本帖最后由 0522 于 2012-3-21 23:04 编辑 ; \+ B5 H, s, ~
6 K/ R' z; S* F修改的代码早有了。到今天不会编译。0 r( c0 A* n$ R1 @; ?3 W
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, I( a# ^7 X6 p/ h
- #include <malloc.h>
2 W! l6 Y6 S6 t6 \2 z8 K - #include <sys/types.h>& a- _/ c, W" r6 j& u) \0 E6 R9 b
- #include <sys/stat.h>$ j5 j" A) y0 f$ s/ T; H1 A0 [
- #include <sys/ioctl.h>( D, Z9 ~6 L6 E$ Q* x- ?! m
- #include <stdio.h>
# D) U. C6 z5 V- G - #include <string.h>
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$ P) m9 N" e- O- H* ]# g7 b- typedef struct {
1 x. \2 t6 m7 Y8 n/ w2 E* n% X" m - unsigned int e2prom_cmd_sub_addr;
4 u) ]& {! F: S2 K- e8 d. k - unsigned int sub_addr_count;' c! |! R h' T9 _7 m# L
- unsigned char* e2prom_cmd_data; }3 j+ i5 m9 M& @+ U+ r" S
- unsigned int data_count;3 ^- o$ V3 i( |- G6 B
- } e2prom_s_cmd;5 F: K% j1 P; J% L* t6 ^" t4 I
+ b1 Z6 j: |5 C, w; v7 h- #define E2PROM_CMD_READ 1. P8 k- v7 R. N# M' w- G5 C: I
- #define E2PROM_CMD_WRITE 2
; P" h( _$ f1 M: ~ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 o: V. ~& O/ q z" }7 x9 R7 ?! z
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;% }# m& `' } [1 G9 i3 {2 l
- e2prom_s_cmd arg;
2 N' q; i- E. T - unsigned char buf[0x18];
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5 i& ^ y2 K, U- fd = open(E2PROM_DEVICE, O_RDWR);
! K" d3 x2 H i - if (fd < 0) {/ S% S! n6 _9 L9 |0 k
- printf("Device %s open error.\n", E2PROM_DEVICE);4 e- `9 R$ Z w. J# I2 Q, C
- return -1;& f) w' a0 T" ]7 k
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- arg.sub_addr_count = 2;
Z. O8 o% C2 y, G# d* i - arg.data_count = 0x18;3 b# Z7 |$ A' [* A: w5 Z
- arg.e2prom_cmd_sub_addr = 0x290;
$ Z) ?: m6 H( w# C! h i' i) D. ?; q - arg.e2prom_cmd_data = buf;3 a9 f; c1 C: u7 X# j- R$ H3 d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 O6 Q# T$ z- p6 h! V
- if (ret != 0) {' }2 J1 T: e" W; H) p" U% D
- printf("Device %s read error.\n", E2PROM_DEVICE);% Q( O; g y4 D% s2 q, |4 s: G
- return -1;# t% p7 }/ q k
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- memcpy(mac, buf, 6);9 ~$ }2 F+ H. A% f! w/ d: V1 F3 E8 @
- memcpy(stbid, &buf[6], 18);
- l: X" o4 U! G! r3 T - stbid[18] = '\0';5 ?2 J! W+ o; F" r2 r+ c
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- return 0;
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7 C( L2 K9 W, u7 ^3 @/ p- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
& u+ ?7 F: M! }5 _7 b4 F% _ - e2prom_s_cmd arg;' e- f. j2 n) X D' A: D
- unsigned char buf[0x18];
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, ]+ e/ s4 M0 _7 d- memcpy(buf, mac, 6);" s5 N- B, i* U2 w
- memcpy(&buf[6], stbid, 18);" M8 Q) n' `/ T- Z4 [. }
- fd = open(E2PROM_DEVICE, O_RDWR);" @3 z$ \# I! {+ _
- if (fd < 0) {+ F1 D( h8 S/ \) k- r
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 f/ q5 V) |3 |( s1 q. L3 C - return -1;$ Z6 }5 a: o( T% b
- }
8 @7 y/ E$ x, A+ O9 | - arg.sub_addr_count = 2;8 D6 S4 e6 ]$ ~$ r# |
- arg.data_count = 0x18;
( A$ e* O: ]# \ - arg.e2prom_cmd_sub_addr = 0x290;
; s- m" q5 g$ @: e - arg.e2prom_cmd_data = buf;. T5 I. V" A) [5 ~0 y
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 K5 A. p# Q5 }" r7 K' t - if (ret != 0) {# k% R( F$ [2 v. E
- printf("Device %s write error.\n", E2PROM_DEVICE);
, g8 z% Z( j# |! M" R - return -1;7 ~" e# o, F7 b2 M7 @7 k E
- }
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- return 0;8 x V4 A+ P( _3 i( ~* E4 M' V
- }
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4 ]# D/ W: W0 R& j5 u K( a- int main()
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- char c;, u; s5 D, ?& C2 k* N
- int i, macs[6];8 z3 A, v4 v8 W* J
- unsigned char mac[6];3 ^" H$ I9 q* d" h8 D+ U+ ?
- unsigned char stbid[256];8 `! V/ s; k/ b% ~$ {2 m( T9 V/ u
9 t7 [$ g8 g/ ?8 U& O$ L9 G1 v3 r% d- if (readparam(mac, stbid) < 0)4 j8 h4 y. N3 T8 M4 R7 i Z! ~3 M
- return 1;
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- printf("Current parameters: \n");
" i3 N I& u/ f; K, W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 N D' L4 f0 t- u: [) n
- printf(" STBID: %s\n", stbid);, u, C3 G+ _6 x8 a7 t+ B
-
, J" u/ ]. l8 \9 N4 a9 x* D - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
: o9 x9 b9 I7 n) y* Q: [/ F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- o: q" B$ F& z9 ]) U+ V - printf("Input MAC error\n");
' [; ]0 }* s& | t! S0 s - return 1;0 E& C; ] p, a; Z
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- for (i=0; i<6; i++)mac[i] = macs[i];
4 s- b- p$ E L( d - printf("\nPlease input new STBID: ");9 v+ R0 b1 {2 E6 M2 _+ K; n. A
- scanf("%s", stbid);
) M: ]+ }9 T% _$ L - if (strlen(stbid) != 18) {
5 d& q' K, ?9 D) } - printf("Invalid stbid\n");$ `* }, D) f5 k
- return 1;
& B8 z7 p7 }* g - }
- D! X- `! P' `# j. Z: ` - printf("\nNew parameters: \n");
% t) _% c( w$ L3 F4 T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 ]+ x. K# c# C! f9 Z - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");4 h4 B' D1 ?( ^3 [7 B
- for (;;) {
& W( k) a7 u$ t% _. I2 [ - c = getchar();
, w! Q0 s9 O7 f) z* r. ?7 t - if (c == 'y' || c == 'Y')% ^: X# {( j7 R2 W
- break;
- Y) m1 ~0 j( G7 A5 Q& Y - if (c == 'n' || c == 'N') {: k% t+ h' T3 c
- printf("\nAborted.\n");
7 z( Z6 K) b7 `+ b* V7 q - return 1;
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- if (writeparam(mac, stbid) == 0) % l8 ?; j5 I" b" k- G& }
- printf("Parameters changed.\n");
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9 [) C/ J: F/ K& H- return 0;: `: L3 v6 A: {: O' U$ ~( B
- }
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