本帖最后由 0522 于 2012-3-21 23:04 编辑 ) z1 u" I3 U l
/ ]: G, k7 X, D, p4 o N$ w+ K修改的代码早有了。到今天不会编译。) p' G+ R: J% e7 G2 P0 P( w
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 R. q% | ^2 t* O
- #include <malloc.h>
5 `3 L) ` F7 ` - #include <sys/types.h>2 p( ?) v ?3 U& V# L/ A
- #include <sys/stat.h>% u6 p0 {. z0 c8 h1 J
- #include <sys/ioctl.h>
. O. j# ~( l4 @3 p" O8 \ - #include <stdio.h>/ M3 e# @0 r! M' Z L* j
- #include <string.h>" W, v3 a7 q8 I* |& F* {
- 7 @7 _: W2 j& {8 T5 S" ]! A4 D
- typedef struct {
# Y/ n d/ t* r9 t/ ?: ~ - unsigned int e2prom_cmd_sub_addr;
/ ~7 U8 C& e. P. z* g r( ]" v - unsigned int sub_addr_count;; ^. r( O) {5 c# ? w8 K
- unsigned char* e2prom_cmd_data;. d5 d: o$ S, E
- unsigned int data_count;
* z# K. ?. T' }. V" g- G* \ - } e2prom_s_cmd;
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' g; y" q' q- b2 U( A7 l- #define E2PROM_CMD_READ 1
6 ~+ r5 L' h& e& `* h - #define E2PROM_CMD_WRITE 2! s* b+ q9 l/ |! F* z) h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 b: W7 k5 P4 Q; s- }: o
- - ~* l4 i* _+ b, j
- static int readparam(unsigned char *mac, unsigned char *stbid)* O; b) @7 f3 W
- {5 z3 p5 z0 A4 h* i( y4 L! ^
- int fd, ret;6 R( j' ~0 p/ l" v) q
- e2prom_s_cmd arg;
( }5 z3 J2 G+ D$ K0 l& x - unsigned char buf[0x18];. T6 a3 m# k7 r
* N7 e% Y' t8 f2 t- Z7 y* e- fd = open(E2PROM_DEVICE, O_RDWR);
8 G- Z* `& n9 `! {8 ~* v1 V2 R" D - if (fd < 0) {+ A1 Q# j; p; d1 H! f2 [& K" D9 A, u
- printf("Device %s open error.\n", E2PROM_DEVICE);2 v3 J: G, Z c2 F
- return -1;
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- arg.sub_addr_count = 2;
1 p: y4 _3 M/ g/ `( X8 O3 ] - arg.data_count = 0x18;
! \ Z9 n6 S A4 x. L - arg.e2prom_cmd_sub_addr = 0x290;
/ ^) g- L8 v9 i5 a - arg.e2prom_cmd_data = buf;
- H8 R; h: U% F2 c7 n5 r! }6 Z: L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);' J0 r% `, r, ~- m7 S
- if (ret != 0) {% S8 |; }& n. [% g9 ]4 s# Z
- printf("Device %s read error.\n", E2PROM_DEVICE);9 r4 N: A! b) n9 M! D4 q/ s6 u4 T
- return -1;
# k8 G# R, [) R - }
$ F9 a/ {2 P6 R" u- Q @3 z7 M; {6 i - memcpy(mac, buf, 6);
8 J" E" W. c0 T. L6 Q# e; g) g - memcpy(stbid, &buf[6], 18);
' z) S* ]! w6 C+ I3 K& t. N( @* S - stbid[18] = '\0';
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- return 0;/ u9 J9 U' ]/ @: }- e B% U
- }
+ U) T, A0 Y: I6 j" x: L# [$ S - / i* I. v1 l. I0 S4 o; \: {. _* K
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' O: ]% {' [* t( ?! o* O - e2prom_s_cmd arg;* S2 @) j/ w# w( x
- unsigned char buf[0x18];
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( k( F6 {* [ ?( ~- H! \- memcpy(buf, mac, 6);
/ U1 n8 a$ |: _ - memcpy(&buf[6], stbid, 18);; E5 R1 Z* N" ~0 L! ]/ u
- fd = open(E2PROM_DEVICE, O_RDWR);* o$ ~5 V* a5 ]6 i. k
