本帖最后由 0522 于 2012-3-21 23:04 编辑 . d" f5 {5 D3 i4 q" Y: a
6 s! l! }! c2 t5 }修改的代码早有了。到今天不会编译。
6 G5 Y8 @4 e# a" ]" |' n3 L6 |- X需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- |8 G( M! M0 v2 x. w - #include <malloc.h>0 K" ]- _( n9 i. m) F
- #include <sys/types.h>) m; h5 p( e- k5 Q( q+ M
- #include <sys/stat.h>
# X# \9 {+ B; m! ?6 _ - #include <sys/ioctl.h>
/ m# N9 K" E9 M9 b$ E) N - #include <stdio.h>
( n$ A8 k6 m7 A8 |0 i - #include <string.h>9 A4 M; J5 Z+ Z; z6 H7 M" f
- 3 }: _& p+ l, r
- typedef struct {- t2 N7 k2 r% _% c5 w- H
- unsigned int e2prom_cmd_sub_addr;: _4 x% a: W& ~" A) `
- unsigned int sub_addr_count;7 S0 ], g1 {! P, n9 G$ J' A
- unsigned char* e2prom_cmd_data;' @8 u+ n' Z# z c/ t! u0 B: C8 Z. T
- unsigned int data_count;1 S( q+ Q- k. d
- } e2prom_s_cmd;
4 E4 h2 d& j7 }/ Y4 b" L& ? - n. e" C e; M, L! s
- #define E2PROM_CMD_READ 1
# B$ I5 t7 y8 E( [, H4 D, ~ - #define E2PROM_CMD_WRITE 2
) ]/ ]# h m/ I/ w' T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( h) G8 c5 N4 d: j
- ; A! G9 I3 k9 A, O7 d" d1 l
- static int readparam(unsigned char *mac, unsigned char *stbid)+ ]$ f, H* y+ J
- {
2 L! C! G7 ~4 f - int fd, ret;
Y1 x0 J/ D1 S V a( u) z - e2prom_s_cmd arg;8 J6 `9 {4 }# Z1 r& z" k8 x
- unsigned char buf[0x18];& X6 i) b" \- e
- 5 W N' z1 N3 z8 I+ a8 h* V: M
- fd = open(E2PROM_DEVICE, O_RDWR);3 V% F& k. i% O) {; l4 V- }+ b
- if (fd < 0) {1 O& E0 e4 [+ N
- printf("Device %s open error.\n", E2PROM_DEVICE);
* G# n* q. U6 x7 H - return -1;2 I2 t* {9 A& Q, J! F1 w7 K
- }
' w. T( z. o0 ]* I1 ] - arg.sub_addr_count = 2;8 @+ q" Y; S, S% m' @
- arg.data_count = 0x18;
, t5 L. p+ A# j* U# J" j! N$ P - arg.e2prom_cmd_sub_addr = 0x290;5 y* u4 Y% M/ }& _8 ^6 Z& Q7 t
- arg.e2prom_cmd_data = buf;1 l7 e$ d; k) s" P
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);, v/ H) L; }$ s
- if (ret != 0) {( o4 Q9 `; L+ ~5 G1 _, U
- printf("Device %s read error.\n", E2PROM_DEVICE);
$ a/ ^1 ?: H s# C: I - return -1;
% Z9 z! D+ f- b% }. g$ T2 X2 N! b) }; N - }
9 a$ ]4 @* p) d - memcpy(mac, buf, 6);
! ^9 G, \# A; X" D% y - memcpy(stbid, &buf[6], 18);9 J5 v, w$ e0 R; b6 ]% P2 m
- stbid[18] = '\0';
5 W4 W# `# v& k2 U - 3 A$ Y8 d; Y, M' d3 q2 W i! a
- return 0;+ y( v* @; [7 f2 \# Z$ E# \: w
- }
$ y( |6 y* ]; e$ S8 K
& S- H5 I/ a3 x) `* Z0 }3 Q- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 I! Y% J4 C% l+ w - {
( N3 H7 s- p5 l) \) {. N* n8 F# F7 } - int fd, ret;
+ e2 l6 G: p% v; y! k - e2prom_s_cmd arg;
! F1 G, T; B a7 x - unsigned char buf[0x18];3 g2 a4 E z% E+ }% _
$ C# g% v, h, e# m: Y- memcpy(buf, mac, 6);
; r9 R3 l- {7 Y/ ]8 E) Y - memcpy(&buf[6], stbid, 18);
1 U c: S1 e5 m - fd = open(E2PROM_DEVICE, O_RDWR);
+ Z2 {, I/ a) v) o/ r( a - if (fd < 0) {8 Y/ Z' k1 o: r' T- l$ V5 W7 V
