本帖最后由 0522 于 2012-3-21 23:04 编辑
" m$ c/ z9 U0 H7 Q$ E* `: O& \- A6 k+ f/ I6 q# t
修改的代码早有了。到今天不会编译。) w5 z k% _# \0 Z# \) p/ B2 W3 l
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>$ K) A+ J/ X: `
- #include <malloc.h># ^8 d" \) t5 c: m9 J1 o: O& \
- #include <sys/types.h>% Z1 j8 X; w" g. v) M% X
- #include <sys/stat.h>, F9 W. T% k5 H3 R/ L1 {' D3 f
- #include <sys/ioctl.h>: w' h1 l' ]' t2 o7 @5 v: [
- #include <stdio.h># g8 G# e8 b5 R! c0 N: H4 x2 H3 J7 q
- #include <string.h>
4 a1 f; p6 K+ }& ]% `* T - . X9 w, T# T7 _. y( m
- typedef struct {$ y7 Q/ P I6 ~2 n- ^4 a9 l" O% V
- unsigned int e2prom_cmd_sub_addr;
1 l! }& Z8 T% q( I! a7 F3 d: J - unsigned int sub_addr_count;' K: o- A9 J7 ~& L( [5 P1 m$ _
- unsigned char* e2prom_cmd_data;
9 |) B$ h2 G. {$ _: p - unsigned int data_count;+ C! I. \9 j" R# I9 l
- } e2prom_s_cmd;! H0 W4 o; L; ]5 m* [6 f) `9 u
- 4 |6 K3 z8 q0 f5 D: c* o2 {0 {
- #define E2PROM_CMD_READ 1
! z6 z$ V2 j4 O5 d/ A# \: o - #define E2PROM_CMD_WRITE 2
" R9 a* o0 M4 d1 @! C1 d5 E - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 ?, g5 z" t2 Z4 |: u4 l( K' m
' n# r' V; j7 u, a* U5 Z+ O- static int readparam(unsigned char *mac, unsigned char *stbid)
" B$ L: ]) r: K' G - {
! d1 I9 D1 H8 t: M7 o7 G; P: M9 e - int fd, ret;
4 N7 T, X% ^% Y! `6 W/ } - e2prom_s_cmd arg;8 Y7 L6 \" E0 `* H3 g% U
- unsigned char buf[0x18];% A6 G l# W. m. {) ?4 l
/ m( z& D5 X4 e$ x" l6 C- fd = open(E2PROM_DEVICE, O_RDWR);/ Q7 ?2 f3 `9 T. c0 ^
- if (fd < 0) {1 A5 b0 ~0 }: m
- printf("Device %s open error.\n", E2PROM_DEVICE);
, X4 r' c/ j. z9 u$ B - return -1;
; r4 d1 t4 |5 B' G. C - }6 {1 w2 m& M) v/ W' t4 g% q/ w
- arg.sub_addr_count = 2;
8 q0 W4 x, E# b% Y9 L - arg.data_count = 0x18;! x& Z$ S& R/ I
- arg.e2prom_cmd_sub_addr = 0x290;& g: J; R$ U! F1 e
- arg.e2prom_cmd_data = buf;6 t, N/ F$ j: D# b' I$ Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
, K4 \% ?4 X/ P# D7 i - if (ret != 0) {
0 t: B" o2 V' Y1 s9 N% b- X - printf("Device %s read error.\n", E2PROM_DEVICE);
2 M: n/ c8 Y) ^- n+ W - return -1;, x F. p2 x9 ~. u5 B" ~
- }/ y+ x+ V- T# C0 `" i4 p4 X1 D
- memcpy(mac, buf, 6);/ p; R* m J9 D3 k/ ? H$ r! L% H
- memcpy(stbid, &buf[6], 18);
$ o. E9 q, E; A2 O% x - stbid[18] = '\0';
: k M5 N( j; _ - , Z# u, y% e B# }: j; ^! K3 @
- return 0;! _: Y" Q$ |2 [
- }
) H) F$ a/ }: ?
