本帖最后由 0522 于 2012-3-21 23:04 编辑
5 G1 m0 K* K. p( `7 A r
# W3 A$ Q% d2 G3 v9 j& b5 @修改的代码早有了。到今天不会编译。1 i! ?9 L2 e" m- a' `" w' d
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, \: {( x: V; c' @ - #include <malloc.h>. z; q8 N# S9 y
- #include <sys/types.h>& h8 B7 ~' B4 `5 S1 @
- #include <sys/stat.h>
! T+ Q% f( {) q1 w/ s - #include <sys/ioctl.h>7 s' e3 O) }6 {) m1 f
- #include <stdio.h>
& K: K5 S2 S' t/ i+ r" ^/ O) X - #include <string.h>' f8 x$ }; d& G; P% |
- - O; U! j0 \" ]% W& n" G8 F5 W
- typedef struct {: q5 m5 R% b8 r: ^
- unsigned int e2prom_cmd_sub_addr;3 ?( D3 R G/ |1 _9 s0 h
- unsigned int sub_addr_count;* [" \$ i5 x, Y F. k* U
- unsigned char* e2prom_cmd_data;* t1 D2 G% a& G0 [+ m% p2 N
- unsigned int data_count;
* h0 K$ k* T+ n3 Q - } e2prom_s_cmd;+ ~( x) J( ^% O* {+ m
) C# X& }0 q7 Y# @9 H9 o- #define E2PROM_CMD_READ 1
; K- q4 s6 a' V! g) o - #define E2PROM_CMD_WRITE 25 a8 H* G ]3 a# U5 N$ c
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 n1 a* m$ [9 y3 G
. c! \9 a/ ~4 V. a9 m. P- static int readparam(unsigned char *mac, unsigned char *stbid)" A) H8 H3 H' ^ m! H/ R5 l
- {
5 B2 C; C" D$ |1 U - int fd, ret;! q7 H* F3 b5 F" j
- e2prom_s_cmd arg; v! }9 f+ s; f" D
- unsigned char buf[0x18];
# U( Q% V7 H+ k" e( v f2 i - & C) f# @9 W5 J' e5 a6 {
- fd = open(E2PROM_DEVICE, O_RDWR);3 ~) D% f- ?$ C& _. q, H0 R
- if (fd < 0) {. ^6 i( S E4 A! A9 H* g
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ f5 {. F; k5 F+ R - return -1;+ d8 N$ Y# W) f: h. P
- }% h3 @0 V a) z, J
- arg.sub_addr_count = 2;
l, r8 C, a+ V: l - arg.data_count = 0x18;4 \% E: X& ]; G* Z
- arg.e2prom_cmd_sub_addr = 0x290;
+ {; j6 h1 }( h& c) b! u - arg.e2prom_cmd_data = buf;
2 G. b) P3 A E5 Y; e1 T0 T+ j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);. A/ ?% F Q2 U2 Y3 }
- if (ret != 0) {
: t7 N4 L4 e+ P/ |1 v - printf("Device %s read error.\n", E2PROM_DEVICE);
/ }- [0 [+ }3 G. Z7 D9 \4 M5 P - return -1;! r N# @3 O7 Q, F/ U8 S
- }. d3 l- n8 J+ K. z- N' b
- memcpy(mac, buf, 6);
( p6 j) C3 W1 y- a( H) V/ \ - memcpy(stbid, &buf[6], 18);
! t9 z0 F8 `7 i$ E - stbid[18] = '\0';9 ]7 p5 s, W2 K& q3 K$ Z1 F' F
- l6 ~+ O' r2 u5 ^ M- return 0;0 |* f) n% |) v8 U& ]5 |3 M
- }- k4 u( m! F+ n5 G
9 u, K, l# E+ R& A, y) `/ P- static int writeparam(unsigned char *mac, unsigned char *stbid)
1 C9 I* ~% U/ f- O- w: c5 o - {
/ F4 Y2 ?1 Y' }8 N* ~" Y# q" T - int fd, ret;$ o- j' {- J) Z( m* I. O8 o( |/ b# }
- e2prom_s_cmd arg;1 y' Y# U) t6 A6 B/ ^% ?5 H
- unsigned char buf[0x18];* R, |" B2 Z( |4 {1 p
- 1 \; H( P3 r b7 O
- memcpy(buf, mac, 6);
7 u! k7 k" w, d3 M - memcpy(&buf[6], stbid, 18);
+ U- @, L7 i4 _& a - fd = open(E2PROM_DEVICE, O_RDWR);
1 h' C2 Y, U3 j* ^: _( g - if (fd < 0) {. Y+ f7 b: {7 t+ K; X
- printf("Device %s open error.\n", E2PROM_DEVICE);
; n" }# I4 g4 i5 ~ - return -1;
