本帖最后由 0522 于 2012-3-21 23:04 编辑
3 ^, Z/ q6 ?$ l" w$ T- u0 f
' y* j L0 L) u7 L. x修改的代码早有了。到今天不会编译。1 D4 e- j5 r4 W9 ]; B% ^3 J3 r ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# K, @6 I& [+ U( O9 A - #include <malloc.h>
6 J8 I' a. B" J2 T+ G) O% d3 A - #include <sys/types.h>
- _9 `' H5 I. o - #include <sys/stat.h>
7 q: d5 b5 v" Q - #include <sys/ioctl.h>- K6 b! k7 H( t) e1 q. s
- #include <stdio.h>, q) E8 @0 V0 R
- #include <string.h>0 G9 y+ v- f' g+ x+ S! p
- % m5 U( f, ^4 k
- typedef struct {
" R* G' q, Q1 S( R0 D: b: h - unsigned int e2prom_cmd_sub_addr;
, H. x; t2 p- U4 [- R - unsigned int sub_addr_count;0 q& m- J% {% l
- unsigned char* e2prom_cmd_data;: w0 C1 f( V% D
- unsigned int data_count;$ d2 l M; i1 e/ O; i& ` U h
- } e2prom_s_cmd;6 k9 r4 ~* R H* y% R) D
- 8 B5 ^( e( Z( `3 d6 _
- #define E2PROM_CMD_READ 1% V- N$ r7 B1 X7 }
- #define E2PROM_CMD_WRITE 2
7 T& E; [3 [. r% L6 V# x! y O" `( P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": V5 U V, }# S6 Q$ {# V* g
- & z {! s# [5 i0 P% H" Q
- static int readparam(unsigned char *mac, unsigned char *stbid)' c" O) t" [7 r, O/ X2 _" |+ |. b
- {
* b! i1 P. [5 u, |) F - int fd, ret;3 l! M5 D9 ~( c- V |! T
- e2prom_s_cmd arg;' B0 F4 |2 q4 }( ?/ W
- unsigned char buf[0x18];* @. \$ u* Q1 v1 y
- 5 S( I8 p3 l0 Q- _5 t" ^3 q+ y% [' E+ n
- fd = open(E2PROM_DEVICE, O_RDWR);
P6 H' \6 d8 H7 J$ c4 y9 s5 H - if (fd < 0) {6 s, G: q' Q! K2 L* g4 h: E
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 r& b; L' E0 t9 d% w. _ - return -1;4 \/ d4 {7 g6 ?
- }
! V1 p) z9 k) @; Y3 R - arg.sub_addr_count = 2;) a! i6 p( L" ^2 j' S" X
- arg.data_count = 0x18;2 }$ T! _5 C v; [& \- G. I
- arg.e2prom_cmd_sub_addr = 0x290;' {* p% R# m* P' M% M5 _5 O0 S
- arg.e2prom_cmd_data = buf;
! [2 M: S8 u0 q3 l. c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);" Q. v+ f# y; z# Z# Z" {
- if (ret != 0) {. I0 f' z( R6 X% m
- printf("Device %s read error.\n", E2PROM_DEVICE);2 A2 `1 ?6 E! u2 A. o1 n4 \3 v
- return -1;* `5 F+ f q% ?
