本帖最后由 0522 于 2012-3-21 23:04 编辑
, m8 ?( K- ?; T; k: I4 Q
v: g9 E" u: [8 G$ r6 ~修改的代码早有了。到今天不会编译。
' R; C. G; j1 X$ p. X6 w需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
- t0 V+ B8 b Z! ~: m- l+ c. ]/ L - #include <malloc.h>/ Y+ x5 k/ O! p/ m$ r' r- E
- #include <sys/types.h>" O( L" `3 _6 @% j& O) K# F
- #include <sys/stat.h>
, ^% Z& [* W8 z) u2 M6 } - #include <sys/ioctl.h>
4 _+ J/ b; G0 S2 r - #include <stdio.h>5 C' p3 O9 J' @6 ?1 @
- #include <string.h>3 N5 G9 @, Q# K: \+ M
- 3 `/ F1 J2 q. H3 v5 V
- typedef struct {, K: h5 K% m( F0 P
- unsigned int e2prom_cmd_sub_addr;0 {% J2 P0 e5 B" I2 {. H: y
- unsigned int sub_addr_count;
: @) c4 I5 j3 a1 ^: e2 h - unsigned char* e2prom_cmd_data;
+ v# n6 h% m [0 Z, \2 Z" w2 |! b - unsigned int data_count;
, l8 Z3 t- a6 X3 H/ J - } e2prom_s_cmd; l) u- T/ W% J- T( m U
- 5 h, V! q: W% c! e4 @
- #define E2PROM_CMD_READ 1
$ E3 X; J, B% q - #define E2PROM_CMD_WRITE 2
' m B) }" L+ \0 B2 [3 ?- Z* d - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
* J4 x. ~+ i9 I- B - 3 Z# t- t# g7 Q" r- w4 Z
- static int readparam(unsigned char *mac, unsigned char *stbid)6 P- |* H/ J% z& F
- {
+ a/ {1 V( b5 Q1 ^( Y! | - int fd, ret;
5 ^8 M4 a" g; T0 j - e2prom_s_cmd arg;% V2 r! p" o; d0 v7 ?$ m
- unsigned char buf[0x18];
( B) B) T' S3 B6 g0 h
" F7 w4 R3 t5 }7 j- fd = open(E2PROM_DEVICE, O_RDWR);/ J$ F o& d- L
- if (fd < 0) {! G: n* d9 f4 R4 g
- printf("Device %s open error.\n", E2PROM_DEVICE);
$ v$ a3 i G& m9 p( Q7 X; h - return -1;/ `1 w/ {! p1 [ E" B3 M4 c
- }+ c$ U" U+ D2 y& W
- arg.sub_addr_count = 2;
4 p4 b& p r0 Q f' _; j, T0 r - arg.data_count = 0x18;
2 R. \" B' Y* @) s2 P# g - arg.e2prom_cmd_sub_addr = 0x290;
: s: @1 ~( u$ u. m - arg.e2prom_cmd_data = buf;9 h8 J p0 L C' p
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" k5 J ?, U3 o' F$ J' f
- if (ret != 0) {1 l' X w$ x7 O6 s5 z Y/ o
- printf("Device %s read error.\n", E2PROM_DEVICE);
& A w j( X5 x9 K - return -1;
% [: b: t' j$ u, F6 W4 Z) I - }
1 }( |2 g2 t, D! f+ n% D$ i. A$ ^6 u - memcpy(mac, buf, 6);
( J% C. D# s/ H/ h0 ^. ?% l! x - memcpy(stbid, &buf[6], 18);1 F# X, ~0 y/ t3 T( Q- S; @- [6 [
- stbid[18] = '\0';
. A( c1 R: e! Y! m9 @ - : c1 T, ?: I0 T! t2 I
- return 0;
6 c: i! H1 K% I, i! t* k2 V - }
9 k5 m; r3 ]& A% A% Q7 m - 8 I% Z* h% m* l9 q3 J
- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 q% K" }* D: v% P& @ - {
) g8 b" o5 R8 @! @6 w Z7 F - int fd, ret;3 q8 `# z6 {. F! _9 e* [
- e2prom_s_cmd arg;
& E/ }( G- N0 N) \4 g6 j+ c) W" J - unsigned char buf[0x18];
' j; N1 J% L3 i x2 X b" P$ r
' Y9 d2 L6 [9 c- U0 q- memcpy(buf, mac, 6);& F9 W+ X! L( E: m7 c
- memcpy(&buf[6], stbid, 18);
: E+ O) s3 s, f1 u! y3 N - fd = open(E2PROM_DEVICE, O_RDWR);
/ u) i& o0 ]/ L7 W7 t- U - if (fd < 0) {! ~* X4 f6 s. b6 K7 A u. l9 R5 o% O
- printf("Device %s open error.\n", E2PROM_DEVICE);) d4 j4 c5 a5 `3 @+ Q
