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。* E4 X" Z8 g, I; y8 g
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ Q: L. m% z+ d% n2 b/ B
- #include <malloc.h>0 a- k! B6 N: }
- #include <sys/types.h>
/ V- _: Z! B% d/ J* x0 f, t - #include <sys/stat.h>8 [$ }" W6 i6 E/ m5 A6 s4 C/ f
- #include <sys/ioctl.h>
1 m% R# r; A! Y - #include <stdio.h>7 E' T4 |9 ^0 M
- #include <string.h>9 [" w% a7 l, G. D" c- g3 p
- l* `9 i. b2 U1 b5 k8 t8 a7 x
- typedef struct {% `' h+ @) F! ~" b" `- V- ]
- unsigned int e2prom_cmd_sub_addr;! {9 |1 ?3 h0 R1 d L' [
- unsigned int sub_addr_count;$ Q; ]: y4 r7 s7 p* b$ \
- unsigned char* e2prom_cmd_data;
+ h5 b3 T, ~$ i6 k: N# | - unsigned int data_count;
* S) u" |: I3 g& l$ n - } e2prom_s_cmd;! a9 i d4 e2 n. p+ c+ k# Q T
3 C- g0 d8 I2 c8 s& ~) n8 I: u- #define E2PROM_CMD_READ 1: K% v; z) v) G0 I: ]' s6 m R
- #define E2PROM_CMD_WRITE 2
$ D0 G% b# H# i9 w% S/ E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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+ N: K) W1 E3 }4 `- static int readparam(unsigned char *mac, unsigned char *stbid)6 s9 p S) _! r. F9 T4 b7 L
- {- a* O) S2 H5 H' {1 W- ^$ O
- int fd, ret;' g3 s( s' x5 }( T+ H
- e2prom_s_cmd arg;9 A, ~7 j4 e, L* \# y2 d5 b+ n
- unsigned char buf[0x18];' U. c+ S, b. k* n0 `; T
- ' e2 H* P- U# X" j# U7 n* q
- fd = open(E2PROM_DEVICE, O_RDWR);
9 p+ M2 L+ \; [ - if (fd < 0) {
. R* O9 A( V9 V e5 j - printf("Device %s open error.\n", E2PROM_DEVICE);* p- w& x4 _! l2 T0 h
- return -1;
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- arg.sub_addr_count = 2;, H1 F* C% }: ?5 ?/ m
- arg.data_count = 0x18;
& K8 k1 H% s, _' D- A6 | - arg.e2prom_cmd_sub_addr = 0x290;
9 ] z6 m( M& t9 q% Q - arg.e2prom_cmd_data = buf;
4 n6 M/ V: I, G - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ P8 x5 \+ ]& A( B, G# o/ D3 r - if (ret != 0) {0 u7 O V) p' M* q) M8 p$ e
- printf("Device %s read error.\n", E2PROM_DEVICE);
3 D: ~6 y9 @6 W6 _1 ^# C - return -1;
& x( g- @9 Z8 v9 X - }
1 R- H g, J: M - memcpy(mac, buf, 6);
, H3 a. v# k4 Z - memcpy(stbid, &buf[6], 18);& T" A1 z$ w8 x& d
- stbid[18] = '\0';
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& v8 g# q1 A+ h C3 y% Q- return 0;- q! w$ @, y7 d) n" M
- }
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9 `2 M9 B' H2 n9 `8 O/ U0 b) a- static int writeparam(unsigned char *mac, unsigned char *stbid)* a+ Y1 C& S* U$ r; V# [
- {3 S5 Q9 x; ], q* V( l
- int fd, ret;
( H# `0 Y7 C b+ N# w+ L - e2prom_s_cmd arg;! A' Y" w; T$ i; x: d! o: U
- unsigned char buf[0x18];" @: Q* a0 l* F" D& }6 x
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- memcpy(buf, mac, 6);
o A* ]; V9 h6 ^# g( r" b' N - memcpy(&buf[6], stbid, 18);9 I9 N6 E3 @) o) d4 r/ r8 O
- fd = open(E2PROM_DEVICE, O_RDWR);5 r. T. r9 d1 c* O7 t8 _
- if (fd < 0) {
" `% B2 O+ y; ~+ ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
