本帖最后由 0522 于 2012-3-21 23:04 编辑 4 ^; ]4 T2 T% z0 H" `/ }0 w
4 L% K0 B! @' {/ l$ N# `" V修改的代码早有了。到今天不会编译。
1 k0 W- e7 c) u需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
$ C$ w4 L% V/ ^ - #include <malloc.h>% R _7 ?; V# H) d9 `" L
- #include <sys/types.h>: D7 E5 [* o4 V5 }' v1 e- f6 @; d
- #include <sys/stat.h>2 Z8 ^; O" R/ |. Y$ a: t( ^/ c* B
- #include <sys/ioctl.h>
& O9 v5 G1 P+ j, P) L8 q4 P - #include <stdio.h>( J, W1 H1 E+ @1 R3 ^" J2 E
- #include <string.h>
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, D5 [( K' M. {$ w, X8 E1 [- typedef struct {
$ ?- O! S& D$ K, ~9 x5 c - unsigned int e2prom_cmd_sub_addr;1 |5 [5 m) t7 X# ?. C* t
- unsigned int sub_addr_count;
" \) g) R! }3 P5 |) u - unsigned char* e2prom_cmd_data;
( {( u3 V/ O% x* f1 n4 X - unsigned int data_count;
) c( E h6 I2 N7 @* b# [. k9 { - } e2prom_s_cmd;
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! V# T- [. R+ N8 Q0 o: c; r- #define E2PROM_CMD_READ 1
. c% H- P* Z- A& F8 {# } - #define E2PROM_CMD_WRITE 2# \& i6 Q5 _* ^& u7 e' B' p; G5 k
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"/ `/ q- ?8 l4 s5 G w* k
* F8 D0 b8 Z% n8 l- S5 B( U- static int readparam(unsigned char *mac, unsigned char *stbid); E% d0 Y+ p8 @/ u& ~
- {
; n! ^! `! ~; t. k, h - int fd, ret;
" j8 }: E( Z- |$ K. U - e2prom_s_cmd arg;
. [5 c. |3 b4 n/ E2 R3 H3 N5 A - unsigned char buf[0x18];7 N; K, s! z) r! s) n
, [! H% h1 [6 P6 I- fd = open(E2PROM_DEVICE, O_RDWR);- ?, I2 F* D! g$ m) q, y# z, e
- if (fd < 0) {
/ g( j' Z5 H8 _% g - printf("Device %s open error.\n", E2PROM_DEVICE);
. K8 n% |( ]1 B; {" N - return -1;
0 i9 K/ b* x5 U7 i1 u Q# _ - }
; ~ @) b5 r7 I - arg.sub_addr_count = 2;1 f# R; I( @ w7 X9 m) J1 Z: w) h. w
- arg.data_count = 0x18;8 Q& A6 A( O. c1 a F$ J: v% Y6 e5 V
- arg.e2prom_cmd_sub_addr = 0x290;/ A i8 V0 Z" o2 w3 Q& C
- arg.e2prom_cmd_data = buf;
3 `, [7 A" i% m - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- [8 P' V) l' O5 h+ f# L" P - if (ret != 0) {
- n, ?) _. \, M$ _/ ?; w) r0 ^: Z, \ - printf("Device %s read error.\n", E2PROM_DEVICE);# p% E# k F; w$ W
- return -1;
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- memcpy(mac, buf, 6);
# t. d1 _% C' R% C1 f% u - memcpy(stbid, &buf[6], 18);# Q/ o3 p$ d3 j* B
- stbid[18] = '\0';( {" \$ `7 u; i" @, M
- - A# c+ d3 Y' b+ _4 U7 e! \) R
- return 0;3 p {8 }; N7 R4 l
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- * e+ ?( m# l# ]' z
- static int writeparam(unsigned char *mac, unsigned char *stbid) A4 j" J% \) d. ^
- {
( N" X* x" L* s* I3 E" F - int fd, ret;: t# b0 S$ H& I
- e2prom_s_cmd arg;
8 o/ ~, `5 u. M$ _8 \ - unsigned char buf[0x18];+ s* l- f, i+ ^" R
* m( [ ^( l+ n- memcpy(buf, mac, 6);
5 ]9 K7 R; Y# u/ `' k - memcpy(&buf[6], stbid, 18);! M0 g0 W8 U) E8 p( ]% i
- fd = open(E2PROM_DEVICE, O_RDWR);5 j. L) t4 V* {2 ?0 F
- if (fd < 0) {
