本帖最后由 0522 于 2012-3-21 23:04 编辑
8 W3 W# X6 `0 ^# V/ c1 C6 ?; s# k) l" U$ z& w4 N
修改的代码早有了。到今天不会编译。
' |. D2 R9 u" O/ T需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; u2 M0 e# n% z0 N - #include <malloc.h>
* N' u/ h |) j5 N) m! @/ X - #include <sys/types.h>
7 P% i5 P7 h0 x8 P' }6 u - #include <sys/stat.h>( s e; c# z. b. l* R' W# g
- #include <sys/ioctl.h>; v# g% ^; S. o
- #include <stdio.h>% O! \- L. g& g) {
- #include <string.h>
% o$ p8 @& F# q- ~$ \+ D, A8 C - # m% W0 a$ j e
- typedef struct {
8 Z Y$ [- D6 l$ Y- u# w% e5 k& b - unsigned int e2prom_cmd_sub_addr;. V) s! |- Y) Q! Y
- unsigned int sub_addr_count;) H6 s3 n/ A8 m' `1 J8 L
- unsigned char* e2prom_cmd_data;
' h- e- m8 s2 k/ r' @" ~ - unsigned int data_count;! ]0 }, {. ?3 L) q% R
- } e2prom_s_cmd;
* U0 @2 H/ T- K) F - 6 j4 D) z$ v1 W5 E4 D B
- #define E2PROM_CMD_READ 16 I' c. V0 O& K
- #define E2PROM_CMD_WRITE 2
3 P/ h$ J& y8 h - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 c2 ?* O/ u. z, e- Q u' L) K
- ) l/ D4 j. d, f1 f2 X2 Q4 q
- static int readparam(unsigned char *mac, unsigned char *stbid)
' C5 f/ P2 c! \/ P9 W& A - {9 ]: i7 a8 }% O' u6 y# e* [. V
- int fd, ret;9 e2 `4 e, e5 m. A% {# A2 A0 Q4 P8 a
- e2prom_s_cmd arg;7 Z: H+ T' K1 k
- unsigned char buf[0x18];
; i; ^) Y. l4 V) g; \/ V* A
8 e* }7 |. Y( x7 ~- fd = open(E2PROM_DEVICE, O_RDWR);9 d2 a! \0 b6 _ `( E, ?
- if (fd < 0) {/ h& d* k [% c' g2 w+ _* w1 A
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 Y) V# G' L3 D$ R; Y - return -1;
! a; r9 d* f# ^1 V0 v3 n - }+ G! t! j9 W; _% B. T/ X3 [5 \
- arg.sub_addr_count = 2;! X, u% {1 ?/ h5 @- K2 z2 ^. p
- arg.data_count = 0x18;: _8 K/ O) ^, a* S$ j2 M9 {
- arg.e2prom_cmd_sub_addr = 0x290;
% _& e- S) m7 K/ U3 v - arg.e2prom_cmd_data = buf;
+ U8 ~% P1 [" | - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
" Y7 p$ H/ b4 G% [% }( a - if (ret != 0) {- u4 x! l6 o$ ]/ s' B
- printf("Device %s read error.\n", E2PROM_DEVICE);6 q6 m$ D" d( k+ F4 d6 K+ |7 q
- return -1;, X2 i9 x% N4 k8 u, o) Y5 j
- }
; ~; ^/ E* B+ @5 L; u* v5 J - memcpy(mac, buf, 6);
0 s/ k- w4 `7 f - memcpy(stbid, &buf[6], 18);) f9 l( k7 m2 F, |3 \% s
- stbid[18] = '\0';9 y0 h" s: |: T( U) P4 L+ `" m- S
* F) g8 G, m2 P5 U4 J" D- return 0;$ o- Y8 C: ?2 g8 t- W/ `
- }9 |, e7 [# ]( W5 d; n
- & H5 x0 [% u9 w3 x$ R2 F$ E/ a
- static int writeparam(unsigned char *mac, unsigned char *stbid)" V( q; t9 e. _% J6 Q
- {4 _" C( L0 G; F# [+ W3 }; X
- int fd, ret;4 Y( s. ]: U4 V
- e2prom_s_cmd arg;- [% M$ B3 v, n+ B$ H$ i) E
- unsigned char buf[0x18];
, e: g! W2 |2 d
) {+ y- y5 x' X5 W! t5 [- memcpy(buf, mac, 6);* Z+ ?, @6 g( P/ T2 v! \
- memcpy(&buf[6], stbid, 18);( N8 u$ x3 b6 W
- fd = open(E2PROM_DEVICE, O_RDWR);! ]! n& e1 c" j
- if (fd < 0) {- X" Z; L8 E) l0 i8 `9 P6 F
