本帖最后由 0522 于 2012-3-21 23:04 编辑 / K! B7 n; @( |1 L/ e! A: l
$ M1 g) t/ ]4 i( S8 }修改的代码早有了。到今天不会编译。
y, n6 T" ~4 n7 Q( V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>0 C$ V6 `5 T) L" C2 B0 `' |( m
- #include <malloc.h>
/ p) b8 {2 k' n6 _+ a6 Y q) Z6 R - #include <sys/types.h>$ n' {, a8 E3 [# s
- #include <sys/stat.h>9 P1 {9 O6 i% v1 `9 r
- #include <sys/ioctl.h>. k# C2 u; G- ]; {# V
- #include <stdio.h>
+ M+ ~0 _& |' U1 h( Y4 D - #include <string.h>
1 r8 I0 d7 S# T5 l; o
L4 L* }5 ] F0 Q3 Q" w1 ]- typedef struct {8 C% f' @, R0 q+ l: m2 t+ o
- unsigned int e2prom_cmd_sub_addr;
( w0 E6 X& O: L/ q - unsigned int sub_addr_count;
% b4 m( s6 p5 C3 Y# l - unsigned char* e2prom_cmd_data;5 I) X' r+ {& k
- unsigned int data_count;5 G/ |& t$ p: I0 f* C$ D
- } e2prom_s_cmd;, q9 {1 S, b4 y6 g7 G
: {2 X; @5 w" \; k) z5 D# V0 c- #define E2PROM_CMD_READ 19 Z1 q' D6 E% r5 y1 U1 g
- #define E2PROM_CMD_WRITE 2
5 x# ^- x( F: m2 r& _8 l. V( M - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ G: Y* v5 O w& _! Z# b) I/ a" Z8 ~
- & X9 D n- ?! d; W5 n6 x2 X
- static int readparam(unsigned char *mac, unsigned char *stbid) {; I! C7 I( Y$ G: V i
- {! ]; o1 p) [; _, |
- int fd, ret;
! Y7 a1 t( _! c5 Q) [- I/ \ - e2prom_s_cmd arg;6 @6 c$ ~, o8 `- m
- unsigned char buf[0x18];9 n+ Q: `" @$ {6 a+ g1 c
/ l4 S+ w7 k$ f ?- fd = open(E2PROM_DEVICE, O_RDWR);0 V; ~7 ~6 z* J7 D7 B8 Z% f# P. B
- if (fd < 0) {
" C* e0 s$ h% Z. W. b1 Q - printf("Device %s open error.\n", E2PROM_DEVICE);
. b3 ]$ S; P: c- u5 r$ G1 {& h2 J - return -1;. M, O/ ?7 ^/ N# m) B) F3 R* K) ~. y
- }/ I% W7 k" S6 U" q) E+ H5 K
- arg.sub_addr_count = 2;
/ \ a8 `* o6 e! w - arg.data_count = 0x18;6 c4 ?1 i( }- v" ~3 S
- arg.e2prom_cmd_sub_addr = 0x290;8 N$ w1 e* s/ J/ u @ }4 k
- arg.e2prom_cmd_data = buf;) ^; x2 ^% [! p" Z4 _* T2 I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: O. \) \: c7 x* J+ B - if (ret != 0) {
) `* C0 m5 ` e - printf("Device %s read error.\n", E2PROM_DEVICE);! p; ~: d9 F' Q& ?
- return -1;
1 R# \. {+ N+ p) N7 k( }- v7 F - }
$ k; u0 J, Y2 q% m7 l - memcpy(mac, buf, 6);
( F, x4 j- z; w5 g2 |% I2 a - memcpy(stbid, &buf[6], 18);
8 g5 O- F$ j2 g8 E( H - stbid[18] = '\0';
y1 f# Z I1 v0 t: N - ' D. Y4 K1 r E4 K i
- return 0;
* I# s5 e. z5 M' Z - }" ]; Y, a6 a4 ]5 ~( g* i, S
8 _; J" u q6 J1 M* I4 d' G( G- static int writeparam(unsigned char *mac, unsigned char *stbid)1 G! W5 J6 s% p, G# j$ b3 V
- {# ]3 k& ~5 o$ u$ ]0 t3 `
- int fd, ret;! |8 u ^2 ]! d& Q6 X
- e2prom_s_cmd arg;
9 }& e& t3 h6 [8 `% \4 _ c! ~, [3 @ - unsigned char buf[0x18];! N' ~+ s/ I- U. U* W. i4 R2 ?/ ?
