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。# z6 d# e, ~( l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% p- ]8 R" E; P: ~$ q0 u6 v0 Q
- #include <malloc.h>
/ K, I& l# S# G5 H( J - #include <sys/types.h>
: s7 H: z$ J+ R1 E9 Z/ Z8 s0 X/ I( Z - #include <sys/stat.h>* p+ w* H2 K m! V& }# I
- #include <sys/ioctl.h>7 J) M( x a% M1 X, h( q" ^3 u
- #include <stdio.h>
' D# N1 Y7 | @) Y+ c2 I7 y - #include <string.h>
' }! D4 Y" ?5 V8 b& x8 T ~5 Y2 Y) { - 2 B# ]& @$ @5 F9 S
- typedef struct {
$ s1 A+ r3 Q- t) o0 G - unsigned int e2prom_cmd_sub_addr;# {& f; D# ^2 g' n
- unsigned int sub_addr_count;! C, b* Y) S5 V
- unsigned char* e2prom_cmd_data;2 E0 b& J5 _9 S7 U$ e' Q& o2 F
- unsigned int data_count;
1 j! v5 \, G* [5 |7 v1 k - } e2prom_s_cmd;6 k9 J6 r+ V. @; ?
7 P k w7 H# s, ~3 i- #define E2PROM_CMD_READ 1
: c* ]0 u4 ~, d& Q5 D0 L2 z# o - #define E2PROM_CMD_WRITE 2
9 e" O5 Y* u( A2 z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 ]& [% q3 n+ y' F# w& p
- $ v% c3 e5 O3 r ^7 X
- static int readparam(unsigned char *mac, unsigned char *stbid)( A& P, ]) Y3 O& c
- {
3 J+ q' Q% i, m N% a5 W7 C0 g. Q - int fd, ret;7 [# h0 k* U4 S% {$ k0 X
- e2prom_s_cmd arg;) `- f, e* ~% k; Z3 p- ]* P
- unsigned char buf[0x18];0 D9 m$ m N5 ]! ]* P9 @
- * w$ }" i h5 g7 L6 W1 S6 y
- fd = open(E2PROM_DEVICE, O_RDWR);
0 } Z% ]; q |3 \, T$ U1 I - if (fd < 0) {9 f' p c, |/ e( V7 P" @
- printf("Device %s open error.\n", E2PROM_DEVICE);+ e9 B0 ?) h7 i6 J+ ]
- return -1;1 I: L! _' B: y
- }
3 W- P3 z/ U* q m7 Y- `7 @ - arg.sub_addr_count = 2;% G+ m5 T4 b( A3 e: i
- arg.data_count = 0x18;7 O+ G/ o T( S/ R
- arg.e2prom_cmd_sub_addr = 0x290;
/ B; v6 h5 H7 I" r4 S+ `3 |. M/ m4 t - arg.e2prom_cmd_data = buf;$ z7 t" O+ n i) m3 }% g. f8 B6 K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 y- ~: ?0 n3 {$ F4 M3 a
- if (ret != 0) {" Y$ s6 J. m+ O4 b9 q( N0 \
- printf("Device %s read error.\n", E2PROM_DEVICE);5 D! A$ P* v, K5 Q4 S" N4 i
- return -1;5 @( t3 E- t4 x
- }
5 K! A B! ^4 L( \$ v# n( ]# y - memcpy(mac, buf, 6);' \3 F; ]6 {5 J) q$ U/ T% i( S
- memcpy(stbid, &buf[6], 18);
! p" ~# V* P" R Z - stbid[18] = '\0';# R t$ K; G/ O) B3 j5 O
0 ]# a' D8 @1 d, T" ~- return 0;" t* b# a1 _7 y) f2 C3 y
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' E _& M ~7 o- F7 ]/ j, N- static int writeparam(unsigned char *mac, unsigned char *stbid)
: R9 {7 A1 X) O4 D - {
/ R4 j s. b% T9 S5 s - int fd, ret;$ g4 V) o8 w# f1 U* m2 Z
- e2prom_s_cmd arg;
+ v5 T& }- Y3 }) d) b) ? - unsigned char buf[0x18];2 o* `( y& ]. ^( B* v# J
6 F; r6 ]" l( b- n- memcpy(buf, mac, 6);
2 E" z, N# m5 c" w - memcpy(&buf[6], stbid, 18);
5 p" u9 E6 O4 F% r) O - fd = open(E2PROM_DEVICE, O_RDWR);
+ i/ K0 n6 b0 R- f - if (fd < 0) {
W! U) Y! }( ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
