本帖最后由 0522 于 2012-3-21 23:04 编辑
9 D6 J9 D& V( A. c
+ P' M2 G) U; h+ }3 _修改的代码早有了。到今天不会编译。1 E, V% ]# u( g* `% j
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
! K; c9 Q7 L$ R - #include <malloc.h>- g' f6 \- k# g9 [
- #include <sys/types.h>, \) f$ b" [. L9 }' ]" I+ Z" r, n
- #include <sys/stat.h>
' I% @& k6 u9 W$ b - #include <sys/ioctl.h>
( D" t/ r9 w3 z, E; x - #include <stdio.h>- y. g" }- S- K( f
- #include <string.h>
5 c' x. x& s, }" j - h7 l6 c0 k$ |) C4 D# ?3 @
- typedef struct {
; X+ ?* H; t% F3 c+ h# r - unsigned int e2prom_cmd_sub_addr;0 Q% V7 h3 ?" A. ]3 q/ U) o
- unsigned int sub_addr_count;
) P( i5 v! }) @% g6 ` - unsigned char* e2prom_cmd_data;- D( m( v m( u
- unsigned int data_count;
- K7 S' a' h) J5 X% A - } e2prom_s_cmd;
1 E$ k! L/ N5 T/ N - $ ^( h/ V4 m; m7 ?3 P
- #define E2PROM_CMD_READ 1
: Z7 Y6 `" Y, W$ Q2 w - #define E2PROM_CMD_WRITE 2
+ l! Y; m& E: d# p. m6 L( B }+ \" b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". x: K5 R+ k9 ]# S) g- V) W2 i2 e
- " u& K" N* t, U! O& R) q
- static int readparam(unsigned char *mac, unsigned char *stbid)' ]1 a, \0 p1 H' p/ ?4 k
- {
; z2 n3 ?8 R8 c - int fd, ret;
, J$ {$ U4 `) S1 k- `- i F - e2prom_s_cmd arg;
2 S( j; A5 u+ s: B& Z Z& O - unsigned char buf[0x18];
/ s1 w$ I" x/ s$ t9 @5 e+ x
5 X4 E6 p3 d8 t- fd = open(E2PROM_DEVICE, O_RDWR);6 r8 Z) K. p; S [
- if (fd < 0) {! m" B3 H, Q3 q) R+ O6 T
- printf("Device %s open error.\n", E2PROM_DEVICE);
" L+ ~' T0 C: _) Q - return -1;
6 l& y$ \: @# \5 x! A/ ]; C - }2 k3 Y& x+ d- K$ L# `
- arg.sub_addr_count = 2;# a" k# \& y; a$ f; H
- arg.data_count = 0x18;, Q1 g5 z- w9 D
- arg.e2prom_cmd_sub_addr = 0x290;9 F+ G# e3 _( ]( l, ?* z5 f" r
- arg.e2prom_cmd_data = buf;) v7 I( I( {; q3 ^
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 p! I+ V( ^. \1 n9 n9 ^% t - if (ret != 0) {1 {- E/ r/ \5 q/ V* @
- printf("Device %s read error.\n", E2PROM_DEVICE);
: g1 @8 C: C8 O, H: ?% ` - return -1;
l5 }5 ?$ T+ Z' }* Q. G" X# s! l - }( X" A: W! j/ Y& }3 G
- memcpy(mac, buf, 6);
# E, Q+ O) U0 K; s) b - memcpy(stbid, &buf[6], 18);
5 R0 Q& ^$ K/ D - stbid[18] = '\0';
2 t, o. o4 x+ f8 v- E
+ X5 Z- n8 M& V- return 0;2 o" b; d" k& k2 D
- }
+ b/ P# e3 ?; U3 W. N+ m
0 B9 O- g& x$ I- static int writeparam(unsigned char *mac, unsigned char *stbid)/ S) v$ p/ i7 X! M7 P$ N
- { A9 X2 p5 a$ R) t' A# X
- int fd, ret;
) Z' T1 ~; H& x. x, T# w' Y - e2prom_s_cmd arg;
4 o( @" [9 ]& j V% P# ? - unsigned char buf[0x18];2 I5 I3 {2 L# e) m
& b$ S& h! y" N" B- memcpy(buf, mac, 6);
$ H" I$ E# S: _1 T- Q$ A - memcpy(&buf[6], stbid, 18);$ ?* P3 {2 f% [8 m% ?
