本帖最后由 0522 于 2012-3-21 23:04 编辑 ; E( ^( _- c5 @" s# d z0 Q
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修改的代码早有了。到今天不会编译。3 R$ e5 t5 \2 v+ i I
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 M1 O9 \" f+ X+ |5 \ r4 N
- #include <malloc.h> ?3 i9 g8 ~8 N7 h. ^
- #include <sys/types.h>
) i1 ]: g: z) e* ?% v: h# N# a& \2 Y - #include <sys/stat.h>
( r- `* J% B' l! s+ {! J - #include <sys/ioctl.h>
5 o# N- X0 u/ `5 q$ d3 Q; | - #include <stdio.h>
" h! D4 a+ x* o" e/ Q# M: ^ - #include <string.h>' A s0 C+ q1 k- K& ~, p
7 L1 L3 T; H- u$ k) `+ o- typedef struct {+ M7 |- @. B' t8 N
- unsigned int e2prom_cmd_sub_addr;
- q/ F, v& K+ X. J" o - unsigned int sub_addr_count;
) b% n( T4 M$ c: @ U5 ~+ n3 |- e2 { - unsigned char* e2prom_cmd_data;
R2 S( t% |% _, k4 @ R) x - unsigned int data_count;
& K7 g' ^ k( w& s - } e2prom_s_cmd;
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$ C6 C c& e3 F$ n# x6 C8 T; Z- #define E2PROM_CMD_READ 1
2 z/ ]8 N* m" }7 n/ F: ~. |+ Y - #define E2PROM_CMD_WRITE 2
5 v+ ~* R q A4 L) J - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;9 Z8 `$ J1 o8 L" G$ O: ~
- e2prom_s_cmd arg;0 f% l( g: ?1 A2 H- b8 }
- unsigned char buf[0x18];9 e/ Z# ?4 O3 s" p" C2 k
- 1 U. Y8 }4 N. A$ v' S2 j1 ^
- fd = open(E2PROM_DEVICE, O_RDWR);
+ p" Z6 m" k- z" h* k+ ]; @+ X0 I - if (fd < 0) {
0 g8 |/ d' X: D7 x6 u( K G' B% g - printf("Device %s open error.\n", E2PROM_DEVICE);
* W! q7 A# \% @0 P3 x1 X6 B" J - return -1;' H$ [: x8 i+ K. s" X
- }1 [+ {6 T3 s1 S) M
- arg.sub_addr_count = 2;
& E+ M: k: s% d; J; l) c( H - arg.data_count = 0x18;
* b/ S" v. T0 m. x, ^ - arg.e2prom_cmd_sub_addr = 0x290;) ]/ ~3 y: o! {% ^( J: [+ S
- arg.e2prom_cmd_data = buf;
% I4 j" s$ B, P* Z9 D. p. L* H# g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
& E Z }0 h; }0 v - if (ret != 0) {7 R! E& Y- m) W6 W- P w
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 y* Q Z( |0 h( u' m( s - return -1;
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, E9 a4 T3 I, @) @# [1 u* x - memcpy(mac, buf, 6);
/ M# E8 Y& L& P S - memcpy(stbid, &buf[6], 18);% S) Z) ]4 f1 K' U3 d
- stbid[18] = '\0'; f- Z& V# C* P( E5 e; H9 D" O
- % E$ y3 |4 e' G) f
- return 0;
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8 k1 G7 \* ]0 @* E0 h+ @/ `- static int writeparam(unsigned char *mac, unsigned char *stbid)
- ^, \. l& F: `! {0 \ - {
7 J6 g9 B# l% F [ - int fd, ret;& n) u4 U Q! f9 E" w
- e2prom_s_cmd arg;4 x% V! T" b4 D" ]
- unsigned char buf[0x18];
& F5 \) E0 E( }: K) _( S - 4 k; y; \* h+ O4 H5 b4 |' R7 {
- memcpy(buf, mac, 6);
+ a& F, q# L& n5 M& P% x - memcpy(&buf[6], stbid, 18);: H/ F; I4 n. y9 H- H9 D0 ~; @9 h$ q
- fd = open(E2PROM_DEVICE, O_RDWR);- ]5 {& ?% X8 c
- if (fd < 0) {' A4 S( m1 Y' f# U M
- printf("Device %s open error.\n", E2PROM_DEVICE);& h2 j& T0 V5 O: m W; ]! M
