本帖最后由 0522 于 2012-3-21 23:04 编辑
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' i) @# a9 H; V* D9 z6 Z! w" C修改的代码早有了。到今天不会编译。/ O! Q' i' e. m- n6 h
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 Z8 ^# G9 ] ]4 h - #include <malloc.h>
6 p5 y( i/ C0 @! M - #include <sys/types.h>0 w8 _" a5 x4 V
- #include <sys/stat.h>
+ D) X6 J2 \1 l: \ - #include <sys/ioctl.h>
/ w( `4 V( c3 R0 }1 P7 Y2 T - #include <stdio.h>; T% d ~+ F5 p( v' v1 d3 X1 M
- #include <string.h>/ [: P! G2 t2 z5 \
x' F i9 O2 f$ {7 U5 k- typedef struct {
) m# L% j/ z: P# {- u4 z - unsigned int e2prom_cmd_sub_addr;
0 s/ @# _: p' ^7 ?* ] - unsigned int sub_addr_count;
9 Y2 t$ F+ d! e" H( R - unsigned char* e2prom_cmd_data;7 Q$ H L( _5 Y+ {8 W: y7 _: Q0 C: T
- unsigned int data_count;( h7 r X9 f! l' m
- } e2prom_s_cmd;
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/ y' e7 X4 F9 G9 o1 j' E0 w- #define E2PROM_CMD_READ 1. i9 d( \8 @. f' T0 ?- J
- #define E2PROM_CMD_WRITE 2
* Y/ S+ ~/ C9 S& b q& |) D* M) n0 Z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ y6 y( f9 a1 ?! b
- . j6 {: s1 M; v" m, F1 t9 s0 J# P
- static int readparam(unsigned char *mac, unsigned char *stbid)+ }, F% e" H8 [8 S
- {5 P& v7 t: {' j0 a3 V" R
- int fd, ret;1 z$ m/ x4 U2 C9 ~
- e2prom_s_cmd arg;
! G% Z& K. U; Y) j/ ]* q9 |- d - unsigned char buf[0x18];
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, Z2 _1 W7 a$ Y8 L- fd = open(E2PROM_DEVICE, O_RDWR);2 l/ L4 t5 F' n' W8 Z. H
- if (fd < 0) {- Y4 r0 e9 H# a2 A" c
- printf("Device %s open error.\n", E2PROM_DEVICE);
* Y; c3 F5 m# S' K6 r - return -1;+ a6 O' N0 O$ t% a
- }
: E9 Q5 `- |3 @# k- P/ k& x - arg.sub_addr_count = 2;% `2 d4 U% J5 B6 C9 p
- arg.data_count = 0x18;% _% T; r! }' A8 X6 t- l; }
- arg.e2prom_cmd_sub_addr = 0x290;
8 D7 P5 s, b& |1 |, { - arg.e2prom_cmd_data = buf; f6 R+ M9 }5 L6 t4 ]+ l/ a: d \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
% l; p5 g) p" H6 r" g( y, n5 L - if (ret != 0) {
2 H, @3 }. i g; R% ?- |" v. M - printf("Device %s read error.\n", E2PROM_DEVICE);8 f3 S, d8 I. Y% K/ B
- return -1;1 {# p2 v6 C8 p' J% {
- }
% ~8 r9 G6 V. X) I3 N/ v8 P - memcpy(mac, buf, 6);
: V% |% a' X. t - memcpy(stbid, &buf[6], 18);8 N; t/ a2 }7 \1 u
- stbid[18] = '\0';: T& m! m, Y, T I/ C9 g
- 2 r9 T3 u9 `# H& Y$ F
- return 0;+ G$ C# h' n9 C
- }
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8 @) B2 S0 w# r7 T8 X- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' O0 E- M8 ?; X7 R - e2prom_s_cmd arg;
& C4 _, f* L( L* `5 I+ P - unsigned char buf[0x18];
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4 }) B) I! M3 p. U1 i) ^4 r% z6 m- memcpy(buf, mac, 6);) b, s! `4 I8 }6 r+ a4 v, U9 J
- memcpy(&buf[6], stbid, 18);5 _; d% }' K% T& B8 |7 ], v
- fd = open(E2PROM_DEVICE, O_RDWR);2 y, p. O G g3 d# x
