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。
8 R) t* ]& _1 h8 y% Y7 n需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( y& p6 J! v7 U6 M5 L0 m; a* H5 |
- #include <malloc.h>
% ? d3 L- s( w3 U1 W9 {4 k - #include <sys/types.h>
$ F0 _$ o/ F0 ? Y& P ^$ z - #include <sys/stat.h>
* k, E8 k [8 ?8 _0 u8 N - #include <sys/ioctl.h>
, H7 V& x5 D1 l% x7 I; y - #include <stdio.h>
# N4 p9 A; q1 k9 r: j# g9 L - #include <string.h>1 n6 k! k! S+ d& ]+ q$ F# y
- " g' b, P1 n. R! C' g: p2 l- y* a. |
- typedef struct {
% g3 Z/ N% |1 Y4 t - unsigned int e2prom_cmd_sub_addr;
. ~2 W" Q. J0 k5 {7 c1 F - unsigned int sub_addr_count;3 t2 X3 {% \- D& O% U0 k$ ]6 q
- unsigned char* e2prom_cmd_data;) r8 z' T3 H0 ?
- unsigned int data_count;
7 J% c3 D! D- I, S - } e2prom_s_cmd;
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# b$ \ N* P5 [; ?& q2 U" b, y& k9 E- #define E2PROM_CMD_READ 1# J( o* |) [3 p: g: b" Q
- #define E2PROM_CMD_WRITE 26 G/ T4 t1 B& _) h% V9 f
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
# u/ j0 D' o* _ - {
7 V: q7 {+ w: l' Q8 i9 L3 [ - int fd, ret;, a! _+ {- _; p( e
- e2prom_s_cmd arg;+ u% S: y+ u* s6 N
- unsigned char buf[0x18];: i) \7 j! n# @& s4 t; u; E
- ) o6 }* r9 N( j) t' I+ O1 O
- fd = open(E2PROM_DEVICE, O_RDWR);- w {+ F' i4 \4 Z( A
- if (fd < 0) {
2 S% q4 K3 U4 m; u0 M% Q- v: _ - printf("Device %s open error.\n", E2PROM_DEVICE);
$ g) b$ L& K: C1 V' _ - return -1;" b1 @! O* E% [8 H$ v
- }
* n# y' {+ W* [# x - arg.sub_addr_count = 2;* ^ i& S: P: z" M; ~
- arg.data_count = 0x18;
9 F& ^5 j& O. b5 b; V' V& M - arg.e2prom_cmd_sub_addr = 0x290;
: x9 v9 g9 j6 x+ Z6 ^" B - arg.e2prom_cmd_data = buf;8 u6 O4 @3 F9 E# N
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! b9 V4 l: u" A! }, C# ~. A% U
- if (ret != 0) {. b) A% W$ R! a5 `6 v6 U
- printf("Device %s read error.\n", E2PROM_DEVICE);
5 i; h$ ]( l ^* o5 L+ t - return -1;$ w! M' x z4 q5 @9 A0 c3 `) d
- }
9 {$ v: X2 R# v' ` - memcpy(mac, buf, 6);
3 Q' y; W, g0 v# }1 z+ k" o - memcpy(stbid, &buf[6], 18);
$ k+ u! x" b* L9 f7 @5 L, i3 k/ t - stbid[18] = '\0';1 C6 l8 C3 [7 L* u1 u! R- s4 s0 O
4 [0 {* `$ Z- c( T- return 0;0 P& M' \ E3 p, `! |
- }
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+ t' C2 O/ T/ {3 i/ t3 @0 Q1 J- static int writeparam(unsigned char *mac, unsigned char *stbid)! A* a. t9 I. P% g) ^3 F1 e+ A5 |) _
- {
/ R0 \& `' h( n. O. G - int fd, ret;. ^7 Z' E' S- F. X5 F" j) e# `8 _. o5 H
- e2prom_s_cmd arg;
) k+ u! g1 y/ ?" g+ O( t/ M* f - unsigned char buf[0x18];/ Q* c3 g) e5 {* H7 v- h( \
; Q" N; m, k/ n% C" f- memcpy(buf, mac, 6);" g0 N! R4 E5 w
- memcpy(&buf[6], stbid, 18);' z! m1 o2 `& g' r5 N
- fd = open(E2PROM_DEVICE, O_RDWR);
