本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
8 ]: j% p3 s4 j. j4 X* y/ D需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 _( U8 U1 F9 e1 V: f: \* [ - #include <malloc.h>
+ X! B# b, @ B0 S* W - #include <sys/types.h>
) k+ R. q" S% z M# R - #include <sys/stat.h>' v8 c1 X# ]5 P% [& S& A s
- #include <sys/ioctl.h>; c8 `5 E6 W& Y% z5 o* `% X; S5 a
- #include <stdio.h>$ `& i8 H- ~( g( m) z o
- #include <string.h>
& p$ z( a7 d% b6 ]
4 f9 Z2 F$ b9 @; p- typedef struct {
) R- `# v1 S6 [- \: ]% q) g2 [ - unsigned int e2prom_cmd_sub_addr;8 r+ {$ ^+ l! \6 U( \ y; _
- unsigned int sub_addr_count;
' G4 e g0 Z: h4 O6 Y6 S - unsigned char* e2prom_cmd_data;$ ^8 [1 K% z) N
- unsigned int data_count;1 }! [7 k; o+ q5 R: O3 e
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
& h9 {4 |# M9 R, U2 k$ P* r, a - #define E2PROM_CMD_WRITE 2$ y; L* a6 G8 y, Y* x: S) S6 v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; q5 i: Y: S! Q% ?
% v+ b/ Z$ D- C/ P. A, r* O- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;/ Q# ]9 c' T7 J" Y( `# j
- e2prom_s_cmd arg;8 ?) R8 A" M [ @& S& k4 g
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);' z3 c1 W9 g$ p7 R
- if (fd < 0) {
9 r3 w, ^# l7 X: w* D9 v& P4 R) e - printf("Device %s open error.\n", E2PROM_DEVICE);
8 t0 ?" I& m5 R5 `- E1 h - return -1;3 }; N7 q, G; {
- }- I d8 b) t' Y9 Z6 ?. A
- arg.sub_addr_count = 2;1 s/ J' x7 k ?% Z/ |
- arg.data_count = 0x18;& t; g' d: |% _# b: \% q1 [
- arg.e2prom_cmd_sub_addr = 0x290;- k3 d- F+ o# F6 A+ Z7 ?) v
- arg.e2prom_cmd_data = buf;
- h1 _: Y5 p% [0 M% n; [+ s - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# t7 y$ {* n; W$ g: X8 C( j0 B
- if (ret != 0) {. z c( t% t& K+ E1 `
- printf("Device %s read error.\n", E2PROM_DEVICE);9 T! `& g* m7 ?. j
- return -1;! ~/ @0 s3 v+ |7 u( F' L5 n
- }5 ^# Z2 v2 \( W2 E' ^1 q1 A& P6 y
- memcpy(mac, buf, 6);1 H+ I; f8 y( h$ A+ C( u
- memcpy(stbid, &buf[6], 18);
- t& v4 U4 Q% K2 N% r9 z - stbid[18] = '\0';
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- return 0;
) ~( z6 V0 \) M - }
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: q7 A( K, J3 h( n' Q$ W- static int writeparam(unsigned char *mac, unsigned char *stbid)
s' q. Q9 ] B- ? - {
: I7 Q" G' v* y) {! Q9 B - int fd, ret;
+ a1 E4 C8 q6 h$ u - e2prom_s_cmd arg;
+ z! J# O$ Q9 j5 r - unsigned char buf[0x18];* o+ u/ j# h' A# _# `' X
- / D3 |7 I" H+ a5 R% D; E
- memcpy(buf, mac, 6);$ h1 H" X, j2 d- Q
- memcpy(&buf[6], stbid, 18);5 q4 r' @; a4 `* c. m, g2 m7 `' {
- fd = open(E2PROM_DEVICE, O_RDWR);
& f$ a5 T, j1 y' {7 ?/ x) ~5 X - if (fd < 0) {
$ ~6 b. K" G5 j, E1 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
7 q- r) Z8 ]1 N! v6 q% p - return -1;# k2 c9 s4 N6 P) d# j& p4 ~7 g
- }
8 }; g5 l. x" d: d1 O+ g - arg.sub_addr_count = 2;& z) M' r l* J+ j* h/ D7 p
- arg.data_count = 0x18;* W# e* |7 |6 W% d+ P" {$ g6 m
- arg.e2prom_cmd_sub_addr = 0x290;1 S/ l+ J* R( r7 _) {
- arg.e2prom_cmd_data = buf;9 D; k1 X3 {- K- ^# ?
