本帖最后由 0522 于 2012-3-21 23:04 编辑 % `1 z {6 U* ?* I% H( Q
9 o7 a0 U/ D/ }! K) Z$ l修改的代码早有了。到今天不会编译。
( B; c7 K" A' @6 \1 B3 h8 \需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>3 O) N' Y: B% ]
- #include <malloc.h>" }# s# i& o* B5 X. |
- #include <sys/types.h>- @, r0 C( `5 U; E7 z4 \
- #include <sys/stat.h>' ]4 {0 ]" u( Z0 o/ J* o# l% Z
- #include <sys/ioctl.h>
1 p7 K+ Z8 o+ j d/ S) i6 K - #include <stdio.h>( f1 D' E: K4 ~9 Z& X
- #include <string.h>
: O2 A+ U1 Q7 S8 X/ b
2 \) H C1 h2 v5 g/ o% z5 [; [- typedef struct {
Q. ~: v; D* v0 e9 j# k4 y - unsigned int e2prom_cmd_sub_addr;
4 `$ F& ]* v9 I; b - unsigned int sub_addr_count;: k* Q, _# v8 ^$ c" w
- unsigned char* e2prom_cmd_data;
( A9 c8 ~4 y$ c - unsigned int data_count;
. U( d; m# E5 Q$ S6 U, `% v5 a2 y1 _ - } e2prom_s_cmd;
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0 j2 ~0 w7 z" F% C- #define E2PROM_CMD_READ 1
! `4 X3 S, c8 Z1 g5 B6 p7 g- y, ` - #define E2PROM_CMD_WRITE 2
" E8 H5 k+ `6 j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
3 Y: {3 U* D! t; K
6 x4 D8 k% Y: M( S- static int readparam(unsigned char *mac, unsigned char *stbid)8 z6 m& v- b' A1 O: \7 H
- {
{8 k$ B+ n7 f' b - int fd, ret;
8 V. G/ `1 c+ h; s; C - e2prom_s_cmd arg;+ F' D( L! o2 V7 E0 \1 u: m
- unsigned char buf[0x18];# K) h; y# r4 A6 t" A/ c- u
& H8 B/ \: s" k7 ]. ]- fd = open(E2PROM_DEVICE, O_RDWR);
& t5 H3 F e' W# L - if (fd < 0) {
& y, G U$ r/ E- B - printf("Device %s open error.\n", E2PROM_DEVICE);; c" M! T) Q, g
- return -1;
1 P9 p. S' [- Y, c( i - }
8 }6 [6 e0 O% } - arg.sub_addr_count = 2;) p& a9 v6 \4 C4 ?8 O9 ]' v
- arg.data_count = 0x18;! p/ m1 h* m# g2 J* @% h4 Q) v
- arg.e2prom_cmd_sub_addr = 0x290;2 ]- Q7 V6 K- J; \! n2 L0 R
- arg.e2prom_cmd_data = buf;/ d, k* P& B# c7 \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);: R. d' f6 A7 `/ ]! ^/ j* I# r, G
- if (ret != 0) {
- p# A7 W1 s4 r7 Y - printf("Device %s read error.\n", E2PROM_DEVICE);
8 ?/ h S' u) Q; A# N - return -1;
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- memcpy(mac, buf, 6);
! E1 v0 @5 b; f) N8 |/ ^2 t% J* w - memcpy(stbid, &buf[6], 18);
2 f/ ^$ P9 v* M5 a8 L; y - stbid[18] = '\0';
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: A6 d, H* K+ t4 ^% n- return 0;" l6 f- j# {' H; |: G& `
- }- b1 q! x$ L" Q- S4 ]1 T
- ' ]+ y* S1 {! } A+ t
- static int writeparam(unsigned char *mac, unsigned char *stbid)+ }% x3 ^9 z; g7 U
- {% W v. C' T, ~2 O
- int fd, ret;, e- P. k2 P& C) ~8 t
- e2prom_s_cmd arg;
. d- v. S# \* p4 i# s. ^1 Q! } - unsigned char buf[0x18];
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& ?5 X3 v; {/ U8 R/ f: `- memcpy(buf, mac, 6);3 x/ w5 H5 q- B1 W" |$ w ]9 t7 q
- memcpy(&buf[6], stbid, 18);
; \& Z' L5 |7 U3 d: R - fd = open(E2PROM_DEVICE, O_RDWR);3 G, u4 Y. q p1 l+ r
- if (fd < 0) {
1 b' |, t. m% \1 M8 y' ] - printf("Device %s open error.\n", E2PROM_DEVICE);
P2 m4 b8 P- p4 S - return -1;3 @6 X4 Z% B+ P8 ?1 J6 g5 S1 G
