本帖最后由 0522 于 2012-3-21 23:04 编辑
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0 M1 s# n. [3 {) T5 P修改的代码早有了。到今天不会编译。0 u9 a% F1 [' Q+ f5 a+ S& e, n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
9 `+ o0 {* s4 ?' e* l3 H - #include <malloc.h>
8 q9 v% S$ J! f' h- b - #include <sys/types.h>3 \- F5 Z# U' g) Q
- #include <sys/stat.h>* A/ e9 I2 f9 A6 |" G! X
- #include <sys/ioctl.h>
. }- y% B, e& T3 X( A, F - #include <stdio.h>7 i: `) b$ V# d6 u
- #include <string.h>4 @* E% l8 i: c) o% r- _. [
- # b, `' C, ^* r
- typedef struct {
" q+ T# W& J0 [1 g4 G a - unsigned int e2prom_cmd_sub_addr;1 T% [; z- {' D6 G' i9 l
- unsigned int sub_addr_count;3 [ }& E* ~. V) g: P. m/ K
- unsigned char* e2prom_cmd_data;
0 I2 t& a# F5 d0 K - unsigned int data_count;
/ Z( ~# O" E/ ]3 }/ ~6 k" A0 B/ u - } e2prom_s_cmd;
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. Q0 S; Y% K0 X3 }+ a. _- #define E2PROM_CMD_READ 1. e* V" w/ D1 @7 h* c
- #define E2PROM_CMD_WRITE 2: A( F, r3 ]8 R+ c/ f2 ]
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)" S3 A' x, N Y' b7 q8 y, V3 m$ V' a
- {
. n3 Y9 B6 {# I. W8 f( @ - int fd, ret;( F% q; v- X# i# P7 d
- e2prom_s_cmd arg;
5 T+ U" ?. d- H6 ?, ^' E e - unsigned char buf[0x18];
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; C3 n& s& @' {- fd = open(E2PROM_DEVICE, O_RDWR);
6 e; w6 h' T( @ - if (fd < 0) {
; q! S) l4 c# t# \7 f( l8 }' n9 n - printf("Device %s open error.\n", E2PROM_DEVICE);1 c% P: a# ~0 z+ w( K
- return -1;
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- arg.sub_addr_count = 2;" L, g2 d2 `% h8 ^; K
- arg.data_count = 0x18;: Q/ ?3 [8 p$ H7 m( ^
- arg.e2prom_cmd_sub_addr = 0x290;: l$ w8 g6 ]! U3 ^8 p% m9 N1 ~
- arg.e2prom_cmd_data = buf;, F4 ^7 n8 Y1 J# v7 l% i/ Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 b5 @7 }' [0 Q# n2 b
- if (ret != 0) {
$ _+ }4 T% U# E, G3 H8 T - printf("Device %s read error.\n", E2PROM_DEVICE);, o1 c" w. ^. b) n! g3 s, J* g
- return -1;) v' y! L3 f/ T2 {. f! B
- }! B* X! [. W# |; N
- memcpy(mac, buf, 6);
6 R) Y$ v3 b' P- C* | - memcpy(stbid, &buf[6], 18);/ S$ j. {9 ?/ f* @
- stbid[18] = '\0';! Y2 q3 |$ d e! {$ e
( h, ~! u( f" ^- return 0;
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- ' K1 ~( |2 p5 ?* `9 \
- static int writeparam(unsigned char *mac, unsigned char *stbid)
, G% I3 P2 h+ _0 Z% D* |' L) v) ? - {
! ]' A/ f: g" ~3 c! z7 A - int fd, ret;
. ^$ Q* P f: f( Q8 }$ E2 e+ I - e2prom_s_cmd arg;7 q; I. _5 ] H4 L& p2 K b
- unsigned char buf[0x18];
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) F2 D4 z# _; X4 [% ]3 U9 J$ U6 y0 F- memcpy(buf, mac, 6);8 b& n7 Q$ Z+ D; j/ G
- memcpy(&buf[6], stbid, 18);* B5 E' z& u, Z" T+ O# P |7 l6 E
- fd = open(E2PROM_DEVICE, O_RDWR);
