本帖最后由 0522 于 2012-3-21 23:04 编辑
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4 [' j5 d2 O* o3 Y8 ^7 G修改的代码早有了。到今天不会编译。0 ]8 v) P$ O0 {6 ]
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 f2 L. a% |9 q7 O+ K) b# [ - #include <malloc.h>8 a0 S% d5 [, d, c( ?
- #include <sys/types.h>* {7 ^3 c) f: a! t6 x5 N
- #include <sys/stat.h>9 \6 r8 }. _; t: w8 W) d! E! R/ b
- #include <sys/ioctl.h>& X. w7 W& Z$ Q) O+ `
- #include <stdio.h>
3 x9 o+ c+ ]2 S( A - #include <string.h>
1 G& }2 H3 w, B/ @, A( D+ f - " n2 b- P+ C4 f/ a8 B
- typedef struct {. y3 T9 C3 u- u0 n T4 A' U# r" o
- unsigned int e2prom_cmd_sub_addr;2 l" ~4 }& d# R, q1 q/ d0 B9 w$ k
- unsigned int sub_addr_count;
7 K% N/ q2 R$ n5 g+ a% y - unsigned char* e2prom_cmd_data;
3 E+ J) m) f1 Y8 ^ - unsigned int data_count;
2 w# ]' I ~9 [/ }3 @5 I - } e2prom_s_cmd;. N# t# B7 Y. w; {
- ( I0 U' @5 |- @& u
- #define E2PROM_CMD_READ 1, X+ U- u$ v0 O$ i8 a
- #define E2PROM_CMD_WRITE 2
$ o b' N+ o, O% l) h+ j: J2 c7 z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"# N: M3 ~- N" @0 ~$ H9 |
h: q. k9 j H, h' t* _7 K% X- static int readparam(unsigned char *mac, unsigned char *stbid)6 a/ G- `+ J. Q8 J9 b' g
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- int fd, ret;
0 E$ e4 P: M: R6 E, C4 o" a: Q# Y6 F - e2prom_s_cmd arg;
8 T- }2 L" T% \/ ]7 C7 h - unsigned char buf[0x18];
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% s* N6 q0 |6 \) n$ |/ K- fd = open(E2PROM_DEVICE, O_RDWR);
8 u* J2 S2 G1 q- D2 j/ F - if (fd < 0) {
% [6 G8 j+ `7 n& D B - printf("Device %s open error.\n", E2PROM_DEVICE);
) x" O/ J0 p& ^6 H7 ~1 h - return -1;
, C* Z; g) R. v& R: j. P - }
: m; V4 d w. E - arg.sub_addr_count = 2;
* j4 X. X! K4 t( f - arg.data_count = 0x18;
$ J8 C) p# @/ J5 ^* V) \ - arg.e2prom_cmd_sub_addr = 0x290;7 f% U" N, f9 A) d4 u$ t
- arg.e2prom_cmd_data = buf;1 |0 J$ T+ y; L: i. Q7 s* e
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);# Q0 {% z/ i7 f* S' \; m
- if (ret != 0) {
8 ~+ Z* p4 z. r - printf("Device %s read error.\n", E2PROM_DEVICE);
: b' K; L( b p" b; v - return -1;
9 w( b4 M2 g6 u$ H+ m/ }: ^ I2 L - }1 I4 m# ~8 f9 x. b/ _% r+ r& Y
- memcpy(mac, buf, 6);
4 k- m: f9 N7 y - memcpy(stbid, &buf[6], 18);
0 B# [3 x2 _) Z4 d - stbid[18] = '\0';
" O- {- T0 Z5 v R - . f, x' W% q9 W, }; d
- return 0;
5 q) T/ e4 t- h O1 D' @8 o% K - }
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, ^* |: ^, h3 G! g* e- static int writeparam(unsigned char *mac, unsigned char *stbid)0 z+ }7 Z" b( z4 ~% J, s* z# q6 y* T
- {7 H9 x# F6 ^) U' t3 n. |3 u* Z+ s9 k
- int fd, ret;& B9 `) K' q" G, E
- e2prom_s_cmd arg;5 @( h( G d2 A! E
- unsigned char buf[0x18];$ ~& x: z8 _3 h0 ]4 {
( [& M+ K; f( ~; P, M- memcpy(buf, mac, 6);
. D1 R& T2 e% ]( Z @) F6 j - memcpy(&buf[6], stbid, 18);0 Q; K$ f/ M% K+ Y1 I7 P
- fd = open(E2PROM_DEVICE, O_RDWR);
% Q) h8 c" D. a+ |0 X6 E# S' V7 Y - if (fd < 0) {1 I( }5 B) V/ ~6 I) l6 j
