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。
! H/ o" [* W N" Z K需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h># e3 A' j0 Q6 Q. E
- #include <malloc.h>5 G. w7 x/ o5 @2 }: g
- #include <sys/types.h>
% o) X5 h/ x! M2 l/ ^ c9 ~ - #include <sys/stat.h>
! Y/ q* P1 l- K8 R. m$ A* Z& C - #include <sys/ioctl.h>
" o; O( N8 _/ b0 b4 b0 s8 f - #include <stdio.h>! @( \+ _9 R& t% }
- #include <string.h>
1 A& y7 x3 I* |+ J5 A% k' v7 V- Z% [0 ? - * c& P/ c& |4 d& Q4 u( J: n
- typedef struct {
# S- C8 P( k \4 w, j6 v - unsigned int e2prom_cmd_sub_addr;
" |& o/ f( o4 B - unsigned int sub_addr_count;
8 y" Z0 D. ~7 V( P& v! X9 H$ K - unsigned char* e2prom_cmd_data;0 l- R/ f: b2 l I5 ]
- unsigned int data_count;# k& q& v4 ^3 ~ U3 M1 v
- } e2prom_s_cmd;
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9 `2 M4 Y# s$ k8 r9 r! n- #define E2PROM_CMD_READ 1
' W" G0 D2 G$ ?3 [) L: A' E, W! J - #define E2PROM_CMD_WRITE 2. \5 j( h C6 c* o! z
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" x5 n' X( G- ?0 R" w6 z8 y
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! g7 S9 e) a1 b! q+ r. N
- e2prom_s_cmd arg;
& d' U0 F" C5 [1 k& z; ?- z& ^ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);8 B7 u# q6 l1 Y7 j X; F% a
- if (fd < 0) {6 J2 ?) {( L" t! \
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 w+ F9 a( m8 v7 b8 P8 N5 m - return -1;
) o$ g# Z2 n" m. Z% p - }
/ r! F) f, s. W$ Z - arg.sub_addr_count = 2;
2 b0 J' S7 K- p) g - arg.data_count = 0x18;& Q! u% d2 J' h
- arg.e2prom_cmd_sub_addr = 0x290;% R% R2 u, g# O% }
- arg.e2prom_cmd_data = buf;7 k+ ^+ ~( W2 p
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! U- u3 `% L4 O) E* [ - if (ret != 0) {
$ M( l+ K7 B! U0 E0 t" t - printf("Device %s read error.\n", E2PROM_DEVICE);
3 `9 p3 I( z6 A+ t: v3 [3 z - return -1;3 L( }' `3 m& H. |$ c v: V, g9 Z+ t
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- memcpy(mac, buf, 6);
( \% ^- _! T# w' g - memcpy(stbid, &buf[6], 18);
' C& y. b0 {; H5 l - stbid[18] = '\0';+ ?( ]: m& q+ ?: s; w, q* C
h/ j) [3 f- F+ Y- return 0;
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, ` Y2 j* B, |" s, W, e( _8 i- static int writeparam(unsigned char *mac, unsigned char *stbid)
: R+ f' U1 C* a! B2 n - {- F1 h/ _5 D, H* p4 Q$ E
- int fd, ret;
6 B/ i F/ N3 ]) q% _- ]0 z/ x - e2prom_s_cmd arg;0 q* O' z# p$ J/ ]0 c$ [* A
- unsigned char buf[0x18];2 o) t1 V+ H4 E: l+ r3 z
* _1 `3 w9 _# U, l! S3 s( I- memcpy(buf, mac, 6);
( S* O, G; ^$ D' }) R. ]# M% \3 Y - memcpy(&buf[6], stbid, 18);8 U0 L4 G8 {! B" y
- fd = open(E2PROM_DEVICE, O_RDWR);
5 X7 m1 n) o8 O% K8 d - if (fd < 0) {- Z* ^" q8 M1 h( V: g
- printf("Device %s open error.\n", E2PROM_DEVICE);) m7 M1 s8 U1 P$ R* O
- return -1;2 a/ J8 N9 H# h" O
- }% f7 z9 H1 t% W, l
- arg.sub_addr_count = 2;1 E( q4 C' _9 \1 d% d) b9 m
- arg.data_count = 0x18;
1 e' N3 f. f' _: a) D8 E% C7 Q& v7 Q7 B4 o - arg.e2prom_cmd_sub_addr = 0x290;0 _# `0 e7 S( O3 P2 @
- arg.e2prom_cmd_data = buf;
4 d5 y* ?1 y. F4 r. `3 y% ~8 | - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; U/ E: I2 o/ |+ I - if (ret != 0) {
4 ~3 S( T; i8 @: |" o - printf("Device %s write error.\n", E2PROM_DEVICE);
; S# P. K" k# L9 [1 f - return -1;
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- return 0;
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- int main(); }* F3 D$ e9 r: ~' y$ F
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- char c;4 m9 @4 L( x" h2 {5 x! p; {
- int i, macs[6];
4 G# ?1 {& U% v4 v0 H/ n+ | - unsigned char mac[6];
; ^/ n/ N- P* R ^ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
0 y0 S) f2 N4 F/ _/ w! G- ~* o - return 1;
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- printf("Current parameters: \n");
+ g! g! G1 J$ p) p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; p% w9 E5 v, |5 o' J2 h& G7 J - printf(" STBID: %s\n", stbid);) T$ @" S" v, `6 x, w
-
3 j" A' J( v- d. H! R* W4 x4 t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 r( ]$ R$ T' V$ q" E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. G5 |# z: F7 ?4 ? - printf("Input MAC error\n");6 u. b* R, R7 _0 Z8 ^, O! T
- return 1;- P6 c% G8 l/ E' ^: v. ]* s, d: V
- }
3 y9 q* s4 n) \( i4 U0 m: k - for (i=0; i<6; i++)mac[i] = macs[i];9 @. }$ p/ ~; Z1 l! C; u
- printf("\nPlease input new STBID: ");- |9 K, J$ n# G) {1 ]
- scanf("%s", stbid);' J5 D M, \4 A
- if (strlen(stbid) != 18) { c& o& W: d# F+ l, Z. x8 }
- printf("Invalid stbid\n");; }/ m! P$ _1 W# T a0 Y5 C
- return 1;
7 f; m: b( `4 L0 D! a: ] t - }
. h; p, l0 p8 x0 R# f- r+ N - printf("\nNew parameters: \n");/ n" F, _8 W/ C4 l1 H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 _( A1 a- j- P2 ]& |% }! L - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
8 o z; w$ \) p3 i" P/ d - for (;;) {
7 i2 H5 y9 R7 G& Y - c = getchar();9 s P/ k0 Q( \' E9 c4 Y r! J
- if (c == 'y' || c == 'Y')
6 F$ J$ B7 ?$ d - break;
7 n/ T3 T6 Z" C2 e$ @) t' ?- I - if (c == 'n' || c == 'N') {; Y8 @2 y, \# a$ I }$ i* j. T9 N
- printf("\nAborted.\n");. X: z8 e' s; u: Z
- return 1;$ q! l% W. D8 c( W1 \
- }
: F1 T# ^4 Q4 g# C0 e0 m - }
" s' X n. r0 R- ]& h2 j. N- t - if (writeparam(mac, stbid) == 0)
1 f3 }9 p5 T: }/ d* z$ Z( |0 s - printf("Parameters changed.\n");: ~$ g( }1 i+ O$ n7 K$ n
9 @! L; h( ]) l: E" o5 Q. H- return 0;
/ |, h5 Y2 X- d9 ^ - }
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