$ s4 K5 W% ?2 P0 i3 [$ }+ D ]- memcpy(buf, mac, 6);
0 }0 c! y. _: F# s+ `1 ` - memcpy(&buf[6], stbid, 18);
7 J+ Y/ f2 X* r' g - fd = open(E2PROM_DEVICE, O_RDWR);
4 Q/ V! N* b7 L' ? - if (fd < 0) {
0 F( l5 n3 n) j6 D8 i/ g - printf("Device %s open error.\n", E2PROM_DEVICE);/ @# v- z* z' N# g* W
- return -1;
) O( u3 @1 ~* v4 P% l - }$ F4 C: J+ S* h+ Z
- arg.sub_addr_count = 2;+ [- W. ^- x% j
- arg.data_count = 0x18;3 W3 e- b7 x7 O% N% L
- arg.e2prom_cmd_sub_addr = 0x290;
+ y8 @; e# z5 S' g' o6 N - arg.e2prom_cmd_data = buf;
0 z! Y3 y# K/ {2 k7 y2 S d - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 ^' v- t3 Y S! C - if (ret != 0) {! B/ J7 @6 t2 B+ a6 r
- printf("Device %s write error.\n", E2PROM_DEVICE);
% i/ Z! t" e" Z% A& n, U9 R0 @ - return -1;7 a m: r' i! {1 U5 e
- }
8 B% ]& k' E0 Q5 V9 l- w6 b. q
( h( C4 u, b) _$ ^; p; p4 E- return 0;% G! A& t* i. J' `/ a5 g
- }" z, g! E, x! C
; Y( q' S. V! m4 F- int main()
) m% a. K! \) b - {
: n5 s) C3 f7 { - char c;5 j1 r, O9 P8 }% y! j! `1 G
- int i, macs[6];
( r4 r! n7 k( C0 p/ R! W - unsigned char mac[6];
4 n7 J$ Z5 D1 H: m+ M8 | - unsigned char stbid[256];( G! l, k+ Z$ X
% Y1 o `: s% O0 U5 P0 f2 j2 h3 K- if (readparam(mac, stbid) < 0)& l7 c. H0 C* `* j L2 `
- return 1;' @( }" l9 M) R& f6 C/ c4 y& X
. d2 w' `" A) e& f3 R- printf("Current parameters: \n");
) n( }4 J6 h* R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* g8 }) F* ]2 p, T2 ]
- printf(" STBID: %s\n", stbid);
P) R2 j) K6 M1 D - 8 `- d+ [9 K, o
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 P& Y* W: g5 i3 j; I8 [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 B8 h# n7 [2 q+ I, Y/ {
- printf("Input MAC error\n");7 ~3 S% A9 n" K% {
- return 1;
% c1 B( e. d1 w: P S - }
3 m- G' z' Y- b; S - for (i=0; i<6; i++)mac[i] = macs[i];
+ b8 `# k" Q9 W, V; H+ }6 Q8 d( r - printf("\nPlease input new STBID: ");9 d4 w5 ~& M1 t! k9 v' g
- scanf("%s", stbid);
$ s; U6 w& I9 z9 @ - if (strlen(stbid) != 18) {% M# z' t! O- r/ s- J
- printf("Invalid stbid\n");
/ K* ]( Y+ W; ? - return 1;! i/ P7 j7 Z6 E% a, R; P
- }
/ D4 e& W. ?/ L; | |+ a - printf("\nNew parameters: \n");
$ P' u+ p1 t' I `* K1 l4 a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ Z7 [4 a1 Y( `' ]" u$ f
- printf(" STBID: %s\n", stbid);* }( Z2 j6 @6 I
, m3 }/ `& w" w/ T" U- printf("\nDo you want to change paramemters? (y/N) ");; y9 {* f# R. U/ u/ ?. q5 o
- for (;;) {
. L: l1 f |5 | - c = getchar();
9 n( @5 }0 \ R" c' C - if (c == 'y' || c == 'Y')
' @7 @4 b# x/ e/ I4 O - break;
$ F; Q; d1 i9 ?8 A- p - if (c == 'n' || c == 'N') {1 n! W1 L/ F" P6 T+ s' k
- printf("\nAborted.\n");
" B' r7 d; k6 q( {! h - return 1;% d* Y: j3 U# k6 K
- }2 y Z* Y; w9 M4 T+ P
- }8 K. p, y- ~8 s* N/ @: J* G F
- if (writeparam(mac, stbid) == 0)
8 c( |) i. X- ~ - printf("Parameters changed.\n");$ c% `$ L2 I; W2 L/ e4 I9 k
0 D; n5 ?. o: y0 {- P4 u9 X* Q- return 0;$ x, X6 w8 g$ T, Q! i
- }
复制代码 |