- printf("Device %s open error.\n", E2PROM_DEVICE);, T! J" {: U2 k4 U. o
- return -1;/ M% Q/ K) h- ]7 E M$ ]0 B9 a H
- }
! A+ E. s# W$ W4 o8 q. q/ m - arg.sub_addr_count = 2;
( [, v( [7 @3 W; e/ e - arg.data_count = 0x18;. F& Q6 R' ~7 N! G
- arg.e2prom_cmd_sub_addr = 0x290;+ H- K: c. m% f7 z0 F, \
- arg.e2prom_cmd_data = buf;" P$ r S1 q8 Y) Q$ D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ o5 |6 r* o0 k* b - if (ret != 0) {. a, j, `6 M! \" {! v+ I3 `
- printf("Device %s write error.\n", E2PROM_DEVICE);6 b+ e) w$ t) A7 D6 K [' d
- return -1; F) G, ?0 z2 z; _: w& ?* @
- }
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- return 0;' F3 \0 T& J. g
- }, G+ {# g! s- s9 T; G- G
. i _) R4 a2 I4 J7 Z- int main()
, U0 f0 M1 I+ E' N! D" k - {7 U3 L! l" n* R7 u* M, n
- char c;, u* B( E" `4 I! a/ f' a
- int i, macs[6];
( }% {& S( {3 i8 j2 y/ x% T/ R - unsigned char mac[6];
( H8 P, @8 f \2 d5 {5 ?$ p - unsigned char stbid[256];9 b4 K; R& O; V" A# a: Z5 @3 V
- , W2 }* y: b9 n9 v8 `' Y& h8 G
- if (readparam(mac, stbid) < 0)
: i- ?8 v# M4 {, |: c1 H) I - return 1;# Y5 Y" A& o/ S! L
- - ?; R$ e& F, J
- printf("Current parameters: \n");
/ i; i6 W3 t" \- P l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; b' Z. ~6 M1 s
- printf(" STBID: %s\n", stbid);
" M7 G [. L. U5 O, }% f -
( q* s8 g5 F" f; m6 v/ g* K* H0 R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");- ^( [# C3 o, r! M: q) P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ u7 p& j1 c$ M6 x7 `% k - printf("Input MAC error\n");
. R( {% c5 ~& w; O; Q' h0 s7 Z2 L - return 1;# M% L; U) }2 U, J9 i& i# ?
- }
6 d+ U6 h# Z2 `2 g* U - for (i=0; i<6; i++)mac[i] = macs[i];
" P- ~# D2 H3 w7 H - printf("\nPlease input new STBID: ");9 Q. Z1 X- l. l: `5 ?" L4 M4 g
- scanf("%s", stbid);
# r, E- g$ Q1 ?# D4 J' n - if (strlen(stbid) != 18) { [1 X- m+ |# H5 U2 u) Q
- printf("Invalid stbid\n");
) i3 Q6 z( ?) n! E& d - return 1;
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- printf("\nNew parameters: \n");6 P* I5 `- I- L) y& X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ n; f* N* @0 K$ k) R" u - printf(" STBID: %s\n", stbid);
: F* _7 q! m5 D, J" b - . L7 L9 m- [. V( [* \ `' j
- printf("\nDo you want to change paramemters? (y/N) ");% f' t, S, L* ?3 s+ _4 ~) a
- for (;;) {% V5 I4 f& J8 U" v8 a) |! A! x
- c = getchar();9 N: k; h/ E" L! ` s
- if (c == 'y' || c == 'Y')
" q) A5 u% C2 ^7 c# z5 E, G3 D - break;8 l! I/ \# j: {! J
- if (c == 'n' || c == 'N') {- H5 P1 P0 S7 r5 ^# `. C
- printf("\nAborted.\n");
7 n6 i6 e/ C a4 O - return 1;
- r) {( N% p6 Y( {# p, k - }! ]' y/ _. d7 W9 P
- }
" P6 ] q3 p1 d" L7 u0 q* } - if (writeparam(mac, stbid) == 0)
0 |: E- P: H$ ?& h h - printf("Parameters changed.\n");
4 ^/ d, L8 h% N4 M+ e. ?* j4 q - . K% h6 |9 n( X, U) `8 [
- return 0;
6 D- m$ R6 m, J" Z1 W - }
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