本帖最后由 0522 于 2012-3-21 23:04 编辑 * D9 O5 U6 m+ L% r
. p( I! I4 c" [' h+ N( G3 ?. r修改的代码早有了。到今天不会编译。
# ]8 {) K6 n$ U: ^* v! u5 b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>+ [$ G2 ~% l7 T1 K2 O' V/ }# _+ S/ h
- #include <malloc.h>0 _: _1 q& e/ }" k- D
- #include <sys/types.h>6 f7 V/ B# ]% h6 B0 P+ p
- #include <sys/stat.h>
% }( u2 V: {, C0 {( A$ F n - #include <sys/ioctl.h>
1 G6 S4 k% ]1 k( `* k, y! V) Q, m' E - #include <stdio.h>
P i1 z" H' A( t( Q2 A - #include <string.h>& Y V& p$ m0 N: ?5 \$ p" Y- s
- 8 X( O o; \" \7 o
- typedef struct {
' S* w- z- `8 w$ w" o" o - unsigned int e2prom_cmd_sub_addr;
2 b/ O( Z: {7 m+ W, K: _ - unsigned int sub_addr_count;
3 e% v5 H5 |2 d9 G* |. h$ N - unsigned char* e2prom_cmd_data;4 d$ R3 l( E3 }( u" m% a+ J
- unsigned int data_count;4 b! c: z* j9 X4 E0 V) O
- } e2prom_s_cmd;* h) V t) o& A$ p* J% G7 v' L
- 6 M, D s4 `+ k7 }6 p2 K
- #define E2PROM_CMD_READ 1
5 Q; }7 a8 f; H5 g - #define E2PROM_CMD_WRITE 2
6 u) o4 _: {0 I# K7 @ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"% r) r6 W, r9 N+ B3 U) ?) w
- ) m0 }& w; X9 R3 n! u( d+ \+ e
- static int readparam(unsigned char *mac, unsigned char *stbid)' H4 y( j2 y4 d7 t2 l1 L* r* D
- {! C e7 p. @$ Y
- int fd, ret;. Q- \. |; M$ I! @
- e2prom_s_cmd arg;4 [) a0 O( k/ y# `' s; S
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" E" G( j7 F2 U9 i/ Z: j$ M1 x2 t
- if (fd < 0) {7 i) Q9 F: C; Z
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ U+ u5 c+ Y8 F% D# \ - return -1;
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- arg.sub_addr_count = 2;# Q/ y3 P7 M+ k& r: f6 W4 S$ ^
- arg.data_count = 0x18;/ [4 d' }* d8 t* p
- arg.e2prom_cmd_sub_addr = 0x290;
/ y- x! l2 K& ~. a/ O9 k! { - arg.e2prom_cmd_data = buf;
3 Q! b8 y; p( F) B: \4 K2 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 i% ~, d" s5 b( t" v* q9 f" G - if (ret != 0) {
5 x$ }" Y8 K% H' b. | - printf("Device %s read error.\n", E2PROM_DEVICE);/ Y2 j/ B) y3 P* B0 m6 B5 \
- return -1;
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- memcpy(mac, buf, 6);' _. @/ l3 Y9 a
- memcpy(stbid, &buf[6], 18);
* L. n5 K! {" Q - stbid[18] = '\0';
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* z1 p3 h7 |% s- return 0;. ^3 U5 z9 d& V O3 y
- }
' V$ j4 [7 D: N$ m+ c
$ |; Y3 ] o! t4 C9 h" F- S5 T- static int writeparam(unsigned char *mac, unsigned char *stbid)
- f/ Z4 h! v( h5 \1 a - {
. r: ]0 S! V6 p- B6 E - int fd, ret;! L% ]- W9 G; s
- e2prom_s_cmd arg;5 n6 I, j0 ^* {" k, P
- unsigned char buf[0x18];
