本帖最后由 0522 于 2012-3-21 23:04 编辑 ( G, x# E+ j9 Q$ _8 r E6 {
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修改的代码早有了。到今天不会编译。
/ ^+ j- M2 |" u3 R4 U0 h3 x需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: s2 x& l6 y a
- #include <malloc.h>, F; ? q9 X+ Q) w. F# e4 K
- #include <sys/types.h>
5 ` t3 \" y3 C! r- q - #include <sys/stat.h>
5 j5 d* u$ _. X9 V E- R: Z: A - #include <sys/ioctl.h>
6 u! g# _+ B7 |$ [5 A - #include <stdio.h>1 m" N5 I1 C t' c9 q* j
- #include <string.h>* i! I: @* I5 U" Q A% O
- ' m4 O- e6 f2 p n
- typedef struct {
' ^ r9 |$ S3 r' j, }; }/ |3 l - unsigned int e2prom_cmd_sub_addr;
- ?0 \; N; I. G F1 W - unsigned int sub_addr_count;
F, i; D* n i8 N3 g+ J - unsigned char* e2prom_cmd_data;. g3 u% z: J: u1 q
- unsigned int data_count;
- H5 n% y+ r6 n1 @ - } e2prom_s_cmd;- n4 S8 ]5 u/ [* Q0 `7 O
- * k6 {. h# r+ `' ?/ N! p
- #define E2PROM_CMD_READ 14 q/ }+ a1 h# H9 O5 Q2 O. R7 v
- #define E2PROM_CMD_WRITE 2
0 W& A0 e" ~/ y) ]# X1 c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
1 `5 K( z. E, S3 n- M* z& F4 o - 6 h0 ]* S* S5 g. C- f$ g1 F
- static int readparam(unsigned char *mac, unsigned char *stbid)' l" O/ y: W9 O, s) F9 i
- {
0 `( U* w; G& x3 e - int fd, ret;
1 F2 O) E2 B7 n0 Z" k4 g - e2prom_s_cmd arg;/ W! M8 o: K) r) [
- unsigned char buf[0x18];% P# L" O4 w: ]6 b
- ; r* `, R# R9 H
- fd = open(E2PROM_DEVICE, O_RDWR);
5 b& O* \+ \) F% t - if (fd < 0) {% h {. d! J* r! J4 C6 o
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 S, m- G: V. ]; Z" H* v - return -1;
# g) \. O/ w3 {. _5 k9 z - }
1 ]1 b' e1 ], ?! B2 Q) l# t" y - arg.sub_addr_count = 2;: L4 g6 D7 j9 V2 ^& W1 } m
- arg.data_count = 0x18;
1 L5 M$ \5 g: p - arg.e2prom_cmd_sub_addr = 0x290;
+ ^0 r* d: A L; Q- ~ - arg.e2prom_cmd_data = buf;
( ` Y& L6 {2 p7 w: P7 d - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; U. h* t# x- C( X" n7 n; ~! K7 ~ - if (ret != 0) {
. L; J# }& [4 Z5 u - printf("Device %s read error.\n", E2PROM_DEVICE);3 E+ U2 W9 m3 I4 D6 Y& M
- return -1;; [- `* q+ G( N0 s! d. e
- }1 r+ j4 \( W( E |+ ^+ d0 h1 w
- memcpy(mac, buf, 6); E& ?$ w3 @7 }3 \/ L' F& C7 s2 Y
- memcpy(stbid, &buf[6], 18);
4 o- K5 S. |$ d6 h+ Z2 G( { - stbid[18] = '\0';- D9 \: a0 `3 D( E1 S
- ' O: c$ J- B' Y6 P2 m8 X/ v
- return 0;; S5 m6 t* D+ p1 J) q0 R1 w+ n1 D
- }
+ \( U* S& ]. | Q) | - % _7 S9 G' \: W. q' G
- static int writeparam(unsigned char *mac, unsigned char *stbid)% G1 n5 W5 r( V4 E1 r
- {
( ]" m5 W$ C3 I; [ - int fd, ret;2 y7 U* ]! _$ `3 l
- e2prom_s_cmd arg;
$ Z n- k& h0 F. m2 V - unsigned char buf[0x18];
. Q0 ]7 I. N4 D
( d; o7 B/ Q! w- memcpy(buf, mac, 6); O, [( A; q+ q5 ]' a) C
- memcpy(&buf[6], stbid, 18);1 o: K9 @+ w( \9 R$ t2 `; _
- fd = open(E2PROM_DEVICE, O_RDWR);
/ v+ L, Y# p2 W5 c# _* r, r# J - if (fd < 0) {
