本帖最后由 0522 于 2012-3-21 23:04 编辑 2 o* ~( r( W' {, r1 q/ k: u
7 F2 @( y! x. u. C( Z% h9 A) i修改的代码早有了。到今天不会编译。1 n4 r0 z# ]! s% x' q) L
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& @! v- c* C8 b9 D - #include <malloc.h>
3 h8 E+ h2 H3 F) i' Z4 ? - #include <sys/types.h>
5 n: V G( V! @: g. ]& C! E& B - #include <sys/stat.h>) w* n9 Y. A& Y, N
- #include <sys/ioctl.h>, O; G* S+ `! t( r
- #include <stdio.h>6 X; a7 U' e! ?5 h" W8 P$ W# Q$ r: I
- #include <string.h>
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5 ~) O4 N* F$ T! `" s) D1 C- typedef struct {
& k& P3 B: @6 h" J8 p* Z2 v - unsigned int e2prom_cmd_sub_addr; u, `: n `4 }
- unsigned int sub_addr_count;% R2 X q) L9 I4 z
- unsigned char* e2prom_cmd_data;
) K" {3 C9 s {) d8 }7 L - unsigned int data_count;% n8 {- E2 M. h( i
- } e2prom_s_cmd;' w* n9 r9 }! Q( D, |; Q1 r# P" o5 a
1 D4 i6 ]- p6 E# o/ S- T3 L6 A: c- #define E2PROM_CMD_READ 11 ^& ]! H$ w( w3 L- c8 B
- #define E2PROM_CMD_WRITE 2: N9 u1 ?( v' ]/ c6 z6 t0 L. I4 }
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 R, c7 i; O3 M0 S* e K
- 9 G4 z1 ^" }" X/ V7 B" _ i
- static int readparam(unsigned char *mac, unsigned char *stbid)9 V& H. ~, i4 N6 a: r% j
- {
5 I t* H: ?+ ]3 \' ^; f3 O - int fd, ret;
- j" N: u z- d7 w: G5 K# P - e2prom_s_cmd arg;! f I! ~/ ?. [; G- U( Y! L
- unsigned char buf[0x18];
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$ y T/ R, p0 h- fd = open(E2PROM_DEVICE, O_RDWR);
8 Z/ e X7 x! O) u7 H/ M - if (fd < 0) {
+ n' Y: H# L9 y/ s - printf("Device %s open error.\n", E2PROM_DEVICE);
3 Y$ b8 h8 b7 a* x) F6 b - return -1;
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- arg.sub_addr_count = 2;
7 q3 r3 K$ x4 S, U+ h - arg.data_count = 0x18;! j8 E5 D* M/ _. v( F* B3 u
- arg.e2prom_cmd_sub_addr = 0x290;8 Q5 H' j2 W) U3 O
- arg.e2prom_cmd_data = buf;$ n' \) H+ I! m" t% P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);; T/ b* u( i( O0 e
- if (ret != 0) {& I+ q: y& F( w' }
- printf("Device %s read error.\n", E2PROM_DEVICE);
! H# j, Y: q$ A( w7 v8 {2 O - return -1;
5 @0 j3 r% u. \ - }
% C$ h, m. }" z1 @9 p - memcpy(mac, buf, 6);
+ N# }8 Z3 `9 G @! I; ]7 H1 A - memcpy(stbid, &buf[6], 18);
1 h+ S/ T. x/ l) d8 O - stbid[18] = '\0';
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u3 f/ X4 q: F5 \! G& I3 w- return 0;
) ~% A3 q Q7 r ] - }
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* E u0 E. _' x( p% q& T- static int writeparam(unsigned char *mac, unsigned char *stbid)
# f4 m1 D$ T- H9 `, R ^ - {
' G5 I1 g" Y; D8 S. X! E- N. R - int fd, ret; x7 p. }6 k1 L( Z, _% c
- e2prom_s_cmd arg;9 T B; t! M" x4 R
- unsigned char buf[0x18];( K7 {) I7 K- [+ Z* P0 S4 J4 L) h8 C9 l' D
- / t' q( Z* l* |" V4 |" ]
- memcpy(buf, mac, 6);: n5 h) v0 d! O
- memcpy(&buf[6], stbid, 18);5 j- C5 J H* O* p: j, w6 T/ Y3 J
- fd = open(E2PROM_DEVICE, O_RDWR);
/ _6 a8 d6 V& P - if (fd < 0) {+ o3 z" [$ ]! _+ ]/ I0 P& X
