本帖最后由 0522 于 2012-3-21 23:04 编辑 " Q& W. |' M' g( c. l% _2 z
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修改的代码早有了。到今天不会编译。0 N# W0 P0 ~, [: o8 K
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>1 k# _ R6 o: h- s
- #include <malloc.h>
5 U* I6 b1 |. I' `4 o$ J - #include <sys/types.h>
3 p, U; }( Z! T1 a: B - #include <sys/stat.h>4 ^* d4 T0 R6 F% p: m# z
- #include <sys/ioctl.h>8 L# F# E" h- y6 O8 K& O% r
- #include <stdio.h>
6 T6 _) x& j" W8 i - #include <string.h>
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- typedef struct {
6 J$ L/ r" N* n- ~) O - unsigned int e2prom_cmd_sub_addr;
' ?5 t9 N* t$ V9 X# H& v: \7 t - unsigned int sub_addr_count;4 s" p0 o, H2 l2 x, V8 W
- unsigned char* e2prom_cmd_data;4 A: A" w: p! |% ?
- unsigned int data_count;% a* A! b$ W9 ]) [
- } e2prom_s_cmd;/ r8 O- n0 q" d' |! f. ^& g* z) b( \% k
c+ F/ x/ ~1 V: {6 q& h% c- #define E2PROM_CMD_READ 1
: G2 O A9 j* y; Z- ]9 |9 f - #define E2PROM_CMD_WRITE 2
( s* g$ C) n' f% c% l$ Y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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$ `' |1 k1 N- \ Z- static int readparam(unsigned char *mac, unsigned char *stbid)+ e1 e& O2 ], g6 _! k; ^; {
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- int fd, ret;& L, n* E m2 O! L
- e2prom_s_cmd arg;
0 K( D! d- ~, ? ? h n - unsigned char buf[0x18];
! t4 }# j2 p/ J& I7 L1 {
6 A' u* q1 u0 q- fd = open(E2PROM_DEVICE, O_RDWR);' p# y3 W) l& i5 ~& R* i
- if (fd < 0) {" k3 j# M/ K, n5 Q/ n
- printf("Device %s open error.\n", E2PROM_DEVICE);2 y& ^/ k2 \7 r4 j5 H& G7 J
- return -1;
5 ^* h5 ~7 f5 X: u7 S - }
1 t8 |) K; V" A8 A, }1 c - arg.sub_addr_count = 2;
6 q- r1 y9 {. y' w# d - arg.data_count = 0x18;7 K) `- J" Z' W) V
- arg.e2prom_cmd_sub_addr = 0x290;
8 C8 e# h) q D7 A - arg.e2prom_cmd_data = buf;
3 b+ x1 n: Q6 \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 m" x5 h/ [8 w/ D - if (ret != 0) { _8 A. i' q6 b' Y: o
- printf("Device %s read error.\n", E2PROM_DEVICE);
: O' l; ^' Y; t8 S1 E) a - return -1;
) \& [# t0 t( d( B: \ - }
+ i4 g( q4 ~2 l; p - memcpy(mac, buf, 6);4 Z9 j* F# x: F5 Q( d4 z
- memcpy(stbid, &buf[6], 18);. X! e8 i: k" ^( ]5 T$ i: z
- stbid[18] = '\0';
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- return 0;+ E' V5 S. p( Y, Z
- }% X1 W* }9 f r6 s. C1 ?