- return -1;, ]' e4 H( k: i+ |0 w' f+ s5 q
- }
- D/ F" C8 n1 k( {; i9 n+ @ - arg.sub_addr_count = 2;
1 b( Q0 M3 e1 |: K# U - arg.data_count = 0x18;6 `6 t# l1 l7 q# Y: A# j; T# |3 l& ?' j# w
- arg.e2prom_cmd_sub_addr = 0x290;
, p) _1 x1 V. K! \: g- V7 [ - arg.e2prom_cmd_data = buf;" h" ]) ?: t2 a; c+ P% A
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! Q& s: X) C/ y: Q+ x0 f% R - if (ret != 0) {7 D5 Y- q* D* |( B2 Y0 V
- printf("Device %s write error.\n", E2PROM_DEVICE);6 p. R. ^8 U9 m% L
- return -1;+ E4 z9 \" b1 h/ m, A
- }
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$ C* b4 ]1 e S7 } ]- return 0;( D n/ U: p1 ]- f' a0 r
- }
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- int main()
/ B' P) L1 I/ p6 r# o - {
% v; L) \/ P E+ p& n% j% S - char c;
0 ~' }- J9 D; s4 l3 R - int i, macs[6];
- [: s# p9 j, w/ a - unsigned char mac[6];
; {/ M# h. r; w0 w" b4 C - unsigned char stbid[256];% x* d+ m1 q/ S# v9 V
- ( k+ z0 _5 b: B* q5 G, C% c
- if (readparam(mac, stbid) < 0)
0 _* s3 w& t h - return 1; p. l3 K, L' |' C) o- A
- . [& r4 d4 @* O
- printf("Current parameters: \n");, L* ]$ j1 I7 {4 B6 ~. V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. V. A6 R1 K: j
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( o. T, v8 f6 D7 _0 p
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; W3 g$ R2 C4 u: |+ Y" w. P6 ~
- printf("Input MAC error\n");
* w4 C4 [' t# J8 K - return 1;
% u0 Y2 C; i/ v' ^+ A# g, x - }- c2 t& C. W4 V- p6 I6 g
- for (i=0; i<6; i++)mac[i] = macs[i];
' w7 b# Q' }: ^3 [ - printf("\nPlease input new STBID: ");
I, c) |) o3 Y% |8 s' m' ~( J: B - scanf("%s", stbid);+ \6 L+ N4 i' u+ W; T
- if (strlen(stbid) != 18) {$ R: U- v1 t2 f! [8 D" O0 N! a
- printf("Invalid stbid\n");
4 B0 R7 r- M- ^3 Q! E0 \ - return 1;
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- printf("\nNew parameters: \n");- i, }. ^; E/ T7 u4 w5 Q/ [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 e, a% ^/ `3 c! _: G. E1 k - printf(" STBID: %s\n", stbid);
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1 U! K7 `: L7 P; h4 b2 i- printf("\nDo you want to change paramemters? (y/N) ");' |) u2 g2 K1 w4 D2 H
- for (;;) {2 m7 J+ x: a$ N7 ~
- c = getchar();
! F. b$ u0 C+ t( E - if (c == 'y' || c == 'Y')
+ e! U; }8 i2 t* a. `$ L4 P* N - break;( i8 n: h2 c. q) O: o$ O. I5 @
- if (c == 'n' || c == 'N') { r4 t6 c- m+ q1 z# e: s/ J* u
- printf("\nAborted.\n");
: K* M: F% Y$ n7 V; v - return 1;
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- }8 {7 Q) g% h" T$ c0 h9 O# I3 X
- if (writeparam(mac, stbid) == 0) # m$ F) }) @6 @- |& N
- printf("Parameters changed.\n");
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( z+ u, q+ Z: f' J- return 0;: K: P9 C7 \8 f5 l3 L# T: w$ L" c( m V
- }
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