^* R5 A/ |9 P% R+ L' B
- if (ret != 0) {1 g& F4 G9 F1 R' K
- printf("Device %s write error.\n", E2PROM_DEVICE);
: e8 B& [7 x s6 Z1 [# x; ~ - return -1;- \8 e T! j, [* o) W( v) l" @
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- return 0;3 h" l8 l+ K" T2 Z; j/ j
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& s9 {0 _( D9 l& r% I- int main()
5 W/ D4 b! A" E! \& ?/ O; R$ n - {
: }7 W0 P, D! N1 O$ z - char c;) s8 ?6 r' H1 Z) ]
- int i, macs[6];
, h/ ]! G& m. N6 ^) J u# Z - unsigned char mac[6];0 a _/ C% b) |: G
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)( W7 U0 j* }: o9 X
- return 1;5 R# u; E7 ]1 z/ C0 ~5 g5 a0 H
: C I. @5 C6 y+ n! E5 e: W- printf("Current parameters: \n");7 }- O0 B* h% x* [* B; b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! u4 A! P& x# I; M& l: z - printf(" STBID: %s\n", stbid);0 Y0 n. F3 i3 |7 q, v( I
-
$ n8 W5 n% h3 m6 e - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. f4 h$ _8 [- I {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 S7 Y$ Y+ X! r6 k/ O7 y
- printf("Input MAC error\n");
2 N# ~: P4 t; T* f# w5 R, t - return 1; Y( v6 \* w2 I$ q
- }
* C' X( \! ?/ w- @# d6 A - for (i=0; i<6; i++)mac[i] = macs[i]; N0 j% [% \3 @ q( H n
- printf("\nPlease input new STBID: ");
! O( W+ \2 _7 o! p( `) h - scanf("%s", stbid);
# r5 v$ Q( ~2 D( J - if (strlen(stbid) != 18) {
+ v* z: @' p# Y% d* ^ - printf("Invalid stbid\n");5 N6 ?1 o( @! T2 e- P- ?, a
- return 1;) P: X$ ^; r* o" {5 K& X& E6 X
- }
" G2 K6 [ Q2 L1 q - printf("\nNew parameters: \n"); d5 T# O: F6 k: O$ |' Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 t8 w8 I; s3 k5 k4 ~% z( g
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
7 [, p$ h# R0 y7 Y+ k - for (;;) {
2 J4 ]$ L1 A7 o4 J: ? - c = getchar();( E7 u; j( N: f, m
- if (c == 'y' || c == 'Y')
! t, p2 w! [9 ]6 M5 {- J - break;& e' H, F3 W; R, `" I
- if (c == 'n' || c == 'N') {
" j) N. K0 M3 r3 |' _ - printf("\nAborted.\n");
; k% q6 }" {/ K$ W. @4 F - return 1;
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- if (writeparam(mac, stbid) == 0)
* B7 P5 x5 M# H* B% t9 M - printf("Parameters changed.\n");
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- return 0;
z9 K) R0 B% t, ` - }
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