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。4 Y+ P; s+ \- e( V3 T
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>* L; g2 Q/ t/ f( t5 T. [! d
- #include <malloc.h>
# m2 ^5 W4 X2 o- e7 v/ `. H - #include <sys/types.h>9 [8 r8 g- D" J5 ~& f" Z4 t$ M+ D8 k
- #include <sys/stat.h>
2 ?1 b3 e5 \; d) D' i5 i - #include <sys/ioctl.h>
, v+ G# U ^* S+ J$ T. s% U - #include <stdio.h>
8 h% e! E8 H) p6 w - #include <string.h>( M) ]( D: s7 D; s0 F
8 e0 y) W# b) E7 E1 t( _4 B2 L! z- }& a- typedef struct {
# C) l# \2 c. s1 | - unsigned int e2prom_cmd_sub_addr;
& `$ s v5 s0 U4 N& ]/ \% N - unsigned int sub_addr_count;, T) c0 O5 t( X7 }3 E4 q% l5 U- N
- unsigned char* e2prom_cmd_data;1 c8 G% i, @4 c5 D, C
- unsigned int data_count;
) W& [) z, Q, `8 D) @ - } e2prom_s_cmd;' _& ]! i$ i* n1 \
% Q8 ~' g% Q+ |( R. q5 n2 t4 @/ d- #define E2PROM_CMD_READ 13 F1 W: q. [& y! N; v: \+ S
- #define E2PROM_CMD_WRITE 2
' d! [! k0 F6 J Y9 n, z* c - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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5 i" d: v" z, \' ]* ^ e. W- static int readparam(unsigned char *mac, unsigned char *stbid)
$ r* j3 f1 x" x$ \; O - {
# c0 G! v) w: Q1 Y - int fd, ret;
( E$ U/ \* b7 G/ @+ C- @6 ^, W4 u - e2prom_s_cmd arg;
3 i; J0 k' c; J/ m: f* R - unsigned char buf[0x18];
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m% p: m' u0 W* G- fd = open(E2PROM_DEVICE, O_RDWR);& K1 {) o! s9 ^, m+ ~& F& K
- if (fd < 0) {
, w) y' Z- l% h& _2 p! i. H - printf("Device %s open error.\n", E2PROM_DEVICE);
: h( \0 A7 l4 e8 j: E - return -1;) X6 n; @: @7 i& X1 @! T4 v: x% s+ ~9 K
- }
o0 \2 g( }5 Z - arg.sub_addr_count = 2;7 J9 s; S3 b5 m; C/ u \
- arg.data_count = 0x18;5 g2 }0 s2 M% g. D
- arg.e2prom_cmd_sub_addr = 0x290;
- e7 L( B2 [) K; r1 \& U; m Y4 P - arg.e2prom_cmd_data = buf;
$ D, y; i$ s! `, K1 V5 j- S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);; @2 a4 x7 t4 U+ t+ C+ n! E! j, g7 S
- if (ret != 0) {, B# C0 c# N8 ` [$ `$ E
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 d. j+ O$ L7 J - return -1;
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- memcpy(mac, buf, 6);
) L* i! b- h, \8 p% ~: L - memcpy(stbid, &buf[6], 18);' ]. J& v7 V7 H
- stbid[18] = '\0';5 S2 \# B4 J+ ~- `' `4 e
/ _" ^1 Z% n) |' Y8 ^$ h- return 0;; s- C+ @( y9 r; v% x) T9 ]/ c( `
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;! w# _& p- F) D, P" X
- e2prom_s_cmd arg;
0 u* ?+ K4 q6 b# V - unsigned char buf[0x18];0 x: A0 z8 a! T; ?. Y2 o6 @
6 |: b$ C7 P( Y: A/ q- memcpy(buf, mac, 6);/ [- u8 b* _$ Z- p, c
- memcpy(&buf[6], stbid, 18);
" z: k5 Q2 w4 s" X P9 h, A - fd = open(E2PROM_DEVICE, O_RDWR);5 D& x5 T8 B$ M& G: F3 V
- if (fd < 0) {
! E1 D! c! T/ B N - printf("Device %s open error.\n", E2PROM_DEVICE);( n5 h) D6 O7 o% y
