本帖最后由 0522 于 2012-3-21 23:04 编辑 9 W) \& @$ B$ w. g9 E' C
& m$ {0 ]0 e# s修改的代码早有了。到今天不会编译。
; c) K0 V j5 N# J9 q+ l需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ R8 s6 m3 K& x8 h+ K6 s) u" C" E - #include <malloc.h>. v) v" k5 A |$ N! @
- #include <sys/types.h>" u* t$ B3 w5 ]" l" D& a
- #include <sys/stat.h>
0 V/ C: t/ r/ { - #include <sys/ioctl.h>6 [! s! H: ^ Z( K7 t1 k p) V9 p
- #include <stdio.h>
* l: x3 ^- u1 j. I# p3 W8 @ - #include <string.h>- q+ f" d3 l1 b' Z
4 t; E/ B0 W$ p- typedef struct {9 |# `5 a3 b. x2 M8 q# H
- unsigned int e2prom_cmd_sub_addr;8 ]( C p* n6 ~7 y4 u
- unsigned int sub_addr_count;
. @$ q+ s# `0 D; C; v6 R - unsigned char* e2prom_cmd_data;
; Z. S9 a% w0 o! c. t1 L - unsigned int data_count;' t" O6 S. v9 P G% x. G7 O% E
- } e2prom_s_cmd;
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( U; D' ]; I1 K" U M- #define E2PROM_CMD_READ 1
! l6 l! g- S! G* J7 |+ p - #define E2PROM_CMD_WRITE 2
/ q$ y. v. l& p3 a - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 n4 Y; B8 m% C k! d- ?2 M2 P' {- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;) W) b- R9 N0 _5 e" n: B
- e2prom_s_cmd arg;
4 Y) o# n) c, Q* U$ f - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);0 _' a8 J" e( J- F' H/ A, M
- if (fd < 0) {
7 N- q6 v: H0 D2 D4 R) s0 } - printf("Device %s open error.\n", E2PROM_DEVICE);% K# F0 |4 K" R8 \) o2 ^3 Z0 P0 [
- return -1;
" F6 Z. j. V) ]( \1 y$ A5 @ - }
7 j j- [$ M) ^! m. q7 l6 I n - arg.sub_addr_count = 2;* F3 @& a4 Q3 J+ A2 A- D7 T
- arg.data_count = 0x18;
3 g7 W5 A7 i0 n5 x% x, {+ g) q - arg.e2prom_cmd_sub_addr = 0x290;
3 t4 T: q. O" R - arg.e2prom_cmd_data = buf;
# N+ J/ i J0 @% `7 d4 w( I - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# W( R9 \1 F/ H! ~* I* K - if (ret != 0) {
2 d- v, F$ q4 Y8 T2 p. N* t - printf("Device %s read error.\n", E2PROM_DEVICE);
" S' r6 W/ I3 |4 }" ?# W+ d8 C! T - return -1;
5 w) ^' B: L6 _6 X: X - }5 Y8 s6 Y, q; w- i- t+ }& s
- memcpy(mac, buf, 6); D2 S( X! b. w Q* z
- memcpy(stbid, &buf[6], 18);( s8 U1 z! T$ q9 ~
- stbid[18] = '\0';
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- return 0;
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/ ~: d; [% y/ h6 ^6 u h- |- static int writeparam(unsigned char *mac, unsigned char *stbid)
$ ]0 r9 Z& Z) t: m - {
, ]- N, d- K7 b. _# c- K* E! l - int fd, ret;
9 w2 m- R6 K5 F2 Z% K7 U+ V - e2prom_s_cmd arg;
b/ k$ _; J) f" ^4 h4 e - unsigned char buf[0x18];% ?+ v0 f9 G5 B# [' c0 f
- 8 W( y# _; R" Y' o: I4 p1 ^' w, E
- memcpy(buf, mac, 6);; V! B, E! N ?9 f0 ~9 c) m
- memcpy(&buf[6], stbid, 18);' s" z- C; u' i
- fd = open(E2PROM_DEVICE, O_RDWR);
2 h" P: }) T5 p! h; m6 v, w - if (fd < 0) {; v# A. B. N, |/ Q
- printf("Device %s open error.\n", E2PROM_DEVICE);2 a+ j& X- U n2 {+ d/ A0 @
