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。% W# I3 v1 c" `+ u) h( I& W4 V _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 n8 w4 p# v% x- }: m; p" b - #include <malloc.h>
1 z- G, ]8 |" b - #include <sys/types.h>: m7 R( @# \' f% r" m
- #include <sys/stat.h>1 g' c; c% |) R" o' A+ J
- #include <sys/ioctl.h>
. m2 Q8 S" E8 A1 U' K - #include <stdio.h>. Z. g) F8 f/ `- y' K
- #include <string.h>
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- typedef struct {' g$ z- A2 O# f
- unsigned int e2prom_cmd_sub_addr;
; X2 D5 B2 k y - unsigned int sub_addr_count;
# t9 P4 Y: L& y5 l - unsigned char* e2prom_cmd_data;
0 x7 l' X" i y4 D - unsigned int data_count;1 E( S/ j/ \5 k/ j! ]6 V6 h
- } e2prom_s_cmd;5 q" v! I) y$ |0 J
- $ F. s* {" _2 d4 T
- #define E2PROM_CMD_READ 1' O4 p" a" Y" d- ] t- T
- #define E2PROM_CMD_WRITE 2
4 [' G, F, V0 _/ R# @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
" i3 b8 W4 }7 T6 K7 B6 t - {
+ s% Z* ^4 F- E# t9 X# N2 d4 t8 O - int fd, ret;
& H7 X1 n1 k) X) c3 R - e2prom_s_cmd arg;
+ L# t7 f' D4 j" J* q9 k4 X - unsigned char buf[0x18];1 v9 U1 ]$ r! Y
- ( H" l7 S" G5 U# J" J7 E
- fd = open(E2PROM_DEVICE, O_RDWR);
- y) D- c/ ^4 u - if (fd < 0) {* N! S4 e G5 g8 f0 v4 {
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 k1 w" ~7 }% t X( B+ x% ?( j6 { - return -1;
0 H' e# B! V* q; }) n- Z - }; s0 _3 M0 ~# G. X
- arg.sub_addr_count = 2;1 v% w& Z/ u9 \: l+ M6 X
- arg.data_count = 0x18;
& P) |7 t6 b& q2 y - arg.e2prom_cmd_sub_addr = 0x290;* O* R9 o; m1 h
- arg.e2prom_cmd_data = buf;7 y1 l3 P9 C3 m4 B9 V E- U
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 z9 `, v; h; M! q0 A - if (ret != 0) {
5 I6 d3 i* ]" k2 Z - printf("Device %s read error.\n", E2PROM_DEVICE);- u) A* i) A2 l7 ?4 z3 Y
- return -1;, f; V2 A6 f" n6 d
- }
' y; \' H0 S! K1 s - memcpy(mac, buf, 6);
! i0 @! }. ?! W - memcpy(stbid, &buf[6], 18);5 A8 y; ^) f! l/ w' H( H
- stbid[18] = '\0';; h! ^! w# y# F7 K+ S" B% Z9 [% Y
- : c( U2 ~* k. |0 X. J9 C
- return 0;1 z, I0 [: D( k
- }: g# t, S, S" z% P( s& T) d4 h5 o( Z
% c2 [ o* k! L; K9 e9 c4 V- static int writeparam(unsigned char *mac, unsigned char *stbid); [0 ]# K1 v* D* E/ L2 T4 |
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- int fd, ret;4 C5 ]% s! S5 c2 v# V) N% U
- e2prom_s_cmd arg;$ y: R& A0 P; [7 x
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
& p1 b+ Z* y- e* @& j - memcpy(&buf[6], stbid, 18);
' V* z( ]6 q% ]6 e# F4 J - fd = open(E2PROM_DEVICE, O_RDWR);( ~1 L* b6 Q4 Z4 a. }. L
- if (fd < 0) {
( ]0 W9 s4 \0 E% C: T3 s$ ^5 h - printf("Device %s open error.\n", E2PROM_DEVICE);! W& O5 ]# m9 `' m; v9 [3 \3 C/ z
- return -1;
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- arg.sub_addr_count = 2;
