本帖最后由 0522 于 2012-3-21 23:04 编辑 ) f1 w1 Z% f: u; A. |2 h
. [0 }6 b8 O( x" I, n
修改的代码早有了。到今天不会编译。- |! X1 @9 a) F- A" `
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! [* L( K1 x/ _& q$ z2 X8 D
- #include <malloc.h>4 Q0 C5 h: z1 F1 F) F2 ?
- #include <sys/types.h>
+ Z! v, Y6 {: Y; `9 J - #include <sys/stat.h>
6 [- C0 \2 P$ I- ~ Q0 Z - #include <sys/ioctl.h>
1 H7 H0 d( G5 h - #include <stdio.h>
0 V" ~4 o* Y2 P$ y" J1 v7 g o - #include <string.h>5 j# S h8 |7 X: o9 u! ~
- 0 e9 ~. C, Y$ {* N1 x
- typedef struct {
, }" S! S( |# [- Q; i - unsigned int e2prom_cmd_sub_addr;
" X, j! Z* A& D. f0 k, }( {$ L - unsigned int sub_addr_count;
- m* S- f: a# L! ^" f - unsigned char* e2prom_cmd_data;
2 e! Q9 D! K0 T- v- r - unsigned int data_count;
p0 p) _( U, m; O) [ - } e2prom_s_cmd;/ [2 c1 u& F7 h6 d' Y+ \! T
* `. W1 g3 R* _( j* b$ o- #define E2PROM_CMD_READ 1
* [+ A% r, @, T7 s# Y# A. c4 l+ s - #define E2PROM_CMD_WRITE 2$ }" V. {# ^) r; O* e! P9 P* P
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' S. g9 t D6 v3 X( B
- 0 f% J2 C8 K3 r- X O+ y
- static int readparam(unsigned char *mac, unsigned char *stbid)
. _, O8 \1 o8 P {; L - {
+ n( K3 T e8 r: I4 H - int fd, ret;
& j% G5 X- a# G" M! }- Q3 x1 n# | - e2prom_s_cmd arg;" @4 ?/ o3 t x2 U) }( ?7 c- z$ u
- unsigned char buf[0x18];5 v Q, x% M8 q
- * U) @# x/ ]# S$ P' z
- fd = open(E2PROM_DEVICE, O_RDWR);6 O" a4 }7 ?1 U6 L' p$ N5 e
- if (fd < 0) {& _* g3 ~$ _. e8 f+ V
- printf("Device %s open error.\n", E2PROM_DEVICE);
9 y b0 s: ~; D/ E) _+ [) C9 V - return -1;
7 ?5 a' |6 T/ B# l6 \3 v% {" ] - }
% U/ L1 L: d* _- K/ N - arg.sub_addr_count = 2;1 h+ \( X! n+ |8 l5 c; C* `
- arg.data_count = 0x18;9 n, n5 P Z/ q3 ^# ~! F3 Y
- arg.e2prom_cmd_sub_addr = 0x290;& S/ V/ E6 W$ s' Z e( |# E& k3 J
- arg.e2prom_cmd_data = buf;6 Z$ Q! L L9 y. |9 p5 k7 I' q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);. G+ u; `! o, y$ k, K
- if (ret != 0) {) g- M: F0 u% k0 `$ i) ]. v) I; ?
- printf("Device %s read error.\n", E2PROM_DEVICE);* ~" c4 R1 m- ?
- return -1;- | \' z5 P& j4 s
- }
) a$ n) {1 a) V4 Y. H - memcpy(mac, buf, 6);$ c1 R! k+ f9 d* l. j1 l! ^6 R
- memcpy(stbid, &buf[6], 18);
8 H* u+ `7 r7 P3 j' r* T+ J1 Y m - stbid[18] = '\0';
; q& x# B1 G* |6 {
& R1 W' N. G$ W; c+ p' g- [- return 0;* Z+ f, D- f# G6 s1 T/ Y; @
- }
/ Z3 k L+ I) N* `8 A0 j, O5 T1 e( G, u4 m - ) N* a9 i$ T) W4 O* R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
6 C. \2 ^& {8 P; p2 _ - {; T' T: x. v6 n, f3 j5 _ A
- int fd, ret; N3 {. C+ {- A# c E& ] z2 L
- e2prom_s_cmd arg;: y- Q1 W6 D# M/ R" u
- unsigned char buf[0x18];
' Y2 o R2 q& l3 J - 7 P5 t6 l5 r" a$ c y9 ~8 o- n
- memcpy(buf, mac, 6);$ Z: p5 J$ Q( n! e
- memcpy(&buf[6], stbid, 18);
! @( e. M. r/ c0 T: P - fd = open(E2PROM_DEVICE, O_RDWR);
4 }# t. y, b9 s. I% ?. Y - if (fd < 0) {
* \( {4 t- r& a: C - printf("Device %s open error.\n", E2PROM_DEVICE);/ i' p- X+ l" i4 A0 w
- return -1;$ z5 l4 N9 ~9 V, b( F# l
- }
. G! E' }0 S$ b8 ^& S - arg.sub_addr_count = 2;
. ]# c+ G. A2 ?; ~ - arg.data_count = 0x18;& e6 l. |" h/ {( i ?
