本帖最后由 0522 于 2012-3-21 23:04 编辑 . x% N, X7 c8 t9 x1 h
5 X3 C' d: @2 @1 }' ^) b8 e+ A修改的代码早有了。到今天不会编译。
2 x) C9 Y- Q, p+ i6 Q. f, R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% s: |5 T% @: M- H1 a$ ^ - #include <malloc.h>
6 i9 q2 O& U) _. _$ [ - #include <sys/types.h>- a7 v! W; `1 z7 U! ~6 T
- #include <sys/stat.h>
4 H* T0 }8 j) s ~% ~( T - #include <sys/ioctl.h> ]2 u8 `# r3 }0 W! i' q- {
- #include <stdio.h>+ y* l5 }" y- m# @$ N
- #include <string.h>& j% { }) I" l, V5 m8 |! Y& v
- , J9 B5 g+ P& b+ s; \7 j9 z/ e( {
- typedef struct {
% \) a9 T! S; z2 e! J - unsigned int e2prom_cmd_sub_addr;9 P% x$ H. E2 `9 A& i+ y
- unsigned int sub_addr_count;: A1 ]4 l7 z/ y1 h
- unsigned char* e2prom_cmd_data;
. T. b( t5 o, i3 U q; g8 y/ @ - unsigned int data_count;3 Y% N- \& m$ @
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1 n4 _# X Z* b, u
- #define E2PROM_CMD_WRITE 2
0 E4 t' y+ D G% i! e9 d3 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)5 Y. T, i3 W1 c5 r) `! l
- {
1 u: X( Z Y8 O. t7 v+ t% Y - int fd, ret;8 I/ _* p9 P2 S/ Z/ I. o) ]
- e2prom_s_cmd arg;% T: D5 E+ Z0 o7 H
- unsigned char buf[0x18];
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1 r" J. g& v; V( K1 I* }- c- fd = open(E2PROM_DEVICE, O_RDWR);
6 ` z. B) b/ a+ F8 C/ I - if (fd < 0) {1 V" B; A- K/ J: h, P; d4 T9 X% c1 j: v
- printf("Device %s open error.\n", E2PROM_DEVICE);8 {2 g9 H0 q, ~8 v2 X- d
- return -1;
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- arg.sub_addr_count = 2;
- u0 Z& d2 l g: ] - arg.data_count = 0x18;
) H& L' e+ e8 P n- h! X - arg.e2prom_cmd_sub_addr = 0x290;+ j- I k( i0 O6 D4 ^
- arg.e2prom_cmd_data = buf;0 w7 v! s* Y5 I6 m" b2 d* ?
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);: B6 d/ U9 z- ?6 D R a# L* {* L3 r
- if (ret != 0) {
* ^( `! Q' J, U; T6 H% t - printf("Device %s read error.\n", E2PROM_DEVICE); H+ s: l# I1 \, S$ J) X
- return -1;
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- memcpy(mac, buf, 6);$ }1 s9 L* C {/ G& f" e% b# f8 i
- memcpy(stbid, &buf[6], 18);, p9 S( N4 h7 @
- stbid[18] = '\0';
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- return 0;
) `7 B" \& H: A9 K: q - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;+ g* r; \# S' G7 i2 o. k
- e2prom_s_cmd arg;6 V; {) F8 J( Y+ a
- unsigned char buf[0x18];% Y' X6 C4 v4 c' x, p5 Y7 ]( w
- ' B/ }3 q* E, x; h; I* e' t; N. Y o
- memcpy(buf, mac, 6);
6 y6 M1 I* x* r# i! X - memcpy(&buf[6], stbid, 18);
}) J) I# I+ T4 |7 y: i - fd = open(E2PROM_DEVICE, O_RDWR);
; a N( a# g# p7 R3 h8 B - if (fd < 0) {
/ r/ e' R9 q6 @) R7 h - printf("Device %s open error.\n", E2PROM_DEVICE);' K- Y( e- L: R2 ?! v9 T. Q
- return -1;8 m! c4 g; k1 U0 E9 P* `% ]
- }* f% D1 L% s! G0 z) B* |3 U