- r: F4 v( \ r9 ?- static int writeparam(unsigned char *mac, unsigned char *stbid); X0 E- @. }4 D3 Z& L0 W# @; N$ E, D
- {7 {. [# {4 j5 e" J, a
- int fd, ret;) k* H' r: s# w# l
- e2prom_s_cmd arg;- _* X* }# h3 {0 K9 t
- unsigned char buf[0x18];: |) ]* g/ Y% u) Z
0 [7 ]+ h h1 |: z% }# L- memcpy(buf, mac, 6);
- D) w( E' K5 R - memcpy(&buf[6], stbid, 18);
0 r$ N. ~2 V b5 h4 B - fd = open(E2PROM_DEVICE, O_RDWR);
/ Y7 E- S6 ~. w5 E# i% K - if (fd < 0) {
6 {0 j% O) k8 k8 R9 M5 U - printf("Device %s open error.\n", E2PROM_DEVICE);8 G- q5 j5 l! k, s
- return -1;8 [# _% A7 \, }7 p% u
- }
& g- a& P U" B$ N# b7 S - arg.sub_addr_count = 2;9 t, U3 r+ m% f4 N: U
- arg.data_count = 0x18;
S4 d* k+ ]+ ` - arg.e2prom_cmd_sub_addr = 0x290;
" P! n1 ~0 d9 I - arg.e2prom_cmd_data = buf;+ G. p3 e& V! r/ Q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) d K6 v4 ?" R B W
- if (ret != 0) {
~, ^0 u$ ~0 j; J" V. O+ @: w - printf("Device %s write error.\n", E2PROM_DEVICE);; a, p* _. }: r4 S* u" d
- return -1;
! B$ K2 G, w. b% G! [ - }
) B$ R$ B, a: k/ s* h) _ - 2 |) z+ L# s9 f+ K
- return 0;1 v3 j0 Z4 ~: B7 i; m# |
- }7 c! ?* E7 Z* C, z1 L* }
- 0 U% `& Y# B7 j6 d' q( e+ P9 N# _$ E
- int main(), \9 d$ V/ F' d# }
- {
/ L) s8 q V4 ~7 a% P4 h' }; p: B - char c;* i! k6 C1 d6 V. B
- int i, macs[6];9 t1 m9 j' f$ v5 b
- unsigned char mac[6];
6 R/ a9 O1 L( t2 o6 Q+ r: d5 ~# e - unsigned char stbid[256];
% S. i: @& `0 H - ! ~0 p1 ^' f) ^, Q
- if (readparam(mac, stbid) < 0)
7 @( A0 ]0 N* t, x3 ] - return 1;3 ^7 m; _: ?" p- ?8 N. {3 Y" W
( E. F, }" L( r! X2 {2 J5 b7 b5 R- printf("Current parameters: \n");
& P8 L0 V! B1 R. r- a& T3 K( k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- i. H! T& A) I8 o7 M' ?4 Z
- printf(" STBID: %s\n", stbid);6 ] o; n; `) Y3 ]+ \$ Y9 R
- : Y1 I8 ^% ^# M2 }( {
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) c# j3 w9 r2 m. w' k$ }
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 j7 C* F a3 I& b
- printf("Input MAC error\n");
3 ^# |9 H9 q, i! d% O' h - return 1;
* S3 _, D s: H - }
# K7 Q2 U9 b4 P* P - for (i=0; i<6; i++)mac[i] = macs[i];
8 e* P# C9 p9 O - printf("\nPlease input new STBID: ");1 m; f" v3 {( C6 j
- scanf("%s", stbid);- k3 p0 y, A$ r4 G' o; g
- if (strlen(stbid) != 18) {/ S6 H- C/ T/ S
- printf("Invalid stbid\n");4 |$ D- j0 s f% S* h
- return 1;4 }# z3 X; N* g# p4 a) |9 f4 F
- }5 [2 a' |/ H$ h! Y( h! b
- printf("\nNew parameters: \n");/ _! j, x* c; `9 J* v' n( d9 t/ ?" S! N
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& S, a9 X0 U8 Z8 F0 n% U4 G# ] - printf(" STBID: %s\n", stbid);
L, ? m( k% z! |- Y& O W' _
( X w. \- y5 `, f1 J9 t @- printf("\nDo you want to change paramemters? (y/N) ");, K: R1 Y! ~5 C |
- for (;;) {
# q1 m2 N! e5 T9 T4 |/ v# Y - c = getchar();8 R! v. M U& H
- if (c == 'y' || c == 'Y'). p7 f$ k! R6 m7 x7 d; V
- break;
, Y, r, J9 g: m6 E - if (c == 'n' || c == 'N') {3 y+ O! Q* f( N' Y
- printf("\nAborted.\n");+ |% x( `4 q% r' u; j
- return 1;
9 n% u* R; A) Z) K - } @2 Q# N. t @$ Y
- }
7 q0 Q& F8 X( R0 f! r - if (writeparam(mac, stbid) == 0)
" c4 [. c' a; i6 `- V; } - printf("Parameters changed.\n");
; F# Y1 ? n3 B/ e' U! |
( b7 L# b5 d9 d3 g% g# M* {- return 0;
: t" Q# I$ O* K S- i3 q - }
复制代码 |