- printf("Device %s open error.\n", E2PROM_DEVICE);( V( }5 r5 d$ u$ b
- return -1;
( W* x) _1 a1 n; ^, Y0 v1 c - }1 I7 [# q3 W2 i# j. D; q0 J
- arg.sub_addr_count = 2;: u0 J, b( d" {0 i8 e
- arg.data_count = 0x18;" C! K7 w3 }1 l; Q: O# |$ N0 S
- arg.e2prom_cmd_sub_addr = 0x290;: H1 s% m; O! p
- arg.e2prom_cmd_data = buf;4 h! \& j6 S& e
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
- M8 ]; t/ O1 q/ F/ s `+ O2 [ - if (ret != 0) {9 o' B( M5 R( w8 m: q; u' _
- printf("Device %s write error.\n", E2PROM_DEVICE);: t/ ^' n& y% x3 K5 k* d
- return -1;
0 b! O2 G% e3 P) B - }# Q, Z/ h: r+ E; b; n
- ! F4 k+ I& r# X
- return 0;2 i; w1 V7 e$ H( ^$ l
- }
; E9 o! f+ s: _& T! G( T5 o+ m a1 T% Y
7 I* ?1 k9 G) ^; C6 S: \# ?- int main()8 h' f% D' y, ]+ m2 a5 `4 j/ a8 M2 R
- {
. ^7 g/ f. j. ~) U0 ?8 Z/ { - char c;& u9 f8 F9 K h2 B1 i' \
- int i, macs[6];
9 {( f! h/ m7 d- x' J, [# z - unsigned char mac[6];0 v; r+ ?2 Z0 Q5 g, b1 X
- unsigned char stbid[256];( k& v$ r2 K! E: h: \, S: r0 P
! i4 U4 r" m3 p' t- b+ h& [- if (readparam(mac, stbid) < 0)
0 c5 v3 N3 C2 I# ` - return 1;
* A/ W5 I- o) {' }2 m# l - 2 `0 d# t K1 [- y7 n& ]
- printf("Current parameters: \n");. P& G+ M" w! @# Y S' k4 i- f6 ^# K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 G8 v( h0 ~' y8 r; c5 r - printf(" STBID: %s\n", stbid);
( Z0 Y4 ]- n7 @5 V -
) g4 h/ T) O3 ^7 r" j - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");5 U. C5 G8 i. h, c' {# b/ @5 a
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: {2 ^" A, b. {2 A# m3 D - printf("Input MAC error\n");
, k0 `8 D! t" t, E. r$ A - return 1;( n4 R6 K0 u' z/ j' h. D% a& S- ?) ]
- }
+ ~ R+ l3 g! [1 { - for (i=0; i<6; i++)mac[i] = macs[i];
. f6 x- \4 B5 `/ h; Z( E, z - printf("\nPlease input new STBID: ");
0 W6 y: R- e5 `0 g, ^ - scanf("%s", stbid);5 e) b& U; I! U. `; e
- if (strlen(stbid) != 18) {
; O: m# U5 h; F3 z- U" ~; T8 b: x4 t - printf("Invalid stbid\n");7 | [6 C$ i- u7 Z3 D
- return 1;6 b( k2 y- s5 u; n' O* x
- }
/ S% B3 r. O8 j. I - printf("\nNew parameters: \n");0 U7 C9 z7 Y q( e& r, ?9 p# j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" k- k" _! G0 i8 U' P - printf(" STBID: %s\n", stbid);
# J* a. V, n% U* H# J
0 A& \- u3 y+ r- printf("\nDo you want to change paramemters? (y/N) ");: B( j+ h5 ^' o/ r# ?
- for (;;) {
; h0 p# z- @( y( n: @# }7 y - c = getchar();; \% c& J# ^, D( H; X
- if (c == 'y' || c == 'Y')
; P8 M7 @6 ^9 w' V - break;5 A) v/ J9 e* ?* ?
- if (c == 'n' || c == 'N') {
8 F8 v. N+ N) c9 H, e - printf("\nAborted.\n");$ W+ [0 @ a1 ^' p1 ^2 Y2 c+ A, H
- return 1;
' \* \/ S4 b8 E/ F n' o; X3 S - }
- L# b1 _4 m; u) A/ w+ s - }9 {) t4 I* ~( m+ y! ~
- if (writeparam(mac, stbid) == 0)
+ f4 K4 P H% F - printf("Parameters changed.\n");
6 J% w+ b6 h: L
) s# O+ s X x* ^- return 0;
0 G. B# b1 ^" G$ z - }
复制代码 |