本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
j; h4 ^% Z$ \2 ] a& P, K6 |! @需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 g" K0 z. u. y - #include <malloc.h>
% {% i1 ]- `! O# \- Q, ~9 c - #include <sys/types.h>
( R, P) r8 P$ s5 u ~5 f: i - #include <sys/stat.h>
/ A* ]" @ g7 M) \6 s! v - #include <sys/ioctl.h>! d' v9 {9 R9 Q4 o' l2 X" m
- #include <stdio.h>. A( F9 v( P6 _0 O8 ^ ~+ p
- #include <string.h>8 j; q$ [! ]2 g. d9 c- t
' \# e9 L( p+ ^( |9 E- typedef struct {
B- t: e4 |! P% _& d' q - unsigned int e2prom_cmd_sub_addr;
1 o" z' y$ [9 U; T( k+ P/ g - unsigned int sub_addr_count;) @3 {2 |( H9 b( z9 C' v
- unsigned char* e2prom_cmd_data;
4 Q8 _- z# M% q - unsigned int data_count;
0 M5 N+ L5 ?5 i- I5 h2 \7 ^ - } e2prom_s_cmd;$ ~5 ~5 e3 Y) w% \) g
& J; D: E. }) S9 ]- #define E2PROM_CMD_READ 18 Q' j: v# e0 o, W% J
- #define E2PROM_CMD_WRITE 2
* t) i' @9 Y. z' h; c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid) O( B% Z! C: ^6 p7 e! q3 _
- {
. H. Z9 J, b) J3 g - int fd, ret;7 f: k/ e9 H2 A. z
- e2prom_s_cmd arg;" }( J( h! `6 Q6 S
- unsigned char buf[0x18];3 U* U6 j' N& ~% x
. m, a: B; N6 V( r( {* n- fd = open(E2PROM_DEVICE, O_RDWR);3 C( \1 ]: O2 m( v
- if (fd < 0) {" C1 U; A% b3 X F5 q! y
- printf("Device %s open error.\n", E2PROM_DEVICE);' R m6 f( C* [" e6 o' {
- return -1;, K, _8 V4 e6 j+ G$ W! v, S
- }
3 d0 L! Y, F. z q - arg.sub_addr_count = 2;( j( \$ z9 t8 g3 `- @! |4 J; w
- arg.data_count = 0x18;. ^0 Q* y8 w k) d: `5 r4 o
- arg.e2prom_cmd_sub_addr = 0x290;3 T/ [" @- n$ |" B6 T s$ x
- arg.e2prom_cmd_data = buf;+ ^) j: z' c: L, X8 S& J/ g$ d. {2 q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 o& Y4 _- K$ W* {2 u8 e/ T
- if (ret != 0) {/ `8 j( W: V) ^9 o$ W7 [8 U# H
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ y0 M6 v" Q3 o! E& S5 C - return -1;
% |1 G$ }& x9 k* I7 |, y9 q - }
4 a9 \! O }3 s. |, @& X - memcpy(mac, buf, 6);0 F3 G- _; D' k/ \3 ?, r, p
- memcpy(stbid, &buf[6], 18);
9 O, A8 \/ |/ w0 l, M. p - stbid[18] = '\0';
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- return 0;
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/ e( C+ p5 J. j+ C: _: D9 G. U- static int writeparam(unsigned char *mac, unsigned char *stbid); J6 C4 l& w9 B6 n) B* |
- {3 ~! D) A& |, |1 Y7 `
- int fd, ret;
+ F8 o) ?/ c8 R2 G- G) s; | - e2prom_s_cmd arg; Y, ~. k0 u8 C* C$ \
- unsigned char buf[0x18];2 r( ^$ Y6 d9 y
' A% n5 h/ t' R7 P [: w5 v5 O+ F- memcpy(buf, mac, 6);
# J# _/ }- w( o2 Q9 `' t' V - memcpy(&buf[6], stbid, 18);
! D0 x5 O0 @6 a/ R - fd = open(E2PROM_DEVICE, O_RDWR);
1 @" o; T' X- B! l& b: V" W - if (fd < 0) {. f8 f/ W4 G. P
- printf("Device %s open error.\n", E2PROM_DEVICE);
