本帖最后由 0522 于 2012-3-21 23:04 编辑 ( z4 A& p+ T6 u6 d
* f$ a9 L8 o# j修改的代码早有了。到今天不会编译。0 Q% q7 J' C# q* ^( @1 W) j! L) p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' s4 {# {; v. p
- #include <malloc.h>
9 d% K7 z3 Q% H. G$ ~ - #include <sys/types.h>
+ a" H2 y+ E7 R" M - #include <sys/stat.h>. y P6 \7 Q/ U! W9 c
- #include <sys/ioctl.h>7 y1 i0 B8 z; r) E7 \+ m/ {$ Y4 Q$ D
- #include <stdio.h>: a* D6 F/ W: P) O% P" y
- #include <string.h>, B% c/ [* O5 A7 D/ m* T$ R
: H0 d, j/ T% A, z, |4 Q$ ~7 D- typedef struct {
/ E$ P2 y1 ?6 r4 S; H - unsigned int e2prom_cmd_sub_addr;
, T1 _" {* B1 {* b1 C0 e! E/ @: G - unsigned int sub_addr_count;) w5 L1 S1 w0 a" I
- unsigned char* e2prom_cmd_data;
l; x! P0 _4 M% b - unsigned int data_count;
. N5 `, h7 [0 W9 k; } - } e2prom_s_cmd;; C3 G% J. h, i& n0 G2 y- U
- % r! k8 }: h- s3 h
- #define E2PROM_CMD_READ 1
r: Q; n9 D0 Q- `' f - #define E2PROM_CMD_WRITE 24 I6 x$ M7 a3 o, C% Y9 K6 b4 U7 V
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 B% w3 z/ u3 S* ~% k+ b/ ?
/ D0 [* ]0 C: L; F- static int readparam(unsigned char *mac, unsigned char *stbid)
* C: u. t6 Y! o# ^ - {
. }, f X3 [" | - int fd, ret;( x" z5 b# G$ k/ v. {4 n
- e2prom_s_cmd arg;% e! }! {$ o# E9 n1 F
- unsigned char buf[0x18];7 W! j- ^8 s0 d- F+ E' V
- , N2 R, g3 |. D, C
- fd = open(E2PROM_DEVICE, O_RDWR);: C% t H- L$ z
- if (fd < 0) {
) j4 p8 m r- v: O - printf("Device %s open error.\n", E2PROM_DEVICE);
8 M7 U6 D+ V) P* J - return -1;+ Z1 K2 J4 {6 w. A4 J: r
- }
) @' [0 W" S; b3 V3 A7 v - arg.sub_addr_count = 2;1 Y4 X. o5 |- N8 T6 {
- arg.data_count = 0x18;
a& A# f, N% c$ @6 `9 D! x - arg.e2prom_cmd_sub_addr = 0x290;
: [# n- P P X0 N1 h: U! p - arg.e2prom_cmd_data = buf;
0 E% r5 b- E/ d% }6 W% j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 n- g% C! _" F' R- c* y5 D
- if (ret != 0) {
3 O; l1 w, |8 V& ~; | Q' h0 k; c - printf("Device %s read error.\n", E2PROM_DEVICE);
8 D3 a% t1 o/ G% L- R- \ j( |" y - return -1;( d$ ~2 g4 |" ^: D/ J/ W; l* z
- }/ R) j- Y d- \& ~4 A& d2 M
- memcpy(mac, buf, 6);
1 x: Z4 y# j3 j6 a - memcpy(stbid, &buf[6], 18);
/ |& \# g+ y: K' f/ ^5 R F0 t9 g6 ]. L - stbid[18] = '\0';
2 t. b& t# F% S; r: w" q - 7 E7 K2 {% \) k& D' t6 [2 B
- return 0;
0 _9 Z9 B) L% I- i& X2 u7 e4 O - }
) S. f5 n. F* N - 3 J8 f) j } }
- static int writeparam(unsigned char *mac, unsigned char *stbid)" M2 s( J4 w( }4 f
- {; D/ S: x% P* w2 D' c, p2 E
- int fd, ret;
/ }. P0 B; F% E$ U2 c/ v - e2prom_s_cmd arg;- ?& f; s" v( e; w- W, j+ u' i+ u
- unsigned char buf[0x18];, m. n, m( _7 a) @6 k: N8 F. N
- " ]& J- X0 w' n0 d5 [
- memcpy(buf, mac, 6);: ?( D3 m- y& B0 s# ^, Z7 b* b
- memcpy(&buf[6], stbid, 18); E5 e. S- X- m2 P C& h9 A
- fd = open(E2PROM_DEVICE, O_RDWR);4 g6 [6 U; Q1 |% Z
- if (fd < 0) {
