本帖最后由 0522 于 2012-3-21 23:04 编辑 W+ H7 L& Z- j7 j4 B" `, @
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修改的代码早有了。到今天不会编译。
1 P6 @7 K& U% C5 V: O; y' M需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ c3 |* i$ O- \+ h2 h- v
- #include <malloc.h>% c. Q' \, j' ?- E# z) B
- #include <sys/types.h>
+ c4 t& H h- O' R5 ^+ T2 a - #include <sys/stat.h>. B- m' j, w- E# |2 U( x
- #include <sys/ioctl.h>
+ H0 O$ l2 j7 O3 A7 @: n5 e Z - #include <stdio.h>+ O h( V& y. `. L6 a
- #include <string.h>
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3 k7 M. c- c2 \- typedef struct {4 K# B* E* R# u; n5 }
- unsigned int e2prom_cmd_sub_addr;
% f7 U5 W9 Z1 Q( D& C - unsigned int sub_addr_count;
C( _/ `! m& M5 X - unsigned char* e2prom_cmd_data;) e! M% u: I1 q7 D- O
- unsigned int data_count;
, U' P, G5 R3 l1 u1 ~6 | - } e2prom_s_cmd;- r% j! q! g3 g P% U
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- #define E2PROM_CMD_READ 1+ a# A' M, Q% O% m* P
- #define E2PROM_CMD_WRITE 2 s I( @3 v/ A# a* I- E
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)8 o( ]% _8 j, D p: W! D% u
- {) a) B" f0 {% n4 _4 e# f
- int fd, ret;
3 x$ Y( F) e/ j; }- e - e2prom_s_cmd arg;
% P# q: D o8 P/ l - unsigned char buf[0x18];
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& p5 ^- R6 Q2 V; m# [- fd = open(E2PROM_DEVICE, O_RDWR);
# G' y4 z2 g' l/ \ - if (fd < 0) {0 w) `0 ~4 V+ O% W# W: e6 j
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ |! D& w/ D/ T7 h - return -1;4 H0 z3 F/ ^ T) R2 j6 C5 i
- }
( V$ m3 b' @9 l& n - arg.sub_addr_count = 2;
' u9 ], M j: N' ^4 ] - arg.data_count = 0x18;9 o( ?% |( x/ ~* U3 q: ^) H
- arg.e2prom_cmd_sub_addr = 0x290;
; _, s. M/ ^: r- _' m8 ?2 N1 @ - arg.e2prom_cmd_data = buf;
: N" M3 W/ `0 p* O5 s - ret = ioctl(fd, E2PROM_CMD_READ, &arg);2 [) y$ P- P1 i5 K5 C' O9 f
- if (ret != 0) {
+ r2 C( o- b: i# [4 [3 x3 Z* P - printf("Device %s read error.\n", E2PROM_DEVICE);' f6 s& E% K$ b1 J) ]4 I2 M+ O- g1 }
- return -1;. c; Q) B" C# ?) Y
- }; |5 F% j0 e) }, d
- memcpy(mac, buf, 6); O& D! T$ P- t1 } `
- memcpy(stbid, &buf[6], 18);
$ i1 T# z' V$ f - stbid[18] = '\0';! }. Y% w' _4 V9 M. @) o
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- return 0;0 e9 t0 G+ o' z" l1 D, {
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 J n: v l7 |7 p; v' t$ W - {
. I# M$ Q. z" l. A9 W - int fd, ret;
0 I7 t* V5 O7 k- G - e2prom_s_cmd arg;
& u8 g9 U( C/ \8 [ - unsigned char buf[0x18];! v5 ?% A- l( ]2 v4 r9 X
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- memcpy(buf, mac, 6);
; b0 ?- @& Z h: d' v- t - memcpy(&buf[6], stbid, 18);& D- z) j. x/ x# m
- fd = open(E2PROM_DEVICE, O_RDWR);: R9 R( M: e( R) r9 X$ ~( O
- if (fd < 0) {
" m4 ?8 {) N; Y) q# Z" G/ D3 m1 d - printf("Device %s open error.\n", E2PROM_DEVICE);* I0 e8 V- O8 h
- return -1;
