本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。: _" C7 L4 t# W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
8 m* c P$ l, e+ R4 g - #include <malloc.h>
) }' J( ?0 H7 O5 i& o - #include <sys/types.h>
5 \. m6 b! o4 c, n# k$ _ - #include <sys/stat.h>
2 k5 o9 o" [- h - #include <sys/ioctl.h>. u/ M: W- W" Q5 P; o& F1 ^. U' q
- #include <stdio.h>
5 ^' t" m0 p3 N- w4 q - #include <string.h>5 c% l# \/ S- ?: |/ ~/ U
4 T: z3 Y: T: j4 J* b- typedef struct {: G3 i% G1 k% Y# E) h
- unsigned int e2prom_cmd_sub_addr;3 t" j% E0 j0 a: ~- z' n
- unsigned int sub_addr_count;
; T- f+ `" @8 L* S& F - unsigned char* e2prom_cmd_data;& P! D4 r3 f$ L2 g$ A
- unsigned int data_count;
) P+ F6 c: r" P @ - } e2prom_s_cmd;8 d7 n2 n/ p6 x
- - E( Y; z+ \& S. i8 G- a+ |
- #define E2PROM_CMD_READ 1
) s5 K$ Q+ u2 j - #define E2PROM_CMD_WRITE 2
6 M. o6 @& }, G% x% W3 F) t - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 @$ p: N8 n- Q/ _3 Y; M
- 2 _5 Y- b' s* d) Y& ~1 l+ F6 w4 ~
- static int readparam(unsigned char *mac, unsigned char *stbid)" {+ T ^. C6 Y& k
- {
9 u8 C! D* H" c$ u4 _- b - int fd, ret;
v* _" x0 {6 y" L/ l/ w% v - e2prom_s_cmd arg;
- M1 C* y/ \( c) j - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);, o) q6 f3 p4 |8 b+ ~! p. w# B
- if (fd < 0) {
) p* d* O4 R5 u7 H - printf("Device %s open error.\n", E2PROM_DEVICE);0 @+ e! i! M" T2 L) V
- return -1;/ k( V( w+ [8 Z( ^2 B6 ~
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- arg.sub_addr_count = 2;
4 y& K7 Y, f9 C3 o9 V - arg.data_count = 0x18;' k3 y1 ]9 a. r9 \3 ?/ y
- arg.e2prom_cmd_sub_addr = 0x290;$ {6 I9 M% O7 Y6 f/ I$ B1 u
- arg.e2prom_cmd_data = buf;
1 Z/ |) s3 f; S7 d5 I. i6 Z( S1 V - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' z3 z2 ~. ^' p- s
- if (ret != 0) {; m! W& p0 N$ e& V" ^
- printf("Device %s read error.\n", E2PROM_DEVICE);: V$ F$ A4 E; g b d2 s/ P
- return -1;6 ~3 H& L) C8 t$ p. q- W
- }' H! \7 t- J4 m' i1 ], t
- memcpy(mac, buf, 6);
6 a! r) V9 T2 o4 w) C: E: c, J - memcpy(stbid, &buf[6], 18);& V2 Q& M, E- T) H( q! C
- stbid[18] = '\0';
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( Q+ b" |7 N; r% b7 d3 D. C; `- return 0;% A0 E- L( u+ U
- }0 [4 A! E, p. ?, E4 b$ H
- 1 E' v* L/ j% r: U
- static int writeparam(unsigned char *mac, unsigned char *stbid)# Z s$ h1 {) f, x, s
- {
" d/ p6 ^: J2 d3 f2 ~: e - int fd, ret;
. h( c9 n, F( v; ^ - e2prom_s_cmd arg;$ X+ m9 N* {9 x0 @$ ]/ p" c
- unsigned char buf[0x18];# q `* ]8 a8 K% K- M6 u
- - ?0 P; A. l. G$ K8 I
- memcpy(buf, mac, 6);5 q# }0 L& d: g5 X
- memcpy(&buf[6], stbid, 18);5 v- R0 s* n. G* B( ]( C# O1 c
- fd = open(E2PROM_DEVICE, O_RDWR);( ]! C8 [. j* _1 }1 h
- if (fd < 0) {
& p' ^; ]" ?+ ^ S/ O - printf("Device %s open error.\n", E2PROM_DEVICE);6 p0 ^$ X" P I4 Z |8 v4 w
- return -1;
K4 P3 Q7 S6 j# P - }
