本帖最后由 0522 于 2012-3-21 23:04 编辑 " r) D& y, G0 R' {+ X. s3 X
$ n% z R+ J1 s/ Q' a- v' c9 p
修改的代码早有了。到今天不会编译。# p+ L/ _1 U& Y) f8 t
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" ~! \ o* m7 u
- #include <malloc.h>& M; v1 p2 U" d4 j9 U( E- w# L
- #include <sys/types.h>
" {% ~$ B+ M6 c+ Z8 B1 r - #include <sys/stat.h>
% }" y$ O1 Z9 x: { - #include <sys/ioctl.h>
; I/ \: `' W4 A7 {9 p - #include <stdio.h>' {# O/ Y1 {. }
- #include <string.h> o0 w3 M3 Z- C" ?6 U+ }
- " V6 |9 R) s+ e$ A* X3 t
- typedef struct {$ _5 {9 @! B) ?+ e3 }) p
- unsigned int e2prom_cmd_sub_addr;/ ~/ b* S1 E7 _& M/ N% z* n7 Q
- unsigned int sub_addr_count;
2 s4 \+ p% y+ P* `* D% N4 N - unsigned char* e2prom_cmd_data;0 p# q) W7 C; ^, k6 A! H) W# e' j t
- unsigned int data_count;
6 ~' J, `9 ^4 f1 c% P. y x - } e2prom_s_cmd;3 _" V+ k9 X% Q% M8 M% q
- 3 n' w1 u. |- A- m! k. [( ^
- #define E2PROM_CMD_READ 1
) P+ ^+ b, ]. ?+ K. n - #define E2PROM_CMD_WRITE 2# B) _% y3 m7 j- t s
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
8 _( j! q6 Y7 ]# F7 D* h! k - + D2 H5 p* i$ P. y9 t* b! b# J8 C9 S
- static int readparam(unsigned char *mac, unsigned char *stbid); _$ z; o$ K2 M; P. s) K) A
- {
8 x% g, T% b( L% o: z - int fd, ret;
0 P3 m2 q0 u9 t$ g - e2prom_s_cmd arg;& H' N2 ]/ E) x. \; S. @
- unsigned char buf[0x18];8 A- o9 X" x6 ^
( _9 v% M; X+ Q9 J- fd = open(E2PROM_DEVICE, O_RDWR);* v3 ` Y" q- S4 M/ n7 I
- if (fd < 0) {
' d/ w1 i! e; d. N5 g - printf("Device %s open error.\n", E2PROM_DEVICE);+ L& S0 r% G" _. h" M! |
- return -1;' K# j& `) v4 X/ F* B2 @
- }
+ Z, R' r5 D/ ^) } - arg.sub_addr_count = 2;
* @7 g% @6 z$ m* V - arg.data_count = 0x18;" Y4 S6 G# i+ d' L$ t1 I
- arg.e2prom_cmd_sub_addr = 0x290;6 x9 Z; }2 a' D
- arg.e2prom_cmd_data = buf;
. O" ~1 K; J- r- B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 n) Y \- _( g$ h. g y
- if (ret != 0) {
, s, Q9 P& K+ t - printf("Device %s read error.\n", E2PROM_DEVICE);
$ s8 z5 B E- \3 |" Z) w% d1 u - return -1;
, X+ h! W) |; \ - }
( w0 I* `/ V, ^. q - memcpy(mac, buf, 6);1 F& y2 m6 J* y( T: Y& d
- memcpy(stbid, &buf[6], 18);9 m, S! V% g0 q
- stbid[18] = '\0';1 A8 e! C% W2 ?0 h+ d4 o
- / e0 U2 R- K" A$ b
- return 0;2 Z6 A, U( |6 A
- }5 Y2 s' K2 d/ p( c9 C5 D* K
- 4 Z5 k1 L% q- H( o3 a2 T
- static int writeparam(unsigned char *mac, unsigned char *stbid)
* [/ V+ T8 |5 @, \! P - {
3 G" @. P" Z) J$ \2 G% t1 p) f - int fd, ret;
1 I4 l7 L1 A! e! R, [ - e2prom_s_cmd arg;: d0 s1 t" c; e. e/ \
- unsigned char buf[0x18];+ c H2 r2 G: P6 G8 E7 D
- % H+ f9 Z* d9 A; h1 z7 Y
- memcpy(buf, mac, 6);
- l6 I9 L( v, A6 N$ J( {/ _: y( ? - memcpy(&buf[6], stbid, 18);
, H. I" `7 `" I9 ~ - fd = open(E2PROM_DEVICE, O_RDWR);
& d2 y3 @! ?% G7 Z* B - if (fd < 0) {2 y; J* {# A ?1 M8 n+ W
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 L4 m, C5 u/ D - return -1;6 ?, R% f0 v4 S' ?
