本帖最后由 0522 于 2012-3-21 23:04 编辑 6 G2 E! C- P+ X& m5 z: W/ }( D
( x) ?4 ^0 y* H- M& `' { f$ H
修改的代码早有了。到今天不会编译。
1 B4 r+ z+ q0 A( v9 s% S* m& k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
L1 w' i5 j# G0 n( L( X - #include <malloc.h>
* I- g) e8 L9 ?7 p. t - #include <sys/types.h>1 y" j9 Y3 B9 }$ J4 q5 Q* Y1 s
- #include <sys/stat.h>3 ~3 [0 h" |: o1 v( g; y; |
- #include <sys/ioctl.h>7 s2 m- w/ x: C r3 N0 b2 ^
- #include <stdio.h>5 X- [% B3 n/ w( D
- #include <string.h>
+ c$ \3 s+ Y5 h) j
! z+ w$ M; p! O6 S; e- typedef struct {2 I+ z$ f6 S9 M
- unsigned int e2prom_cmd_sub_addr;! \0 c: t+ m4 ^ _! R7 Z" f
- unsigned int sub_addr_count;
# g& P) ?, w7 Q f( w0 W - unsigned char* e2prom_cmd_data;
( D! D. \( U6 ?* `' }) x: i: K) n( F7 s - unsigned int data_count;
0 X5 n1 ?* m% D# n, G: @ - } e2prom_s_cmd;+ `/ Q% Y8 s- z! g
- ) q E/ f+ B1 B
- #define E2PROM_CMD_READ 1
8 J2 I& h% ~: o3 X - #define E2PROM_CMD_WRITE 2
6 e- a3 u5 Z c" i! l1 [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
3 w: r& A5 Y" _ - w0 P5 \+ h, S% F/ y) E
- static int readparam(unsigned char *mac, unsigned char *stbid)
* B$ f. f9 k( n - {" N0 x, V) p% h# @+ {
- int fd, ret;- w5 _0 P; _ V1 b% F' ?
- e2prom_s_cmd arg;" @9 k; J7 V7 D. l- [" s
- unsigned char buf[0x18];+ @; k$ b$ | `4 q
- ; ~1 M: A$ O) ~, }' p" |0 W
- fd = open(E2PROM_DEVICE, O_RDWR);, Q" \% H$ E& z7 W) v
- if (fd < 0) {
$ x' d/ r- [% S0 c - printf("Device %s open error.\n", E2PROM_DEVICE);4 d/ a' y, V2 O( l4 q' }% `
- return -1;
% w y6 [7 A' {( o0 X( m - }
) A0 O/ o0 o/ ~/ o { - arg.sub_addr_count = 2;, c; V8 F+ V" X
- arg.data_count = 0x18;' c3 J8 G8 I( [6 t0 p V1 M
- arg.e2prom_cmd_sub_addr = 0x290;0 w" R' F+ S6 ^3 j
- arg.e2prom_cmd_data = buf;$ g2 R1 E: v0 R- s8 ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
+ f Z0 Q- O: F# J' j/ h- L - if (ret != 0) {% y1 T4 U+ D6 h9 ]" {
- printf("Device %s read error.\n", E2PROM_DEVICE);
9 D' L# M. @2 \7 Q" L - return -1;4 l' `! z7 R: X p1 g, @
- } C2 Q3 O+ S, U' @4 C T$ {! @
- memcpy(mac, buf, 6); V; W R( u7 ^6 n3 x
- memcpy(stbid, &buf[6], 18);5 s" G/ g) l( O4 U' q
- stbid[18] = '\0';
2 N0 d8 \! U% W8 a - * r# ?5 z* B+ T c' C
- return 0;7 {/ B$ }+ a% R3 E+ r& Y9 H
- }
4 K1 ?! c- I: }9 F* z. n5 t3 { - % X0 s( \" u! Y; x( k$ x
- static int writeparam(unsigned char *mac, unsigned char *stbid)8 f! i' Y6 u) ]9 v- J) u
- {6 Z$ r2 g1 U. e" f
- int fd, ret;
7 [- a4 K4 N6 {5 c0 G: i3 X - e2prom_s_cmd arg;
; c+ s& r) o! F3 a% ^) x - unsigned char buf[0x18];
3 y* n% P% P0 k N- S0 w* n
1 b8 X, s* C A: w0 `+ u6 T- memcpy(buf, mac, 6);$ O5 m0 a$ f* t: {4 H
- memcpy(&buf[6], stbid, 18);# f: q7 l/ |. y5 Q: x* i4 F) ~ c+ I
- fd = open(E2PROM_DEVICE, O_RDWR);, j0 ^9 y: ?: R9 E
- if (fd < 0) {
. W& B L0 R/ `' Y! \* \# V7 N& g6 V - printf("Device %s open error.\n", E2PROM_DEVICE);
