本帖最后由 0522 于 2012-3-21 23:04 编辑
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* R8 k" ], z8 \/ l8 ^4 T/ N修改的代码早有了。到今天不会编译。- }0 k2 x. m4 Q6 g$ s% o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" t" u1 C0 f* d. A7 n
- #include <malloc.h>" B+ A' H R) {6 [! a( Z5 Z
- #include <sys/types.h>. ~9 s3 m5 f! V6 ]! l/ F* d
- #include <sys/stat.h>
+ b; z, C1 ^" H5 G: { - #include <sys/ioctl.h>
* N9 ?0 `6 x' I& ^5 V9 a, v2 `6 c8 |# d - #include <stdio.h>/ H; i! a; l% D5 r! n" ?9 O2 e
- #include <string.h>
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- typedef struct {" O7 H% ?- h" ~7 Y# l
- unsigned int e2prom_cmd_sub_addr;/ j$ r0 J% ^& t2 E1 d. r7 w; e
- unsigned int sub_addr_count;& X( S0 f4 i! Z: F
- unsigned char* e2prom_cmd_data;
' E( A2 a5 W, Z2 c0 F; v3 B& v" b- o - unsigned int data_count;% E A7 u7 Z. E2 }! ?8 |$ O
- } e2prom_s_cmd;8 i0 k2 U9 h5 R
: @% v ?7 ?4 ?2 U4 }9 ?- #define E2PROM_CMD_READ 1
4 r, A e1 t; @8 x# K - #define E2PROM_CMD_WRITE 2
7 l N. w$ v# f0 g- y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 p$ n: m, k& l, ?
7 B6 q( ^. B6 u" D- static int readparam(unsigned char *mac, unsigned char *stbid)1 K8 V5 a7 I7 c: n
- {
$ M5 @+ R1 w- m8 i - int fd, ret; k1 v; E% |7 E; o
- e2prom_s_cmd arg;& w: }8 D; d' u7 e# C3 V
- unsigned char buf[0x18];$ u, p: i0 K) `- C* n8 M" y' I
+ G( I$ h! b/ H3 o5 e3 N- fd = open(E2PROM_DEVICE, O_RDWR);' p% [! _# t6 I- S: c* d
- if (fd < 0) {/ z2 c/ b: E" l+ q# `/ J
- printf("Device %s open error.\n", E2PROM_DEVICE);* L& {- K/ ]6 o, }: n' J; \3 {
- return -1;
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- arg.sub_addr_count = 2;* H# a) k4 U; c( P, p
- arg.data_count = 0x18;
& `- ^: m' F n* a# w' e - arg.e2prom_cmd_sub_addr = 0x290;# J2 A1 M' C, b; j
- arg.e2prom_cmd_data = buf;
5 T% l T6 ~' m. v# | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);* s% G6 X' Z6 p% \2 Y4 a4 w/ f
- if (ret != 0) {/ c6 L2 r: p6 k+ G
- printf("Device %s read error.\n", E2PROM_DEVICE);8 I3 C& @8 \8 x, A' A: u+ m6 {
- return -1;
_. s7 e0 S7 a" S - }
1 H: t+ P3 @% B) {, ^ - memcpy(mac, buf, 6);
+ Y) B9 |) ^ W% U - memcpy(stbid, &buf[6], 18);0 e% f* |. X0 Y
- stbid[18] = '\0';
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3 p; ~" K, A) t6 S! g* f- return 0;& d9 z# B$ x4 D- |) Y
- }
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$ b! \! k! b( y0 z5 R- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) t# x$ O0 [1 Z6 S7 c
- e2prom_s_cmd arg;5 O% s( x9 v. \1 Q! M. Q2 v
- unsigned char buf[0x18];6 e$ A& ]' G6 ~: I; J
+ g. V* P6 o0 N& ?& R- memcpy(buf, mac, 6);
9 W+ U1 H+ }4 r1 D - memcpy(&buf[6], stbid, 18);/ ~; I9 g1 M! g: ]6 T+ C3 W
- fd = open(E2PROM_DEVICE, O_RDWR);" p/ _/ s3 r6 q( |3 }$ A8 j* v
- if (fd < 0) {; W9 I1 |" m5 C# o
- printf("Device %s open error.\n", E2PROM_DEVICE);
, k( L0 @1 `) e$ k: U - return -1;
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- arg.sub_addr_count = 2;6 q8 f: l6 m; [
- arg.data_count = 0x18;
$ S( P+ v. g' h - arg.e2prom_cmd_sub_addr = 0x290;& {+ v2 I7 m! B9 r# W
- arg.e2prom_cmd_data = buf;, ?( Z1 X3 M _ V8 e5 M, ?