- }
. H1 o1 M5 n/ m1 _: m5 V8 W - arg.sub_addr_count = 2;0 X% `+ {* h y9 @0 S% } u' Q
- arg.data_count = 0x18;
6 S, [3 H0 n0 B$ p1 x* P - arg.e2prom_cmd_sub_addr = 0x290;
. V/ X) Q' ?4 H. m# ^) k& o - arg.e2prom_cmd_data = buf;9 |/ e7 j7 B+ U @
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* B" \3 w4 e' o4 M% n/ t2 G - if (ret != 0) {
$ ~4 d( ]- O9 ?9 I - printf("Device %s write error.\n", E2PROM_DEVICE);
% x6 A* ?9 j7 |" N8 `; c! u - return -1;& W8 _4 _$ p: t2 |
- }
7 k2 J$ k1 h: m- }- D - ' F' g2 l0 D2 v6 Y3 @8 r1 M- l
- return 0;
8 P+ q& T3 A" S- K+ F9 {0 M& C - }1 n- j$ E/ @, m
9 S" c% k( L7 S4 E% K7 B! X- int main()6 i2 s. X- j2 |1 B3 l9 A2 S+ F3 B# S
- {/ J5 R: s; C& V9 y9 D# `) E5 K
- char c;$ g" b0 c. ]! U
- int i, macs[6];( p/ [( {" j& B5 h7 {& T/ u: W0 s
- unsigned char mac[6];- y) F; V/ \- Z/ x5 _( }5 s
- unsigned char stbid[256];1 f. i; A9 x4 y0 i9 j& ~, v
3 Y+ B7 {9 K+ z. L* j, D' S4 C- if (readparam(mac, stbid) < 0)
! g, Y) Q/ N& _' p - return 1;' h% r/ e: q& l" |9 Q, i' M
4 f9 ?6 r; Q7 k$ c4 H- printf("Current parameters: \n");
. {( b/ B3 f' \# }: Z* ^ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 }, {- ^* V& q+ O# x9 Q - printf(" STBID: %s\n", stbid);/ H0 V1 b7 b( c2 M7 _4 {
- " b2 ~: ~7 o2 v
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
# n3 e1 R. M% p. s% C# _2 j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# G5 v( w8 F& o% l: c
- printf("Input MAC error\n");
9 ^- p9 Q8 r f7 u0 Z! o - return 1;0 m7 N/ V) V( K8 z, G2 h; K- w' c
- }
, f1 O, } d; T - for (i=0; i<6; i++)mac[i] = macs[i];' e3 Q L8 K, X3 S8 i9 Q; s
- printf("\nPlease input new STBID: ");
; I% b$ S! L8 u - scanf("%s", stbid);4 O* x! q9 J7 ~/ ?
- if (strlen(stbid) != 18) {% Z1 B: b% y! Z; n5 M
- printf("Invalid stbid\n");' x5 {! O+ h' z1 q7 T# A& d; Y
- return 1;
8 M6 g0 ]% U2 l; M) i9 u9 R& D s - }
7 k; L& }! R. A; U, S1 E4 r - printf("\nNew parameters: \n");2 Z) f" N1 m3 v M7 W4 q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 Q: `7 S- \1 R; T0 [1 ^( c# q
- printf(" STBID: %s\n", stbid);1 X* a0 d9 W" O* _! w7 t
- 7 f( m) D& V2 k3 z+ P! Y" A4 t* B
- printf("\nDo you want to change paramemters? (y/N) ");
' U$ x1 t1 c1 w. S& P3 D1 L - for (;;) {
' k: P) L* a" ^% O2 j - c = getchar();
/ j3 y" j3 ^% U8 \# U1 D - if (c == 'y' || c == 'Y')! q% z/ P% [( n6 J9 A
- break;
& \" X' p8 b/ [/ Z - if (c == 'n' || c == 'N') {; S# C$ X& n9 G- Y. S9 S4 E* Y1 [
- printf("\nAborted.\n");
9 S% M6 g4 f1 u! k, U( L - return 1;3 U: i# L5 `1 v1 ~7 p: G* }
- }! \0 \% l- k a
- }3 F( W' Y @/ x& `! x# q4 e
- if (writeparam(mac, stbid) == 0)
2 _0 U3 `1 r& f8 ?" w5 y - printf("Parameters changed.\n");9 R: C8 E- h% @1 `# |( Z$ `
- / x: v0 r5 u- f `5 a
- return 0;
& M9 c/ Z* f, m/ D2 \6 E - }
复制代码 |