本帖最后由 0522 于 2012-3-21 23:04 编辑 " c9 }, L4 c5 B, @& F# A, |
! m X, M1 l; B8 @9 J8 |* R
修改的代码早有了。到今天不会编译。
( O \9 {* H: Z. q# B需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
& ?: B" G; v5 D) Y8 R ~ - #include <malloc.h># K" f! _: d8 c7 P' {
- #include <sys/types.h>
' S" l; r5 l* Y6 _6 A' W8 H( T- s% ` - #include <sys/stat.h>
3 P! s2 o7 [, ]9 N% D8 I8 X; Q - #include <sys/ioctl.h>
. b3 Y2 s' }! E! f - #include <stdio.h>
' ]' b# u4 Q- a. U% q7 C$ }8 n - #include <string.h>% Y, j! J, O' q5 u0 y
) m Z5 m, I' v3 W: K: ?- typedef struct {: o* ~$ |2 g$ [3 k
- unsigned int e2prom_cmd_sub_addr;
/ Y( h b; k m" W+ [! L& ~ - unsigned int sub_addr_count;
- u! g/ t7 d' ^: e, Q - unsigned char* e2prom_cmd_data;5 V# _ P9 v+ U, X1 q
- unsigned int data_count;0 S( o2 V2 V: I3 g0 K7 A* Y% ~
- } e2prom_s_cmd;
9 `' V( u2 h1 _ - 1 d% g: G. k/ P" w( S" a( V2 T
- #define E2PROM_CMD_READ 14 ^: t }) h1 R% m( m
- #define E2PROM_CMD_WRITE 27 T3 [ f7 }* Y# E% `
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
E1 |5 w$ S$ l( T& l1 n
5 a% Y" ?, ]0 x: A( R- static int readparam(unsigned char *mac, unsigned char *stbid)
9 _# J# ]2 a! w+ s - {
. @! |) D0 S0 o! p2 Q5 Z- L; j - int fd, ret;
2 g* T# ^: s G+ M - e2prom_s_cmd arg;6 C v& d0 s( P& E" Z
- unsigned char buf[0x18];0 s$ b) Z) i% Q! x- K
- * W+ h/ @& V J# i
- fd = open(E2PROM_DEVICE, O_RDWR);/ I( @ N8 {( `
- if (fd < 0) {
6 }. F2 |* A! U# K( o - printf("Device %s open error.\n", E2PROM_DEVICE);4 d8 M- _/ J6 p. }
- return -1;& \3 u% S# l2 w
- }8 M. T/ j$ U, r, L \8 `2 e/ G
- arg.sub_addr_count = 2;
& g F( \5 x) n/ l# S# F) K( r - arg.data_count = 0x18;
# |' ]$ _- z Y. |2 K9 y8 @; F - arg.e2prom_cmd_sub_addr = 0x290;! q0 B* a2 H$ f [8 k
- arg.e2prom_cmd_data = buf;) C4 J: C3 d7 M9 Q/ O9 s7 E
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
( {, }: l j0 ^* \: Z2 ] - if (ret != 0) {
4 m( ~' g1 ]4 [: T0 m - printf("Device %s read error.\n", E2PROM_DEVICE);
3 B; a6 J, a9 L4 B p) ~- c) ] - return -1;1 [# z9 a9 k! o/ F
- }# j1 k$ T/ W! Z0 O
- memcpy(mac, buf, 6);
6 ^( x: X; t) F, O: ?5 d9 T2 p - memcpy(stbid, &buf[6], 18);
. Q! b3 A- p/ t9 r) d( |3 c/ G0 t - stbid[18] = '\0';
4 v+ G$ q9 |- K! x. f5 f
' g3 Q$ e( l+ W3 P- _) |& C/ S- return 0;( b% V2 I1 E0 q' |/ m! s/ u+ m
- }
1 W' e4 D" y+ ~ - & e; G9 @% R1 g T1 l- I
- static int writeparam(unsigned char *mac, unsigned char *stbid): x& H( U5 `. H) B" E( D% P
- {
, {6 u+ I& `% o8 j - int fd, ret;
1 P5 W8 ~, Q: X# g2 n. C& W - e2prom_s_cmd arg;
4 p% O1 i9 A! P5 o1 L, x% y - unsigned char buf[0x18];! ?6 Q2 K7 K, l% e/ Q# |
, P4 T" X# {3 W/ ?- memcpy(buf, mac, 6);
1 ~4 Q& W% z* m3 Y8 _( z - memcpy(&buf[6], stbid, 18);1 J% L6 }/ K, l: T
- fd = open(E2PROM_DEVICE, O_RDWR);+ @& }# i/ |6 Y# Z1 m1 L# q3 y
- if (fd < 0) {
