本帖最后由 0522 于 2012-3-21 23:04 编辑 / M1 h, @: m9 P& O r/ t+ G
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修改的代码早有了。到今天不会编译。* x+ {* R( L% P4 U+ A
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 D4 ?# T* j( n w
- #include <malloc.h>
! O' Q6 Q5 s+ R3 _0 y - #include <sys/types.h># s$ m% g& t# r$ Q
- #include <sys/stat.h>
. c O) \" {; |0 g3 q8 ? - #include <sys/ioctl.h>
) X( F8 V! W6 z1 E$ o - #include <stdio.h>5 J" o. u8 w8 u6 p6 L$ E. m
- #include <string.h>
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3 N9 y4 I) P, X- typedef struct {4 M3 K& a' W; }- t) T
- unsigned int e2prom_cmd_sub_addr;) u, [/ v* n+ W, U( m+ ]/ |
- unsigned int sub_addr_count; h) U7 F3 a( F+ G& k; x
- unsigned char* e2prom_cmd_data;
/ V0 _) b$ N4 ^* O. s - unsigned int data_count;& c4 o- P* ~ X% h# g2 Z3 i8 S! f
- } e2prom_s_cmd;
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" a5 i: t+ F* A+ k, D- #define E2PROM_CMD_READ 1
0 q; _( ~$ B+ L0 `, H( T, P; m - #define E2PROM_CMD_WRITE 2
( @/ S' ^" F# t( U- b2 ^ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
( {" B; o3 Z! y: F- Q - {
\3 a* T4 w3 N' K9 R6 n2 n - int fd, ret;
% Z7 @* ?7 ^1 a+ p- K# P6 u9 v - e2prom_s_cmd arg;
, J6 Q0 i4 h4 h) D$ u9 G4 C* G \ - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
( S* |' X& f6 `0 Z: n! [ - if (fd < 0) {
& Z; m0 T' \% Q _1 y7 x9 b8 d4 D3 `$ [ - printf("Device %s open error.\n", E2PROM_DEVICE);7 X& I. k) b$ k0 c7 \4 P- U/ @: F
- return -1;# ?; n7 A# W- t4 `
- }! F8 u2 G! u: L# g$ a& C4 Z& F
- arg.sub_addr_count = 2;: p; D5 c- b' L- ~% c+ j
- arg.data_count = 0x18;0 d; \1 M. B; `: J
- arg.e2prom_cmd_sub_addr = 0x290;/ E8 t& | D, F
- arg.e2prom_cmd_data = buf;
( A2 V& U [- o9 Y: T4 i9 l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);: V% Y1 m$ a; Q$ D
- if (ret != 0) {
' J4 s& n% | @* p - printf("Device %s read error.\n", E2PROM_DEVICE);- t$ D' c- b7 `, T! n. {. W
- return -1;) s2 O( c' |4 o# Z( [
- }
, U6 x# U" A. L8 y% ^7 E - memcpy(mac, buf, 6);& F# _. Z% f2 A' [3 _# S
- memcpy(stbid, &buf[6], 18);
( D2 p0 l, f! ~2 |; U6 X6 s& E - stbid[18] = '\0';
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9 ~& Y: L# {% X* D" F: C: h E- return 0;% Q2 i# s: X: t0 Y) b
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;8 q N) X6 k0 n" P0 B4 B& s
- e2prom_s_cmd arg;3 j/ I3 z+ U6 u4 X K
- unsigned char buf[0x18];7 @9 ^7 t# y" {. k s' {; H* G
6 z8 l- \# G3 [9 j- memcpy(buf, mac, 6);; k' \# x! a1 [' H8 G% U' c
- memcpy(&buf[6], stbid, 18);
M( [5 y+ W W2 ]6 k! D5 S$ p - fd = open(E2PROM_DEVICE, O_RDWR);
: \; e* V2 T; k H - if (fd < 0) {
8 g" a2 I4 i) {% B+ R$ C3 \ - printf("Device %s open error.\n", E2PROM_DEVICE);# P+ f6 W+ Z6 h3 c% ^ s' s1 s
- return -1;
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- arg.sub_addr_count = 2;# S- T/ q# L- ]1 f
- arg.data_count = 0x18;
: ]- O' W4 w1 g' a3 V - arg.e2prom_cmd_sub_addr = 0x290;
0 ^4 L) ]/ |8 t* M - arg.e2prom_cmd_data = buf;
+ q" _9 m- Q/ m7 A0 H - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
# C. N( O1 _! Z! M - if (ret != 0) {6 g6 c2 K5 M! w5 \9 Q, C1 o) b _* S
- printf("Device %s write error.\n", E2PROM_DEVICE);5 m, u. L t! Q+ R# D6 j. s. y
- return -1;
. i$ k9 p6 D! S5 A x - }
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- return 0;
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- int main()6 j1 N- a, r3 ^# v# X
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- char c;
" V8 ~- |+ c% G - int i, macs[6];( G* C4 V2 b; E2 F" U( O G- p9 W# c
- unsigned char mac[6];
" H8 d8 f6 F7 Y# _/ n# G: B7 [ - unsigned char stbid[256];( [- _% t( H: a
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- if (readparam(mac, stbid) < 0)
( P- u! b. ^" Q8 {& J+ Y - return 1;: ~+ i; J- P8 |$ v) i
- # \0 B" Y3 y7 g
- printf("Current parameters: \n");
* w! ~, Z; _7 x5 X* t+ [9 k" X2 R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! u8 f. l3 [' D5 W- m* g - printf(" STBID: %s\n", stbid);
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& H9 `3 r# ?+ Q! R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); d! h7 P9 N9 c6 [2 @
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {& U- k* |3 G7 M+ k
- printf("Input MAC error\n");( ^- |( c1 z5 v5 d/ p5 d/ h
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];6 g. N* t6 j. Q& Y" y( v b
- printf("\nPlease input new STBID: ");% U& \, |. }4 Z( F& H
- scanf("%s", stbid);" F# W3 K8 s% s% q2 k' u
- if (strlen(stbid) != 18) {
; N5 @2 ~! A, y' V/ E% ^- g - printf("Invalid stbid\n");% x4 T# ^$ G4 [, k, Q# V
- return 1;* D! u5 t" p @( Z1 v4 J
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- printf("\nNew parameters: \n");+ }, U% j0 L/ o* Q l" x, Q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, x/ y* h+ B; ]1 o! o: `+ K
- printf(" STBID: %s\n", stbid);9 F: f* Z9 @+ N+ W1 v
- " t0 f# L1 J" B7 v9 e: S
- printf("\nDo you want to change paramemters? (y/N) ");4 |. R2 m0 j. E; M& W9 y- d
- for (;;) {% i) I5 B$ ^: Q. y
- c = getchar();
+ W+ \2 G) b) D - if (c == 'y' || c == 'Y')7 u- ?: o$ u; x2 n+ f0 o
- break;
' r2 M1 w3 B, N4 L2 _3 f - if (c == 'n' || c == 'N') {
( d% y+ \- k V: I9 _! n! R - printf("\nAborted.\n");1 h! C0 I# G4 t" c5 h& Y
- return 1;
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- if (writeparam(mac, stbid) == 0)
W4 }3 u' @ T$ ?$ C2 \9 x - printf("Parameters changed.\n");6 I3 F d7 D2 t1 c1 M+ H( j' D* @
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- return 0;
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