本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
. ]: y! F) P7 z9 k/ a2 d1 q需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>& c! ^ U# X& |0 v: ^* A
- #include <malloc.h>
! R; S/ J8 r0 O5 O - #include <sys/types.h>" `+ k1 F0 [% o7 D) ?' j$ l1 _
- #include <sys/stat.h>+ K$ I3 @# J7 V# X% c
- #include <sys/ioctl.h>; I& ]2 l( i% l5 b f/ L: S; l
- #include <stdio.h> ~1 [, a. L1 P# G4 A; g& G
- #include <string.h>
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- typedef struct {5 _% i) c( t _
- unsigned int e2prom_cmd_sub_addr;
0 v- z8 }. h1 Y' W, X, z - unsigned int sub_addr_count;$ b* r( R% h: U
- unsigned char* e2prom_cmd_data;6 o0 B2 i# S3 y4 D% L
- unsigned int data_count;. R: n+ x$ r& p2 P; b
- } e2prom_s_cmd;
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: [; }0 G J) n- T" d, A% R- #define E2PROM_CMD_READ 1
: R, Z. ^8 n4 c! \( u; K" K - #define E2PROM_CMD_WRITE 24 J* \ H1 z5 t
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 e: B) E' e8 R' ?4 f0 y. p
2 C; c5 [4 Y/ H* s3 G1 j$ ?- static int readparam(unsigned char *mac, unsigned char *stbid)2 Z% C3 l5 L) w$ B7 x! Y2 \$ A7 X' U
- {1 F& \, U! x; c: ?" `5 R) u; J( B7 U
- int fd, ret;
- }. [, i) w" {" r0 w - e2prom_s_cmd arg;
; k. j; B0 V" H6 D - unsigned char buf[0x18];: f/ r2 g% ]" `. M% }: M- W
* F6 _1 s' v: C9 S) c- fd = open(E2PROM_DEVICE, O_RDWR);
- K1 N4 P: u% B9 F7 W - if (fd < 0) {
/ C% g, V( p4 u" N - printf("Device %s open error.\n", E2PROM_DEVICE);4 q7 ^0 }/ o2 a: a. m1 C9 j2 r
- return -1;
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- arg.sub_addr_count = 2;
" @, E( X& p% I- `& k" h) k - arg.data_count = 0x18;
& {# w2 n1 ~! N* j3 l n) p* n - arg.e2prom_cmd_sub_addr = 0x290;
/ Y' V) w+ \* M- Z9 D3 Q8 I8 C - arg.e2prom_cmd_data = buf;' @) H2 H* y6 ]/ j! b8 L
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);% W) P3 V6 S E0 L1 t
- if (ret != 0) {- z- V$ H6 s* r: t/ V
- printf("Device %s read error.\n", E2PROM_DEVICE);6 z3 j9 [/ m# L6 q) [( C! i
- return -1;, ]! \: h: y( [4 D( q: i+ ?
- }/ g" [8 U/ S) I) m2 Y
- memcpy(mac, buf, 6);
" N6 w7 w8 ], b - memcpy(stbid, &buf[6], 18);
S" R& L3 M; ] W% i5 O - stbid[18] = '\0';
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- return 0;) P: H. z5 K4 D* V" S9 I, ?
