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。9 [, a9 u4 U# c
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* b% F$ l8 f5 t4 P, @6 [2 X" a
- #include <malloc.h>
2 F( d, S+ Q ? - #include <sys/types.h># u3 e" e. {8 a* l/ Y1 w9 ^+ m. l
- #include <sys/stat.h>
, ]7 F& s& Y x1 z- Y - #include <sys/ioctl.h>
. o" L3 X, m4 K$ Q( P - #include <stdio.h>/ B, R( R% D9 M
- #include <string.h>
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4 B& I% d# ]" K/ c( v+ x- typedef struct {3 w! W3 A, p1 f x) @! d# {$ A# P
- unsigned int e2prom_cmd_sub_addr;
S$ P$ t6 ]# u - unsigned int sub_addr_count;+ U3 A# |. y h6 w, X6 l
- unsigned char* e2prom_cmd_data;
3 S! N( V% L; w* K" h [ - unsigned int data_count;
# }% K( A8 D0 s- p - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 19 L! ?% u0 x. K$ `' R' ], X4 j
- #define E2PROM_CMD_WRITE 2
" p2 c6 D$ t0 Y7 Q3 ]( N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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2 z/ d$ c- G( c3 k& H- static int readparam(unsigned char *mac, unsigned char *stbid)& Z- p: B& M/ c8 y) h
- {( r* {4 l1 b- Y0 ]
- int fd, ret;
7 c6 Q6 J1 y0 ] {( B - e2prom_s_cmd arg;
# T! L6 ~" k' z% s9 _3 c( G - unsigned char buf[0x18];
# M% G- u9 M( x4 {% ?/ @0 s
@* ^. T7 S6 n- m6 _; b- fd = open(E2PROM_DEVICE, O_RDWR);0 I* b: \" m& G: l" e+ W2 H
- if (fd < 0) {
/ s, T. N2 U8 W% o$ ~) x - printf("Device %s open error.\n", E2PROM_DEVICE);0 m. |; y/ d2 s( i0 V, v
- return -1;" ~8 r- \7 n) W" o
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- arg.sub_addr_count = 2;
( [) Z) l0 i& | - arg.data_count = 0x18;8 {* a3 k9 E( E% m
- arg.e2prom_cmd_sub_addr = 0x290;
( z4 h$ n8 D0 b - arg.e2prom_cmd_data = buf;
& y3 v% h+ T: D t( g- ?6 s5 ` - ret = ioctl(fd, E2PROM_CMD_READ, &arg); @' D: j9 K8 ~/ b
- if (ret != 0) {
. N3 { q6 F5 T3 ]3 ?3 p - printf("Device %s read error.\n", E2PROM_DEVICE);1 ^8 d* N- y% h4 r
- return -1;
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- memcpy(mac, buf, 6); D6 C; s1 c( c$ T) J
- memcpy(stbid, &buf[6], 18);' Q$ U+ ?7 Z. O v
- stbid[18] = '\0';8 b: ]! b5 B9 e8 h" f. @
- i2 x+ N/ u) T* u
- return 0;
) J4 @; v+ J# C w/ N - }
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+ Q" a& w) k- A; T+ W6 ^- static int writeparam(unsigned char *mac, unsigned char *stbid)2 S K' m0 K- F' g, D
- {
5 m5 b3 o7 C1 y: {! b. I D% W - int fd, ret;5 Q% n- @/ R0 m* v' n
- e2prom_s_cmd arg;
7 ]' p$ [' d, g - unsigned char buf[0x18];5 ]7 D8 b- J& r) z2 Z( L# l
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- memcpy(buf, mac, 6);5 y3 L: M+ \# ?, ]$ o' @# {
- memcpy(&buf[6], stbid, 18);
# J; O! ?7 F, l$ e8 b) ?7 p - fd = open(E2PROM_DEVICE, O_RDWR);
$ |8 s& l: ]# W5 S' K - if (fd < 0) {
: I! @- e" r0 ~- ]" V - printf("Device %s open error.\n", E2PROM_DEVICE);
5 k5 v$ W2 K1 B" C9 _8 E - return -1;+ }) w5 Y3 Z1 x1 L
- }( O' B6 `5 K/ ~
- arg.sub_addr_count = 2;$ ~6 U& m8 @+ U' e$ a
- arg.data_count = 0x18;
/ R+ `. }- e4 Y; W" i- a - arg.e2prom_cmd_sub_addr = 0x290;
$ u4 i2 N5 Y5 D* j5 n - arg.e2prom_cmd_data = buf;( R9 p" e1 Y+ b% F1 h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! _9 O- F% M/ o: Z z# v7 }0 U - if (ret != 0) {. ?/ p) p4 z5 x
- printf("Device %s write error.\n", E2PROM_DEVICE);/ ~+ A. t9 f) k8 |, r. p% e! ]
- return -1;4 A2 _/ D* c, I5 l
- }
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' W9 B3 p6 ^8 ]- return 0;
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- int main()
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- char c;8 N0 G6 ^, f' e
- int i, macs[6];; u* j# {, V' t
- unsigned char mac[6];
% h3 W: P& E0 Q+ R7 z' i0 ]. m - unsigned char stbid[256];0 a% W) _+ D4 H
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- if (readparam(mac, stbid) < 0) Q P. y: w+ {4 {" v
- return 1;2 I* o, R" l5 |* ]( y/ [
& ~$ C& r* H& |; f- printf("Current parameters: \n");. i1 T2 {* l5 K. k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 Q+ N8 B0 Z5 k. T
- printf(" STBID: %s\n", stbid);* a6 `# L7 T4 [3 v( o0 V
- 8 F% L; v; j$ G
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, h) q; L* Z% L* @" r# e; h - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( d+ S, J0 |6 p9 T2 |8 i
- printf("Input MAC error\n");, C* F! d2 S0 o8 [2 J. g# ?
- return 1;6 _$ C1 z o. }( ^0 J) f
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- for (i=0; i<6; i++)mac[i] = macs[i];! ]9 [) J; K" t0 u0 N. u
- printf("\nPlease input new STBID: ");) @& `# c- s, j' x2 s3 ], z! t0 W0 z1 ?9 ~
- scanf("%s", stbid);% E0 t/ N" h) R& Z6 N1 @0 `
- if (strlen(stbid) != 18) {) O$ a! ?' I, u& v( G
- printf("Invalid stbid\n");
! D3 L8 l& O- l0 A - return 1;
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- printf("\nNew parameters: \n");: E3 c. b: g8 B* N+ m9 q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* g' N" q5 ]% X( U' j - printf(" STBID: %s\n", stbid);
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+ p5 _- `1 n" q4 [- printf("\nDo you want to change paramemters? (y/N) ");
( Q' _6 t5 O0 E0 w - for (;;) {5 C* I# b! n9 S. i" m3 @
- c = getchar();6 G# V, z& d9 T h
- if (c == 'y' || c == 'Y')& c! Y$ q( k- ^8 J
- break;
7 Q) F5 y0 v2 e( f - if (c == 'n' || c == 'N') {1 A i; u8 l- D9 k3 e+ a
- printf("\nAborted.\n");
# B( X( c5 @! f) O - return 1;" r7 [8 b; K2 a' Z( J1 B6 O
- }
i! A% W6 W% h X6 d/ [ - }
: b: {" ~5 H4 X9 X/ ~, } - if (writeparam(mac, stbid) == 0) . v# f( l9 J: n. `8 t. W$ y$ O
- printf("Parameters changed.\n");
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- return 0;
+ N% B$ M( l" o, m - }
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