本帖最后由 0522 于 2012-3-21 23:04 编辑
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+ ?- P2 t P: W. W+ x7 k0 \/ M3 x修改的代码早有了。到今天不会编译。
5 F. q4 n) x1 e5 j) r需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 Y4 ?& a/ o9 z% ^ - #include <malloc.h>2 R! } W+ `' p( z* X
- #include <sys/types.h>- A. H) H* g- y1 Z; h7 S$ |4 M
- #include <sys/stat.h>
7 ]% P9 B5 V) T4 Z( U* n. I - #include <sys/ioctl.h>
7 f! T B: J8 c - #include <stdio.h>* n) p6 c& P; |* \" e& G o
- #include <string.h>
; `2 E1 a @0 L% B: g - 5 f1 J: X; U4 b
- typedef struct {/ ]0 p) }9 _% t/ a. o# q; R% a
- unsigned int e2prom_cmd_sub_addr;- t) g- t; }! i4 }! e" Z; k
- unsigned int sub_addr_count;
$ h- [' j- M) `! W/ B& d# [ - unsigned char* e2prom_cmd_data;/ Y& ]! h; Q1 _
- unsigned int data_count;* t2 J0 v. t* h! N- }- e4 j( r
- } e2prom_s_cmd;6 F- _ o- Z- K4 @
- 1 u' ^' B' L5 C" O T9 I
- #define E2PROM_CMD_READ 16 g- H) v" K) ^
- #define E2PROM_CMD_WRITE 2
! p/ X. z9 Z4 n" E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; d7 _. L7 Q/ b. n5 c! g9 ?5 `
- I) o2 `+ _5 ~3 `& r- J; a" m
- static int readparam(unsigned char *mac, unsigned char *stbid); L, A! b! ^+ p+ C. d1 _0 Z' Q+ ]/ q% P
- {
) C' Z% V9 W( a+ P) D) A - int fd, ret;
/ ^0 e* _. \0 O( T - e2prom_s_cmd arg;
6 R; d+ \ @& H, K- u( n - unsigned char buf[0x18];8 {0 L5 n% ^; {6 k& N2 R
- # G0 L- T' }# J, K5 P8 r4 b/ A* w& f
- fd = open(E2PROM_DEVICE, O_RDWR);- J) t; _6 V# U- o- t% |
- if (fd < 0) {7 x( f9 ]9 q) ~# }7 \0 j! X
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ U! X6 p, L8 a# c0 U- [ - return -1;
( s) L3 i1 q* h/ Q% v - }
0 D1 `% a# I# Y! A" `0 m - arg.sub_addr_count = 2;
- c9 K6 z( u- z- h - arg.data_count = 0x18;- G& I* |% e' }& X6 {: g
- arg.e2prom_cmd_sub_addr = 0x290;
9 Y# n7 @% b( t8 j4 X! h - arg.e2prom_cmd_data = buf;$ W$ U$ d- {) N' s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 |- G6 a$ X: I$ s4 i: T: ]# [) k! V
- if (ret != 0) {: b! s& x4 w: b" M
- printf("Device %s read error.\n", E2PROM_DEVICE);( ?8 N7 _- ~- \* |
- return -1;! U; r* ~6 l" f& b$ C
- }
8 ~1 ?/ G" I" B" k1 G n1 ? - memcpy(mac, buf, 6); j& U, S+ K: a2 d7 }7 ~$ \3 f
- memcpy(stbid, &buf[6], 18);) f1 E6 e u, q: ^8 f& W
- stbid[18] = '\0';5 J F' k3 v6 @2 f2 P
- $ y0 k9 H% G2 F) k; h3 L# ]
- return 0;2 C( F3 _/ t T+ L% [7 T
- }
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2 o' ]. t' \5 t1 `- r/ j- G- static int writeparam(unsigned char *mac, unsigned char *stbid)
( F7 w2 {+ b! O0 f F - {) [# J- E) `) K# n& L, ]1 T8 ]9 p
- int fd, ret;
4 ~8 {: G3 o$ b4 }/ L' w- C# `% R - e2prom_s_cmd arg;
; ~* W3 U; V7 y" B7 ?! q: s" G - unsigned char buf[0x18];2 @# f8 f) c4 x! W
- ! h) g& k( f2 [' @% W6 [
- memcpy(buf, mac, 6);
' L0 W B" W/ U2 Q: x! m) w - memcpy(&buf[6], stbid, 18);
3 U9 C+ w2 D: O+ n- Q# u - fd = open(E2PROM_DEVICE, O_RDWR);* X; {+ C3 Q6 M: w$ r; ^% n- t; R
