本帖最后由 0522 于 2012-3-21 23:04 编辑 9 f( a& [* |% h# A) ~
+ d+ R: [8 A9 y3 f# m1 [1 U3 C修改的代码早有了。到今天不会编译。
) z2 u7 n# [ U$ v, x$ D3 V& m! ^需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ a+ U, U+ m) \, e) X% }# Q* b. j+ H - #include <malloc.h>
1 w; U& x9 u- ? - #include <sys/types.h>0 F! k Y& Q, Z9 T/ K
- #include <sys/stat.h>
1 A& I4 n- z5 T- H - #include <sys/ioctl.h>8 D" |" @! H. P" W3 q3 A
- #include <stdio.h> I& v: Q) M$ N8 F& i. [4 `7 g
- #include <string.h>( |) }9 E1 M+ [ _% I
- # t! D% `9 W9 V" ~0 a& V
- typedef struct {
# n' b: ~) F+ [4 \2 V - unsigned int e2prom_cmd_sub_addr;. I, C: ~2 u; n8 K
- unsigned int sub_addr_count;
) [9 D: `7 E2 n# [1 n, [; Q - unsigned char* e2prom_cmd_data;; j- \+ J( e7 D' F8 I/ e% z
- unsigned int data_count;
( c$ g/ d' H. a" @, S, H - } e2prom_s_cmd;) K5 I: j) \+ H% \
0 X( V! c3 u4 F- #define E2PROM_CMD_READ 1
' ]# x) I( p- v - #define E2PROM_CMD_WRITE 23 k/ ?! O' W6 t+ t& r8 J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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3 r3 y. m/ Q& G/ R+ A- }# Z* l, r- static int readparam(unsigned char *mac, unsigned char *stbid)
: j; G; o4 ~" V/ E2 B9 @ - {
! y" Z9 U" H" Z6 b( ?/ E7 [ - int fd, ret;) f6 a6 ?( \# f' ]
- e2prom_s_cmd arg; W9 c5 x& _$ d$ q9 |/ ~
- unsigned char buf[0x18];
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# W u/ e7 k2 M1 d( m$ S+ @- fd = open(E2PROM_DEVICE, O_RDWR);! B# d& i9 W2 i8 _
- if (fd < 0) {
6 G1 B* y+ w. z+ a3 j6 P - printf("Device %s open error.\n", E2PROM_DEVICE);
3 Q, a% s8 Y% T' o9 U' y+ O - return -1;: J6 z2 S1 ?& n, \7 m$ g
- }
. N/ u1 {. u* b8 s3 O1 W - arg.sub_addr_count = 2;
, j) m8 q: O# _7 { - arg.data_count = 0x18;- W- l2 [, T# Q$ M* a" m, Y$ B
- arg.e2prom_cmd_sub_addr = 0x290;" v. i3 ~" ^1 A9 U Q
- arg.e2prom_cmd_data = buf;( A; i7 e7 A- ^' c2 `3 }( j
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ _2 ~% {+ P g5 s0 L. Z6 s
- if (ret != 0) {
( W2 C, X) D8 X" B - printf("Device %s read error.\n", E2PROM_DEVICE);
* M2 d6 n, k1 `- m [, } - return -1;
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- memcpy(mac, buf, 6);
. Y/ B. J6 k' D2 U/ E - memcpy(stbid, &buf[6], 18);- i- U R5 H: M, y* T
- stbid[18] = '\0';: |0 T$ j, N- c
- v8 o, H) I6 c9 Y0 I8 d- E& b- return 0;
. F- |2 `* z* A; Y - }" r8 S. j2 b3 F0 n- y$ ]* {
- 3 w, B+ f6 f2 t6 f! O
- static int writeparam(unsigned char *mac, unsigned char *stbid)( ~9 W( j! J1 ?% Y% Z" y
- {0 [. G! X( X6 C; d' o6 t
- int fd, ret;
! ^ E! ~9 _) v0 `2 I4 y - e2prom_s_cmd arg;
" U, z% z! k8 }2 T2 R9 n- w9 Z! h - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);5 {7 ]# P) u8 D) ~- [
- memcpy(&buf[6], stbid, 18);
" t) P2 Q. w3 V8 ? - fd = open(E2PROM_DEVICE, O_RDWR);
8 B. M! \9 v8 F6 T( E - if (fd < 0) {
2 g2 T1 G, k& z - printf("Device %s open error.\n", E2PROM_DEVICE);
. B- z! s+ E5 s) [0 B2 z$ U, t - return -1;
