本帖最后由 0522 于 2012-3-21 23:04 编辑
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/ g1 I1 c: v8 e d: _' l: c修改的代码早有了。到今天不会编译。
, M! k! e8 u( q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; \0 ]& I& c* C! a7 ~! H2 @' D
- #include <malloc.h># [& R9 i0 i9 h# w
- #include <sys/types.h>/ b& w" ?# D( @ n/ R4 E8 S: `
- #include <sys/stat.h>$ f& b+ x% a; k9 S. B+ N8 C4 M
- #include <sys/ioctl.h>
4 G, w! ^; M; a - #include <stdio.h>! C: U- U+ K- @; }" o
- #include <string.h>
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/ W' X: \5 ~8 D+ J! m' b0 L0 U" n- typedef struct {
) Q. _- ^0 O; `6 Q) G - unsigned int e2prom_cmd_sub_addr;
+ O6 Z# `0 S3 a3 T+ e# o' z1 y - unsigned int sub_addr_count;
0 r' h8 g" s8 `# m+ X - unsigned char* e2prom_cmd_data;$ K* ^2 f1 W( n! R0 ~
- unsigned int data_count;; g c" l* x$ ]2 T- Y/ ~
- } e2prom_s_cmd;
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7 \# M1 v+ T" b9 P* ]- #define E2PROM_CMD_READ 1
7 t2 z0 _% ~0 [* c @' V - #define E2PROM_CMD_WRITE 2, V- | W2 ~0 n, W
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
. ]2 b& F8 _ Q - I8 ^# _% _- O% f/ n4 }3 }
- static int readparam(unsigned char *mac, unsigned char *stbid)
# p1 p" y7 y2 [ - {, h; R; a; k- E! q, ?4 Z ]
- int fd, ret;- d* R: i, m" Z9 H C" [
- e2prom_s_cmd arg;
7 j# r+ b' O7 }# R( {! m - unsigned char buf[0x18];% C' W9 a0 v1 i! f
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- fd = open(E2PROM_DEVICE, O_RDWR);
: Y( t# R! n/ S' e4 {4 U - if (fd < 0) {8 s! u0 H% R# y6 G3 g C7 I
- printf("Device %s open error.\n", E2PROM_DEVICE);# X% W3 Q7 o+ ]0 f3 R) D
- return -1;
: [% B: P2 s4 G: T: A9 k - }
) }/ i X# D. y- O- t$ k _' v - arg.sub_addr_count = 2;
9 }4 [7 T) a j9 J5 y# ` - arg.data_count = 0x18;+ y% D( u, F5 Y1 G
- arg.e2prom_cmd_sub_addr = 0x290;% H( p% Z' M, \0 j! O0 _/ u
- arg.e2prom_cmd_data = buf;" w+ u) r0 ]* m! \+ U# w( k! b
- ret = ioctl(fd, E2PROM_CMD_READ, &arg); t: Y( ^( `9 Q" d' z) y( Z
- if (ret != 0) {
5 p6 Z0 q0 z" \" \% h - printf("Device %s read error.\n", E2PROM_DEVICE);$ A& w1 k. Q. r/ N' r* v
- return -1;; N* F8 Z3 q5 {. o# ] o6 B6 g
- }
+ l, K9 i# `7 o$ d - memcpy(mac, buf, 6);
5 P* [4 q- D( {! N) x# }$ W3 L - memcpy(stbid, &buf[6], 18);) Y" g4 o9 R; P
- stbid[18] = '\0';
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- return 0;( I' @7 H; s' x5 U
- }
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! }! i8 {& ^( N- [- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& z/ X; c5 \9 Q) e0 |+ q( j8 q8 ~
- e2prom_s_cmd arg;& H/ j/ i& O8 [6 F* T" U
- unsigned char buf[0x18];2 m; s# {: _/ d1 V& U/ ]5 Q7 f7 `
- ) W/ n! I6 L. o3 K5 i" c2 |7 c
- memcpy(buf, mac, 6);4 e& _4 o, c7 c. Y( `/ o
- memcpy(&buf[6], stbid, 18);% j6 ^% k7 f- d: B
- fd = open(E2PROM_DEVICE, O_RDWR);
. f( G: p( O$ D# z a6 h+ ~5 D - if (fd < 0) {
. N/ s+ F$ {* t; Q& E2 w - printf("Device %s open error.\n", E2PROM_DEVICE);
