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。
5 S2 h8 d9 e& F+ d1 |需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) [! h& K' V8 G& B0 R3 P
- #include <malloc.h>
z3 |4 [4 j9 d6 ^ R; n: y - #include <sys/types.h>' F& i3 ]- Q3 j# i4 w, j
- #include <sys/stat.h>
( T' K6 j( L- R# h - #include <sys/ioctl.h>
1 B) e( @0 k. _# K7 C6 |) x7 f - #include <stdio.h>
2 Y2 z6 u9 @% N5 F( h, }' ` - #include <string.h>$ z4 c: x! Z( C# n6 |
0 j8 C- J! C( F( ^) f6 }) o- typedef struct {
7 K' c0 [5 S! [" y; m' c E - unsigned int e2prom_cmd_sub_addr;, K; P/ p6 j* h9 U$ u+ c
- unsigned int sub_addr_count;
t* ~6 O' k( c9 P5 y - unsigned char* e2prom_cmd_data;
& A; i B/ _, z! r% [+ O- H - unsigned int data_count;
; X6 m5 }& Q7 h' O; d8 M, y% K - } e2prom_s_cmd;/ D- r1 w( l: J. w& ~
- % V! K7 R1 k1 o0 Q! D
- #define E2PROM_CMD_READ 1
# @1 J6 q( Z% v7 ] - #define E2PROM_CMD_WRITE 2
- Z+ _& {5 d. Z1 T8 Z- Q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
$ I+ _& ^& Z! {8 i, X) `% }
! K2 Y4 W1 K# L& _' L- static int readparam(unsigned char *mac, unsigned char *stbid)
+ H2 T# u g! w2 y - {
: c% m6 y; g. X) }# R" n9 T, y - int fd, ret;
0 ~6 E D, @; q/ H7 k0 c" p2 L - e2prom_s_cmd arg;
# ^" X- v# l, l. | - unsigned char buf[0x18];( C! Q k) V3 r% ?: x, e$ I: m
- ' g" ]4 h2 p* o9 C5 F- X" X
- fd = open(E2PROM_DEVICE, O_RDWR);
0 N( Y8 N: R& m+ y - if (fd < 0) {! s1 m( Z% V* r1 l
- printf("Device %s open error.\n", E2PROM_DEVICE);) {9 a' Y8 B$ u j# Y4 ]
- return -1;
% {( h% w3 c7 Y - }
8 S4 B5 Y. o! }: O - arg.sub_addr_count = 2;1 ~! c4 [5 I$ w, Z* b- @: h9 s( T
- arg.data_count = 0x18;7 k3 ]+ v( ]! p M5 t
- arg.e2prom_cmd_sub_addr = 0x290;! G# ^; p! W8 d/ J4 R7 C* F
- arg.e2prom_cmd_data = buf;9 ^, ?) R: W3 k( @! k) N' m3 q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" V" v. F9 j6 |& W
- if (ret != 0) {
" C6 H4 e; O8 x( n - printf("Device %s read error.\n", E2PROM_DEVICE);
% f& {- N1 c u$ c - return -1; ^- L, R3 S! l5 \! @
- }
+ A( ?2 p/ L" C5 ~6 R( [5 ^! r - memcpy(mac, buf, 6);) L$ P# a6 } i6 \1 H2 ]* A
- memcpy(stbid, &buf[6], 18);* C1 Y) r+ J( e) v& [
- stbid[18] = '\0';! |( ]6 w+ A9 r4 j5 i' X
9 V* T9 b- z1 F% u; y& {- return 0;1 g. ~4 I w( s; I, C# Q1 r' C9 _
- }
' p3 }7 T" ~' p% p8 h - ( p u; e& l5 v2 X! x
- static int writeparam(unsigned char *mac, unsigned char *stbid)
- E0 D. K! d5 m - {
) o7 m7 c% c- [! ]# X - int fd, ret;
" k' x6 K. q9 w$ c/ {. V4 M1 p* ] - e2prom_s_cmd arg;! b, k) t k) ^! H. [
- unsigned char buf[0x18];
( K! N' E9 N. |/ }
) t+ w4 m2 ^ |" Y. V- memcpy(buf, mac, 6);
- o# ^9 ^; X, ~3 Q9 u3 c - memcpy(&buf[6], stbid, 18);: D% c. ~2 c. O8 b' V% I
- fd = open(E2PROM_DEVICE, O_RDWR);2 P3 B8 e3 d- u% n* ^ D: v
- if (fd < 0) {/ b3 a9 h, l8 \2 y* [% Q
- printf("Device %s open error.\n", E2PROM_DEVICE);1 q0 F7 [5 w9 u: E2 @2 S4 H$ L# w
