本帖最后由 0522 于 2012-3-21 23:04 编辑
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, H3 I; x( [7 T \; f, n; a9 r; @" t修改的代码早有了。到今天不会编译。
- `4 ~5 M2 d0 {' E" W需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 _. V3 M( V/ _" G! g
- #include <malloc.h>% l4 z% `) o8 S% x! M! x
- #include <sys/types.h>
% Z% i3 [' C" k/ P0 Y1 W0 {) D - #include <sys/stat.h>
& i( d x# P8 W# K. v - #include <sys/ioctl.h>5 `* W6 f2 [, i$ g
- #include <stdio.h>
( a7 ^/ i- O4 I; P' ]: @ - #include <string.h>2 ]- l3 I6 u' M" p, A7 b
- * k+ M8 @% l7 e2 t) x/ }8 o
- typedef struct {
( j5 ]/ p7 Y- j1 ` s( p8 X - unsigned int e2prom_cmd_sub_addr; O3 F4 h/ } M
- unsigned int sub_addr_count;
3 K i. V3 ]7 Z } - unsigned char* e2prom_cmd_data;$ M/ c3 q Q: i( i& S/ `* A. g
- unsigned int data_count;
( P6 @/ Z- @& m" [! w - } e2prom_s_cmd;6 l$ H9 N/ ^5 L, g* `6 d
/ q2 d s; F9 z& _ E E- #define E2PROM_CMD_READ 19 Q) N7 l0 `/ {4 d0 Y4 V+ e
- #define E2PROM_CMD_WRITE 2' K, [, n7 ` K% q1 O7 J% T
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* O0 x- l) H s" h2 g; }* I. g
' n+ z6 J4 E1 T) d- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
5 D* t8 f9 A ]* l) A6 ~5 f - e2prom_s_cmd arg;; {$ N- K" w2 K: ~$ j3 }
- unsigned char buf[0x18];. v' K- _( P# l
: L5 p) Y/ K0 }) G- fd = open(E2PROM_DEVICE, O_RDWR);# @5 [4 ~+ A/ w2 \
- if (fd < 0) {
N1 i% i( [- f1 w - printf("Device %s open error.\n", E2PROM_DEVICE);
" a+ O# D s2 I; z1 c1 k M) W - return -1;& Z" u, L. ]! b8 F0 `
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- arg.sub_addr_count = 2;
6 l3 j" } q6 O$ l - arg.data_count = 0x18;& K( T& I; E" S; Q" |3 D) m! o
- arg.e2prom_cmd_sub_addr = 0x290;
# b: @# W# E; \4 Q9 Y5 ]" a2 ` - arg.e2prom_cmd_data = buf;4 t- G4 H( ^6 @% d3 T2 v; r! P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! l/ [3 w- k4 f# G2 ^
- if (ret != 0) {" |. W- f1 r9 }: c# ]2 q: x
- printf("Device %s read error.\n", E2PROM_DEVICE);. U6 O/ O, i H6 h) V1 `' p
- return -1;8 I( a' x9 J1 Z$ F
- }$ a, n5 m3 H) S5 B( Q) h
- memcpy(mac, buf, 6);
( O, O( k. D! D - memcpy(stbid, &buf[6], 18);
. Y% y! A# b) K! K# }6 R% O5 ? - stbid[18] = '\0';
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- return 0;
/ C0 j- `$ F7 c9 P0 J. B - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)* s4 K. }* q6 x! u+ |4 [
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- int fd, ret;2 g4 l' t. h& j' I3 o; D! D s
- e2prom_s_cmd arg;
# w2 [# b% L) B% H( t3 F( J! h - unsigned char buf[0x18];8 O9 R) W; `2 T) w
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- memcpy(buf, mac, 6);# {+ {* A5 {5 |
- memcpy(&buf[6], stbid, 18);% V/ c2 f0 n; ?4 H$ {) C
- fd = open(E2PROM_DEVICE, O_RDWR);2 j6 Z d/ M. ^8 C+ M
- if (fd < 0) {9 M4 O6 \- ]6 V4 h
- printf("Device %s open error.\n", E2PROM_DEVICE);! b( f) T k! r. m
