本帖最后由 0522 于 2012-3-21 23:04 编辑
% i( d. t7 u3 x$ g$ v
. J9 {$ L; v3 f9 a0 `修改的代码早有了。到今天不会编译。
1 N- R( c! e& h/ K需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 y1 y; a+ F6 ^/ D7 b
- #include <malloc.h>( M# ~* K- L# ~" B
- #include <sys/types.h>
( F3 p% l5 @+ {: o4 Z7 `/ n% Y - #include <sys/stat.h>
! h# j+ O: S8 @ ` - #include <sys/ioctl.h>% j. F' s# w4 l
- #include <stdio.h>$ m3 J& X& X3 z/ R
- #include <string.h>
" w% s3 e- B' F" Z+ } O: l - 1 V" Y; a- p/ O3 O3 f
- typedef struct {
" ^! z& Q& y# C6 Q1 V. }1 R - unsigned int e2prom_cmd_sub_addr;# e+ P/ C/ u& z9 ]' R" B
- unsigned int sub_addr_count;
8 l8 x8 A& ~. @9 w$ t; A8 G5 d - unsigned char* e2prom_cmd_data;
- Y: X! H5 f+ L% u - unsigned int data_count;$ ]5 E2 r) S) Z; q3 p
- } e2prom_s_cmd;
* J: d. j4 R4 @. ] - ) T$ ~- J0 B7 B( y# y
- #define E2PROM_CMD_READ 10 ~, R! l7 z! V6 U( t
- #define E2PROM_CMD_WRITE 21 Q" R- `6 r8 I( J
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; G* P5 v; s% a! _2 {# y
* N. m7 N" K/ w7 i) N5 C+ ~' z1 ~- static int readparam(unsigned char *mac, unsigned char *stbid)
3 z* l! B* C; F. t5 E1 L - {
5 ~. U) g2 X& m7 x! w! G: X# v - int fd, ret;
$ C, ^* Q2 a+ V2 F- d, O. w - e2prom_s_cmd arg;
; P& l5 [$ n+ L - unsigned char buf[0x18];7 [3 B" [$ \# w0 ]% q# }
( L o, h J- \- fd = open(E2PROM_DEVICE, O_RDWR);
7 E7 M+ c* K. ~9 |# i - if (fd < 0) {
4 w' l1 K' G/ w) Y+ q) A6 E - printf("Device %s open error.\n", E2PROM_DEVICE);
. A. M r+ h, H9 H8 R, G$ J5 C( D - return -1;9 L% ] t' H7 p% I; o& k0 n
- }
/ {" g/ n! l) E2 Q, W - arg.sub_addr_count = 2;; g% Y" W) Z0 [ X
- arg.data_count = 0x18;. L$ C4 G4 a$ s
- arg.e2prom_cmd_sub_addr = 0x290;# T! u" u: T0 w, A
- arg.e2prom_cmd_data = buf;
6 \# }6 z* X- @# h$ l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);5 E+ t( F5 [9 b/ X2 e+ k
- if (ret != 0) {
: ]" V; }9 H7 a6 |$ Y& N - printf("Device %s read error.\n", E2PROM_DEVICE);
, @7 a! _, }6 [/ |' V - return -1;! [+ o! `0 [4 h( e- ~, t) `% p
- }
3 E% |% f9 g6 x" h - memcpy(mac, buf, 6);
7 w0 `# ]+ z, t! v - memcpy(stbid, &buf[6], 18);, a1 W' R( M, i2 ~! I# o
- stbid[18] = '\0';
1 F( n, N# Y% s2 a% E9 H+ k4 C
, E. Y! ]7 l! q8 e+ ^# D0 t- return 0;
5 a! k# ^& E0 S7 V) P A - }
4 x4 }# ?/ Y7 Z/ [
# c! R3 ^5 D" S! E8 T R$ g8 w- static int writeparam(unsigned char *mac, unsigned char *stbid)% ^9 q f7 U" U- P
- {9 e- _3 k2 m+ k
- int fd, ret;
; k+ {% ?1 Q, p- m* F: z - e2prom_s_cmd arg;: u: M* b& H5 G7 k1 U5 V C+ q. e& Z4 ^8 ^
- unsigned char buf[0x18];0 o/ I( y$ W2 J/ ]: N
# X& x, T6 q @: R8 r0 N2 m- memcpy(buf, mac, 6);* j" ~: l/ a" G! t( U9 Q
- memcpy(&buf[6], stbid, 18);. _4 \5 `9 @9 `0 q! F/ t
- fd = open(E2PROM_DEVICE, O_RDWR);: n; S' x: c5 n
- if (fd < 0) {
; ]7 o# y/ ?2 K' q6 j/ s - printf("Device %s open error.\n", E2PROM_DEVICE);