- return -1;; `1 Z( o; v8 @, d% X) G
- }- d* R7 Z9 ?# t; x+ W# @
- arg.sub_addr_count = 2;( i+ X7 E$ K( _) Y. W' n/ C
- arg.data_count = 0x18;! ?: m4 \! {2 ?7 s
- arg.e2prom_cmd_sub_addr = 0x290;9 u% y5 F; H- a+ C% S3 K6 [
- arg.e2prom_cmd_data = buf;
0 t2 r2 q5 N8 W7 n8 | - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);% Y" K# g, ~ ]
- if (ret != 0) {0 Z/ K, ?% P- T9 b
- printf("Device %s write error.\n", E2PROM_DEVICE);/ n2 [$ j, e/ K% f
- return -1;
8 N2 @0 }; W9 _7 i( w/ ~: E - }
" g+ j5 q$ _/ o- {& |8 a
- e! W0 l: ~# m5 j7 o9 D- return 0;& X0 c* b: f$ P2 U2 {$ R
- }
8 f' O% F- j. k! ]/ C# Z6 _, k% N
# t |: S8 ]) e' i- A0 L$ K# a- int main()
0 C& Z0 ?: Q ?! v& X6 y - { _( N1 R* u. h8 h \
- char c;1 N5 d$ N- ?4 D* Q3 t2 b
- int i, macs[6];1 ~; @, X7 h1 @8 c
- unsigned char mac[6];
/ Q1 a9 \+ i3 m5 q5 D; w% A - unsigned char stbid[256];4 ]0 L7 a8 \- [& K/ H
8 a% y5 U- h6 G/ k" W. Y- if (readparam(mac, stbid) < 0)
1 e% b" b# k8 R - return 1;
! y" { j" o# C, E7 G1 g( w- G
4 J4 Z) B+ l) ]! U2 O- printf("Current parameters: \n");
: r6 \8 R. H7 p3 X& N8 x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- I W* v( t5 I0 c. y6 w! O - printf(" STBID: %s\n", stbid);- m7 `& Q- k K o* V4 V }/ Y
-
1 K" e' Y3 \5 [& E, q+ q; O - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% P' B$ j. X2 U7 c - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
: f# z' Y1 H( R- z5 ?- g; O0 \& Q - printf("Input MAC error\n");
5 T( y& u, r+ X5 N; r. Z) C- d - return 1;, P. V: C: w9 ~, ]$ P5 a v% P
- }
0 j) \+ u6 l7 Q/ }$ M - for (i=0; i<6; i++)mac[i] = macs[i];
3 }3 k. v ?$ ~7 f" S5 p5 Y. }1 j - printf("\nPlease input new STBID: ");* T! J( d, l9 w$ F" Q. I$ [" q: e. x
- scanf("%s", stbid);! C3 H, b' m- B7 L
- if (strlen(stbid) != 18) {
+ i+ d( h& Y- [5 y+ P - printf("Invalid stbid\n");* l$ h& v9 J! e; \7 C6 u1 i7 [/ i
- return 1;
/ v8 q& o# c7 F9 u% e- _ - }
k' `- F! Q; n- z6 m; W; i# |& O" \4 ` - printf("\nNew parameters: \n");8 S: [8 c9 F/ M3 x2 U/ y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
! k7 k; m3 V2 z/ L4 y& t - printf(" STBID: %s\n", stbid);. m7 @3 _ G/ ?4 t7 ^% }4 G/ z. R
0 |, B3 {7 h4 @' C( ?- printf("\nDo you want to change paramemters? (y/N) ");8 g3 }" {; m4 ~
- for (;;) {
+ r& f( E4 u% T! l8 B# ]/ b - c = getchar();4 C1 }' g" n+ p. n: m; R3 W( O1 o
- if (c == 'y' || c == 'Y')
* ^+ B; V2 _) y) x# ~" Z: M - break;" P, F# u9 O$ Q9 Y
- if (c == 'n' || c == 'N') {
1 B0 G& Q( M+ Z4 Q - printf("\nAborted.\n");& l$ V2 e0 M& ?6 v% t/ c5 e
- return 1;
( v4 r0 g8 [' ~, _* ]" f0 A9 X - }
7 y! r& Z; W5 X% P F - }* m7 s( v' p. i2 Q A+ S% K
- if (writeparam(mac, stbid) == 0)
! N- X. z2 D" h! s, d, p - printf("Parameters changed.\n");
z3 q) h7 X, r9 a
) a% h! v4 W" j$ V; Z' s+ O- return 0;1 S4 p8 v7 A8 T X3 `. l" Y, A
- }
复制代码 |