- }( N1 H( y# G( k. [
- arg.sub_addr_count = 2;
a/ ]0 ?( Q# r2 q6 S' X - arg.data_count = 0x18;& K( n: v/ K. r% }6 `3 R$ d' D
- arg.e2prom_cmd_sub_addr = 0x290;
+ O9 C) w: k' Z - arg.e2prom_cmd_data = buf;0 f; A, p, ^, D: _
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 q9 ^6 Q& }7 [6 @
- if (ret != 0) {
6 }0 Z: k- U4 Y) _- x4 Y - printf("Device %s write error.\n", E2PROM_DEVICE);
7 y4 d0 a' o# w6 M$ `; o - return -1;, s2 Q' `3 P# d& @8 Z+ A$ Q
- }
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- return 0;
4 S1 Y: q! |2 B8 b0 L$ H - }
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- ]. G( p! c& R8 X8 f. P8 H8 `- int main()
& F1 c+ y8 z7 G# r$ V% |% n5 r - {' g1 `( b2 Z# s8 o
- char c;. r" a* m( ^3 K
- int i, macs[6];+ J7 t$ f* `! h) A ^8 Z
- unsigned char mac[6];8 S) {: K! }8 `4 M1 E
- unsigned char stbid[256];
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* _/ J3 \ q9 Z8 P: K- if (readparam(mac, stbid) < 0)# M8 n6 ?: E9 c$ v0 H' S4 s
- return 1;4 Z- f; x* Z- `& ]% ?8 w4 `' ]9 C; ^
# `( W. {' K4 c' x% O& W" h- printf("Current parameters: \n");
4 f- \* d9 n7 ?* \0 T& ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. w; Y* M5 E1 n2 q - printf(" STBID: %s\n", stbid);
4 \6 b/ ], w: ~" E7 ?: P& w) [ -
- v) f8 F# x2 z1 v5 W7 Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; L& g7 V" `! z. {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& J8 m; P5 W% H0 _$ M
- printf("Input MAC error\n");$ x& y0 L2 U- ^9 o- e
- return 1;
& ^) x% I; e |, I. X H- \& H - }
6 [5 N. ~9 m7 c# I0 Y9 P' U - for (i=0; i<6; i++)mac[i] = macs[i];
8 g. W" d4 z+ u. u7 y8 E. @ - printf("\nPlease input new STBID: ");. ^* E! M- N0 |
- scanf("%s", stbid);
, ^( g) y' M, Q) x5 e1 f - if (strlen(stbid) != 18) {3 X3 }. V# y6 A1 _
- printf("Invalid stbid\n");
5 F) M$ t; l4 a5 ~' O0 M - return 1;
6 N: f8 D! M' K5 X1 V9 _- G - }
3 T5 D! i4 D7 L W; r/ P - printf("\nNew parameters: \n");
2 [; G: K: C5 L+ Y; u% N5 i: Y- M - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, `- M( U7 l+ [! d' q7 r/ H
- printf(" STBID: %s\n", stbid);
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; \' V8 T& q9 M! y. Y: M" f' c- printf("\nDo you want to change paramemters? (y/N) ");% a' ^% R8 O( m$ T/ t
- for (;;) {
) _! l$ G" ]0 y/ F( X4 X5 ? - c = getchar();; K9 @* H3 x4 d& I/ a0 |! t* W
- if (c == 'y' || c == 'Y')
x$ ^3 }+ F$ A8 B, o - break;5 {, r2 e: `$ H% [2 f9 F" x6 ^7 J
- if (c == 'n' || c == 'N') {
5 \5 q- ~$ j; d0 q" B - printf("\nAborted.\n");
3 g0 p, q% e$ ?' ?1 e$ b, q# j - return 1;
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- }
6 C m0 w9 U* K$ n, h4 F; @ - if (writeparam(mac, stbid) == 0) / i' H+ k7 N2 O2 ^3 u. z
- printf("Parameters changed.\n");( t% k0 O" E! f; @* `, b9 z
- 4 T6 }4 E+ ~3 H4 r$ p8 t: x7 v5 X
- return 0;
6 [- x/ X8 M+ `1 G% `& M4 W7 t2 A7 n - }
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