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 d. ^, I1 ]# O" l( i6 ] - return -1;- I5 \1 P2 J/ n! v! B6 k
- }
- K1 k& e7 v8 y5 y. x$ v# Z7 C - arg.sub_addr_count = 2;
9 H( J: ]% g* K4 v0 ^0 Y - arg.data_count = 0x18;% ?" W9 y: s3 l7 @
- arg.e2prom_cmd_sub_addr = 0x290;* K3 i: x7 K& z) e( H6 l
- arg.e2prom_cmd_data = buf;" |, L' l1 ?+ m. K% v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 j9 Z/ {2 _/ B! O1 v0 a$ b - if (ret != 0) {
# F! y* ?# Z. c+ b3 c2 C - printf("Device %s write error.\n", E2PROM_DEVICE);
0 a4 i1 l+ I, q# s; r - return -1;) S4 Q1 H# y2 d( \4 h
- }
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) B. u; O( M3 u8 a3 U C/ P- return 0;2 p. Z( K' o) \9 I
- }
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- int main()$ M: y% s8 q5 p. j
- {
) u. X0 i; r$ T, _3 N4 p5 z - char c;1 u% h8 ?/ }- `$ F6 ]
- int i, macs[6];
5 {2 G' A0 r% n2 A0 e* y n2 H+ e7 ? - unsigned char mac[6];/ c9 j/ } n, o* Q+ o* r2 z- d3 M
- unsigned char stbid[256];# [, ^3 e' i$ x
- B" L/ I( ]( K. r& Z. X- if (readparam(mac, stbid) < 0)2 B ?5 b2 l. G M" K
- return 1;/ w5 Y; n6 c' _
- + j: Q" ]0 C" k/ K! D7 |
- printf("Current parameters: \n");
$ |; t, e* B) |1 U8 b9 H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, p# L) G( r" [$ X1 r& X
- printf(" STBID: %s\n", stbid);, q3 b" f' f1 q& o' S
- & Z# B: m5 t# w3 ?# `4 q
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
- f: x$ [- v& i# Y# Q% U! L3 A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 Z, _( F6 P2 l7 K* E. T - printf("Input MAC error\n");7 N7 {: X$ Z7 B+ N& B- u' C1 _
- return 1;! R+ g* y/ Z9 ]; }2 a2 i- R1 I
- }
! M# z# \! y! o) m - for (i=0; i<6; i++)mac[i] = macs[i];
0 E; x6 N7 J3 I9 z: S - printf("\nPlease input new STBID: ");, h# `7 u/ F2 t r
- scanf("%s", stbid);% r' g$ ?7 V7 V v5 A6 E n
- if (strlen(stbid) != 18) {
2 X& {" E5 _: [& v0 E" L - printf("Invalid stbid\n");
* J& J% S4 r8 y - return 1;' Q. E7 P7 x, t
- }
7 w, o- M1 `! `. W, x% b8 j% @! b' F - printf("\nNew parameters: \n");0 w0 r6 H, ]# _! m1 W. Z8 }! p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ {1 a8 t: N2 G, A/ X; H
- printf(" STBID: %s\n", stbid);
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! s6 `; v6 _) e: y6 r% _- printf("\nDo you want to change paramemters? (y/N) ");
9 ?3 F7 n# ^6 n D/ h" z - for (;;) {) R# U5 n! [+ O) p9 G ^
- c = getchar();
! R& n; L4 X I - if (c == 'y' || c == 'Y')! Y4 m& b" x+ I* z& N; i
- break;
0 [* d3 g) P: M - if (c == 'n' || c == 'N') {
) G& z: D3 k) k& I - printf("\nAborted.\n");- e& p2 l2 R* ?4 }; j1 a
- return 1;& [7 p4 x7 c/ d8 n4 a
- }
+ B0 A3 N7 I5 Z0 b0 ~ - }
1 T% y2 y$ @0 b2 [0 i: v! H - if (writeparam(mac, stbid) == 0) i# A+ E* l4 V: }, W
- printf("Parameters changed.\n");
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- return 0;
- f1 F5 s$ P9 r1 X - }
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