本帖最后由 0522 于 2012-3-21 23:04 编辑
. x& `6 w6 |: K; j2 ~3 J/ o5 A, V' T& f! {) u+ R. V- U( J5 d9 x
修改的代码早有了。到今天不会编译。 Z! k u4 j8 v) b5 q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ p: o& P! b' y5 X) Y - #include <malloc.h>
& U% ^! P# S( q3 P - #include <sys/types.h>3 @2 r) G, m, C. v. p, i
- #include <sys/stat.h>
$ |+ z0 j1 j3 h6 i. r- `4 ` - #include <sys/ioctl.h>- J& B" j+ ]7 v* \
- #include <stdio.h>0 Q' r9 G/ i% U' ]
- #include <string.h>% a3 E* O* W6 L5 H: m* W# }. c1 f: h' c
- - f" t4 Y1 o; ?6 z+ Q$ W' @
- typedef struct {
/ Z$ @& q8 E/ o% Y. n - unsigned int e2prom_cmd_sub_addr;
x+ A1 w5 B( B9 G% Q7 j3 ? - unsigned int sub_addr_count;9 w L5 r) V8 [9 `( V* G2 X3 L
- unsigned char* e2prom_cmd_data;: [9 W9 S1 Y# q: z
- unsigned int data_count;: h/ h% d4 Y5 c' i$ e5 w% k" c
- } e2prom_s_cmd;0 ^. y" v3 B8 A% o$ G0 j; |
- , a& b) s' Y8 B
- #define E2PROM_CMD_READ 1
1 {1 k$ F ~0 M7 e9 B/ a r - #define E2PROM_CMD_WRITE 22 }+ [/ T- O& x1 w4 N# l) A
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
# ?; j6 g0 w0 G# {+ @( ~ - ( K5 L1 u; w. u; R y
- static int readparam(unsigned char *mac, unsigned char *stbid)3 O0 x1 A7 q0 w5 R4 F
- {2 i9 r8 o3 D6 ~0 `+ ~- ? t" r( L
- int fd, ret;
. L: U& b1 A$ |7 Q; b! O, d! ] - e2prom_s_cmd arg;
: n1 f- x) X( r2 o. U - unsigned char buf[0x18];
. `2 I0 P6 S' W - " O' o& a( M' \; J
- fd = open(E2PROM_DEVICE, O_RDWR);% B# Z7 A) Y6 o% N
- if (fd < 0) {# W+ @$ K7 K* u
- printf("Device %s open error.\n", E2PROM_DEVICE);) n- U$ o$ N2 q% x- L! T& }! ~1 n
- return -1;
1 f) x" }) `: E, X - }
& o6 H+ A/ p# V - arg.sub_addr_count = 2;
|# Z1 q4 K4 f0 D# W3 | - arg.data_count = 0x18;) r' K' ~* [4 w
- arg.e2prom_cmd_sub_addr = 0x290; v- H0 X) R% u# |
- arg.e2prom_cmd_data = buf;+ H9 r9 D; A4 k0 G! O
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
B U( H# K- J3 u0 J3 q - if (ret != 0) {
" D% b, o1 u0 V3 e1 y4 a. R - printf("Device %s read error.\n", E2PROM_DEVICE);
, X5 ]- J& f4 o' A+ Y - return -1;
. c$ \4 H t& c - }
d7 \! U1 _# G - memcpy(mac, buf, 6);* G$ E8 f3 O4 C5 E( z+ Q1 Y. b
- memcpy(stbid, &buf[6], 18);
( v, R* M& L2 ` - stbid[18] = '\0';
/ X; T- E& m" X8 ^9 e; c' F7 }
' \0 o5 v) n- u# h5 x% @- return 0;
# q6 h( v' R5 s$ Y - }. M. n1 e( P& o' S0 H# _3 A
- & a) Z5 w/ t9 Z- y( @' n
- static int writeparam(unsigned char *mac, unsigned char *stbid)" @# O) Z v! z( B/ w2 f; x9 S
- {( R* p2 i8 X9 L6 N& K" ]
- int fd, ret;
& Q: I* y/ B" T, I0 _9 | - e2prom_s_cmd arg;' e; _: K |) I1 P2 u Q
- unsigned char buf[0x18];& d$ j/ u% P# `2 [3 J! ?3 c9 V7 p+ p
& M5 L9 S, U3 U( B6 F9 z8 z1 F- memcpy(buf, mac, 6);" \- N, t2 y0 G: E1 O
- memcpy(&buf[6], stbid, 18);2 h* S5 x' {9 P" H+ L# l. ~% L
- fd = open(E2PROM_DEVICE, O_RDWR);
* _. n m8 M8 |8 b: \+ S# G$ v9 ` - if (fd < 0) {* A2 m D* }7 H- O$ N X& l
