本帖最后由 0522 于 2012-3-21 23:04 编辑 3 h5 ?, d& q/ E/ N
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修改的代码早有了。到今天不会编译。, N* S9 t5 m9 d( ~2 R
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
. k1 \ ^* Z1 n8 z: h+ G - #include <malloc.h>
/ @& c2 u- S/ D. e - #include <sys/types.h>$ S2 L1 B. f. N
- #include <sys/stat.h>
4 I& F! t. g, G) N - #include <sys/ioctl.h>6 o3 A9 a" r- v0 H$ L) A3 [& x
- #include <stdio.h>7 e) Y* |9 X# V9 V9 p8 X4 r
- #include <string.h>; V- U+ t4 l, g- p3 Z, L
1 i- G4 S7 f8 T3 O- typedef struct {/ D" l& E, T! e3 ]: Z
- unsigned int e2prom_cmd_sub_addr;+ M$ s+ n: u1 r1 g" d. K5 [
- unsigned int sub_addr_count;8 C+ C8 P# ^7 d/ [8 K, A
- unsigned char* e2prom_cmd_data;3 `: O9 Z2 c+ ?, [3 E
- unsigned int data_count;: n; V1 E6 Y. u, D( ^3 ?- _& W2 p
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
6 u, g s6 x" u& w - #define E2PROM_CMD_WRITE 20 `# p7 V' s, H
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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) `3 T4 c) B; }: d) p: T2 `- z- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( m! R* Q9 } F: q: a; S) p' j4 C - e2prom_s_cmd arg;/ p' y! P3 S. m1 T
- unsigned char buf[0x18];
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! B6 f R( V" a- fd = open(E2PROM_DEVICE, O_RDWR);
4 a4 p% ~+ C: ^( [, A - if (fd < 0) {
) b8 G; ^* W! M2 t - printf("Device %s open error.\n", E2PROM_DEVICE);; o4 a# ^* r8 o2 `0 ^) p/ t0 Q
- return -1;9 o" H% N! a' O& W* M2 H2 }
- }
% C0 l7 _( z, W8 P v& f - arg.sub_addr_count = 2;0 J) v" h2 ~; j$ |, P7 `3 ?1 S
- arg.data_count = 0x18;
+ q! Y% f' ? L A2 w4 ~( e5 N - arg.e2prom_cmd_sub_addr = 0x290;
) I+ @% x4 {$ ~5 d - arg.e2prom_cmd_data = buf;
3 X: P. S' [& H" l( Z( K$ e - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ H) p, A4 @ @% x6 g) v - if (ret != 0) {' |3 B+ W1 B; v1 r. c% P- u# }- b$ R
- printf("Device %s read error.\n", E2PROM_DEVICE); K* Y( b: e w+ \3 ~7 I
- return -1;
: t' N: I3 B4 H. W& E! e - }
+ M4 D2 ^* P6 y7 S; M - memcpy(mac, buf, 6);
1 u+ z) X' ?% l7 V - memcpy(stbid, &buf[6], 18);. {7 \2 n1 R; K; w9 J7 f! S
- stbid[18] = '\0';
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- return 0;( v" d& k( j2 ?/ s
- }" ^- S: g0 Y8 K! d/ G$ X
8 K+ U x9 k# V6 L- static int writeparam(unsigned char *mac, unsigned char *stbid)( j/ C1 w7 T ~) W; k$ @/ l4 n
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- int fd, ret;% [2 F- a+ Y4 y2 u1 m) H4 t% i3 S; N
- e2prom_s_cmd arg;
' n2 A% p$ c" p, N6 }& r - unsigned char buf[0x18];
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' Y: {6 c1 a! P |% D( i2 g- memcpy(buf, mac, 6);
$ o$ | A% _/ v4 x& a9 Q& k - memcpy(&buf[6], stbid, 18);9 T1 E9 _7 V+ e, j
- fd = open(E2PROM_DEVICE, O_RDWR);6 ~4 f0 J8 E) W* h8 J0 w1 M
- if (fd < 0) {
3 w, D6 @* i% {" t - printf("Device %s open error.\n", E2PROM_DEVICE);
% A% A9 `3 Y/ T - return -1;
4 j7 |# S' U' w3 [$ A - }
3 o6 L: L# Z9 X. b/ }0 ] - arg.sub_addr_count = 2;
P+ k: Q; ^! F - arg.data_count = 0x18;! f6 Z N, X9 y+ \! ]( ?
