本帖最后由 0522 于 2012-3-21 23:04 编辑 - r) n/ y! K. Z: K. X8 s/ N, E
; A- G! Q C+ k$ o6 H9 |修改的代码早有了。到今天不会编译。
3 }0 e% L" ?1 O需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% B* r% L' l7 `% o" S" {
- #include <malloc.h>
. s* W0 [' I r, ]. P- b: z - #include <sys/types.h>+ i. N- i! b- O, x* n
- #include <sys/stat.h>
' B6 Z6 j# S. _; s4 Y - #include <sys/ioctl.h>
" @# W1 k) T. `2 r& |( D - #include <stdio.h>
. R, ~2 V6 M Z( i% ^( P. q( r - #include <string.h>
9 \* _2 m, d; A$ V$ f3 a) }7 [
; N' s: {, y! G9 F% a$ B$ u3 c- typedef struct {
4 D5 }1 q/ P2 P& _; O. c5 R5 v: F - unsigned int e2prom_cmd_sub_addr;
8 s; I4 Y) D+ Z# H; ^; Y) U - unsigned int sub_addr_count;$ _$ R( y( I9 X) ^3 [
- unsigned char* e2prom_cmd_data;3 t/ C0 Z4 v2 m: _# v$ v
- unsigned int data_count;
' X9 t( l* k* G- f' l' E0 O7 h6 F - } e2prom_s_cmd;% L% Q5 A4 F q5 b- K* U
) G2 S$ K- P6 g- #define E2PROM_CMD_READ 1
% a/ S% _4 z7 s7 S J' S( o, R9 z/ L - #define E2PROM_CMD_WRITE 2
; b" I* G. X8 p0 ~ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16" D2 L- r& Z# ?9 u
2 E0 d7 V& x% T; h- static int readparam(unsigned char *mac, unsigned char *stbid)
3 R/ A3 [$ a3 r" @" B - {8 h: U! g3 F5 r& G4 u7 H3 a, G
- int fd, ret;+ Y5 o; ?9 \( Z7 B% m2 ^. A
- e2prom_s_cmd arg;
1 P- { B7 G$ v7 T5 V - unsigned char buf[0x18];
- L) I1 z0 Y3 j# R% \
- d, {2 R* Z8 V7 p. k/ V- fd = open(E2PROM_DEVICE, O_RDWR);+ u% ~; H+ L5 H/ J1 z* g
- if (fd < 0) {
$ L2 _0 y' E7 k3 L- w - printf("Device %s open error.\n", E2PROM_DEVICE);
, ?- `- ^9 u& _* B$ Y* ^ Q - return -1;" w: U h7 z+ ^+ @+ D
- }0 ^ j8 o! l0 F6 u: i( ?0 x, `
- arg.sub_addr_count = 2;
# y* C! T4 S1 w. i - arg.data_count = 0x18;
+ M4 X2 u0 J. e8 O5 X8 W - arg.e2prom_cmd_sub_addr = 0x290;1 h/ n0 M+ |# O, A
- arg.e2prom_cmd_data = buf;" K9 A9 x' K$ R5 a0 F! v
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
w" C. g2 }6 k: _) a& A! g7 h - if (ret != 0) {
- m6 H( @4 K6 F/ r! m$ O - printf("Device %s read error.\n", E2PROM_DEVICE);
! ^- U2 e( r" s# m) r1 _ - return -1;4 R! g8 |' [3 z9 ~2 h5 z
- }
" ]% Z- ?5 S! T4 g; v - memcpy(mac, buf, 6);
m/ e6 z, J. J) X% S - memcpy(stbid, &buf[6], 18);
$ r z: P) {8 q- c+ I' U7 R8 f - stbid[18] = '\0';5 v) t7 m# I6 h5 ]& h: R
. S& I( y- a& x- return 0;
0 P% m/ O! C$ `+ @5 Y3 o+ ^ - }
' i3 q* D5 {7 l3 E4 {7 w; p9 Z( q7 A - . `% o. p: c! j2 _
- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 F0 n& H" i( G - {
% E7 @' J( ^6 Y9 D - int fd, ret;8 s" e! \3 w7 D/ d! G7 s! r" G
- e2prom_s_cmd arg;3 B. X1 {+ F+ C: p3 ^' t
- unsigned char buf[0x18];
" d. e& X8 @! x- R+ w - 0 t5 \4 S2 T& H1 _/ N4 t5 M7 j" ^+ x
- memcpy(buf, mac, 6);$ I0 R# b; R0 v6 j4 a+ H1 \
- memcpy(&buf[6], stbid, 18);1 S5 K" k' u( I% s- `$ |3 i0 S
- fd = open(E2PROM_DEVICE, O_RDWR);
8 N6 I; ^. T- t Y, n6 o1 i - if (fd < 0) {& o- Q+ N( H0 Q$ t" ^% V
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 ~! t1 c' d U& }! n - return -1;) S" w3 R% H4 W% p
- }
- V. Z. b: `. B8 C7 m; L+ o - arg.sub_addr_count = 2;+ x; f6 K+ I4 X0 f3 D3 {+ ?