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ g2 e- ~9 L! v% w3 {* B! P9 w. c; S - if (ret != 0) {
$ b" j2 [0 D- C N - printf("Device %s write error.\n", E2PROM_DEVICE);& c/ b; h# V! J% o, q) T
- return -1;% M- q# b( m. R: @" w
- }
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; A. w7 k. E+ u6 {/ _3 D8 W- return 0;
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- 5 v/ j, v# a ~) j0 C N
- int main()% H0 O( B5 U0 n/ C8 t+ |4 N' Z p
- {- @; n6 j$ K0 c
- char c;
* T: }1 ^- }$ h: G5 h - int i, macs[6];
: _/ m) {8 G# {1 S" v, @ - unsigned char mac[6];
9 ~5 P; w& v; i' S - unsigned char stbid[256];1 F3 _# v. C! U6 P2 ?% s& b$ W
- " O: {0 s# X7 Y
- if (readparam(mac, stbid) < 0)
/ H0 T, m, n6 P7 } - return 1;/ g% B9 y" h! C. y6 V, C# k3 H
+ }' s7 o; u Q/ w5 r( l- printf("Current parameters: \n");' N) t8 q8 C) ]# W6 M1 ]% l3 p( Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, {) l- K) j/ l8 M4 N
- printf(" STBID: %s\n", stbid);
0 B1 n8 I% |; Z. Z) F -
5 ~( o) w) v0 D0 F/ x4 A - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) `2 N% e$ s3 F `7 T- E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 ]8 H* s5 M$ n, o0 Y* } - printf("Input MAC error\n");
4 j( B. h* w# H2 r8 C% _ - return 1;& f! V5 g4 f, B0 i7 ?7 a
- }( U1 S5 r; A5 F
- for (i=0; i<6; i++)mac[i] = macs[i];7 j: U5 |5 e3 u; j( U$ ^+ x
- printf("\nPlease input new STBID: ");
3 P* @- o* q0 }8 ~ - scanf("%s", stbid);% s4 {4 |9 P% V4 ^6 c. O! J
- if (strlen(stbid) != 18) {7 {: h4 P7 h l. p$ ^) D
- printf("Invalid stbid\n");8 m, W, Y4 A. }9 N6 w ~, i" R
- return 1;9 K Y0 i% ~, Z$ Y
- }
. k( [7 a7 Z/ X( H - printf("\nNew parameters: \n");
4 W+ u% `+ ]! v$ N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% L( c3 ~/ n, U8 x
- printf(" STBID: %s\n", stbid);5 A, `4 K8 R5 r5 A8 U
- / e6 D. ~4 ?3 \/ `1 a
- printf("\nDo you want to change paramemters? (y/N) ");
8 X& Y# a. u# E" q" a3 c' M - for (;;) {/ b+ w T( ~ S7 e
- c = getchar();: e4 \* Q% f# M: ]
- if (c == 'y' || c == 'Y')
( P1 N9 y$ |: X) _/ j, Y c- @ - break;- |3 e& o" D. \$ R" r0 u3 R# T
- if (c == 'n' || c == 'N') {
; f8 q4 w+ Z7 `5 w" u - printf("\nAborted.\n");
: T* ~8 m8 B8 Y1 j - return 1;' u5 t7 A% S* E6 N. v6 x0 Z( h6 y
- }9 [" g( V5 ~2 R+ w, f
- }
. ~ g* V1 C5 Z1 y+ {+ \ - if (writeparam(mac, stbid) == 0)
2 l8 Q& h4 Z: t- P( x) _: W" Z& i - printf("Parameters changed.\n");) K% N" u. B9 h' q' Y
! v' t( `$ T( g' C8 M$ _# k- return 0;
# j. ?; p% |& ~4 A; z - }
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