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 e! g+ Q& ]4 L* c0 n# Y/ U5 e - return -1;
9 M% Y& `5 f. H8 y- n - }
5 C8 k, d: M7 b4 r2 v - arg.sub_addr_count = 2;4 L T4 _8 u: P! ]
- arg.data_count = 0x18;
5 E- k( ]! l+ t3 B3 m! b9 {% D - arg.e2prom_cmd_sub_addr = 0x290;
3 C$ N" S, ]6 ` - arg.e2prom_cmd_data = buf;8 T3 O( f2 q$ t* u+ _
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% ?2 L- L7 t' j+ f4 _1 u, A( Q - if (ret != 0) {
1 h7 D Z! ~) `% y. x8 B: C - printf("Device %s write error.\n", E2PROM_DEVICE);( `' U1 t$ ^+ w: {
- return -1;
$ {5 D, v3 x$ L0 w - }5 [$ w, _2 _; m c- d
1 l6 N, G9 l; E0 b9 c- H7 q- return 0;' a! t( n* z% E" _9 B. x; R& k3 k
- }5 T+ d2 @4 |3 e! H
- 1 m7 h: ]0 p/ x" l/ Y' ?8 p9 }
- int main()' n2 u) I c7 H, s# s& I
- {" T! |9 ^5 S( _) A
- char c;4 R/ v6 M' A. k; J- u- M
- int i, macs[6];
- A9 h# ?# n) G - unsigned char mac[6];
! O; a! r" C3 [* t2 q2 ~. @& a' [ - unsigned char stbid[256];- X: g5 q- i. P$ D7 U5 I
$ U9 I( z' A6 o1 ~0 R: N- if (readparam(mac, stbid) < 0)
# H" f2 v. Y0 u/ c, l1 N* p, V/ @ - return 1;
( ?4 U$ f% {$ D' {
% g5 W6 ]- @2 }% n- printf("Current parameters: \n");
% u, K' U# I! o7 K: N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 A2 y3 U2 x8 G& \ d3 L - printf(" STBID: %s\n", stbid);
) g, N+ A- Y' ~4 M5 c$ b. c; x -
+ R& A, a" `( [6 i; t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 h8 f Q% Z/ s2 h. G
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 T* Y# _$ E. B/ g, O, |0 |$ M - printf("Input MAC error\n");
2 r. ^+ g# c2 x, u - return 1;
, a7 V: C6 f% s. F. N - }6 U. E, q5 k* Y8 r* `
- for (i=0; i<6; i++)mac[i] = macs[i];
4 u2 J5 d o: C0 G3 J - printf("\nPlease input new STBID: ");
# X! p5 Y- ?) ~& \5 N - scanf("%s", stbid);
# @3 {7 ]" t( F5 A - if (strlen(stbid) != 18) {
( Y& T8 J: v, ~# r, {, O - printf("Invalid stbid\n");
5 `! G/ K: k& o) G - return 1;
% Z9 r% f8 E5 w# E+ o( t' Z) y - }
& v1 ], x: |9 w- n6 W3 n: t- e- q- _ - printf("\nNew parameters: \n");) d" y8 Z" g: u6 k, o+ `8 \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. g, K( O4 a; K2 j
- printf(" STBID: %s\n", stbid);
* s J! Y( b( ~' F5 T- E: } - 6 A5 K& y4 l; G: ?
- printf("\nDo you want to change paramemters? (y/N) ");5 T/ @, N* V$ d6 J& C) t
- for (;;) {, L7 g! t9 x2 O$ J
- c = getchar();. r) _9 ?4 q7 j- p7 p
- if (c == 'y' || c == 'Y')
7 Q. |$ z3 F0 e - break;
9 \, l6 _9 S ~) _ - if (c == 'n' || c == 'N') {
% r% t: Y9 a+ S- c - printf("\nAborted.\n");/ u3 t' a5 X7 v
- return 1;
1 U2 O' N; l6 E* M* V8 X/ Q% M - }1 b! ^- i2 G3 r! v4 J
- }
5 N1 I: y' D! I1 u$ o2 l" ] - if (writeparam(mac, stbid) == 0) ! ?+ A4 M0 S$ g8 @; C3 X
- printf("Parameters changed.\n");
' N- |$ ~( E" L" l
; k# x2 r% o) K# `! X5 F- return 0;
3 X& n+ A6 i- {: E6 i& m, q1 l( V - }
复制代码 |