- return -1;
8 e2 Y3 I! R: \0 k; K: O - }
! Z- z+ E- ~' b7 q V7 q - arg.sub_addr_count = 2;
7 [( L( q6 _2 }* k7 i2 e1 l" G - arg.data_count = 0x18;
2 E, ~8 A$ m0 W$ C* F - arg.e2prom_cmd_sub_addr = 0x290;) ~7 Q' s, i7 v+ d/ T, n2 J U% c
- arg.e2prom_cmd_data = buf;1 T' X) _0 `" M8 t0 T% D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);" `! q6 B, }: G- J0 z
- if (ret != 0) {- |$ k" F# G* y6 o) K: B5 l
- printf("Device %s write error.\n", E2PROM_DEVICE);! K6 z6 t( N! E, r' Z# j# g: H/ |
- return -1;
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) w6 n! V) e9 Q P- return 0;9 }! K0 y5 X: J
- }
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- int main()1 B$ Q% i$ e5 }( A0 c
- {: Z$ L; T4 o! T" G
- char c;& o) \6 }9 c; @
- int i, macs[6];7 V) s/ p* [ i& d" s3 Z) u% A
- unsigned char mac[6];
* `! u2 F4 p/ V$ I2 \6 | - unsigned char stbid[256];
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T% P( M. `: L3 r- if (readparam(mac, stbid) < 0)9 i/ [' G- x) ^- o* ?2 T8 w Y
- return 1; Z/ c; i, U* t% Q2 H4 E7 H G1 b
5 c0 G4 _' U0 m/ p3 J- printf("Current parameters: \n");
# \6 S$ }+ a7 f2 _- A3 g `6 }+ [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
4 T+ a6 E; O' Z# [/ L* w - printf(" STBID: %s\n", stbid);8 X Z5 V. W) Z! x6 q7 x ?# K6 B
-
o! q. y, t* F: ?' } - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% R: e, K9 O) O
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 x; Z: a6 ~" q2 `" j8 i
- printf("Input MAC error\n");
. T. m0 j) h8 r! G: {. g5 @+ Y - return 1;8 S4 ^# `9 }; j* J. K# R2 A
- }9 W: ?* T) c+ ?( o
- for (i=0; i<6; i++)mac[i] = macs[i];2 @) v0 Z) w9 L$ e+ k# Q
- printf("\nPlease input new STBID: ");
# d8 j6 r# {4 o7 F) T# T$ C - scanf("%s", stbid);
( n" H. D, s3 H - if (strlen(stbid) != 18) {3 y1 v3 Z6 X1 L9 u+ u1 c
- printf("Invalid stbid\n");2 O9 @% {3 X6 V
- return 1;- O) g- u+ p4 T/ W
- }
5 Q3 D. V7 j) C* w s - printf("\nNew parameters: \n");
! H5 k. s2 j" D7 l - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ a! }# a$ d5 Z' }0 R9 h
- printf(" STBID: %s\n", stbid);: W& ^! n& B0 c, e
' g9 k! e2 @' K; a2 h- printf("\nDo you want to change paramemters? (y/N) ");
& m9 F0 @3 z9 A3 | - for (;;) {
/ ?3 j. w8 S7 G D. a - c = getchar();$ X! l5 q2 @% t; C
- if (c == 'y' || c == 'Y')% Q8 z& _ D6 U* y
- break;
; w4 A9 V6 a m( U% {/ t - if (c == 'n' || c == 'N') {5 D, v6 F, B' O# j F
- printf("\nAborted.\n");
2 Q; Q& [( ]8 |' X - return 1;$ d' N* K3 v: u7 d5 c% }
- }
8 G1 C4 \2 w/ [# Y9 j - }
- V! t# j8 ?7 B/ K: B7 M3 d' c7 J - if (writeparam(mac, stbid) == 0)
3 \; r+ J/ k; S b+ h6 y# c - printf("Parameters changed.\n");
- L- _6 @ _0 h' e, L - " `- ^6 ~ q6 L7 Q
- return 0;! ]" _; o M: {, W6 }
- }
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