本帖最后由 0522 于 2012-3-21 23:04 编辑 1 m5 M) U* V U' g; q# N) c
3 f$ O& |8 Z, T8 I( C修改的代码早有了。到今天不会编译。0 j( E& a2 Y5 r% y2 H9 M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 _( D* A: [; g T4 p* t - #include <malloc.h>8 r7 X! f0 N% {) W1 P
- #include <sys/types.h>
/ b! s! t# s! b1 X# K, ]5 n - #include <sys/stat.h>2 T- n4 \: p: C5 A/ }
- #include <sys/ioctl.h>
3 U3 y4 i7 j3 F5 I, A# | - #include <stdio.h>& q1 N2 l2 L! }
- #include <string.h>* Z$ _+ \( o) d% s( d& c
- . k) t- d, h9 ~ d, _& T
- typedef struct {
6 | o' j3 {2 n& J - unsigned int e2prom_cmd_sub_addr;
/ w( K. o c2 Q+ @4 _1 I8 R( t8 I3 j - unsigned int sub_addr_count;
2 o% W8 _5 I6 _: Z: a1 }7 j - unsigned char* e2prom_cmd_data;
$ k& [. D! [) b5 {8 |2 j( u* Z! \ - unsigned int data_count;
6 b5 ]1 s, Q2 J - } e2prom_s_cmd;( k3 F0 K% S. K( j. j% i2 ^( B* p
; m2 c) T* u! |9 @- #define E2PROM_CMD_READ 1( X* ?# Z3 @: w6 R6 d+ O
- #define E2PROM_CMD_WRITE 2$ c& q- y% w! h/ E) @2 F
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)5 _& T" n% Y: O2 C. a1 n$ _+ i
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- int fd, ret;4 |9 }0 V1 D# n1 x D
- e2prom_s_cmd arg;
+ B7 w i3 U) ?& I/ H - unsigned char buf[0x18];
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4 z2 f9 u# z0 [' Q- fd = open(E2PROM_DEVICE, O_RDWR);8 |0 J2 m4 Q' }6 R3 H
- if (fd < 0) {2 D* k; {1 |7 R. s |4 O
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 X& `7 g& j/ w5 ]# q - return -1;
3 O9 ^- v: `$ `# Y" ^9 z - }
6 Y G# Z0 Y" c2 ~7 r, U" z; ?. C - arg.sub_addr_count = 2;3 \2 K0 j) w/ D: t6 s, w! x, A* w
- arg.data_count = 0x18;
% q* [' h- u: K( k4 V2 |) ^ - arg.e2prom_cmd_sub_addr = 0x290;& v. t$ F8 N! h( l- m1 f. i% }
- arg.e2prom_cmd_data = buf;- y% M" Z" z" ?8 l/ x
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* ^8 c; z0 K6 `/ y- k' l2 B - if (ret != 0) {
; i5 O# C* h& H u; w+ M' e - printf("Device %s read error.\n", E2PROM_DEVICE);
- r% y$ j- V n) Y; ?, r3 `! h - return -1;
+ a. u- n8 |4 ~7 B; r8 y, A - }1 Y) \$ q5 T: q1 O3 Y4 Q
- memcpy(mac, buf, 6);
M7 {) a _* a4 y - memcpy(stbid, &buf[6], 18);
" d9 R9 {! ]2 P - stbid[18] = '\0';
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- return 0;
$ Z. b6 |/ b" Z5 t/ V7 y - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)* I& G- x6 `8 n' K6 i" Y" \
- {
- a' x; ?6 ^. ^# U2 \" p - int fd, ret;: S5 W, Z0 ]/ B7 ~
- e2prom_s_cmd arg;8 z( c- C; P6 W7 L
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);; d- t5 p* Y5 n$ S) Q# U2 u1 m
- memcpy(&buf[6], stbid, 18);
$ \- \. `) d6 b! u - fd = open(E2PROM_DEVICE, O_RDWR);
2 q. O& r; w! p4 S0 v( c - if (fd < 0) {
( x( J0 N$ X( o3 j - printf("Device %s open error.\n", E2PROM_DEVICE);
, E/ e1 o" C& ?3 \' i- S3 X - return -1;3 R2 y( w4 l3 ]! F
