本帖最后由 0522 于 2012-3-21 23:04 编辑 & h; k, M* |9 B, t0 M
& L! ^( @% f9 o# H修改的代码早有了。到今天不会编译。
, p% N& | [* n* D. p5 u4 |. }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! o, ^1 {7 x( a% \) C9 _9 L R
- #include <malloc.h>& `) w; i/ e; n) K" {. J* H
- #include <sys/types.h>4 e: ^2 H- M% r2 v9 `8 x: ^
- #include <sys/stat.h>
3 x6 B' C( M/ R! n3 ] - #include <sys/ioctl.h>% l, P3 S m! X& n
- #include <stdio.h>. h5 U$ J0 Y6 G3 M I: F7 f
- #include <string.h>3 Z8 [+ [& C# n5 @) ^( b
- ' N& ^) o* @/ L5 {
- typedef struct {
: i! X& a \4 q7 d$ B! X X9 ] - unsigned int e2prom_cmd_sub_addr;
9 X% s( M( W& x! N! v - unsigned int sub_addr_count;' k2 ?( f% I8 i2 U! n' I `/ i2 ~
- unsigned char* e2prom_cmd_data;$ Y0 e- X5 _2 ~6 Z3 l" s- \: N
- unsigned int data_count;# B1 C. ^/ l& ]; a
- } e2prom_s_cmd;% o: p* \$ Z7 y: \7 @6 ^4 q$ m4 s
- : \& @& s1 N$ @. Y/ a6 k
- #define E2PROM_CMD_READ 1' {) S; Y! ~3 q9 ~' v
- #define E2PROM_CMD_WRITE 2
+ \" A0 n& a. X% ]+ s* z5 i- e - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
: I0 S; X8 o! B6 J( s& M - ' N H, o3 Q% K6 ]
- static int readparam(unsigned char *mac, unsigned char *stbid), y& c+ i3 U- U' t; N3 ~
- {
8 ~2 R' Z0 q/ N+ B - int fd, ret;5 h5 ^- r' U/ m
- e2prom_s_cmd arg;
+ T& u7 g* W% B, o: z" V: t" s - unsigned char buf[0x18];7 @+ L* r* x- J6 i
- 8 r. _; V9 d/ Q( p" Q5 }2 R5 e
- fd = open(E2PROM_DEVICE, O_RDWR);
! ]2 t% o; J* f* C$ z1 Q - if (fd < 0) {
$ R* e# y6 Y' I; r4 }% j - printf("Device %s open error.\n", E2PROM_DEVICE);
/ m2 n+ y% d% J# y! f% l t - return -1;- T2 s5 v9 P: Q+ }6 l3 Y& }
- }9 @, n- m+ g/ W. P, f
- arg.sub_addr_count = 2;% ]: n. p3 I5 z8 Y
- arg.data_count = 0x18;# @# T& |6 ]5 H" w# h/ y
- arg.e2prom_cmd_sub_addr = 0x290;
: H3 J" y( ~" ` - arg.e2prom_cmd_data = buf;
+ F% S* N; H6 W) U% x3 @ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) R9 r9 h* `5 e( C+ g) Y
- if (ret != 0) {# c p9 J* K: A# \
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 t$ n7 m; K5 ]1 x7 g2 B! A - return -1;
" M8 A' N, O% G' ]& Q4 X" X - }' D! Z' C( n8 o0 c- Z8 D1 [- k- H
- memcpy(mac, buf, 6);/ k3 I& u( U6 G7 ~: o
- memcpy(stbid, &buf[6], 18);# H: c) e5 ]" m! g. w1 G5 U5 O
- stbid[18] = '\0';
1 M+ x$ a. A. {
& H/ [7 o: n; b6 u7 T8 p% P# ~- return 0; x% r$ N* B% t& A- V0 _
- }
% Q4 S+ x. {, u1 | - ; @4 P) j& e2 c" ~- \0 ^
- static int writeparam(unsigned char *mac, unsigned char *stbid)# ]( ]0 X9 @1 v5 q
- {
( h. Y6 {2 ?( a" d$ N& E - int fd, ret;
5 h6 y$ Q' [4 O- p8 o, z2 [ - e2prom_s_cmd arg;
9 ?5 G1 ~. u, k- ]& R, ^ - unsigned char buf[0x18];8 N* N8 d( |+ o% X. m* g7 J
- & E* a" D0 j( f0 q' B" r) h5 f4 U
- memcpy(buf, mac, 6);2 }$ w6 d6 L) s6 B8 k7 R, d
- memcpy(&buf[6], stbid, 18);6 g" b( Q+ h2 W8 V% k/ z
- fd = open(E2PROM_DEVICE, O_RDWR);4 W6 o, O& C. j, l9 U
- if (fd < 0) {