6 e# M( q; ]* t8 m1 c/ f. j/ P* y - return -1;
! A2 D n6 A. T* R" ?2 L/ U - }
; o9 @3 ~6 ?: U' ~ d5 g" d - arg.sub_addr_count = 2;
6 I# `8 V' m* f/ a5 k8 ?8 @ - arg.data_count = 0x18;9 D+ F6 B3 t9 w: Z( p+ }6 L
- arg.e2prom_cmd_sub_addr = 0x290;
4 h/ o: Q8 v9 Z5 S; [, N+ D - arg.e2prom_cmd_data = buf;/ [# z: j& l0 I, ^' ? ]
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 A4 X+ y/ ]0 I: ^% G8 `3 {
- if (ret != 0) {+ K4 F6 {0 t' A$ Y1 Y9 _& O/ l
- printf("Device %s write error.\n", E2PROM_DEVICE);
% s+ E" e% }2 X( Y- I6 \ - return -1;! S9 C) x' U: U, ]# b# \9 ~
- }
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- return 0;: ^. c- m: `( L' Y Y
- }
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: v- P$ H; S$ X# t5 u- int main()
$ |5 c+ `9 r+ {; {9 e - {
3 i5 _* \9 S4 a3 A3 x/ x" h8 ` - char c;# {$ `! w/ k( t/ ~! {% i2 q6 u0 D
- int i, macs[6];& I- J. ~ G |* K/ W1 K3 z' B. k
- unsigned char mac[6];
" U3 g6 ]% @$ E7 K8 V v - unsigned char stbid[256];( e7 G' w( ~+ s3 J3 l% J( q) g
- 2 N9 L) [: C6 D* a# _6 d
- if (readparam(mac, stbid) < 0)
0 p- z* M9 N. V - return 1;) _; O* Q- K$ {. Q
& B! n B$ I. U/ l! Q- printf("Current parameters: \n");, K O9 H* l* d% {, N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 h: v4 {: P$ r% p - printf(" STBID: %s\n", stbid);1 T' `7 H$ m w, i
-
1 A: j( i2 s4 N* e/ \ Z& B2 G4 X6 H - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 a3 m. q: K3 V- j% a/ N! r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {+ d) N) l7 r2 ~4 F4 u; y+ y7 K
- printf("Input MAC error\n");
+ s9 H: m* @; x! A P - return 1;- c: E& O1 s. _) b- h. _+ y
- }4 P$ r: ]. g$ `# i6 b8 y3 O, |- c
- for (i=0; i<6; i++)mac[i] = macs[i];3 Z9 Y8 E8 F0 b. U+ T3 d. ]
- printf("\nPlease input new STBID: ");
* ~7 \8 r& S7 a) W - scanf("%s", stbid);/ d; s7 O) V, e' R1 m
- if (strlen(stbid) != 18) {8 R M: _9 p$ f9 X! b
- printf("Invalid stbid\n");
% Z) q% @# ], ]5 n% R3 i - return 1;( E2 H1 Z+ H; g9 b1 |' j1 [ a# A: t
- }
9 q7 S" m9 L: f( \ - printf("\nNew parameters: \n");
X1 Q+ i. l; w& \/ t& x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 \9 W( k$ e8 }) F8 Y2 B - printf(" STBID: %s\n", stbid);
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3 t8 ^2 D3 N( p2 X) R- printf("\nDo you want to change paramemters? (y/N) ");; ?1 i0 r& J1 z' C- b
- for (;;) {& p* U6 Z& B+ T, A) N: f
- c = getchar();
' t2 T- a5 Z" Q - if (c == 'y' || c == 'Y')) j4 [! m/ x3 {
- break;
( A$ B6 s' P& [) E" R4 u - if (c == 'n' || c == 'N') {
( c' N. N5 ?( p7 I" S( e6 I8 P - printf("\nAborted.\n");! W) O, ]+ ]+ |, S' V+ {8 E
- return 1;
! [" t- N8 }) B, K& \9 G - }
% c9 G2 ?! k) t% S - }
& U& A2 s5 M, b( L% ^3 F" A - if (writeparam(mac, stbid) == 0)
, Q; w$ `) [* A0 e7 M6 z- T - printf("Parameters changed.\n");9 T* W$ [. i2 G/ s' I! _$ o
, \7 k4 [1 L6 N& z- return 0;
" g5 u9 B# o, A) p, }6 G - }
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