- , g' v/ K1 E; F3 c h0 F) A4 _
- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 l1 z. Z# x) z& t - {) X4 A* R+ i. t0 [( i7 }
- int fd, ret;% K, ^9 T- F6 ]6 I
- e2prom_s_cmd arg;+ R5 M. l; m9 H
- unsigned char buf[0x18];: N; F* {" N7 t* |* _" J& Q4 E
1 G1 { {% ]. r9 j! W- |- memcpy(buf, mac, 6);5 b$ ?4 B0 N. Q. H. f, u; h. L6 h
- memcpy(&buf[6], stbid, 18);3 B: y$ W5 v2 p
- fd = open(E2PROM_DEVICE, O_RDWR);
7 X( N+ v' L" ~- O$ R% S - if (fd < 0) {! \* N/ b4 j9 H3 z
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ N& c# C9 Z U; p: P3 } - return -1;
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- arg.sub_addr_count = 2;0 f; \3 A9 e. R: x; g2 ~1 z
- arg.data_count = 0x18;
$ T) w/ d0 K/ w' t1 L' L5 `" G - arg.e2prom_cmd_sub_addr = 0x290;; |9 F* v1 n; F% N% Q& o& G
- arg.e2prom_cmd_data = buf;
: p6 M3 F1 R2 E: c - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 Y3 B3 S. z0 z0 T - if (ret != 0) {
( f. v7 N3 T8 |" Y; c - printf("Device %s write error.\n", E2PROM_DEVICE);( M! n) F$ j/ }8 d
- return -1;3 j) g7 h& K6 L8 G w
- }. y% a( V. p, x8 T: M4 V9 F! e
# g( ~8 f1 ~0 W" Z+ [$ C% [- return 0;
S" S- }/ o- c8 \' w: c& H/ j% _2 F - }
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6 N( y2 h; ~2 t( T5 b+ _5 x- int main()
! O( W; n5 S( I) W& B; i$ }# L - {
3 N4 J$ ?$ j% ]* Z6 @* ^4 V - char c;
" \1 l: @/ H2 O1 }' ? - int i, macs[6];/ |5 m4 B8 T/ M" V
- unsigned char mac[6];
7 M R( O e* {+ j' t - unsigned char stbid[256];% U+ Z# `" v# y- ^ Y! ?: W$ h4 O
- 8 N" l) Z) z, Z" h
- if (readparam(mac, stbid) < 0)
2 D/ M; s F4 y, Y% f0 f% U - return 1;
, }/ r7 K6 i0 u$ j: a - 8 j5 |3 ^+ r3 S- ?
- printf("Current parameters: \n");9 e3 o* s5 d8 |6 \3 e# w. g1 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 K( ]8 L$ B ^% y
- printf(" STBID: %s\n", stbid);' Z0 F% _! Q8 p
- 9 s5 ^; g# u1 e$ A: @+ O, z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 k0 _$ e9 n; \9 Y Y4 I4 u# L6 a: E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# S: p! @) u; K6 k
- printf("Input MAC error\n");
% ~, N3 l: p3 e# x& F - return 1;
0 a$ P9 ~6 j# A# F, S$ f3 P - }
; o# a: c9 D- H$ S O; ^. ?- U - for (i=0; i<6; i++)mac[i] = macs[i]; P4 P/ {! j5 m& U: x1 A
- printf("\nPlease input new STBID: ");" M- Z! u2 u& a2 T F. e
- scanf("%s", stbid);2 W. [5 I' \# a6 G" j9 `
- if (strlen(stbid) != 18) {
5 r$ H( _3 N7 x$ G - printf("Invalid stbid\n");: A* \& C% ?+ \9 x0 R9 e
- return 1;+ y/ \! ^( P. h
- }
0 C1 F' e) @% g; W5 `. K - printf("\nNew parameters: \n");! ]0 c4 g% @' u) {, ~) N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, n% Z$ v0 k0 S& S/ o - printf(" STBID: %s\n", stbid);& G9 \! m$ b# @7 s) ~6 S2 w# l
- 6 i+ I! i" I' ?% K# ]5 N
- printf("\nDo you want to change paramemters? (y/N) ");* H* ^; `* j( A- X, X& d" `4 k5 `
- for (;;) {
: E) h6 l( i& w; C) c$ s - c = getchar();
! c9 M( {- `) |! {( L( R - if (c == 'y' || c == 'Y')
7 }1 l) v( E) W/ M. w6 b$ G - break;
4 u1 v" G$ D& P - if (c == 'n' || c == 'N') {
) u0 @+ z0 u. g$ V" p' A - printf("\nAborted.\n");
; @; ]+ |5 D- R - return 1;
" D _( d- k1 E4 X* R! s - }
0 V W) j% K) a8 J- Z w: V - }
# w- I/ }) d2 g0 [3 m - if (writeparam(mac, stbid) == 0)
: f" v4 ^( N$ K$ F4 l4 u; Q1 k - printf("Parameters changed.\n");$ ^, {6 f3 d5 M( d% J/ a8 B
- 4 P2 R8 j7 z! h( u' s
- return 0;
+ K; u- `3 \3 d! w) X - }
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