本帖最后由 0522 于 2012-3-21 23:04 编辑
; q" Z) ~9 J6 n) h* q
2 n8 u+ F* y& N+ O: c* v' ]修改的代码早有了。到今天不会编译。
8 }: r, s9 g' P; V" y; V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) `. U+ J1 k l
- #include <malloc.h>
5 B4 k( F8 M+ A- u2 ] - #include <sys/types.h>" S {- O3 G) W4 O+ V
- #include <sys/stat.h>6 i: g, N& z- E) ]: X* R. N- A
- #include <sys/ioctl.h>! `$ u, ?1 F) d( Z4 K( l3 v
- #include <stdio.h>
5 P' C* A+ Q6 [) a - #include <string.h>9 ~: ~* L4 q2 d0 u
# A# S! s+ D6 o, Z9 X- typedef struct {
' I0 }2 c3 D- l - unsigned int e2prom_cmd_sub_addr;
4 \4 @1 ?9 Q ] - unsigned int sub_addr_count;% c( c' K% c ~ r: D
- unsigned char* e2prom_cmd_data;
9 Y: w5 M. |5 d* U1 ^ - unsigned int data_count;
; W! s$ B$ [- H5 ? - } e2prom_s_cmd;: K" w/ k' A: m. [) d
. b2 e1 c% r. {- a6 L# X- #define E2PROM_CMD_READ 1. J% T! I" h9 r( E0 R* n$ Z
- #define E2PROM_CMD_WRITE 2
" s3 d9 }1 s4 ~! T( v9 g - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 l/ b& \2 |; o/ g! g
. k; T! @6 r7 j+ u/ ^" K- static int readparam(unsigned char *mac, unsigned char *stbid)
, p6 G' q! G8 ~ - {
( |+ a1 Y& t, q+ R! O - int fd, ret;9 z& j. I5 d# @/ S& A* D/ F& k) `
- e2prom_s_cmd arg;
& `, E/ i: \1 s& E! @' N - unsigned char buf[0x18];3 k1 D$ h/ x$ o0 J
- / D0 N+ j" g' I6 J" N. E9 ^8 V
- fd = open(E2PROM_DEVICE, O_RDWR);* j2 k- _8 h/ D
- if (fd < 0) {* A+ b# ^/ c0 z2 ~( `" N0 M
- printf("Device %s open error.\n", E2PROM_DEVICE);$ Q6 v$ `" H, ?& M# h" p+ { k- Y
- return -1;
( A5 Y; v% q0 V7 s - }
+ m; q# C" @4 E - arg.sub_addr_count = 2;
; q R" a+ s0 X - arg.data_count = 0x18;+ _ i" O2 f) T6 k* d
- arg.e2prom_cmd_sub_addr = 0x290;( N7 {$ { `( [2 H
- arg.e2prom_cmd_data = buf;
% E6 s) p) }7 z( j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 n' f* a9 Q/ n% Q1 Z1 p4 X - if (ret != 0) {# F8 V4 [1 v- P
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ g6 Y. c0 K8 V9 {/ Z4 ]3 o - return -1;5 J2 t4 r# c. A B
- }( S* P. t$ Y5 @
- memcpy(mac, buf, 6);2 u9 O9 D% U5 _5 s# s
- memcpy(stbid, &buf[6], 18);7 {6 W, K! y' k! i
- stbid[18] = '\0';. I' \: m7 _$ T0 @
- & v& ?7 @! H* W6 r( {
- return 0;6 F0 u* Z; |/ y! v0 C& ^
- }) D. s6 x% r. u7 M& N
- ! ^8 {# j# a" f6 e7 F
- static int writeparam(unsigned char *mac, unsigned char *stbid)0 m0 m: R. u: t' A
- {) ]3 n7 p7 N' ?% p
- int fd, ret;
& q- w0 V! V, T8 P8 e; E, Y' w - e2prom_s_cmd arg;
O3 G& E/ O& K+ y - unsigned char buf[0x18];
2 U! b1 }/ r! G' P$ U
3 ]8 A8 `6 p6 B2 r7 a- memcpy(buf, mac, 6);
% f( h. B9 U' ~) K+ M1 @, t - memcpy(&buf[6], stbid, 18);
3 P4 _# i9 [, ` - fd = open(E2PROM_DEVICE, O_RDWR);5 X7 I0 {& @" L$ \& s' J
- if (fd < 0) {/ d- t7 m& s$ a& q' k0 r, g* l
- printf("Device %s open error.\n", E2PROM_DEVICE);# f3 [( J3 z" r
- return -1;