- J- T# h' l9 C3 b9 D9 z - printf("Device %s open error.\n", E2PROM_DEVICE);
5 d% M, \" x/ Q+ _5 G' Z - return -1;
2 ~4 w( j( Z8 q& o! U - }+ x* A2 M! Y" X
- arg.sub_addr_count = 2;
+ D8 r: U& Q0 v' S Y1 _3 h - arg.data_count = 0x18;& d7 r/ j6 k$ p" `( M* C! a
- arg.e2prom_cmd_sub_addr = 0x290;
/ } m8 @2 f' X5 ^ j' V - arg.e2prom_cmd_data = buf;
: n) }8 C1 \5 Q) P8 d) Y5 ^' ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
) i' c* J; h- W0 t3 \; _! }% C } - if (ret != 0) {
5 y1 `, b0 {2 X0 H5 _ - printf("Device %s write error.\n", E2PROM_DEVICE);( m# b; c* Y S3 Q" n& `
- return -1;3 k; Q' K; g8 w1 x+ s/ N. x
- }
( a$ [0 n6 e& c0 B& x/ d/ I, U
6 A0 H" H4 x: ?3 ?- return 0;
0 e* K) b. X- z8 k9 v5 q - }5 l3 s, u- Y6 q3 L
- 4 l, |( `1 u5 J: Y( W
- int main()
- {; x- j9 m2 s - {' Z) w' c' n- w* F" W
- char c;! t: W) A: `! b, `9 x0 E0 G
- int i, macs[6];/ u! h4 w2 K: x8 V
- unsigned char mac[6];
9 w7 g6 c7 \; w, Q* Q; Q' }! Z - unsigned char stbid[256];" M k! X0 j% k/ k, b
! P( W% {3 a3 H- if (readparam(mac, stbid) < 0)
! B3 j5 h4 m/ P7 t. \: _ - return 1;) @" w9 C2 T: ?9 R6 z5 f
1 ?% ?' l" ^2 L, K- printf("Current parameters: \n");
7 P0 |* c3 ]; N8 [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# }' N3 Y5 [& b J5 @ - printf(" STBID: %s\n", stbid);8 p* F% V+ O- U1 b: B- |5 W
- * G- S# z' o- e. x$ p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");+ c L) r; @* `6 T& P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
$ w j- R# W/ } - printf("Input MAC error\n");
& \% g* _; I W' C6 Y8 ]) |+ l - return 1;4 @8 R) t3 Z) V
- }8 h2 F% _" M7 u* _0 ]& c
- for (i=0; i<6; i++)mac[i] = macs[i];7 _' B& E# m1 {. r6 h
- printf("\nPlease input new STBID: ");% z9 |# x: A' i. s3 r
- scanf("%s", stbid);
4 w1 G \* c: E1 a - if (strlen(stbid) != 18) {0 O) }( M9 s5 ~; J
- printf("Invalid stbid\n");
( x+ |! {2 V9 G* ] - return 1;/ Z$ _$ Z9 [$ Z) o* e
- }5 g" Q4 d1 Y: P- x% e' I& X0 @5 t
- printf("\nNew parameters: \n");
2 U& s4 O9 K) R' D* B% h1 q# b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! J" x5 F# X/ W2 n( k+ p4 ~ - printf(" STBID: %s\n", stbid);5 o f* R; d- x6 Q/ F* ?
, b( y3 R [) z3 W( ]- printf("\nDo you want to change paramemters? (y/N) ");, L6 e+ m5 ], l
- for (;;) {+ |+ L- [2 R% `2 o3 u+ L2 W
- c = getchar();
l g7 M4 W6 J - if (c == 'y' || c == 'Y')
' }9 V# ^% n( N" m* K/ W9 [1 m - break;5 N* `7 ?6 s5 }" D
- if (c == 'n' || c == 'N') {
4 x6 s% Y' v8 f8 b5 }' S - printf("\nAborted.\n");! o, G0 ]! b' Q5 ]& R( k
- return 1;0 y8 J- Q3 G* W# a3 w: d) ?$ ~
- }+ K+ U& q' y. Z7 T4 g
- }
0 H# U# S% D5 b: k# b9 G- b5 G7 G- Q( e - if (writeparam(mac, stbid) == 0) + u- K7 L& o( G6 k* z% o9 S
- printf("Parameters changed.\n");
. j2 f5 H6 z/ o
5 ^$ j/ E7 N% n" y: Y3 W7 C- }) U Z- return 0;
/ @7 t: O% A- c7 g. \% ^ - }
复制代码 |