本帖最后由 0522 于 2012-3-21 23:04 编辑 2 [( f' K2 o) \- Z2 D- S$ d
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修改的代码早有了。到今天不会编译。. q& u* p/ h, |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; z3 B1 l& F- F
- #include <malloc.h>4 S, r! L- r0 ~
- #include <sys/types.h>6 r# X: n6 s5 [. {
- #include <sys/stat.h>/ X9 S7 i! j# g& H
- #include <sys/ioctl.h>
N8 I4 B$ A+ d. c8 e6 F - #include <stdio.h>
[' F8 y. m; c - #include <string.h>
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- typedef struct {/ Z# C3 {7 t2 S0 V z2 X
- unsigned int e2prom_cmd_sub_addr;
5 J7 S, p5 g4 ]/ L @ - unsigned int sub_addr_count;
- K+ k9 R6 i' V7 k; k# @ - unsigned char* e2prom_cmd_data;3 V {. d8 |! V, D# r
- unsigned int data_count;" h2 _: i4 V. {' N* N" H6 t
- } e2prom_s_cmd;4 A) k2 _3 `& |$ X% W
9 T! Z- |7 s& r- #define E2PROM_CMD_READ 1
5 G S0 \# Q+ _* l# b - #define E2PROM_CMD_WRITE 22 l" S0 u) N/ h& M7 {' E+ T$ Q8 U! M3 [
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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; n; i a# s2 D, Y- static int readparam(unsigned char *mac, unsigned char *stbid)
6 i0 w% f! W7 l' Y - {
1 G4 J. v" K2 F1 C1 G/ u) c! z - int fd, ret;. r0 p; m$ p) p
- e2prom_s_cmd arg;
; @$ N. W0 d; U: S6 M* ]# C8 T* T - unsigned char buf[0x18];8 r/ E2 H, O1 E, r
, P) Q& B: Q& Q5 a8 c- ?, K" z- fd = open(E2PROM_DEVICE, O_RDWR);" W) c+ \7 B8 F
- if (fd < 0) {& ~1 E' A- Q. h/ P, Z3 w c
- printf("Device %s open error.\n", E2PROM_DEVICE);+ w( y6 j: Q. J
- return -1;
% w6 |: R: N$ Y# S5 }, N - }
$ @8 V( x0 `; ?/ E - arg.sub_addr_count = 2;
; w4 P. r9 V3 e8 s8 r; J! e' A - arg.data_count = 0x18;
l' }" ^" s7 y% U" L( [1 F- V - arg.e2prom_cmd_sub_addr = 0x290;! f! y5 I9 S! O, @) x
- arg.e2prom_cmd_data = buf;* C' `% f6 z/ o) e1 M4 x
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 m% b( d$ v3 M' {6 Z
- if (ret != 0) {$ E' O f' [( i% j+ r2 f
- printf("Device %s read error.\n", E2PROM_DEVICE);" u* t8 d% p5 B2 Q1 Z; k* e
- return -1;! y% C! X9 P9 w# s+ q1 h: e
- }" y3 ?5 Y" J% e- y
- memcpy(mac, buf, 6);
7 H( s$ ?2 Q B. ]5 x - memcpy(stbid, &buf[6], 18);% p! q, z! j; g% w' }$ Y4 }" r
- stbid[18] = '\0';* O& }( `5 i" D5 F2 M
: A% A6 B- ` z2 r3 g3 x# `- return 0;
: F9 J. s: s0 k! p1 ]3 \; T - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
- m9 o' d6 i3 _! Z8 ]$ L Y2 v6 e - {
" V$ h; L& c7 j5 A3 y, | - int fd, ret;
* B3 f( d& }4 C5 X- z - e2prom_s_cmd arg;
: m* q3 o, }1 g0 r - unsigned char buf[0x18];
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$ C! G5 ^; x0 J+ y+ I- memcpy(buf, mac, 6);
+ t% e! G" E' i9 Z4 M J - memcpy(&buf[6], stbid, 18);
) ?1 e& D2 ~( E0 q( i/ z4 @ - fd = open(E2PROM_DEVICE, O_RDWR);/ g# s6 |9 G6 N& L+ j- q2 m& A
- if (fd < 0) {
