本帖最后由 0522 于 2012-3-21 23:04 编辑
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' _( }3 x- Y- o1 {7 r7 K0 M/ x( R* Q6 J修改的代码早有了。到今天不会编译。
! F; C! k" V) u/ e" s2 a+ M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 M! c& b# G3 u# ~4 z - #include <malloc.h>1 I+ f) u" y* j% `8 U2 D- W5 n
- #include <sys/types.h>
. j. ~" M4 H; I - #include <sys/stat.h>$ _; i' F; Z! y+ J/ r, z4 y+ q/ j
- #include <sys/ioctl.h>
0 S x+ T! a( l0 U5 x, B5 D9 t6 Z - #include <stdio.h>
@- V! z. [, D d7 u7 ` - #include <string.h>
- @6 v; ]5 C E5 g& [( I, } - 7 k' S5 P7 ~0 M# z- G
- typedef struct {
; l; l* u- a' B. w2 j# K - unsigned int e2prom_cmd_sub_addr;
) r) S- C7 k! [% z6 Y1 [0 \ - unsigned int sub_addr_count;* i, v4 A# e5 ] ]; D0 U, {* n
- unsigned char* e2prom_cmd_data;) D. Y. Z. t, ?4 b2 P
- unsigned int data_count;
# v, L, p# S' Z3 ^) U - } e2prom_s_cmd;2 b8 ]3 a# I- i
- / z. m3 T+ S9 X) S" f5 a- D( x
- #define E2PROM_CMD_READ 10 V- q# u M5 }5 u9 X+ f) ] y$ ~$ C
- #define E2PROM_CMD_WRITE 2; Y a. R' W* y& F3 X# D7 L' O: B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". S( @. j" k9 e# C* x O7 |
& U# d( Z) a" p4 A4 S6 Z8 \) w- static int readparam(unsigned char *mac, unsigned char *stbid)
! L3 `4 B2 N7 S - {
! }$ H2 @- w0 X' I7 e5 L! l - int fd, ret;4 E- l4 e' Y' ]' Y. D9 {. x
- e2prom_s_cmd arg;4 r4 W9 Z; ? C7 Y
- unsigned char buf[0x18];
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, b& p7 ]* n2 n# D" `1 W1 \- fd = open(E2PROM_DEVICE, O_RDWR);( k9 I" _" z+ V8 b5 `! D
- if (fd < 0) {3 [1 I1 A7 y* b: x; a) w+ N# w
- printf("Device %s open error.\n", E2PROM_DEVICE);$ H% E* r% r$ U9 [! b) e
- return -1;
# @3 a( ^; ^% W/ ~$ ] - }1 v8 w# m1 n! s4 Z1 q8 A5 E
- arg.sub_addr_count = 2;# m" k8 `) ]. T: ]& U
- arg.data_count = 0x18;8 y9 m0 i- d* h B
- arg.e2prom_cmd_sub_addr = 0x290;
$ C6 J# L+ A/ Q0 Y/ F - arg.e2prom_cmd_data = buf;8 E4 n, V$ i6 q% F, m7 }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: O) V- r3 D% d4 c) i( O. o. I - if (ret != 0) {
% r. v9 d# h y3 \& S8 `# ]7 r - printf("Device %s read error.\n", E2PROM_DEVICE);
' c* d" u5 \6 [' Z - return -1;, G, Y6 S# q$ J. q1 X
- }
) Z+ G* w; ^) v - memcpy(mac, buf, 6);& i; C& |8 ?( B$ ^6 a+ Q4 D7 H
- memcpy(stbid, &buf[6], 18);
H* c. B$ A ?& `# S5 j - stbid[18] = '\0'; N+ y- J$ B% Y% Q+ {
- 3 L+ p. B- ?3 E+ _
- return 0;. G% q% U+ Q5 P8 A, |
- }9 V1 c2 E3 f8 J0 Z
' @0 R Z/ M3 J+ P6 X' K: O- static int writeparam(unsigned char *mac, unsigned char *stbid)6 h" L$ z3 C# Z2 E! A! S4 q
- {. Z( w& K J. a
- int fd, ret;& J* O5 T# y, S+ f, o7 g a K' r
- e2prom_s_cmd arg;$ d1 D4 G# O( e- ?
