本帖最后由 0522 于 2012-3-21 23:04 编辑 ! b3 X! [0 P5 q' ?* ]
) W5 o3 y, m: H. z$ j5 o3 }0 p修改的代码早有了。到今天不会编译。; m8 [3 h5 i1 Q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* ?; Q2 R, f3 D
- #include <malloc.h>
0 P2 K! X# t! O - #include <sys/types.h>
4 `0 H J/ a; N2 I3 w' D( M2 U2 G2 B - #include <sys/stat.h>" {) O; D: z. i/ J- b
- #include <sys/ioctl.h>& F4 {" [* ` {( k" S8 A6 a P
- #include <stdio.h> c# [1 B# `1 W. K3 |5 H
- #include <string.h>; D) x, j; S' A5 Y8 u$ j
4 [5 Y- F9 f6 k0 C2 n- typedef struct {
0 \5 ?; |. E9 r - unsigned int e2prom_cmd_sub_addr;2 s" B r# w* f" r7 u# g1 e6 d5 N
- unsigned int sub_addr_count;
7 y7 z2 y2 w# Q3 S- t( `4 k% ] - unsigned char* e2prom_cmd_data;$ Z h `. G8 s$ ^ r; H# S8 Q. U* v1 e
- unsigned int data_count;
K0 b/ J7 k7 |3 ?9 O - } e2prom_s_cmd;7 |5 A) ^% z9 h; {2 [* z+ x
5 ?( O1 Y9 h: `2 V4 X6 [! @) [- #define E2PROM_CMD_READ 10 X! Q- l! M+ t$ X% ]) w
- #define E2PROM_CMD_WRITE 2
/ L# g1 ~" f* g! }2 h F5 Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
& A- b; n* g5 n) D
. a$ K# d8 P% m* H- static int readparam(unsigned char *mac, unsigned char *stbid)
4 ]% Q' i: ?: J# t, r& ~ - {
' V3 P4 R4 ~8 Q8 s - int fd, ret;2 j% P; F& d0 Y8 n" U/ l. Z& b0 g( ~: @
- e2prom_s_cmd arg;
: A( d, E6 a4 V+ O' y - unsigned char buf[0x18];, f6 v% R7 \+ t; Q9 X6 N: d6 F
- 2 B1 }5 F1 ^. `* k" B/ T
- fd = open(E2PROM_DEVICE, O_RDWR);
1 d6 a$ {- u- h0 j- d4 q3 m - if (fd < 0) {; }" Q/ C1 j# u1 h, h5 |! i
- printf("Device %s open error.\n", E2PROM_DEVICE);2 G8 N7 z8 E% M( t8 N! J
- return -1;. Q# ^- M Z! D6 i" b3 X
- }3 U5 ]; s% s# T7 W$ ?% Q9 N
- arg.sub_addr_count = 2;
. S( t5 c! d! p+ O7 f$ E - arg.data_count = 0x18;
; {/ W0 G5 `' {, Y. y - arg.e2prom_cmd_sub_addr = 0x290;
3 {. @1 y: G5 B' Z5 |0 g - arg.e2prom_cmd_data = buf;" L- G9 j3 T( e* e2 q( H! D# B! W
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
R; b+ p6 F& d, ^% g c - if (ret != 0) {
' {6 c2 y& D. w& \' Y# y$ _3 y6 s - printf("Device %s read error.\n", E2PROM_DEVICE);9 N% S8 p- G) ]+ b+ z% b2 ^7 |% u
- return -1;
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- memcpy(mac, buf, 6);
: M- E; {% x5 c( `& [ - memcpy(stbid, &buf[6], 18);
4 a1 M5 p5 ?) v/ g - stbid[18] = '\0';& H2 v' l' d" y6 a
- * q/ N( w3 j+ _& v& o
- return 0;
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- 2 U1 \* F" }1 O3 W, Y8 ?1 k0 J7 G
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( _3 k) q/ @2 u8 }% S) J+ g
- e2prom_s_cmd arg;8 y) d( W O" E8 P" D4 W
- unsigned char buf[0x18];
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8 u4 V4 e" X5 Q# X- memcpy(buf, mac, 6);8 F3 B* Z) f; H( H8 h
- memcpy(&buf[6], stbid, 18);
5 f1 w' |6 p) \; J - fd = open(E2PROM_DEVICE, O_RDWR);
: \* O# z8 ~0 _: E' e7 E& G, W% Z& | - if (fd < 0) {' W6 ~7 |3 V4 W3 O
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 r& `+ B, \% b0 P! d+ d9 Z' e# ^ - return -1;