- return -1;: Q2 Z2 f4 \" m. M& T* E
- } [7 U. v! o; D% |1 \
- arg.sub_addr_count = 2;( F/ d, r$ [) ?& v: ]
- arg.data_count = 0x18;" @3 b' X5 E: P9 e0 z4 ]
- arg.e2prom_cmd_sub_addr = 0x290;
1 H J) ~9 }" G p. l) ]% s - arg.e2prom_cmd_data = buf;/ L9 ^8 z7 q, [" a) ^3 c
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);2 R* G9 O- S9 s
- if (ret != 0) {
+ K* e) z' w) W. E - printf("Device %s write error.\n", E2PROM_DEVICE);9 {; ` g$ ?, p0 K; B. O
- return -1;
+ Y$ B7 G8 U8 \ - }
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- return 0;7 D$ R8 _) A0 S& `: y; n/ z$ Q
- }
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+ g) u8 y) V$ p5 D5 g( L! ~7 g* @( o- int main()5 E. h) L3 i7 {5 b
- {* w% ?9 B, [( C- w
- char c;
8 |0 r: ? f6 y# }! q2 c - int i, macs[6];( |! B' j# f6 K2 ?7 s$ `
- unsigned char mac[6];2 R: k8 g- g9 ^" S- ?& D0 P* p# u
- unsigned char stbid[256];8 e; }8 d. P# B7 N7 B+ D% P
4 Y! M4 k' G1 s n' G+ S. U8 g- if (readparam(mac, stbid) < 0)
1 O! D/ n0 `8 d9 @+ j+ ~% Z* L2 B - return 1;6 E$ d+ u* V$ W5 G5 E' w9 m0 R8 O
- 8 [; g3 K9 } x' d* u
- printf("Current parameters: \n");9 I8 ?% R- y/ c) I/ a/ y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 K) g6 A3 T. |" [' W4 d
- printf(" STBID: %s\n", stbid);& L7 J) X# P+ ^1 V/ s, T e
- ( \1 S. V# v! O+ P
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( W# ^ d6 u0 u1 W- T. Y7 [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ Y8 f7 o6 z5 N9 @2 r6 l( @' E - printf("Input MAC error\n");
1 v! E1 ]$ n( r# `1 v! x+ M, ` - return 1;
" @/ @$ [; Q0 H- r7 u5 \ - }
9 k/ C: {( b7 K3 N - for (i=0; i<6; i++)mac[i] = macs[i];
; f+ }! b* G# g$ M4 L - printf("\nPlease input new STBID: ");/ A$ |( Q' I3 O7 Y3 w z, C2 B
- scanf("%s", stbid);; z0 ?+ H$ k! x% i. g" L# o
- if (strlen(stbid) != 18) {
. B0 v( \* l6 Z. e - printf("Invalid stbid\n");0 r, |) L. G" w: e7 d
- return 1;
( E/ j. [5 X" H8 I - }
$ u" L% F: F- h) S) p - printf("\nNew parameters: \n");2 D" s: m( ^) D8 Z) G3 m
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' H- q; F/ S* X& ]! B
- printf(" STBID: %s\n", stbid);# r0 Q! |5 y; m& R/ U( o
- 0 l4 Z/ `4 @& f9 ^9 t- y
- printf("\nDo you want to change paramemters? (y/N) ");
4 f: H* x2 Z/ E5 y; i - for (;;) {- ~) y2 W3 y2 _
- c = getchar();
5 |) G' N t; g* S" A% g - if (c == 'y' || c == 'Y')
b7 Q' Z$ X2 O4 _1 w - break;
4 r0 q+ T& b4 } - if (c == 'n' || c == 'N') {: @$ {4 U3 n( }8 l
- printf("\nAborted.\n");9 @# d( _$ k* [+ g. Z0 X4 h7 D8 y
- return 1;. `* {1 G, M2 t5 `+ p
- }/ L/ X! v6 |1 k) N1 q9 j* l/ E
- }8 J6 |% Z' s: y. s
- if (writeparam(mac, stbid) == 0) z( p4 m) O) R7 h" D1 g7 G: C1 H
- printf("Parameters changed.\n");% M1 m5 O& H; _8 b, x
% Q: ~) |) L: f* x4 u$ r- return 0;
( y8 b; v) L- `0 U! t1 E9 Y" ^( r- [ - }
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