本帖最后由 0522 于 2012-3-21 23:04 编辑
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) F3 ^% a( b/ @& x9 o+ X修改的代码早有了。到今天不会编译。% E1 `+ F/ }+ e. Q3 s+ X! Q/ v
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) P3 e. e+ y6 w! i1 d% ~, p - #include <malloc.h>
7 V( S% z1 R+ V7 i3 N - #include <sys/types.h>4 Z. _; |# @: ?- H$ k
- #include <sys/stat.h>
( G/ n3 C2 ]- |8 A. G! G; q& D - #include <sys/ioctl.h>
6 b. R! ], D. a9 q. J$ F - #include <stdio.h>5 K4 @- o5 Z& M& o; ]; @5 o
- #include <string.h>
3 m) J9 }9 N+ y8 b
. q2 \7 ?7 h2 |- typedef struct {
9 A2 `% C2 s6 @* B) B; d - unsigned int e2prom_cmd_sub_addr;; u6 s( h9 y- ~% {! w# d5 S7 @
- unsigned int sub_addr_count;0 D& x% s) @9 A! X) e
- unsigned char* e2prom_cmd_data;
' y3 t& Z# z5 l; x% V7 A' R - unsigned int data_count;
5 X/ y4 h" H4 u5 J3 w n - } e2prom_s_cmd;+ J/ Z& ] M* C2 V A1 b
! F0 j& s9 I. W2 [/ W: A/ E- #define E2PROM_CMD_READ 1
* R2 v6 r1 i! b9 l6 g6 Y - #define E2PROM_CMD_WRITE 2
2 f; G2 E* T/ D$ L2 O: G* { - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", K0 ~0 x9 Z" G. o: i
+ _4 F4 z! u. s; K- static int readparam(unsigned char *mac, unsigned char *stbid)
. D1 G J5 w5 q5 g3 M - {2 M9 }; f3 J0 c! l; V) o
- int fd, ret;
4 {7 Q: s& O6 |# u- B) a$ R - e2prom_s_cmd arg;/ u4 h6 S4 H! q
- unsigned char buf[0x18];8 {3 l6 i4 e0 a
* i4 p+ E V' ~0 y- fd = open(E2PROM_DEVICE, O_RDWR);
2 C5 T. e% f! r$ T9 F - if (fd < 0) {
1 N: [0 R' D4 }7 v1 x+ c) i - printf("Device %s open error.\n", E2PROM_DEVICE);& D- R0 I. C3 Q
- return -1;
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- arg.sub_addr_count = 2;' J' L) i: B3 r4 x, }/ W
- arg.data_count = 0x18;
& [, A% U3 a9 t) _; x6 [( d - arg.e2prom_cmd_sub_addr = 0x290;
7 F1 O9 _1 R9 m4 _& o8 u - arg.e2prom_cmd_data = buf;2 i2 `! a" i8 [# c
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 ^5 t4 V) b$ \# a1 c" A( A
- if (ret != 0) {
. L6 d7 W7 F. c4 K; h& U - printf("Device %s read error.\n", E2PROM_DEVICE);
. K {1 Z0 h+ D1 }; Q# ]8 v - return -1;
9 D0 G' ^" w% F! t5 ? - }
/ D/ Q/ B5 |6 H. L* U. Q' }2 r3 Y - memcpy(mac, buf, 6);
1 Y% K% A: r4 {& g5 v0 R0 O3 k - memcpy(stbid, &buf[6], 18);# ?: Z) P/ l9 ]2 ?" t( s
- stbid[18] = '\0';5 r" t) X3 g1 H* i* W/ L4 \
6 [7 ], o1 ^$ h f! Z6 Q, Z! q L- return 0;
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8 @6 H0 h# J. D6 D- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 x6 t, r* B; D, a. m - {3 G# _3 [+ C: w) y8 V* L2 _
- int fd, ret;
3 e4 a! x: [9 C! h( K1 W+ E" v: p6 q - e2prom_s_cmd arg;
0 a$ J' \) F6 T; q/ j& r - unsigned char buf[0x18];0 |" @% N' P' s N Q: }& v
- + o& e7 [2 K4 J5 t q4 c, {; B+ B
- memcpy(buf, mac, 6);
0 Y& k G, P f! I1 {8 ~ - memcpy(&buf[6], stbid, 18);
; b V5 @! @& @# h - fd = open(E2PROM_DEVICE, O_RDWR);3 L4 }% J; Y- o- E+ m
- if (fd < 0) {
. j, A9 g# Y0 {+ J, |/ q; u/ b W5 O - printf("Device %s open error.\n", E2PROM_DEVICE);