! P, { ^( n o: g/ u7 c - }1 ?9 @+ {4 ^1 o2 w# r
- arg.sub_addr_count = 2;; A/ c0 M1 g E; n4 G
- arg.data_count = 0x18;
- j2 z- O, w9 ~2 z+ D - arg.e2prom_cmd_sub_addr = 0x290;
8 S* q) r6 a: N! G; J' M - arg.e2prom_cmd_data = buf;) N8 W9 z: q% ~( e* q& [
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 Y4 t3 ~# x: ?/ V* K1 L1 _ - if (ret != 0) {
4 v- Z/ s r7 Y O1 O - printf("Device %s write error.\n", E2PROM_DEVICE);, g/ c$ ?4 {9 p
- return -1;- a+ A# C, |0 x8 i3 _
- }
5 j+ g2 @; J. \( h8 s# W. L# J - 6 ^/ r4 v, O- L! }# E% C' x' ~
- return 0;
$ Z' i N( \: N9 ]( g! } - }
5 U6 q' O, P( i
1 `5 k1 f9 X3 Z7 H- int main()
% E; _) n$ G/ U' c2 Y( I - {/ S5 D- A' p2 ]+ h
- char c;
0 d2 S' m7 f4 Q' j# H$ ^+ M - int i, macs[6];5 I: k& c' U8 P
- unsigned char mac[6];
" b8 ~5 c F" p2 }; [ - unsigned char stbid[256];) r+ s$ }' S2 d# @0 E1 G+ w! }
- " G* A; N& u9 W. R, n
- if (readparam(mac, stbid) < 0)
- _3 ^% v3 Y, { F) ~% g - return 1;
) X- d/ ~+ f+ g% v9 i* }' ~! [
: p$ p% c0 k0 M( g& G) E- printf("Current parameters: \n");' I' A# W9 p/ Z# X& q7 L4 e0 a1 s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ P4 c j! U$ D- s2 S# y& n; B
- printf(" STBID: %s\n", stbid);
4 L/ K$ M& w1 o- v5 B0 ?, M2 M - 6 u# p2 V7 N* B# r! A3 z7 z3 H
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 L, ] w* j" d$ o$ X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 m' h+ n6 f9 q) g; ]# C: f, g - printf("Input MAC error\n");7 V0 w0 E% }* g2 }" q
- return 1;
( a) I& F8 e* Q$ u - }/ D; x8 B6 F1 f3 t# e2 v
- for (i=0; i<6; i++)mac[i] = macs[i];
7 J4 Z$ P) D0 U9 {5 M' t) \) V - printf("\nPlease input new STBID: ");! q% V" c+ r9 F6 c3 p1 @
- scanf("%s", stbid);
; n- T" b' ~# {0 |* i( \ - if (strlen(stbid) != 18) {
" D' L/ F6 U# {3 w - printf("Invalid stbid\n");5 e* j, O, \$ c8 d: k
- return 1;0 l5 \9 F3 e$ ~5 ^
- }! L9 I8 Q$ f) |0 v1 F1 `) ?
- printf("\nNew parameters: \n");/ Y! e2 }+ k+ A7 g, A! V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 e$ D. \4 \* z
- printf(" STBID: %s\n", stbid);
5 u/ I8 R2 u" C1 l5 ~ - 5 C6 C9 e4 j2 _7 R; o( S3 @4 ]
- printf("\nDo you want to change paramemters? (y/N) ");/ d7 X, A. z- |6 t; d
- for (;;) {+ m u9 B h& U/ l7 W' M& b6 _
- c = getchar();
0 D W. {3 U" C( O- k - if (c == 'y' || c == 'Y')5 _& g1 N% d, F5 E8 R, l4 y9 ?8 B
- break;
+ {% s& w# t& R0 p3 y8 F - if (c == 'n' || c == 'N') {
: a: R/ `2 Z- V. @ - printf("\nAborted.\n");
$ u. A* y$ I1 _$ l - return 1; x3 I- \( G, E6 C+ t% j$ \
- }, m' C' N5 t/ M1 o
- }
8 ]7 |: n) t l4 _2 b% C% x - if (writeparam(mac, stbid) == 0) 1 H8 K% K0 O6 ?6 O
- printf("Parameters changed.\n");/ U9 a2 o6 j2 B; h& q/ Q: J7 l$ \" U
- 5 F" S. A6 S* k, U) {
- return 0;
' \# T" r0 ~8 C3 U2 @: F! C: F - }
复制代码 |