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- arg.sub_addr_count = 2;
) T: ^ n: c" p) l8 j - arg.data_count = 0x18;9 Y# w* T7 Q0 e# E
- arg.e2prom_cmd_sub_addr = 0x290;
' A/ r4 i% e( C9 c - arg.e2prom_cmd_data = buf;
, b. Y: k# a) e2 y/ V - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' `/ \9 s# Q. U9 L( u6 i0 M6 S
- if (ret != 0) {
' V4 G0 n9 {- s; c, G - printf("Device %s write error.\n", E2PROM_DEVICE);
3 }: L- [( ]+ a3 h - return -1;
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- return 0;" t- Y( I+ [( {( \
- }; S& l7 O! d+ U- k* q
+ V' R# g5 j7 ?% N- int main()
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- char c;8 A$ z; F! k8 t# R. D7 e
- int i, macs[6];
# B9 i: n9 V( _' c( J6 Z - unsigned char mac[6];
; r; T1 f" f& b% y0 }" z4 w - unsigned char stbid[256];
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+ l7 q T% T' o1 p' l% S& w- if (readparam(mac, stbid) < 0)# R5 }, m# V% p, Y& |
- return 1;
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9 e. |6 I0 t0 S( d6 X2 r4 @3 s- printf("Current parameters: \n");$ h& [ I0 B* l7 q1 Q' w1 ?0 [
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( f; A9 W/ I1 c: c - printf(" STBID: %s\n", stbid);6 t) ~4 y7 C$ J3 M) ?, E
-
/ M. O% ?) _, N0 C1 ~5 X1 x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( W! h6 K+ D* e. Z! {8 S
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 n) {8 J0 E+ a3 s
- printf("Input MAC error\n");( m k7 ]- t c3 y8 [! K5 L
- return 1;4 Z- ^# ^( K5 r' |/ }/ t
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- for (i=0; i<6; i++)mac[i] = macs[i];
# f1 |! z* |/ r3 ~) G5 @0 K) _ - printf("\nPlease input new STBID: ");
5 B- R2 }2 ^% C' s$ m( Q; O& A - scanf("%s", stbid);( z1 E- T" b) Y
- if (strlen(stbid) != 18) {
6 P6 [, F: |$ I2 ?0 q" a - printf("Invalid stbid\n");: }7 [- b) v6 k4 P
- return 1;
0 S- t! ]; x( _! M9 ` - }
2 d: E2 K5 u, v& Y2 }7 s3 {3 e9 P - printf("\nNew parameters: \n");1 p& t( }! ^: a5 K* N# q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( e' x- b+ @7 Q- ^" O - printf(" STBID: %s\n", stbid);
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" ?6 R f% q) _- printf("\nDo you want to change paramemters? (y/N) ");
1 w/ H* h) F: z6 E - for (;;) {1 N4 c0 q6 Y+ O) c, U4 h; j
- c = getchar();4 J1 d( H$ c6 N* u
- if (c == 'y' || c == 'Y')1 ]% @) S4 C/ Q' S# Z
- break;( {, R+ B: _3 M. o+ L R) Q
- if (c == 'n' || c == 'N') {
! f: b, C1 v' e - printf("\nAborted.\n");+ J. W' O0 G) [/ t. }( s D6 `
- return 1;( O' u5 q( c* ~6 G1 X( e6 ?/ H
- }
9 ^# z( ?7 w9 C R& q/ s* L4 L( Z - }
# Y- a$ a! }1 \! ^, _* y9 Q v7 A - if (writeparam(mac, stbid) == 0)
: P0 z& Y( m2 o, L - printf("Parameters changed.\n");
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3 A+ C1 C: k: l, W1 ~( h3 i- return 0;
' c4 n1 c+ e) K$ p4 p. H8 U - }
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