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。
* V' m" c) p" ` R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 G; `9 ^( ^% z5 G0 T
- #include <malloc.h>
3 }* n8 R! {8 a3 k - #include <sys/types.h>
1 P+ o( W6 X1 J6 [7 f) ~$ T7 }. Q+ w - #include <sys/stat.h>; C! G5 V* x0 [9 d! Q
- #include <sys/ioctl.h>+ H- _1 o# }0 E9 `2 m
- #include <stdio.h>) \: Q2 E! k. l1 c3 s
- #include <string.h>9 G/ ^; S- a0 v# ]
8 A& d4 e7 Q7 y% K8 \: @7 @" }- typedef struct {: b4 T( V3 l A% u" w' _. c& C
- unsigned int e2prom_cmd_sub_addr;
+ `6 P! S" U2 M8 Y - unsigned int sub_addr_count;
: |9 K4 a1 t0 F6 {# ]8 o - unsigned char* e2prom_cmd_data;
! J+ W) {7 [4 d5 T, t! T - unsigned int data_count;+ T7 y( j4 x; f* A
- } e2prom_s_cmd;1 v+ ]2 p1 g Z
, o) u/ {0 O# Q; Z% S- #define E2PROM_CMD_READ 1, y+ A% b# |! ~9 f+ Q& v
- #define E2PROM_CMD_WRITE 2
( D2 s) z9 P# a0 \ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
; {& ?# }; H0 X( T# b; q+ i
( y: A+ i. k6 I$ ]8 k% s* u$ H- static int readparam(unsigned char *mac, unsigned char *stbid)& E2 s8 F' Q9 N/ b' \" T: `( }. }
- {$ a# i3 Q9 Z) e/ c6 m; {1 Q" r4 |
- int fd, ret;
2 S6 u1 `& d0 q1 L G1 _ - e2prom_s_cmd arg;5 O6 a7 ]* {) m' }) V2 _
- unsigned char buf[0x18];$ n, i) c. _5 |9 W7 ^
$ X) h1 R* M" h2 ]# D: O1 G, V3 m- fd = open(E2PROM_DEVICE, O_RDWR);& ]: G) [' ]( n' ? V
- if (fd < 0) {; H& w7 ^3 V* i9 g8 i' k
- printf("Device %s open error.\n", E2PROM_DEVICE);
0 L4 Z8 Q; k; I/ u* O9 x V1 b - return -1;
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- arg.sub_addr_count = 2;
: v% C- V& j0 e$ `% `) x - arg.data_count = 0x18;) G5 J8 F+ z! m3 k3 x8 ~
- arg.e2prom_cmd_sub_addr = 0x290;3 a; L) R" L" _# a7 A. F8 O
- arg.e2prom_cmd_data = buf;
+ `1 F' y2 y, O, l' B6 i: j - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
2 h' F4 P4 N( O5 o7 m - if (ret != 0) {
. ?7 u( I- n# J- @% X7 m1 B - printf("Device %s read error.\n", E2PROM_DEVICE);+ o( \( Q4 r8 X7 V
- return -1;7 B2 R: Y2 X+ z& V8 B; r
- }0 D% F9 L- ?, B K! c
- memcpy(mac, buf, 6);
+ j: J6 C9 F; [6 n - memcpy(stbid, &buf[6], 18); J, d2 C* r, ~7 o# k M9 a; M
- stbid[18] = '\0';
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- return 0;
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- ( t4 q8 O8 Q2 u( k
- static int writeparam(unsigned char *mac, unsigned char *stbid)# v+ F& k# M6 F' U( E" M
- {
: e0 n6 b2 h1 d - int fd, ret;) O% b$ V" T" @ P( K: _
- e2prom_s_cmd arg;: `8 Y3 D, N i; w$ M- l. C
- unsigned char buf[0x18];7 m9 x X% L3 O3 ^, N1 ^
( k# E0 a; C, S2 N- memcpy(buf, mac, 6);
2 j7 e1 @+ n/ r. v. b- l - memcpy(&buf[6], stbid, 18);
3 `1 w" |8 s- U5 n - fd = open(E2PROM_DEVICE, O_RDWR);
. H S8 O4 J0 h. j7 b: _# j2 X - if (fd < 0) {
, b: ~9 ^6 b2 F* C, r1 o5 z. ` - printf("Device %s open error.\n", E2PROM_DEVICE);
