本帖最后由 0522 于 2012-3-21 23:04 编辑 + m8 U9 L P8 K) [, g
4 k3 X& _, Y' V- F修改的代码早有了。到今天不会编译。* }7 o2 i+ \+ p2 _$ m( c1 o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; f. s: M( w. K/ t: Z& H+ `4 @2 g
- #include <malloc.h>* u5 `2 [- {5 g$ v* r+ n
- #include <sys/types.h>
, N1 P N/ ]8 A - #include <sys/stat.h>- ~6 T2 d! }; d r. A& e# `
- #include <sys/ioctl.h>
4 Y0 Y! E( W V. ] - #include <stdio.h>
% l6 @' K& a7 |6 x - #include <string.h>" Q$ P0 ?. D' N
$ L+ d/ \2 {; G8 V$ M: `4 Z- typedef struct {
1 L/ u# T8 p% k8 f - unsigned int e2prom_cmd_sub_addr;
# w: g. k f# }" \8 Q& x$ L% } - unsigned int sub_addr_count;
: G9 f k- W) C - unsigned char* e2prom_cmd_data;
1 H8 i( @1 ]; s3 d - unsigned int data_count;
8 x9 v0 ]2 v% y( B* s9 a: ~ - } e2prom_s_cmd;9 c a h, t0 u9 P8 I0 S0 ]
4 D+ g* Y# i- W4 y/ Y- #define E2PROM_CMD_READ 1
/ w D. A) }/ _ - #define E2PROM_CMD_WRITE 25 Q2 s' Q' L* W7 v6 c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 T/ G$ @ @* c9 A
' x. B9 e$ f) | G( E8 q- static int readparam(unsigned char *mac, unsigned char *stbid)2 W; y! r# S& X( v2 d
- {/ ~( g& N* [# z
- int fd, ret;5 T' V6 e( I' k( X6 }
- e2prom_s_cmd arg;
3 j" I Y: d9 D - unsigned char buf[0x18];2 N6 q; R0 I1 S0 H B
- - `* K; ^; y4 y& i$ {. Z( x
- fd = open(E2PROM_DEVICE, O_RDWR);3 g. t; @0 I7 H6 L8 u
- if (fd < 0) {
& C: r0 g! B' B' Q# P! n( d - printf("Device %s open error.\n", E2PROM_DEVICE);
+ M, C, _* o& p: i$ e - return -1;1 E" [: q8 B) n1 ]. [2 S, D: N
- }
0 `% h5 K) k, F, o - arg.sub_addr_count = 2;4 b5 X. M8 ]1 J1 @
- arg.data_count = 0x18;+ w$ Z. ~' G" \6 n1 _' c8 E9 V
- arg.e2prom_cmd_sub_addr = 0x290;0 Y: \! j3 l: h! F8 L* }+ ~
- arg.e2prom_cmd_data = buf;& D: j% }3 P0 u% p. }( C, s2 `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
O9 j. v' [6 O! @2 d2 n - if (ret != 0) {4 ^, P/ P1 C8 }
- printf("Device %s read error.\n", E2PROM_DEVICE);7 g. f. L! j/ o3 F* z, O" O. g
- return -1;! b- T1 C: r; G% l3 g' J- f9 _4 J, y; _/ [
- }" K3 D# i" y0 n. f" T% r
- memcpy(mac, buf, 6);3 r/ p; i3 Q, B6 K
- memcpy(stbid, &buf[6], 18);
# }6 Y, e% S& B* a& }9 m* [ - stbid[18] = '\0';
1 k4 O2 |6 C! P- a; z: S - * t5 Z4 f* d( S$ x
- return 0;! o7 P z' a( p9 m
- }& p, }* V7 P9 d
. `0 l; `' a6 V4 u8 N- static int writeparam(unsigned char *mac, unsigned char *stbid)2 b# S) ~1 C8 Y# {; y$ R
- {' @- x0 O. z# D. ~) \% f/ ?