- fd = open(E2PROM_DEVICE, O_RDWR);: E/ [5 ]/ e3 J' r# Q1 Z+ B
- if (fd < 0) {7 p8 X3 d- ]6 Y0 }) \
- printf("Device %s open error.\n", E2PROM_DEVICE);/ e5 P$ \% ?" n7 t
- return -1;
z7 b- a/ P w* {! r6 L - }
/ D4 T* Y- @$ ?+ l3 R/ a7 I6 U+ Z - arg.sub_addr_count = 2;
9 p G# y' c: s f9 U% U) e - arg.data_count = 0x18;
4 q- f' P) j1 K/ l! F# l- X - arg.e2prom_cmd_sub_addr = 0x290;0 i0 Z% X+ T7 A+ m
- arg.e2prom_cmd_data = buf;
, N0 H8 [& w3 K. y) B/ P - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" d2 J8 T' y, _- G
- if (ret != 0) {
# W' ?% {, z0 y* b7 k - printf("Device %s write error.\n", E2PROM_DEVICE);+ W( A' `6 i# H4 `9 p9 o
- return -1;
& J+ a' S* h" x0 H7 k! J/ Y - }) U4 B5 _) T, ?* S
3 u4 g8 P1 D9 y2 a; O h; G- return 0;
8 k' N6 V$ [4 D0 q3 l# q! W - }4 ?/ \' \3 z0 x# m
- , |) M$ n3 ~/ s8 c9 H
- int main()8 }8 x7 n4 i+ R i5 j
- {
- i0 G( ~& B ^7 B - char c;
8 S: J3 L2 o# F/ N& L' E; a - int i, macs[6];9 {% }. q% a- u- w
- unsigned char mac[6];
/ D8 B3 b; f Z, s( Z( e - unsigned char stbid[256];* ?& D2 I, g5 t- R s; I- y5 H n
( W3 ?3 j1 E- S0 g$ O- if (readparam(mac, stbid) < 0)
" h4 ~$ z( \* I* Z* I - return 1;1 [) q7 Z, g! L/ ?- i7 o" S
: @% i" Y. I: F' U) Z+ _- printf("Current parameters: \n");
7 i8 c: C z. `% c9 ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( ^7 ?& I5 }$ T. ]2 n# @ - printf(" STBID: %s\n", stbid);, v# p& D# N6 t
-
9 O9 F" g7 u$ m3 g - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 E% Q0 \7 L5 C, K - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 D) o; b; |' j% I& y) E - printf("Input MAC error\n");
& y: U' t2 b) w; [% T3 a - return 1;
$ j' q* m! }+ O+ s - }. N* k4 f# u3 Z& [, w9 u( P! w) h' i& [
- for (i=0; i<6; i++)mac[i] = macs[i];
$ R( G( a' ]& G$ U1 g5 w( h9 J - printf("\nPlease input new STBID: ");5 J" q3 }: P) r! l
- scanf("%s", stbid);# h: [$ X/ }, K& x/ Y
- if (strlen(stbid) != 18) {0 @' b# o. S/ t: W
- printf("Invalid stbid\n");
9 A" F+ S# `/ i5 h( V3 @ - return 1;
& Z$ B2 ^: W* ? - }
1 u+ h& d5 j0 k9 J9 T, c - printf("\nNew parameters: \n");2 u, t, N, M* h/ G$ x& s
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 U; I7 f) A: B; D, `( @- }$ z - printf(" STBID: %s\n", stbid);
; N8 u. P3 C" I! |, w - 1 k/ b k4 y7 R* @3 z
- printf("\nDo you want to change paramemters? (y/N) ");' w8 J& v) m& l3 ^/ ~* e! _
- for (;;) {
. A, y' T2 J! v; u# d- t - c = getchar();
R. G9 L7 M$ X, g5 ` i" A* @# V - if (c == 'y' || c == 'Y')9 E2 q1 e5 A8 W" l$ d3 ?
- break;( c( v4 m$ E. f& Z5 S
- if (c == 'n' || c == 'N') {
% q$ Z" U( E& p8 j6 B - printf("\nAborted.\n");
" |' A# I+ t9 b4 |7 w$ D/ b$ D8 o+ x - return 1;
( `1 Z# k, K G, K6 ?2 n1 o1 {: l - }
% P, A. `1 I6 S) D* J - }$ D0 s' @9 z( E7 i; c0 x: E
- if (writeparam(mac, stbid) == 0)
' S- F, C/ m0 f3 [; u6 R$ u - printf("Parameters changed.\n");
1 G5 \7 P; @/ p% o4 i& U3 j: z0 I
4 D0 o9 k. C2 o/ D4 ]- return 0;
- T1 q0 A' N8 w3 N - }
复制代码 |