$ k' R/ D; u. n$ R$ I/ P' n" t$ I - return -1;# f' O1 V6 ?- {% d, {1 B
- }
, O! c2 U( K9 w - arg.sub_addr_count = 2;+ Y. O7 N. X9 i6 Q4 ^- {% t% F
- arg.data_count = 0x18;
% U. _$ T% p& d - arg.e2prom_cmd_sub_addr = 0x290;! u9 u5 H& B9 u8 s, r/ R9 ]6 `1 B
- arg.e2prom_cmd_data = buf;
; O! l7 `9 S0 @/ ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ \! x R7 v3 ]9 ~: F
- if (ret != 0) {
" B9 L- Z! v. _; O7 g- p; \8 i+ m - printf("Device %s write error.\n", E2PROM_DEVICE);
: N3 E! q+ Y1 h! m5 r; Q/ u - return -1;+ E4 A9 [1 D3 O# i7 N2 H5 b. Z
- }" Y: [) J* H/ e X
) O2 o _: Z U: e7 H6 q6 _! a" F! M- return 0;' ~* m( }5 [ |5 {1 S8 |
- }$ R* U1 [: W. |0 o" C g( Y& N
- , U2 e. a4 L7 w% m
- int main(). o; p- [ q" C; T
- {
( C5 K) q" i) Z - char c;
1 z% Q3 V, U% C8 R - int i, macs[6];
- E9 o6 W ^. n3 w, L J - unsigned char mac[6];% C0 X& U+ D) t) y, b, T
- unsigned char stbid[256];
- v( V. `7 q2 t
1 k- r' O0 R8 r8 `4 L* w) w6 i' i- if (readparam(mac, stbid) < 0)1 c& G4 T+ I* k$ d q/ G
- return 1;
. f: B K+ F" O5 b( l- `! Q - 1 A$ Q `2 y" K$ R
- printf("Current parameters: \n");5 p: b( ^2 }( t1 V! Y3 h/ f4 }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 C. Z6 [& W |2 C% K - printf(" STBID: %s\n", stbid);
+ ~# G( _0 g2 e) k5 ?+ } -
9 I5 ~+ K# b+ X, }+ k6 ^- X - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
$ o$ Z% F, q: B - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ J' z% ~+ w6 i/ V - printf("Input MAC error\n");% c; ^/ Q# d6 n3 ]6 T7 H
- return 1;
% r. c; l$ s' ~9 K; X6 g9 V - }& V" Z* n8 X' \0 Q
- for (i=0; i<6; i++)mac[i] = macs[i];* ^5 X; `0 G) G7 k
- printf("\nPlease input new STBID: ");
0 P$ x |& U! |% ?2 a& U7 _1 Z- l# T - scanf("%s", stbid);
& m3 m3 {1 a; n5 ]! d$ d - if (strlen(stbid) != 18) {
" S& O( R. O$ l9 y. b4 G: Z - printf("Invalid stbid\n");, @: z. h7 q* t$ b& W/ t
- return 1;- [3 x! N8 h" c P' R$ O& F, a
- }
- _7 o- {. G# G5 x' C4 `. e - printf("\nNew parameters: \n");8 e3 ~+ X$ Q) |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. w {5 V d0 n) A
- printf(" STBID: %s\n", stbid);
/ U1 O6 a8 Y4 X A
9 W5 |* O7 b- k5 ~3 ~6 j' Y0 `) V- printf("\nDo you want to change paramemters? (y/N) ");: B8 S% w* X3 I9 t% l3 y; X t6 a
- for (;;) {
. P& o0 |) E5 \ - c = getchar();
6 I' r% F/ j9 s. X9 @. I4 p0 u( v - if (c == 'y' || c == 'Y')
% y ?$ c$ D8 q/ E( q0 c - break;
. u' E' q }: N& A+ E1 {, r! o - if (c == 'n' || c == 'N') {
+ k# M; F! I% m- h5 }% Q3 Y. x - printf("\nAborted.\n");, ~( O# U* v2 r
- return 1;: A2 I# B% G( L, A$ t) r+ i
- }
+ N2 q8 }9 h2 Z1 j - }) H2 m5 X- R. f0 O ?6 p
- if (writeparam(mac, stbid) == 0)
+ w; n$ `. {: e* b4 l - printf("Parameters changed.\n");6 W' u# T m/ J/ w: K
- 2 T" Z0 {+ ?3 U; W4 j' @
- return 0;
* U* j7 E1 |! `. u0 U9 b - }
复制代码 |