本帖最后由 0522 于 2012-3-21 23:04 编辑
1 p9 a6 H# G0 m) L
( m( P4 @$ f! \. M! J% C$ G: K修改的代码早有了。到今天不会编译。
3 {" A% [# s$ n- B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 e, T p7 Y4 t! i - #include <malloc.h>
6 ?* V+ F2 h8 D" v9 G - #include <sys/types.h>, x0 s1 n5 M5 {; x
- #include <sys/stat.h>7 _6 P- J" Z2 E0 ?2 D, Q
- #include <sys/ioctl.h>
7 ^. h# \( o9 A& W; L; f& Y - #include <stdio.h>5 Z. ^* s% ]/ Z' M+ T
- #include <string.h>
# k0 P9 J+ R) s
' F. u- `% b% z O: f3 j+ Y- typedef struct {5 b! s/ Y* }1 C' k% E |
- unsigned int e2prom_cmd_sub_addr;
2 ^( t |' U& {' f/ u! b - unsigned int sub_addr_count;. K8 p- {8 j& k* ?/ ?1 Q/ m0 Z
- unsigned char* e2prom_cmd_data;
' A8 c. j5 L: k/ @+ B - unsigned int data_count;( a: D" |" [ N6 E3 C1 I" n
- } e2prom_s_cmd;
# m: l2 l1 \/ p* r. W9 \ - 7 T* [* u2 L4 K/ W8 Z
- #define E2PROM_CMD_READ 16 c; k4 l/ ?/ f _2 K; U
- #define E2PROM_CMD_WRITE 2! W4 o6 Y3 h) c' ^: Q3 H# ]/ @7 v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
7 `$ ~8 n4 T# j8 ~5 M% O
* o7 O& K4 I& K( k- static int readparam(unsigned char *mac, unsigned char *stbid)
0 W# C N: q& q) G1 s - {
( e" \/ A: e) Z6 y - int fd, ret;
" H: M5 P( ?6 q% a6 a6 \; o! A - e2prom_s_cmd arg;5 C" U& R8 ?) j
- unsigned char buf[0x18];
$ r& ^6 f, [& i. K2 x - / p9 i6 \3 s9 c6 b
- fd = open(E2PROM_DEVICE, O_RDWR);0 I$ b. ~% ]. k! s5 ]: }, J6 D
- if (fd < 0) {4 o$ p% K& X! }9 N6 l/ J7 m
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ E6 \ k8 V3 X& T - return -1;) v* Z" W. L6 {
- }( t2 H& z6 Z1 M% E. g: r# Z) T" E! Q
- arg.sub_addr_count = 2;" A3 _( s* L3 D4 j- s# H. t
- arg.data_count = 0x18;) q9 d* w% y4 J4 H, k) {5 O a
- arg.e2prom_cmd_sub_addr = 0x290;
' r u1 E) x( I V9 F! l - arg.e2prom_cmd_data = buf;, h. X `8 |& h
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 m2 D& z5 H) ~& `3 B, e0 Q
- if (ret != 0) {6 E: _& j! Z4 |& W# u
- printf("Device %s read error.\n", E2PROM_DEVICE);4 L# { y- j9 o9 _# F' o' K
- return -1;- p$ w0 @1 ]" v! G
- }
0 k D! R7 L+ @1 O - memcpy(mac, buf, 6);" _+ X+ K9 ]2 u- C
- memcpy(stbid, &buf[6], 18);# F% m8 k1 x& U, @# }- \9 @
- stbid[18] = '\0';
0 E+ f+ \2 i! J8 G( }: A3 U. R4 J! Y
& C2 M0 s$ c2 W' r" m' r/ u- return 0;' [6 T! }( ]) f! t, P1 Q& ?" S+ ~- X
- }7 g2 N) f- U) ^$ v
4 l( [* m) t! ]- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 ^% _* Y7 d' _+ B; V9 k+ Y - {
E, P* J- G$ o# F" y - int fd, ret;
, k4 E/ @4 g0 ?. [4 e0 w - e2prom_s_cmd arg;; l5 L& p& I+ s: p! D9 \4 J
- unsigned char buf[0x18];
1 P4 \8 o& |; K! r4 J6 d
K- F& C' ~ n7 U. H7 q, k" {- memcpy(buf, mac, 6);. X9 Y d( p# `
- memcpy(&buf[6], stbid, 18);
+ f/ I5 n9 f H/ k& y) d% ] - fd = open(E2PROM_DEVICE, O_RDWR);
% \. a4 G- M9 K6 X& y4 S - if (fd < 0) { |( H; ]% Q6 _
