本帖最后由 0522 于 2012-3-21 23:04 编辑 . c6 F# M9 ?0 ?+ X/ v
1 L; R9 W4 Q4 l* e: J修改的代码早有了。到今天不会编译。2 E8 D: c( L h% G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( C. o0 L I4 l2 e7 ]5 O
- #include <malloc.h>" ~4 G& z' L+ e
- #include <sys/types.h>+ p) d& C' Q7 R% _
- #include <sys/stat.h>
+ u: @- S* R$ |: k - #include <sys/ioctl.h>
4 r% V. [- G: ^+ B, B - #include <stdio.h>
% p; @+ a- I/ k p - #include <string.h>
6 i0 o1 n1 y7 c3 X
$ }8 S& [3 n. m+ T2 h* ?# D7 h0 ~- typedef struct {9 p0 d/ M2 t7 I3 q6 `! s! l1 c
- unsigned int e2prom_cmd_sub_addr;
- _9 @& p% z7 y+ h/ X( I - unsigned int sub_addr_count;
9 I/ U2 C# g& U - unsigned char* e2prom_cmd_data;* q1 T7 @4 y0 N! |7 \# y: T
- unsigned int data_count;+ x, b- H7 h) Z
- } e2prom_s_cmd;0 C8 A: w- {9 d" S! w2 N# h
( Z( R( D( a4 z. _, I- #define E2PROM_CMD_READ 1) Y D7 K J B% a, B2 y
- #define E2PROM_CMD_WRITE 25 S) u* U$ K% y; B6 z# [+ l
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* h. @: y9 k) [
' A m8 N2 y+ D% d- static int readparam(unsigned char *mac, unsigned char *stbid)
- C% q5 C I# V9 x+ k" I5 T - {
) {* V! s" w( [: A. j - int fd, ret;6 E M. d; X3 L( h+ h
- e2prom_s_cmd arg;5 p' w7 e2 w9 a; w) C+ j( t" \0 w
- unsigned char buf[0x18];+ e, }0 D1 _$ w, m9 Q
( k9 f( k2 D! U3 L6 u0 {1 x- fd = open(E2PROM_DEVICE, O_RDWR);& T6 U- d- q9 ~ U- [# A
- if (fd < 0) {+ U7 x# V/ }0 {* m3 y/ g* g1 M4 f2 l
- printf("Device %s open error.\n", E2PROM_DEVICE);
8 T$ Q% o7 Q/ s% J - return -1;
7 m0 S% o0 o! e5 A - }) s0 k: Z* {# j
- arg.sub_addr_count = 2;; a7 D7 M1 _; D( y& ]
- arg.data_count = 0x18;
- S6 G) f3 l- [# ~$ J+ u, r! z& g5 o - arg.e2prom_cmd_sub_addr = 0x290;
* Q2 S) ~& Y9 Q8 a - arg.e2prom_cmd_data = buf;% f8 G4 \9 F( U+ ?- l
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
/ y) k$ O* Y: n: V+ M7 E, A: J - if (ret != 0) {
8 D* ~3 B q6 T- q" N2 h - printf("Device %s read error.\n", E2PROM_DEVICE);1 c! c V4 n. v, z' q
- return -1;
3 Z \. s. H- W5 ~ - }
% R, F) ], E5 ]& ~ - memcpy(mac, buf, 6);1 X# z* n* A% f
- memcpy(stbid, &buf[6], 18);) N7 a; c- Q+ j
- stbid[18] = '\0';
3 g) m' o" \8 {/ h# c - ; t2 U* K& L3 P9 q& e" E
- return 0;5 ^1 Z% q# U* _ d' z$ d
- }
, {: U" ^5 g7 \
) C$ U6 P2 F" e$ K- l- static int writeparam(unsigned char *mac, unsigned char *stbid)5 O6 n, [! `- m; S: U$ o) I
- {" R5 S& A# A0 t n* n) ?