- unsigned char buf[0x18];
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6 m& R a0 c) V* R) `* ?- memcpy(buf, mac, 6);
, P$ j. L) X- e' | - memcpy(&buf[6], stbid, 18);
- K5 I5 r( z) p$ F+ n& } - fd = open(E2PROM_DEVICE, O_RDWR);# j! H4 n2 W0 r3 e
- if (fd < 0) {: k- h% i9 p: Z3 z# F/ p5 h( H
- printf("Device %s open error.\n", E2PROM_DEVICE);8 N, u- F3 `. j8 {1 o& G- u/ s
- return -1;
4 L4 p( s6 \! R. G - }1 f! `: q$ L/ S& b5 _
- arg.sub_addr_count = 2;
4 ] m$ a7 m) V( i3 \ - arg.data_count = 0x18;8 t( Y9 D/ U6 Q+ h! E1 O( I
- arg.e2prom_cmd_sub_addr = 0x290;
: h' d* X1 A# j& h3 _ Z0 { - arg.e2prom_cmd_data = buf;2 |* Y! P$ t7 [. r7 n4 }9 @
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ a+ c. ~4 Y! S) @7 h" A. {6 j - if (ret != 0) {; n$ E) ~! P; b$ n: a" }
- printf("Device %s write error.\n", E2PROM_DEVICE);
( E$ `) ]8 K5 }2 d - return -1;
/ ^* L% y* ?( w0 x- n6 }0 K9 R* i* ] - }4 t; ?7 ]* z' v) h. ^1 j
- ' w4 R. t& d* R' p( k
- return 0;
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- " _5 T$ O' W. M: X) W
- int main()
9 ?9 M& f+ n; v7 _ - {
( q2 p3 y0 [. B - char c;
; N" Q* p% |$ H, @2 f/ h$ F/ b. f4 P* d4 F - int i, macs[6];6 _* ~% X2 i6 _6 p9 S% K5 M4 L
- unsigned char mac[6];
; s' q' P# V* Z( p+ i7 o! a. r - unsigned char stbid[256];
- r6 g7 G% f+ l - % {7 y4 q( b& P8 A& s J% ]
- if (readparam(mac, stbid) < 0)
3 J" l- p; Y/ {& ~. o( A - return 1;1 T: s7 ?, O, a3 M3 H$ S
- & z, l. k$ \+ s1 D$ X6 W n4 {
- printf("Current parameters: \n");3 W" ^: P7 [3 r! T$ E! B1 x8 d5 Z, q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
k5 J# ?) s- m2 Y5 q8 z2 X9 \4 T - printf(" STBID: %s\n", stbid);2 r/ o, L7 Y& m J1 ?
-
3 o3 n( m. \2 X! A/ }" V - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% b( M# A( i2 ^# W- _+ u6 \- q
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) U1 c) d( p3 j; `3 l8 h& \; A
- printf("Input MAC error\n");) b" i; @6 e5 s% m) ]
- return 1;
# f; k. y- A& J& ?9 V - }& j5 m. s/ J) _( M& G7 b" b
- for (i=0; i<6; i++)mac[i] = macs[i];9 t: j" j, F# N* d' {5 y) \) n' L
- printf("\nPlease input new STBID: ");
! y$ M2 m/ H2 J* n* T; q3 t# L - scanf("%s", stbid);
" T O y5 _: D ~ - if (strlen(stbid) != 18) {
. V2 ^. t4 ~* i3 R - printf("Invalid stbid\n");
% {% o" `0 l2 a Q e - return 1;, X& T- L V: z, U% s; u- \
- }# E! D- p8 @+ `( v" d' e* y# l
- printf("\nNew parameters: \n");
0 ~( ]. m& m' p- F& e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% w' h' L0 n2 H& y# h - printf(" STBID: %s\n", stbid);
$ \9 c8 c( j% ~* N9 }# O - - o! ]; R4 ] S3 ^: G+ ?) h
- printf("\nDo you want to change paramemters? (y/N) ");
" Z4 Y; |+ P9 Q8 m- ]* |8 c1 T - for (;;) {7 l+ t$ [+ a5 F
- c = getchar();: N& _- W/ U5 M! `+ u6 B% R
- if (c == 'y' || c == 'Y')
% D' b5 `8 T' u- I3 F2 | - break;
! w. R3 N$ F$ C3 ]9 x# d - if (c == 'n' || c == 'N') {1 L9 e( B4 j5 Q4 T L! I$ x) u
- printf("\nAborted.\n");4 ?8 X+ \0 [8 i% `5 u. @9 j
- return 1;
+ A- j6 ~5 s# k+ ?0 |9 L - }
7 F# Z' T& b6 T H6 E0 i0 D( a4 U - }
' o# K* k& k8 Y Y( H% z - if (writeparam(mac, stbid) == 0) w1 ~% Q& b1 c+ S
- printf("Parameters changed.\n");; I. b: j z [) ^9 {' D6 T
! \/ j- ~6 |; W8 @; W- return 0;, @& b- u. i7 ^4 ^" I$ P" Q
- }
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