- int fd, ret;- l7 w+ |% I! z& M1 G
- e2prom_s_cmd arg;6 i/ N; W; P# A0 Y) p& v0 b
- unsigned char buf[0x18];
2 _ E6 U {) | H6 X4 |4 K
' a! { N2 n: ^/ D; L( n) W" W- memcpy(buf, mac, 6);
6 h( L& Q' j3 T" C2 f - memcpy(&buf[6], stbid, 18);
/ r; O7 Q. K2 s8 x - fd = open(E2PROM_DEVICE, O_RDWR);
2 q O! W. }6 Y: t7 s) g- R - if (fd < 0) {
: G* q: ~0 \" E, C5 e - printf("Device %s open error.\n", E2PROM_DEVICE); q2 G& H# h9 V1 P* e# R
- return -1;
3 \6 E, z/ i+ ?3 G+ d* ?% d j - }. l) y5 G- h" d. e8 e: Y
- arg.sub_addr_count = 2;, l( ?! V/ D U# c3 V2 b
- arg.data_count = 0x18;
5 ^; A/ a# `3 Q - arg.e2prom_cmd_sub_addr = 0x290;
. d" `2 y* \6 e$ \/ U8 { - arg.e2prom_cmd_data = buf;$ y: [) s* {/ k$ v
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. k& J, q @6 B" L' ~* A - if (ret != 0) {- `1 I0 u* p4 F, z
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 f' g* [4 k( U& K - return -1; y9 o$ B: V9 M' H
- }
N/ l1 @; h9 V7 a! r- R3 [/ z# p
. G1 X+ ~0 I/ d- return 0;
* g, F5 i3 a# \! b/ e, O3 C - }
. _2 }4 M9 r# V
1 ]! [! \; L' _0 f2 u) `; S- int main()
- s5 H" X t+ E/ }" ?3 n7 d1 x - {
6 {& ^& a& q% x r- b - char c;, H6 D8 O+ {0 L7 `/ a3 t
- int i, macs[6];
/ [+ b# {; t6 o" z - unsigned char mac[6];
\$ Y* t" U( N6 I3 J5 M - unsigned char stbid[256];
( f9 q5 y0 {# x; \" c' H( u, ? - . h: {/ I c4 c+ C
- if (readparam(mac, stbid) < 0). ?( \/ U# l* s1 ]9 B4 l
- return 1;
/ x+ Q& K& O! K* U) f0 R - 1 Q0 ~" `6 \2 n8 f# Y/ \5 Q h; n
- printf("Current parameters: \n");0 b+ v' m, F& B: ?0 _9 B; A
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! ]3 @* N% _1 a+ Y) q. s
- printf(" STBID: %s\n", stbid);
& @* Z8 j0 u) y$ o; @% e O: P" A -
G( W; z- w( ]4 \# t* d - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; |) m& J) h* W% Y0 D) T/ x
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) B% {8 R* `6 |' A
- printf("Input MAC error\n");! p2 k. {' E3 B+ T
- return 1;* C! Y! l* a+ x( |' H/ N: {
- }
/ T% R$ I# ~- U - for (i=0; i<6; i++)mac[i] = macs[i];
% k6 k% X0 {! ~6 ^/ ?$ y$ z+ { - printf("\nPlease input new STBID: ");; x8 t; z! z% @8 ~- r$ G$ v, [
- scanf("%s", stbid);
8 |$ P9 w) j, E8 p1 [ V" \$ y0 B - if (strlen(stbid) != 18) {
+ Y1 l- P0 D' `9 {# `, m - printf("Invalid stbid\n");
/ V3 }& @# l' w I - return 1;
, x# C- u7 S) m% w - }
3 y& X* h' f( b. T; P - printf("\nNew parameters: \n");2 x; Y8 {: i' f) |$ l- |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 b! {. n, h, q! S0 c: g
- printf(" STBID: %s\n", stbid);
: J% W3 B" w* M7 y, J
' {" n! H' y: A' L- printf("\nDo you want to change paramemters? (y/N) ");
/ p$ G4 T- P( Z% b" \& j; {0 h - for (;;) {2 W, \1 l4 L* A U3 o0 g
- c = getchar();
# m- q2 ?! b0 W, d - if (c == 'y' || c == 'Y')3 {: Y& m. I3 j7 ^' c
- break;
8 M& O" ?, l2 ~* ~3 \+ N( [# H& q - if (c == 'n' || c == 'N') { D7 L; u _* J
- printf("\nAborted.\n");- u6 T9 Q3 K* J% m& W3 _
- return 1;# L' H4 F* z7 Q) m' t
- }
, A C0 K+ V6 `2 g - }2 P6 ]* d- F) A& o
- if (writeparam(mac, stbid) == 0)
5 k, u( K' b4 } - printf("Parameters changed.\n");
h* Q8 B+ j, I' o. W# G
* o( B( r+ n; @4 p i6 p5 |- return 0;, C1 k: l- k8 o: S3 c7 L2 @
- }
复制代码 |