本帖最后由 0522 于 2012-3-21 23:04 编辑 & G) l$ m G2 F% k7 S2 A4 w; U
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修改的代码早有了。到今天不会编译。
8 z7 `* _/ q$ i6 b4 G9 }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; K% ~; u9 q! k! v) Y - #include <malloc.h>
" e1 r; m$ ]0 ~* j - #include <sys/types.h>
! M* J* w& B7 U6 i8 Z! x: J - #include <sys/stat.h>
, M: j+ c8 z* P& r - #include <sys/ioctl.h>
+ G4 o9 Q/ A" ^$ h - #include <stdio.h>
9 z6 r4 g6 [9 I. j: ` - #include <string.h>
8 }6 P! |" z" z. o9 o+ [ - / X1 V3 _7 S2 _1 I
- typedef struct {
9 [5 z. @; F5 \$ r% l' q; S* y - unsigned int e2prom_cmd_sub_addr;) D, W1 S9 F# l: w& i4 e
- unsigned int sub_addr_count;
7 B" f/ A/ L6 @1 T' n( m7 b0 X - unsigned char* e2prom_cmd_data;* X7 e! W7 G5 @
- unsigned int data_count;' \1 r3 E& j5 r8 Y
- } e2prom_s_cmd;
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* s9 | \8 b7 T M- #define E2PROM_CMD_READ 1
1 k+ x" H& F: d4 t1 k# _ - #define E2PROM_CMD_WRITE 2
) N; J N2 {2 u! }- m - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"& |9 |9 p& z0 r h8 I
' k% K2 ~) i/ n H- static int readparam(unsigned char *mac, unsigned char *stbid)- ]* J# B( x! V
- {
" i0 V9 v2 E: L: l - int fd, ret;4 e" [% k3 s4 ?7 S! G w! L. @
- e2prom_s_cmd arg;
! V6 ]8 U/ E9 b0 \/ _ n( C" v - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);( I; p" Y% E, d% ~& g# U, V) H
- if (fd < 0) {
* H5 U$ C e; \% o# W - printf("Device %s open error.\n", E2PROM_DEVICE);
: M/ @) I) a9 U, A: @% f: E/ c/ ` - return -1;
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- arg.sub_addr_count = 2;; O2 ^! w; y- G- x7 f5 Z8 H, ~
- arg.data_count = 0x18;
% \ n- r% y. Y - arg.e2prom_cmd_sub_addr = 0x290;
: v$ ]# a8 Y8 U ]: C - arg.e2prom_cmd_data = buf;' j( z+ t" Q3 V. x2 b6 J
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 h# |5 |" q4 D: h: U - if (ret != 0) {% J' P! M, }% [0 o
- printf("Device %s read error.\n", E2PROM_DEVICE);
; }8 B) S7 y/ }/ E Z5 }1 A; V - return -1;
. ? y* ^4 Z }* T; E! h - }. P1 [* c4 S! H9 m0 ?' {
- memcpy(mac, buf, 6);
# d0 ?# O0 i8 S4 H& z R# u3 R2 S - memcpy(stbid, &buf[6], 18);
. [! h* {( n0 k3 |$ { v, E - stbid[18] = '\0';
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+ d6 _# x E0 f+ m7 @" C4 ^- return 0;
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8 o1 L" n) o! G1 r# ~5 }+ J1 O& p& }- static int writeparam(unsigned char *mac, unsigned char *stbid)- ?4 I* U& \4 a$ k7 F& g: A7 j
- {" A% \; D" l4 g) u
- int fd, ret;5 m4 C# ]6 C8 O3 V) |
- e2prom_s_cmd arg;5 c, m) t1 A, \9 Z9 q
- unsigned char buf[0x18];# } S! f5 d+ g$ v; l/ T$ ]
' M& L1 T, A) _( d( j- memcpy(buf, mac, 6);
7 M1 t8 J T- r' t9 J - memcpy(&buf[6], stbid, 18);1 @8 J; C& f4 p' H
- fd = open(E2PROM_DEVICE, O_RDWR);
% K: I# C0 L, } i5 D- m) ? S2 G - if (fd < 0) {; Z$ O, @4 b& ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
5 E8 W) E, n, M( K- k# _ - return -1;* Y0 @4 T1 S1 ], \) [# a" D
- }, ~' _* c) A% F) c3 I' Z
- arg.sub_addr_count = 2;# x' s" z5 D6 d; B+ G# a9 w# f/ X! h
- arg.data_count = 0x18;: ], O: Y( M, |* M- O! r: Y
- arg.e2prom_cmd_sub_addr = 0x290;
% _+ P& F5 f/ ~- A- W- v - arg.e2prom_cmd_data = buf;
, s/ }( W. c2 W3 @/ V1 i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( Q5 c* I" M6 Y% d5 B4 ^ k
- if (ret != 0) {
% N) D8 P+ ^7 g( Z, W - printf("Device %s write error.\n", E2PROM_DEVICE);
; z: i7 i; p% x& L - return -1;/ V/ n$ t7 n- D1 ]3 C
- }7 O' ?* l8 ]8 ?