- }% J+ W& F7 Q# P( i' x1 O/ q
- memcpy(mac, buf, 6);2 V8 |! |7 K% M2 F. l
- memcpy(stbid, &buf[6], 18);
0 X4 O s& K: d7 [ - stbid[18] = '\0';
7 g5 D! t1 ^: U
( L7 x. ]; S( r% Y5 Y) r( i" g- return 0;6 T2 B9 d' e+ K$ V6 U) \: x
- }( X5 X+ B3 o! B# W1 k
- 8 D I; } L% _
- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 c: Z5 S3 p; T' ]: B" q - {
, U4 N+ H& s% V9 I - int fd, ret;
. Y- w& l2 j2 B6 h# g* w - e2prom_s_cmd arg;% A* Z9 v: F6 O% A9 u) r3 f$ `9 Y
- unsigned char buf[0x18];4 t! u7 d0 d: B8 g5 f
' n8 D) d! z7 z: B- memcpy(buf, mac, 6);: S( L0 x' n. w
- memcpy(&buf[6], stbid, 18);. |. K7 w; u2 Q/ F* F
- fd = open(E2PROM_DEVICE, O_RDWR);( l& y( I& p4 r$ t- e5 H
- if (fd < 0) {
+ H! \+ m6 J- q, \ - printf("Device %s open error.\n", E2PROM_DEVICE);, Z e& A9 X8 Z, q3 P& O6 z
- return -1;
0 P F' C- l' ]5 c+ ] - }
# x' |7 a u3 S% z5 X( A* Y - arg.sub_addr_count = 2;
2 `1 q8 |& D. B. N0 n - arg.data_count = 0x18;
2 N% [4 i Y: D! I: X - arg.e2prom_cmd_sub_addr = 0x290;) X& |' D8 @6 ?* R
- arg.e2prom_cmd_data = buf;
# O- M4 F8 G" _. I. @5 V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 A8 {% p. h2 i; i% U$ N( H# k3 c - if (ret != 0) {
4 i4 ~/ @0 Z2 ?! H3 o - printf("Device %s write error.\n", E2PROM_DEVICE);1 h& W. P0 U' ^3 ]* _5 D
- return -1;7 X( V, \0 h) a+ v
- }
9 _ X$ R7 k' i# t, V) m6 @
3 A0 F- b" f! b1 z9 Z+ _- return 0;2 a* w" a" [5 f! f5 F( r2 x& v
- }) ^+ Y+ X5 X' a3 z% G$ m
- 4 T- }9 @, z+ ~- \) G
- int main()7 P# S2 w3 m4 F* \- R
- {' D% A: x! \* n8 o
- char c;9 s" q1 L8 {/ E f+ K( _
- int i, macs[6];. D' a0 j6 o9 O0 W& i4 U; O( h1 P
- unsigned char mac[6];
) C f( q( e- o - unsigned char stbid[256];5 v& q9 z% g0 ?0 p; F0 _. K
- ' r; x9 c. w6 B) g' ~- q
- if (readparam(mac, stbid) < 0)
' ^+ P: O" I3 z# i - return 1;
, P3 Z' M9 I8 G3 K4 k; F - 8 X" Q6 `( c5 z8 `# G
- printf("Current parameters: \n");
) A$ I+ k" E" i4 K; X, Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" t( T. m- h. E% A- a& g1 _$ d
- printf(" STBID: %s\n", stbid);
! |5 \ J4 N& ` - $ c* L' i0 y; f* R0 S& `
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 ?( |- Q# b3 ]# Z% N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 N, v) J4 k2 m
- printf("Input MAC error\n");
2 [( N3 b$ o4 ]# z0 n" m. S - return 1;
! M0 ^! x3 }+ s4 D9 E- Z7 ] C - }
# p# u: A# K1 b: R4 F; x" g - for (i=0; i<6; i++)mac[i] = macs[i];9 f3 `$ a# h' _9 _+ [' |
- printf("\nPlease input new STBID: ");: }5 @0 f ?* a2 C5 T. s! a) {7 h# j# O
- scanf("%s", stbid);
- F! E, O4 H* w - if (strlen(stbid) != 18) {
9 }& G, {* e' L a* A - printf("Invalid stbid\n");
7 X0 ~4 Q$ Z1 T: x1 g1 ? - return 1;1 Y. z) U* X$ I. w& k- }
- }
! B" B% p b# E2 E: u$ \! ^8 [ - printf("\nNew parameters: \n");
( T1 c1 z0 M1 X# o: \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 H4 ~, C% P1 J+ F# d: b* ]
- printf(" STBID: %s\n", stbid);$ B+ g0 m9 ^* T. c! v
! j. t } R4 D! l" D- printf("\nDo you want to change paramemters? (y/N) ");3 s3 b2 v7 q' ?4 Z+ P4 Y$ m$ M
- for (;;) {2 ?/ o6 S( n+ _7 A
- c = getchar();4 R R& f: d, P; h( x; f# [
- if (c == 'y' || c == 'Y')
! l) p7 [. o% K3 e - break;
6 ?* f% @0 _/ R) r9 I& t. r - if (c == 'n' || c == 'N') {
) W# @$ L5 k; r0 {" R) ?% w - printf("\nAborted.\n");
8 C2 c" \9 | N$ c( W - return 1;% Q) [, K( ]# S+ d* b
- }
9 _. k* }8 d' F! J - }
$ T9 }! {$ U! {5 ~ - if (writeparam(mac, stbid) == 0)
4 y ?0 U$ E! I4 G9 k - printf("Parameters changed.\n");
: _# g( O' g, B! ?2 K" F4 k - + E3 s I5 G$ H4 x& v5 @
- return 0;
6 @0 K% g, J8 i8 o, w* d( V - }
复制代码 |