本帖最后由 0522 于 2012-3-21 23:04 编辑 + z n- P+ w$ Q) Z) L- M
8 ~8 }4 X1 g/ e修改的代码早有了。到今天不会编译。1 L0 t/ d- H' {. g! b( {9 g. X
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; I, |: f! H0 r - #include <malloc.h>
, \2 E: B# A/ Y% Y - #include <sys/types.h>0 n* r( l( |& Q! q9 J5 ^( C
- #include <sys/stat.h>) h7 u& h/ @& l, M5 n7 K
- #include <sys/ioctl.h>
R$ n- \8 J( t2 ]0 e! ^ - #include <stdio.h>+ y% p2 ?) f8 m8 z; M0 |# R- U
- #include <string.h>/ ~5 z6 d8 a, w/ u! r5 `6 w
- " W: z+ r* H# C5 F
- typedef struct {
# E7 `" o- B" X - unsigned int e2prom_cmd_sub_addr;
8 y+ c+ K0 l" e6 p8 P4 _5 K) H - unsigned int sub_addr_count;. f3 }2 s: n7 S2 B
- unsigned char* e2prom_cmd_data;
& G/ C0 I4 m" ]+ O) S4 u - unsigned int data_count;; S# |( k6 v( Y- w( P# C) }8 I4 K
- } e2prom_s_cmd;+ Q, ]4 A5 I: G$ B* m0 V
- ; R! U/ W% ?/ r; }0 D$ M- h
- #define E2PROM_CMD_READ 1
$ Z y- h& j6 p# |9 V - #define E2PROM_CMD_WRITE 2& |# a- x" {9 |& X9 x8 N, o
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( Y; U3 \! u0 O2 n, q8 M
- e2prom_s_cmd arg;
, ]2 q3 `; E: X - unsigned char buf[0x18];
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$ D5 x; f b+ z) a2 x7 h- fd = open(E2PROM_DEVICE, O_RDWR);, R% G/ \3 D3 \ X# A
- if (fd < 0) {# `0 \% C8 E5 \ E) V7 z4 _& e
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 \- a, S% z/ ?2 `1 R |( Y - return -1;
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- arg.sub_addr_count = 2;
( C! ^# }, L) F; e' } - arg.data_count = 0x18;$ k7 x: y( `/ P6 A% D
- arg.e2prom_cmd_sub_addr = 0x290;& W4 v) f( h( \, `% h ?
- arg.e2prom_cmd_data = buf;# ?1 C5 ~! A- t! M5 ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ G: H, ]1 B4 g8 S
- if (ret != 0) {2 z7 e; q& C- o `% W. W9 D$ v
- printf("Device %s read error.\n", E2PROM_DEVICE);" G- a' p3 y- Z4 T. `* i
- return -1;) r+ Y3 f4 Z; X$ H. d* Z, D
- }+ A% g! ~( B% C; N0 y8 v
- memcpy(mac, buf, 6);
# d$ { S* D; n# v& C - memcpy(stbid, &buf[6], 18);
9 h0 Q4 g4 U. ]- c3 L - stbid[18] = '\0';' V# ]' L3 s" L; `0 O3 d( ^. i5 W
- ; g8 u" p+ y1 Z) R& ?# t) k8 q% u6 O
- return 0;
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- , F. A6 e* X5 |. u) G- B+ {
- static int writeparam(unsigned char *mac, unsigned char *stbid)& L! r, I v6 { _+ ]/ N( K3 c
- {8 {0 k/ F& |! ]& M% A% v
- int fd, ret;4 V s) V: Y. D! \
- e2prom_s_cmd arg;
1 M) f. L/ s5 R3 Q, G' } - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);* D! I: m/ @( j. w6 i) A
- memcpy(&buf[6], stbid, 18);
) A1 M8 a: }- y - fd = open(E2PROM_DEVICE, O_RDWR);
4 O, E% F1 h. U- b% L- e - if (fd < 0) {* d. b# O6 x! s' M
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 l: _2 q. h9 K' \ - return -1;" w" m9 @, ?& m$ p5 U
- }6 A1 p# j- s; n. q. f
- arg.sub_addr_count = 2;
