本帖最后由 0522 于 2012-3-21 23:04 编辑 1 t6 @. |4 M H- P) p' h
* V; y8 c: F# s/ h" g/ L) r, v修改的代码早有了。到今天不会编译。2 b! h+ s' a# R# Z f
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 \, ~1 ^/ a7 F+ I& h, y
- #include <malloc.h>" z$ O5 ~8 B3 Q
- #include <sys/types.h>
. w$ X5 M& F" }, ?( E" `% \ - #include <sys/stat.h>; k+ F& A% O9 S
- #include <sys/ioctl.h>
6 c- h/ e( q1 I( G k. h+ ^ - #include <stdio.h> B% S4 p0 L! d5 i2 F. x" I+ u
- #include <string.h>5 T' v9 G6 U) k& W2 h
$ k8 {, G+ P: A) Z- typedef struct {
; V! y. _" Q, F) m% U1 J& w - unsigned int e2prom_cmd_sub_addr;
0 L0 Q5 `5 X& H5 ? - unsigned int sub_addr_count;! W1 V" o( a! r5 u1 _
- unsigned char* e2prom_cmd_data;
3 @& L; Z% p% `0 B' [ q, w - unsigned int data_count;5 | D) p, w/ O6 u. o
- } e2prom_s_cmd;
0 f- W2 O, Q! R( p4 e, J - 4 {; z- @3 G! L( i$ n. }
- #define E2PROM_CMD_READ 1
0 b4 G2 a2 }! {% M! X - #define E2PROM_CMD_WRITE 2
" w+ B, ~/ f8 P! X - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 R' q) E% v! R' {% G0 d6 ~- C' ^
- , e3 h8 m4 g E1 x1 }
- static int readparam(unsigned char *mac, unsigned char *stbid)2 @; h5 f3 O: U
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- int fd, ret;. b# N5 p. P6 v
- e2prom_s_cmd arg;
! D8 |- [( d T4 ]- N( M - unsigned char buf[0x18];
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! ~; |& }; I ]' y2 {( P- fd = open(E2PROM_DEVICE, O_RDWR);
5 y+ d* P5 i3 j4 j5 ]% c, T - if (fd < 0) {
b; D! C0 M( m* F$ F; ?2 b/ \ x - printf("Device %s open error.\n", E2PROM_DEVICE);
W0 W, e( r: T0 v2 o - return -1;
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- arg.sub_addr_count = 2;/ Z3 @* \; v8 P7 j
- arg.data_count = 0x18;
6 i( Z0 I4 n" z9 c1 l - arg.e2prom_cmd_sub_addr = 0x290;
& [4 X, [8 Z; v6 e - arg.e2prom_cmd_data = buf;
8 ^* E; s8 t) F/ @- g, N4 o! ?3 c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 C9 s- U& W& n/ Y1 c - if (ret != 0) {% w+ z b& E: Z3 q2 F8 j
- printf("Device %s read error.\n", E2PROM_DEVICE);
/ M5 o7 p; X+ ] - return -1;
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- memcpy(mac, buf, 6);! w @( j1 b( e0 J4 t
- memcpy(stbid, &buf[6], 18);) Y# j2 |+ S/ [2 ?1 v5 D% }
- stbid[18] = '\0';' q: h, g. \( G6 d+ C* ?$ a
^. j) H1 q: W8 h" L/ a! K A$ I. r, G- return 0;
) b/ Z/ F- _$ p8 L - }0 S' s# M; H; X# e) `- {
- 2 o9 L( X5 _+ m- h* C
- static int writeparam(unsigned char *mac, unsigned char *stbid)
7 k# @3 m: C' E1 @ - {
4 O6 f# [: L) n/ Y5 w( }$ Z - int fd, ret;1 w2 p x* j9 K4 H2 E
- e2prom_s_cmd arg;3 d3 q1 D+ E- j1 Y& [1 E
- unsigned char buf[0x18];
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/ u+ t; y. M+ J7 @1 G K' |: Q5 ^6 Q. P- memcpy(buf, mac, 6);
2 R$ g- `& a4 Q3 D8 @) Z) d( \ - memcpy(&buf[6], stbid, 18);6 ~" r7 T& m f( F3 Z5 S
- fd = open(E2PROM_DEVICE, O_RDWR);
7 S* w. Y9 G- `5 `- a9 ^8 i0 @) K9 o - if (fd < 0) {
