本帖最后由 0522 于 2012-3-21 23:04 编辑
6 i0 b1 K9 z4 t' E+ A+ n$ f. V* r* ^$ b- ~! j" v4 D
修改的代码早有了。到今天不会编译。
8 N- D# H0 i, j0 A; s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 w* @; b4 i% l6 t- b8 a - #include <malloc.h>
6 M- x" r8 k$ F/ L; [' F - #include <sys/types.h>" ~1 K/ c, w# A+ _9 ~: m
- #include <sys/stat.h>
, v. w9 T# v! V Q - #include <sys/ioctl.h>
/ c4 f$ M* `1 i) @6 {. X! {5 ? - #include <stdio.h>
& _1 t) @/ j7 d/ b3 x3 r - #include <string.h>. U$ x- O# `% I1 Z5 \5 f
; @1 o* R6 B4 ] v/ j h6 l. X1 f. H0 e" Q- typedef struct {" ~% @$ |2 G3 U( g5 o( Q
- unsigned int e2prom_cmd_sub_addr;8 q0 Y. C6 z: B( e
- unsigned int sub_addr_count;
5 v+ \7 n; [% L2 N$ f- ?* k4 e - unsigned char* e2prom_cmd_data;
5 ?+ u5 _. l' { G. C6 P - unsigned int data_count;
- i1 @( b' d) _ - } e2prom_s_cmd;
8 W3 E+ ]9 Y# r( V5 j5 d; X
* e7 | {3 D$ W i0 O* h- #define E2PROM_CMD_READ 1, J0 {, B. p3 N& t# b) ?4 N
- #define E2PROM_CMD_WRITE 2
n( B u7 j& O% a5 J+ M1 J1 a - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
2 R9 L8 L, H, \% o4 t2 M' f# } - 1 T9 A% K. v% ?1 J/ J6 j
- static int readparam(unsigned char *mac, unsigned char *stbid)/ x: D. B/ \" o: E L6 K7 Y
- {
, o3 _% _# V0 M - int fd, ret;
/ z, x" `4 C3 i; d0 S - e2prom_s_cmd arg;
- d# J9 L9 J/ ?' Z: E - unsigned char buf[0x18];- k- h- p# U; U
- $ ^( X1 A5 w7 G
- fd = open(E2PROM_DEVICE, O_RDWR);
! ^, y$ U( U1 N6 b - if (fd < 0) {
6 C8 q7 b! n# a: Z( n5 e8 K - printf("Device %s open error.\n", E2PROM_DEVICE);
; \6 @0 h, I- O2 J6 N5 c+ O( r - return -1; C! f& t) i5 d- u- T, u
- }
0 P: j" h9 A% Z. n' w6 u6 d9 N9 Z - arg.sub_addr_count = 2;
0 l9 U% ^& m7 c. ~" m& M - arg.data_count = 0x18;/ U2 U4 q9 I: `- C% r$ P% r" @
- arg.e2prom_cmd_sub_addr = 0x290;8 ?4 d/ P7 k! g9 L p; F: q- [
- arg.e2prom_cmd_data = buf;
$ L9 M3 q+ S' V' _1 Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) U5 @: i( V4 `5 r - if (ret != 0) {& l; C. z) h5 I5 a/ g4 l, w J
- printf("Device %s read error.\n", E2PROM_DEVICE);
; Y! a) J' e0 W: [2 I, H - return -1;
0 G0 N' J9 W" h! Z& \0 h( z - } Z7 M3 j& G# L$ p2 G l8 K& R
- memcpy(mac, buf, 6);, l' x2 s/ F5 N2 f' S
- memcpy(stbid, &buf[6], 18);' ]) v' e6 F A
- stbid[18] = '\0';3 q T P& D/ F+ g z1 T- K
- 3 R5 x9 n$ A: [$ a$ n
- return 0;8 d3 D6 [0 A* j2 M2 S2 m: E3 @
- }% v2 W6 ?+ c" d0 G: A' P
9 Z( L+ {/ C( N: z) a0 Q) b4 H S) g- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 B- D( a+ }; U6 }+ N. `1 f - {
+ w6 `# z5 F, Z$ T/ w9 ~ - int fd, ret;( W5 i7 }' d) M( h2 X a0 T9 D9 x
- e2prom_s_cmd arg;
+ n1 Z6 L0 z8 d4 ~- e - unsigned char buf[0x18];
, m) O1 k$ p' T& M1 N
8 B+ b4 a* P) ?& Z6 _- memcpy(buf, mac, 6);
, A0 z0 Y; w' W% t - memcpy(&buf[6], stbid, 18);
2 D P) V) \& h2 i3 P - fd = open(E2PROM_DEVICE, O_RDWR);
