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。6 c5 f" U+ Y- `9 G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; i3 Z* X' j; O; Y7 s
- #include <malloc.h>
! j0 M1 T4 Y3 [# L; l) g; L( ? e ~ - #include <sys/types.h>$ E# N9 K8 k$ C
- #include <sys/stat.h>$ M1 ^) \5 P% m
- #include <sys/ioctl.h>4 g- m+ U' _4 F2 d3 ], ?9 ]7 F( p% M: O
- #include <stdio.h>
8 q5 {4 G( o0 V ]8 V3 j- [& n - #include <string.h>( x" j$ |# g+ F9 `0 k$ l {
- 4 {. i% ]1 X ~# c3 v* h6 D
- typedef struct {6 \ \$ r) @7 I$ G7 @6 {. w
- unsigned int e2prom_cmd_sub_addr;
+ m) J( E$ R8 T% k - unsigned int sub_addr_count;
9 Z$ f3 @8 p5 {4 X" R& }) j2 h - unsigned char* e2prom_cmd_data;: Z( J! u7 h; P9 G
- unsigned int data_count;
m3 N% y; w' g9 P: q - } e2prom_s_cmd;6 l& y. w) S' k/ r* S
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- #define E2PROM_CMD_READ 1; B4 Z( \5 D- ^' f# V% E8 _: W
- #define E2PROM_CMD_WRITE 2
4 \1 [9 z( ]( W& v# Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", b/ Y! y W6 F, u, I6 ^
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;/ s: H% R/ C% F$ h6 J! Z) y
- e2prom_s_cmd arg;
; m0 @* K2 _3 F$ T3 L2 j - unsigned char buf[0x18];
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, d3 z6 l. d1 \5 x# [" o7 @( m- fd = open(E2PROM_DEVICE, O_RDWR);
+ y% [' Q! y) I6 b - if (fd < 0) {/ r& ^3 Z( ]+ S9 D
- printf("Device %s open error.\n", E2PROM_DEVICE);6 t# J$ Y" F7 A+ l/ |6 O
- return -1;
: r* d: ^1 X' a8 ]# z7 Y - }
7 _$ b, J7 f8 J) e' C% ~+ t - arg.sub_addr_count = 2;
7 H) p: S0 U' Z3 d - arg.data_count = 0x18;
& D1 J& J6 h8 C - arg.e2prom_cmd_sub_addr = 0x290;% ]+ O! Q+ q3 Y' R
- arg.e2prom_cmd_data = buf;
9 |+ O- m3 B+ O# B! P$ D+ ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 d. j) d- e* a: ]5 j1 P7 p
- if (ret != 0) {
) j) a1 ^0 {, a4 ?8 H6 p - printf("Device %s read error.\n", E2PROM_DEVICE);0 G5 a, b. s% M4 Q' W6 g* z) g
- return -1;
) q9 K- Z8 \, y; g7 L: H - }
4 M+ o# Y, R* [- ]; ] - memcpy(mac, buf, 6);7 l, d/ L* W, {+ w; {0 k
- memcpy(stbid, &buf[6], 18);" d6 G r0 _! W' r
- stbid[18] = '\0';
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- return 0;0 ^& A9 t% r+ r6 T' @
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- ' ]: ?* A- L# G. [
- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 c5 w: W* D# N; C5 i - {
/ k6 j" G* Z2 ~$ g# V: A1 Y- Y( w - int fd, ret;) o5 L$ C/ M+ G# V4 u- d5 P4 ?