- printf("Device %s open error.\n", E2PROM_DEVICE);
! T( d+ W" F) [! u' l H) {+ } - return -1;
! R: O1 {0 _7 ^: z+ n! x( F* G3 Q - }
! y% e# m6 j; T6 C- M - arg.sub_addr_count = 2;
. b( y; i, e/ h/ `. g* I - arg.data_count = 0x18;) X/ S) U3 n' m
- arg.e2prom_cmd_sub_addr = 0x290;1 V+ n. o; i# z
- arg.e2prom_cmd_data = buf;4 d2 P) l$ y% L( z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 y5 O2 J8 p; {2 t! y - if (ret != 0) {0 Z9 O" x8 m- i6 t: L/ p
- printf("Device %s write error.\n", E2PROM_DEVICE);1 p* i& i- B9 z! m
- return -1;
" q% f: l0 {0 i5 R$ b+ ? - }3 a; ?, g5 M4 y& S9 {, Y! l( x8 \
: r( ?/ d7 F. m1 O- return 0;
7 m; {$ x4 a% ?, ?, t - }
5 d6 p& D5 v& F/ P - 9 ?4 p1 H$ o) h4 c& Q- l
- int main()
. L3 [: B8 G) J% ~ - {
! U1 Y( a0 D5 M k1 E - char c;3 A% z8 E. d2 t3 n! a9 {* n6 Z% w
- int i, macs[6];$ B8 `/ [# v" W7 i) i; \7 b
- unsigned char mac[6];! i) @. Y5 b! p! T7 }; D
- unsigned char stbid[256];
& B" @9 C4 E4 ~6 A - 5 n$ |# R4 q1 h& ^
- if (readparam(mac, stbid) < 0)
+ L7 x6 E, {& X; L - return 1;
. t' K( R5 k% o - ) t, E' h' R# F
- printf("Current parameters: \n");" B+ W) A0 F" c2 N) n+ G* x. H
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& J" v' k$ }. q4 ~+ ~( J
- printf(" STBID: %s\n", stbid);( C G5 n ]' B! D/ a1 i* b
- ; w( J2 C% J% T! h
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): "); ?) x$ L# ^0 m/ G) _
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
1 `4 I& y2 B% O+ W+ J - printf("Input MAC error\n");3 n8 K" F; I$ ^" v) w/ T3 N# {
- return 1;; a l3 Q1 S; D' H
- }! j' {3 F2 ]5 m% T$ x' ?
- for (i=0; i<6; i++)mac[i] = macs[i];
9 n1 g6 D# k! O - printf("\nPlease input new STBID: ");' f- p$ b- e8 a5 L" O5 e
- scanf("%s", stbid);
1 N3 m/ L& Q+ m; I0 B% m! f2 H - if (strlen(stbid) != 18) {- N; f9 }! L5 v0 `8 q5 |5 ? B
- printf("Invalid stbid\n");' s& Z' k' ^3 m2 f" ~
- return 1;# M; r4 A1 {( q
- }4 C6 d/ g# {# a
- printf("\nNew parameters: \n");& n" S( z; I' u4 B4 s1 B- B! P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) K8 g* [. D" x: x' }! \5 M) V - printf(" STBID: %s\n", stbid);
* \) r, q I- t. T% h - 8 A2 h! f* n4 D+ {9 {, Y
- printf("\nDo you want to change paramemters? (y/N) ");+ v" j/ d. h5 X
- for (;;) {
/ o4 T( H0 U1 Q) ~ - c = getchar();4 z4 \4 M% m! p# Q8 q$ o7 h8 ^
- if (c == 'y' || c == 'Y')
( h! ? M, l: k) W. ^7 Y - break;% H& m/ \ R! ~; Y3 t
- if (c == 'n' || c == 'N') {4 n; f9 o5 U- n7 r
- printf("\nAborted.\n");8 B$ f8 w9 \* B8 M) q( t
- return 1;3 H5 F" J" O% z
- }
0 L; F& _" g) j+ X2 c- S! b - }9 \( B$ [2 N4 f' N* |& H6 {
- if (writeparam(mac, stbid) == 0)
# j2 ^4 G6 w& H% ` - printf("Parameters changed.\n");; x, m6 F2 Z: x" T
- * T' e% W" M1 m2 R& n
- return 0;
6 _% U8 d* R& k- i+ K. J1 y$ q - }
复制代码 |