) h G) y8 g$ `# I5 l3 p - arg.data_count = 0x18;- _; W9 u% G& `7 Q- w6 o. P
- arg.e2prom_cmd_sub_addr = 0x290;
9 o3 {8 ? T$ w! V$ g1 C# _ - arg.e2prom_cmd_data = buf;
$ g7 O1 G* K/ y4 H1 l - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);1 E- D7 N9 D5 R3 F, V
- if (ret != 0) {! D0 p' I0 ]7 h0 a% b+ ~3 T
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 t: S9 Z: E" l - return -1;
# ]/ x1 J9 _! p# z! L6 }! ?6 y - }
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- return 0;. P3 M w6 u9 Z6 L$ H E. c
- }
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- int main()2 Q" n: H, ^1 w. c/ t7 Z1 k
- {2 }- p* ]( o8 ]6 C
- char c;
9 f1 o! k- m8 V# R* Q$ Z6 { - int i, macs[6];
0 C2 u9 I" S' ^6 z - unsigned char mac[6];
* j+ J' _( `# Q- y7 R* z1 m! G - unsigned char stbid[256];
- c# B X2 R' k
. T. t) T; C6 O$ ^6 B# b- if (readparam(mac, stbid) < 0)( e0 H) X# \- T8 }* ?. X
- return 1;
# s& F8 X( T+ U2 I5 A. r
: G. C; w1 j5 q8 g7 @, h( ~$ J- printf("Current parameters: \n");: \6 d7 S2 m2 u4 ?
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 N* M" u/ S, W4 n - printf(" STBID: %s\n", stbid);3 c4 ?, u" f: \" N' m: ?+ R6 _
- 9 _% Z9 @0 c1 r7 P* H; B% C1 }; ]* ]
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! p3 |( `' W9 Q! L; Z/ S* {9 i+ k
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 k/ ]; ~5 s- h% x+ S- Q3 m( z
- printf("Input MAC error\n");
- j' h& `' N7 Q - return 1;* `. ~. E2 K8 M$ J
- }
8 j1 A0 X" a( N - for (i=0; i<6; i++)mac[i] = macs[i];6 c8 {) J$ r0 Q" q
- printf("\nPlease input new STBID: ");# l4 b6 z$ Z4 x( h: r9 z
- scanf("%s", stbid);
4 A4 E( \+ Q0 u) k2 _/ @ - if (strlen(stbid) != 18) {! e7 B$ f4 t1 ?1 f! O$ s0 G
- printf("Invalid stbid\n");
0 |$ k, w% k9 F+ w' g0 d - return 1;* W! \: a# y* Z5 @" I5 f
- }
8 c* J C- f5 K m - printf("\nNew parameters: \n");; n6 h1 K0 \, m6 ?/ C0 } n* a) W( j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 t8 }1 t( i; L3 D$ `# g" v
- printf(" STBID: %s\n", stbid);
& t; k! @5 N' ~: ]9 F$ E' e1 z( p - o. _+ m' P/ X8 T2 Z' e/ X
- printf("\nDo you want to change paramemters? (y/N) ");
, U8 x, f8 a7 J- B% ^ - for (;;) {
0 ?1 [' l9 ?, v' h5 Q) s6 Y% T - c = getchar();
" s) D. a1 Z) D8 `+ |& ?5 m - if (c == 'y' || c == 'Y'), B6 V: B1 X' f1 h
- break;: g4 w$ Q7 e5 U8 j1 r' ?2 T
- if (c == 'n' || c == 'N') {
2 A3 @: P" O( t. @1 N! t6 J0 v - printf("\nAborted.\n");. X8 g* l" M& w2 v
- return 1;) I& }+ i& l% g2 q% n% u
- }
$ g/ {/ l" Y+ W - }
# D7 v6 ~2 D6 M - if (writeparam(mac, stbid) == 0)
k1 e7 T) h" F+ t" I2 K3 p) e+ J - printf("Parameters changed.\n");5 ]1 I. g4 S e8 J% e6 `
- 2 y# J# P0 X0 I+ B6 J2 c1 s( e
- return 0;3 M4 `% v4 ^0 E( L4 X3 W# G. a! u
- }
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