- return -1;
! b& O# `" d/ e& X - }
5 n; b1 ~0 ?. B) n - arg.sub_addr_count = 2;
, W/ u- @3 g3 u, R+ @2 H _ - arg.data_count = 0x18;
6 g3 v! O' w. }# Z - arg.e2prom_cmd_sub_addr = 0x290;
o# h% X" M+ r5 \ - arg.e2prom_cmd_data = buf;
7 f+ ^' a& y( b& b - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* v/ z" k6 M7 F. L; V - if (ret != 0) {" J7 U* J# k8 F$ ~
- printf("Device %s write error.\n", E2PROM_DEVICE);. N$ f; K* a p% m
- return -1;
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- return 0;" {: w/ l5 o0 C5 s5 x" M5 F
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5 A5 H4 R4 N7 x; u' }- int main()
+ M, Q8 ]! e+ S5 |0 u# X& i - {
9 a# q( l. Q; a. ^6 i - char c;' A: g$ m! W% y: a
- int i, macs[6];2 _6 ~$ C$ f$ l& l$ [: b* ]
- unsigned char mac[6];
# z& |0 Z! h, c' q. R/ H - unsigned char stbid[256];: T* G2 B8 D! n) g7 Y3 c+ F8 o: o6 K
3 n6 Z, R" V4 U4 f5 i: C" m- if (readparam(mac, stbid) < 0)
6 u2 [4 A- j# D& R - return 1;
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- printf("Current parameters: \n");0 G h" R* ~; ?" S, E; b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 |' Z$ q: W2 f) i0 O K$ m; u
- printf(" STBID: %s\n", stbid);! b6 E, ~4 o4 N# e2 u( k0 Y
- $ C: n ]3 Y: I5 _* l) A% f
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* C! E- r7 k% J; k8 P2 M - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 B6 f% p! \4 f! S | - printf("Input MAC error\n");& z* ]" c9 F2 o# t! U: T& V) F
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
9 o' H' h! J* }* I j7 N - printf("\nPlease input new STBID: ");
2 P1 d0 H8 u/ z( v, Q - scanf("%s", stbid);
7 A& N9 B6 R0 E9 }0 ? - if (strlen(stbid) != 18) {' U8 G" ^$ P; j) L2 B
- printf("Invalid stbid\n");( |" @; r( {6 O, h( b5 K
- return 1;
7 b1 [" C0 s: ^* d9 L - }
8 Y8 }$ \( Z. p( ~ - printf("\nNew parameters: \n");
4 D' t& J9 H: f4 V. Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- [: C. q! m2 g1 B4 B# Y - printf(" STBID: %s\n", stbid);: D! }, }4 u! \3 P& f( c
( z, Y: E1 h4 _7 h- printf("\nDo you want to change paramemters? (y/N) ");
7 ] z' Y8 C! d% p3 K - for (;;) {, O7 c# E" }1 y8 U. P( l
- c = getchar();/ l2 T- g: q6 _2 G% s% j* q' n0 P
- if (c == 'y' || c == 'Y')1 z/ H& D8 h$ A5 Q
- break;+ G5 m9 n4 H+ T
- if (c == 'n' || c == 'N') { C2 s4 X$ |5 I: n
- printf("\nAborted.\n"); J6 |2 K' p1 F: s
- return 1;& C2 n& G) O& N- ]6 C: j% I+ l5 V% Y
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- }
7 q0 w2 r5 |( O - if (writeparam(mac, stbid) == 0)
6 H/ g8 T1 v) Z; D - printf("Parameters changed.\n");, M; D/ m- M: d/ y6 a3 t D
3 h8 q* h: C+ j* s: |; @0 N- return 0;
, q2 {- _5 q7 ~' k' A& G; G - }
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