- arg.sub_addr_count = 2;
6 ?) q/ y2 N: F! A$ U - arg.data_count = 0x18;) K3 q& t" J2 H q1 {
- arg.e2prom_cmd_sub_addr = 0x290;
+ h8 h7 k- C1 a - arg.e2prom_cmd_data = buf;
- W# p' d+ {4 P) s Q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, Z/ r, s# l0 C0 o w - if (ret != 0) {- a! Q( J1 j* l
- printf("Device %s write error.\n", E2PROM_DEVICE);
, E, F1 O# O+ r$ s - return -1;0 G% B8 ~+ w, `* K1 ~
- }
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- return 0;4 a8 a+ _1 T1 V4 m" V% S
- }
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- int main()' H* \2 L' {( ~$ w4 E& x; c% a+ h
- {/ U1 G- `) z7 l' m4 c1 u4 \
- char c;
+ M, D$ e9 I; n1 _" J - int i, macs[6];
3 w7 T4 W$ I% a5 ~ - unsigned char mac[6];
8 E( l! Z9 [7 C! r" g - unsigned char stbid[256];" D2 w, _- J. L ~( E# B4 g
- 5 @( r& A: D7 B2 P
- if (readparam(mac, stbid) < 0)3 [! V4 ^/ d) z2 W% W
- return 1;* `9 b) C* [% T+ i
- 5 O8 k1 S8 ^0 }/ y7 h
- printf("Current parameters: \n");
( t/ h8 c+ w; v( _& Y5 l2 z- y4 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 ]3 U( d) X6 i) }
- printf(" STBID: %s\n", stbid);8 Q$ M m2 R. y- F- B7 O
-
1 W. E+ @7 F- c; ]5 f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; K9 Z! c4 I: B+ a- u7 f. @7 h
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 `* F- `; H. q5 S' h" }* F" \
- printf("Input MAC error\n");" M" w. J' I5 _; M4 b& H
- return 1;
7 D+ e S0 p |0 R& X - }1 B6 V) n, u/ j8 [
- for (i=0; i<6; i++)mac[i] = macs[i];
, x7 R, N* e9 Z9 E4 Y - printf("\nPlease input new STBID: ");
+ l4 K1 c# e2 w3 z) O6 A - scanf("%s", stbid);* N2 K7 E: f8 V* S" B
- if (strlen(stbid) != 18) {! @* n0 z D: D3 |% v, h) h
- printf("Invalid stbid\n");# C5 r, `# C F( n1 N3 U% [
- return 1;, N! M; d, p( A8 }9 _2 H
- }
, V( q9 @: w8 |! }7 ~/ ? - printf("\nNew parameters: \n");
& I4 e6 k. D& I7 J* F( x0 E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
Y; I3 C/ ]" B6 X) P# I9 u - printf(" STBID: %s\n", stbid);
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) d; p" ?( _) a( L) J- printf("\nDo you want to change paramemters? (y/N) ");
; J1 n7 N* l! |% t* b' Y& P1 f3 ^+ ? - for (;;) {( Z" _$ K2 ]( k7 J
- c = getchar();
/ X/ A) z- c+ r0 b+ u# W - if (c == 'y' || c == 'Y')$ A% P9 L$ T# ^' G
- break;
# Q: w8 R3 N3 J5 M: D - if (c == 'n' || c == 'N') {2 F1 k& M6 Y6 N5 c- o+ x
- printf("\nAborted.\n");' ^5 c( Y ^. E! Q# {; R& t
- return 1;4 w, w+ p* p/ @
- }8 C' x5 e# k" U' |) A+ x
- }
3 V: ]% r0 h5 \1 P) L. y" ? - if (writeparam(mac, stbid) == 0) 8 P4 \# l0 D1 E7 d2 [/ f
- printf("Parameters changed.\n");" t& V' ], \# Y2 T* \' h
- ( x. }2 `, `: i# X- C2 Q: j9 E
- return 0;3 @& S9 Q3 I4 X
- }
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