本帖最后由 0522 于 2012-3-21 23:04 编辑 / J. _* ^ O# ~9 |6 {) b" I
3 g) t. K9 ^6 H+ A+ S) H, x修改的代码早有了。到今天不会编译。# t. }4 _0 J ?+ ], C# Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>" {# j N2 D5 h6 _0 O) k
- #include <malloc.h>
, N! N' r# H: W4 T" \ - #include <sys/types.h>5 R6 L( p: A' m
- #include <sys/stat.h>3 K5 e' w, i3 R2 u
- #include <sys/ioctl.h> `/ j! e5 c0 }* _6 S- g
- #include <stdio.h>
6 u5 ~, w5 `. g+ s" k: T - #include <string.h>' L1 I. M! J6 d: v/ Y
- ' x% J( g/ W: i( n: E$ s
- typedef struct {
6 A7 ~9 Y. \8 a: N& T4 v) T - unsigned int e2prom_cmd_sub_addr;
1 h3 a1 |, o" [' p, [* P - unsigned int sub_addr_count;7 H4 `4 ~+ j- G3 w
- unsigned char* e2prom_cmd_data;
; r7 W) B6 d/ }% |$ Z2 G - unsigned int data_count; \% r7 q9 ~- {
- } e2prom_s_cmd;
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/ N/ e$ V" C' M$ V! P# J! P: y4 q/ \- #define E2PROM_CMD_READ 1
* k: {, q1 r' R- n& o, Y# l - #define E2PROM_CMD_WRITE 2( ]5 d6 u+ _% y6 v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
/ ^2 B* H/ T }9 Q+ Y& q
9 K8 ?9 ~3 i5 d- P# v. G- static int readparam(unsigned char *mac, unsigned char *stbid)7 X7 l: Y- }9 G2 {
- {
' c: n% r8 u" D2 z - int fd, ret;
( o' l# Q( _2 _ - e2prom_s_cmd arg;
, w) e# V. X) W( Y - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 s# f) |+ ^+ B2 \: V - if (fd < 0) {
9 G8 s) H a6 s" Q: P - printf("Device %s open error.\n", E2PROM_DEVICE);( M1 B3 H& Z0 a; P) v% Q4 \
- return -1;
/ @8 P* l9 V/ [& }; H - }) g) I: o- X. G# D
- arg.sub_addr_count = 2;" T# z, C" Z" |# R" h$ l
- arg.data_count = 0x18;2 x3 C( ?2 W0 ?2 _, A! Q
- arg.e2prom_cmd_sub_addr = 0x290;, V7 w/ o3 s7 M2 S c
- arg.e2prom_cmd_data = buf;! e) N+ h- m, B
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( L9 x; g5 {' k& S+ @; C1 q
- if (ret != 0) {- d Z) g F& Q
- printf("Device %s read error.\n", E2PROM_DEVICE);& ]. r) V9 ?0 r, \
- return -1;
, r6 x' y% f8 _0 M( I9 {+ O - }& ^/ h# H9 G$ q2 ^* q9 o) v
- memcpy(mac, buf, 6);
( y" ^) b: g! `2 O) u5 v - memcpy(stbid, &buf[6], 18);' X# B( Y0 l$ ]6 i9 v _- i
- stbid[18] = '\0';
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- return 0;
" @. e0 s: R+ ?: n8 j - }
/ |# e4 H! g7 w# Z! y- X
- {$ L4 A6 ~( x$ S( ^- static int writeparam(unsigned char *mac, unsigned char *stbid)) y) ]( C% ~: @# [; F* j/ B
- {
1 E% ?1 h7 \- Y' [, C2 z& d4 G - int fd, ret;
5 V! Y2 H2 E( G6 `1 s( J - e2prom_s_cmd arg;
: X, m t0 Q% j2 l R" c7 ~* F - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);: B. s5 a6 b0 U, d; @5 r5 m, m* Q
- memcpy(&buf[6], stbid, 18);
- k+ S. G- S! t1 f W7 r - fd = open(E2PROM_DEVICE, O_RDWR);6 c9 x+ y7 v$ r0 [7 L% f
- if (fd < 0) {
# z7 d4 y, s9 Q. w - printf("Device %s open error.\n", E2PROM_DEVICE);
9 X& c2 q& @2 s9 l - return -1;
