本帖最后由 0522 于 2012-3-21 23:04 编辑 + E/ j! A% x5 }5 x6 m% j
1 G+ X/ ? Y% g+ Z5 f修改的代码早有了。到今天不会编译。+ _6 Q2 C& s: x1 {1 F, W$ M
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
3 s* d& }$ r" N, v8 x* ? - #include <malloc.h>4 ^7 M, Y; _9 V$ M7 ]
- #include <sys/types.h>" s; V% U& j5 E- o5 l) ~; M
- #include <sys/stat.h>
) H' E( V( ~2 X' y - #include <sys/ioctl.h>
* ^$ e! ^3 H( e J+ v+ R8 s - #include <stdio.h>
0 x+ k$ x4 B8 V- W - #include <string.h>( h( w, ]' B* c9 q/ [
- + a/ R" i- {! k, T" ~
- typedef struct {. Q% `; I; S( T" l
- unsigned int e2prom_cmd_sub_addr;3 e1 D @; q9 a: S8 S
- unsigned int sub_addr_count;
' u8 N+ A5 i- D - unsigned char* e2prom_cmd_data;0 J. [/ w* b6 B! c3 w: z
- unsigned int data_count;. ^% Q/ y2 @# T
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1. ]3 z" O1 _# x0 [, `0 K
- #define E2PROM_CMD_WRITE 2
5 g6 e2 B7 @0 U9 E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)) p0 H8 p5 h) R
- {
3 W, V8 Z: r _4 q& S - int fd, ret;
+ z6 D" y& d4 j6 D+ ` - e2prom_s_cmd arg;6 t$ K4 {* S, K( I9 K
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);9 Q6 F, t8 n. r7 E1 Y' d
- if (fd < 0) {
+ `- z4 L6 v! Y% y& D0 Z6 K9 i n - printf("Device %s open error.\n", E2PROM_DEVICE);9 q! I% `2 z. C# V( t6 g
- return -1;
/ {9 L m4 t; q4 t - }
' V, [; U% U0 {7 I% M8 W0 q1 w6 B - arg.sub_addr_count = 2;
& {* u- k3 o1 P0 z2 I - arg.data_count = 0x18;- _" K: q$ W6 c) J/ u' N
- arg.e2prom_cmd_sub_addr = 0x290;
0 u; T: z+ _1 ?$ w - arg.e2prom_cmd_data = buf;
9 m+ e% a: t; F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);9 k6 k2 W# L' L
- if (ret != 0) {
0 L: k. q- r0 a& w- D6 i - printf("Device %s read error.\n", E2PROM_DEVICE);. [7 @5 E& K) B6 @. i, t* l6 L
- return -1; n, x" D; Z5 k: K$ q! t7 H) Q: B
- }( }& x' T$ K( k, m# `" t; x
- memcpy(mac, buf, 6);$ e$ H F9 ?1 {" |$ ?" w
- memcpy(stbid, &buf[6], 18);0 l* e; e) {0 \7 A6 ?