; E7 a6 _# `, `, i6 H$ K - printf("Device %s open error.\n", E2PROM_DEVICE);9 q$ `. S1 z0 F0 c1 ^: ~
- return -1;
. \& s$ w* U5 i - }
0 D2 V- m7 l" B& E - arg.sub_addr_count = 2;
3 g. x2 l+ r# c3 d/ w, z1 U - arg.data_count = 0x18;
) M9 D4 I4 u5 C0 O5 i, l) U$ G7 w - arg.e2prom_cmd_sub_addr = 0x290;6 N: F7 Y8 |5 M2 J+ I4 V) n7 R
- arg.e2prom_cmd_data = buf;
3 G+ B$ _2 @# f2 m1 A2 ]4 L b: W/ ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; Q; _, w& f" p- \ - if (ret != 0) {: y( @- v O3 A9 [5 K+ f
- printf("Device %s write error.\n", E2PROM_DEVICE);2 G' u' {4 X7 }* W; }9 y7 o `! H
- return -1;
! V" d7 o. T+ K1 f( y0 y' r; \2 D - }( p: O# C# d6 F$ A
" M; \( P" }/ Y/ R0 w- return 0;0 l- A( u% a! y* d1 p+ d% M
- }
- l6 b; ~& Y6 L' }8 s1 |- Y# }6 \
( l3 m/ b. p& C+ `- int main(): S4 B: ]7 j" @) s
- {+ A- S- ] J$ V6 j+ m
- char c;
; R8 @9 B5 j# S! @) q2 }$ T2 f - int i, macs[6];
6 y1 f2 r* z, H" N - unsigned char mac[6];9 E- K+ U3 A4 H
- unsigned char stbid[256];
8 A% u* f# Z8 h7 t: b1 `. ^7 V5 |
7 M/ }, y3 T& W. u- if (readparam(mac, stbid) < 0)9 S) e$ F% f+ N+ [% |' F- f
- return 1;
3 [7 @4 L, K/ R. i, ]' _: E
0 o: A+ l: m; z( M' g- printf("Current parameters: \n");
9 f( ?; L+ e2 ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
7 P$ f. X3 N _9 ` - printf(" STBID: %s\n", stbid);/ b9 o* s: Q) D- e
-
9 i7 }! L, n: E0 o% v - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) T8 D. W( D& B- H
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 F5 S) i- Z- n. C
- printf("Input MAC error\n");, v2 |) v$ {: r5 a/ B4 X
- return 1;' w. m; D! y! n" O* v! |6 v
- }
; c- ~7 J2 f: i+ }3 N( E5 e - for (i=0; i<6; i++)mac[i] = macs[i];+ U4 V1 x4 X# s7 p
- printf("\nPlease input new STBID: ");
! }1 V! k; c: a% m) q6 U - scanf("%s", stbid);8 Y/ g/ F" W3 V+ q
- if (strlen(stbid) != 18) {
$ Y+ b% a5 { Z5 d - printf("Invalid stbid\n");
]- ~" ?( d! { L% Q$ X* { - return 1;
* }8 n7 p) @1 j9 L% a3 {- { - }
. k% H: I$ k- U - printf("\nNew parameters: \n");5 o; N0 k4 K- u6 P6 T: }$ D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, X, j- D) B: g6 F0 r) R: C; \ - printf(" STBID: %s\n", stbid);
7 H7 K0 Q/ b' M+ o4 Q
. N5 J8 N2 D8 N2 L! {' q- printf("\nDo you want to change paramemters? (y/N) ");
7 ?1 `8 c5 c0 z$ [' O; o' I - for (;;) {+ \! z, @, o k
- c = getchar();9 V: B, m1 Z z+ q3 [4 W h5 i
- if (c == 'y' || c == 'Y')6 T$ v& R/ b2 k1 D" i
- break;/ N. l$ P% H3 `9 h1 L4 }4 W
- if (c == 'n' || c == 'N') {& s6 [8 b/ `/ `( b: E# O4 m) z: |; ?
- printf("\nAborted.\n");8 T4 g" h$ e, j
- return 1;, l+ W! {- _$ a2 ^* |2 r: x5 [
- }
. w% r4 J$ d9 @# ~% k+ F5 F( _ - }8 q- O l3 k+ ?6 Z
- if (writeparam(mac, stbid) == 0) " i5 J: i0 G% A) x5 F' ]* C2 ]2 i6 e
- printf("Parameters changed.\n");
1 F/ g, \* X% O - * o: v# p' Y, E P9 g0 F
- return 0;% o. q/ O i! e0 b6 z9 ~$ x
- }
复制代码 |