本帖最后由 0522 于 2012-3-21 23:04 编辑 " ?0 f3 [( Q! c+ v( F4 ^- J- j
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修改的代码早有了。到今天不会编译。
+ O+ t7 z" O( B8 c" F& ?( g. J. Q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" T1 v+ e% T4 n' r Y# B- z( k
- #include <malloc.h>
/ q( h# Q! L% B* l% b - #include <sys/types.h>
+ Q8 o7 y' P8 E. s! q3 C - #include <sys/stat.h>! g( K2 q1 ? b( n
- #include <sys/ioctl.h>/ X+ k, }/ i7 D, X0 L2 {5 X
- #include <stdio.h>" T' \+ V/ F% \) A
- #include <string.h>2 e m. G, U' |' }" O* I
- 2 U& P8 N% h/ a( k( {5 o: Z
- typedef struct {$ l) c4 A# p! c& W( w( r+ Q
- unsigned int e2prom_cmd_sub_addr;
8 p& e4 A* Y: z& G& }5 R% `1 E3 { - unsigned int sub_addr_count;
) M% ~! a7 Q' K8 L/ C - unsigned char* e2prom_cmd_data;
5 _, \/ I, }" q8 l( h2 g - unsigned int data_count;
% D% Y1 C- C* z( V* _ - } e2prom_s_cmd;$ H8 Z1 F2 v6 s! b
- * e7 |; l) ~ k0 m/ g6 ^/ U6 h9 q
- #define E2PROM_CMD_READ 12 C) p: b5 P/ T- b0 J
- #define E2PROM_CMD_WRITE 2
4 E* B" t/ x3 @: L6 @6 L2 G" S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 C2 G. T' t. ^0 o
0 m1 N; ^; J" _' ^% R- static int readparam(unsigned char *mac, unsigned char *stbid)
% V5 x! Z6 S4 V' K - {
- h; q6 B6 G- } - int fd, ret;
7 c" g; E# \, e T) U2 S9 i- U - e2prom_s_cmd arg;
; ^$ m3 `$ a; p0 t* p2 B( t* ` - unsigned char buf[0x18];* l* }$ |' P: m5 o* W
- % y8 d% F5 F+ n0 G# o: G/ }: I! q
- fd = open(E2PROM_DEVICE, O_RDWR);
: [4 F; H. b& p, T1 H! c: N1 K - if (fd < 0) {
0 `" _0 F& ?- n9 h& g% ?. ^ a - printf("Device %s open error.\n", E2PROM_DEVICE);
2 i' K0 ^7 F6 m# ~+ `" a - return -1;
$ Q, B! d/ [( \3 E( H, }/ @: o - }
2 m; |& V+ ?6 S/ u - arg.sub_addr_count = 2;( Z) g# ^! o+ ]7 ~
- arg.data_count = 0x18;& R9 l! ~6 T9 Q: t
- arg.e2prom_cmd_sub_addr = 0x290;8 b V9 Y8 l3 p F5 R/ W+ w/ b/ y
- arg.e2prom_cmd_data = buf;
7 l' B( B( ?% p) Z - ret = ioctl(fd, E2PROM_CMD_READ, &arg);% k" H* o8 c- s" J7 G
- if (ret != 0) {4 @9 J( |1 |- Y B" X
- printf("Device %s read error.\n", E2PROM_DEVICE);$ @8 `, r% w5 d! {+ m0 }
- return -1;, t- w( j y/ B- s5 B7 y( O) _
- }, G# B9 E: M! q9 |
- memcpy(mac, buf, 6);
- g+ i% j0 w* Q# R; O/ }8 q - memcpy(stbid, &buf[6], 18);
- t+ `2 E) R2 L" y - stbid[18] = '\0';2 |7 @/ g/ x1 n4 J
- 9 t( o0 N( D* v) p) n f
- return 0;% v/ X$ B: B( J9 x t
- }
# S; ~! D3 M. P Y8 j- B8 `
) b3 W3 r$ [' U6 e/ C- static int writeparam(unsigned char *mac, unsigned char *stbid)4 U' }; |% U; z! z) W
- {: r* T& L3 M) y* ?% F$ |
- int fd, ret;) E6 z/ T1 i5 c
- e2prom_s_cmd arg;
- d2 E3 s* q" k n" ~; h+ j2 N5 H - unsigned char buf[0x18];
1 ~: A2 N" h; } - - C$ S% Q( D( n% r
- memcpy(buf, mac, 6);7 j: R3 b" u2 ?