- c) f$ u) r7 [3 h - return -1;9 B6 j1 q8 N6 H. |9 B* d* P
- }; C) P& v3 Z+ u$ x4 T& Q1 f* y
- arg.sub_addr_count = 2;1 C* s4 x! y1 ]
- arg.data_count = 0x18;1 I, ]# ~3 `, P8 k. \, T/ O# }( f
- arg.e2prom_cmd_sub_addr = 0x290;0 {3 D6 x8 `- U' _% R! `$ i- F6 `" ^
- arg.e2prom_cmd_data = buf;
# p0 O% R |& z, Z& Q1 a) b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) [5 E6 B2 q, \( a) s7 J4 A
- if (ret != 0) {
, U A) _0 ~0 X% { - printf("Device %s write error.\n", E2PROM_DEVICE);3 C9 N& |8 q5 x0 p5 F) I: Z
- return -1;7 g3 u' B$ r7 i5 l2 m5 P& M l& \
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- return 0;
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- " }. D& f$ B; c0 C+ O$ ]
- int main() g8 F% e/ l8 m/ @7 k7 m- @3 {- r
- {
! ^8 o: w, n+ n3 r7 Y - char c;; X: a$ z" V) A7 z$ L2 q6 D
- int i, macs[6];
% U1 X1 C6 q+ Y+ B9 y. ] - unsigned char mac[6];
0 P( }2 Z+ H7 t$ Q8 b! e- g - unsigned char stbid[256];
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$ r) O c1 x' U8 P G5 L8 h- if (readparam(mac, stbid) < 0)
) ~) S6 I/ _9 E- I - return 1;
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- printf("Current parameters: \n");9 H+ P( |( G6 }8 G; t
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. G% ?( t/ F: H% k
- printf(" STBID: %s\n", stbid);
) [4 e8 L, H1 I1 j! V -
+ o3 g( T2 k+ f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% i2 G7 c5 d9 p, N% Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" C5 G6 }/ Y- \ - printf("Input MAC error\n");
; @& C2 x! c' `) s5 r7 Q - return 1;
/ Y+ f" w1 r6 o F: q, O - }7 n$ e+ j* A. O1 b
- for (i=0; i<6; i++)mac[i] = macs[i];
3 v! b5 u( D2 R i3 }8 U - printf("\nPlease input new STBID: ");
$ Y1 R9 ^6 |1 H7 Z' ^7 ?: B3 E - scanf("%s", stbid);
4 `8 a1 j" } Q; z1 O5 o5 m - if (strlen(stbid) != 18) {9 d% L. w2 b, D5 z: e
- printf("Invalid stbid\n");7 x& a7 H' ~, B, w, y
- return 1;/ x6 d# e3 U- u
- }
3 O, s2 D, r6 F3 B - printf("\nNew parameters: \n");. |4 [- \7 L# R) a' o9 _$ f6 P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( _" _: i1 B4 a2 J' C8 y - printf(" STBID: %s\n", stbid);: F7 p7 y+ i9 O
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- printf("\nDo you want to change paramemters? (y/N) ");, W/ j7 o3 {7 R3 N
- for (;;) {2 N" e$ B9 g; h4 `" o
- c = getchar();
) z0 X& h: o& S% m - if (c == 'y' || c == 'Y')
) L" h6 R! I) H/ I/ R- ]. L - break;
( e$ x5 i) @/ ^! N& e6 X - if (c == 'n' || c == 'N') {
0 a/ | h$ M s- W1 e - printf("\nAborted.\n");
! @8 F. g6 S& x& T/ c - return 1;
0 Y8 T- |6 x1 k+ R& } i1 H3 S7 g - }
/ Y8 r+ R" Y1 I( ] - }2 A# k4 c, z ?
- if (writeparam(mac, stbid) == 0) , H8 S+ N; f- {5 B4 w. s% o, z- T
- printf("Parameters changed.\n");
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- return 0;
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