本帖最后由 0522 于 2012-3-21 23:04 编辑
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" \6 U) A! }& C6 L2 O }修改的代码早有了。到今天不会编译。
$ [* w% o( l$ X" P6 F1 s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% A* V, y! m) `& h
- #include <malloc.h>
" ]) }/ {& ?6 s" }+ W; s - #include <sys/types.h>
" B4 c4 X( M* u# ` K k" g, i4 x - #include <sys/stat.h>
! J) N# t# W8 v+ c; r, ~ - #include <sys/ioctl.h>6 L% w" W1 c0 K6 b D& v4 Q
- #include <stdio.h>
5 I5 \/ u. J4 `- |: Q; _ - #include <string.h>
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- typedef struct {2 S6 S6 \' H" s1 X( c
- unsigned int e2prom_cmd_sub_addr;
# C& \7 {0 `1 t( n - unsigned int sub_addr_count;5 g9 x4 q2 P$ |
- unsigned char* e2prom_cmd_data;
& f. u/ s) Q7 c5 N; x1 z - unsigned int data_count;
0 Y+ r& j9 F) m0 N. L" p g - } e2prom_s_cmd;
9 L+ b- K6 F. ?4 o3 k7 ^ - 1 n; q4 J9 i& \; }3 [5 O8 c' \% `
- #define E2PROM_CMD_READ 1
" r; R/ q' ?9 U/ B! }5 F- v - #define E2PROM_CMD_WRITE 24 `' ^* {& V; D4 @2 C6 Z: B1 J3 \0 B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"; L. \# _; q! j
' E' p& v. o0 g# K- static int readparam(unsigned char *mac, unsigned char *stbid)
0 Z! p9 P3 O* M5 R/ K - {
; R0 u. S0 U! `0 W - int fd, ret;: T* _( \( ~ S$ t
- e2prom_s_cmd arg;
9 t5 C6 p% q) E, N/ b! t - unsigned char buf[0x18];. f9 P$ S% k5 c1 j# [ X) m. W
# M6 r! P. }1 d% T5 {8 w7 h. A+ s- fd = open(E2PROM_DEVICE, O_RDWR);
8 A, x! Q$ V6 `/ u: Y3 a I - if (fd < 0) {
$ k& P3 ~: W- c3 ^% t; t$ } - printf("Device %s open error.\n", E2PROM_DEVICE);' N* ~" Z3 u& P' \
- return -1;& S) Y& N9 r4 Z5 ]/ l8 ^. l. r
- }9 x1 o9 H5 P1 K! ]: ]
- arg.sub_addr_count = 2;
+ w- p' y8 m, J - arg.data_count = 0x18;" n' J1 f; i3 n5 B
- arg.e2prom_cmd_sub_addr = 0x290;
% h9 Y& {7 J/ l3 t R) J3 F1 O; t - arg.e2prom_cmd_data = buf;5 U7 v! y5 V% d* O
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% @; @9 K2 Z. k6 b - if (ret != 0) {! z2 M4 v$ z' Y
- printf("Device %s read error.\n", E2PROM_DEVICE);9 f7 ^. \: K% Z1 ~; X
- return -1;! ^# @2 u+ t+ [( e8 m; d( X
- }
0 t1 |+ v) p3 q; M - memcpy(mac, buf, 6);
) [3 K, L/ x# c; I) e - memcpy(stbid, &buf[6], 18);& }$ M8 N+ \& i5 R! W5 \) o
- stbid[18] = '\0';
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- return 0;
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$ g6 ~+ L& r+ ]. W- static int writeparam(unsigned char *mac, unsigned char *stbid)' l; S W) Y# w8 T& `
- {
# q/ r" F) h( ]4 V9 P5 q* b - int fd, ret;
, T7 ^. X) `3 ?* d - e2prom_s_cmd arg;
9 i5 T* r4 K4 v+ t - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);5 F( r4 [+ M$ [. l! V+ T2 ]
- memcpy(&buf[6], stbid, 18);
, a2 t8 [5 i) _+ p/ C% u2 [ - fd = open(E2PROM_DEVICE, O_RDWR);
& O2 n( x/ k- b" } - if (fd < 0) {
/ }$ m2 S9 \4 _2 X# d% J R - printf("Device %s open error.\n", E2PROM_DEVICE);
& P# A6 @, Q$ u L2 }8 {' z - return -1;9 j1 N# H1 m$ J4 G
