本帖最后由 0522 于 2012-3-21 23:04 编辑 1 J4 M% B; N" y5 Z E
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修改的代码早有了。到今天不会编译。6 i# y8 ?! p U' o; H$ [; l/ y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 Z" ]' D2 N) o% _; n - #include <malloc.h>
) D1 G( O" m/ e/ B - #include <sys/types.h>7 J# T9 t6 K0 _
- #include <sys/stat.h>
# [- b5 |( C# u1 L4 v1 Z" g# |" q - #include <sys/ioctl.h>
/ R" {1 x9 c0 `) |1 X( [3 l - #include <stdio.h>
! Q. C7 C; `1 g7 t O4 i- _ - #include <string.h>2 z% t. u F0 Y
- * C6 ?. E! c0 _ i- y4 I6 T5 V6 s
- typedef struct {
. y9 m) M. ?- V ]) x) d2 |5 { - unsigned int e2prom_cmd_sub_addr;1 b, x3 {( {6 M, g3 j* z
- unsigned int sub_addr_count;
6 X3 B# v6 d- y3 E& s - unsigned char* e2prom_cmd_data;4 }% W& U# y+ s, i0 y% o) B
- unsigned int data_count; ~& F; W$ l1 E6 j, w1 D
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1- h* i5 K3 P0 z/ ]) L9 y
- #define E2PROM_CMD_WRITE 2" B1 t" w$ A, P H' N: I- O
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", ~* ?* R+ U% V3 _4 L2 W% ?$ H
, S! F2 M1 o: r- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;9 |+ E' X" P$ B
- e2prom_s_cmd arg;* I9 Y7 k( b8 l) R
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);0 u* i( L! y8 T
- if (fd < 0) {
$ E2 R! J, d$ o1 `/ _* p9 e5 p" Q - printf("Device %s open error.\n", E2PROM_DEVICE);4 f' F) v) h7 }& ^* C9 D
- return -1;$ }% k3 e* j; U4 [4 ~2 ]- s$ p
- }
, o9 i* }0 m, X0 P1 y, b% ? - arg.sub_addr_count = 2;0 I9 c* d8 u& [1 r/ y' {
- arg.data_count = 0x18;" T8 M% c0 N" i' a" ~8 w2 _. R
- arg.e2prom_cmd_sub_addr = 0x290;, F& x: I; P( I: {( `
- arg.e2prom_cmd_data = buf;
: ^7 M' F7 h0 H6 O - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 l" p8 f9 r& } q1 E
- if (ret != 0) { f7 T* D& x8 k
- printf("Device %s read error.\n", E2PROM_DEVICE);
) g+ ^2 H3 `# q - return -1;
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- memcpy(mac, buf, 6);, e$ [0 [6 J6 u0 Q- Y# J( v
- memcpy(stbid, &buf[6], 18);
2 p' i" N! }- a* ~" m7 C - stbid[18] = '\0';7 M/ B( @( t: `" O- r' ?2 t
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- return 0;+ D+ J0 x& y* x2 j
- }
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( a7 I% r, p) X8 L6 \- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 Q! j4 b. V4 x' u - {
4 ^. f" G6 [& _ G4 q3 X- \ - int fd, ret;
+ e" G _6 d, S$ z5 l - e2prom_s_cmd arg;/ n& P. L+ x2 h( i' l+ h' |
- unsigned char buf[0x18];- {4 j8 P, q' @ D8 Q
( ?% F0 ?- u1 d- memcpy(buf, mac, 6);. W8 b z, R+ T* U+ A- Q7 _0 z, g m
- memcpy(&buf[6], stbid, 18);+ {: u; Y( Q& r
- fd = open(E2PROM_DEVICE, O_RDWR);" {/ N9 L% {' Z
- if (fd < 0) {
8 O8 e, |6 u7 T2 z - printf("Device %s open error.\n", E2PROM_DEVICE);
* q8 `, A! X' ]1 s; x6 F2 s - return -1;
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- arg.sub_addr_count = 2;: E, k! Q6 m O# P
- arg.data_count = 0x18;2 Q& s# q% g' e% R" j1 [7 r- ]
- arg.e2prom_cmd_sub_addr = 0x290;1 S j/ c5 P9 n3 `& H
- arg.e2prom_cmd_data = buf;
2 m# L; e1 Z- n - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);6 }( i" j( J4 K
- if (ret != 0) {
+ a& X4 g! n; Z- | - printf("Device %s write error.\n", E2PROM_DEVICE);
; F. d* Q# Z4 T1 e - return -1;7 Q0 g/ G! w, ]" u
- }: t {% r; S W/ T, ]: t
: K) Z+ v( X2 A. b, h- return 0;
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- int main()4 A2 F( n7 _+ d z/ R
- {
7 L2 g+ k, b+ Q. A - char c;% t# M8 w: r' k' N8 {! n( J+ L
- int i, macs[6];
, j( H7 Z# R$ P; E! u - unsigned char mac[6];& e; k) I; c# [# q7 U3 S& v
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0). Q0 Q% ^/ I+ j
- return 1;: I; T; Z) }) C2 N. \. ?: f
- & f. c. Y, Y3 X3 ~: R& H
- printf("Current parameters: \n");
! _. r; D7 X) e2 i5 q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. T8 C' t! i3 b# D - printf(" STBID: %s\n", stbid);6 V$ b- F E; ^5 G
- . D3 \$ Z& J1 o" f0 X T( y2 V# n
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" m& l# l: M7 U) X% `9 d9 ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' u: p+ _0 _* ]5 k4 Z5 g - printf("Input MAC error\n");9 L2 x. M( ^$ H* \4 ^2 |
- return 1;9 @$ v8 z: |( ~! `) l
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- for (i=0; i<6; i++)mac[i] = macs[i];
8 X3 [# U9 {+ B5 G - printf("\nPlease input new STBID: ");
. B4 K) J6 `9 l( i& N) n4 T/ m# S - scanf("%s", stbid);
. H/ ?2 k- g1 A# `- ^' N. Z$ A - if (strlen(stbid) != 18) {
: _ W3 j: Y% v - printf("Invalid stbid\n");
# E3 t) H1 J6 u8 \" H* C. w) } - return 1;
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- printf("\nNew parameters: \n");
' o3 T5 B. `$ i' u3 @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ q, R: e1 ?" U+ x( X
- printf(" STBID: %s\n", stbid);" v. |6 T; e E3 W
' p& n6 V) l( c) ?0 q- printf("\nDo you want to change paramemters? (y/N) ");
: h$ |/ w# ?/ p3 @# Z6 o& b, } - for (;;) {- z5 D4 H% T2 }) i
- c = getchar();( L+ v8 v- R1 D
- if (c == 'y' || c == 'Y')+ \- T. I7 K2 g
- break;
# P: H2 y' a, ]/ b; A7 D' t( R7 ^ - if (c == 'n' || c == 'N') { B* U7 Q5 j4 W/ m7 A* {5 ]6 t
- printf("\nAborted.\n");
9 P1 B2 m* z x- z - return 1;
3 ?+ y4 r; d; r# m - }
* T( H3 g, |6 d6 r/ p - }
0 T' c$ e9 C& o" s' g0 Y - if (writeparam(mac, stbid) == 0)
9 L/ W* J$ U+ l! j. G- Q1 Y# q - printf("Parameters changed.\n");1 Q6 A- G5 X) q0 c' j" m
7 N$ Y, o$ p! r7 U; Q5 _- return 0;
5 Q: [( k( y4 H$ R' w. R/ ` - }
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