本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。% n5 V1 S9 T2 V. O( m2 I
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* h; E4 g/ h" `
- #include <malloc.h>$ a# _% [5 ~+ @2 c3 ^
- #include <sys/types.h>
1 A3 B$ J5 |6 |7 z - #include <sys/stat.h>
; u8 g" m. y7 D$ F- F - #include <sys/ioctl.h>. q$ L# W y( ~7 M5 x$ p6 `6 D
- #include <stdio.h>
1 J+ C% H4 V- H0 x' B+ p: X/ ^ - #include <string.h>
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- typedef struct {3 w/ B# G- U. b2 A
- unsigned int e2prom_cmd_sub_addr;- K T- B# X" i! f
- unsigned int sub_addr_count;
2 B( B+ i0 `$ K$ Q4 d0 D - unsigned char* e2prom_cmd_data;. O% x9 n6 i) T. g) u l
- unsigned int data_count;$ k7 H( l" h( z/ O% n, h
- } e2prom_s_cmd;1 E, F7 Z# J! w3 v" N7 J
" M7 w1 n4 i' k! ]5 h# F8 O; C- #define E2PROM_CMD_READ 1
" S6 w8 C2 N( M" q I - #define E2PROM_CMD_WRITE 2
6 L- H9 [1 c" i% o. ]3 ]! z# l - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 E3 u. W0 H+ o& u
- : ~! F: B* R5 _
- static int readparam(unsigned char *mac, unsigned char *stbid)
/ X) `* C, l9 N& R - {
6 a2 m6 s2 U% M$ f5 Q! p# { - int fd, ret;
% d& K$ c; v9 \1 x- M: y/ x - e2prom_s_cmd arg;# S5 d! d+ f. `4 f4 `8 v2 t
- unsigned char buf[0x18];: u' ~9 a9 Y, [# u6 \, G
9 A+ Z+ M" C9 f: p7 |- fd = open(E2PROM_DEVICE, O_RDWR);
. T( E: d0 Q/ W- _ - if (fd < 0) {# v, I" z) w* v' d9 g8 L' M
- printf("Device %s open error.\n", E2PROM_DEVICE);, O/ T* M& K! B
- return -1;
$ G; i* }$ V1 B+ \( B5 N. q - }
6 E& f0 H5 b' L. ^2 [$ a" m; m - arg.sub_addr_count = 2;# |& Q1 S$ }- H/ o. M; T' Y
- arg.data_count = 0x18;! c8 i X/ ]% u$ L
- arg.e2prom_cmd_sub_addr = 0x290;" D B: L4 P% @7 P, L( H7 N5 Q; k
- arg.e2prom_cmd_data = buf;
* K5 {4 l$ B7 t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);( i& G) j( q' T7 N3 p
- if (ret != 0) {
+ x) [# Z) a( @7 L - printf("Device %s read error.\n", E2PROM_DEVICE);- Q/ [0 M. I8 h) K' g9 w
- return -1;
' d% S( Q3 g7 W1 T# }, [4 T$ ~ - }; H" H A0 n6 G0 [( Q1 p0 v
- memcpy(mac, buf, 6);9 e1 h$ y0 Y7 L: e$ L, g2 f
- memcpy(stbid, &buf[6], 18);9 _/ S7 x9 x F: ?
- stbid[18] = '\0';
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8 M% }% E% k7 G$ U0 s' q! f- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;( M3 B9 E' l, }0 N
- e2prom_s_cmd arg;