- if (fd < 0) {
1 W9 ^1 `! i" ]& C8 f1 V# c4 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
. Y+ H$ s* P$ b' R6 l - return -1;
p/ b- X' B' h D$ b$ ~& ?8 ?7 [ - }
, _- g M. S( w9 [0 T# w/ l( E8 [ - arg.sub_addr_count = 2;
: ]* I* P4 H L0 K5 O( E# U - arg.data_count = 0x18; G% N$ Y$ O5 ]& q+ Z% z4 U
- arg.e2prom_cmd_sub_addr = 0x290;
' ~( W, `- A! u4 E. I- F - arg.e2prom_cmd_data = buf;2 T n3 n) O8 N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, E% ?! l+ y. U) f! j' e
- if (ret != 0) {
( v; z" y# F9 z - printf("Device %s write error.\n", E2PROM_DEVICE);
# [- q; b$ n, }/ F) M - return -1;8 ^) c8 `0 b2 j3 M5 h' e
- }
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- return 0;0 T: m+ }: Y2 {; C6 R; X; O
- }# h, l1 V6 f/ \ ?2 _: H
; D. g% h: X$ \0 J' D, d- int main(). T) M' r4 S6 U
- {" m, g6 h$ U; N* J3 b
- char c;* t5 G' [, W" u
- int i, macs[6];
\5 y* l3 ]' ]" R, `9 K$ j& ^ - unsigned char mac[6];
$ X/ O- Q' @* R% \( G, }$ e( ^2 D - unsigned char stbid[256];
2 `9 j% j* B3 X! w - , U/ C8 g+ J" Q5 z( ]
- if (readparam(mac, stbid) < 0)% U) Q1 j) [# c. g) h7 Y. O, T$ E
- return 1;+ B+ `, X* m+ k" g( Y8 e: i
- & R8 I5 t! M9 o4 S" C4 j8 ?9 L
- printf("Current parameters: \n");
! b1 r2 e' h' X! ~" r( z& a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% W$ @+ e& a. J/ T, e - printf(" STBID: %s\n", stbid);& K, `5 m! ^- D8 p' m9 c5 d! b" \( s! g
-
4 y: T W" I {! [ x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, N- q' K' {3 K6 P - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; L3 E- O6 c5 h
- printf("Input MAC error\n");
. D3 z V. h, z- w+ g - return 1;
* o+ T+ A1 S" n/ E! S+ }" K - }
& H: ?, i' @, G& p# i7 i - for (i=0; i<6; i++)mac[i] = macs[i];
+ R6 F2 Z7 g6 {( L$ |8 Q - printf("\nPlease input new STBID: ");8 w9 I, k _( T6 c9 x
- scanf("%s", stbid);
0 y$ |' S/ ?$ } - if (strlen(stbid) != 18) {
8 l; ~+ [. M6 q+ @' t9 M* l# ] - printf("Invalid stbid\n");0 y) j6 @5 b! _; z! s
- return 1;1 n7 Q' r% m) q
- }" v- h" k. A" f9 t
- printf("\nNew parameters: \n");- z+ \" O; U% `' F$ ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 M! Z5 |) [$ b; v' s( v( h - printf(" STBID: %s\n", stbid);7 y* R/ m# n6 g
- * [$ c8 |/ h% r4 x- a' N9 Y8 I# G! D
- printf("\nDo you want to change paramemters? (y/N) ");9 Y3 S" G6 ` A" I/ F8 }% U. L
- for (;;) {+ c; U" l2 i& T3 n: g, B0 I
- c = getchar();
; y4 }0 S4 i. p, Q; M* r; W - if (c == 'y' || c == 'Y')7 s. I# E, k$ e& C! Z+ Q6 P
- break;+ L7 v9 q/ H+ ]; V0 f N
- if (c == 'n' || c == 'N') {6 c' p2 Q5 p) _
- printf("\nAborted.\n");
6 q! a; P$ J/ { y5 _ ~' p - return 1;6 i5 S1 D; O: s8 Y: [- W( o
- }
6 I, `+ g$ D$ L" T) v7 T6 w - } y$ B; E* F. y% h6 f
- if (writeparam(mac, stbid) == 0)
0 X0 x N) a! k8 Y9 E; w( w6 q - printf("Parameters changed.\n");- z2 }* Z( w( z# v+ u
- * A) U$ B0 n6 G8 i0 } r
- return 0;
# [# ?& S4 V# d. b5 ?. [ - }
复制代码 |