4 [3 G0 g6 K! O* w - printf("Device %s open error.\n", E2PROM_DEVICE);
# G/ K0 {6 h: }) ^, ~2 E - return -1;: B7 ^2 c& c, y: t
- }
1 }# Y7 w6 y8 } - arg.sub_addr_count = 2;. L8 P& \( N1 ]
- arg.data_count = 0x18;
1 T3 R% ~ v% Y - arg.e2prom_cmd_sub_addr = 0x290;
3 ?1 h) i: v& [5 Y - arg.e2prom_cmd_data = buf;; o S$ ^/ W# J) F( h
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ L u4 s/ ?5 y - if (ret != 0) {# Z9 G4 X1 g% y
- printf("Device %s write error.\n", E2PROM_DEVICE);
- x8 @" y3 K) S9 \1 `( k8 w - return -1;
, B) R. r7 b! \8 C* p# ^$ w+ a - }
3 E O5 V a2 h" _ - / s% g5 O7 t# H6 ]
- return 0;% F3 d7 D! ~( N1 K% A
- }
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- int main()7 f- p; O% Y x% S# l
- {( W5 K" O2 y5 _8 s# ^6 `
- char c;6 j' C; ]( H/ J" l: [
- int i, macs[6];4 @$ y. ~" h5 @9 |
- unsigned char mac[6];
) O; O0 x" g# {! f8 N& J" ? - unsigned char stbid[256];
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; G( d P: M/ L/ T5 `) ~6 Z. k& ?- if (readparam(mac, stbid) < 0)+ n3 J* ^3 _. f6 E
- return 1;$ o/ O; O* K7 u" _! T3 ~) I8 f' a
$ U. g0 T- u5 K( ?) i6 d" C! b- printf("Current parameters: \n"); J" ` X# x; ^7 g" M' p* S& R
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; q; I4 n: @6 U2 K - printf(" STBID: %s\n", stbid);' M5 |, ?2 B, A( e4 V8 j
-
7 T- @. g5 P. U# I$ O$ p3 m - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 m B% J9 T5 {; ~" P - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ T8 C6 U; C" Q* X% @+ q* U/ i0 G
- printf("Input MAC error\n");
+ I) \7 ~" ^5 K7 d+ P - return 1;
$ ]- s1 |4 b2 C! t1 h- a& n& G - }
1 q7 H- R: N) v) O - for (i=0; i<6; i++)mac[i] = macs[i];
, W3 ?2 H; ?0 W* J o# C - printf("\nPlease input new STBID: ");+ ?! O& _1 T' Q% H8 y. Z
- scanf("%s", stbid);
9 c+ c2 t% a/ c" F9 g - if (strlen(stbid) != 18) {
2 V. [( n- H4 F( L& k, Q2 A - printf("Invalid stbid\n");
6 Z( Y% R& G0 S/ \: Y2 Q - return 1;" I4 l) ?1 K# W, d6 p! A/ N
- }/ b! m0 S0 R! h( n$ ~
- printf("\nNew parameters: \n");
$ e6 [& k: G8 i5 X" e8 s8 h( R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, S/ T4 n; K7 C9 g6 N
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");& k/ ^& \9 w! E" h- D+ f
- for (;;) {& W* t& Y9 x3 G" l
- c = getchar();1 d7 Z* z, E) d' O
- if (c == 'y' || c == 'Y')
7 D* v0 i( b" p" T! `8 J - break;
1 }# _0 [0 z7 g - if (c == 'n' || c == 'N') {
0 t+ C+ V4 @ b - printf("\nAborted.\n");. X5 d0 A8 Y. T4 G$ t) _9 V
- return 1;* Y5 P1 m8 \0 x2 r3 e$ ^* |: [
- } p3 I- n8 `8 B- ?5 Q' A
- }' n M* X# X* e; G+ j& y, c
- if (writeparam(mac, stbid) == 0)
! @* P) [9 e; q6 x - printf("Parameters changed.\n");) ]# P. \6 J) |( [2 v3 {1 I
& e8 r. h& ~1 ^* I- return 0;
6 V0 \1 O9 j, R - }
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