本帖最后由 0522 于 2012-3-21 23:04 编辑
+ ? B' V8 l" q# s6 X7 f; \( Y1 R+ B$ ~: Z: R4 p; A8 `5 K
修改的代码早有了。到今天不会编译。
3 P/ X8 r1 N2 B5 D+ J! ?) I% U6 U需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" b" F0 h7 \& r
- #include <malloc.h>
' K# H0 ^1 Z6 g$ h - #include <sys/types.h>5 t2 z3 X) C1 [3 y) L+ e
- #include <sys/stat.h>/ v2 w; W9 _5 U& D6 P: O9 Z' V# c6 Z' S6 G
- #include <sys/ioctl.h>
5 I* D$ c2 N2 X0 X0 R - #include <stdio.h>- i4 o* R; V' H' o
- #include <string.h>, q$ `- _8 N1 [9 ^
- $ F/ v/ e! ~# G7 d
- typedef struct {
, `+ V$ I8 K, h1 \9 n5 Z5 q - unsigned int e2prom_cmd_sub_addr;
3 i2 ]7 A% P: j& ~ [7 o - unsigned int sub_addr_count;/ i6 o# f4 a0 `; L/ H3 T
- unsigned char* e2prom_cmd_data;7 M6 t6 |4 u0 E6 P
- unsigned int data_count;$ ^* F' l2 @; h, D. K
- } e2prom_s_cmd;/ {' y( O: K) j0 C9 {% T. v
- , M! z& p* W7 g
- #define E2PROM_CMD_READ 1) E$ w) C1 J' o# u9 X
- #define E2PROM_CMD_WRITE 2* w0 @+ M1 h( z* y/ A1 q) i
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
! k+ f/ F* T% c5 H% N4 x7 ] - + Y* `+ N0 E3 G) @# ^: X; B
- static int readparam(unsigned char *mac, unsigned char *stbid)
9 p2 v: }, |# O; k - {
( b. Z$ @! A) l" q5 g% n7 m - int fd, ret;
) v4 p, K# `/ z% ?* V4 x: f3 I - e2prom_s_cmd arg;
& E. V2 i9 r, I3 o6 i- A& } - unsigned char buf[0x18];
6 n& a# m% F9 W+ l \( Y
: S; M+ {* A/ J# g# p0 T- fd = open(E2PROM_DEVICE, O_RDWR);
% h+ J5 ?, u( D+ P- ]. Y. P5 }/ | - if (fd < 0) {/ M7 E8 U, M5 s$ S
- printf("Device %s open error.\n", E2PROM_DEVICE);
7 A6 }9 G3 G1 G0 ~) P% \ - return -1;
% o- u3 Y3 V( g9 E* w# p0 M: w - }" p1 ~' J0 _9 e T) A
- arg.sub_addr_count = 2;
' k' T# C) M: t: S8 H - arg.data_count = 0x18;
. y3 Z/ K+ K( d$ U' ~1 f/ \; c - arg.e2prom_cmd_sub_addr = 0x290;
1 x7 R- [$ l$ @1 a8 [ - arg.e2prom_cmd_data = buf;
, g, X7 f/ y* U! w. \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- N0 r6 @7 z9 H
- if (ret != 0) {
, G0 u9 S% w* K4 e - printf("Device %s read error.\n", E2PROM_DEVICE);
- J! I" P b8 s# f# @ - return -1;
& `0 {/ w0 e0 c; I7 W/ u1 L$ Z - }* T9 Z2 }& ^: R+ G* v$ A5 `
- memcpy(mac, buf, 6);
' e5 ?. Q8 S! L8 g0 Y - memcpy(stbid, &buf[6], 18);
/ _! ?4 H" g/ Z: ], T+ D - stbid[18] = '\0';) H( Y# j3 [$ N3 c1 ?$ w
& B: A- F# x* V3 y( l- return 0;6 y8 g* i& U. Z9 @
- }# ?# D; R! U2 \2 W) Z8 o) k- f
- 0 Q/ F. {6 S3 w' U
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 E Q# u4 {1 e; |( [3 i0 f - {
0 M8 e7 N5 w9 r, f: E - int fd, ret; s6 s' O5 R8 f* ?+ o8 V9 ?% `2 C
- e2prom_s_cmd arg;+ j* D6 J7 E# D. F" A* n
- unsigned char buf[0x18];
$ H" E8 C7 V0 V$ p - , Q( P U8 }1 h* v# {
- memcpy(buf, mac, 6);5 X/ [( \) b, v5 e8 H. w
- memcpy(&buf[6], stbid, 18);
: D! `' J ]; `4 s+ u - fd = open(E2PROM_DEVICE, O_RDWR);4 Y0 P" F) x6 L* H& N, V6 Z
- if (fd < 0) {