5 B9 ?9 m. o: Y3 Y- Y: X
& Y$ L# V2 {: y! p) s- memcpy(buf, mac, 6);& e3 k7 Q4 h* j9 p0 h) s1 T
- memcpy(&buf[6], stbid, 18);' U& v' W) r. k3 `' m% T4 O; A
- fd = open(E2PROM_DEVICE, O_RDWR);9 R7 o7 G( s6 E( H2 d/ P4 @
- if (fd < 0) {
5 X; i1 }; P! |: Q - printf("Device %s open error.\n", E2PROM_DEVICE);- j! r% M# _8 i% n1 ?. ?
- return -1;
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- arg.sub_addr_count = 2;
2 T8 w" Q& ]6 k0 B - arg.data_count = 0x18;
- M% v- c) i) W7 z0 P; S0 U2 M - arg.e2prom_cmd_sub_addr = 0x290;
% I# f* a# E. h4 X - arg.e2prom_cmd_data = buf;
; `* U9 |# p% Z# @9 x' h4 ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 a0 e; O! _! S7 ?
- if (ret != 0) {8 ]' i P& j1 h% i2 r' m
- printf("Device %s write error.\n", E2PROM_DEVICE);
# ?! W* p) a) [9 N9 P# j# p - return -1;
& q; N* q) V6 s0 S+ P e2 ? - }: n4 e& X+ Y$ [, K$ g
/ K, p4 T- W9 \- return 0;
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6 O, n P% }/ }9 |- int main()7 A# c% z' a3 f
- {
Y" M. Q, V" K - char c;
. y0 G, U c3 v/ B0 o1 X - int i, macs[6];+ M$ g2 U) ]9 V7 s) c+ H2 g p
- unsigned char mac[6];
: h$ S* `9 F! n! M3 @' h - unsigned char stbid[256];' X* C5 F3 O8 p" A7 a
r- E% t0 h9 S' m- Q- e* v p- if (readparam(mac, stbid) < 0) v9 I6 i& t: k# w
- return 1;
+ _# v% d+ y3 c - ! J( l" B$ h9 W
- printf("Current parameters: \n");% k q1 }2 o/ h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 K+ y9 ^3 y6 ]/ w+ w& d- ] - printf(" STBID: %s\n", stbid);4 T% ]1 e0 R7 U$ [* e/ N( N) ` U! K
- ( L- O6 `- M8 z( u1 Q5 ]
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. F2 C8 O+ a7 C& m# [
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- h5 L' }# z% g* [; j# h& T - printf("Input MAC error\n");2 a% V# X2 t3 T5 x, J1 V5 N
- return 1;# n) X4 }8 p$ S
- }) n7 e& w D0 d* ]+ X6 H
- for (i=0; i<6; i++)mac[i] = macs[i];9 {; o. x6 u! ]0 `& W
- printf("\nPlease input new STBID: ");& {" o% h2 g0 u5 ^
- scanf("%s", stbid);
5 r* h: w" ~6 e, S( }) e - if (strlen(stbid) != 18) {
) z2 D$ }; K, I8 A0 M$ G0 J - printf("Invalid stbid\n");
! A( B9 C V4 H6 B - return 1;& d6 a, {& S! f$ b( w) T
- }
' ?+ J* B1 {5 r - printf("\nNew parameters: \n");
1 v# x) P- d2 n$ W1 g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# ?3 H; e# ?4 F c2 ~ - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");$ j' c+ E/ l, Q
- for (;;) {; W, P; q. @! o- f+ d( d& z& |% i7 J
- c = getchar();
& l2 u& l- V# c - if (c == 'y' || c == 'Y')4 s0 M/ \' ]1 p5 a1 q3 i, i
- break;
; l0 N. f @2 x b* @8 i) a - if (c == 'n' || c == 'N') {
7 G* r' x) N2 X J T - printf("\nAborted.\n");, \" i+ _& w. ?5 v x
- return 1;/ I( w% h9 T* X7 o" k
- }( g8 }5 u$ ~2 f b% B7 O$ Z
- }
, u# n2 [" z- b4 }( G - if (writeparam(mac, stbid) == 0)
& u9 m, x. X, m2 o* B& W# N - printf("Parameters changed.\n");
; t( t0 {" |0 e) q
& i+ s! `! _4 \- return 0;
' M2 ?7 Y3 }* y - }
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