" N4 B0 }7 c5 v) ] - return -1;
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- arg.sub_addr_count = 2;7 J0 C6 L; p! W& {- A: A
- arg.data_count = 0x18;
$ k, o3 _% V' K% _* X! t5 w - arg.e2prom_cmd_sub_addr = 0x290;
+ b; {9 z5 L9 L# q; U - arg.e2prom_cmd_data = buf;
8 I6 G7 R2 Z6 y* K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 \ V- M; R+ P- }8 r. X - if (ret != 0) {! V" s8 a% Q: g9 F2 \( m
- printf("Device %s write error.\n", E2PROM_DEVICE);
; b5 x4 h; c& M - return -1;$ W& S. _& E% t8 u2 J2 W
- }4 `4 U5 c8 U- e1 `1 p% Y& ]
- & k0 d7 W9 w: A9 ]; R8 S0 L
- return 0;
# o2 m; w* V4 u6 h c8 L- w - }
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2 U: U* [1 h0 c! i/ J- int main()* L( g: W+ I9 W5 X0 D9 E7 m/ m
- {
' y6 M8 Q4 r% g( x& J' N - char c;5 Y( w1 E+ R6 i# O4 Y- s
- int i, macs[6];# j$ p% d, E. \. L4 f
- unsigned char mac[6];
( S3 x U w! I' \; h) L9 u - unsigned char stbid[256];6 w7 P* l9 D! y4 b
7 |: M2 q/ f0 C9 i- if (readparam(mac, stbid) < 0)
: v$ c: f: y+ z$ \; V2 R" D7 r! h - return 1;
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% n0 V* y; S+ b1 b+ O- printf("Current parameters: \n");: q+ z; u# ]: z6 r1 I2 E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; r/ j2 |1 M2 F- u2 h4 m! v - printf(" STBID: %s\n", stbid);8 i$ S& m) g0 M, A
- . D6 J' ~+ C. _4 O- l0 E# R" M
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); s C5 B* Y+ i( i* z9 ^7 j n- {
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: j2 G9 t9 [; p, z0 z - printf("Input MAC error\n");
( ], z, a9 H- j6 @; H - return 1;3 V; Q( V0 C5 [0 \
- }
9 ^; v+ J* S- F8 g4 F - for (i=0; i<6; i++)mac[i] = macs[i];
9 Y. e7 X5 `* J- f! R, {$ _ - printf("\nPlease input new STBID: ");: h6 ` _! _% `2 b
- scanf("%s", stbid);
) I/ K# G& N+ i9 w$ W* M - if (strlen(stbid) != 18) {
' b6 `: {$ c0 i: F$ g+ R' Q - printf("Invalid stbid\n");
6 p. F+ \2 h9 m! m - return 1;
5 x# X0 o8 N' U+ `, V2 G - }' l7 _$ m9 ?+ D I& L+ y8 }
- printf("\nNew parameters: \n"); P: C" q# M8 |/ o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: {8 _, J+ p4 P/ `) V& K/ M& t m - printf(" STBID: %s\n", stbid);: G2 ]6 V8 T* W( j5 W- v" _
$ v" X' p. e7 i O9 d- printf("\nDo you want to change paramemters? (y/N) ");
& o0 j) d4 s+ Q, J - for (;;) {* f- R. w% n3 O \; @
- c = getchar();+ b- U, x* L5 q) q) D9 Q# o. ^
- if (c == 'y' || c == 'Y')
$ N, M" n& z3 f2 z - break;! q/ r* [+ V! o( s% _
- if (c == 'n' || c == 'N') {
# @, z( g3 r l! K - printf("\nAborted.\n");4 k1 N5 N3 H2 d% S' l U* N$ [, Z
- return 1;3 |% z9 ^' `# N1 v4 b; A* C4 c
- }- r0 p/ \+ }0 Y
- }7 |! P+ p( ?$ Y% A- q; u7 F
- if (writeparam(mac, stbid) == 0) ! J: E# m' z7 |1 @/ S, E. m
- printf("Parameters changed.\n");
- ~* }( I3 m' c: {! }! f* i
0 M: _" @9 i" l8 q5 ]7 b- return 0;1 E% m4 @6 i8 ]4 ?) t! i
- }
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