本帖最后由 0522 于 2012-3-21 23:04 编辑 7 z* j: S S# D. G3 Q9 ^) n
7 \+ Y) \) u8 R修改的代码早有了。到今天不会编译。" D- F5 M/ @2 v% n( G) @. ?. W7 z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" F) U% x0 E: c/ b# ^" Z4 z& h - #include <malloc.h>
' e' @% C% w8 x8 z, ` - #include <sys/types.h>
, q( q8 Z$ j+ a4 M6 t - #include <sys/stat.h>0 p. n1 p$ I, a* v
- #include <sys/ioctl.h>" s2 @9 y. {/ H2 N2 Z
- #include <stdio.h>
5 b8 N u9 a, K) b3 N/ g' F$ ` - #include <string.h># I* X( `9 y1 X( ]
- ; l/ q2 X7 Y% M3 g1 C
- typedef struct {
$ P5 L7 F: N2 o* l/ U0 c! F4 C, d" O - unsigned int e2prom_cmd_sub_addr;* S4 a& h8 t; E
- unsigned int sub_addr_count;5 v3 R, a9 {0 j' p. y
- unsigned char* e2prom_cmd_data;
/ H0 J1 `4 R, B8 F - unsigned int data_count;
8 i+ k" W" G8 N5 T - } e2prom_s_cmd;9 t2 I: ? h# B2 g9 x) B! f
4 j/ q, a: ~0 a0 a- #define E2PROM_CMD_READ 1
2 S1 o( D0 f7 d+ ^1 t - #define E2PROM_CMD_WRITE 2
- H3 r( h$ N% R: Q! O$ E; s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 d. @3 _4 ^- A# G
1 i5 y6 T* R( f& W- L- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
, ?" u+ S, `7 ]. Z$ K/ R - e2prom_s_cmd arg;1 H! @' O7 A1 ?( |( ^
- unsigned char buf[0x18];
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0 r' B' p J- m/ @- fd = open(E2PROM_DEVICE, O_RDWR);
" n' g" H8 Q5 y - if (fd < 0) {
+ \/ Z# G. ?" W. M% z0 I - printf("Device %s open error.\n", E2PROM_DEVICE);
- l5 ^: e2 I6 Z - return -1;
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- arg.sub_addr_count = 2;
- a+ m9 H% l) S) O6 N - arg.data_count = 0x18;
& T$ x- k' i) i - arg.e2prom_cmd_sub_addr = 0x290;6 @% n2 i7 L4 |) g
- arg.e2prom_cmd_data = buf;" ]$ o; G4 V% b* }* D9 I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% A9 J" ?* g+ q3 j$ L
- if (ret != 0) { G7 h( b4 o* C' z1 H1 g- p1 n
- printf("Device %s read error.\n", E2PROM_DEVICE);
& ]" T# c2 [/ Y; n: h" r - return -1;
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- memcpy(mac, buf, 6);
& c% A- g$ o7 j/ F6 k6 x$ M' S - memcpy(stbid, &buf[6], 18);& y! Q( j8 Z; E
- stbid[18] = '\0';
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- return 0;0 a! ]" @" q1 `% b- d% W; P$ z
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: r" |% v+ v- [* q- static int writeparam(unsigned char *mac, unsigned char *stbid)+ z/ t; A8 i$ H" r* h% o# e
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- int fd, ret;- y }7 F+ o6 F; O0 g0 ]2 ]! y, ^
- e2prom_s_cmd arg;, x' C- M" c) c4 K9 z0 A
- unsigned char buf[0x18];7 M4 s* Y. X3 \* z) e$ h- t0 ^( l
- 3 B" y, o+ \6 K& A' d, m. y
- memcpy(buf, mac, 6);& R, v5 ]4 ~+ Z9 Q1 _
- memcpy(&buf[6], stbid, 18);
: V0 f6 L8 Z5 H' x# W - fd = open(E2PROM_DEVICE, O_RDWR);
9 P- D( }5 H1 ?. _' C! A - if (fd < 0) {- ~. m1 E) s, S6 h( O( z% B: t: F2 ^ y
- printf("Device %s open error.\n", E2PROM_DEVICE);