- memcpy(&buf[6], stbid, 18);& \- E* j' Q* L; j2 r6 q
- fd = open(E2PROM_DEVICE, O_RDWR);+ \7 z6 O# r) Q3 Z8 u9 g
- if (fd < 0) {8 O: w+ n Z; V/ D( M1 O ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 i/ Z# q, l; @) N B9 Y - return -1;. E) `) j. [# Q6 h' d. U
- }% K! W1 D6 U" ]) B! Y9 `
- arg.sub_addr_count = 2;
; n* h% {) W% c - arg.data_count = 0x18;
- a2 i" c) I- Z6 L* @1 \ - arg.e2prom_cmd_sub_addr = 0x290;' X, V+ h; c& |% H& w
- arg.e2prom_cmd_data = buf;
' P% J' Q0 \" h# t# Y# P6 p - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 N2 M# w# f6 M' L: Q' k! z - if (ret != 0) {
. N I1 D$ f' Z$ w* n - printf("Device %s write error.\n", E2PROM_DEVICE);) b, [) _( Y& W8 m
- return -1;2 r: T9 l. p) H6 a
- }
$ _6 r$ y2 k# h7 v1 U x6 q' F. @ - " Y& A! V' v5 ]1 q W
- return 0;
8 I6 S. n7 x' q& o3 B - }
3 G* [( B* p' g/ B/ n: o) ~8 A
. ^/ @* v5 r5 z- int main(): _1 l) O5 f( D5 p# q' \3 d
- {
" x# V4 H/ k9 ]6 l! C5 q, M1 ~" L - char c;" |( w1 A* |0 H9 M) `7 G+ T
- int i, macs[6];
9 I& f! B& f/ I, N' I - unsigned char mac[6];
5 F! G f' E# J1 x: l - unsigned char stbid[256]; g K. }+ O- v$ A) |) Q; p: A
- / ~) H+ E N- a* H* |6 M
- if (readparam(mac, stbid) < 0)
: f; |* i: U5 x+ s: X, D' D7 ~2 D - return 1;; z0 i( A) |% O
- 2 P0 N) k0 T c- a2 g
- printf("Current parameters: \n");
4 l1 m* y1 Q( H3 a! V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ E, m7 w( ^4 D/ W - printf(" STBID: %s\n", stbid);
7 L& B9 q7 `( ~' A! L; s: Q1 N$ A - 6 I. C/ f7 c' `( S9 p
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 _# P$ c- y9 n! e. S% |0 ` S) U) v
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; t/ D# v, p/ l" y - printf("Input MAC error\n");4 Z4 t! Y" z! _# `& l
- return 1;) I) c* o% d4 H2 |9 F
- }8 v$ Z1 q. N3 H3 ?7 p
- for (i=0; i<6; i++)mac[i] = macs[i];
+ Y4 w1 t [3 G- d - printf("\nPlease input new STBID: ");
! q2 p& l" Y% t - scanf("%s", stbid);
0 v. ]1 _3 R( ]7 Z& Z - if (strlen(stbid) != 18) {
, x6 t$ h) O" V, E: J - printf("Invalid stbid\n");
+ o, x& i2 v; |& K/ I8 O - return 1;
1 U! K) J! d' w g' s - }
: Z/ W2 r% G# ~" C# [ - printf("\nNew parameters: \n");7 b, o9 A' m& j# ?0 [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# f6 `( c6 L5 X4 }+ G - printf(" STBID: %s\n", stbid);0 Y4 o2 s; }$ l% {5 N( y
* |" h* B3 s4 W) g& n% p- printf("\nDo you want to change paramemters? (y/N) ");
- m6 k) u; i6 B) O# x* h, {+ E - for (;;) {
9 K7 o- d( ?# |1 D+ A5 D( m - c = getchar();
$ E {9 T8 o% |2 G/ H7 T8 u1 c5 K - if (c == 'y' || c == 'Y')
3 @$ c- [! K3 W, y+ B k - break;
6 N2 \! c2 ~2 @( N- K5 w e - if (c == 'n' || c == 'N') {9 M' z( k' p' A! b N- ^$ C$ z) N
- printf("\nAborted.\n");% a/ t0 h4 x5 z6 {0 u
- return 1;: Q: e- }8 f, u" {& V$ A
- }
% w+ z6 n# U7 Z+ y# u - }8 y; X j# r) W& k/ j1 Q/ u
- if (writeparam(mac, stbid) == 0) . @, ^2 U m% f5 ~) }( f
- printf("Parameters changed.\n");2 z; H( e& J9 D& U/ A5 D
- / G# c( Q- h, T: ~
- return 0;* d# Q }# w1 Y+ @4 _
- }
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