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- return 0;
! c7 x- Z' i( Y( w" X: Z - }
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b' \; h8 _" i- d* S4 ?- int main()
0 v( E9 f/ i- X; p( j3 u0 V m% u - {) _. ~- q% z/ T0 |* J
- char c;
3 B) D& Z8 E0 B2 H$ e - int i, macs[6];" k$ C* Z7 O) W- b F
- unsigned char mac[6];( D; _ {2 N' Y: X8 n) ~
- unsigned char stbid[256];& [3 g2 @" U+ T. b6 I# D5 p
9 R2 N5 p! d( T4 N- \, M1 q- if (readparam(mac, stbid) < 0)4 }+ ^# ^9 L* j* ]8 t0 b
- return 1;
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! K) i4 h" ]7 w6 s- printf("Current parameters: \n");
+ k3 U' s6 A/ d' Q. S - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% ^3 e5 G) M! K5 @+ F* }3 L - printf(" STBID: %s\n", stbid);
0 k/ E5 c- F3 _. \6 I* p7 z -
1 x, o3 ~+ _: r7 K0 C - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. _0 }6 b6 j$ X* Y- b
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {! }9 d9 k( V! g7 Y/ B/ S- z
- printf("Input MAC error\n");
/ ]1 l, X3 J0 C/ {7 [ - return 1;
; z8 d* Y& t) W+ D e% ]. c- J! T - }* I6 ^/ J: \5 q" v" T+ G
- for (i=0; i<6; i++)mac[i] = macs[i];
( U) r( t3 l% I+ a7 g - printf("\nPlease input new STBID: ");9 ~& t& I% |% s3 Q! m h9 H: w
- scanf("%s", stbid);" n& z: M; Y6 ^7 C$ D
- if (strlen(stbid) != 18) {
# m3 f8 W6 ?0 ^. z - printf("Invalid stbid\n");
: J! k, I4 Y: ]1 e7 ?, ~ - return 1;
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- printf("\nNew parameters: \n");$ o4 \7 Q/ E) S/ r' a
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 G0 Q: R4 T/ i$ k* h _# L- U
- printf(" STBID: %s\n", stbid);
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. [7 v5 `3 T/ q% g2 o( A- printf("\nDo you want to change paramemters? (y/N) ");. M0 E( r& ]% m
- for (;;) {
% f) l2 m( C& N5 Y- Q3 K - c = getchar();
9 }% ]9 |( q% }$ S5 g - if (c == 'y' || c == 'Y')/ _: V: O7 L4 S0 u3 V
- break;& d% I- D$ W$ I$ l" q6 G
- if (c == 'n' || c == 'N') {
! p' @ ^! {3 c! Q% `- H9 y. }' _ - printf("\nAborted.\n");
! G8 {' B o- `% m - return 1;+ v$ w# k% i4 F5 ]5 d& E
- }
. y+ t; _# D, K5 E - }
/ V4 Y1 e* f% |% y X - if (writeparam(mac, stbid) == 0)
) d8 p1 y1 b, d4 y: k - printf("Parameters changed.\n");
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2 E+ \# t1 S* K" m# E- return 0;
9 ] G3 O2 ~/ v, R - }
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