/ ~) u# w0 Q; N$ A' F" C - if (fd < 0) {" U+ N' x l6 L$ ? E+ X
- printf("Device %s open error.\n", E2PROM_DEVICE);5 N" }. Y9 P9 i" D* F
- return -1;! ~8 M9 g. G: n" t7 i" L* |3 b
- }! H) n7 h8 J* H1 [
- arg.sub_addr_count = 2;
' w! V( j0 ~* ]0 [ - arg.data_count = 0x18;
! c" D" C7 v' c& C - arg.e2prom_cmd_sub_addr = 0x290;) v- H( R$ B& q5 S- e
- arg.e2prom_cmd_data = buf;
2 c: m% Y; p& q$ h9 ` - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 C6 c, O* B, O( n# v4 K1 @( ]+ M7 U& V
- if (ret != 0) {$ r' n% f1 A3 E9 m
- printf("Device %s write error.\n", E2PROM_DEVICE);! b' a0 Z3 J, M+ r* P1 d
- return -1;
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2 W$ @! @3 I: ^/ x! e& w- return 0;
( o& |/ `* m2 o$ h- Z2 O! h - }
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- int main(), Z( c0 h; ?1 U: v/ L+ x! ~
- {5 M" T O6 V5 h4 o
- char c;
- F6 K2 m" ?! o1 V - int i, macs[6];
( y3 ]9 b( V( |+ {( d' _) V - unsigned char mac[6];
$ [! ]* b- H2 x) L$ y - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0): R8 b0 ?( z1 W: l+ R* f" \6 W: E H
- return 1;
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- printf("Current parameters: \n");- D4 o4 s) c) w/ l. }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 k- w6 `1 Q) ]9 p& O& e0 y
- printf(" STBID: %s\n", stbid);( f' l3 u$ c# s, P! b7 O6 ?" Z0 P9 X
-
8 r @8 ~) _% Y9 U; y. j - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");* k3 P1 N$ y. y% D$ p$ g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 m% U7 M( o) E% }* Q4 r
- printf("Input MAC error\n");2 T, N9 i, P$ X4 W
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];5 s0 n5 r& K |
- printf("\nPlease input new STBID: ");! h, l1 j. e w* A0 L* R2 t
- scanf("%s", stbid);- Z' W0 e+ g+ m( C
- if (strlen(stbid) != 18) {
" j2 i0 ]0 \% F! e7 z - printf("Invalid stbid\n");
% \3 R# `7 r4 x3 I, x g - return 1;
) \( S Y" ?- b/ _1 h - }
9 I: G7 g/ n4 ?% C( u7 x - printf("\nNew parameters: \n");
- ], w2 A6 |! F' j. O - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 Q9 f% @. L/ n& w+ W& f - printf(" STBID: %s\n", stbid);& R% L; A b H* n% w, s
! q8 ?0 m" E* h. V- y& Q- printf("\nDo you want to change paramemters? (y/N) ");8 Q8 f& w1 x5 f8 O. _1 D: S
- for (;;) {' \3 a2 q0 b* E. ]
- c = getchar();
6 u$ Z) ]8 s6 c: ` - if (c == 'y' || c == 'Y')
1 u( l4 R [9 @+ F6 Z - break;
1 x# K7 J1 d+ } - if (c == 'n' || c == 'N') {
4 w+ Y: T2 F9 ~9 W. m - printf("\nAborted.\n");
9 l; w m1 r- f8 o - return 1;' H7 {% T) x P% G+ V2 z
- }& t- x# |7 j, g( W# c7 n
- }$ q+ p( x1 m w4 u* t
- if (writeparam(mac, stbid) == 0) & P2 L* l! b. z. k# A! |
- printf("Parameters changed.\n");' ]+ j/ |) `: S; p! y9 L
- : v* B: k k2 \* x: c0 v) B! X
- return 0;; r% o0 \0 w' K: S s
- }
复制代码 |