* F7 R& d; w$ k' {( c) t - printf("Device %s open error.\n", E2PROM_DEVICE);
8 c" Q7 M, P' U - return -1;
7 ^& B) `- M, y! u - }3 b; [0 G1 t3 j" L% y1 h9 ^4 ~
- arg.sub_addr_count = 2;
% e! P; l* D. u- l/ ]0 w0 K* W/ u - arg.data_count = 0x18;
9 x/ u; @! u1 ~* P+ H - arg.e2prom_cmd_sub_addr = 0x290;( Z/ P' f: V) M3 ]5 _# o
- arg.e2prom_cmd_data = buf;
' f/ {( R: C: y* M7 W5 i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ K; h* P6 {4 l, X, m3 G6 h u! ~; S - if (ret != 0) {8 V1 P/ c. h2 r1 o3 \
- printf("Device %s write error.\n", E2PROM_DEVICE);
+ Y( v6 w( V( b9 w0 Y; p - return -1;1 n3 T( h) U. M5 g
- }: p9 ]: b/ Z- ~, ^
- , z' Q2 m; l5 d% C9 x% n) ?) m
- return 0;3 C0 R/ S; y7 H4 q5 Y1 o
- }1 C( \: u* [# V; B8 f+ v' y, Y: s
- - S F& h( W9 Q
- int main()
& V+ M4 r# l; k: o& v) P" S - {
, @' @8 m8 l! Y: W9 q% E/ C - char c;5 o8 ]4 j; ]" _6 I, p% N
- int i, macs[6];; y( B% e: ~) F' B
- unsigned char mac[6];
. f, v+ y, H) `( D - unsigned char stbid[256];( ?8 O! y+ R1 }8 }. i
# f/ J( ?0 u B( _- if (readparam(mac, stbid) < 0): q N/ r7 v3 e: k
- return 1;7 U1 y# B r) |9 ]! G7 D! j& |5 Z& \
* c, v C- A3 E3 Z- printf("Current parameters: \n");
0 P0 S n9 F5 S' {, L8 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& V3 r% t* `/ b0 G. h; n9 } - printf(" STBID: %s\n", stbid);3 _& D2 r/ S4 \
-
K/ y5 F/ ]4 K# f& L - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");3 m. M/ F$ ^5 \) V. z8 L
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 @+ ?% i B( k: K' ] - printf("Input MAC error\n");
t6 c1 J' ?9 j7 Q- Y2 v - return 1;
$ l7 _4 g% I: p - }: Z& O' c; d! D2 D1 m- Z; d- E' s
- for (i=0; i<6; i++)mac[i] = macs[i];
' B7 R# F1 ^2 Y/ C - printf("\nPlease input new STBID: ");
/ M9 e, _8 c0 P# R, b) n - scanf("%s", stbid);2 E9 f( j1 r& d+ s6 i8 i% ?
- if (strlen(stbid) != 18) {
( \3 v3 L2 [& K3 H3 O5 r+ ~ - printf("Invalid stbid\n");' d0 T% t; t4 G. p# T" u. U
- return 1;
" X( [9 y: P" f; \, v6 t - }
9 `) u# b# J1 y2 i - printf("\nNew parameters: \n");
' S1 b6 p' m6 M. t9 q* s- o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; e R3 \ M( }& b - printf(" STBID: %s\n", stbid);
9 m! ?/ G* o, Y$ Q. H - - ^/ z+ ^/ P; o) a
- printf("\nDo you want to change paramemters? (y/N) ");* n1 ^- R. D O
- for (;;) {( G0 v" ?2 N5 a4 I
- c = getchar();
3 N: q3 t3 M6 H8 m4 j& A1 A& @' i - if (c == 'y' || c == 'Y')
% I+ D1 {& v# ^# l - break;1 W: |$ C3 l, R' _5 E5 f
- if (c == 'n' || c == 'N') {
9 m( x k8 D/ P0 ~$ J - printf("\nAborted.\n");
( `+ e3 P8 S& i* X; |8 P - return 1;
7 q$ I6 o0 A. p, M5 N - }
/ k. _; U9 P" i* H' O - }
4 @8 h% a7 P2 r; i3 ] E& K( f - if (writeparam(mac, stbid) == 0) % P: `6 H; F( g! K2 F
- printf("Parameters changed.\n");
6 B1 a; ~, P* R: o- w+ A$ B' I" ?7 x
& X$ y! [+ X$ v5 U- return 0;
0 @! A+ N/ z' u7 L- H8 Q - }
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