本帖最后由 0522 于 2012-3-21 23:04 编辑 / q S& s5 g# b" ?' D5 d: W% ]
; A8 K7 g/ `% Z( f, z修改的代码早有了。到今天不会编译。
5 m$ O/ f- `+ [& z9 H6 e; b. \0 z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
( M9 n8 H8 }% c6 M! T5 O, j7 Z - #include <malloc.h>; K, R- l+ J7 v5 h0 P4 k
- #include <sys/types.h>4 a# A: D$ F& X$ |7 H
- #include <sys/stat.h>; {. M; X) o' l0 G% P
- #include <sys/ioctl.h>: j' j# B# E4 y9 p% ^4 s
- #include <stdio.h>
& e( D8 Y1 B1 K - #include <string.h>
. ?$ w) F! h; n6 U/ @+ S7 j$ Y - |+ r6 L3 R: }
- typedef struct {0 \" Z7 \0 H' V; k2 u
- unsigned int e2prom_cmd_sub_addr;
+ Y' I, Y& j, J. u4 V4 R# \* X - unsigned int sub_addr_count;# e4 Q. A( p* A
- unsigned char* e2prom_cmd_data;
! }( |: T+ r; i/ U/ ~ - unsigned int data_count;/ I5 I: v1 v9 J' Y% }0 a
- } e2prom_s_cmd;0 Q ~7 Z+ W+ r: T! x" a" o( c0 h
) |$ y! T$ y7 \1 L! o6 n- #define E2PROM_CMD_READ 1
4 y$ p$ K+ X$ t. w6 D& t' s6 D - #define E2PROM_CMD_WRITE 2* F# {+ P* w- S; H) I) l7 i& |# A
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' ^% ]3 F7 R3 d! }5 M
0 ~3 \' m- ?; [- static int readparam(unsigned char *mac, unsigned char *stbid)/ d( a6 U4 N4 @, I- g4 P2 o
- {$ i ~7 y/ ]8 @7 ]2 v
- int fd, ret;+ o8 H) e& w2 a) a! L# l
- e2prom_s_cmd arg;
; J' O( J+ D; M - unsigned char buf[0x18];
) u' f5 X/ ~9 l) [- O* J - * G% A" }+ B+ G+ }
- fd = open(E2PROM_DEVICE, O_RDWR);, O3 t5 }6 Q8 v
- if (fd < 0) {
! L1 K U) }1 O$ U c( z5 X# v8 } - printf("Device %s open error.\n", E2PROM_DEVICE);7 ~7 f/ J1 C* v6 D+ ~' m
- return -1;1 j0 V: w& S# I" Y; b
- }# u' a5 d+ o1 T
- arg.sub_addr_count = 2;
( ]" e5 c) M+ n# i4 i1 T, ]# ^, D - arg.data_count = 0x18;
o% L' ~9 |! C9 a - arg.e2prom_cmd_sub_addr = 0x290;' O$ v7 x! O- Z; {' G! v
- arg.e2prom_cmd_data = buf;4 R& W/ h5 A( M0 \8 J1 C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);" m- l" P( b7 w+ m
- if (ret != 0) {
, ?9 k3 N1 _: ]& q% X+ o% i - printf("Device %s read error.\n", E2PROM_DEVICE);: @" B; c# J4 w& F& E D
- return -1;3 k% G+ y8 X3 y+ Z q1 j
- }
6 T; `5 F) U3 {9 y+ w; Q7 |; ` - memcpy(mac, buf, 6);
G1 \* m( B- J5 l. }/ M/ _ - memcpy(stbid, &buf[6], 18);$ v& n# I, k3 r$ O5 i" `
- stbid[18] = '\0';$ ^# ]/ ?) |: {
- + ^5 b0 ^: @/ K% }7 V; z
- return 0;
% L: Z# @+ u4 j& b I - }
' {" h" O5 s1 U6 p6 Y# e- w - ' {9 j- g) L0 {; D5 o+ i) Z& n; R& ?