- arg.e2prom_cmd_sub_addr = 0x290;' q; L3 u: p! [7 {, h) a; A& e! s) e
- arg.e2prom_cmd_data = buf;$ Z# \8 s5 o2 z' k _1 _+ v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! p0 Y0 j' v$ }, K4 u - if (ret != 0) {0 g; t! U; W2 I( e4 ?
- printf("Device %s write error.\n", E2PROM_DEVICE);! h. d- |/ r1 V
- return -1;2 G* {1 L, {+ P) f$ G
- }
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2 k' k- H" s, g4 @# Q* z- return 0;
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- int main()
3 x! O! q8 J0 k: a0 V/ [0 \ - {
8 V+ M$ R$ F4 E/ Z( l" \ - char c;
' E& s2 k( ?4 o) }/ C0 w - int i, macs[6];" o T+ [3 x+ }/ L' @2 z0 h
- unsigned char mac[6];
7 {% r8 @* Y3 e/ x' I - unsigned char stbid[256];( q4 Z& ~# u8 b
: `0 |) c! B6 O) w/ K- if (readparam(mac, stbid) < 0)" _- G' E* _; N0 D* C2 P3 N
- return 1;
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* t; M, F4 ~% `# A- printf("Current parameters: \n");
- E4 A% D$ L! B, E# R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- ]5 G: e. J" R7 x+ Q9 N
- printf(" STBID: %s\n", stbid);( @' j4 G0 h ~3 ?7 J. p8 I" B
-
# d% y- I, a) C; P' B" _' h9 j - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 A- M3 s, K1 i" g) B+ R - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
. \( R. g( A8 l" x) i3 h - printf("Input MAC error\n");
! u& t) [" a7 J7 X4 X - return 1;# L, A# @8 q8 @" N
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- for (i=0; i<6; i++)mac[i] = macs[i];
) V4 Y+ L) v4 v$ | - printf("\nPlease input new STBID: ");. @. l: y( G$ n$ Z* X: M+ u
- scanf("%s", stbid);* W" F' @7 ^ l+ Z% M. \+ B0 d
- if (strlen(stbid) != 18) {
! u1 o8 p: Y5 _8 E5 X! j; B$ M8 [ - printf("Invalid stbid\n");
+ d: z. U# y6 ]+ b9 D# D - return 1; _ Z5 G# B' S7 K
- }
# l* D, ]! l1 @ - printf("\nNew parameters: \n");
8 I0 L$ S* f' f4 R& M& ^: k" q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ p2 i+ d& c+ I7 B- j
- printf(" STBID: %s\n", stbid);
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/ |/ \$ ]6 Q+ z- printf("\nDo you want to change paramemters? (y/N) ");
( N# w) b X- J) k - for (;;) {6 \- |- z, x9 ]* _3 G
- c = getchar();8 o1 |+ p% h) R/ \( b
- if (c == 'y' || c == 'Y')/ f) K% Y& _/ ~ h+ V5 A
- break;1 m1 g% v. ~9 V; P }% P
- if (c == 'n' || c == 'N') {
3 z: o* Y) n8 {( W0 O) W8 Z - printf("\nAborted.\n");
9 C1 d* o2 C5 K( `; B2 V - return 1;
( ~4 E: I, \0 w& w" L3 I7 J - }
$ E( N J5 F/ y" u9 |- L: D/ R - }
% s% D7 [" I4 h) i: c - if (writeparam(mac, stbid) == 0)
& r# X0 X; @- Q - printf("Parameters changed.\n");0 w0 f |; [: m& f6 N2 [
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- return 0;: ]8 C; |6 u+ R6 |% x2 u6 ^$ W
- }
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