- }6 J! g$ W* W7 s* R# u$ K
- arg.sub_addr_count = 2;
! o# K# H: E6 U2 f5 f# O, k - arg.data_count = 0x18;
3 N0 ]- F8 H2 [" n: g. B0 b, Q0 S - arg.e2prom_cmd_sub_addr = 0x290;
% \% r, D; p3 g5 e# w& y9 i - arg.e2prom_cmd_data = buf;
* Y4 @5 x- q6 J! c$ j5 Y$ p* ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ Y7 _& n4 b* N0 m1 F- q
- if (ret != 0) {
6 y2 Z( W8 S7 [/ Y - printf("Device %s write error.\n", E2PROM_DEVICE);
: ]( A/ h9 `! f2 i$ ?3 I! u - return -1;' | N# C) ?/ ~8 O5 I
- }
& } k L) `( z1 a# q# L/ D
3 K! X8 z* _4 G3 V" |, @- return 0;- J) c, t/ v7 b. r7 \
- }/ w9 z4 V5 ?; i; n) Z- F$ u
- ; i4 s* |. J' a) g# q
- int main()
8 q! b( J& f/ K' `+ [ - {
- c8 z2 h! e* d+ r$ c. V - char c;
- W/ ?6 N8 K" m k3 r - int i, macs[6];
0 s o3 c) ]3 x$ X' X - unsigned char mac[6];, a6 g `) ` U! l4 q. P) d
- unsigned char stbid[256]; k7 z; b* B8 Y% O* H' I- v* H
* \1 |' o; v( z) V6 Y0 E- if (readparam(mac, stbid) < 0)
4 f7 [0 ]: V2 n$ c$ A% E: m! W - return 1;
0 h& x. h! X" _1 ]; {
* l# L8 C2 O5 y: m8 U( X8 l2 I5 X- printf("Current parameters: \n");
/ Y) t) G2 a4 ?! f+ E$ x, H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' V/ Q. T* z3 o: f
- printf(" STBID: %s\n", stbid);
& G- R& F% ^# W3 K7 a! ~ - . v! S0 H/ `5 i" _
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 @: [* Q9 {* Y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 _8 b# h- P2 j0 \" g7 P
- printf("Input MAC error\n");
1 e9 ]' Q9 X* }$ N/ s( V3 u0 o3 { - return 1;" [ m0 d' v4 O5 K& W& B
- }8 j) _" ?* A4 Z, c% o
- for (i=0; i<6; i++)mac[i] = macs[i];
5 f4 [2 n" W* n9 D8 D6 W- n - printf("\nPlease input new STBID: ");
4 Z) N" r r; m/ b& V$ s - scanf("%s", stbid);
% u! y& |1 `4 h4 l0 j" L - if (strlen(stbid) != 18) {
6 [( H6 e9 W& A7 _# R; F) T2 }5 } - printf("Invalid stbid\n");6 E: L D) C! z4 e& p( M3 e
- return 1;
" E4 t n! f, |1 v, `! y - }
/ U8 v8 d9 k& z6 G8 S" s' Y) Q! } - printf("\nNew parameters: \n");
1 d' d2 h) ^5 r4 J6 r# B X' w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* v1 z" a7 _3 @' x# M
- printf(" STBID: %s\n", stbid);
3 V/ J* v' `; B$ }/ b3 k
! ]5 e8 S5 |6 o2 W9 q0 H v- printf("\nDo you want to change paramemters? (y/N) ");
. Z2 y$ W& T" Y( l: ~5 `3 ~ - for (;;) {
. i6 x4 C' H: H4 D5 e* [ - c = getchar();7 z8 |( l$ k% ^7 Y0 j+ w. Z$ C
- if (c == 'y' || c == 'Y'). H4 q J# G1 g; t
- break;
* K' c- N* ]/ w& T6 W - if (c == 'n' || c == 'N') {5 r8 w& a2 }( \4 I) l
- printf("\nAborted.\n");' x# @* R. Y% ] L/ G1 Y
- return 1;
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- }
0 I* Y: N2 ]+ o; S3 ^' M, \ - if (writeparam(mac, stbid) == 0)
* ^9 p. ]: p! I* ]- F4 Y D) a, p - printf("Parameters changed.\n");$ |9 ?1 c. T8 q' i' ~" e
- % N8 G/ @: j4 F2 V( y0 R9 O1 v! O3 C# X( m, e
- return 0;; m) l3 _0 c. P9 ?5 Y6 s
- }
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