本帖最后由 0522 于 2012-3-21 23:04 编辑
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5 U# S- B! r% U- R. J# T7 q' w修改的代码早有了。到今天不会编译。
% y* V# b& r% z' h' t, \; U( o6 k4 N2 a需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) {& o5 J2 K0 C3 s0 l# `
- #include <malloc.h>
, h! u0 E$ S0 h( u; C/ F - #include <sys/types.h>
Q: v( D7 K) @' B& U - #include <sys/stat.h>' E+ c" x( @( W2 \+ M5 O& v% s/ E# X
- #include <sys/ioctl.h>( L) n2 ]6 m* b4 t
- #include <stdio.h>
1 j1 H' @/ l* h. ]3 H - #include <string.h>
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- typedef struct {
. s4 D4 z( h! ^* d a - unsigned int e2prom_cmd_sub_addr;0 c; D, e2 T z; p2 K- ~/ l u
- unsigned int sub_addr_count;
! P$ L5 v, ^, [ - unsigned char* e2prom_cmd_data;% x0 P+ Q/ l) t
- unsigned int data_count;, ^7 V" x I8 T
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1, m5 w" R1 P! b3 U( T, `
- #define E2PROM_CMD_WRITE 2
5 x Z; u& W4 Y( ^3 y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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) G2 t! @+ T) W# Y; M- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret; J8 W k5 D3 _$ A0 }. O
- e2prom_s_cmd arg;
B8 J& c. Y, C) }6 q" \+ \0 X - unsigned char buf[0x18]; C2 O; x! U8 c, o9 N3 r# o! m
" x/ ~/ f# q, n( ], t6 V& \- fd = open(E2PROM_DEVICE, O_RDWR);# o4 t! q* B- A, E) n$ @7 m
- if (fd < 0) {1 b7 s5 ]( R: ^4 _! e
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 S0 b' j7 }0 g% C0 j0 S - return -1;5 Z3 x* `& y. s9 Q
- }
' _6 d# G9 x+ q1 P2 a - arg.sub_addr_count = 2;
- h# u( u% \1 [) x4 Q - arg.data_count = 0x18; o9 E/ y/ J8 |% b
- arg.e2prom_cmd_sub_addr = 0x290;: h9 i- }) @" M# F4 g m
- arg.e2prom_cmd_data = buf;
3 a' _- h! i3 Q% R; q. {% g - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' c9 }! @# l" T# \
- if (ret != 0) {
. Z0 c4 ?/ I- M- w+ S0 ` - printf("Device %s read error.\n", E2PROM_DEVICE);/ C7 X1 B8 ]% J y+ `4 X1 f
- return -1;; z5 U( q1 q5 N6 C
- }
" q! n7 K! p) _' {- I9 S - memcpy(mac, buf, 6);! ^% k5 t! C! E1 k9 ^
- memcpy(stbid, &buf[6], 18);- _* r3 j2 H! Q. {4 E, M# n D
- stbid[18] = '\0';
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- return 0;; m- Q' `& R0 ^2 X p
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
9 o" g: o* h7 f; d0 x2 y - {
" G# E) n9 h) W: U L' | - int fd, ret;
/ i6 J, f" u2 v# V# J) `9 i1 K - e2prom_s_cmd arg;* C9 J' B8 A& u8 ~% F
- unsigned char buf[0x18];! E4 i1 [ p( _" v4 \# l9 n% p
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- memcpy(buf, mac, 6);' r! w0 y7 a$ V$ J0 q" {8 v
- memcpy(&buf[6], stbid, 18);& d9 X c+ F4 O4 I7 Z$ V+ _/ b4 V
- fd = open(E2PROM_DEVICE, O_RDWR);
6 Q8 ]# \9 `, F5 N3 F3 \, M - if (fd < 0) {8 y" B6 O+ b% a( U/ w& Z: ~
- printf("Device %s open error.\n", E2PROM_DEVICE);3 G. K7 p1 E: S! k$ D& u
- return -1;
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- arg.sub_addr_count = 2;
, m# Y& B' H& l: A. U' y$ q - arg.data_count = 0x18;
$ B) F2 Y; U5 } - arg.e2prom_cmd_sub_addr = 0x290;
9 L7 Q5 {6 I" S$ r6 {3 w, ? - arg.e2prom_cmd_data = buf;/ K8 |6 F+ w, H
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ r% K/ w+ U" K: q/ K
- if (ret != 0) {
& Q1 k) O7 |. u4 v - printf("Device %s write error.\n", E2PROM_DEVICE);
" s1 U4 f" V4 U$ o5 I - return -1;% J, B( J* e. s$ u4 a
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- return 0;
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- int main()
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- char c;
- r) |9 }' z) ?4 A - int i, macs[6];0 J: `: V6 l; h9 ]* {6 d
- unsigned char mac[6];
4 ~; u" k, k. ?( j' } - unsigned char stbid[256];
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7 B, o5 W- @: G7 {% a, `. o- if (readparam(mac, stbid) < 0)9 b* g( W2 }+ ~1 V& T
- return 1;
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1 f& T- s( ~3 ^" h0 H- printf("Current parameters: \n");
9 j- L a: S- O, ?* B% K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 k) `7 X" Q, B
- printf(" STBID: %s\n", stbid);( [* |( c* J; P6 o' J. f, J
-
: q6 D( J I8 e5 K. G- f) `5 q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
# q& |, U% y( \; n - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 U. F" L @8 L; f( v
- printf("Input MAC error\n");
8 ]1 |# p- U; U/ D6 M) H - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
- B4 m/ d5 J+ Y2 _4 C - printf("\nPlease input new STBID: ");' m! i. s1 `% M2 |" C9 M5 u
- scanf("%s", stbid);
# l$ \( ?) Y$ V d - if (strlen(stbid) != 18) {
: ?4 v3 G; E" A" S$ [ - printf("Invalid stbid\n");
, ?0 K3 Y2 G+ I( Z9 w - return 1;4 o/ t5 w1 j+ [$ r# G
- }
! @9 M% X5 l* F* |1 e" E - printf("\nNew parameters: \n");
0 Z* ~2 M: L$ s$ Y, ?0 {9 l" \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% Z1 o( k4 f, s( E
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
" L1 K5 l& v: O0 i( S1 ^" X* S - for (;;) {
: n" I7 u7 d0 Q5 C6 a( K8 }9 ]; F0 u - c = getchar();% r: C/ L: |9 j) r
- if (c == 'y' || c == 'Y')
, r0 B2 O; h$ M6 ~3 N' n - break;
3 ?# m/ Y/ |/ t - if (c == 'n' || c == 'N') {
* H: m; x9 x7 ?( D+ c8 T" C - printf("\nAborted.\n");
, J+ O) B( ^/ A) `5 B2 r+ E5 [ - return 1;
& D( s: T: o& W - }
2 w/ Z8 ~7 ]$ V# a5 M - }
" {1 Z! w& L2 ^. ^, f1 y8 Q. h - if (writeparam(mac, stbid) == 0)
. s6 j. `! {6 g) |, \1 I - printf("Parameters changed.\n");
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~# T. V' w3 ^# U9 m! b/ g- return 0;
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