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- arg.sub_addr_count = 2;; K; Z; a5 i: t. F
- arg.data_count = 0x18;
+ q$ x# V5 v `5 x+ a. Y3 i - arg.e2prom_cmd_sub_addr = 0x290;
3 a: z9 ^6 I0 Q6 I d - arg.e2prom_cmd_data = buf;
' o; V+ _- \. e8 Y* ]+ J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 X; b3 Y0 A) ?' O5 {( S% A' E+ K
- if (ret != 0) {
0 p2 b$ L( m, B: r - printf("Device %s write error.\n", E2PROM_DEVICE);
2 w5 q3 [) R- ~* M3 z3 ?4 [* R# G9 p - return -1;
7 d& ^) g' O8 s& t( } - }
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, w$ w+ V& O" o8 f+ x- return 0;
( c1 x0 e1 A0 M) g8 E. O& k - }
2 ~! ]- k( Q8 O' X6 y! \; q" k5 C - ) I3 c* Q; T0 g) E
- int main() ]# K0 W) J1 y4 P, B9 a! P
- {; c2 x, W8 o4 `" b' {
- char c;
$ G" Z# M* \8 n! V- y7 V - int i, macs[6];, f! H( u6 ~9 m5 j
- unsigned char mac[6];4 a% p) Z( q+ c3 L/ ?1 i
- unsigned char stbid[256];
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2 b/ @/ S6 u0 H/ |& G+ B- if (readparam(mac, stbid) < 0)7 A" h+ P" x9 b, P$ G# T3 w
- return 1;
4 {* s- N2 _" f$ s& {3 l; C3 N
. R* g% @- M9 s- S) l- printf("Current parameters: \n");
0 J9 K& K1 \# v J - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( M9 A4 @1 P4 l" a& d& M" u - printf(" STBID: %s\n", stbid);
' \: F3 A) r% l5 W& T) V/ L$ e - - R# ~9 v# A7 f+ H6 O( a1 l/ q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- l/ A' g6 \$ B% G
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& M( A# M3 t5 U8 c, \2 d* j
- printf("Input MAC error\n");8 m: T7 d# X+ K) @
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];! h1 d8 N& ]9 Z8 S- N
- printf("\nPlease input new STBID: ");- _5 G2 I/ L8 S" h3 H6 p# v
- scanf("%s", stbid);6 ^+ B& w+ C5 G% V. j, x
- if (strlen(stbid) != 18) {
3 [& C8 ]- l* P - printf("Invalid stbid\n");6 \# L& v5 K3 V1 F5 ]# z: h$ ^
- return 1;
- B8 e& S; n- k# R- d/ i/ _' j - }
1 G3 p) F2 f: G9 l( p: r- X. I: z - printf("\nNew parameters: \n");/ p U% v; G( @ ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: L2 I% v4 }1 R0 ?
- printf(" STBID: %s\n", stbid);
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8 ]$ A( b; |- R4 Q5 {) A- printf("\nDo you want to change paramemters? (y/N) ");- f- B# v; e2 J8 L
- for (;;) {; k' ?- p; P: @. h
- c = getchar();
P# u, s; T6 _ - if (c == 'y' || c == 'Y')
' v! q; _4 A& o) x) f5 ] - break;/ Q1 @! L" _, Y- I5 p: Z! b; b
- if (c == 'n' || c == 'N') {2 V" V- _' F+ ^& e. e" O5 A# F
- printf("\nAborted.\n");8 z; k z. p X) G/ `+ `/ W
- return 1;$ J0 g, U# q8 J# r- m
- }6 A7 l! o4 J9 K( r( [5 j Q+ L5 N
- }
! a* h1 E3 N5 k( z$ e: B0 C& ] - if (writeparam(mac, stbid) == 0)
) L2 x% z; j2 X; F1 W8 F- [0 N - printf("Parameters changed.\n");# b1 J1 X5 Q2 Z3 `. f# ~; H6 H
- 4 I* L1 A- A5 F4 u+ [& D* Q* y+ }
- return 0;
8 B+ ]( ?& c1 e+ h* O - }
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