本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。4 j8 _+ y7 t( N" j# J8 B
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; |. j( x+ j c7 E; S8 }9 M. e) m
- #include <malloc.h>
% q9 J* x$ _2 _! L7 A9 ~ - #include <sys/types.h>
. i* a& s: V% @/ D7 P# u - #include <sys/stat.h>; {; H. A# ?* t- ~1 J& c- o" n
- #include <sys/ioctl.h>
$ u- y9 X" w) h: B# _$ s0 U e* {+ S - #include <stdio.h>4 P2 M9 [2 i8 @) e
- #include <string.h>
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# \' n S. a3 I, y- typedef struct {3 `0 Z9 A/ j2 z8 ?0 W: X
- unsigned int e2prom_cmd_sub_addr;4 P t! p0 _1 Y. U& o) l$ t3 M
- unsigned int sub_addr_count;
( {6 K/ {6 m3 B7 U4 C( F0 C, ~- I - unsigned char* e2prom_cmd_data;
4 F9 p4 F) J% `. d6 X - unsigned int data_count;, M% `0 H6 ?5 D- _2 B% E& K
- } e2prom_s_cmd;4 V% z: q; D( l5 f6 c
- / P" C) V" Q+ g. U. y7 R
- #define E2PROM_CMD_READ 10 ~6 D4 o9 g- a6 G' ]
- #define E2PROM_CMD_WRITE 2
8 e# x, r6 i8 T - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"* }7 Q$ r4 P0 C$ D0 w
- : U1 \$ E' c* |% h% d
- static int readparam(unsigned char *mac, unsigned char *stbid)
5 L& f/ T- V6 d8 e3 } - {: V- P! m% ]) m* f9 {% r$ F
- int fd, ret;
" |; N S. X" | - e2prom_s_cmd arg;
7 h2 a4 S2 ^% H8 q) h" g - unsigned char buf[0x18];. V& _' U/ c, } C, J3 v
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- fd = open(E2PROM_DEVICE, O_RDWR);
% @# l! ~, d# Y* c s4 E; S - if (fd < 0) {, B; ~# K+ M3 g; x4 G6 {! Q
- printf("Device %s open error.\n", E2PROM_DEVICE);% K7 R J" P- T6 m: `
- return -1;" N2 k! _- i' ~5 C: M, m
- }
5 d5 ]7 e) [6 H: k - arg.sub_addr_count = 2;, V2 Z% [" ]" \/ {
- arg.data_count = 0x18;
/ q* o0 _- H' I0 n z - arg.e2prom_cmd_sub_addr = 0x290;
# ^; m& \$ v8 d( K; o, ] - arg.e2prom_cmd_data = buf;
# z+ I& d* M$ a& l7 p# D0 k - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! U; f/ T9 l1 d$ |4 y/ @ - if (ret != 0) {
! c. d" z% m0 {: `& u) a+ D- {, [, A& V - printf("Device %s read error.\n", E2PROM_DEVICE);8 v r2 N% D h' ~) S; v
- return -1;
" j- V, i& S. p- X - }
/ H8 E V+ A l+ H6 z% v - memcpy(mac, buf, 6);. _$ X) A# @* [! F" a( F
- memcpy(stbid, &buf[6], 18);
- t& W3 b5 t" t. q: A - stbid[18] = '\0';
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- return 0;
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% d1 ?) }9 C8 v e- static int writeparam(unsigned char *mac, unsigned char *stbid)8 x4 x* f# `' W- y! T+ N- G: T* L1 N R
- {
0 g* F; @, |/ Z. h - int fd, ret;; v9 {3 X+ k7 ^) J- \7 z
- e2prom_s_cmd arg;+ n6 m% ?/ y+ m9 {
- unsigned char buf[0x18];8 j- z; S# s/ @1 _# [ s1 f: {
2 {& Y/ v7 ]) F5 f2 v- memcpy(buf, mac, 6);0 P4 ^9 n+ e* a* C# ~* Y% B
- memcpy(&buf[6], stbid, 18);
4 t9 y* Q7 \1 [3 a# {0 @& y - fd = open(E2PROM_DEVICE, O_RDWR);
4 O) B' b8 F) [4 h6 t& k5 D* ?+ D - if (fd < 0) {/ |0 w3 Y6 U4 ^8 q0 ~. V0 _
- printf("Device %s open error.\n", E2PROM_DEVICE);