3 I @4 Z+ v2 t' s& @* [* c0 `* h - return -1;
* x) V2 r9 |8 W7 z+ n3 H6 a" U) N/ l - }. P, d; p( f' [- U. u
- arg.sub_addr_count = 2;
# k# X) e3 Y$ g( P - arg.data_count = 0x18;
" C( k" E% z* P i" a) t; N7 u5 Q - arg.e2prom_cmd_sub_addr = 0x290;
* i. M D4 L% B2 A* P4 ^ - arg.e2prom_cmd_data = buf;
9 z& }' @' U b' g2 x - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' V. S( g# G/ y( v* R9 y# q8 R
- if (ret != 0) {* N$ K( q' a4 ]& `# y( X' a
- printf("Device %s write error.\n", E2PROM_DEVICE);0 K$ V4 T6 Y" R/ O
- return -1;; Q2 K+ o- t' \4 i, j- V. R
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! C. V4 `# k, o8 K- return 0;
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, M' {+ e4 w6 X7 y- K- int main()
# ]) D! C5 m8 Z - {
4 h$ W2 R& Y) R+ r$ e) x - char c;
% ]4 u9 o7 X8 R9 c - int i, macs[6];1 h3 ] \' c; ?# s1 m
- unsigned char mac[6];1 i$ _5 j' t( u6 H% ?9 Z
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0). w" J: k/ y3 {% c: k7 w0 ^" _% _
- return 1;
+ }7 ^( A, R) u2 i - 5 g6 V# D5 Y( T: K; L
- printf("Current parameters: \n");
% k( r( S- s) n. u6 w# J. d- V3 Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 t9 v* M$ T/ s/ I I
- printf(" STBID: %s\n", stbid);' M1 T5 s5 Z1 t F: L0 w
-
' D: X# {5 i: j* T - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& J! x/ P v' e9 c8 C4 X - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
, M1 v9 @; @$ i4 D& i" S1 L. ^ - printf("Input MAC error\n");6 s% C4 V% k; j# u4 S
- return 1;" T' Q( r# V1 k
- }
/ R9 h0 a' g+ s( Z1 ^$ i- O: V - for (i=0; i<6; i++)mac[i] = macs[i];
- J- o) ~. n. c* V/ o, x( B' F( ] - printf("\nPlease input new STBID: ");5 r X% @ M- ?/ U
- scanf("%s", stbid);
2 ^- U+ T# [5 S" D8 G - if (strlen(stbid) != 18) {+ r$ W, }4 M1 S2 K0 J. G; k
- printf("Invalid stbid\n");- h2 {* E6 e& @9 d2 s T; H- O
- return 1;
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- printf("\nNew parameters: \n");
( b; ?% B2 `, ?# k- o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 s+ U( t, ~# X* @% o- o - printf(" STBID: %s\n", stbid);
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# H, a+ Y+ U; c& e- y# D- printf("\nDo you want to change paramemters? (y/N) "); N! s8 ~0 D& z T7 N% t
- for (;;) {! _; \( ?5 x3 X" u7 n
- c = getchar();
7 b( I2 |# x3 K# M% Q6 V, R4 o& { - if (c == 'y' || c == 'Y')0 u8 w/ H( D8 m. Y8 w5 l, i
- break;$ }, I) B: f6 q) a, a; X% }
- if (c == 'n' || c == 'N') {
( F& b* ^3 u. _ - printf("\nAborted.\n");
1 Z8 w5 z. @9 R: H- u - return 1;7 }( n$ g, M7 Z C
- }2 Z1 \/ P" h" O2 R: b+ y, J: z
- }) v& M" @4 Z, f8 D# L( I
- if (writeparam(mac, stbid) == 0)
A" A: b! R) G% q9 x7 W2 C, U - printf("Parameters changed.\n");
# M# @1 J7 G5 U( K1 i3 ?9 A5 V$ ^ - ' H# W5 R: d, \0 ~; @
- return 0;9 f, D. u, w" R
- }
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