- if (fd < 0) {9 N- Y8 p" c, z( n) B8 N7 w. T
- printf("Device %s open error.\n", E2PROM_DEVICE);/ h- d3 c7 I: l) X
- return -1;
4 n8 Y$ r% U# Z- Z& e8 z$ a8 P - }* g- ?0 O; [/ b) t
- arg.sub_addr_count = 2;( ?- q3 Y# V% x( P3 C
- arg.data_count = 0x18;
/ v. G: u; d- H) ?* D# l - arg.e2prom_cmd_sub_addr = 0x290;
" P q: |2 }4 t0 `2 v/ w5 I2 P - arg.e2prom_cmd_data = buf;1 V' H0 L) Z% V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 I. I4 [5 l- d% Z6 R: S - if (ret != 0) {, T* z2 P4 p% R- I- ]! v
- printf("Device %s write error.\n", E2PROM_DEVICE);, [8 D6 Y, z' K) S0 ^
- return -1;
; |' c Q( y/ ` - }
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- return 0;2 S$ U" h9 q" |& u5 k# z
- }' @0 g4 j9 J6 a) v
4 q6 e% t. f* g: _0 Y) _9 F- int main()
1 q% @5 _2 c* Y3 Z7 U1 i - {
* |0 Q' ]# U, n/ |6 {- I - char c;4 V- f8 S# W( g
- int i, macs[6];
" c' n% u' I* b1 y - unsigned char mac[6];
6 Y8 T& X( A% A; T. [$ S - unsigned char stbid[256];
$ _8 G1 V+ `6 U) {$ I$ f
5 N2 }$ _) y9 m1 d5 m( `. d- if (readparam(mac, stbid) < 0)$ b1 {9 E8 E& |& H m. ]* e
- return 1;
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- printf("Current parameters: \n"); C. t: s; W+ ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* z- U, X A- _, F9 U2 T
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 K8 e0 o) G" {) \( f. k, a; K! O* k
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 O- e/ |4 `# u& l a% [- u. }7 ^9 |! } - printf("Input MAC error\n");
0 `' u( f7 a' X& j; r4 i - return 1;
; t% W G- M' [ j# n2 f3 f8 V$ K - }& G C/ X$ @2 L
- for (i=0; i<6; i++)mac[i] = macs[i];
+ `2 @ ~- X2 Q6 r' s* \ - printf("\nPlease input new STBID: ");
6 n# b- ]1 I5 n7 _# ] - scanf("%s", stbid); [4 p& ^$ M- `; `/ D
- if (strlen(stbid) != 18) {
, E, i- j4 d/ K& M" t$ k - printf("Invalid stbid\n");5 s5 x2 Z. C v7 D2 r) q! |1 @$ W
- return 1;) D' V0 [) A; W
- }# Z8 p- |: q. M# e) P2 K& ~" z
- printf("\nNew parameters: \n");
4 f$ a, U/ Q5 h4 j- _* ]: j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);5 }) X m# R6 ~, _% {
- printf(" STBID: %s\n", stbid);
1 j8 d2 B8 ^0 g4 t; x9 M3 g: ] r - ) D, z Z8 d0 p2 \/ p0 j" `$ C
- printf("\nDo you want to change paramemters? (y/N) ");
1 r( P: e% D$ d6 |% M - for (;;) {( |; O: X/ P ~- b: z
- c = getchar();
; }9 Z4 m6 D7 C( l; @! a - if (c == 'y' || c == 'Y')
+ n' Q" ?2 H, A - break;
4 d6 m. S( g& D - if (c == 'n' || c == 'N') {# ]1 R9 W, ~" `& A; h
- printf("\nAborted.\n");
5 s0 y' e4 t, p - return 1;
8 _3 z( Q+ h7 I0 ] - }3 j8 I. Z% k$ [9 P4 J- Q
- }
- `, e! C; W* \8 V" ^4 @) ^ - if (writeparam(mac, stbid) == 0) " S6 r) k8 P1 M% |
- printf("Parameters changed.\n");: Y2 ~2 E( n5 m/ B3 `8 B+ H
, l: n F/ u g# F' f q/ G- return 0;8 n9 l E8 l9 }$ {+ r9 K
- }
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