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。9 G/ h2 r, L; e+ |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( ~$ j2 H' u6 A! Q; T& ], {7 n
- #include <malloc.h>
9 R/ V! P6 j7 U, r - #include <sys/types.h>* v! B1 `( t" _$ o! ^; O
- #include <sys/stat.h>
& o' l4 c0 p6 N' `& @: q - #include <sys/ioctl.h>
' m( \0 u, @! O/ l$ d9 l - #include <stdio.h># ?% p5 e: q( I$ _' r4 d
- #include <string.h>
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- s8 K& c, D# C& Q% D- typedef struct {
! Y, g! i3 f2 L) X( G - unsigned int e2prom_cmd_sub_addr;
8 T( s s& D( e6 v: W+ W, a. } - unsigned int sub_addr_count;3 {0 h4 L$ Q, Q- U3 f
- unsigned char* e2prom_cmd_data;. t; `9 z7 c6 ?+ ]+ E; V# R, m
- unsigned int data_count;
3 `6 f b' M! U - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
* z" J9 q- c, F9 { - #define E2PROM_CMD_WRITE 2' D, }+ \& x+ V8 b+ ?- }7 n
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' C; A5 ~5 {# U& p* f, Y7 R
" o- \. u3 Y8 s; M# c0 j5 r- static int readparam(unsigned char *mac, unsigned char *stbid)
8 B4 O1 \" X# f; l: y - {
7 y+ E2 [7 M1 ?1 @/ r - int fd, ret;
, F) b4 j) p* s4 Z! ^5 [ t - e2prom_s_cmd arg;
" j7 F6 I2 ~" z) _7 Y2 C6 N - unsigned char buf[0x18];
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1 |$ i5 j- ]4 Z2 w7 A- ?9 \& n' L- fd = open(E2PROM_DEVICE, O_RDWR);
& q, F$ j9 o W7 f3 Q b" ~, G* ^- | - if (fd < 0) {
+ e; w# e3 ], A* i1 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
/ g* q& m: Q: b: X7 o - return -1;$ [7 m$ Z# U4 [4 O; R
- }
& m! r# A" a1 b% M8 o+ H - arg.sub_addr_count = 2;0 }7 X; ~( [; k& _+ v$ F
- arg.data_count = 0x18;
; U9 g" @) }! v# G - arg.e2prom_cmd_sub_addr = 0x290;
3 _0 z' S5 G) J+ W- I0 H' D* I - arg.e2prom_cmd_data = buf;
V' f2 F- t) s7 l C - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: b O+ M3 q, d/ A$ v$ ] - if (ret != 0) {
0 M2 i( ?( H" D; M4 j& g - printf("Device %s read error.\n", E2PROM_DEVICE);
1 |1 y) n& y: w$ f+ H - return -1;# y8 I9 n1 M6 j
- }) `1 `/ E' E2 `5 e! m
- memcpy(mac, buf, 6);5 d' _) m6 g! G9 {& @+ B/ V
- memcpy(stbid, &buf[6], 18);
" m! T# D2 j% a# J2 v. D# ~/ z, X - stbid[18] = '\0';. ]8 D4 _+ z' V) {
- # ?: m$ k6 i0 J! q
- return 0;, x1 H% h) @. ^+ Y: m% m& ^4 L
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)$ U0 O, t+ O5 Z& g8 t& W( {' u
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- int fd, ret;7 f8 O2 ?- @5 Z* a- i
- e2prom_s_cmd arg;
7 u5 r! \' l4 [ - unsigned char buf[0x18];: _( c9 C( @' N0 g0 e% }' |
- , h* @/ P/ V9 i0 ^4 y# F! t, o' k, q* {
- memcpy(buf, mac, 6);; ?7 L" s2 B; p$ C2 p/ V! S+ ~' K
- memcpy(&buf[6], stbid, 18);7 ]6 I' c6 w6 k6 v/ c
- fd = open(E2PROM_DEVICE, O_RDWR);
' ?) N+ Y. h3 F - if (fd < 0) {
3 Z% ]9 ^0 |6 | - printf("Device %s open error.\n", E2PROM_DEVICE);, R% S l' Y' z8 Y- m
- return -1;