; H$ c3 z1 R" h* B - if (fd < 0) {5 h8 |7 E- i/ M/ C' Y3 B$ D
- printf("Device %s open error.\n", E2PROM_DEVICE);' D. a! x W& T! x
- return -1;' m, Y+ t, @8 K/ N7 S3 D8 a
- }: P( V8 a6 {+ Q! C4 ^
- arg.sub_addr_count = 2;1 V" p6 v3 O1 ?- v
- arg.data_count = 0x18;) L- {( s# W. q2 e( O1 Y. t' U
- arg.e2prom_cmd_sub_addr = 0x290;4 x2 S! a0 }& m' ?# I5 v
- arg.e2prom_cmd_data = buf;+ R6 E& h4 H n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 u) _: I$ Z9 G6 \! q; H( I - if (ret != 0) {
) e- \* E8 o' R% Q$ [6 [; m - printf("Device %s write error.\n", E2PROM_DEVICE);" x* G# R" p) i$ O
- return -1;& d3 `$ `. g/ E+ Z2 D, y$ @: Y
- }
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4 e+ \# R" x- R# ?9 r- return 0;4 F8 w8 T* |& H! V
- }
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- int main(), e# U6 r8 J6 U5 A& l) }
- {% J% `4 g' ^" N) f2 ^
- char c;( D; k" x7 x8 W
- int i, macs[6];
+ C1 D' ], v9 M$ W; k# f k( L" ~ - unsigned char mac[6];2 S% J; n1 S# x$ ]/ o! q2 v
- unsigned char stbid[256];
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. e% @7 Y3 l' t# I5 K$ ^- if (readparam(mac, stbid) < 0); M; I, ]3 r1 |8 C6 K3 H
- return 1;9 j7 j1 U* D+ m7 C3 V, s
- 1 w0 l4 }* Q8 z
- printf("Current parameters: \n");) ^9 a, F2 ^& Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! r" [1 C' a+ T - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 w. I. E1 K3 W3 G" L* o
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
y( o1 `1 S+ I% ?- [, j. H - printf("Input MAC error\n");
- b# i! [6 e( k9 n - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];- N8 \, T1 s- X' q1 g6 g F
- printf("\nPlease input new STBID: ");
; y. v' E. D6 M8 q2 Y, ]% s1 [ - scanf("%s", stbid);# h9 c8 u5 H- b, a8 S, M* V/ ^
- if (strlen(stbid) != 18) {1 v: s p0 H! @. P) v" M
- printf("Invalid stbid\n");4 a+ u% h' j2 ~' B4 w, X
- return 1;
/ d- \0 }8 E7 |4 P7 ^ - }7 U4 O2 B! B. P9 {' b( `( M
- printf("\nNew parameters: \n");
/ L& S* c2 D" C% y$ z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 g, l6 O2 z1 z; S% W$ F - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");$ q' ]' P# C/ E1 ]
- for (;;) {
, [. O; N/ B& S6 o/ E% y1 G F - c = getchar();
6 M `1 p `' D - if (c == 'y' || c == 'Y')
9 E% v2 O7 W2 F: x! ^- n: z; [7 M - break;
8 C6 O2 \7 U* ]" N1 R - if (c == 'n' || c == 'N') {
- L+ W% j8 k% ^5 Y/ p - printf("\nAborted.\n");; L6 o% I% j7 |. u1 K
- return 1;
4 I) [+ H4 R7 s# x - }
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- if (writeparam(mac, stbid) == 0)
5 K* ^* m6 `6 N( ` - printf("Parameters changed.\n");) b3 e) M3 ]; T' M2 I" W t
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- return 0;3 @+ _- S- k1 f3 w2 Q2 E
- }
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