- static int writeparam(unsigned char *mac, unsigned char *stbid)' i1 I' x6 T1 I' ]* {
- {
; H- i2 I3 U( U: C6 G4 h8 G3 q- z5 B - int fd, ret;+ B' O y2 d. h
- e2prom_s_cmd arg;/ a" R7 h; u* K# ~6 J6 T: r
- unsigned char buf[0x18]; Q' f# B/ m. y: }
: ~5 M* Z/ N. _% r0 K- memcpy(buf, mac, 6);9 p% R' b) A& I' ]* J! m
- memcpy(&buf[6], stbid, 18);6 _* S: N& _) D' x
- fd = open(E2PROM_DEVICE, O_RDWR);
8 S4 V7 t: Z+ s8 H - if (fd < 0) {
% ?5 M. L3 L" t0 t - printf("Device %s open error.\n", E2PROM_DEVICE);% A4 ?/ h/ W, G) ~ `! K4 G9 O
- return -1;/ P$ G+ k, o! O/ N
- }
7 `: y: P+ N& r U, _ - arg.sub_addr_count = 2;
0 t. ~2 m0 v; x - arg.data_count = 0x18;
' g! E6 M9 R1 |5 I3 B; |/ k; b - arg.e2prom_cmd_sub_addr = 0x290;
- J0 Z' t+ h$ P5 ~/ P/ c7 X - arg.e2prom_cmd_data = buf;
( ~1 l- n* P% O' |' @3 F% a# Z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
' `( y) U: N& }7 N* Q: ^6 k - if (ret != 0) {( p S* `6 z* ? r% w( Z
- printf("Device %s write error.\n", E2PROM_DEVICE);% i9 ?( w: i. d# P1 D4 A- A
- return -1;9 |3 y4 G+ m) ?+ w J3 R
- }
% M: W8 O+ b# t% D) W2 t - , h/ A. F ^" i' d8 \
- return 0;
8 N V& I4 x/ H: T2 J4 f - }
% _1 B! V1 V* l* A) q# s* G) V8 c - - U+ r; X. p6 q, e" `# T
- int main()& X- X/ y% z7 S; K. _
- {
) q0 N0 b9 S3 K - char c;
, l5 p3 V4 I. J& f- ~ - int i, macs[6];
5 q1 `0 Z$ R' o+ N1 M7 I/ S3 { - unsigned char mac[6];$ U# J1 a, J/ ]8 t* B1 a9 ^. k& b1 X. |6 G
- unsigned char stbid[256];7 v1 z! O) F3 l+ i0 T$ f1 p3 X2 e
- f- D& r3 m" Y- |5 y, G7 _- if (readparam(mac, stbid) < 0)9 x- b" ^# K; k! ]8 d, R
- return 1;! {4 w. l! ~+ y9 g* W
3 s4 z8 j0 h9 F @& E- printf("Current parameters: \n");
" M7 [- V; u, ]8 A7 f' \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
l# f* k7 t* w! Q/ Q$ z - printf(" STBID: %s\n", stbid);/ @8 P: V3 B" G* ^8 P
- - \0 r' h( B4 V4 t1 s) |9 n& Z. s
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
, T; V. U" k/ T" a) p# j5 E& K: | - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# \) U* h1 V. ]+ H
- printf("Input MAC error\n");, s: u/ a" s/ X% _
- return 1;
- ^; E6 J1 B/ R' W$ V; U - }
y' @" }2 z9 m$ l4 Z' \+ {" W - for (i=0; i<6; i++)mac[i] = macs[i];7 M- R2 i! K. [. ]( x$ t
- printf("\nPlease input new STBID: ");* U t) M3 d0 [* S8 c3 D
- scanf("%s", stbid);3 v1 f1 j+ I$ T9 F3 a( ^1 B6 m
- if (strlen(stbid) != 18) {
) k; \' [8 c7 _: e* T' I& b; r. T' ~ - printf("Invalid stbid\n");+ \$ c: z% `1 }: A2 j3 {
- return 1;$ |# {/ N/ B8 x( u; ]2 k6 B
- }3 H7 s% H- u. F' b: O
- printf("\nNew parameters: \n");
7 G/ ~9 y6 u' r+ M' N( h5 \ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
~; H+ m0 w% a5 E - printf(" STBID: %s\n", stbid);
' g% P7 E1 C2 H l' g+ k
* ?$ a/ t; I# c9 D/ u" n/ V- t+ Q- printf("\nDo you want to change paramemters? (y/N) ");
8 |$ Y# C- x' J! V" E: p+ N - for (;;) {
+ R: }. `8 r9 Q - c = getchar();* m9 n0 g$ G" p; X
- if (c == 'y' || c == 'Y')
! z1 s) @% P! E( S" X3 F) r - break;9 h G& {; n% X
- if (c == 'n' || c == 'N') {
, j5 y2 u3 V4 [+ z( D1 X8 _( n - printf("\nAborted.\n");
# c8 L* t E& |+ j- ^ - return 1;
1 w' e* h$ q6 p3 J6 m5 m - }. ]$ p, d x* d/ G/ Y& { b
- }/ V+ `- X' @# X7 z$ G
- if (writeparam(mac, stbid) == 0) ( `' V% N9 \, ?; C. H. O, U+ ^
- printf("Parameters changed.\n");( p$ A/ g3 y- N/ \. a
- * h/ o9 Z# x) m# c0 F
- return 0;
@$ j3 O0 _7 N0 ` [7 C" e - }
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