4 O4 d+ g0 ^, ?3 L- X: q - return -1;( V2 }2 N. y4 N
- }
& r, p1 l& ?/ {" [" Z4 [( I - arg.sub_addr_count = 2;+ ^% X, x! G7 Z
- arg.data_count = 0x18;3 [6 N( ?; J- N: ]# P4 o/ V$ @
- arg.e2prom_cmd_sub_addr = 0x290;. k, o0 Q- I& \0 @% `
- arg.e2prom_cmd_data = buf;) e& J7 P& O) S+ h9 x! I
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);; x0 K6 P+ d0 V" p. B
- if (ret != 0) {( H, R2 w! i8 s8 I6 @. {
- printf("Device %s write error.\n", E2PROM_DEVICE);
$ _8 X* r r! Y' v - return -1;' O: x% f3 Q- i) ]
- }4 N" t; Z ^$ x7 `( o2 [; d" M% G
- 7 ^8 ]/ I1 i9 ?. b* d- m" E: d
- return 0;. Q2 W4 T) ^4 T% R! }$ N4 p4 N/ f; {
- }
+ e' l6 D. m. z2 R$ [ - c2 U; o% b6 {
- int main()6 g1 Y5 ]0 t% }& ?
- {
: S6 ~. h; ^9 j - char c;2 A' c& M5 ^; e! T
- int i, macs[6];: A: Y1 D- [$ ^' m
- unsigned char mac[6];- Q1 }$ l S4 ?% q/ h
- unsigned char stbid[256];
1 |8 ~- M2 s$ Q7 x! W
9 B3 }& N# K* j3 P) h/ M" ^- if (readparam(mac, stbid) < 0)' E, S- l j* t, U" F% o( b
- return 1;
$ n# J( C/ h1 |) G$ I$ j& l% t - 7 \8 u ?* u5 P/ K* I+ b
- printf("Current parameters: \n");
% l$ E8 g3 l7 l9 O/ l- k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, u! c6 L2 p( `1 _" ~, W
- printf(" STBID: %s\n", stbid);& Q- l& g: X# v
- 1 w- W3 V4 W I
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); s4 E! G# _4 t4 t+ m) c
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 D( m9 \% N) U4 X: Z! } - printf("Input MAC error\n");
5 \2 L& N) E! y5 j; H! w! g# k - return 1;& u$ `' |0 {- m
- }7 @2 p: [0 z# c! `6 _8 l$ p
- for (i=0; i<6; i++)mac[i] = macs[i];
5 j! C( ^4 w/ s8 ], B: X8 G - printf("\nPlease input new STBID: ");& e& {7 J4 I: D
- scanf("%s", stbid);% q# i$ o7 {+ \- e2 N5 D/ }
- if (strlen(stbid) != 18) {; Z: P% H3 a# J/ @1 ~5 J
- printf("Invalid stbid\n");( Z. I- G+ j1 x! w5 N
- return 1;
' ?4 j m( S7 B' ]) r - }
+ x3 u6 V @7 R% h& Y - printf("\nNew parameters: \n");
) b/ ~+ A: Y! W0 Z) D7 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
W% k2 j0 O$ C: i" v; k" A - printf(" STBID: %s\n", stbid);3 t2 u( w+ z; z# m& v
- # P" b; M3 {. {% ^7 |
- printf("\nDo you want to change paramemters? (y/N) ");
9 f. B9 V! M4 E4 ]6 K0 D - for (;;) {
- y, W5 R7 k$ W) \6 [7 Q - c = getchar();
5 }8 s/ a" v+ R- |4 v4 b& T" Y - if (c == 'y' || c == 'Y')
5 r! V# K; b/ y3 D) R: l) t, y9 e6 t+ | - break;. Q6 L/ O( e9 U/ x
- if (c == 'n' || c == 'N') {
7 S8 z; K5 R0 V0 N( S0 L \" G - printf("\nAborted.\n");
' S5 C& n5 U* s2 N - return 1;
& Z3 D8 g/ C* C m- @! ` A - }
* H1 ~, z, E) \, q* g; P; z - }7 `9 `) n! J+ _$ n* \
- if (writeparam(mac, stbid) == 0) / i2 U C1 p3 z- E# S# A( H
- printf("Parameters changed.\n");
+ i, ` A1 v. V3 E6 J - 7 P7 W# _+ c2 h4 r
- return 0;$ w2 c* @$ X9 X5 ~0 ?6 j* F- M9 K
- }
复制代码 |