本帖最后由 0522 于 2012-3-21 23:04 编辑
8 m$ S! L) K6 J/ z% A& h$ P. G" w. d5 `) ]
修改的代码早有了。到今天不会编译。8 N J$ ~# {* ]' |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" E% V( N& C: c) ^: x1 u - #include <malloc.h>% p5 F# Q2 R! h! r1 ?7 d
- #include <sys/types.h>
, q5 n2 C3 n" z - #include <sys/stat.h>& ^; S; l8 f& r. h4 d
- #include <sys/ioctl.h>( U# V6 b# m* }5 `2 o3 g' x5 P4 ]' Y
- #include <stdio.h>
0 L8 Q& R. _% {: }8 ^5 X - #include <string.h>( h) {( @) G9 D
, {& n# z2 t8 H/ \" M+ P- typedef struct {. F; H" F, k/ s7 `9 F( H8 O6 j- W
- unsigned int e2prom_cmd_sub_addr;+ ?3 N! O3 Q! g& s& t
- unsigned int sub_addr_count;5 W3 r; a( ^8 z J8 Y3 q
- unsigned char* e2prom_cmd_data;
" g) t; y5 j4 z9 R - unsigned int data_count;7 ^$ {8 C1 w; A$ \" q) y8 Z
- } e2prom_s_cmd;
$ P: d k& ^! O/ v# l* O2 O. f9 m - ) F6 K. q% Q6 ~: J! F. J7 w
- #define E2PROM_CMD_READ 1" }) O4 L- I4 g1 h% ]
- #define E2PROM_CMD_WRITE 24 ^% j8 B! [2 v+ [+ S( E% |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* m1 N- U% A8 }0 L4 \! ~* `4 q; e
- 9 M# @8 w6 x/ }$ e6 \, H
- static int readparam(unsigned char *mac, unsigned char *stbid). I7 m; O' Q* g4 ^
- {8 P% W+ K- K( o0 N$ J3 a
- int fd, ret;; a) C' t8 { L7 A
- e2prom_s_cmd arg;
|9 x5 l6 A2 } - unsigned char buf[0x18];
( r: r- e. q# M* w
. A9 ]( l1 m. g, _- fd = open(E2PROM_DEVICE, O_RDWR);' \3 f6 ~8 m+ L/ w8 }% y; e- @" o
- if (fd < 0) {- e8 Q3 ?5 n% g$ m
- printf("Device %s open error.\n", E2PROM_DEVICE);: S' ?; v% t7 v8 n1 y; O
- return -1;* K" v& h1 U/ s
- }
/ d3 E2 C3 w \! D - arg.sub_addr_count = 2;2 f I# H) _4 N* `! R& w
- arg.data_count = 0x18;
0 @( X+ {, P! s" w# Q- _ - arg.e2prom_cmd_sub_addr = 0x290;/ A: N. Z+ p& S- ^; T, ^
- arg.e2prom_cmd_data = buf;
; P7 L( L1 G. h" ^2 D2 P - ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 n- o/ z8 |- _
- if (ret != 0) {5 ~) q& ?* B3 I, }; P
- printf("Device %s read error.\n", E2PROM_DEVICE);
4 ~: y: ]2 p7 Y) ?+ X! w - return -1;6 J) X' Y ]9 V. \
- }
" ?; Z$ u; y8 ?3 i# b - memcpy(mac, buf, 6);
* J6 Z8 f g/ @0 F0 L - memcpy(stbid, &buf[6], 18);
. s! E. x# {, t( `( r9 T - stbid[18] = '\0';1 O/ p$ X$ n) v' ]
5 l# o/ t% X7 D0 B2 A! |- return 0;& K3 l) i! u7 ], P# T/ E
- }
) L& x' z0 y* k% `
& c, c8 c- ^5 q7 c g0 M8 C; m- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 e4 Y2 p3 Y' A5 U - {
* r% ^& k0 F1 |! S - int fd, ret;1 M$ L0 g" u) o0 [, a
- e2prom_s_cmd arg;
: h& a/ [" h' W5 F - unsigned char buf[0x18];4 G# x2 t. i2 ^* g) c
) K/ |1 [: t3 F" t8 B9 c/ R- memcpy(buf, mac, 6);9 _: u0 e7 {* m) w
- memcpy(&buf[6], stbid, 18);0 r% L& L6 K7 x4 d
- fd = open(E2PROM_DEVICE, O_RDWR);' M* C5 A% A- w
- if (fd < 0) {
' J7 J8 j3 c( x! l7 w, u - printf("Device %s open error.\n", E2PROM_DEVICE);