" j5 }; N# P) H0 J4 w4 t- C/ S - }( v0 n" Z" s6 {
- arg.sub_addr_count = 2;9 B6 I. c; K6 ~8 Z$ C. I6 N+ s& u
- arg.data_count = 0x18;
( @4 [: r9 ^; ~8 Y5 b' Y2 l, k - arg.e2prom_cmd_sub_addr = 0x290;4 q Z3 h% m( I7 b* M7 [: N
- arg.e2prom_cmd_data = buf;
- ~$ ?# V9 f: Y3 A3 U6 D8 z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ {$ o+ Y" O/ m# j. o! C
- if (ret != 0) {
7 v( l. ]- L# n - printf("Device %s write error.\n", E2PROM_DEVICE);7 \8 ]- v" J5 V. e0 R
- return -1;
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6 c, U5 z, r. h/ `) K! j/ I- return 0;
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- . F+ X9 T9 s& I& e" D. x/ @& x
- int main(): Z9 t/ I% U, F
- {! O+ ^% [ @# q, J. `2 b3 W
- char c;" i6 t- B7 i1 r; R9 Q6 o8 [: `% S
- int i, macs[6];! E0 e) Q {' x4 M8 z% H5 s+ B
- unsigned char mac[6];# a# e6 N# y+ A0 `7 v3 J
- unsigned char stbid[256];3 q1 F( `2 l/ _& W* E/ [) Z
- ! A, h" m7 Y, m
- if (readparam(mac, stbid) < 0)# q. B0 [# \5 ]4 k: w S3 |+ D
- return 1;
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; j' N1 P! Y& \) M1 g g' m* |; E- printf("Current parameters: \n");
4 Z" j0 y% h( f4 n3 G6 f, p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, c& x2 J9 ^! y+ \; U6 A8 @8 i+ U: G
- printf(" STBID: %s\n", stbid);
# X% b9 n+ f' E" A! ^+ o - ) b! f, x6 ?' X
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ X$ [8 V' }8 o9 v. h - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
' | `$ N3 o! k- | - printf("Input MAC error\n");
- b% N. V$ Y6 c - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
1 ]6 o" @* g3 J - printf("\nPlease input new STBID: ");: X( O7 Y6 b' h! h
- scanf("%s", stbid);% X+ h. O4 w4 d5 ?# `
- if (strlen(stbid) != 18) {9 Q* v3 M; x( N. s g# r9 A$ V- X
- printf("Invalid stbid\n");- G# R/ O9 n' r- m; x( a4 S
- return 1;
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- printf("\nNew parameters: \n");
5 x8 L, y! T/ P a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; ]1 E9 g, I. ]5 F+ w2 S$ i" T) w) }
- printf(" STBID: %s\n", stbid);
# N# `7 V0 r- e7 K' E+ C# v* D
* _# l9 C+ l d$ l! u+ Q- printf("\nDo you want to change paramemters? (y/N) ");( ~ L; U" ~2 O; {6 [/ j! d2 I1 ^; |
- for (;;) {9 X( W( T: f' G
- c = getchar();
+ K+ ]3 _$ g- j) s4 ~ - if (c == 'y' || c == 'Y')( m/ A6 T% r. z5 z
- break;
4 w5 }) l- p( m1 H3 w$ f - if (c == 'n' || c == 'N') {% [) D$ b5 {! j+ _
- printf("\nAborted.\n");8 q1 ^/ D& d' e' f, n ^
- return 1;. Q- `! W, U/ N
- }
@! H, I5 R, H - }
7 k- I; Y! |* r( T) Z6 ? - if (writeparam(mac, stbid) == 0)
% q; z3 ^9 k! V - printf("Parameters changed.\n");
& I+ ]5 W d8 T$ {: S0 L - & p: F! f q; t y0 K4 \
- return 0;
5 k: l! [1 i& k; ~3 G: l E - }
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