- }- l. @3 ]- L3 o, Y
- & L: R! K. O. w, i; q
- static int writeparam(unsigned char *mac, unsigned char *stbid)
, A% S5 f( {3 z - {
! w7 u. V+ r+ ^5 g b; ` - int fd, ret;7 s9 k* ?0 S+ v( E3 [" C5 _ j( D
- e2prom_s_cmd arg;, t4 D7 \" C7 J+ x0 i
- unsigned char buf[0x18];
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( y4 U( Q7 p; k4 W- ^' h- memcpy(buf, mac, 6);
0 M- }3 f8 C( m. d7 Z( f - memcpy(&buf[6], stbid, 18);
# N. p& t: @! f& z$ T2 `: B - fd = open(E2PROM_DEVICE, O_RDWR);, Q' v) `6 g6 V" D# w! ~, p
- if (fd < 0) {5 s& b5 ^; b M+ L. {* z
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ u1 J: I: `8 B% a& f( @$ m1 _ - return -1;: ]- C/ E& N7 x
- }
9 N: \1 B+ I! C# O& s: B - arg.sub_addr_count = 2;6 @6 O- `* D' W" S( K+ g
- arg.data_count = 0x18;" E& U V- J0 z4 V
- arg.e2prom_cmd_sub_addr = 0x290;
2 f/ [- l" E' a# I( Y - arg.e2prom_cmd_data = buf;
0 d6 ~- V' n: ^4 G2 h0 T - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ K/ X% Y+ A |4 \% _& V
- if (ret != 0) {
' |+ k; J, s6 V) {1 t - printf("Device %s write error.\n", E2PROM_DEVICE);
% |# R* V5 f7 i' a - return -1;$ R. F3 M1 D! a1 d# \! B. O' f% {
- }
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( V6 `$ _6 w/ g- z! Y- return 0;% e1 D4 J: N2 G% w1 C
- }
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- int main()# T+ Y* \5 k! G( |+ k! Z
- {
9 x% s ]2 m8 C% A - char c;
* k [! o1 y b: |8 B- a1 I: O - int i, macs[6];
1 V) x6 [" o+ o# E. P: D - unsigned char mac[6];. l! N( ?: k' R& P8 B1 K7 Z
- unsigned char stbid[256];
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9 j) U: T) h3 a( n# p3 H3 E5 ?# P- if (readparam(mac, stbid) < 0)
' p# q0 q' Z3 M5 Y1 {, g - return 1;& M& {3 n& T/ v# K( e8 D( t; M
! {% Y* f" k y" q- printf("Current parameters: \n");$ U1 s/ P$ a) e7 }4 F5 f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 s2 }9 D. M' v' l - printf(" STBID: %s\n", stbid);
& |& m" U0 r( i: X -
- U; R/ F; P# r+ v0 T- b8 F - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");$ X0 ^* I% W( Y8 P6 n
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {5 x0 O* @ T0 f" n( z2 {
- printf("Input MAC error\n");
?: Z" x% q8 D+ ~ - return 1;
6 t# I; R: f& ~- ` - }! M7 s& N" ^; W7 u9 i- U
- for (i=0; i<6; i++)mac[i] = macs[i];
6 H" m6 A& V& [) \2 ?8 e - printf("\nPlease input new STBID: ");
( w. @% w7 {- c4 R: g - scanf("%s", stbid);
% Q( @! E- c$ q* M2 \" q - if (strlen(stbid) != 18) {
8 z3 j1 r# F1 b/ e - printf("Invalid stbid\n");
* ~+ C3 I' o) A; ]; h$ Y% M - return 1;/ E [3 W/ z# c; j
- }" G# S6 u$ ?8 B5 Q$ z8 n
- printf("\nNew parameters: \n");
& K- x0 m' \+ K* I& j: _ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. k9 x" t g4 P' r& |( g* ] - printf(" STBID: %s\n", stbid);
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1 y4 r/ o3 e# [! k" S& z- printf("\nDo you want to change paramemters? (y/N) ");
5 A- N$ ]) T; G( Y ] - for (;;) {
W( |# C) [3 T& W - c = getchar();1 v: ]' i- I" F7 z: t% e/ r; j
- if (c == 'y' || c == 'Y')
& x$ C( T7 f( f1 \. ? - break;
* Z# D2 S) K6 f& E* P - if (c == 'n' || c == 'N') {7 Z* }; L) t; ]3 K) t6 _; Q
- printf("\nAborted.\n");
5 B: r, }* t2 g" K3 S* s3 E5 Z - return 1;; x( Y4 O/ d0 f2 a! i1 P
- }% R4 p5 W5 M9 ?. x9 n2 {' ?
- }
4 t3 P& O& x* v& s1 M6 M. o1 ` - if (writeparam(mac, stbid) == 0) 4 L$ K) K8 w- @+ v
- printf("Parameters changed.\n");
* ^2 _6 i% A# r! g8 E# y
) `' ^: Z/ e# V" @$ Q6 }- return 0;( y1 j$ h+ F' h3 U2 Q
- }
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