本帖最后由 0522 于 2012-3-21 23:04 编辑 , l* b* s6 k- d% X: R/ C3 X w
0 ~0 U( \9 t% z2 ^6 ^修改的代码早有了。到今天不会编译。
0 j. c O6 X( l3 U/ H& k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ b/ r* v5 p2 r3 n
- #include <malloc.h>3 q; ]6 _3 D8 i# J3 w
- #include <sys/types.h>6 y5 K# l9 z4 [% |5 J
- #include <sys/stat.h>
) a) A4 Y: R; z8 A1 k, A% U - #include <sys/ioctl.h>
% I1 S6 E0 w2 O1 l: \& k - #include <stdio.h>' T/ B& R! J8 T$ w
- #include <string.h>
, h7 L: ~8 B' B2 F
( K8 a1 n* ], @3 F& c- typedef struct {
$ y7 L; ^$ O2 g2 ]% i1 |+ k - unsigned int e2prom_cmd_sub_addr;
/ \! D Y, W/ m1 I+ y - unsigned int sub_addr_count;
7 O: n! p3 d r9 i - unsigned char* e2prom_cmd_data;
4 h9 B7 \# x4 q - unsigned int data_count;1 z* s. C" B5 S1 Y5 C$ Z
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1. _! q- p( X, [0 Z- x# P
- #define E2PROM_CMD_WRITE 2
v. Z- b0 a& g0 `0 e& z1 A* @+ z - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
0 k, x- r1 R0 d) n# b* o, P - & o. i1 P# A {
- static int readparam(unsigned char *mac, unsigned char *stbid)/ W, m! |$ P9 o
- {
) ^( H, k- g( p2 X; a/ U - int fd, ret;
E, w* h8 r' D( Y - e2prom_s_cmd arg; U+ n' B" v% N5 r7 @& m
- unsigned char buf[0x18];% Q, k- i* S0 o
- " i8 H9 W$ J- N s _
- fd = open(E2PROM_DEVICE, O_RDWR);
) B' q3 V2 j. ~5 [* g- ~3 e5 F* f) O - if (fd < 0) {
3 n9 n& Z% i2 T2 b* t - printf("Device %s open error.\n", E2PROM_DEVICE);
`& N& s( b& X6 B- o! h5 j* C+ e - return -1;
& A. `( g7 w8 C+ F! n- O0 L7 p - }
; X6 ]2 @! F' b+ ]- E0 V9 Z4 U - arg.sub_addr_count = 2;
$ {1 F- G2 ]) ~. k# _ - arg.data_count = 0x18;
! A8 O" H6 P# v7 J8 R; v' o ` - arg.e2prom_cmd_sub_addr = 0x290;) n. B+ b0 }8 W
- arg.e2prom_cmd_data = buf;
( n! S* f8 j8 M5 c - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
3 r9 r2 z! H3 P) U8 T5 G - if (ret != 0) {& N- \' w( q& \0 c% S
- printf("Device %s read error.\n", E2PROM_DEVICE);
. p. Y Q5 z! M7 g- a5 s: j* X - return -1;7 G5 @) l: |: N4 L
- }
5 w. R7 j/ N; `2 P: K* o, ^0 U - memcpy(mac, buf, 6);
- }$ U/ R$ i4 Z/ `9 V3 t2 G - memcpy(stbid, &buf[6], 18);
9 q. @4 ?. V9 Z5 y$ v - stbid[18] = '\0';2 m, f: G. C/ \
& W% n) O( T2 f9 S$ w- return 0;
' i! g& n2 F. g" w0 y, u# s) e, p - }
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! L8 {8 j: I i- static int writeparam(unsigned char *mac, unsigned char *stbid)4 A3 N4 i: N/ c5 b# A& j
- {
& U6 W( ?9 s4 [5 |0 @ - int fd, ret;
! B. M0 E# b1 S9 W$ `, l. z6 i - e2prom_s_cmd arg;
4 W3 m& Y, M9 w+ p( H+ N4 W* @% a! u - unsigned char buf[0x18];4 _. G$ E& P- z' a; a8 S& j! ^
/ [0 r; W. j- d- memcpy(buf, mac, 6);
+ @& C9 y1 L# T: S - memcpy(&buf[6], stbid, 18);
y; G1 v1 n8 W/ U - fd = open(E2PROM_DEVICE, O_RDWR);! ]4 a. j, A8 c2 Z% [0 k
- if (fd < 0) {1 h5 Y3 J' ^! J) E- S1 B
- printf("Device %s open error.\n", E2PROM_DEVICE);