: h$ S3 y0 i! C& S - printf("Device %s open error.\n", E2PROM_DEVICE);8 s# F% ]; q6 e" n
- return -1;$ E- O( B7 t8 B. }9 ^
- }9 b y0 c. N" n0 {
- arg.sub_addr_count = 2;) q- h' ^" f: h9 U
- arg.data_count = 0x18;3 Y# `- E" y1 A" y( D7 s, q
- arg.e2prom_cmd_sub_addr = 0x290;* U2 k: V. b& x) S( S( U
- arg.e2prom_cmd_data = buf;6 s' s) {2 a! L6 U6 P& P: k
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( Z( o7 d/ C/ Z
- if (ret != 0) {
. ]: s+ B% Q$ @0 F( g$ H+ |% W4 d - printf("Device %s write error.\n", E2PROM_DEVICE);
. x7 y- G8 I0 u9 F8 Q# W- X - return -1;" d# j* W' x. b2 V
- }
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- return 0;
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: F( \ I. p2 S- d" D4 |! r& ]- int main()
( h5 A0 h9 K/ P& E - {
6 _5 ]4 l/ p/ F6 N1 j, I w) m - char c;. }, Y2 k$ } L2 M
- int i, macs[6];
) a) J3 F3 H8 s& j% O) x2 v - unsigned char mac[6];
( P. W: W7 ?$ ~: ^0 G) N" w- M! I2 z - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
; |6 W. K8 Y* R! @ Z+ x2 c - return 1;
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- printf("Current parameters: \n");
B E3 R* ?# L$ B3 u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* ?8 z* \. x0 m+ z
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");4 e1 N, ?& H: x/ K& u6 i9 i0 f
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 ~% H I2 l T# O6 Y3 X! t
- printf("Input MAC error\n");
; \% }1 y8 a# K* c; V - return 1;( P8 E" x9 b: p# f" `, S2 J7 M
- }3 X! r6 @' J ` j6 s( n
- for (i=0; i<6; i++)mac[i] = macs[i];
. `, Q& k! p; u: E1 Z, K - printf("\nPlease input new STBID: ");
1 l9 R) U0 X7 l, C$ v; R$ g - scanf("%s", stbid);8 E* y$ L; }1 D9 T( r2 A/ ]
- if (strlen(stbid) != 18) {9 k. r; {! Y, j' q X4 p- l
- printf("Invalid stbid\n");
& m- X0 ~6 \* g# F - return 1;
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- printf("\nNew parameters: \n");
/ ~5 g9 K" G% o" \, A1 w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ a6 s7 D7 p' B
- printf(" STBID: %s\n", stbid);1 C5 Z6 c2 F* I& }. ~
- . G" Y) L2 @% U
- printf("\nDo you want to change paramemters? (y/N) ");8 @( P+ {3 `* m& n! \
- for (;;) {" `* n1 V/ p o& g, E" ^5 ?
- c = getchar();! u/ d0 R: W- ^8 C
- if (c == 'y' || c == 'Y')
" J- {' R; b* k. g/ y! |) o- y - break;
( n5 _' N% @# ]5 Y, C4 S% b1 ]& ~% f - if (c == 'n' || c == 'N') {! p; M- ^4 A# f; C' z) ~
- printf("\nAborted.\n");
2 d3 o, X" ?( c" d - return 1;+ G! _1 G0 w; O2 h& R( b' Y
- }
* ~3 b+ `. s' M: ^4 @) k - }
, T1 C3 V% U( V* y - if (writeparam(mac, stbid) == 0)
% g; o' D3 |" d; G, P - printf("Parameters changed.\n");6 i3 a/ J8 b, ]' T5 u+ k8 h: g9 s
; a& O' j/ z; P- W/ `9 x- return 0;/ T( f' p$ Y' S5 k$ _. v3 _
- }
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