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。
2 C$ L d) Y; s% \: t8 J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 |- v6 P5 @* C% g+ W$ o+ Q( B - #include <malloc.h>
+ a6 G# r+ s% u- J6 C% F& Y - #include <sys/types.h>
% B5 L. |& A$ E s$ V - #include <sys/stat.h>0 N" x# O5 A3 B# I& `& V
- #include <sys/ioctl.h>5 s& p) J* X& X# K4 S
- #include <stdio.h>4 j' R b" ~# A% m3 L9 A# ~* b
- #include <string.h>
; U5 E: c% V6 G- K0 y - # J2 q- `7 {" g: z( T- `' A9 k% R
- typedef struct {
- A5 O4 G: T9 L7 L. H" _ - unsigned int e2prom_cmd_sub_addr;
! }( [6 u+ t; F# n8 q - unsigned int sub_addr_count;
6 z6 s, _9 z/ z( R) o2 _ - unsigned char* e2prom_cmd_data;1 V7 n* U8 t- j. f/ V: ?1 J
- unsigned int data_count;
; x6 e8 H' J ` - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1/ T' f) X2 u* Y+ e7 p$ I
- #define E2PROM_CMD_WRITE 2
' Z2 |$ E, I! h5 g8 r6 ^$ r - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
0 Y2 z8 P- [ Z' g: n) D( U - e2prom_s_cmd arg;
' z5 j( p2 ^1 h+ A - unsigned char buf[0x18];- N. j) Z5 f9 `
* F2 @+ N# z8 c' A- fd = open(E2PROM_DEVICE, O_RDWR);
/ z3 ?8 J2 i6 I - if (fd < 0) {
+ K: M) g" ]- G* D* e$ q; X% y - printf("Device %s open error.\n", E2PROM_DEVICE);
2 W0 _! ~( g9 K4 A3 T* u/ M5 M2 t - return -1;' W; {- _$ M, z! B0 k0 w9 P) _
- }
* j9 q7 [! a2 k7 _" F/ b" b: W - arg.sub_addr_count = 2;% |7 x; O/ \4 s8 f$ E
- arg.data_count = 0x18;$ F+ W8 @' b6 }* d
- arg.e2prom_cmd_sub_addr = 0x290;
7 a* z2 r) H$ T# b - arg.e2prom_cmd_data = buf;, M' [- S: W: J+ O, ~" r
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- J4 n8 }8 u8 D4 m; L - if (ret != 0) {. Y u! l7 V6 c s( j4 ?; f
- printf("Device %s read error.\n", E2PROM_DEVICE);
* N/ k/ i& T/ P) H$ e5 S - return -1;
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- memcpy(mac, buf, 6);* M: O' g. P) w3 B! p" G9 S' e
- memcpy(stbid, &buf[6], 18);
- r4 {9 b V0 o; W1 T$ u1 ? - stbid[18] = '\0';- H( X5 M% o! |4 |9 L1 P1 J
! @& X7 p( G' I" B( R' M- return 0;
* [$ M, X: p z - }
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- [: |0 b9 O( D6 z# d- static int writeparam(unsigned char *mac, unsigned char *stbid)5 ?$ e1 } i" V" G# E$ |
- {
! J+ u9 z6 O. L' i - int fd, ret;
) {- P5 D; ?: I* ?0 p( K - e2prom_s_cmd arg;* ^/ a# y, I4 A$ U3 H# k) n+ `
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);9 Q* U9 O! B+ |6 h: S
- memcpy(&buf[6], stbid, 18);2 B1 g. R! @8 l3 z8 I' S' U
- fd = open(E2PROM_DEVICE, O_RDWR);
/ j0 A$ h8 u& u6 m4 q3 `" S# _ - if (fd < 0) {) P7 @* J1 D) ~* _ W9 V
- printf("Device %s open error.\n", E2PROM_DEVICE);' A( I6 o5 O$ g/ ?3 H) u
- return -1;5 T% E/ Y8 A/ b/ U& W9 I' B, P
- }1 a1 \' [9 X# @
- arg.sub_addr_count = 2;+ `+ I: ?8 Q& ], r9 l
- arg.data_count = 0x18;. `0 h( \) U x8 ]9 D
- arg.e2prom_cmd_sub_addr = 0x290;
S* P, q3 g8 b8 x4 S" g7 A - arg.e2prom_cmd_data = buf;& y+ ]3 Z4 t$ F
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! a1 d) `4 a; J+ I3 M6 x5 U - if (ret != 0) {
2 h" w. v6 H' |; Q! _ - printf("Device %s write error.\n", E2PROM_DEVICE);
4 S, I# Z% j9 ^7 x: h; [( G - return -1;3 m' J/ T. ^( L7 |1 B: R6 l1 d
- }
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' P( B3 K: g" E- return 0;
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3 k1 _" @ n# {2 A3 j5 q- int main()
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- char c;/ ]7 B$ b4 u f
- int i, macs[6];3 v' o8 A0 N, u. C: J
- unsigned char mac[6];: \/ h3 s4 i( Y) w( B0 `: j& |
- unsigned char stbid[256];2 R6 p, x! Q9 p% V
# y c V/ f& o9 o- if (readparam(mac, stbid) < 0)/ L" f/ K) n% N: U7 ]9 W
- return 1;
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- printf("Current parameters: \n");
q2 a6 f+ i- t - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ u: @( F6 W: B8 q1 i" J9 A
- printf(" STBID: %s\n", stbid);
3 L1 i; {6 B" ?# q: Z6 [ -
4 }- M. g8 U- U7 R' O - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 e( q. k- F' q) ~6 X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( z [- H$ N5 Q
- printf("Input MAC error\n");
# A2 x6 S# I& T6 i8 ^# L1 J - return 1;
* ?; f3 M: Y, @8 k - }
3 {( U4 c0 I: l1 o. s Z - for (i=0; i<6; i++)mac[i] = macs[i];6 k) R% \" f* s1 F8 r* }
- printf("\nPlease input new STBID: ");
3 @2 I. C, B2 y3 q0 a0 c9 L' m - scanf("%s", stbid);: X# f$ s: d; G$ _ h/ F
- if (strlen(stbid) != 18) {) [! {: h* N6 T, |" p; M1 e' Q+ \& u' W
- printf("Invalid stbid\n");
4 J: `. a: O: S" }' g9 g - return 1;
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- printf("\nNew parameters: \n");; [- v4 x8 O: i" H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& X( l6 q) ?8 e& n; z2 n: d$ [
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
6 }; Z/ B6 S! F% }; a0 S5 W) L4 w - for (;;) {$ J% n% I$ g( Y. y% I8 i" X; j
- c = getchar(); `! V- o' a% _4 o* t+ L5 P- W
- if (c == 'y' || c == 'Y')% p/ s) Y% L$ }/ m
- break;# i: D' t `- J8 p! O" V
- if (c == 'n' || c == 'N') {/ O4 o- l- K7 [4 k' p
- printf("\nAborted.\n");
0 [2 g2 X$ J+ ?: f' t# D# P - return 1;9 X2 b# B- |8 q6 e2 a G+ ~+ R
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- if (writeparam(mac, stbid) == 0) 3 }3 ~5 y" v7 p* J
- printf("Parameters changed.\n");
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0 L4 U& u8 }( x- return 0;
5 |& y! R' j( b - }
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