本帖最后由 0522 于 2012-3-21 23:04 编辑
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( P3 _. ]/ W7 w2 e. A+ R修改的代码早有了。到今天不会编译。
2 A" x8 r1 Z) F8 w+ N! L% m3 I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 w, y! F. \: _1 l# ]% {
- #include <malloc.h>
( u& M: u# u% T8 _6 k* W) Z+ H - #include <sys/types.h>' f) x" Y D/ D% V
- #include <sys/stat.h>2 ~$ N0 C! ?0 ]; C
- #include <sys/ioctl.h>) j. W: K! l2 D' g( f
- #include <stdio.h>
9 e) o p6 u9 A - #include <string.h>* y4 I8 u& ]( `! _. n- M
4 v3 O' D) Z/ W: I3 [( K- typedef struct {
; k6 H. b2 x. g1 z - unsigned int e2prom_cmd_sub_addr;
, O6 Z( f) U1 } - unsigned int sub_addr_count;/ h+ Z1 r. r: y s' {1 }, i
- unsigned char* e2prom_cmd_data;& r) C: Y: e+ v" X6 u# }/ o" K
- unsigned int data_count;# H) C$ `* b# v8 u) P4 Y: ]
- } e2prom_s_cmd;& z# a& h- R& u% J! r
/ w+ b- O) @" e4 q: R; Y/ L- #define E2PROM_CMD_READ 1
: p2 X. I: {8 E3 O+ r0 a - #define E2PROM_CMD_WRITE 2
/ u5 [4 q) f$ Q2 _, _0 ? - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
: I# ^8 U& Y; a- |0 j+ _ - r% C* y# r, X; X/ y3 |3 u
- static int readparam(unsigned char *mac, unsigned char *stbid)( L& X5 h( X) c7 B. }0 a. i
- {
2 O8 ~6 y3 i" H" O, r, k, X* P1 v - int fd, ret;5 M2 ?1 k5 ~5 T1 j, ~. M
- e2prom_s_cmd arg;9 }) ]+ z# A: c: A8 H7 p- o* h1 B
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);; L y9 z {7 Y4 j- ~- {2 {7 c
- if (fd < 0) {
7 Y% R F: `4 z3 h" Y* A' P - printf("Device %s open error.\n", E2PROM_DEVICE);
5 g5 A+ {+ Y2 Y' h! o3 l - return -1;2 I& l0 J) ~8 Q( T4 e- L. D
- }
8 W2 }0 b" M, @( Q0 V - arg.sub_addr_count = 2;
% H( |" o# P, L$ j5 y& u - arg.data_count = 0x18;
& c6 l% H" v) g4 w6 P - arg.e2prom_cmd_sub_addr = 0x290;" Z) K$ v' Z2 L! V4 N) q
- arg.e2prom_cmd_data = buf;
9 B; p1 j1 {( C; _6 u( N0 y - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ L8 Z: f/ i4 q" A
- if (ret != 0) {: _+ g7 S! t/ U9 c3 ~
- printf("Device %s read error.\n", E2PROM_DEVICE);
" u( o. S. B2 D4 ~# N7 f - return -1;
; v% j/ F0 {( V; c; A P* L7 R! H) a - }
2 f+ O& D% o9 a: m+ ~8 Z& Y6 W - memcpy(mac, buf, 6);
3 a! Y/ r( `, h( I( l - memcpy(stbid, &buf[6], 18);
- \2 L" u! W% D: I' x# w) d; m - stbid[18] = '\0';
& _/ N. S$ {" @1 \$ E5 Y - 1 _8 C) _5 b4 ]
- return 0;
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( b9 f) H* A+ Z. r- static int writeparam(unsigned char *mac, unsigned char *stbid)
; L: z) r$ n/ t, K' q* z8 S - {
1 S( k% `3 f: Q; L/ x+ q3 T" A - int fd, ret;
5 r$ b+ U; m9 T3 @" L, i6 p - e2prom_s_cmd arg;
! k2 M% h' _* v" A, ]' R - unsigned char buf[0x18];: |9 n' [* w" {
- 4 ?, y e* f8 [2 E( P0 K
- memcpy(buf, mac, 6);
( u2 h* s9 A7 \' I- [) Z - memcpy(&buf[6], stbid, 18);
; T% j+ [$ q6 n N f7 x8 \: W f) A5 I - fd = open(E2PROM_DEVICE, O_RDWR);! D0 a, E) b3 b0 Z$ n
- if (fd < 0) {' l, ~( X9 c2 @/ N' y