5 g5 T+ z) k% z( B% A - arg.sub_addr_count = 2;2 H" \5 I8 A& G, H1 w" k! {
- arg.data_count = 0x18;1 x0 U" z* _6 v
- arg.e2prom_cmd_sub_addr = 0x290;
# L* X, k( m$ `8 D4 p# [4 d8 \, w - arg.e2prom_cmd_data = buf;
: c$ H9 [: O3 x/ E) y" p j - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
9 s) [" s( e. g& a7 Y( ~' R6 K8 g - if (ret != 0) {
6 ^6 ^! x9 o* \+ k% v; q/ H - printf("Device %s write error.\n", E2PROM_DEVICE);! q3 [# Y; h r9 v* ^
- return -1;) y$ L/ `. R$ {) y
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- return 0;0 f# i! a" Q* k! J
- }
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- int main()! ~9 e, P2 B5 U) g5 L7 c
- {
" h i+ {1 s5 B. } - char c;
5 v5 q* d1 h" i# O0 H0 z ~+ F1 g - int i, macs[6];
7 a8 O# j; v: p' s1 K2 P0 O - unsigned char mac[6];
; ^# Y; ]' D/ F% _ - unsigned char stbid[256];
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$ f a- P2 }# O* A/ V' _. G9 ~: D X- if (readparam(mac, stbid) < 0)
/ N' [- E3 D! M$ C& a$ z - return 1;$ B' Z' O. ^0 ~3 H
- , i* Z! c9 Z( S+ {/ J* y
- printf("Current parameters: \n");! b _7 _2 P$ i2 ?% R6 E3 t, k/ ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# L- O9 ^0 e( W* R" d5 B. f - printf(" STBID: %s\n", stbid);( q8 r! _9 X9 R3 y9 K& q' q
- 4 k. h2 M% K6 K" b7 q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, h# o+ G( E4 A, ^, ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {, G2 s# c+ O9 l6 L
- printf("Input MAC error\n");- Z3 R( l. v* x) K* D
- return 1;: [; S& Z& S1 c4 Y( U
- }
! W" I' o0 ?3 ~+ r! s7 ? - for (i=0; i<6; i++)mac[i] = macs[i];
2 p b, N0 T5 |, P( E - printf("\nPlease input new STBID: ");. w+ U/ W. y9 I8 x4 {: q) S; q
- scanf("%s", stbid);
% K* H/ X) M5 D - if (strlen(stbid) != 18) {* I# y$ g% b, W2 c
- printf("Invalid stbid\n");$ z7 J' e! T$ R" U9 \, R
- return 1;
, V7 k7 B) H( L t* `% Q - }
& e! X& R B+ B9 h - printf("\nNew parameters: \n");
1 @" Q' ~/ x; d B. }, M) e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) Y! u: j$ r3 b2 n( i- D. C, V - printf(" STBID: %s\n", stbid);: L% s# ?& {6 r- Q$ `( w) [- E
- ' L1 o0 `" ]' F) {
- printf("\nDo you want to change paramemters? (y/N) ");
( e, f$ g8 R& ~, V0 D! Q, ]8 }6 F - for (;;) {
, }: V) O( q2 ^% n0 {# X3 d. x) O - c = getchar();
x& m+ {% e7 i# I6 b - if (c == 'y' || c == 'Y')
. ?# b& L# x) G( J0 I0 l/ R - break;' O; U6 @9 |$ r* D. O3 X
- if (c == 'n' || c == 'N') {
2 C- a2 }8 x5 |3 h H% T - printf("\nAborted.\n");7 ]: h R5 J8 L; F* i, @( a
- return 1;
5 q+ O( r: ~ D7 } - }
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- if (writeparam(mac, stbid) == 0) ) c: p7 S9 A+ j# W5 O; j/ Q; o
- printf("Parameters changed.\n");
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( ` {3 Z @' d4 Z4 G) {1 _- return 0;+ A/ v- f# ?5 a7 A4 d( f
- }
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