- stbid[18] = '\0';
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- return 0;
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- ) F& \* T8 Y: q J
- static int writeparam(unsigned char *mac, unsigned char *stbid)5 J2 W0 K& O9 u+ t( h
- {
3 n, J, [5 h7 g& F. w - int fd, ret;
. W3 _8 J, v2 C. ^1 _& E( n - e2prom_s_cmd arg;" L: s1 N( p5 v' h0 _" O8 Y
- unsigned char buf[0x18];* w, D9 y& ~9 i! t- w
X$ ^5 P. M0 C+ [- memcpy(buf, mac, 6);
7 L) R' r- Z2 E6 M1 ` - memcpy(&buf[6], stbid, 18);; x1 p1 L! I7 H7 I
- fd = open(E2PROM_DEVICE, O_RDWR);* H0 b9 O% D. F# R
- if (fd < 0) {1 m; n) U3 r! U) R0 |9 M8 P
- printf("Device %s open error.\n", E2PROM_DEVICE);. S, j4 \1 X0 A4 ~ k
- return -1;0 j D2 \- m. `8 k7 l9 w9 m+ n
- }$ w$ _8 |2 O5 D$ u+ `% Y0 K7 b
- arg.sub_addr_count = 2;7 p: d) k/ i0 G. K0 o) p& R% H
- arg.data_count = 0x18;/ [4 v }: R4 ^( G( J% ?# q
- arg.e2prom_cmd_sub_addr = 0x290;
! b: T$ r0 W3 D# P6 t+ T8 @ - arg.e2prom_cmd_data = buf;
5 X3 R' C& R! o, n: _ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: c& C- d/ Z) \: E% f
- if (ret != 0) {. l- {# S9 Z4 @, E5 j
- printf("Device %s write error.\n", E2PROM_DEVICE);
2 c6 P" [7 q# l - return -1;
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+ N$ ~- k2 m9 x2 | H4 @6 N' p/ P0 r- return 0; z/ G8 [, U! F- G# n& w
- }
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! u& E9 ~+ \3 q) T1 P- int main()0 k/ r& l7 x$ P$ G
- {6 a9 `5 p4 x9 V2 n
- char c;
9 S" U1 w, q$ z' N6 n8 e7 N# o, c - int i, macs[6];
( v! T& }6 o; [0 b2 v A - unsigned char mac[6];) l, ~9 M/ z9 y! I" ] c
- unsigned char stbid[256];
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0 f5 f9 D# V! r/ D4 {- if (readparam(mac, stbid) < 0)3 X) N" p, j/ h" Z: ?
- return 1;
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?0 h% k N3 V1 F* K( O4 Z- printf("Current parameters: \n");
8 `+ {* O+ { P: ?! n3 } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 T) g# N# M! g2 S - printf(" STBID: %s\n", stbid);
* `- x" e I/ P r- F -
9 Z: W* g8 \6 K) C4 k- \) c# B9 ] - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% Z- Z: |* k' t8 ]- [, S0 s" r& ^
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
2 g2 E4 `8 Y+ k5 [ - printf("Input MAC error\n");
4 E2 H6 P1 \3 s( A' W* f: z- V - return 1;9 k& H: V5 c: r- l2 D5 J* Y
- }
% l! r. G4 J/ P) ? - for (i=0; i<6; i++)mac[i] = macs[i];
2 b) d' @+ @5 U* @. S - printf("\nPlease input new STBID: ");
" r5 m( }; X0 E3 `5 G$ m4 r& V* | - scanf("%s", stbid);/ ^& c2 S0 p4 M0 ~/ Y
- if (strlen(stbid) != 18) {
9 r0 b, ^0 h: S! \0 Y5 H" ^ - printf("Invalid stbid\n");
5 D8 l j$ m% q2 r! F9 @! |" U - return 1;
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- printf("\nNew parameters: \n");% J: R. J/ F: U5 h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: K( w) H- A2 w. q% D' K* K - printf(" STBID: %s\n", stbid);8 T& X- V0 b/ e) l
; L+ N7 T; g9 ], D6 h- printf("\nDo you want to change paramemters? (y/N) ");- y& r- E% d) w. D" n4 T1 Y
- for (;;) {+ O1 I8 l. M6 ~+ D* \/ o/ I0 |
- c = getchar();5 \: r" s1 ?( i8 E9 R5 e
- if (c == 'y' || c == 'Y')
& t9 U: u9 _; h D3 k3 Y - break;
' z- i8 K: ~7 J* H* i' ]% [ - if (c == 'n' || c == 'N') {; A9 j" ]3 h" h, f" }0 H+ I
- printf("\nAborted.\n");
( k8 n# {6 I6 C7 |$ g - return 1;
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- }
6 Q4 j/ o# k4 j- \ - if (writeparam(mac, stbid) == 0) , R) J$ Q' y* u: J3 ^0 r
- printf("Parameters changed.\n");3 l" b D1 e8 s0 S7 v9 F7 C$ H
8 u, @8 E* m, o- return 0;+ n- q" g0 p$ I( S( {; n
- }
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