本帖最后由 0522 于 2012-3-21 23:04 编辑
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}5 m0 D& O5 w修改的代码早有了。到今天不会编译。
* Z6 H: b1 `" W% ]% y. F; V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. V: U, s& l4 Z- m
- #include <malloc.h>
u5 H. L6 a0 C6 j - #include <sys/types.h>
% o; P" @. B' _8 I0 C - #include <sys/stat.h>7 G( ^; x8 @4 I9 d) O, @
- #include <sys/ioctl.h>3 b, ]2 Z5 {6 G
- #include <stdio.h> U" d1 G& q2 e. _: o
- #include <string.h>' s7 g3 O2 H8 r' R# [+ E& P% X
/ S+ y2 F6 |4 O. D- typedef struct {) i' Q' z$ `; t7 E
- unsigned int e2prom_cmd_sub_addr;7 a5 b1 A6 [* ?1 E* H% a+ ]' D
- unsigned int sub_addr_count;/ D+ D8 T. ] D& e- I: K7 k
- unsigned char* e2prom_cmd_data;! w& s5 A" n0 F+ }! ^
- unsigned int data_count;
# M1 O0 H. { i; y - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
; P- R }. H( U - #define E2PROM_CMD_WRITE 2" B2 ~$ S/ c% r
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)0 X( I! J! P4 ]
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- int fd, ret;! [2 A% _2 E5 k/ G0 n: i- ^
- e2prom_s_cmd arg;
3 C. `8 E3 {* g6 n; n8 v - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR); M, V' T+ \, ?0 Y& i
- if (fd < 0) {
6 x% Y% I3 ?, G - printf("Device %s open error.\n", E2PROM_DEVICE);6 ] B8 H5 m; y& ]5 g
- return -1;
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- arg.sub_addr_count = 2;
3 Q" J7 A, M$ h' W h! l0 X" h. z - arg.data_count = 0x18;
# Y9 J v" }- _" Z% N4 V# s9 L2 C - arg.e2prom_cmd_sub_addr = 0x290;( ^" w, y2 }% \2 w4 L# e4 T
- arg.e2prom_cmd_data = buf;
- [3 r( ?( t- a2 e: O6 w - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) r# a9 R* \& N5 K8 d$ Z0 h
- if (ret != 0) {( N- I4 P' k# x8 F4 N$ q, i2 m
- printf("Device %s read error.\n", E2PROM_DEVICE);# q& z. w- T+ [: V F
- return -1;
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- memcpy(mac, buf, 6);
9 W' i" ?, J9 q7 d5 } d - memcpy(stbid, &buf[6], 18);
7 M1 b, ^- R/ ]- d0 [ - stbid[18] = '\0';' n q- h1 Y1 L' [; v
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- return 0;
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- 2 L5 L ]5 f) q. Z ?: ?( c
- static int writeparam(unsigned char *mac, unsigned char *stbid); l. a6 t" i" `3 E- c
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- int fd, ret;* D) D9 x. Y- ^1 @# m! r! z8 l- T4 s% w
- e2prom_s_cmd arg;
8 g8 N7 X( C, M) d$ O - unsigned char buf[0x18];' U( w+ ?9 K7 \; m0 C
* P7 `, Z1 {: s" G- memcpy(buf, mac, 6);
b ]; i' L7 H+ V$ X5 ]5 O - memcpy(&buf[6], stbid, 18);
4 a+ H l& q5 q$ a8 r0 k% G7 E - fd = open(E2PROM_DEVICE, O_RDWR);) H5 n3 L! ]' m! U* f
- if (fd < 0) {
- `, ^( Q) }1 M) u - printf("Device %s open error.\n", E2PROM_DEVICE);# T9 P0 Q: g0 ]! U# J
- return -1;. t& F* P5 [: M
- }0 U! Q9 a$ O$ P
- arg.sub_addr_count = 2;
! H' e5 R# ]1 K! O9 V0 A( Y" S2 P3 ] - arg.data_count = 0x18;/ p+ q0 W0 y9 |5 J0 \
- arg.e2prom_cmd_sub_addr = 0x290;
0 b& k/ E6 K; k3 K6 N - arg.e2prom_cmd_data = buf;/ ^% S/ f& ]# M9 v8 K
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 N! a o5 s! |3 a+ n6 A4 Z
- if (ret != 0) {- v$ O7 K; n' P: L" Q
- printf("Device %s write error.\n", E2PROM_DEVICE);9 }6 B' n2 @( J5 e* [: W/ u
- return -1;5 v; i8 ?# h8 i" h. b. ?+ V; u# k' M
- }
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( [* B% c: x+ ^. p0 a' d- return 0;9 W$ ~3 n0 j( X& h
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' ?* r, {1 b( p8 }- int main()5 X8 t8 W* }+ h0 j5 }* E5 s( r1 C
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- char c;
% R# q* W+ S4 o9 Y) ]) R' u - int i, macs[6];9 [; A$ G3 z: x V- R2 S* Y$ Y
- unsigned char mac[6];7 A5 ]$ @/ @4 z6 \4 i: p
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
7 \% n: c- h$ ]; A - return 1;$ z' t" Y) ^1 P) w' I# `7 d1 Z6 H% R
1 d/ J# a. g. t5 ~# O- printf("Current parameters: \n");2 @" A0 P+ @9 g' A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# u6 o* h) M; c I2 {& u* a
- printf(" STBID: %s\n", stbid);6 Y% a# R9 E$ {' ?2 ~' b5 _% n r
-
# o! D- p; I, y8 V, \9 [ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ ?; T' \' u6 }, ] - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) O$ d* r' k, K. G
- printf("Input MAC error\n");
# p; {' p& ]% {4 U3 X - return 1;0 z' I B+ R3 E. |3 ? l
- }
. x7 J4 u, {( U' y - for (i=0; i<6; i++)mac[i] = macs[i];
. q6 \4 v: t9 E/ z" Q- i% ] - printf("\nPlease input new STBID: ");
2 y' T+ I* w. R3 Y/ C5 M - scanf("%s", stbid);
# z# ? u. p% c* t' L - if (strlen(stbid) != 18) {
" g9 S4 n8 x t {( T% u - printf("Invalid stbid\n");
8 c* e9 I1 W) d. E( Y! Y0 B; } - return 1;
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) Y, @4 u; j; J& C. V - printf("\nNew parameters: \n");* c2 y2 m/ m: z/ R& b( X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) J4 I' r% H4 C' o; h" M' g
- printf(" STBID: %s\n", stbid);
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8 y4 v$ z: D% n; v0 A# g- printf("\nDo you want to change paramemters? (y/N) ");( a7 [) R& W V5 ]
- for (;;) {4 [" [& u" h' v( [2 H
- c = getchar();% H- Z( I6 e( v. Q' E1 ~: C
- if (c == 'y' || c == 'Y')
7 h! ]( S% B6 ^ - break;
8 x6 }( u8 U& |5 Z T* Y; ] - if (c == 'n' || c == 'N') {% u x6 i w1 O+ z
- printf("\nAborted.\n");
7 m+ V& ~) _9 C- P9 ? - return 1;/ k6 g$ G4 d6 e7 ` k' }
- }
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- if (writeparam(mac, stbid) == 0) " X+ g% {. `- J8 h
- printf("Parameters changed.\n");
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- return 0;
# f/ M3 i' G' y$ W0 c% c( Y - }
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