本帖最后由 0522 于 2012-3-21 23:04 编辑 * e/ r! h, v8 Y3 O6 G, l7 I: H
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修改的代码早有了。到今天不会编译。
4 ], ^9 {; u7 I: p! q9 x3 |4 r# o2 j需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 S, q o6 W1 L! ]3 r
- #include <malloc.h>
# j# c' c" h9 \* R f( f; t0 U8 k. K - #include <sys/types.h>
# Z: [) ~" l0 j& u; }2 k5 M - #include <sys/stat.h>( Q' q( H2 ^- q; M; d- ?
- #include <sys/ioctl.h>: V% D7 T! ~2 w! F0 n; T+ \6 ]
- #include <stdio.h>
, l! S, T& b. `0 t) Q$ d - #include <string.h>" t8 N# T$ B3 u- l
- 9 C/ V0 J, G% ^% m6 x
- typedef struct {
) o) X5 y- u1 r" ~2 ^. V5 U - unsigned int e2prom_cmd_sub_addr;
& `% ~! x; P8 n; i. z' |, r - unsigned int sub_addr_count;1 v- H/ y! n: l; U& v
- unsigned char* e2prom_cmd_data;
! [* P* ~; O9 E* e! e5 G6 k - unsigned int data_count;9 E+ e. |6 S. G) M/ \! S1 v
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1+ F2 _2 {( o- m3 \2 D6 i5 r
- #define E2PROM_CMD_WRITE 2
* X- P' z1 b- M. e) F* {9 s9 G, [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
+ N1 F$ H8 ?7 p" m% b% f
0 l6 L7 [) [2 A" r" |- static int readparam(unsigned char *mac, unsigned char *stbid)3 W* h n/ } {. T- q. i7 r4 j
- {) N/ V3 F) e/ Z9 D j* y
- int fd, ret;) F! h4 Z& n- D) K- ?8 A# J
- e2prom_s_cmd arg;% Q+ ~) ?4 e2 z/ z9 m- M, l+ s
- unsigned char buf[0x18];) ]2 Q& u3 Z' u1 R1 c
) s' g' }1 ^. k+ E' _2 ~- fd = open(E2PROM_DEVICE, O_RDWR);
' b8 `2 c% }# }* N - if (fd < 0) {# g+ ~' p; l! v) j) t2 x, z: D
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 E U+ T3 }+ [" q7 Q2 P! b - return -1;
# ?3 _6 s0 I4 e& j - }
3 I {( X/ T( M% j# [2 J - arg.sub_addr_count = 2;- e# I! {( e( @% A
- arg.data_count = 0x18;
2 C% X8 A1 H. x4 h1 m9 \+ R - arg.e2prom_cmd_sub_addr = 0x290;
$ U: V' A( {. t* j - arg.e2prom_cmd_data = buf;
" G8 s# h6 U0 R - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" c0 T6 s7 S7 V - if (ret != 0) {
/ S: y/ @/ S, i- S - printf("Device %s read error.\n", E2PROM_DEVICE);
; N6 c$ r$ _" A7 i - return -1; k5 {) m Q9 G" B* X& S
- } O0 F ?( m! q) b4 Q( r3 P+ b
- memcpy(mac, buf, 6);
h# T/ P6 C6 i& Z) b - memcpy(stbid, &buf[6], 18);4 q5 v0 `7 e- C% g% L
- stbid[18] = '\0';7 ]' f' S% ^9 [
- ! y( H, S- k, _: L
- return 0;
! i% M& W1 Z" W' j& Y - }
0 n- H6 p2 K0 O! F3 M - 2 F: b" M& G9 Y2 w2 \
- static int writeparam(unsigned char *mac, unsigned char *stbid)
; H- w* s! ~& g3 R6 d# G7 G - {
8 V; }) F4 v0 i$ C9 [' j: f1 U* G9 g - int fd, ret;
$ {( `% _9 c s& _ - e2prom_s_cmd arg;
& }/ e( Y1 b' Q - unsigned char buf[0x18];3 F5 B: |& m7 i* `8 E
- 4 |$ u! l+ R. c L. f
- memcpy(buf, mac, 6);3 F1 E2 g& x# W1 o9 I' P
- memcpy(&buf[6], stbid, 18);, t! q7 d b4 O7 R% O8 @& R& I
- fd = open(E2PROM_DEVICE, O_RDWR);
" H, x8 Z: S( N" _. n8 q - if (fd < 0) {
/ D* f$ f. o, W5 d1 h4 x% y - printf("Device %s open error.\n", E2PROM_DEVICE);
0 a# V/ d6 z# V! B( S8 } - return -1;
( }1 O5 o1 [( g) X& R0 D& {# L - }1 I4 z0 Y& E$ N/ O3 W
- arg.sub_addr_count = 2;
( z+ A) e7 x4 P+ ? - arg.data_count = 0x18;
. d8 B/ C6 \9 Q$ [ - arg.e2prom_cmd_sub_addr = 0x290;/ H6 l3 ^# _6 h& e
- arg.e2prom_cmd_data = buf;9 g, D; J. N: ?/ K7 ?