- arg.e2prom_cmd_sub_addr = 0x290;
( {! Y* u- Q1 o4 g- D7 j; y4 Y - arg.e2prom_cmd_data = buf;
2 Q( g6 ]/ J! j2 @7 k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
: D, g: y9 a* r [" S - if (ret != 0) {: L* \5 M( ^6 D5 y
- printf("Device %s write error.\n", E2PROM_DEVICE);
7 D& U* s+ i5 ^' d& n. X- j0 K9 m - return -1;
( [. D/ y: G9 X! w$ v* B9 m' F - }# _3 j0 u1 q/ O! Q
$ [& v5 X( T: ]% P4 H5 i( O- return 0;
: t' O: _- e, N; b |1 F: E - }" ?4 ?: q* o" x3 ]
- - l! R/ V8 t! v
- int main()
$ [, ~) U, \4 f, G: j2 i - {
6 r; s3 N6 K+ e% @' h" Z - char c;
. D* Y- d, W' m/ u - int i, macs[6];
' K. E+ c; L( b$ { - unsigned char mac[6];1 Z3 x3 l/ h" Z: P9 d
- unsigned char stbid[256];8 Y' g$ x) }1 h% p; n. K& d% |- C* f
$ v: o' K3 T, C- M. e) P- if (readparam(mac, stbid) < 0)
: i, h: d: B, v B* u9 K( B" S" ^& G - return 1;
, B% J7 S( W o8 _ - / C# L0 V. p+ O" R
- printf("Current parameters: \n");
9 f! A \: S' ?7 i3 z0 c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! J; _/ {5 M. \' ~. J) X( W - printf(" STBID: %s\n", stbid);
4 ], o {1 o( S8 }- M% v - + V: C1 ]$ S. H' t
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 t0 H- Z% y- @7 T, s- m - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
+ H% B3 v" U: E* u - printf("Input MAC error\n");
: q( J% @1 N9 n# A1 A S% a - return 1;# C0 M$ J X, \* j$ \
- }
/ y. i' Z; w8 U& n - for (i=0; i<6; i++)mac[i] = macs[i];: E9 A$ N3 g" D* R
- printf("\nPlease input new STBID: ");3 R" O$ w+ ^1 D6 _7 { @+ P6 V- U
- scanf("%s", stbid);0 p: N) L h$ p0 I ]8 o7 \3 x
- if (strlen(stbid) != 18) {
5 H; q- D! S) w! \7 D3 }& A% j - printf("Invalid stbid\n");
0 j, |, _8 q7 L8 D. O) h8 n - return 1;; \1 A: O% A6 @% P7 n
- }
u: s" M) X( x0 Z$ Q% I% l - printf("\nNew parameters: \n");- E% }, ]# c' V! y- i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& t& [( \8 r" U
- printf(" STBID: %s\n", stbid);' \4 D; [! Q# T! P& i; ]
' h! O/ @. ^1 A9 `. S- printf("\nDo you want to change paramemters? (y/N) ");
' m. I( g G4 C5 J% J, K - for (;;) {% d2 K7 C1 x$ @& Y6 G% S. ]
- c = getchar();% ~" O- v- U1 R2 M9 w+ z: s
- if (c == 'y' || c == 'Y')) q# }: v# }& c) X' K
- break;& [# \; F9 q- ]8 Q1 l
- if (c == 'n' || c == 'N') {
( R; Y+ q* ]% t - printf("\nAborted.\n");
, R% X3 o3 H) b: S# M - return 1;! H8 {1 }* G/ g# I0 a
- }; \. U% z" k6 c5 W
- }
4 O4 F: A% n Q( Q7 b/ s( J* S q - if (writeparam(mac, stbid) == 0) . c7 W" \8 u9 V5 Z7 X/ I+ j
- printf("Parameters changed.\n");
$ j3 J: M7 c. L - 3 P9 q, e$ R0 j: i5 S' ^& q
- return 0;
6 m2 t$ T: K: k4 n( e4 k - }
复制代码 |