! @' N( C/ X' z8 N: Q" ^2 p - printf("Device %s open error.\n", E2PROM_DEVICE);! ], n/ R+ o) V2 B9 [
- return -1;
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- arg.sub_addr_count = 2;
9 ]8 x, j& O7 W8 v! S: u - arg.data_count = 0x18;9 W! p8 \8 F9 L6 t- Q: i1 p
- arg.e2prom_cmd_sub_addr = 0x290;
+ S( |7 ~$ J4 f& S - arg.e2prom_cmd_data = buf;
W7 c6 i: Y. }6 _ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& }0 ~4 a8 t# v5 Q7 v2 [
- if (ret != 0) { s* ?! O) z" Q& v
- printf("Device %s write error.\n", E2PROM_DEVICE);
3 A3 d" m8 g! F6 |- W1 Q - return -1;: M& I1 z; y4 V
- }
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4 w* h9 `$ V) k- V8 N6 z- return 0;
6 L- B! C) f0 a. [/ A; } - }
! A7 r: L* }, ^! m - ! G$ d, g5 G* _# F) {
- int main()$ c7 a/ d; h4 T* r
- {2 Y8 u) C4 @1 }5 Z: i! M; {; L
- char c;
6 S/ L0 l( f) z9 d% ^& ]0 g! S - int i, macs[6];
# b. o, p$ e5 s& u% H - unsigned char mac[6];- f) f- }9 X$ x& `+ \+ i: r4 f; v
- unsigned char stbid[256];& G- U3 q! N- q3 e
- 4 |- d+ i# U6 X7 v2 Z1 ]
- if (readparam(mac, stbid) < 0)6 z M% Z# e3 {/ R6 Q
- return 1;
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- printf("Current parameters: \n");2 k+ @" B5 S& H( o, J# V4 s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 g7 o2 K7 a/ b" {) i$ z
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
" m) q7 x6 |" d7 v2 ^/ @% ?7 f1 A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ z8 e/ h, s( C* x9 A$ C" k7 | - printf("Input MAC error\n");0 B7 e& ~+ c( F$ A; J1 P& U' \% I1 C
- return 1;
: n/ ~2 g% I9 A! _0 O5 I5 @ - }
1 a9 S( i. {+ Q7 \ - for (i=0; i<6; i++)mac[i] = macs[i];
2 S( p% B5 _$ m! X9 M - printf("\nPlease input new STBID: ");1 d* G: F4 b# X5 U' K# ?
- scanf("%s", stbid);
' c8 e7 h. D2 h/ e# H0 v! B - if (strlen(stbid) != 18) {0 N y" n* [; k5 u
- printf("Invalid stbid\n");' F$ d4 q/ z: j0 A- _" ~
- return 1;2 g% q& w9 {0 z5 z; L7 M a
- }! K2 P' _% l/ m7 l+ ?1 S8 _
- printf("\nNew parameters: \n");6 w0 @5 g8 r1 A7 G% y! T, |4 S' x8 P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ S$ I+ u( o8 n: Q: m6 g% j - printf(" STBID: %s\n", stbid);
, O7 y" u. k& m" b7 x5 d+ Q* O - ; h+ Q/ N" B X- J1 y' N
- printf("\nDo you want to change paramemters? (y/N) ");
% Z W2 d9 a1 x {( C - for (;;) {8 x- t" X9 s1 Y+ \
- c = getchar();
- ~. Z# }( h" Q0 F. r* q - if (c == 'y' || c == 'Y')
9 k- V( W2 V8 h4 ` - break;+ P& Y. h5 A l/ a1 |* J
- if (c == 'n' || c == 'N') {$ D2 ~" K; w6 ?3 m( T
- printf("\nAborted.\n");
4 q$ R) ^& @2 i3 r; a; F6 Z - return 1;" l2 q& L/ F8 F [/ i, ^& f7 l$ c
- }( r) j0 G1 X/ d
- }
; N8 `3 r( b. b q7 x - if (writeparam(mac, stbid) == 0)
: Z$ { J, i/ ? - printf("Parameters changed.\n");
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4 q, c$ _0 f* Y% k- return 0;
: a9 o1 I+ r. y4 F+ g& N - }
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