- int fd, ret;
- O E z# }) d3 [6 J% L! L - e2prom_s_cmd arg;
1 n8 x0 E! {& H! ]5 E e3 t [: @ - unsigned char buf[0x18];
" ?1 ^- m( D+ b3 ]% Y2 g; I - ' h6 n7 N, C8 ]5 `* a$ J
- memcpy(buf, mac, 6);
9 C( v' G/ u* t$ v8 z - memcpy(&buf[6], stbid, 18);) s2 Y ~; X& A6 @2 W
- fd = open(E2PROM_DEVICE, O_RDWR);# ?) [2 G' i' m- t3 z; m4 E. b. r
- if (fd < 0) {; \ j7 x1 w+ {- G
- printf("Device %s open error.\n", E2PROM_DEVICE);* c5 J& q; @" o, J" M2 ~
- return -1;/ [9 U I! G, s# @
- }
2 E7 R# W- A+ h5 w$ ? - arg.sub_addr_count = 2;4 g; E% b4 U, r5 e* x( ~5 P, V
- arg.data_count = 0x18;
) X8 n) N$ `3 Z5 K$ L- G - arg.e2prom_cmd_sub_addr = 0x290;3 e+ ^# e$ X1 |4 L
- arg.e2prom_cmd_data = buf;
7 s3 i: k0 U( E4 V/ H" E$ B' T. G; u& w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: ]' g! ?5 F% `% N0 Y3 Q
- if (ret != 0) {5 o- o6 w/ Q4 D" [. z
- printf("Device %s write error.\n", E2PROM_DEVICE);; g" p2 [% M7 W
- return -1;
- a2 F7 n4 E* g - }
; a4 x+ B: I0 Y( w/ l
$ q5 U# l4 K) `5 ~, G! h8 m# y, f- return 0;
/ O2 j7 Y0 b8 e8 K - }
+ k# D% K, v# P5 s
. A" V. W) w4 B$ T% e5 d; v, A- int main(); U5 [$ e9 `# P. x) R
- {8 G- e9 z9 j) t9 J( f
- char c;
- l1 T5 v& @/ n! D7 |- ]( g - int i, macs[6]; H7 a9 q- D5 F" Y U
- unsigned char mac[6];0 V) H: p5 ~+ a
- unsigned char stbid[256];" n& B4 I+ g6 \
- 7 J% n. u* `+ y( O. n; A
- if (readparam(mac, stbid) < 0)
# R/ L8 i. T2 ]0 w6 K - return 1;
0 r! S9 _6 U. J6 D% R* o - 8 n+ `7 N+ n( Q; [" y
- printf("Current parameters: \n");
9 @7 @3 t" o/ U: L# \! p; T. j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' g% B$ j* s( M( R5 b* W
- printf(" STBID: %s\n", stbid);0 O. }% C/ R6 T- E( h
-
- O' E3 I. [; B+ Q5 P9 a: _ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");/ R7 _1 s$ e8 }" A& j
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
& u5 f) z$ Z# C( ^/ U* ]2 {! Z - printf("Input MAC error\n");7 y" ^7 f+ O0 T8 ^; ?
- return 1;
; r* e# U* P; O9 X% n! A3 R9 J - }
z" g2 _$ U0 ~9 h z8 _: i z - for (i=0; i<6; i++)mac[i] = macs[i];
) u G9 M# @6 O5 j& b - printf("\nPlease input new STBID: ");
1 s: ~- j1 \) M4 J( L8 Z - scanf("%s", stbid);
6 |4 ~3 D* Y8 S" h! @! I - if (strlen(stbid) != 18) {+ r w& v. D2 ^5 H3 y P+ a
- printf("Invalid stbid\n");4 ?) q: c: h x" ?7 L# h* i" z
- return 1;9 Q* F3 f# c3 W! Q, l! K4 j$ U
- }6 \5 C4 [( q6 q) _8 ?) U- A5 X- T
- printf("\nNew parameters: \n");8 G- t6 R6 {* X4 D6 T0 d* n4 f3 f3 |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: J" c& Y% l3 m( Z" o - printf(" STBID: %s\n", stbid);* `( U4 S# m; N% R% W3 }
6 @8 j% h2 G& L* I6 ]- printf("\nDo you want to change paramemters? (y/N) ");
3 Y3 q; ^* z$ J( K2 g - for (;;) {- P- m' \- H' y1 s
- c = getchar();
, o4 b- T/ O$ u) o - if (c == 'y' || c == 'Y')
) C. K9 k5 @- M5 p: q# h, ? - break;
! R+ m: X# }; o! V4 i: v8 o2 I/ i - if (c == 'n' || c == 'N') {
- X D" R3 i8 u4 m - printf("\nAborted.\n");
# T) C. A/ f) y; _ - return 1; R3 J0 n4 a$ ^* L
- }- u9 N2 p) h4 C- s& a a& r$ d9 @
- }
- f) c& k4 S4 g) _ - if (writeparam(mac, stbid) == 0) 5 q- f* V( C3 ~$ n! e8 U
- printf("Parameters changed.\n");
. q& P9 l9 `" V! d, s4 E5 P
& u8 O# H% \# u- return 0;' W9 O7 C8 `9 R$ S
- }
复制代码 |