本帖最后由 0522 于 2012-3-21 23:04 编辑 7 q* `% D3 W) j' o; g4 K' }
- z" }) S, U; H修改的代码早有了。到今天不会编译。# r8 M3 ^7 C9 }& J/ D
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
% i) H$ t& F" Q/ b1 ? - #include <malloc.h>
* }2 r+ R2 {& H: R& `6 r0 i8 V - #include <sys/types.h>( u. f- H$ H# u
- #include <sys/stat.h>
8 P- Y: G# C+ b v9 A - #include <sys/ioctl.h>0 o& |$ b/ T9 n {6 z3 G3 R
- #include <stdio.h>
4 O3 a( D; }& b2 r0 n/ z - #include <string.h>* K( @3 H6 V g$ T* k
9 V; u# k# p* a4 B- typedef struct {
7 h2 X2 ` t- _& D- h' D - unsigned int e2prom_cmd_sub_addr;
3 r( @& m3 N& ^+ W. g# w8 L - unsigned int sub_addr_count;
+ d8 M. z! U( l9 B# k- ~ - unsigned char* e2prom_cmd_data;% H4 L' ~' o5 ?" v* T: g
- unsigned int data_count;
& k- H t( y, c) o/ d, H - } e2prom_s_cmd;" ~3 W& _7 T( S7 g
1 W4 g' {4 {) p, W9 U% c E! e- #define E2PROM_CMD_READ 18 C0 Q4 s4 O; g' R+ ~& L% @* x
- #define E2PROM_CMD_WRITE 2
/ k+ Z* ]1 f/ j; }! J2 ^ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' N& k1 @$ j3 }
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- static int readparam(unsigned char *mac, unsigned char *stbid)( h# O) H/ d7 ^! e$ \9 ^
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- int fd, ret;2 b: u1 E3 j& J: p5 x9 {
- e2prom_s_cmd arg;4 Y+ w& z# f6 ~ h+ ]: u, b' H! j4 G+ ?
- unsigned char buf[0x18];
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# k, _ n9 L$ X& F( H- fd = open(E2PROM_DEVICE, O_RDWR);9 d7 d/ y8 i( K2 j) `( F- g
- if (fd < 0) {* e w8 C+ D! V2 A( i; l F H& ?! H
- printf("Device %s open error.\n", E2PROM_DEVICE);$ }$ }+ g- B6 ` z& ?7 }6 Q
- return -1;9 s. L" [) A7 N4 k( g
- }* u- ]. U' Q, N: {4 }) _
- arg.sub_addr_count = 2;
6 D6 m/ V5 R3 _ - arg.data_count = 0x18;
: q6 k4 L( |0 T* w - arg.e2prom_cmd_sub_addr = 0x290;
8 g0 {( k1 X2 i( G" J& A1 W, {9 V - arg.e2prom_cmd_data = buf;
( K; D) k9 }. x8 `4 T/ @: \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
}# r( j R; j/ ?; |( b3 B; r, L% U - if (ret != 0) {
& K; i9 J; v; F* k7 H - printf("Device %s read error.\n", E2PROM_DEVICE);+ F7 Z2 Q1 p2 R) ]6 l
- return -1;) \- D6 T% x' }6 v
- }
& \' Q3 p4 F4 L0 P4 }' h; f2 L! | - memcpy(mac, buf, 6);
2 H4 z" E) j" `+ Q - memcpy(stbid, &buf[6], 18);9 m7 P6 `/ P2 z7 ~6 o8 ~
- stbid[18] = '\0';/ i/ X5 i! G8 h7 w* H) S& {' b
4 p1 U5 l3 i0 x7 M9 j, V" T) ^- return 0;! N7 c6 z( l" J
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3 m7 I2 v% H9 L& d- static int writeparam(unsigned char *mac, unsigned char *stbid)
# o$ w z! r+ R4 L - {
9 { q8 @0 B0 M2 I( r7 Q! _5 x - int fd, ret;
5 m2 J( n( L, |' f5 ?1 {5 P3 N/ Y - e2prom_s_cmd arg;7 P; C$ V$ ?. u
- unsigned char buf[0x18];* g* `4 \5 ]# a# X/ t
- . Q8 y" g( d1 [/ W& X
- memcpy(buf, mac, 6);
7 X2 H. `* s, o6 }) C: c - memcpy(&buf[6], stbid, 18);% `/ g: D- s, l6 o* R9 H
- fd = open(E2PROM_DEVICE, O_RDWR);- z7 S% e! V$ T! L2 m" N; ~4 u
- if (fd < 0) {: F' C C' }7 S* d$ q0 h+ o+ c* ^% ?