- }) P- M, D$ v( x
- arg.sub_addr_count = 2;' f( x4 d! \$ T0 j
- arg.data_count = 0x18;
h, |7 A8 t7 ~ - arg.e2prom_cmd_sub_addr = 0x290;
- D& ]0 V! @/ j0 ` - arg.e2prom_cmd_data = buf;2 ^ u+ c: C) H3 c, O
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" D U3 G0 f0 r
- if (ret != 0) {
4 R$ j: _& g- w+ _ - printf("Device %s write error.\n", E2PROM_DEVICE);) M6 q, F8 l6 A" `. o
- return -1;
+ ~+ t0 b7 u9 o4 r - }
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- return 0;
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- ' b! i% Z% U* i% u# w0 e& Z' C& U, [
- int main()7 r; r4 K. C' C5 H
- {
- c) l6 f; ` ?/ d, b! b* w6 @) } - char c;" V5 v# g% i5 ^& o4 E4 `, j! `; f& J
- int i, macs[6];) v- Z W& h _2 @
- unsigned char mac[6];
) @& s! }* L6 `5 z% f5 n* G9 L - unsigned char stbid[256];1 |$ [8 l- ?8 s* g n1 B' W
+ z* P! l# t2 }) z$ K+ h- if (readparam(mac, stbid) < 0)9 x. E/ }$ b- _6 H
- return 1;2 w% \3 E5 b9 Y) S+ X0 u
4 W$ o$ Z3 n2 M+ J- printf("Current parameters: \n");, ]3 ~- @9 S7 e- W. h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! {# D) B0 V/ m! \- |
- printf(" STBID: %s\n", stbid);1 A* T' W. [& o& ?9 n# x- E
-
) M- {* z2 d. v$ W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' B- m6 z( B- i0 H4 x* o - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 v" Y2 B0 q, z- T% T
- printf("Input MAC error\n");
4 C3 S+ _1 y0 U% x/ O+ c - return 1;
2 _- p! Y& w2 Y& M' n - }
! o/ y% d- i; U [ - for (i=0; i<6; i++)mac[i] = macs[i];& }* B: t8 _2 N- v ?3 J, R
- printf("\nPlease input new STBID: ");, a# I( _) l" @
- scanf("%s", stbid);4 P' }2 }6 ~" s# W
- if (strlen(stbid) != 18) {
/ z! A0 K4 U1 B3 a) j b - printf("Invalid stbid\n");
: a+ B4 {7 X/ I6 o. k1 N/ c - return 1;% @2 ^, C1 w1 W, N1 G5 [
- }
0 c0 \) g3 h# `! _9 @, x; S7 ?; ^' N' ^ - printf("\nNew parameters: \n");4 m5 N. L6 {2 w5 `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# v' r; d' A. g8 E - printf(" STBID: %s\n", stbid);
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* E* T! R4 s& @/ ]1 @1 J' n- printf("\nDo you want to change paramemters? (y/N) ");6 Z5 n0 g- D+ y! i$ X- Q
- for (;;) {9 q9 j# R; f9 ^
- c = getchar();& R' _+ Q, [3 g. n( K& s5 t* ?4 X- F
- if (c == 'y' || c == 'Y')! S# o1 C1 i! u4 m
- break;4 ]7 P, n1 f4 [* |6 ~# T5 i
- if (c == 'n' || c == 'N') {
2 K9 ?& Y) n" } - printf("\nAborted.\n");
+ G2 C! p E2 R6 p9 g- S4 v0 b - return 1;
& e. l# q9 D! Z- ~; y7 Q- I - }
9 n+ P+ g8 [$ B( v - }
' R6 N7 j( b, y1 N - if (writeparam(mac, stbid) == 0) 0 P. F5 t/ w5 L" v6 e( R7 j- d
- printf("Parameters changed.\n");) b& x( g1 L7 a; n: j6 n
+ C$ l2 f$ Q$ v! ~7 a4 |: H- return 0;/ W4 m* C- t7 m$ b9 [4 L* v% ~
- }
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