- printf("Device %s open error.\n", E2PROM_DEVICE);1 A0 h8 D; e2 V, \6 T$ o; j. @
- return -1;
+ }. J) V" U3 [ - }1 L0 ~* M0 {$ M: a- J! _: J9 e
- arg.sub_addr_count = 2;
- l( o0 f% n6 V* h( \ - arg.data_count = 0x18;
) ?% o9 r* n: o9 c5 N; V3 B - arg.e2prom_cmd_sub_addr = 0x290;
+ P g( p, N" C7 I - arg.e2prom_cmd_data = buf;
3 [* z; w2 D7 ?7 ^2 q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);* u. z. X C5 _' h3 h8 Y) S/ K- Q
- if (ret != 0) {
+ u- U, X' H" z9 \& Q9 n( Y8 u - printf("Device %s write error.\n", E2PROM_DEVICE);1 ?& G8 z4 e Z0 f/ K7 `6 t2 W
- return -1;
) h) O* j9 _9 H1 f3 c, n - }
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- return 0;
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- % M+ l: R& j# o2 D* M
- int main()
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- char c;2 U8 D, J2 ?. N# H9 G
- int i, macs[6];0 U }* v8 j- s& L
- unsigned char mac[6];
1 J/ D$ A- i) k4 K9 C' m - unsigned char stbid[256];
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/ \. W$ u2 g8 ^( Z& V0 d' f' G- if (readparam(mac, stbid) < 0)
( o8 n. H- }- N8 [ - return 1;$ ^( J$ u, M9 \
2 W+ v4 _ z8 C- r2 k+ t$ i! I- printf("Current parameters: \n");! e- x$ O# R0 w# h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: ~+ Q" z+ H3 U. |! \
- printf(" STBID: %s\n", stbid);. n+ \2 [3 S M$ |
-
% x( K$ V5 w8 ]; ~7 _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* c) J, y9 j3 z. {5 f - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) B/ [) P$ n# u! x% F) b - printf("Input MAC error\n");
1 |# }- V. F2 H. A; U$ X; w; Q - return 1;" g5 n* F* b7 Q9 u7 V
- }% D) ?7 z5 z; ]0 K( j" i
- for (i=0; i<6; i++)mac[i] = macs[i];
+ Q/ @4 O+ j, K7 I2 D. s, g - printf("\nPlease input new STBID: ");, D6 K. v5 t6 o: N2 g8 |8 X/ w
- scanf("%s", stbid);, i% h% @. G/ N4 q" I& H- h
- if (strlen(stbid) != 18) {! s* h7 H3 T! E% X2 }
- printf("Invalid stbid\n");
- d6 i# d8 E- O3 z - return 1;
: E: `- |9 s B - }
' x' w0 q* f# |3 |. T3 \/ Y - printf("\nNew parameters: \n");
( I7 y. ^+ \7 r" r3 R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 O" {. I8 ^8 F! R2 ^% C# t. d - printf(" STBID: %s\n", stbid);: c8 _ }7 Z3 T5 @0 O
- 2 \# g( ^! ^' e1 E6 _0 l8 ] Q
- printf("\nDo you want to change paramemters? (y/N) ");
/ Y3 v: h0 Z" G2 o8 E - for (;;) {
6 N* k' [6 i6 }* E6 ?4 k - c = getchar();$ w* y0 a8 q) {8 D7 o/ `- P
- if (c == 'y' || c == 'Y')
" `* D7 Y# i) f4 s0 H# Z - break;
0 o8 ^, } C: w+ K9 Z - if (c == 'n' || c == 'N') {3 X5 B6 W1 M* R' j# M
- printf("\nAborted.\n");4 a* A- `. N( g& [* w
- return 1;$ [/ G# m; Y" i6 C' m
- }
9 A& V# f N% D - }
9 d& w* Z# Q1 r6 j* M - if (writeparam(mac, stbid) == 0)
) ]/ H) L9 [# j9 B( Y - printf("Parameters changed.\n");" n" y2 i6 |) t* C* g5 Q, p
" W) u+ c4 O* g8 G2 ]% w! b) ]- return 0;
4 L, v5 w5 Z, R6 c% H" _ - }
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