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 ?- ]0 k2 g4 m - if (ret != 0) {$ a( {# y e. ^/ W( m* L% m
- printf("Device %s write error.\n", E2PROM_DEVICE);' U: f9 i+ A( @
- return -1;
& E! N Q4 f' v5 f - }
$ ?! P. _. ~4 p) ?" M6 w `: B8 z
9 L7 \0 e7 y/ {- return 0;0 l( {* \% O! {$ i- c
- }
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* v! t; j+ r Z: w& J- int main()) T O5 r$ D! B0 G6 c- E( W- f: b6 e
- {$ x2 a5 D+ W5 x" r1 K9 P4 F$ W' h% F8 _
- char c;2 y" \! e1 v7 X/ m- P
- int i, macs[6];
0 s5 E( {/ R6 U! k9 _ p - unsigned char mac[6];
/ S* S! h( T' \+ {! i7 r* k - unsigned char stbid[256];1 J- P/ C! s! G- U2 y
+ v- |1 |: b- r: M- if (readparam(mac, stbid) < 0)1 P8 I4 |4 D# W1 ?9 k
- return 1;4 v$ e. F- d' S2 u7 L$ S3 O9 P; |
" @2 Z! v* p" i* V9 [, ]- printf("Current parameters: \n");
! R: O: ^$ M, ^4 k s: H7 Y* ]) n - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 ~8 E" K; P# k4 u; g - printf(" STBID: %s\n", stbid);3 k @: ~0 g7 F/ e0 N+ |
- e, C+ q: s0 D( h2 v5 F/ \$ {/ [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ _' m# T1 D6 `0 \% a- G ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 w+ q. j$ J+ }
- printf("Input MAC error\n");
, o: \( C' m8 m, R: `' A0 ^) B - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];( I V- f$ e) }# B
- printf("\nPlease input new STBID: ");
6 Q: X" K4 ?" q! e: s2 G) E - scanf("%s", stbid);! r/ A- ~* @5 c/ K* p' e0 s5 P2 O
- if (strlen(stbid) != 18) {
0 x8 d8 B7 D7 o0 d/ i3 ` - printf("Invalid stbid\n");) f9 |6 o% b9 m) H
- return 1;0 Z% U( r! a; D
- }
& B! T$ @- ~, _6 y0 W$ Q - printf("\nNew parameters: \n");$ J# y8 C; i( ?7 j( D& g
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ b! \* Z9 e2 \0 X/ X4 R
- printf(" STBID: %s\n", stbid);: \1 }9 F4 V/ O+ |- K% |
- * y0 I! P* B9 p* P3 |2 r, D# X
- printf("\nDo you want to change paramemters? (y/N) ");
3 e7 _) M( Q3 c: i# o - for (;;) {
0 E. Y8 L6 J9 p( {2 h - c = getchar();
+ b/ ~/ w) A3 v7 m3 L1 [4 a L - if (c == 'y' || c == 'Y') Y5 ]/ y0 a! ?. r( _
- break;6 A2 k+ e! N& I8 d
- if (c == 'n' || c == 'N') {
2 i. ~' s# }5 Z: j* d; w& I - printf("\nAborted.\n");
7 _7 v5 a; ?) {# m# q" W' h - return 1;
$ v/ W& _0 z, c8 F6 z( v) O% y: f - }
+ S9 N: r# X0 o- ?# q - } A( J# T# f! `8 T8 F- P9 B; k
- if (writeparam(mac, stbid) == 0)
$ j: _( E# J" m4 O/ L" w) b& G3 P - printf("Parameters changed.\n");
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' q3 C* [- c/ ?. }: {& Z8 `; a- return 0;. B8 z9 x2 h. S" I Z, r2 \
- }
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