本帖最后由 0522 于 2012-3-21 23:04 编辑 - m+ Y3 c0 J, r) S; W0 p
/ @4 ?7 h6 E {3 m1 K+ z修改的代码早有了。到今天不会编译。4 U/ g. j8 R& n' d5 _9 L8 @7 N
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& I2 @7 Z1 }8 p e* N5 o! A, I
- #include <malloc.h>* s8 i' u( T% c2 |3 {
- #include <sys/types.h>0 M; s, L8 R6 r
- #include <sys/stat.h>6 q. I8 ]" X5 v; \; }
- #include <sys/ioctl.h>
/ m* z! m h6 }# i) p - #include <stdio.h>! A1 q& H2 f5 U
- #include <string.h>
% _9 k6 g( [, E% l& v& ]
; ^8 A F }0 {( E- typedef struct {
& d/ }0 A. j- w! p5 { - unsigned int e2prom_cmd_sub_addr;' M) `) |) `9 f' j9 D' G
- unsigned int sub_addr_count; T" ]' g: C* x! k: j( t C
- unsigned char* e2prom_cmd_data;
f! e: @ ^$ r" Y& ~* U - unsigned int data_count;
1 T5 u/ S e3 V- \. f - } e2prom_s_cmd;
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. l( J7 v6 i& J4 j' X1 [7 k. {0 n- #define E2PROM_CMD_READ 11 L+ h3 D; n; S5 X( M2 F; F
- #define E2PROM_CMD_WRITE 2( T5 R( m4 ~0 x- C
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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' T4 z5 [& s5 @' H& `- static int readparam(unsigned char *mac, unsigned char *stbid)
5 I; _7 f9 ]0 n/ u3 y5 x - {
" V J6 O5 Q# G" ^ - int fd, ret;
! Q0 d8 ]- {/ S( y - e2prom_s_cmd arg;
% n. {+ @+ o0 d: s) t - unsigned char buf[0x18];
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9 ~3 L2 G1 H" {" n6 o- fd = open(E2PROM_DEVICE, O_RDWR);
8 @8 [$ ^9 E6 x( ^% ~: N/ d - if (fd < 0) {2 f9 K$ X2 G* k) O) H; c* F+ f
- printf("Device %s open error.\n", E2PROM_DEVICE);5 t4 C# A8 z4 F
- return -1;& B/ i' M2 w$ [1 n# `: G
- }
% F2 g; i& t9 m" J0 L. }% Q - arg.sub_addr_count = 2;
( V/ w% w4 d" W9 t/ r - arg.data_count = 0x18;2 z% H. H6 F; y0 w! P( [% b8 Q
- arg.e2prom_cmd_sub_addr = 0x290;
& B' i" {+ U6 w7 b% m; o0 O - arg.e2prom_cmd_data = buf;) J5 F: o" v% r: U. }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ W }. z, \: t* W" A0 K
- if (ret != 0) {0 i5 C" ~' L$ t2 t- c- B6 |
- printf("Device %s read error.\n", E2PROM_DEVICE);4 o J6 U+ t) j4 N( S% W( `8 _
- return -1;
6 ` P+ R3 Y5 D - }
( S+ }( Q5 m4 h - memcpy(mac, buf, 6);0 f h' |0 L9 _5 k( S# C: r- a- U( y! @: T
- memcpy(stbid, &buf[6], 18);
4 l8 M, Z: l* Z5 ?) \" j/ c - stbid[18] = '\0';" H+ @' T U& T6 K& D
0 m$ _' A3 O. p# J- return 0;& {4 r9 X5 f1 {5 F
- }
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1 x% u+ G3 w1 u* P4 B- static int writeparam(unsigned char *mac, unsigned char *stbid)9 F# _7 [7 [" ?2 P( _
- {$ @3 u& I5 b. V6 e* J. I
- int fd, ret;* N; o: ~, t3 f/ S& _% ^
- e2prom_s_cmd arg;
' f; j7 h% q6 f9 F2 N* y - unsigned char buf[0x18];6 E" G! W+ ~8 i- A
7 w0 t7 P0 F1 p) ^ [. k: r- memcpy(buf, mac, 6);! p: S# N0 ^4 v8 D& t
- memcpy(&buf[6], stbid, 18);
7 g/ o9 R3 C" ]3 P6 c - fd = open(E2PROM_DEVICE, O_RDWR);
4 l6 U' Y% o7 g7 h* c - if (fd < 0) {
