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。; l$ c y2 o5 ^- G- m0 C" n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 |! W5 Z# @0 p! M - #include <malloc.h>
; j- s2 m$ L" ~, n& h - #include <sys/types.h>6 C8 B- w# N0 V0 M) ~
- #include <sys/stat.h>
* Y% U% O; M) S2 k+ ~2 r$ j* P - #include <sys/ioctl.h>
% N' ?2 _- G2 s$ U- j - #include <stdio.h>% B6 ]5 V9 N- N# ]9 b# p% C9 {
- #include <string.h># V) X3 m5 M5 |: N; f) p$ @
- ) S+ m) U- |6 @2 A. e" V1 `3 A
- typedef struct {
/ S* K1 G1 P8 S* h z% g, w& Q - unsigned int e2prom_cmd_sub_addr;
2 D; h! e! @3 D7 Z - unsigned int sub_addr_count;' J( d! G, E6 w, o! g9 I. j
- unsigned char* e2prom_cmd_data;
: [' i4 h5 A' b( J - unsigned int data_count;
5 C% ^8 m" T8 W. U' M8 O& d - } e2prom_s_cmd;( r# y1 E1 p9 g
- 2 p9 a1 a; K$ n. |! {4 p
- #define E2PROM_CMD_READ 1' H# b. J3 v; p% G! M: F9 Z" t1 r
- #define E2PROM_CMD_WRITE 2, l& S9 r+ i7 b0 z* q7 k0 a
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 y, O/ X+ K! ~7 R( R/ r A& ~
3 u, N+ l6 F1 x. d6 h- static int readparam(unsigned char *mac, unsigned char *stbid)" v0 @ K. r6 y9 D" r
- {
7 a% r( ~, \7 i8 Y: A8 ^# X4 R - int fd, ret;2 x6 X, A0 Q. x( v. u c
- e2prom_s_cmd arg;
- O+ L% \5 h2 U* H6 I - unsigned char buf[0x18];$ |+ S* m- K! h8 e
6 o$ N% T2 ?2 _8 h z" Q& t1 v- fd = open(E2PROM_DEVICE, O_RDWR);9 @$ I) Z# M6 y
- if (fd < 0) {
0 y4 ]8 v! }: h0 f/ O# O1 M( U/ z - printf("Device %s open error.\n", E2PROM_DEVICE);0 h, j; h: S) Q, u9 l# D
- return -1;
5 G. q- {" [$ U - }
0 y. x) A4 [- e - arg.sub_addr_count = 2;4 [% G6 z- k0 }% v) ^6 V9 W2 w
- arg.data_count = 0x18;; H3 r- }8 ~# J, H
- arg.e2prom_cmd_sub_addr = 0x290;3 V5 K8 ~) E9 J9 U6 M5 A
- arg.e2prom_cmd_data = buf;
: ~( H) t3 m: [! Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 l% ~8 J* \9 ` ]) D! |) ^* P: C - if (ret != 0) {
0 T g! d( n1 K( E* x - printf("Device %s read error.\n", E2PROM_DEVICE);
& c5 c8 v4 ?& u3 H, Q - return -1;
. m( {% @" O- |/ U8 ]! P; H$ ` - }
$ n, x6 L: w6 _ - memcpy(mac, buf, 6);7 g2 \; i, O& b
- memcpy(stbid, &buf[6], 18);) H1 L' U4 k4 A3 Q* I
- stbid[18] = '\0';+ ]* _; R/ t1 N. ?; W: g! ~% J2 V; m
. g9 Z4 t# q% j1 G3 E- return 0;) K8 I* E4 \+ U- q/ D4 q
- }! m) i7 | A. `1 R3 Q
4 X+ ~* a) f1 U0 k/ P) i- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 a: }0 Z: z8 |$ @% X - {; w2 f- e) e1 d/ l
- int fd, ret;
9 l4 `- ?" x# h+ {6 K - e2prom_s_cmd arg;
. A8 M, f* O6 E$ Z - unsigned char buf[0x18];
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$ F% x1 C6 U) e- memcpy(buf, mac, 6);+ k: h f# D" n5 V0 z
- memcpy(&buf[6], stbid, 18);0 q+ W1 u/ U& X) V. h; m
- fd = open(E2PROM_DEVICE, O_RDWR);0 b& f7 V4 u9 D3 _4 z% g# H
- if (fd < 0) {
; Z" i( d- e6 g- T3 I& n - printf("Device %s open error.\n", E2PROM_DEVICE);& ^* r8 o) g$ ]$ L/ T! z