0 B, m- l8 b( u/ {" I* h, U - unsigned char buf[0x18];5 x; K" W9 I( _+ s- L1 E! ?
: N$ s+ a9 n: {; J5 q5 A- memcpy(buf, mac, 6);7 F+ X! o! G" p; x! r
- memcpy(&buf[6], stbid, 18);9 ^# v/ W! z( V8 O) i
- fd = open(E2PROM_DEVICE, O_RDWR);" ]5 ?$ }' z9 T. F* H
- if (fd < 0) {! J8 Z8 I" h% S- p. w% \, l6 ^1 o
- printf("Device %s open error.\n", E2PROM_DEVICE);# r6 d) M6 B) M) }7 b# K
- return -1;
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, j, y3 G3 m0 s& B - arg.sub_addr_count = 2;! Z% v: Y5 |7 Y7 X
- arg.data_count = 0x18;
) @4 u$ }7 ~- o$ t6 v I+ `* o3 t - arg.e2prom_cmd_sub_addr = 0x290;
+ z/ L6 z' f1 |) U - arg.e2prom_cmd_data = buf;
/ @! g# a* j' J2 R, D4 e3 i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 d. J! V5 D0 B5 k4 i+ d - if (ret != 0) {$ p; E3 y: R# L, o% t
- printf("Device %s write error.\n", E2PROM_DEVICE);( ?6 i8 _$ Z( t& `7 f) y
- return -1;7 ^5 s7 K% G3 x% P" X7 Y% q7 y G
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- return 0;# ?4 h% A2 i$ d' C9 T- w3 d
- }
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( a/ V- k& l1 |- int main()0 M. q& D4 `0 p% ~/ G* k( a" t& S
- {; d* n" n3 f/ y0 H, j4 J
- char c;
7 P- T3 F8 t F/ ` - int i, macs[6];
& }0 \3 Y [. D5 u - unsigned char mac[6];9 z: M6 A6 U \, y3 L% |# a% b
- unsigned char stbid[256]; ?; n S. Z# ?: m% G' e
- , u- J8 K1 m0 d0 o: W2 M
- if (readparam(mac, stbid) < 0)
+ G1 O& s, n U+ d - return 1;' e0 k2 O- l# q
- ; \' G# o+ d% B
- printf("Current parameters: \n");! J$ }! v* ~* R( y" h7 Y7 j
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, K- _% H. N3 B5 H - printf(" STBID: %s\n", stbid);4 X: G9 C% j6 k8 x" r9 I2 F4 V
- ) H+ @2 \9 `8 Z: D9 W
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
5 o; v* ^- I, W! W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. C, O5 `( T) F5 [
- printf("Input MAC error\n");; _- ^0 S6 c9 e2 w5 W* @3 m9 `9 h6 Y
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
& c! j4 O# l7 J) N - printf("\nPlease input new STBID: ");" N% o% L( x$ N0 w. K
- scanf("%s", stbid);+ c: b0 p+ H H. W3 L2 E% n7 l
- if (strlen(stbid) != 18) {
. d( A @. ?' [ - printf("Invalid stbid\n");" P* v' x( B7 H
- return 1;
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- printf("\nNew parameters: \n");' G) a* Y" L6 I5 u8 o! ~" S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, w) e# E* `2 @9 h+ ?# G' d6 G8 _
- printf(" STBID: %s\n", stbid);% k0 m6 B$ w; v4 t9 Y, |3 V
5 d7 L0 L/ @. n2 ?- printf("\nDo you want to change paramemters? (y/N) ");6 R2 k% Y& W% R9 q$ k% f
- for (;;) {* _3 M: ~& n9 w, i& ^3 u( m9 t/ l
- c = getchar();
: E% D' ~' i" h% G3 F/ h - if (c == 'y' || c == 'Y')
! V u0 P, b. @ - break;# D0 Y `6 f2 G# Q) s$ |4 z F& T p
- if (c == 'n' || c == 'N') {
1 B* n* X. u* Y2 j a - printf("\nAborted.\n");
; _* _$ W% V( Z' ~; L: g+ q - return 1;5 g' {. z! g% l: `9 f, N. b8 A
- }
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- if (writeparam(mac, stbid) == 0) * N4 v; K1 k8 i2 ]( I7 E( m/ S+ G
- printf("Parameters changed.\n");2 W* m% p; A& ^' P
1 k& S4 ?7 T$ f- return 0;: u8 [: ^% Q' r$ @2 U/ u
- }
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