, L% ^% ]: ^0 H* {: x, Q( Y% c: t - return -1;
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- arg.sub_addr_count = 2;$ k4 E) L' R! i/ f' _4 i/ y$ _: m
- arg.data_count = 0x18;8 N6 l f+ ]" O. [
- arg.e2prom_cmd_sub_addr = 0x290;
! m" ~5 d$ r# W8 Q) y e - arg.e2prom_cmd_data = buf;, o2 C5 I9 ~8 e0 \/ P
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);& ` L. i8 G8 C! _. J, f
- if (ret != 0) {3 k& M: m& l* v: z. M: l# k
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ @' A- ], g7 W0 y1 o - return -1;9 r+ x3 a$ w5 {& f( [' f# v! P
- }
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/ {6 h* E5 W! k- return 0;
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- ) O9 g, b" |( `$ r4 L% z/ @5 E g% p
- int main()" z6 |! O- h- }. }( u+ U7 |- h
- {
) d8 p5 }( W$ ]$ z - char c;- c, v) W, j) Q- a
- int i, macs[6];8 a w4 x( g, @1 h* b8 o8 p' t D
- unsigned char mac[6];
8 X/ \* {# U* O4 [, H! n - unsigned char stbid[256];9 b; v# v* _& l! K
* G2 [- P8 b8 R2 A- if (readparam(mac, stbid) < 0)6 J% W* [% Q z+ \& H
- return 1;
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- printf("Current parameters: \n");
+ |$ v, U, U7 R# @' }, ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ V. c/ j: e2 j3 E9 c1 E' Z - printf(" STBID: %s\n", stbid);
$ O) J$ K# e7 U4 F -
/ g- Z! F \3 _! I8 X# P - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) F' Y( S4 S: Y. A, G) p
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
0 A3 J! p- v+ v9 M$ M5 [ - printf("Input MAC error\n");# Q0 ` J. N8 O4 t+ T5 { [
- return 1;" l2 R2 y+ @! ]& w! k8 Z5 ~: H
- }
0 f6 v! P* E- |( t - for (i=0; i<6; i++)mac[i] = macs[i];
8 U7 {' e1 j1 l# }$ b - printf("\nPlease input new STBID: ");0 Y2 C9 q% d* Y+ B
- scanf("%s", stbid);
/ E; X+ m& @3 E( U1 ?: s" O* V - if (strlen(stbid) != 18) {0 E. I* i" ^" K! W2 O
- printf("Invalid stbid\n");
5 ^1 y5 k! P O: W5 ~4 n - return 1;) y' Z1 }5 l6 l8 p1 x# Z: x
- }
& o- l2 ]: U; h( z - printf("\nNew parameters: \n");+ o* c; N& L- c5 V
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: b/ J( N3 u, x* g% m
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");" E0 e$ u3 h4 ^, ]5 j7 ^+ Q
- for (;;) {
e% n4 a! E! m1 O0 l: X, \; Z - c = getchar();7 k+ {7 _' L. l; X
- if (c == 'y' || c == 'Y')
; J* M' i' f% J7 k0 I5 `( e' k - break;
0 g2 e! y& q+ J/ R( u+ Z& Q7 ?" C - if (c == 'n' || c == 'N') {) j9 B) Y5 B6 I) B Z$ N) s
- printf("\nAborted.\n");
8 d+ B4 E: W' a7 }# U9 R/ i" } - return 1;
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- }
- T) E& ]+ u ~* T3 g - if (writeparam(mac, stbid) == 0)
3 B: g# w- D: J) [ - printf("Parameters changed.\n");
) i. K: A s/ }- c# O. F2 W
0 Y: [- ]- v! k, \1 ] D; E0 X# p- return 0;
: Y% }# V; o q' p5 }" C5 G" g# r5 O - }
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