- if (fd < 0) {* R: N2 J+ y2 f% i. U+ {
- printf("Device %s open error.\n", E2PROM_DEVICE);* ]$ C' c( M% X4 T. d
- return -1;
% {, Y8 z( l/ ~* \! Y - }
8 O% T6 w# m0 ^6 O - arg.sub_addr_count = 2;
- a( V" s2 w# l* r0 }: V" j V1 q - arg.data_count = 0x18;0 U" G) Q; }. q4 a
- arg.e2prom_cmd_sub_addr = 0x290;
# a) [1 D' f; r! C - arg.e2prom_cmd_data = buf;
5 d$ U8 F7 s! t$ Z: E: F' T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" j z, x1 a% B6 w! u c2 s! Z
- if (ret != 0) {
* A# z4 I( D% I0 C: Q) Q - printf("Device %s write error.\n", E2PROM_DEVICE);: |4 W0 m* o5 H( x! g3 G* l
- return -1;: _% |! x& X7 v
- }! h* U/ m1 C2 t3 c
) P. _# w4 G S6 g3 j. N- return 0; z7 m- o |2 p
- }
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- int main()
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- char c;. Z/ ]1 j5 f3 s; `
- int i, macs[6];6 q( o l X% J- H* C" E
- unsigned char mac[6];; U: o" G q I; i$ `7 h; p) i$ Z9 b
- unsigned char stbid[256];
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& B/ K! H" Q! G( u' h' n- if (readparam(mac, stbid) < 0)0 z# R* N1 @$ E! @) h
- return 1;
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- printf("Current parameters: \n");4 {# L! g/ F. R( C) k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 r# Z9 D$ O" Q
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, q8 z5 W6 j& z' b# W- H
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {1 v) h7 ]. T# n/ V$ E4 V
- printf("Input MAC error\n");
6 g: u. t- h$ ]! s8 v - return 1;) _% Q& e% i! n; C l
- }
/ A/ ^3 d" o4 J" ]4 @ - for (i=0; i<6; i++)mac[i] = macs[i];- ]( ~1 c' G3 E* u
- printf("\nPlease input new STBID: ");
. N" m. {0 u( X2 z7 A( Y - scanf("%s", stbid); r7 R0 L" Q% h
- if (strlen(stbid) != 18) {3 E; [! X* J- L# [; Y4 V
- printf("Invalid stbid\n");
: Y5 y8 Y7 B# x - return 1;1 `9 F4 P/ h$ ^! V* H7 G& W( ]' V. X( G
- }
" N' f% }) z9 B9 g - printf("\nNew parameters: \n"); \2 B L. D) U* A6 s* c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) T& Y% b2 r9 d6 E* W ~" a' t
- printf(" STBID: %s\n", stbid);" I% P6 p2 ^# U. ?
- , \8 m! x2 p. h/ b y
- printf("\nDo you want to change paramemters? (y/N) ");: D) s! z, `# \& s# f. q' V
- for (;;) {
' q/ [. z2 O" R+ Y$ u2 V - c = getchar();: M6 n4 ~) _. K8 Z/ S2 \8 V
- if (c == 'y' || c == 'Y')4 Z( G/ j6 \# H2 L( S
- break;! Y4 s: u r) B! h# }' f( u. O6 E
- if (c == 'n' || c == 'N') {/ L, e! n/ i, e2 j2 }
- printf("\nAborted.\n");2 `6 J5 d( G6 z9 l. A# V4 l
- return 1;/ ~/ c4 B3 ] g
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- }
# V2 a: g3 V0 l( ?: B' F - if (writeparam(mac, stbid) == 0)
$ r) h% R# p, {" V - printf("Parameters changed.\n");
2 n8 s4 b. B2 s$ c& x+ G& { - 9 s2 z" Y4 i/ {
- return 0;/ C* Q/ o, \% g3 m/ N
- }
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