0 m3 O- n. |' K - return -1;% [+ c6 z$ ?7 X8 K
- }
& q% c3 s3 o) l( `& W' G. `( m - arg.sub_addr_count = 2;
$ _& T* Y9 L) i& Q ] - arg.data_count = 0x18;% ]5 Z% |% \) K5 Z/ M0 i! h
- arg.e2prom_cmd_sub_addr = 0x290;
`9 ~6 k4 F" W8 O6 e6 M, Q8 P - arg.e2prom_cmd_data = buf;
: K5 @! |4 B' H: K( S- Y' a3 A7 R0 V3 ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' G' F% c; T! L# q; T
- if (ret != 0) {
% U' ~8 f6 a. E. ^2 L - printf("Device %s write error.\n", E2PROM_DEVICE);# X! J8 z; L) P
- return -1;
7 l: m: |6 d, |7 R/ a - }
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. ]2 Z- G6 k3 g2 [* n1 \- w- return 0;
1 F9 k0 A$ a/ W9 \, T - }
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- int main()
1 T7 ?8 a- ^: T7 e( w' A& P. J+ g9 F - {- h5 ^5 ]! v! \
- char c;# [5 k8 g R, m' |- B7 [/ ~$ C/ E
- int i, macs[6];. X3 p0 p& _3 d9 b% T/ T: u; K' i
- unsigned char mac[6];" @( g1 V0 ^' M2 Q( ?9 H
- unsigned char stbid[256];2 o$ Z. H9 L% y5 o! }2 \
- # E4 I+ v) ~& P* O: {/ T. @
- if (readparam(mac, stbid) < 0)
! p# ~4 L& h, t8 T' c+ q - return 1;
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" m; O: G2 x% F6 q4 |' k4 y$ s- printf("Current parameters: \n");
" g- B3 w# ?( ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ V" I; d6 o( i - printf(" STBID: %s\n", stbid);7 v" i- R; G& s
- + r( f9 u6 g U+ Z0 Z m
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; `+ J/ n3 S+ R2 v( i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ T7 ]1 D1 ?7 I8 _
- printf("Input MAC error\n");
: n8 X& v3 q! C/ p) x/ V4 I0 Y - return 1;
5 l+ R2 Y% b2 T3 m, H, O5 Y - }
* l2 J7 r. R% W; z6 |7 F* T - for (i=0; i<6; i++)mac[i] = macs[i]; A9 N! m; F. e& k j- E
- printf("\nPlease input new STBID: ");# e4 h$ ~. }0 T2 o4 [. W. G6 u2 d- D$ w" l
- scanf("%s", stbid);+ u: k# h$ Z/ _( i, I
- if (strlen(stbid) != 18) {- W4 C/ b" c3 g4 i! k: T* V% U9 b0 ?/ q
- printf("Invalid stbid\n");
* |3 `/ I% u; s% M% B, I - return 1;2 v7 v( p* K8 e& H1 ^5 r& C$ w
- }4 J0 p2 U* _2 R9 {6 U. L
- printf("\nNew parameters: \n");
: j/ [% W4 s. z' i4 Y, ^% j3 c' D/ } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ [ w9 D7 f% |, ^# p* m( e - printf(" STBID: %s\n", stbid);( L `2 e1 P9 O; I' I3 T
" d. B6 J! r( d* r0 Y- printf("\nDo you want to change paramemters? (y/N) ");
( T+ r) {, h1 C) {4 J - for (;;) {
) T$ w* B# k% u- d - c = getchar();# b) x& Q; v7 g! Z
- if (c == 'y' || c == 'Y')
* X3 U8 h% Z/ M) `! Q - break;
6 ?( M$ D+ k8 n& O - if (c == 'n' || c == 'N') {
2 l7 h- n2 E0 H1 s }; F! w$ ? - printf("\nAborted.\n");/ m% T4 _4 q0 v
- return 1;
6 i! U! L( D1 ~7 S* g: |2 b - }
4 I" M0 A! L6 }6 m1 c) z- ]8 M - }
& ]7 L; n- S1 Q- } - if (writeparam(mac, stbid) == 0) : U9 n; j4 d' e6 B3 c7 s) Q7 L
- printf("Parameters changed.\n");3 X4 r4 h* u: i& j& v, O+ t
: B+ h E* ]" a6 h v; L- return 0;7 L) K0 @9 H$ c+ q, `/ ^
- }
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