* `" Z, i' V c! C - printf("Device %s open error.\n", E2PROM_DEVICE);
' E1 m ?7 h$ i( M - return -1;( ], u" d9 [* z& e$ \) Q
- }: t, b$ o }( D% Z# k
- arg.sub_addr_count = 2;
8 T# s3 m8 g0 k& Y& } - arg.data_count = 0x18;3 ?' w- b: o- Z8 x* y5 q- j0 v
- arg.e2prom_cmd_sub_addr = 0x290;
U( ]6 H* f/ k5 B6 _% ]' K/ K - arg.e2prom_cmd_data = buf;/ v0 N' k+ Q0 d. W" c' g
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);/ e+ G* j7 Q/ s }! O
- if (ret != 0) {( l1 H! r4 l) g2 P
- printf("Device %s write error.\n", E2PROM_DEVICE);
: \! A' v" `+ D8 w/ z7 }) ] - return -1;
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% Q& {. Y5 D7 n& k7 r7 m! ?- return 0;& W4 M+ _) J" s5 x$ v. M
- }
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- int main()5 N0 [; E$ L) Z1 g% H S0 Q
- {
+ L1 \' s3 F5 v j! d0 L* X- X - char c;3 E3 W N" i1 S) L) z
- int i, macs[6];; m7 p' ]2 U" |' ^+ T6 h
- unsigned char mac[6];
$ V! w; E$ ]. s# Q# v- D5 G - unsigned char stbid[256];
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1 I7 V( b+ |# x" ^7 @% [/ C- if (readparam(mac, stbid) < 0)$ Y j2 }7 [, o
- return 1;
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- printf("Current parameters: \n");9 V" q. s! r. X- ~% n7 a. G1 M9 V* z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 D, U& v" t8 o% L
- printf(" STBID: %s\n", stbid);+ p8 ~3 i" _; c/ v( p+ ~' R! `
-
) ]) e( W8 s: b - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
6 {' J0 b5 A0 G$ x5 g" X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ U3 c4 y! X( U6 d0 a - printf("Input MAC error\n");
, X! X+ C7 P& u3 W; U2 Q# @ - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];+ p8 p. ~2 D* y8 W" y. \
- printf("\nPlease input new STBID: ");; T! {! U) u' f* N" M2 a. F$ m9 J
- scanf("%s", stbid);: A2 I6 w3 p% [7 G0 q/ z
- if (strlen(stbid) != 18) {
6 N( I8 V: r: d8 F: O$ V - printf("Invalid stbid\n");
+ l% `; p% u, U; ^ - return 1;
" Z! R/ h r, V. L4 E4 B - }0 v0 `4 T: w/ O" a& u9 [3 ^) C
- printf("\nNew parameters: \n");
' e' r3 `- S7 N5 w, h, m" L1 U - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! H$ l& F4 X: L% J - printf(" STBID: %s\n", stbid);
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. n R9 O! C7 q8 Z- printf("\nDo you want to change paramemters? (y/N) ");4 h' Y# B$ ]+ }
- for (;;) {
/ T/ }, l/ p- K& {1 j7 g - c = getchar();5 `3 F- H$ @2 i) v! Y+ g
- if (c == 'y' || c == 'Y')
; E4 h! Q& P* ]; i9 h/ I5 k - break;9 l5 o, Q+ c) e4 l: n8 ?
- if (c == 'n' || c == 'N') {& u1 ^0 d! K q" B
- printf("\nAborted.\n");
& U1 o7 P4 B; l N8 x - return 1;
& `& ~3 c8 {+ |, N - }
$ X; C: q F9 t. L+ ^ - }
& l" [- ]: w& t2 \) C9 Y9 Y' b - if (writeparam(mac, stbid) == 0) / c6 B l3 _1 f+ w( x$ ^& H
- printf("Parameters changed.\n");
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( c$ v+ x' n+ s* C- return 0;
- n, x/ u* C; t8 u; R - }
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