本帖最后由 0522 于 2012-3-21 23:04 编辑 ' z, Q% V9 }5 X) Y+ F
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修改的代码早有了。到今天不会编译。
0 K" s4 K! w" T, k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* O4 r# w4 ^1 _3 C, o- u, s9 L
- #include <malloc.h>
! ^7 u- s+ h# t9 L8 a. p6 _ - #include <sys/types.h>5 }- D" Y9 S i' O4 J9 l
- #include <sys/stat.h>
% {! ?1 p, {" D$ n0 p. s/ J3 R" R, ` - #include <sys/ioctl.h>
! W( C6 s) A( Z7 V) A* U( }3 N& k - #include <stdio.h>
6 _) ~( E' h+ v Q# P3 @ - #include <string.h>
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. G+ _% S T n: `) a- typedef struct {" l$ ^9 j, K6 {" ?- W
- unsigned int e2prom_cmd_sub_addr;
/ @* A; g! o! B7 R3 q$ Q( y2 e7 O1 A - unsigned int sub_addr_count;
4 R/ i5 L/ r" A- b3 a% z* Z - unsigned char* e2prom_cmd_data;
& U2 Y N! B% q( M2 S" L - unsigned int data_count;6 L8 G' F3 c9 F: ?! i, @
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
" Q% u, Y9 M# l - #define E2PROM_CMD_WRITE 2& K$ t1 b5 B/ W4 Q1 c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 M/ l. e. [) B
- 1 I8 B* n8 B5 ~8 `
- static int readparam(unsigned char *mac, unsigned char *stbid)+ S8 \4 {# ?5 u6 ~; \- g
- {
& J1 x' o5 x" e' ^4 ], C. t - int fd, ret;& n, y; I3 E6 v5 {
- e2prom_s_cmd arg;
3 K6 E% C3 _8 F; Q) B( Z+ L. M$ s - unsigned char buf[0x18];
2 ?$ K) T1 M: ^! ^! ^
, w& E) ^( t" Q. q- r# g$ v- fd = open(E2PROM_DEVICE, O_RDWR);
9 l4 _( f) [5 Z/ y. q - if (fd < 0) {+ D0 x$ m: A7 h
- printf("Device %s open error.\n", E2PROM_DEVICE);( R( w+ H6 r$ I7 ?' ]
- return -1; X' L( R$ X" w* d$ \7 F! ~) q4 m
- }' b$ ~- u6 Y+ G Z2 F4 Q* V% _
- arg.sub_addr_count = 2;8 M6 ?' Y" L1 U8 R
- arg.data_count = 0x18;
" [! v; B: L0 |9 Y- q5 K - arg.e2prom_cmd_sub_addr = 0x290;
0 t# ~- ~4 g# x' T7 r - arg.e2prom_cmd_data = buf;! {2 L* P& s5 N9 r" l
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 \! @) k* Z6 _" _9 N - if (ret != 0) { P% o1 u" }& z4 K+ K1 y
- printf("Device %s read error.\n", E2PROM_DEVICE);
6 k1 O& [' J6 J/ Z# V. n" k - return -1;
) G% z" U# e+ `( Y. k$ I - }
: e3 R, B6 x7 Q1 d# a! B - memcpy(mac, buf, 6);
' |1 G# z- b+ E0 l2 G' w: { - memcpy(stbid, &buf[6], 18);
+ ]" K2 @+ M6 n0 v5 V" o: T" Z6 K! d - stbid[18] = '\0';: f$ y9 }2 z; ^" _) x% @
2 O4 `) v$ K& @+ D- s2 k# ]5 P9 V" i- return 0;( y, N2 Z) M7 ~8 `9 d: L
- }) K- Q* n+ L0 Q( q
9 C4 `' t) x* p% G- static int writeparam(unsigned char *mac, unsigned char *stbid)
8 |' e7 ]- ?1 A3 g! S" G, }! d - {
2 f7 @$ o; J1 Y& S. } - int fd, ret;6 Y) P4 E, j5 K* X) ]
- e2prom_s_cmd arg;( {) p+ I1 x9 u) ]! u: l* P
- unsigned char buf[0x18];
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% k5 W+ |& K+ Q- memcpy(buf, mac, 6);
3 e* o- H N* _; O8 C" F) h - memcpy(&buf[6], stbid, 18);0 ?! f2 K* Q! c; n) i
- fd = open(E2PROM_DEVICE, O_RDWR);
3 U3 @* d) x% L! j* m' p3 { - if (fd < 0) {
