本帖最后由 0522 于 2012-3-21 23:04 编辑 ) T `, E6 O) z7 {2 {, p& ~- h
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修改的代码早有了。到今天不会编译。/ \' F1 l- K8 e4 E0 @/ _
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% F& R+ A/ F8 s - #include <malloc.h>! @# L/ j2 Q% P8 H8 C) u5 W
- #include <sys/types.h>" [! T% ^6 O: ~
- #include <sys/stat.h>
6 c( F- e+ q3 ] - #include <sys/ioctl.h>; B, s4 F2 z$ f: y# O7 }/ s- b/ K) U
- #include <stdio.h>
- h* p( `# b" y% o, H - #include <string.h>
- V# O+ |6 g$ C, b1 E6 T
4 X/ n. o3 d! k- typedef struct {0 x4 ]+ P" x) u3 b8 F0 ?9 o
- unsigned int e2prom_cmd_sub_addr;, b9 C3 t$ \, d& q) E+ \ v
- unsigned int sub_addr_count;
3 V E5 P# O/ h - unsigned char* e2prom_cmd_data;
8 X- O. C( \5 h% ^ - unsigned int data_count;( c% W; E* ]4 y" [: b3 G' D
- } e2prom_s_cmd;9 H- U$ f W1 Y" R4 f5 J3 E" n3 B* k
- P# t f+ t5 V1 w, U3 P3 g( ?4 U! Q) J- #define E2PROM_CMD_READ 16 h4 [. [- R4 z. Z M
- #define E2PROM_CMD_WRITE 2( _8 F/ o' w$ _# f0 i3 y8 A( H( ^) X
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)2 x* w! l: J- ~
- {
. W5 h+ g8 O' C) A1 Y! M! {8 t7 G - int fd, ret;
* @& F$ `$ \4 m9 ]' k - e2prom_s_cmd arg;
4 B% Y7 ?8 [6 e& ? - unsigned char buf[0x18];: ^' {+ m0 G9 r& p" ^' f
0 j: ?; j5 R0 {1 F- fd = open(E2PROM_DEVICE, O_RDWR);* P* e e" t0 z; i5 M6 m1 d" H
- if (fd < 0) {" \& J8 J3 [- t3 O
- printf("Device %s open error.\n", E2PROM_DEVICE); S8 L! _' {. C
- return -1;$ [- j7 T+ K1 z' P
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- arg.sub_addr_count = 2;
% W C, o4 l' {. @7 S! k! D, Y - arg.data_count = 0x18;
2 W# h, B; K9 e - arg.e2prom_cmd_sub_addr = 0x290;
! d/ p# s4 X) n; ^2 G/ |4 X - arg.e2prom_cmd_data = buf;7 K% Z. V* E# ~; H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);/ D3 w$ ?" r+ Z' Z8 L. U
- if (ret != 0) {' m9 y& a# P4 l; x4 B1 e0 c5 [! m
- printf("Device %s read error.\n", E2PROM_DEVICE);5 Y7 L1 r+ M, P# |* B
- return -1;! L, d( \5 ^9 U
- } p% e4 N# Q. D' M; W5 Y
- memcpy(mac, buf, 6);8 I# z6 e7 N# `4 F/ y; @
- memcpy(stbid, &buf[6], 18);( n" `. X0 H# m( s" ~9 s7 W3 p
- stbid[18] = '\0';- |5 E. k2 D4 v K3 |
, K c. t0 _: P' ]- return 0;
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7 i: g) N- e. @& G3 D+ G+ O- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 o- C, N \& p1 K+ J Q - {
% v) n6 s8 k4 ] - int fd, ret;" s) Z6 y; A' S; ]; ^
- e2prom_s_cmd arg;5 Q' \! \1 _1 Y @3 `& n, _8 [6 n
- unsigned char buf[0x18];5 R/ Y8 m; ~: W
C2 d3 r8 N# Z0 B: ~, o( i$ E$ o; _- memcpy(buf, mac, 6);
9 |# R. A( S4 S$ D - memcpy(&buf[6], stbid, 18);: j: M. s U; D8 _" K
- fd = open(E2PROM_DEVICE, O_RDWR);8 T7 H' ^: Q7 O, m+ P- n9 c1 t
- if (fd < 0) {8 X, g. @4 ]% s2 Z
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ X4 G% D/ C( y7 J4 b6 x" l5 R4 n - return -1;4 w- H4 B% J/ G9 O ~; S