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- arg.sub_addr_count = 2;
& }& _; B, N4 V# |: s' j$ @0 E - arg.data_count = 0x18;0 H5 A% f" h; ? }, Y$ E' s
- arg.e2prom_cmd_sub_addr = 0x290;
+ Y$ U# h$ i% M" k - arg.e2prom_cmd_data = buf;! R/ `& Y5 f) T* ` p {' D
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ I3 L& R! X7 {, D - if (ret != 0) {
9 z' O4 E, v O h$ l8 [7 T - printf("Device %s write error.\n", E2PROM_DEVICE);1 ^6 f9 s2 Y7 o; M6 `, c$ X ]; F
- return -1;
& j4 }! I% C# X( @( J/ u& F& X7 d V - }
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, R' A( T0 d1 k$ J- return 0;! R6 {+ q/ z# J0 e& X1 n9 j3 Q, `) `
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- int main()
- }0 I4 c. R0 e% O; L - {
7 g$ F8 ~& K- d$ Q* f. S( a: }/ y - char c;1 y. i( u/ z# n7 B& A
- int i, macs[6];6 U, m+ v, a% C( d& Z
- unsigned char mac[6];
/ Z- W9 X* I+ \! }7 | - unsigned char stbid[256]; P4 o7 g& d9 L1 T r
g" ]: {7 g6 L( \$ Y: f- if (readparam(mac, stbid) < 0)
9 \1 h: w b! E P. n: } - return 1;6 _8 c+ D& S p9 I5 T' i
- 4 S2 c, A1 w6 T# J! K" K
- printf("Current parameters: \n");, f6 Y% Y% u& J0 [7 `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! A, i8 u4 D8 f( n9 ]3 O
- printf(" STBID: %s\n", stbid);2 A; I# z: d3 H A
- + D( U5 Q" s9 b J8 Y5 z
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");2 H' t+ l2 e+ v+ n5 [ R) |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* A/ S# P' Z' n2 R3 E0 p! N
- printf("Input MAC error\n");- u( \/ C# w* w- J- I1 H. ?4 t! s
- return 1;$ s4 h, X4 f& c1 f+ F4 F
- }
% k. k0 @* K- ^5 ~ - for (i=0; i<6; i++)mac[i] = macs[i];
: m% T) _. S% v5 G/ r3 n - printf("\nPlease input new STBID: ");5 E! W1 |/ A. L" v# o
- scanf("%s", stbid);
$ {3 L( g+ U2 E, `& S* M$ Z - if (strlen(stbid) != 18) {5 y5 Q+ T& S( N
- printf("Invalid stbid\n");
. K6 s6 H" c4 [" w7 r8 d( ^- N; e5 J - return 1;
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- printf("\nNew parameters: \n");
* ` T( s( \# i; v4 E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); s( I* ^$ x8 i+ O0 [ z: X5 D* f
- printf(" STBID: %s\n", stbid);
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5 D, }4 {/ _ ~+ a5 V- printf("\nDo you want to change paramemters? (y/N) ");" M6 z9 h& `* m, U5 v: P
- for (;;) {
# v/ M4 z1 ~3 C2 |; J$ k9 M - c = getchar();
: a9 h0 e# s" M/ z R4 X - if (c == 'y' || c == 'Y')( P. H0 [ J! c1 M; G
- break;3 t9 W/ R' e% T; H, e
- if (c == 'n' || c == 'N') {
# `. T/ v' M% V/ ?9 B! b - printf("\nAborted.\n");3 k/ V6 b/ h0 b% l$ O0 n! H! ~
- return 1;8 J5 v- u+ g& ^7 V" e
- }
. V1 M- J/ X F - }
0 J* Z2 H0 W: P' _ - if (writeparam(mac, stbid) == 0) . `, V3 F' l1 k3 k! f# g o% E
- printf("Parameters changed.\n");% b7 | J0 g5 k! h
- 6 O% Y9 O* }3 y( r; `0 i( p3 g
- return 0;
$ Y+ }) @1 y3 a' ^$ Q# f/ H - }
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