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- arg.sub_addr_count = 2;
" o. M4 J9 h( C1 {) T5 U5 m - arg.data_count = 0x18;: S# C! c( b3 F- M7 b
- arg.e2prom_cmd_sub_addr = 0x290;
Z: r$ a$ G8 m- ~; E* y+ R$ G8 ] - arg.e2prom_cmd_data = buf;
" i% X) C2 o1 X - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 h& @- I0 j8 D" z
- if (ret != 0) {- y- g/ u6 W( x2 S( B' [" l
- printf("Device %s write error.\n", E2PROM_DEVICE);* S, P/ S; {5 I& {% w- [. v
- return -1;5 K5 i( N7 z$ b6 _+ v) k+ w) ^
- }
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( w+ E1 t3 w) c' k. n- return 0;" B* O7 `2 ]1 h, e
- }
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3 v/ P; @4 `7 W9 w( n4 K- int main()
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- char c;. X9 Y4 t0 p/ `4 ?- q7 N8 W
- int i, macs[6];
# V% M! t/ j; `& \ - unsigned char mac[6];
# v# Y* G3 K- F% Z1 @. Y/ A; b - unsigned char stbid[256];$ z m5 K$ U/ \, B; b& U
- 5 O( b5 H: d+ r: r" W
- if (readparam(mac, stbid) < 0)
$ Y( z& V& b- }8 r3 T& o+ V+ e - return 1;
( [5 C: u+ ]" M
/ v. q, @* U! q% m: I9 N ?- printf("Current parameters: \n");
+ _$ A! \/ \/ D. M# `! @0 o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 r* {1 ~ P' a) p$ ^% E
- printf(" STBID: %s\n", stbid);/ t2 K! E) I9 ]
-
$ M8 I" T; B8 E5 c - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
# U' r; y) V8 |! h6 Z1 V" ^: j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 j, ?/ j1 R1 g9 {! t& V - printf("Input MAC error\n");
+ }% D9 I% W, t+ a4 s9 f - return 1;
! c4 `6 Q/ H) d! W- U! D - }
6 u/ @; c4 q; ~ - for (i=0; i<6; i++)mac[i] = macs[i];
5 c7 p! Y2 h) }# j1 q8 ]5 o - printf("\nPlease input new STBID: ");3 Q7 q( T: L5 p4 q$ [
- scanf("%s", stbid);
# Z' X3 k5 ] S4 ] - if (strlen(stbid) != 18) {1 |" V' j* X6 O/ {; G
- printf("Invalid stbid\n");+ f. t/ Y. H/ G0 h3 T
- return 1;
: L" e: S: @1 I7 a5 I& R - }
6 K0 I6 _% g) |: v - printf("\nNew parameters: \n");3 k$ o3 e' P* o/ J9 A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& ~6 q6 A: I k
- printf(" STBID: %s\n", stbid);5 I/ V: ?$ X& |0 ^6 r: h
" [& p; r: X, X) J2 s' r1 Q- printf("\nDo you want to change paramemters? (y/N) ");
( o# S9 ^1 Q# x, p - for (;;) {3 e( D8 q; Z! T i) ^ T- G8 _( D
- c = getchar();
5 k( L4 ]1 a6 X1 l* E% F Z! X - if (c == 'y' || c == 'Y')
+ z' T( P, C- v7 @9 ]% l - break;
B+ P+ @/ ?% u9 K( I0 z - if (c == 'n' || c == 'N') {
# k& W) u" J" l, T) u - printf("\nAborted.\n");
4 d8 p* B$ B" h7 L% a; A) L, v - return 1;
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- }" r$ \1 j/ j! G8 d. n1 J1 q
- if (writeparam(mac, stbid) == 0) + N) p8 `1 u/ R
- printf("Parameters changed.\n");) ~" ]4 j: g; |: A7 |# ~% I0 E
- % j. u0 h2 S. | r$ e* Z
- return 0;4 E* o. b& y" @: d2 N9 e7 @1 @
- }
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