( T+ j# y& R7 t* t* C - arg.data_count = 0x18;9 c# M3 ?7 _: s: O8 Z: z
- arg.e2prom_cmd_sub_addr = 0x290;" v" r/ J/ a- t! l; S' } T
- arg.e2prom_cmd_data = buf;) K" F, j4 f$ `; {0 i0 w
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);- h- I# }. u1 h
- if (ret != 0) {
6 j& M0 Y. O+ b0 W! p8 h' x - printf("Device %s write error.\n", E2PROM_DEVICE);
# Y* _9 `. J1 J# X: v3 K - return -1;
D5 C9 O1 W9 k D4 ?# K9 E - }
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- return 0;
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3 }% ^1 ~4 a; k; f+ _- int main()
9 ^+ l% h7 Y( ~ - {- e3 X, f. c1 _/ u/ P5 s2 n$ E/ P
- char c;
6 R. H l! b' y8 L" ^" O Z - int i, macs[6];
b- ? C+ d# Z- w0 S& k - unsigned char mac[6];4 }; Q+ Q$ b6 G7 `! `
- unsigned char stbid[256];
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" w( {/ k6 U% w8 S* X# ~) v- if (readparam(mac, stbid) < 0)% P* K. c/ Q; [) O
- return 1;
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5 \" L, ^6 s7 F" |9 F! m$ \- printf("Current parameters: \n");! {8 Z4 [; t4 O) u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! w$ n" \9 e+ M7 K0 o( g
- printf(" STBID: %s\n", stbid);
$ I6 k$ s' b" c2 K. H: ~ - : z: S: R7 Q1 z9 y: {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 b5 t: w0 C2 @; Q: [# U* _ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! `$ `, X& f1 t: A* x, B7 B8 U
- printf("Input MAC error\n");
! ~* F8 \" v) }7 P( d2 D$ Y- s - return 1;* o' i' {4 H7 S+ A+ r9 N
- }
3 T" z( T' Z" c m/ e4 e - for (i=0; i<6; i++)mac[i] = macs[i];, P) e+ r8 B E2 D( s
- printf("\nPlease input new STBID: ");
2 Q! E) ~. i. X3 E: e - scanf("%s", stbid);, n6 f2 ^4 N% p
- if (strlen(stbid) != 18) {& r3 q0 x9 ]% R- Y7 G+ @
- printf("Invalid stbid\n");
3 o! D+ {3 S+ ~ - return 1;
) X, Y6 l; A+ {- ~/ D& i; n9 n2 k - }
! l0 ?+ O* X9 ]4 ^' V6 f: |0 @ - printf("\nNew parameters: \n");
- f0 n7 u; x ? T) j& Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 z! ^* h8 t2 X/ K2 I
- printf(" STBID: %s\n", stbid);% A( b3 P/ R7 P- G( k
( r2 A1 p6 }' E4 V* @9 a8 T- printf("\nDo you want to change paramemters? (y/N) ");
/ d1 P) ]$ k, k( g4 x - for (;;) {
) K! n. L) R0 h - c = getchar();
! [; ~7 ?1 }& O( B6 C- O - if (c == 'y' || c == 'Y')
, L$ J. ~0 W) f+ s6 `! V0 c" c - break;1 B- X4 x* q! D9 T! f& @4 w5 L! a
- if (c == 'n' || c == 'N') {
+ x. B: K4 W7 W2 M5 Z - printf("\nAborted.\n");! P& H, o; x# c/ }( c8 _
- return 1;$ t9 [" R; t ]3 K* i1 b# b
- }0 m3 N5 x, ?/ ]- b$ K
- }
! ~: ~& b6 G' ^7 K - if (writeparam(mac, stbid) == 0) % b( n$ f9 e" y/ S/ T
- printf("Parameters changed.\n");
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- return 0;
1 v( |0 y2 t* X/ ] - }
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