- k/ @! } d' [* [3 F - printf("Device %s open error.\n", E2PROM_DEVICE);+ u. Y& ~/ m3 h& i9 P! k4 s
- return -1;
8 c) M# n1 h6 T - }
; }) N& j( y% C: K8 Y8 d) o; U - arg.sub_addr_count = 2;
( S$ I' o. w( i7 F - arg.data_count = 0x18;$ C: _1 X9 ]( c- d
- arg.e2prom_cmd_sub_addr = 0x290;; O7 K1 P( \! Q# _2 Z& g
- arg.e2prom_cmd_data = buf;
& o) n6 X6 @5 V- q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. v$ o" a# l) P) S5 @) C - if (ret != 0) {
O2 k( u" f6 c* u6 f - printf("Device %s write error.\n", E2PROM_DEVICE);
& D7 \ u) R- w4 r' Z& V, m! \ - return -1;
Y# w, E0 H* W - }
@5 U; F" K; R* S! o/ X - , Z7 |& x" J* J9 x- Z6 l# M- T
- return 0; S2 ]1 ~2 A8 H
- }$ S+ A/ U( g/ H4 c% v) ^2 M5 m
- 5 ^" E0 T$ U7 i
- int main()% U( F2 ^8 `4 \8 ]! n% z6 i
- {: c6 t9 p* b( S5 @
- char c;6 o' j2 P j# r2 p
- int i, macs[6];
7 {+ c% c- ^: S - unsigned char mac[6];
3 q( ] D9 S0 ?- O5 q5 R+ q9 Z - unsigned char stbid[256];
J8 S2 D5 c" b6 M - ) m* G) J. N: v$ N5 m9 N2 U
- if (readparam(mac, stbid) < 0)% }$ x( [0 T1 t3 ]
- return 1;
* j2 }" j* L9 j/ w& T - & P3 x" m9 M& g7 q/ D& m: b
- printf("Current parameters: \n");
9 i" c/ Y! F" p/ \% ]3 q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
T* L1 K7 n' z+ U! ?: c7 h$ ` - printf(" STBID: %s\n", stbid);
' N3 @! @9 d0 Y: y* x8 p - # s0 v* |3 o; l7 p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* p: ]( j- r( @# `. x/ {0 Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 `/ Q, p2 x( w' |# \1 @
- printf("Input MAC error\n");
2 E" R8 A5 `" o/ u) ` - return 1;
7 d" a2 u8 k% U! @) Z. X' a - }
- {5 a0 k5 p! L) A! j2 M0 N - for (i=0; i<6; i++)mac[i] = macs[i];
' N. L2 N6 N9 k( d* i }: o2 j - printf("\nPlease input new STBID: ");
$ A( j; Q2 C, M" S5 h/ o3 L - scanf("%s", stbid);, {' m7 H( x/ W/ A7 w" I& c: v
- if (strlen(stbid) != 18) {
# f. V. a4 c) Y - printf("Invalid stbid\n");9 c; N, f, C4 T5 A9 P' N0 N
- return 1;, w# I& @6 T6 a0 M: B9 k
- }
8 R+ m. K' N/ Q# }- Z& O+ }# U* f" | - printf("\nNew parameters: \n");/ G, |5 f* s4 m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# A" D+ p* h- }# Q M' D7 a
- printf(" STBID: %s\n", stbid);% H$ t( r0 \0 ?* d' h# N/ Y- L2 K
- . S+ L ] v/ ~2 M
- printf("\nDo you want to change paramemters? (y/N) ");! W/ Y9 V. V+ Z7 }' Z: {9 v, x' r" C
- for (;;) {
6 I8 j! W- A# k, m2 U - c = getchar();
5 N1 B, p2 A: T, K: L) U9 o2 a- w - if (c == 'y' || c == 'Y')& x( r) b" `5 `' ?! q( m. ]6 K
- break;
1 Z& [- Y7 w) T! A. H9 O5 A* p - if (c == 'n' || c == 'N') {7 K! P7 j5 x) v" c( z! u
- printf("\nAborted.\n");
& Y- Y+ d0 _! F0 q - return 1;! f5 ]) b7 J0 m1 W, l, v6 ?
- }
' L! L. W/ r% B$ Z6 c6 o$ ] - }
8 H" |- e+ A6 f9 K K - if (writeparam(mac, stbid) == 0)
5 f" f5 ^1 y* | - printf("Parameters changed.\n");
# H& \0 n2 N( q" T6 h6 |4 X. G - ) |" l9 h% g9 @( Z9 N
- return 0;
/ W) r2 a$ P& v m. f% B8 s7 a - }
复制代码 |