! q$ Y8 e7 d9 N/ ~ - return -1;
5 c2 V$ D2 {( U6 B5 Q; y! O - }6 n3 t! c- d1 q: s% C/ G
- arg.sub_addr_count = 2;7 f% K2 n. j# n# y% r b7 `
- arg.data_count = 0x18;+ c$ k2 Y' r- y8 x* [2 E
- arg.e2prom_cmd_sub_addr = 0x290;8 p: b8 R( S3 \' S5 _
- arg.e2prom_cmd_data = buf;5 o; j6 |8 T [8 [8 `
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);8 n7 p9 s! ` l8 B3 ^# S) s
- if (ret != 0) {( g% t# S* b0 ~
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 U' b% V' N, A* w# | - return -1;
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- return 0;
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- 1 R5 [' i+ t( g7 p# `
- int main()
" f0 M1 M- F U& s - {
& N0 R1 L \% o5 V( r - char c;7 r. l$ O+ O1 g: T: p2 F5 j! [
- int i, macs[6];$ G D+ r1 T( U3 v
- unsigned char mac[6];
# P, u$ Q" ~% J - unsigned char stbid[256];, b) l$ y% W6 h
( z v: z+ a+ h4 F8 U. S" }( p4 H% v- if (readparam(mac, stbid) < 0)
5 z1 C+ R* c- y; @- m' I - return 1;
# w8 g9 `0 J% j
7 }. X; R( Y9 G% k- printf("Current parameters: \n");
- m! U6 S R6 Q1 \ x5 Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ {" F- P) R6 u, W
- printf(" STBID: %s\n", stbid);5 h0 T/ V* ~) j% s6 L6 E# g
-
) y! Y& Q* b# l# G8 O: `+ P - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
h& O7 R; w) q% @! R5 P/ Q* Z$ o. { - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 |) h0 h0 {" e# b, T- ?) L$ z - printf("Input MAC error\n");1 p9 ]5 Z$ T% `3 n
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];. m2 I9 `5 h& s; q/ }+ l4 _
- printf("\nPlease input new STBID: ");
7 J7 B9 K( h4 F( m7 {* q - scanf("%s", stbid);
% `, L/ n( @1 X& d! s8 | Y7 B - if (strlen(stbid) != 18) {
+ X+ H9 C% C8 e4 y - printf("Invalid stbid\n");* u8 r. F3 ^) A* ~
- return 1;& n2 | F$ `& U. c/ z& y
- }
% T: g' G6 L/ P- L - printf("\nNew parameters: \n");0 g! }8 h# d* _* y: C1 j0 u( N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% }( B' N. U/ ~; g0 k. I2 p - printf(" STBID: %s\n", stbid);
Z$ O; v) `% }
1 i7 u9 d7 y% n I) ]) b! S* U- printf("\nDo you want to change paramemters? (y/N) ");2 c& ]3 `" O& b ]
- for (;;) {$ H# y3 U( D- H* ]
- c = getchar();
( w3 \, V) I" Q. m+ l) H - if (c == 'y' || c == 'Y')+ T; w+ o2 J2 a- U0 v2 ~: m
- break;
: Z7 i' }8 b! K; F$ ` - if (c == 'n' || c == 'N') { q* q( P* x0 k3 t2 Q1 _
- printf("\nAborted.\n");
- R9 V; K+ A. Z9 [- R. t - return 1;
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- }3 ]/ K* b5 S3 c$ M8 X2 t c6 C4 j" h
- if (writeparam(mac, stbid) == 0) # Y* q- d" X {9 N6 y! {4 \; b
- printf("Parameters changed.\n");) I) l8 n; [6 V' ^4 w/ B/ Z3 |
/ L7 [) i1 Y$ D7 @' F6 y' o- return 0;3 X& n. N+ S/ d7 A4 c1 u
- }
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