- }6 S0 g* {! T5 u, c0 ~9 E
- arg.sub_addr_count = 2;
" f1 @" S" P: K9 W& ~5 I - arg.data_count = 0x18;
8 J5 P2 C7 \! `5 O - arg.e2prom_cmd_sub_addr = 0x290;7 s! `. W6 o; |2 u5 F9 c1 M
- arg.e2prom_cmd_data = buf;" l0 W& D2 n! c& z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 o4 Y& p( Y. v9 C) ]
- if (ret != 0) {
; a3 T- X, W+ c4 h* c7 g. t+ g- x - printf("Device %s write error.\n", E2PROM_DEVICE);
+ [6 u% x' T9 Z# ^' W$ p# `, ]) V - return -1;
8 R) g) i Q( `: B( j9 ] - }
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+ R" }* c& ^. C# F; b" U- return 0;! p% o1 k0 _. q1 o* j3 u9 M% U% n" Z! \
- }
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- int main()
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3 u7 X* n" C5 ~: M - char c;
4 @" y7 E9 ]5 h7 `$ k) B - int i, macs[6];5 i3 W! t7 H& q
- unsigned char mac[6];( A9 ~1 r( x2 I2 o4 M
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
, ~, ]- t$ u& s# u( H$ ] - return 1;
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- printf("Current parameters: \n");) p q" I2 g$ j+ z1 o1 d' [. C4 p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: p, q ?0 U5 `- p( b& n/ U- c/ |
- printf(" STBID: %s\n", stbid);5 H( E# _# q7 r5 o. `1 o
- ! ~7 s0 i9 i) d1 K, N2 N. ^4 O- Z6 N
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
+ A# g2 e/ a3 r - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 `/ L$ N. K! P U6 n$ M( O, u+ F
- printf("Input MAC error\n");
3 y9 Z7 }# s, X1 X5 f& O7 e8 U - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];8 v! `, C" h* O9 Z1 M" b
- printf("\nPlease input new STBID: ");% a, ?( z; n0 h, n8 G9 Q
- scanf("%s", stbid);
( I" v' ]2 [8 x; t. o( K - if (strlen(stbid) != 18) {' o M; [3 n4 ~* G
- printf("Invalid stbid\n");. ^; E8 W# v2 `+ k2 Y9 H" R
- return 1;/ h7 |- `$ F; ~6 {# A
- }
4 ^* `) ~* x! a3 S - printf("\nNew parameters: \n");
5 y9 j& Y5 V, I8 a! e4 j! X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# w/ \0 Y# f% b; n
- printf(" STBID: %s\n", stbid);
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- v9 \# }9 F3 K2 u% s2 h) D$ A- printf("\nDo you want to change paramemters? (y/N) ");* F% S& V) M0 W( b
- for (;;) {, h* ~+ R0 y4 a2 v3 L: p0 g
- c = getchar();
% U U, k3 a7 r" Y0 p - if (c == 'y' || c == 'Y')
# q, T2 i# ~9 V. d% N - break;# }+ E+ [$ Q; m
- if (c == 'n' || c == 'N') {
: h* c* l1 l O6 N' m/ Z; ]& p - printf("\nAborted.\n");
& M& G) k, L4 F+ B7 A, x - return 1;
# u8 T1 r7 \5 ^4 C- A - }
2 l/ C) t3 m5 G. f - }
6 D, b$ u; U6 v. A4 y1 L+ ? - if (writeparam(mac, stbid) == 0)
! a# u; h3 C, f F8 i$ [ - printf("Parameters changed.\n");7 k( p# ~4 T5 W% q
- - E4 }6 K H7 E7 {
- return 0;
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