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。9 j. M6 ^+ L% w" w. q" `" X9 T0 H( z* Z
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>. }& W+ g0 Q' r* M' U
- #include <malloc.h>
9 x2 A( N0 m( y- } - #include <sys/types.h>
$ f) x7 g$ z9 q+ r, ?( O2 L C - #include <sys/stat.h>8 M: @ m; u; B; |2 `3 J
- #include <sys/ioctl.h>
# s$ `/ ^" B/ C& P$ z - #include <stdio.h>
1 V) S# A7 u- Z4 z - #include <string.h>& |8 r$ |+ m2 G+ x" v
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- typedef struct {' f9 D; P, H7 f5 q9 ^- f5 G4 a+ M
- unsigned int e2prom_cmd_sub_addr;6 f5 O, w2 w7 `# x
- unsigned int sub_addr_count;8 |; q; s, E9 B" B4 |
- unsigned char* e2prom_cmd_data;
; U& V7 m9 c' ^& g. l - unsigned int data_count;8 J8 [+ D# K6 f! A/ u$ t: c
- } e2prom_s_cmd;0 X7 y, x# _+ p% x$ B8 L# D2 U
( C3 o7 p. \$ Z: S- #define E2PROM_CMD_READ 1
4 H% [; `6 Y+ ?. } v - #define E2PROM_CMD_WRITE 2
6 v) \4 U# m+ ^$ M+ z& m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
, h Q' p& b5 l! D1 t' j" Z - {
% P# ^7 n9 E2 P! j7 c& Q - int fd, ret;: D; G3 n& u. x! x$ P; O9 ~
- e2prom_s_cmd arg;
! ^0 A2 y- b5 ^ - unsigned char buf[0x18];2 V9 Q% p* W0 H1 S# [8 [
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- fd = open(E2PROM_DEVICE, O_RDWR);
$ E. s d( \" s' s! n; F1 c% s - if (fd < 0) {1 q+ B u& m! J0 {
- printf("Device %s open error.\n", E2PROM_DEVICE);
( ^) A, N3 H" j; R! v) I - return -1; V3 o/ d& n6 ]: x+ C4 L8 u
- }) [7 @5 A6 `' {( v( y) g, c
- arg.sub_addr_count = 2;
8 [# `( F" \( Z5 J - arg.data_count = 0x18;
5 r: F3 o" N+ c7 b, M& U* Q& P8 W8 U - arg.e2prom_cmd_sub_addr = 0x290;
1 I( a- |" \! A/ A# p7 s - arg.e2prom_cmd_data = buf;
1 V/ H }1 |) i0 a0 ^% _7 C% \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);% d- p+ g' n* b4 p+ l. |1 k% f
- if (ret != 0) {
5 x, N( J1 ?7 {$ r - printf("Device %s read error.\n", E2PROM_DEVICE);
! H! z7 @% f* j- \5 D0 u - return -1;
+ \( F! o1 R: X% n& y* O - }
2 G- G+ d1 P# J \ - memcpy(mac, buf, 6);
. h% ?; G/ ^5 g, v+ L9 _: t - memcpy(stbid, &buf[6], 18);
' L* H1 f% Q- \, v3 A+ s; I - stbid[18] = '\0';
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+ H8 {! f) i5 R" f/ d& r- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;" `( A" p7 M& h6 `3 s# s9 E
- e2prom_s_cmd arg;; [6 l6 J9 Y1 O2 h( e' X9 U
- unsigned char buf[0x18];
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9 v7 i- {6 j- e4 U- memcpy(buf, mac, 6);
! h% k9 a; [, c! B/ I b/ z - memcpy(&buf[6], stbid, 18);3 |7 ]& J# z$ ^2 b
- fd = open(E2PROM_DEVICE, O_RDWR);
( e' E7 }3 l! u4 W1 L - if (fd < 0) {& a0 ~2 c& O x7 q/ o: z+ r. w
- printf("Device %s open error.\n", E2PROM_DEVICE);
* {; v* l& G) W% Y/ W' g/ Y& y" h - return -1;
, x/ p+ ~9 I, F' |* e6 g# C - }
- v( w2 \; z0 a - arg.sub_addr_count = 2;8 h7 u: o; K' E5 Y. o
- arg.data_count = 0x18;
: v0 L: W& B: ]/ ? - arg.e2prom_cmd_sub_addr = 0x290;' j" H* k$ `+ {# }
- arg.e2prom_cmd_data = buf;+ K9 k8 _ D4 ]6 Q0 J0 l
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);5 D: B ?1 |% l8 X4 T! q4 d
- if (ret != 0) {3 [0 x# V8 x [. D3 t: j5 Q5 f
- printf("Device %s write error.\n", E2PROM_DEVICE); i; f1 _* \9 |! y- @
- return -1;
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- return 0;
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- int main()# u7 y4 Y" J n m0 @+ b
- {- U: J: Z8 m5 d+ V. z2 E
- char c;. F* c5 k" }, C5 H) D7 E
- int i, macs[6];. L' D: `; T1 z* h. `
- unsigned char mac[6];
" \4 q: u- m. p" m$ ` - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
) \; f/ m' W, y$ } - return 1;
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7 M) Y, I h7 N' U1 N }5 w4 b/ ^7 z- printf("Current parameters: \n");% L8 L" h/ J3 d, V: k/ Y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# i8 z' m) q1 t$ g0 ?/ h; h. M
- printf(" STBID: %s\n", stbid);
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$ y# j5 @( d8 t& X' b( h4 ^ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% s$ x, I: k9 x0 N: P8 u( {7 x. F - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# k0 p" m1 P" ?2 e6 b
- printf("Input MAC error\n");
1 O) X! r6 h1 m; c8 v/ N4 q - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];9 c( Z) l" y$ w# U8 R# V6 [6 E! O
- printf("\nPlease input new STBID: ");% Q O( O) H z, j7 }
- scanf("%s", stbid);
9 D9 g. ]2 W9 k x0 b& y3 {# N - if (strlen(stbid) != 18) {
/ c! @% ~6 N; Z1 ` - printf("Invalid stbid\n");
; D4 j& Y9 p. Z5 Q4 c: N - return 1;
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- printf("\nNew parameters: \n");
+ B7 X/ f0 b. B8 S7 s. _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);( k" A) X' ^4 { k8 G
- printf(" STBID: %s\n", stbid);8 H! ^$ f4 P- L9 j
- # k8 G, n; x* V3 T, J* x9 R2 N
- printf("\nDo you want to change paramemters? (y/N) ");& w8 M _* M; F6 N1 z1 L
- for (;;) {5 v3 z8 t/ ?8 Q5 f& |- J! |# x
- c = getchar();
" H7 Z [) c/ j! E5 B - if (c == 'y' || c == 'Y'). I3 Y, n- J+ c1 N
- break;
! i4 L- ]5 e5 W! Y - if (c == 'n' || c == 'N') {" T n5 b& _) D/ A
- printf("\nAborted.\n");
9 H! `) ~9 i/ i2 o& w" s' S - return 1;6 I5 }6 j4 j$ w0 k5 \7 b
- }
; w- @) s0 T8 Z- f8 L - }
7 ^' P- F( H0 ~/ P/ N - if (writeparam(mac, stbid) == 0) " H4 ~. `' z7 I1 p
- printf("Parameters changed.\n");
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9 ]! C8 q, r2 \* ^9 U e% G- return 0;, x1 n# \1 C- v( l! D8 w( W; i
- }
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