- printf("Device %s open error.\n", E2PROM_DEVICE);
2 `7 z( |4 s) K/ }, J& h, o/ s* Y - return -1;0 a, w4 c9 v& c7 ?
- }
, Y: p: }; a9 O" Z2 k4 M - arg.sub_addr_count = 2; z3 m1 E% B7 D5 S6 r# Z; P
- arg.data_count = 0x18;1 J0 k0 ^- z4 r3 D. W) c
- arg.e2prom_cmd_sub_addr = 0x290;
& J1 z( m# \3 r1 W - arg.e2prom_cmd_data = buf;
8 z: ?4 L/ t6 {3 K& f8 X" r3 j1 j - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: a7 a u! Y* n
- if (ret != 0) {
8 y6 X$ c3 Q% C: _7 F& A - printf("Device %s write error.\n", E2PROM_DEVICE);
) Y e8 g/ U" B* u( E! S/ R - return -1;
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* b* V2 N9 a* l5 L- return 0;
) r- p0 b$ K: O6 v8 p; k - }
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- int main()
0 `' v1 ?" e- r0 J, u6 n8 r3 T- ~ - {
" q) Q2 @3 G Y( b1 {& E$ p# s' E - char c;+ c( q; W, r( |4 \! q+ N
- int i, macs[6];) d x# g6 s* W, s
- unsigned char mac[6];
3 g0 W4 ], L7 A5 x/ r5 p! o: H% P2 x - unsigned char stbid[256];
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; `+ F# U9 E/ k0 }: t4 o- if (readparam(mac, stbid) < 0)& I2 n% T/ n& m
- return 1;) l: ^3 _- C5 Z* n3 @# \2 H
- / ^3 M% T7 r/ [. L4 N9 N
- printf("Current parameters: \n");
: @/ ]8 \) X+ x* |* Z" R8 h% w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- I/ B% P! m5 ]/ y" q0 u( d - printf(" STBID: %s\n", stbid);/ Q5 _" C2 M# D7 Y1 T6 P
- 4 E! ?! V; Y5 B% }# D$ B
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 C8 u# y4 Y) \* x2 }/ c2 Q - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 h, S0 E }4 G6 `0 G - printf("Input MAC error\n");
- L; A2 G3 ?0 q6 h& W0 _ - return 1;
7 a( Y$ X6 Z# g/ m2 ^: a5 M) y - }
6 x* h5 h1 ^0 P+ f% n/ W - for (i=0; i<6; i++)mac[i] = macs[i];
- b( ^9 s8 j) P- } - printf("\nPlease input new STBID: ");$ |, q6 Y- H1 c2 ]3 u7 ]
- scanf("%s", stbid);
% Q6 l5 O! f, O2 ` O1 ~ - if (strlen(stbid) != 18) {
8 ?3 i7 Y, C) T - printf("Invalid stbid\n");' \4 h4 B- w9 |* C
- return 1;; ~! P$ r# h1 k4 N& ?$ [) [ s
- }/ g6 Q4 U0 @& X$ Y( g
- printf("\nNew parameters: \n");
* `! n1 b# ]- ^, t' R- G - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 i) p+ ?( U- m N/ X
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");, [1 D4 M+ `2 g# N+ C" a
- for (;;) {
8 R2 K6 @/ A- g( }" v/ g; }; ` - c = getchar();
2 e7 c9 ^6 z) k. d& Y/ S3 i+ c, A: R4 g - if (c == 'y' || c == 'Y')0 r' q2 \7 Y& n P. t0 d
- break;
& C+ m( Q' U5 o) p - if (c == 'n' || c == 'N') {
5 q& S) N: w. p" H' `- L - printf("\nAborted.\n");
; y! a! a) e6 `. Z5 H - return 1;
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- }
/ V o' b2 [9 c3 B9 E" ~3 B0 K - if (writeparam(mac, stbid) == 0)
, Q5 p: G3 [0 `" U- P# @ - printf("Parameters changed.\n");
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3 Q ?, {& N! H. `6 G# N& U1 G) r; L- return 0;! i: y Q7 x! X- [6 d. v/ o
- }
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