- arg.data_count = 0x18;- x/ j J+ V) U! S# U9 n1 `* u8 R/ f5 \
- arg.e2prom_cmd_sub_addr = 0x290;
- e! R$ }/ q* n" @& s8 W+ o - arg.e2prom_cmd_data = buf;
$ L, T2 k& I* z- g7 P: ]- B3 v# U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, O5 E: `5 {0 z( r" Y% [
- if (ret != 0) {. S0 x$ H" S4 s
- printf("Device %s write error.\n", E2PROM_DEVICE);( e, |" L) W2 J, o4 F$ D' p6 z: ?% T1 t
- return -1;$ U( a% D. w v, e6 B
- }
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- return 0;
% l8 n( e9 Z# f: w |: t F& V) ? - }
' V3 [/ p8 _' g1 n% Q - - ^+ v+ z' k/ u) S% G1 t
- int main()- j( @5 ^: w4 C# L' c
- {7 C8 }' M( h: N* |, I& ?
- char c;
% a3 x! C4 P4 R5 j5 ` - int i, macs[6];# e* i3 f$ C) r3 `
- unsigned char mac[6];: E) P$ h0 b; {3 o
- unsigned char stbid[256];9 |# X/ u& J6 e/ [
4 h/ }" \) N9 z$ Y- if (readparam(mac, stbid) < 0)- T: |0 l( C. O
- return 1;
4 u6 f" f: ` p8 c; U5 G
' s. l/ h! ]. L5 P4 `- printf("Current parameters: \n");
2 Y# N" U( r) q$ ^1 F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ D0 P! P1 p2 s) P
- printf(" STBID: %s\n", stbid);7 M8 r" J& P# B
-
4 d% l& w' F5 ~, C+ S - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) P' z' m" W; | ~ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 C% _& ]/ J( R7 V% \, _& [ - printf("Input MAC error\n");
) X; G0 N$ f n) b& x9 Q0 E* V - return 1;
* E! @# }3 a3 M - }
" Z) H3 J/ r5 }& q. k4 r - for (i=0; i<6; i++)mac[i] = macs[i];& J1 f6 A% u E
- printf("\nPlease input new STBID: ");
' n$ c [% |* U - scanf("%s", stbid);7 ?8 }# Z% b( b. I* X1 q
- if (strlen(stbid) != 18) {
. b/ |, T, u' ^/ e3 O1 f5 ^& S - printf("Invalid stbid\n");3 b5 I% |, ?7 _8 v
- return 1;* F4 ~5 J5 c# w1 H
- }' E& m- n8 S# o5 O, L
- printf("\nNew parameters: \n");
( N. M( z$ q3 h6 k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 J! H C4 p6 Q' O7 p1 K0 |- h9 { - printf(" STBID: %s\n", stbid);
% W. O. a8 A# _) s% X, T7 m: w - 0 f2 T9 U; E2 ] k1 h0 I+ R
- printf("\nDo you want to change paramemters? (y/N) ");' v! Z! v( d7 |/ b8 }
- for (;;) {
: q: g2 G0 V) r% l- O& l - c = getchar();
3 g! }* P" W/ h2 q - if (c == 'y' || c == 'Y')" z5 \0 m& [1 q# t+ O
- break;
; |+ v9 r L; R0 n - if (c == 'n' || c == 'N') {" B& O* r s' p$ o
- printf("\nAborted.\n");
2 x; l% U! }1 u) x {& `7 G ] - return 1;
]$ ^" e+ C4 u, e9 E$ T5 L% L - }
. i- e/ V/ H- T. Q' N4 H% @$ [# a1 l - }
# @$ Y' u# L2 W" A ^1 ~* J1 Y - if (writeparam(mac, stbid) == 0) / M3 l6 b( r4 Y; l" e
- printf("Parameters changed.\n");
" q! D) |3 W5 A6 c: \) V$ [! \
% E5 D$ U# }/ w7 ^- return 0;
5 J: ?8 L, T6 G! ^ - }
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