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。# J Q* |8 n T& ^, X+ j6 G1 v
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ W6 b; N* J( {) P# t
- #include <malloc.h>
+ j; @+ }* V4 h# g3 m - #include <sys/types.h>
) z% m8 l- l- Q! v+ B - #include <sys/stat.h>
% U F; N' o6 m - #include <sys/ioctl.h>( G- b" ?# X) G' q
- #include <stdio.h>
0 L' s) ?# h0 k1 |0 b7 i4 B2 I - #include <string.h>0 _) |7 _4 U1 q* x1 w( P
" V$ t1 H. b' \$ b- typedef struct { V% A, f( g0 q5 W# @. W
- unsigned int e2prom_cmd_sub_addr;
* S6 c3 j: ~ T7 l8 @! g# Z0 k" O1 y0 { - unsigned int sub_addr_count;$ P' x! |$ a' o. C% K6 e! K8 o, Y, \8 X6 k
- unsigned char* e2prom_cmd_data;5 H) _5 e- B& L6 {
- unsigned int data_count;
& _/ M1 K0 d7 q. ` - } e2prom_s_cmd;2 j3 D+ F, l( ]2 Z' i
9 \1 q, ]: |" ]3 A" U) q- p+ Q- #define E2PROM_CMD_READ 1$ w2 E3 k3 ]9 a. j7 l/ ^
- #define E2PROM_CMD_WRITE 20 l9 z3 h. \# b5 P. g
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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7 ?9 J+ u3 l8 N/ f/ `8 P- [- static int readparam(unsigned char *mac, unsigned char *stbid)9 e6 ]. N6 r. P: Y# b a% E. I8 E
- {
: I7 J& Y& S! U - int fd, ret;
% L9 b% ~, i: u4 F. t - e2prom_s_cmd arg;
- s) f5 t* ?! u* n' h - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
4 L2 F+ N: S C - if (fd < 0) {
4 e4 u! h3 i; h. G. n - printf("Device %s open error.\n", E2PROM_DEVICE);5 U( O- ?" [/ s4 g& _0 @
- return -1;2 G0 |- W5 b' s7 P$ B% P0 @' ^, x% m
- }
4 h' o4 A \' J5 `" X! m - arg.sub_addr_count = 2;
. B& l. e) K/ A# N - arg.data_count = 0x18;/ K" P# f$ w! @) G4 p
- arg.e2prom_cmd_sub_addr = 0x290;* I( p7 s$ S( _' a( d, {
- arg.e2prom_cmd_data = buf;
* O8 T8 Z& @& K, U8 v% R& ]5 u% j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);8 f5 S% J' `( o7 _
- if (ret != 0) {
4 ~! q/ v6 k( h5 n+ J* Q9 t - printf("Device %s read error.\n", E2PROM_DEVICE);
% B& N% a! g1 F8 B* d# G5 d- E5 A - return -1;
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- memcpy(mac, buf, 6);7 m4 b' O$ G& {; w6 o: B
- memcpy(stbid, &buf[6], 18);7 B. d( [( [" u0 D7 c
- stbid[18] = '\0';$ C8 [& g& p' b$ J+ F
6 c) w+ ?) U4 a: F: t) z, _- return 0;
) M& \' [- g* z9 h - }
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" ^; n, a$ C9 A3 A- static int writeparam(unsigned char *mac, unsigned char *stbid)
- f4 u' T. E/ h- v2 I - {% I4 y1 ^* |4 b
- int fd, ret;
/ C3 X Q$ M+ Q3 o1 w1 r/ p, i- h - e2prom_s_cmd arg;
^( o- } a4 e& ~- p' {$ l0 l - unsigned char buf[0x18];. y# b" {6 D" g; p- P5 `& D/ {
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- memcpy(buf, mac, 6);
! Y% Y' K" }& [ - memcpy(&buf[6], stbid, 18);" T) K" A0 n0 n) [2 I4 x8 I
- fd = open(E2PROM_DEVICE, O_RDWR);
: N, D1 s+ w0 R! ^0 |+ S$ G - if (fd < 0) {% o# }% {) S$ m. r. Q' n Z
- printf("Device %s open error.\n", E2PROM_DEVICE);
) x, f3 W8 w8 ^5 G+ @ - return -1;3 {" t9 k, Z& s4 {# K( C! @