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 j2 a) O$ ~+ a! h7 `6 |
- if (ret != 0) {
6 M/ t$ y! P* a1 F - printf("Device %s write error.\n", E2PROM_DEVICE);# L8 G/ v: T9 o7 \( ?2 {+ f
- return -1;
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$ N1 y' K/ q5 k! b- return 0;2 K/ U" ?8 ^) l! ^+ x9 W; k2 b
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- int main()$ Z! Z; r$ o" D# x0 H# G
- {7 V( r0 M) \( }$ f$ O
- char c;
z$ ?$ ^4 }# E. N+ q% ` - int i, macs[6];
! e8 K, M5 i- ?- `" W$ k7 L - unsigned char mac[6];' F5 b: ~/ p& p0 C( c
- unsigned char stbid[256];
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) l/ Y. t: _! w6 y X- w" i7 B5 M- if (readparam(mac, stbid) < 0)
* w6 b+ V& B7 P. Z - return 1;" x. F, j! ?' j
- # D! ~ `1 D5 g! B, N& p. x$ K
- printf("Current parameters: \n");3 x# J( P2 o/ b" j+ E; f8 w
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& X3 J6 y3 w) l+ w7 ] - printf(" STBID: %s\n", stbid);. I6 _2 J% n. J6 e
- 5 c: v+ C! ?- w
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) x" X# G3 z; ^6 S/ |' e& l6 b" } - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ S+ e- Q2 p0 W4 u% t - printf("Input MAC error\n");5 I5 |$ }2 L2 s* c! p+ O! l
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];7 Z! ]% L$ {, ]8 I' k8 \
- printf("\nPlease input new STBID: ");8 J) D6 ~0 X; M( n' R8 C5 ?: ^. f
- scanf("%s", stbid);
& F; ^1 N% P& ^, q& A - if (strlen(stbid) != 18) {
0 ~% P- ]# W1 | - printf("Invalid stbid\n");$ x# o, U0 c, j, y4 O- I& s
- return 1;
3 r/ e; k) f8 ]" L& i* x - }
: {6 h4 d1 Q" E4 L) u - printf("\nNew parameters: \n");1 O$ t6 ]+ { J4 y" `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 k# ~2 _5 A7 ^, l2 y - printf(" STBID: %s\n", stbid);
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% c, A5 J! v" F. D- printf("\nDo you want to change paramemters? (y/N) ");
5 H9 @; ^. w: E% \- j8 k - for (;;) {' Q7 G) j1 x+ l( i' Q. ]
- c = getchar();
5 {) E. r9 s. k4 ?, p2 _! R2 `7 z - if (c == 'y' || c == 'Y')
8 t% b+ y9 A/ b5 P R - break;
3 }# N9 h X2 i$ Q/ ` - if (c == 'n' || c == 'N') {
& A5 t# n, Y6 i9 D0 q3 j - printf("\nAborted.\n");+ m4 Q- t7 B$ b0 j/ Y% A* Z
- return 1;' |9 i2 |1 P# y2 G( t2 ~$ r1 n
- }
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- if (writeparam(mac, stbid) == 0) * ]0 A$ S, x( y4 o, j: E- i, l# y' C
- printf("Parameters changed.\n");2 L0 F# x% X( w3 \4 q" c
- 2 U3 X! o, ?- g# K3 e( d
- return 0;
. }9 B9 a8 _) i8 X4 h1 j1 h - }
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