& w( y1 Y0 M- Z& s, r2 B' H) v - printf("Device %s open error.\n", E2PROM_DEVICE);9 j% l) Q' j6 h5 y8 Q3 }# W C
- return -1;
$ ?4 T6 _- D$ q9 N2 M7 |1 x0 o5 } - }
U/ v9 s2 K8 _* r - arg.sub_addr_count = 2;+ j( [* v( g5 N' S
- arg.data_count = 0x18;
8 J2 q# v% R' y: w1 `( S - arg.e2prom_cmd_sub_addr = 0x290;8 N& Q) A7 `$ K% B
- arg.e2prom_cmd_data = buf;- H$ O9 y; ?! p: L& l
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% ^! z9 S+ n5 r: A6 ^* }
- if (ret != 0) {
8 v2 c" K. Z( o4 P, R - printf("Device %s write error.\n", E2PROM_DEVICE);% a, y% D A5 H9 ?" p/ X U' c8 Q
- return -1;; \' v4 F# j# `) B4 W) l% o: K
- }1 N( `7 _9 R$ f* X8 h
6 Q' `5 @- L7 V4 R" a- return 0;% C* k; Q* ^7 {1 `+ c' J
- }% S0 b& A! o0 X9 Y( r
- 4 ~- K' P. M6 u3 w
- int main()! L+ E1 G/ a' K3 |
- {
% K; o; D: L3 ]& B( _ - char c;% V7 ~- K2 `& t
- int i, macs[6];: d+ F, c3 ?4 k9 B/ F
- unsigned char mac[6];
( G( z% g9 ?: p$ L8 A8 v0 Y - unsigned char stbid[256];3 [; k1 v' K* V, g* ^( [
- 5 R! A- j6 L% g% e" K
- if (readparam(mac, stbid) < 0)
; X' U! `8 H& G' C5 H) e" p$ W - return 1;! `2 t2 W& ^9 m1 @) T2 a
+ m1 ~% t# V2 L; ^- \- printf("Current parameters: \n");
& I& s* t% I. x/ S4 u) Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 R2 Q# E5 D$ l& `
- printf(" STBID: %s\n", stbid);
* k- r1 _* B' }' e" D" r -
9 _7 q( t# `3 B0 {! X% i/ v7 [5 u - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");7 \7 F' m) T- ^- r
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' d6 H" R, Q. }7 J- H! i. g - printf("Input MAC error\n");
; y0 Z4 f" U I9 E, ?4 ~4 g - return 1;; r# Q3 p- y, q. B+ X2 [2 t9 E8 \5 D3 m
- }
$ C+ H3 X5 Y# m) ?: |2 m/ I - for (i=0; i<6; i++)mac[i] = macs[i];( h7 n9 O3 D0 `7 ^0 Y- j6 E N) G. _
- printf("\nPlease input new STBID: ");6 R" f1 y3 @# c: g
- scanf("%s", stbid);9 x$ ^# d5 h ~+ x; j+ x
- if (strlen(stbid) != 18) {2 s# L" F f5 h! ?- x" g6 q
- printf("Invalid stbid\n");4 ?+ E% ?" b4 A1 n& q5 j
- return 1;. M& \, N: |4 i
- }
& n+ j4 X0 g+ s: v* P - printf("\nNew parameters: \n");
; h: m1 [" f d+ @' } x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 A- K5 c2 m. ]% G. ] - printf(" STBID: %s\n", stbid);
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3 l' v: [8 g h# E- printf("\nDo you want to change paramemters? (y/N) ");
: A& `% X: _8 a. s - for (;;) {
) C1 K1 _/ o& G$ o- l' t - c = getchar();
' j; J/ G% f; y - if (c == 'y' || c == 'Y')
) s% I/ i" C' F9 i! C! E4 r - break;
& p5 x# D3 E' s; S0 v+ [( U( z0 f$ f - if (c == 'n' || c == 'N') { o7 n7 X0 G- W8 n
- printf("\nAborted.\n");& W) H2 z; D+ W: L% Z
- return 1;0 P* c3 b5 l: a( N0 X2 s
- }
2 U* t% ]" x& Q - }: G% v% x4 W ?* ^& {
- if (writeparam(mac, stbid) == 0) ) J# _/ S0 f7 e5 U5 C' x5 `/ [
- printf("Parameters changed.\n");/ p. q: d' o' E* M; ^+ U2 B
" B% e) Z- [/ _4 R% b, V2 ]6 Y! Y- return 0;
+ b0 s; P6 W2 w' r" k9 a4 j* ? - }
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