- }
/ A4 R; V0 a0 u6 `+ u! z. Z - arg.sub_addr_count = 2;
W( r* s" u" A; @) h" f+ {- h - arg.data_count = 0x18;1 i+ F c# g+ C1 J
- arg.e2prom_cmd_sub_addr = 0x290;; q, X6 w) Y6 `& n6 C' x8 b+ B
- arg.e2prom_cmd_data = buf;6 ?4 H+ J2 b2 n
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) Z* k" _* A$ S; i( o' o
- if (ret != 0) {) K6 y( L0 Y# L" n
- printf("Device %s write error.\n", E2PROM_DEVICE);
- o" n8 B: ^2 x0 @ - return -1;
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- return 0;' R" z* J$ H9 ~. N7 c2 ^4 J
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- % |. K3 F! P* B6 u' t/ z0 _
- int main()9 w+ y) l# ~* n5 c. _
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- char c;
9 o7 Y9 C+ u( g. t ?3 ^ - int i, macs[6];
7 O1 l: h* X% T3 w - unsigned char mac[6];7 Z8 j3 g3 v) l7 t0 |6 z
- unsigned char stbid[256];( j( Q) ?) T! }0 J! S4 g. |
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- if (readparam(mac, stbid) < 0)! g0 x5 f& L& }5 _7 @, y! e3 C3 ]
- return 1;
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- printf("Current parameters: \n");9 y$ G/ r( `2 n) C- f7 F% U
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 Q3 P* N. l, `0 j" ^ - printf(" STBID: %s\n", stbid);9 @# _- f0 ~; c8 H
-
) e' V, d8 W% j I! f3 ~ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, n4 O1 D1 |( `& [) [; l - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 B! y& V2 P. n, f1 ]4 x - printf("Input MAC error\n");
+ y+ v# k0 |$ A' O: C" C" r. q6 t U4 c - return 1;
: C# x# Z" Q7 O; N* K - }
1 ~7 p4 U) Z: ^% ^ Y - for (i=0; i<6; i++)mac[i] = macs[i];
' K9 N4 {! H1 V( J - printf("\nPlease input new STBID: ");
7 h# _) o/ u/ D1 n - scanf("%s", stbid);
1 B/ Y/ x T1 [* |% G, a1 K - if (strlen(stbid) != 18) {+ F% r. x# k9 l( N: {# [
- printf("Invalid stbid\n");
) `9 g- D; s4 P1 I/ B9 R0 i1 t# I1 M/ i - return 1;( u' q9 @% v. X" v& m% |
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- printf("\nNew parameters: \n");
0 X/ u5 h5 I% j9 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 [% g3 m3 j7 O" {4 b3 a
- printf(" STBID: %s\n", stbid);
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9 p" M7 S9 q$ X% O* D8 {- printf("\nDo you want to change paramemters? (y/N) ");- ?# O! Y3 h! S4 t
- for (;;) {. e$ I$ S6 r. O- z# C
- c = getchar();. H6 g. e9 u' l4 e2 I# Q) Z
- if (c == 'y' || c == 'Y')' D9 A- T$ g; ^+ l9 l' W
- break;+ D B6 m5 h0 L3 b+ u3 g( u( I
- if (c == 'n' || c == 'N') {2 P5 e, J! r# q; c% V, j
- printf("\nAborted.\n");
) d% Q5 g# W5 _ - return 1;
: n* ?" i9 C2 j+ |) s O - }
1 Z4 D; |5 ~) D$ Z! U! B, p - }
. {3 U* g6 K x+ g) A2 X - if (writeparam(mac, stbid) == 0)
# J4 ]' |# K. D8 P/ _ - printf("Parameters changed.\n");
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1 _% d- V) y. T8 f w0 s+ `( N- return 0;1 m) Q5 p2 n' H( D e
- }
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