" c. Q' V. K) M% @ - printf("Device %s open error.\n", E2PROM_DEVICE);
. V6 r5 E1 J& s6 ^/ A - return -1;
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- arg.sub_addr_count = 2;
* J- u5 q! [/ r+ Y, Z - arg.data_count = 0x18;' y% v: {5 `4 x; z7 W" @. Z. F, _
- arg.e2prom_cmd_sub_addr = 0x290;+ Y/ |: v& g% M- N
- arg.e2prom_cmd_data = buf;: `( e5 R9 A* @7 L9 p9 U9 f, l
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 ^) H9 k/ Y& u: H
- if (ret != 0) {8 k5 y& S" z$ \7 e9 D2 Z
- printf("Device %s write error.\n", E2PROM_DEVICE);) S5 D0 h9 J: T1 d
- return -1;
- N7 K3 c- h2 D. a- r - }
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* l' M, b, x8 R; F6 h- return 0;5 X: _8 U' |% ?0 w4 h8 y2 {
- }# i/ w4 t' k2 ]( Q9 t
- # n8 T3 j" k9 g$ }0 @+ }
- int main()! b V7 N, }( R
- {
4 x3 X. v2 J2 g: c - char c;
' j; ]2 y$ I3 z8 o - int i, macs[6];
! f. s% [- r, N! ?! P+ M - unsigned char mac[6];
4 _- N/ T7 ^3 b' O' ]7 ? - unsigned char stbid[256];& A8 q7 O6 c1 ?) a x: Q
. Y* [8 u/ I4 u8 C' k- if (readparam(mac, stbid) < 0); I" N1 K+ c" X# `/ ?
- return 1;4 x' [8 b$ j7 X' H# H% q
1 Y4 m8 {3 L: n w& l- `5 [9 _- printf("Current parameters: \n");! @: u6 B0 v* s4 o1 w0 `1 V, m/ Z3 @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 E- v6 B$ n" M# N' J! n/ d& J - printf(" STBID: %s\n", stbid);1 S! N' S/ c y" L! \4 h8 M
-
+ f- O6 \9 M/ r5 n3 h9 f1 z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 H1 t& ~* ^7 r9 ]& B
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 Z- D" B! L' | - printf("Input MAC error\n");
% w4 y! z% c. y4 C2 m - return 1;
% [ F+ _% o# M' ~+ G- q - }
. j ^& @) x4 Q6 \4 q - for (i=0; i<6; i++)mac[i] = macs[i];5 [6 F3 Z) g! V0 V
- printf("\nPlease input new STBID: ");
% n7 K5 V( |7 B - scanf("%s", stbid);* K5 P- j+ n1 K* ~! `' V
- if (strlen(stbid) != 18) {
2 o# D6 u9 C4 s1 J - printf("Invalid stbid\n");, B0 P, x2 w* q- F
- return 1;: d& `) Y9 H8 B. [: U6 u
- }4 s) U6 _' v8 K2 H! H: }
- printf("\nNew parameters: \n");
5 T; \+ ~8 S' q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 N+ e1 h8 u& c2 a - printf(" STBID: %s\n", stbid);1 e, M$ v0 X! C/ y' U
- / s! k! l) F. e1 O' y! R5 [
- printf("\nDo you want to change paramemters? (y/N) ");; ?; \, Y9 W$ O- m6 u" R X" o4 a
- for (;;) {
7 l" X: M0 H r4 c9 r - c = getchar();
: R% Z" ?0 K8 N' L5 ?$ ^; I - if (c == 'y' || c == 'Y')
! E' C' ? n: E' m* \9 [6 v - break;6 v7 r) y0 c1 R. U
- if (c == 'n' || c == 'N') {
y. X9 S. w l' I: J& Z - printf("\nAborted.\n");
4 K- V( ]: e9 }6 r& S/ Y* M; Q3 L - return 1;( S6 D0 @/ O6 P+ A
- }* e" v# C& Q/ @* [' A @3 D
- }, A6 b6 Y+ V4 I3 ]0 \6 T; O' J+ m
- if (writeparam(mac, stbid) == 0) % I( H5 M; x( c- t
- printf("Parameters changed.\n");3 m) ~ _0 x, v$ e- ?$ M
- + }% |. C2 Z6 J9 ?% X
- return 0;
6 u, b- X4 I0 h+ |) o - }
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