- e2prom_s_cmd arg;
: G( I @; v+ b - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);! v( f- M) s$ w: x
- memcpy(&buf[6], stbid, 18);
- a& @: ]( C) N/ P& n - fd = open(E2PROM_DEVICE, O_RDWR);. ?6 P& D* u4 }; P& S
- if (fd < 0) {( N4 D$ a: \+ S0 U5 m
- printf("Device %s open error.\n", E2PROM_DEVICE);9 c$ e, x+ d. e+ B" d
- return -1;
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- arg.sub_addr_count = 2;
- k4 p; ]- ?3 ~" y( o8 C9 i - arg.data_count = 0x18;: G A/ ?0 S8 {$ l9 R% @
- arg.e2prom_cmd_sub_addr = 0x290;
) i! G' X% L5 V5 C$ @ - arg.e2prom_cmd_data = buf;
# F* @* M3 X6 t; l9 z* d) u9 t/ p - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; a- f6 c+ J) O2 Y, K' n% r: c - if (ret != 0) {
i& O* b/ h8 Q! B2 A% I - printf("Device %s write error.\n", E2PROM_DEVICE);4 p' F+ j) F7 ?: b. x
- return -1;1 O: V7 Y) r' K8 ?$ ~
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( Q* k$ s) Y/ F- return 0;
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& h) [6 a5 s, w4 K2 N$ z- int main()
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- char c;
& d+ U+ m1 D# H3 U3 d8 Z( w" W& g' g, E - int i, macs[6];
- e/ g, J3 u# L - unsigned char mac[6];
1 J# ^. g1 ^- j% O% X - unsigned char stbid[256];5 R8 a, Y( q6 i2 ~0 Z6 `3 J
- 6 e) v; t* N. Z* i
- if (readparam(mac, stbid) < 0). y+ l, j3 m) [
- return 1;
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- printf("Current parameters: \n");
6 |# K- T* i) l2 o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; j; m( Y5 q1 p+ d5 r, `/ l - printf(" STBID: %s\n", stbid);2 E4 T+ h$ M+ y' K$ i( [% G/ t
- ! v- ~) h7 C, u% a5 l
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* d) \- _7 ~) k( k8 U) D
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {: O3 Z4 Z! C- E) P' X
- printf("Input MAC error\n");
# M) Q3 f8 M% p" k/ L+ B/ Z& f - return 1;% c7 Z1 b# t( i" U3 T
- }0 ]. R \ l* B7 p1 A# N, {8 r* r
- for (i=0; i<6; i++)mac[i] = macs[i];8 x6 L9 ^; U- b2 ~* C1 ?
- printf("\nPlease input new STBID: ");" r& K5 [" | z2 v" O* P7 y7 `3 o
- scanf("%s", stbid);- H9 Z J9 s N: ^2 v) z; |. \; B" M
- if (strlen(stbid) != 18) {
1 n1 D4 j0 p1 [. S; Z# ~ - printf("Invalid stbid\n");( k W. A n, A5 I3 B, V
- return 1;4 v. J9 Y, y) }3 G: v
- }
8 \* B' T& ?# e - printf("\nNew parameters: \n");
9 W& n$ H% O3 V+ k, Y" J( Q6 O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 \( J. }3 o+ b2 b0 _# n# D - printf(" STBID: %s\n", stbid);: ]# o; d7 v9 u+ W* O# w3 n/ m
- ( J: u8 J/ o9 C8 K8 r; J( u. ]
- printf("\nDo you want to change paramemters? (y/N) ");
2 @3 ~& U" Y) F8 ^ I - for (;;) {
1 x" e p5 Y; c7 J' i" o/ s8 E% O" ~ - c = getchar();
6 E" M. q6 ^5 b' e - if (c == 'y' || c == 'Y')$ H9 e9 l4 b4 Y. L& t, D
- break;& d3 Y4 `. r ?2 O5 `
- if (c == 'n' || c == 'N') {
8 c( r5 B# M& A7 u- M" m - printf("\nAborted.\n");0 O7 O) y% U5 {' {; {. s+ M
- return 1;
" ^& Q! j4 B o1 `0 M - }
9 i5 L) M& l$ L- [ - }
2 P+ e. L; [" ~/ g+ J - if (writeparam(mac, stbid) == 0)
* D' l2 F0 g/ U: ?5 o - printf("Parameters changed.\n");
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" ^' O G$ @2 _5 C. V4 S- return 0;
5 a/ i# d2 ^6 x) Z: g - }
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