- printf("Device %s open error.\n", E2PROM_DEVICE);% K1 _7 C% S* ?9 H) o3 h
- return -1;
. x) T5 E r+ c& ~, \ - }7 ]- _. \4 g5 J
- arg.sub_addr_count = 2;- h. ?+ Q2 D1 U, v: g0 G
- arg.data_count = 0x18;, n" I2 }- l/ ^9 J. U+ P
- arg.e2prom_cmd_sub_addr = 0x290;% P' v( b6 a( B* K
- arg.e2prom_cmd_data = buf;
" l0 V0 x0 n, V3 B3 ^: b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* ~" s* Q2 F* R/ _; b+ a2 S% h# r - if (ret != 0) {( [& z; J1 G- k# B) c7 s3 y
- printf("Device %s write error.\n", E2PROM_DEVICE);
4 V7 l$ h+ p0 }6 N - return -1;
7 P, {8 f5 Y. y - }
0 }8 I6 q0 n; {' F' W$ { - ! j! l! j. G5 O) [3 N$ f; q4 V* w
- return 0;
( l3 n6 N" g0 k' ~# A) C - }
3 }# I. H2 J; [* J3 w - ) x! O6 c# @) C9 ^
- int main()
, f1 ~( E; t3 X) ?8 l* U1 R - {
. u! `7 A1 e/ \7 o& z l; a' @9 v - char c; f5 x6 n5 _+ a' y) b
- int i, macs[6];
" b; Z; S# X( R2 s& n - unsigned char mac[6];
X# G: |* K1 i: Z9 C) u2 E& G6 X( l% W - unsigned char stbid[256];2 t9 V2 G' {; v6 N7 i6 l
- # r0 Y' x& ?5 W- ]% b2 t
- if (readparam(mac, stbid) < 0)/ m5 I! c2 e, f
- return 1;/ U3 U$ s2 M& x! a
, ^) O5 h* t! b" W2 s5 d- [) e+ J- printf("Current parameters: \n");
/ ?* G" L5 j' L7 V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) \ o; }6 x# G" @
- printf(" STBID: %s\n", stbid);2 h7 @! e1 {6 H$ y" p* k! {/ O5 ]
-
/ i8 M( x# O" D( q8 G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 n3 D, e$ Y8 _3 j0 P- S3 [+ O9 e# I - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 o5 \. F( k. |( W; w$ M - printf("Input MAC error\n");
( i. f) I$ X [0 g1 w1 r, g4 j e - return 1;' E* r" i: K& X; L$ b! }
- }
3 B$ K5 l W' @ l - for (i=0; i<6; i++)mac[i] = macs[i];& o7 W+ g `4 O. P6 F
- printf("\nPlease input new STBID: ");
% {% [ K' e# i9 v: z+ r - scanf("%s", stbid);
' l1 v; X* r q# q" `+ y - if (strlen(stbid) != 18) { s O f/ U% O) N
- printf("Invalid stbid\n");
. l% @" d$ B$ v$ T8 O4 T - return 1;
- E4 V0 j, `5 ^ - }1 U5 f( X/ r# Q' b
- printf("\nNew parameters: \n");+ {" l, ]+ _" k* H1 z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 t/ H( n- h9 U" _
- printf(" STBID: %s\n", stbid);4 V; P/ T ^& r) O. R. G& S1 X
- ) t" T3 J0 d, U X' E1 B
- printf("\nDo you want to change paramemters? (y/N) ");. w2 {; u* S: V- a, w# D% T
- for (;;) {0 R& N/ N6 r0 l6 ~
- c = getchar();: \9 L/ }3 x# W" Q" e
- if (c == 'y' || c == 'Y')! `( c7 J7 D) W9 K4 l
- break;
/ ~0 B/ D: o/ w' A3 L+ \5 X. O - if (c == 'n' || c == 'N') {- u; Q: z7 J& s6 p
- printf("\nAborted.\n");. y9 ^" Z, d4 x J; A: V, o1 a" L
- return 1;* j' E* I2 |* e& A: r
- }
, k; }$ b a( T* f9 {, K5 D - }
0 w9 Y0 A/ |" H4 c3 p/ u: } - if (writeparam(mac, stbid) == 0) 9 @2 G8 g/ T% [, c# `
- printf("Parameters changed.\n");: _* d& h* d8 F/ E3 T
: S+ m, g8 }- j3 D# f- return 0;
! O) Q8 G- r9 t* H/ N: ]+ h/ k - }
复制代码 |