( c( q A% F1 H4 {; @0 | - return -1;
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- arg.sub_addr_count = 2;
, Q: ^0 f1 t$ H) ~$ U) K; z5 m - arg.data_count = 0x18;( S8 H1 z0 O' h! s0 R
- arg.e2prom_cmd_sub_addr = 0x290;
3 C$ j, [# K. B7 b% Y; q - arg.e2prom_cmd_data = buf;
% x6 W) k% |0 ~7 x - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' X+ Y- l) ~- e" P& L. ?( ~
- if (ret != 0) {
, L# A) n5 p/ F2 Z7 g F, w* s0 T7 g - printf("Device %s write error.\n", E2PROM_DEVICE);
" g. X) Z! E! ?4 V - return -1;
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4 D* z4 ^( H" W5 `' a! e6 g- return 0;
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* u, ], V! a4 H2 R# e, @! b( S- int main()
) p6 A6 C3 Z6 q7 r4 m - {
' b3 n" |& s x0 f - char c;5 v; W! a7 k* @' S& q& t; ~# o
- int i, macs[6];
; M1 C8 U( Q+ l* v; | - unsigned char mac[6];4 P6 x( [. N' t
- unsigned char stbid[256];
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8 `2 U V. E# b4 Q/ A8 k" A- if (readparam(mac, stbid) < 0)
; R& V- A* L, ^, y( a. \ - return 1;
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- printf("Current parameters: \n");
- `; \# J e( x- y4 ^0 G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 X- A* Q& R5 U! M" e& S
- printf(" STBID: %s\n", stbid);! D1 A" `% v& x
- ) a( s1 P1 L# ^9 Y9 j% ^
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, H8 ~+ \6 U d+ L" m' s, z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ d7 l: z. m( P) R$ w* S% W+ Q# S
- printf("Input MAC error\n");8 }( _4 F/ f( L7 [- ?+ {
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];( N0 P4 M. Z3 s6 B' ?
- printf("\nPlease input new STBID: ");* @% ?4 I1 L' h- ?- t; i4 h
- scanf("%s", stbid);
; k7 \3 h' i% O) k4 s# k - if (strlen(stbid) != 18) {# Q/ c6 a0 }* L
- printf("Invalid stbid\n");3 R7 I% l! x' c! \: V! X
- return 1;
- U2 l) |3 e7 x$ U. A - }
0 E/ c7 k' Z) @ - printf("\nNew parameters: \n");+ t" p! \# k0 ?- Q9 p5 s/ z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; c7 I0 b7 r5 ] g
- printf(" STBID: %s\n", stbid);% T3 {, D5 K! K, ]% j
- % w7 O( Z8 u9 E* Y% J
- printf("\nDo you want to change paramemters? (y/N) ");
1 a, n! j# d. K, O - for (;;) {
: e, l. D7 j2 L% m. \ - c = getchar();+ G; W% t/ F- K, N, u
- if (c == 'y' || c == 'Y')
% X- S( P/ x7 W9 q - break;
1 N: x8 M$ S. p# J9 Q - if (c == 'n' || c == 'N') {
0 F2 R' a3 n& \+ l! H* v - printf("\nAborted.\n");/ @5 @+ l( K1 k$ b" w9 b
- return 1;, t7 D8 D7 J6 U X
- }& f% T K" m+ b4 b, X
- }$ v! h. F/ c/ k# o
- if (writeparam(mac, stbid) == 0) ( B- |; G2 X6 {6 g" b8 S/ h
- printf("Parameters changed.\n");
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2 I7 j/ D/ C! N- return 0;
# O3 V; k2 B9 w, \9 Q - }
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