2 X: u1 t |. ]7 |) A- C - return -1;
8 A$ A8 w2 p0 f+ A4 e - }( J1 O9 s3 @$ f/ q c
- arg.sub_addr_count = 2;
}% ]* g% L( t( f - arg.data_count = 0x18;; a$ n. t$ C7 p& [( q
- arg.e2prom_cmd_sub_addr = 0x290;
( n* W# A! D4 u- Y0 v- V( e - arg.e2prom_cmd_data = buf; M0 H- H- T$ y, G1 q5 o* o
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" x2 y# Q6 ~" o# z. d6 P - if (ret != 0) {
0 [2 ^6 k7 Y7 ^% ~$ g - printf("Device %s write error.\n", E2PROM_DEVICE);
9 a* Z$ J8 U( J9 X$ @9 e. j - return -1;( x' j& W; ]3 q0 J1 T% @
- }5 } r5 ?! H# F9 r
- + O8 n) ] H( f( k, {$ b h
- return 0;
O# r* b8 Z& V, ? - }
. M! Q' W# e9 Z6 t6 ^ - ! F, t5 f( \' h4 ?8 L
- int main()
5 E; {0 z; L! r* Z) y$ Z- l5 O - {
: w3 [7 i- s0 q- _( y- w - char c;
% `- ]+ Q0 _; Y - int i, macs[6];
2 v# K. k0 [0 _/ k! G T - unsigned char mac[6];
1 q9 p& }& |" }7 B! g( o - unsigned char stbid[256];, \1 T* \7 x; r2 W C
l( {. |# ~. b( B5 w- if (readparam(mac, stbid) < 0)
" i1 R% B+ D' _5 p$ T1 D+ ^7 r7 q - return 1;4 g+ H% m5 w q9 |. D5 V
- 6 ^3 t. i2 G1 [8 K3 @
- printf("Current parameters: \n");
$ K( O7 B, t0 S7 b, z5 \- W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); T# @. G) |0 b0 b) P+ d
- printf(" STBID: %s\n", stbid);
- r; q4 l& z# k5 B+ Y8 [! | - : Q; _+ h( i y( ?$ ?, x
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; I( H3 C3 g0 y( T/ T8 r; g5 z, N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# n1 a4 t3 [9 |$ ~: ]' ^) ~
- printf("Input MAC error\n");
3 {7 @% O7 i0 q; l - return 1;
; e' Y3 }- L& s' k - }
' X0 J( ?8 q7 @. x+ J8 @$ }$ Y - for (i=0; i<6; i++)mac[i] = macs[i];
8 X- x( X1 `# q }% Q1 G - printf("\nPlease input new STBID: ");1 q% L1 G3 d9 h8 ~ [
- scanf("%s", stbid);
" _/ K) F- c* T, [: M$ g6 w - if (strlen(stbid) != 18) {3 c+ @( J, S( h; ?% z+ o. D
- printf("Invalid stbid\n");
/ J& w9 G% m7 j - return 1;
( Z- m" Z- ^: B' A( Y - }6 ~+ }0 n; a2 P6 Z7 {4 x" \6 a
- printf("\nNew parameters: \n");8 a: a) r% g- |6 G& S- w; R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 l7 m/ K6 a2 s
- printf(" STBID: %s\n", stbid);7 e: j- r3 j# l) G: ]2 ^% p* ~& x
: q9 Z" y4 ~+ a- printf("\nDo you want to change paramemters? (y/N) ");3 u* o/ ?4 ~; d) E
- for (;;) {9 E. `) g' u! R% ~
- c = getchar();; _( f6 l7 _& }8 [
- if (c == 'y' || c == 'Y')
8 v9 _4 e; r, Y `6 y5 M" w' n - break;
! f8 g/ j" A" q8 u - if (c == 'n' || c == 'N') {2 m& Y' b& R3 [$ i. Z
- printf("\nAborted.\n");
/ a, Z7 u+ R5 \# I: C; R. t - return 1;6 w. K# H; l4 ^' w& ^6 K B
- }
1 b2 P3 g9 \+ v- Y - }, @' G2 U. B; u# f
- if (writeparam(mac, stbid) == 0)
9 K, q8 f' @+ V2 I! M% G - printf("Parameters changed.\n");2 u7 X( G; q% P
1 c# _( }3 a, T8 Z- return 0;) j' N8 n0 T& T, a9 [0 ?9 x" p
- }
复制代码 |