* C* i; h) p; d7 x0 \# s - }
1 W; D) [9 i9 C+ y - arg.sub_addr_count = 2;: F. s' {3 t- y0 R% j) T( ?
- arg.data_count = 0x18;
1 o$ z! R0 B7 C; [ - arg.e2prom_cmd_sub_addr = 0x290;
0 Z8 E: O) B2 ?4 _+ U) C% c - arg.e2prom_cmd_data = buf;- j! a- G- `/ p# _
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, U1 e& ~( f1 G+ n% t) P+ V9 L - if (ret != 0) {" `- ^2 Y, R) M, z
- printf("Device %s write error.\n", E2PROM_DEVICE);: H0 Q7 ~3 k- l/ I+ w6 G6 }# X% w8 T
- return -1;
E- l8 X1 z: B- F v3 l- r) B - } F0 I3 Y* Q/ C9 B' E1 T) t
5 O0 ^, j+ ^4 v& \6 t- return 0;
( A6 I b4 m$ w- O+ \ - }
+ [" T+ ~# b, |- C) G - ' W1 B) S. K4 U7 A7 I6 I8 D; T
- int main()
2 L9 n( {6 y8 h( {" V, X - {4 ? v+ Z# I# w; \: l" g( c
- char c;
& b5 V" V" N; |' J - int i, macs[6];
' w4 I5 ]* F; U2 N( w - unsigned char mac[6];8 l, A- F3 H1 P; h t2 f
- unsigned char stbid[256];
g6 Y5 d2 a" k+ \$ a) i - . j. \4 m- i B# w4 s O! G* W9 c$ L
- if (readparam(mac, stbid) < 0)
, Y9 M' M0 s. E# _% a - return 1;! N4 Z8 E/ u, S
" f; B" D/ p/ D- printf("Current parameters: \n");- H, R$ V& d; v# k
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 \& ~/ K7 z! k# k0 I5 j9 \( j" P9 k
- printf(" STBID: %s\n", stbid);$ l! P5 F4 E% k( ?7 V; k9 r
- 0 J% {. n5 p: n# H+ z& G9 S
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; J6 _6 E( {8 Q. \7 T M
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# V7 T% X$ H$ |2 T2 e
- printf("Input MAC error\n");
6 K3 \3 I$ [, N# n6 V# H - return 1;. c# v5 n: e% {; A/ k
- }
. J& x$ H+ g. E( P2 `$ ] - for (i=0; i<6; i++)mac[i] = macs[i];; O, Z5 H f/ W
- printf("\nPlease input new STBID: ");
3 K. A" Z- M& w$ s - scanf("%s", stbid);; g" s' D/ U9 e" M7 S
- if (strlen(stbid) != 18) {
! U) @. X; I' \2 F - printf("Invalid stbid\n");7 U8 @: O/ P7 E' m" _- N( l
- return 1;4 I5 f" H! ^6 S9 ~# }
- }
8 S# o' n4 i" P4 U1 ` - printf("\nNew parameters: \n");/ l+ G* N2 N$ Z2 j# ?# ^: \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* | i2 B5 C4 W: Q6 [
- printf(" STBID: %s\n", stbid);
+ W: c7 w5 b$ u' A0 H! _- }' k% E - + o( W8 S2 S: w0 r/ `7 a
- printf("\nDo you want to change paramemters? (y/N) ");! ?3 Q7 A, Q' u& ^" }& s
- for (;;) {
7 l2 c9 M+ {) N& J8 Q/ y - c = getchar();
5 c5 n: d' F7 U0 V8 g! n - if (c == 'y' || c == 'Y')
; X# I! ]4 p: s: m: e7 W5 t - break;
+ _$ N( \( B/ _' w7 t7 {7 \& J) t - if (c == 'n' || c == 'N') {
4 i4 { x3 N0 Q2 I; y: A0 B - printf("\nAborted.\n");
4 k4 [# q0 j% K3 n Y6 V - return 1;! v, H! O* A0 A, U
- }
0 A' \7 O$ C5 @4 ? - }* X/ ?# i' }0 | _/ h& A
- if (writeparam(mac, stbid) == 0)
" r- ~/ i, _, z! s. M. Q# O - printf("Parameters changed.\n");! `! K% f6 @5 e+ `7 E/ g
# C, y- V5 C/ |7 H" h' U- return 0;
. i6 |# \4 C/ A. n& d9 T: R: a - }
复制代码 |