2 m& [1 {' z3 B: D. [, Q - if (fd < 0) {
0 D- K, O+ s# T+ o - printf("Device %s open error.\n", E2PROM_DEVICE);4 Z# U/ U' k: F0 r0 z1 C m
- return -1;+ `- A8 d, Y/ Y/ {
- }0 Q* b s) q$ ~. y6 e0 `
- arg.sub_addr_count = 2;% I' n. v! g5 N: g
- arg.data_count = 0x18;
, x5 D1 r0 e( o4 k - arg.e2prom_cmd_sub_addr = 0x290;% J/ [" C. O+ O' N) @' h
- arg.e2prom_cmd_data = buf;, F' j' L( Q" l8 R+ {
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; z9 M) E1 x) ^5 L& S
- if (ret != 0) {
3 A: Z1 k3 X$ b3 R+ F8 R - printf("Device %s write error.\n", E2PROM_DEVICE);7 j/ P# f3 G$ w+ L0 e7 M
- return -1;5 v9 \! f& j# Q, |
- }3 M# z% T8 S- y: s! ~
- - T' a5 r* x; v+ K
- return 0;% N$ d- { e9 N2 D) M
- }
' S u( a% f. q, G) p" N1 T. T - / K% S+ d4 y3 ~/ ?
- int main()3 ^6 @8 R0 ]5 {/ F
- {; f* w' p! v/ k" o, q
- char c;- x% V1 e0 t( K. Q8 R
- int i, macs[6];, I4 r! B* Z T$ ]) u9 J; O
- unsigned char mac[6];1 t5 }: w0 m" ?& h5 w
- unsigned char stbid[256];" Q% J" Q9 ?% y. Z& Y3 W
/ l% n! R! E: K, u9 A- if (readparam(mac, stbid) < 0)- O6 r4 S. N1 `: K: }7 @5 c$ e* M
- return 1;
% ]+ _- ?' ]0 S7 y8 N7 t3 W% z
3 I0 w+ | I( ]- a1 J( m6 {- printf("Current parameters: \n");
. P" x% ~( C% R- r - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 [7 e7 m, i1 Z/ t& J% O - printf(" STBID: %s\n", stbid);3 H% t8 C ^ I8 v
- . M! c! R1 r. r3 n7 j$ f
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
^9 p' i3 `/ ^1 G0 Z4 O - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 _2 N G- J* G( q/ n0 m3 f - printf("Input MAC error\n");& d; [$ _+ j( p; m4 n+ j
- return 1;
O+ b" k2 Y# c; i - }
6 b9 v4 ]7 d# |# u7 j - for (i=0; i<6; i++)mac[i] = macs[i];4 M/ f& c' x+ I% C$ I+ w
- printf("\nPlease input new STBID: ");
' R1 X8 p4 v2 g1 Q& h - scanf("%s", stbid);
+ L$ Y/ y6 D% v7 C; X - if (strlen(stbid) != 18) {
9 C3 U5 a+ _. B3 I. p& h - printf("Invalid stbid\n");0 D" s: u \( O7 f
- return 1;, {9 L- M: K" e: b% M
- }5 b% e0 X: ]1 T7 D$ L/ c
- printf("\nNew parameters: \n");
. T* O# N+ B2 J. k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: N( C1 d7 R% V* B
- printf(" STBID: %s\n", stbid);9 k7 p: z2 ]: e% |3 K7 \
) q1 c1 T& Y/ l* m1 {- printf("\nDo you want to change paramemters? (y/N) ");; u# l# y$ s1 J
- for (;;) {
+ P9 z" \. j' o3 G: {) x& a - c = getchar();
: X1 c8 w. N" Q/ q% D; c6 T2 a4 B - if (c == 'y' || c == 'Y')7 K N9 D0 _8 G( ]% T8 G
- break;
8 J8 }% r+ f. G' Q - if (c == 'n' || c == 'N') {! g9 I7 M, v) H. [8 |( c
- printf("\nAborted.\n");1 w! r( o8 k" c& \! D H
- return 1;$ w- A7 t; D# E
- }% o& i. g4 Q4 g9 G1 E# ^
- }- W9 r) d+ j/ f$ t) f
- if (writeparam(mac, stbid) == 0)
6 i6 {$ b$ K0 j% H7 q6 y' X - printf("Parameters changed.\n");
! F; \, N% n4 D2 A7 I, U8 c
8 r! S/ f6 k! r( f. w- return 0;3 o# z, s2 y9 [
- }
复制代码 |