- return -1;3 U; \" ? l' g
- }8 `0 W4 T& k! h* v
- arg.sub_addr_count = 2;
5 e4 n) n. N9 U& B" B - arg.data_count = 0x18;( Q- |) ~& k& b+ {0 e
- arg.e2prom_cmd_sub_addr = 0x290;
# d# r2 ?' p: Y7 @! O/ v9 \ - arg.e2prom_cmd_data = buf;" |3 J1 H J1 J1 q+ ~% e. ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# w. t6 g* I/ u - if (ret != 0) {
\* m6 b3 @8 Q q) a( B# X - printf("Device %s write error.\n", E2PROM_DEVICE);
3 c% z4 T$ t1 U. e6 w- g - return -1;. ^# ~8 O7 @+ U0 i" e% C- i. C
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- 6 C/ b( |$ P8 F G* k
- return 0;
3 f# q: P) Y+ L" k6 t - }
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- _1 x* T3 d) I6 h0 l9 q; x- int main()
$ ~8 `- P1 ?2 z! f' I* w - {
2 H7 M9 n5 }: C2 g - char c;
# a# \# ?& b, A - int i, macs[6];
2 l4 H$ E8 a6 }* a. w# o - unsigned char mac[6]; k1 W1 w1 b5 r2 i$ \1 U
- unsigned char stbid[256];
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( N$ L V9 z9 `" a6 g& P0 Q( a- if (readparam(mac, stbid) < 0)
9 p' W# L9 w+ T W+ L+ T - return 1;
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" I* H I2 m$ |* V4 u) e- printf("Current parameters: \n");% ^ F9 t2 K$ ^4 m: ]! [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) C% k V7 b: }7 W8 \6 t - printf(" STBID: %s\n", stbid);6 I! f* z H- \: H; G
- 6 u' q% h( y# U" _% o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. E8 a# T; ^) q5 w1 _
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 G% U/ n! p% v6 u" Y$ X; j7 a
- printf("Input MAC error\n");( @: t7 i% n+ c0 P
- return 1;: z( `' }5 B, U, v
- }
, @, ~; m2 |" [* U& D9 } - for (i=0; i<6; i++)mac[i] = macs[i];
4 \8 _, E. N1 v2 y) `4 e6 g - printf("\nPlease input new STBID: ");
' |& v$ b4 P9 o! A: ~' z- n - scanf("%s", stbid);) B* x d% ]5 q. D1 {
- if (strlen(stbid) != 18) {! D9 _* }# A) G3 i/ Z7 i) u
- printf("Invalid stbid\n");
9 v9 C. P$ p9 }/ ~/ k2 |* ~ - return 1;
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- printf("\nNew parameters: \n");/ {& Y; x, n1 d* I
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 @$ z3 O0 S8 c" R- m* F% T
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
2 f5 V0 r7 R8 _" I' u7 C7 t - for (;;) {, r& P9 x% q% u9 m) Z. ?+ Y
- c = getchar();' E( M: \- Q4 A H% ] g
- if (c == 'y' || c == 'Y')
7 h9 k" S' j+ u9 K0 H3 K - break;
+ ^/ o) Y9 b6 D. d7 U, q4 l. ~+ X* P - if (c == 'n' || c == 'N') {
' V: X7 i$ `$ B( Q; g- J3 O - printf("\nAborted.\n");0 u0 }: u, h# ]" u, U1 I B$ i( ^
- return 1;/ Y9 U. f! T# H$ n9 K8 C
- }& }- R ]- U% _4 g8 }: k
- }
, U; B3 n N$ [3 z {1 I0 H9 ] - if (writeparam(mac, stbid) == 0)
8 K T2 e9 C) ~8 q# y6 T - printf("Parameters changed.\n");
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- return 0;
, h% Q# c3 d) K' J6 A6 s6 i) O - }
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