+ `$ L; T4 H6 ~0 b+ w) X. ?8 I - return -1;, L& i+ o/ H$ ]1 P
- }8 h) k. s' o7 L: h7 x
- arg.sub_addr_count = 2;
2 I5 I% t( z- T5 {4 U4 r( T - arg.data_count = 0x18;
4 X8 f, X! u8 s6 A - arg.e2prom_cmd_sub_addr = 0x290;
$ a4 [7 D' I- g( O5 v2 l8 O( t - arg.e2prom_cmd_data = buf;) l% f2 ]2 O/ B% R5 M; `2 A. ^3 Z
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, c9 F) c% i, u% R$ @ - if (ret != 0) {$ L5 W. o0 @& T% P+ _/ _! W+ E
- printf("Device %s write error.\n", E2PROM_DEVICE);
0 x6 G% `! e( q) l1 O* d - return -1;
% K+ c0 d5 A" E# r2 G - }
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- return 0;
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* p' b7 C( y2 R1 B' c- int main()
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7 D9 x6 O- I- p. U- M - char c;
+ [! B: I0 S$ l) l; r2 } - int i, macs[6];
T5 I& N) W" L8 F- e ~ - unsigned char mac[6];
6 l/ Q0 t5 g) q2 j - unsigned char stbid[256];
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* w( f: N% k: u# a1 [% d: c- if (readparam(mac, stbid) < 0)
9 f# b5 v' n: `6 ` - return 1;- v9 p9 t P2 l. P! E% Y9 N( [
- 6 ]& Z8 n) S8 e: R; p2 F
- printf("Current parameters: \n");
* [. ~8 {. L& ]& Y; q) V! R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: J: k; { @# I" ^, E - printf(" STBID: %s\n", stbid);6 X% r @4 L" b$ d" v, f# l$ C
-
- [1 ^7 [" @+ a0 c# H" z7 t - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; e7 Q5 C) C5 L; U2 F
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
" i( p" ]6 Q {, U' j; [ - printf("Input MAC error\n");
7 ^5 O+ P( I8 c; d- N- { - return 1;
6 r; J3 j: @1 q3 {0 ?7 h - }
7 z# ?( {0 Q$ r1 e1 b - for (i=0; i<6; i++)mac[i] = macs[i];1 F/ B* q V; T" U5 ~
- printf("\nPlease input new STBID: ");
6 _8 g7 ^. N, V t7 F- A. {! | - scanf("%s", stbid);6 v2 S. U! N* l7 Y
- if (strlen(stbid) != 18) {" p% Y/ H6 S; i
- printf("Invalid stbid\n");
- J" X. r: W% m& s( M - return 1;
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- printf("\nNew parameters: \n");( K9 e% X9 y5 r( m7 S
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! w v/ U: b2 [ [5 Y7 S# {8 }
- printf(" STBID: %s\n", stbid);1 H9 _+ |2 {3 l* E0 q* b2 n+ `
- / ?" y2 Q+ N/ @2 j% v, ?2 ~8 @
- printf("\nDo you want to change paramemters? (y/N) ");' _! L0 d( d, |/ r
- for (;;) {
9 b+ P& [: e) C9 U - c = getchar();
* _+ B z. T( _2 d, h! j0 o* Q - if (c == 'y' || c == 'Y')
% v9 o' k7 [) { - break;; T# r! |0 r$ J2 r7 w
- if (c == 'n' || c == 'N') {9 q1 l) P8 w: O
- printf("\nAborted.\n");
0 I7 t7 A a' `( t) l4 l. Q7 }- L - return 1;
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- if (writeparam(mac, stbid) == 0) # C6 b! g m* L% V, k! n* E: d
- printf("Parameters changed.\n");
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1 H a! k# f/ S% n2 ?& U5 i- return 0;& t8 C* q9 d5 A& V9 Q0 O
- }
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