- return -1; S- B9 w. l g: W8 p
- }1 P: H5 i# m3 D) l( z* [! _& u% ~
- arg.sub_addr_count = 2;4 b5 I; ?$ K2 j7 t9 ^
- arg.data_count = 0x18;
9 k5 o t! X9 |0 f) q! }# N4 Q/ H - arg.e2prom_cmd_sub_addr = 0x290;
& o* n0 f. n4 T, @; @& @- e1 f) Z: v - arg.e2prom_cmd_data = buf;
: C1 \, ?0 @3 U7 u; ^# a - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- {% M+ ~5 e, W, m: m - if (ret != 0) { Y1 b0 p# Y' m) p
- printf("Device %s write error.\n", E2PROM_DEVICE);# A3 i" ^) j! V; h8 R
- return -1;) _7 U- t; F8 p- c% `2 ]( r4 H
- }
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" ?/ K, w! c6 B7 ~/ Q9 a- return 0;
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: K( e0 B/ R V3 ~. c2 M- int main()- Q8 b+ f- J8 I+ |
- {
9 m0 R0 E+ K& R) ?" }3 @ - char c;+ O9 |1 h) H, r; |5 ]
- int i, macs[6];' S( t7 W, D |+ M1 d+ G
- unsigned char mac[6];+ z: _- T; Z1 Q! J- c# l
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)6 k$ a: _! X. Z! \* S4 Y+ V d
- return 1;4 t8 k2 B; i$ _6 n
- 7 i9 @& p3 L7 x. m
- printf("Current parameters: \n");0 f& U2 |# Y4 y8 l8 J; V. H( q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, X9 o0 T$ }: `/ ]3 \ - printf(" STBID: %s\n", stbid);
/ `: ~7 b! A0 r! E, o -
J/ x0 K) p/ c# E1 P( B4 c/ { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 m- @: I+ ~9 o3 e/ y - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! W0 H5 r1 Q' A: t' D1 q& q9 j
- printf("Input MAC error\n");. g% w' t( A" G7 D9 e" k U
- return 1;( E' [% L) g% G: g/ L
- }
6 \9 B, `7 m T* ^9 O' I! F - for (i=0; i<6; i++)mac[i] = macs[i];9 O# i, l2 C9 @+ h0 D9 s) ~. K
- printf("\nPlease input new STBID: ");, U+ r0 [' @7 F' _2 u
- scanf("%s", stbid);
' ~6 N K# z% T# a1 { - if (strlen(stbid) != 18) {
: ?* @) L, h5 Z" C, B' z - printf("Invalid stbid\n");
! F8 {3 m1 @$ x- T+ A& I1 S& Y - return 1;
0 O6 v* U" W( g7 R. a/ O - }/ u9 Z" |" Q1 O5 ?. T* Y* R
- printf("\nNew parameters: \n");
/ L) r! q1 s: F: N& X) K! G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( z) x6 `- o/ a% r3 B
- printf(" STBID: %s\n", stbid);
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2 {( [ P4 O, y" c7 f" ]- printf("\nDo you want to change paramemters? (y/N) ");
4 g i# {, q( ]1 ` - for (;;) {7 t0 H1 ~8 p1 c8 w5 A0 M
- c = getchar();
7 N% X6 ]" g4 x% s/ S - if (c == 'y' || c == 'Y')
- K [1 z7 q/ o, r - break;, B. ]0 t9 r$ d& S3 A+ G
- if (c == 'n' || c == 'N') {& \7 K! c( S- _. o3 N- y: X
- printf("\nAborted.\n");
! ~+ U( o" x% G! l- V& e( | - return 1;
% [& T1 h8 i" u) h: } - }3 _/ n) S) d9 z1 S; }
- }
; l/ d$ b. w ?7 R - if (writeparam(mac, stbid) == 0)
! F0 m4 u' N- l3 s' L9 |/ _; I - printf("Parameters changed.\n");8 L" W/ g% _% W1 p" ?
% i- P X% Z& ?- return 0;- p% k( I. G4 W' a; L
- }
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