本帖最后由 0522 于 2012-3-21 23:04 编辑 ' L. r: P+ W2 R, m7 ^/ j
& \" E4 M6 s3 p4 _# x: Y3 ?修改的代码早有了。到今天不会编译。
k' d0 }5 F* c3 n" s& s需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 e# b# ]8 l, P
- #include <malloc.h>! M6 o. S* ]4 K- J
- #include <sys/types.h>
4 g4 j- E4 u) S/ a% h2 v - #include <sys/stat.h>* e% | a- G$ \7 ?: |) |* w
- #include <sys/ioctl.h>* `4 a! l. j9 D! k0 [6 ~+ O6 P$ P
- #include <stdio.h>
; R' x* g: {; s/ k5 J - #include <string.h>
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0 X ?/ w6 O+ y. f$ c' |- typedef struct {$ l# u+ U+ u: f4 W. `
- unsigned int e2prom_cmd_sub_addr;
, O8 R: |9 d* i9 R! u# v! ` - unsigned int sub_addr_count;$ M4 _7 B8 J! G% K4 l' z
- unsigned char* e2prom_cmd_data;
% I; @7 E0 K/ ]$ {9 l - unsigned int data_count;
0 ~" K# d: a% F! H; Y8 K - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
! f3 e8 y: F7 _3 E# u6 f - #define E2PROM_CMD_WRITE 2& d" _" G, q& i' @$ v
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# Y$ b1 G/ @# g( b0 u: i0 \- static int readparam(unsigned char *mac, unsigned char *stbid), }3 I( h& ^/ g- P
- {
% w' d( w6 [2 w" |. l* \& |4 | - int fd, ret;# ]9 w7 h3 R; k; \5 ?' U' c! c
- e2prom_s_cmd arg;2 }( q: p& u D2 t* S
- unsigned char buf[0x18];& U7 A3 C2 f9 x+ H3 J' z
- ( R8 S# h0 D' d
- fd = open(E2PROM_DEVICE, O_RDWR);9 O+ Y: u: z9 m: k K. E+ S
- if (fd < 0) {
5 P3 O0 O0 m1 s/ ~ - printf("Device %s open error.\n", E2PROM_DEVICE);) y7 i9 G J* @& @) f# @5 A" a
- return -1;4 j8 h+ N8 ?0 v3 ]
- }
4 v! A* ]- C. b6 K" {1 K7 H7 S7 W - arg.sub_addr_count = 2;
, i7 g( F& Q; j! t4 T! O8 \; m - arg.data_count = 0x18;
X% `5 U3 m7 V9 r - arg.e2prom_cmd_sub_addr = 0x290;- i6 A5 R/ z5 p& t Q- J
- arg.e2prom_cmd_data = buf;
+ f: J; g g! I% E - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* _3 \, D1 }; e) l/ I" l2 ]% } - if (ret != 0) {
* |( E. n! s. c2 X0 b - printf("Device %s read error.\n", E2PROM_DEVICE);
9 N. X6 v! `0 J8 m. h - return -1;8 P1 w. [# F" M3 ?
- }
) ]: `6 K( w" n* }0 v$ i - memcpy(mac, buf, 6);
* I7 i6 B' c; C0 B5 y/ r/ L - memcpy(stbid, &buf[6], 18);
. B/ s7 T3 A' W! v3 O; h' Z - stbid[18] = '\0';
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- return 0;+ w/ f' v3 B' d4 s. {5 n
- }
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3 n/ L8 v" j- I" Q8 v3 d- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;% p+ Z+ ]5 t* W4 r
- e2prom_s_cmd arg;
8 O( @' w* z0 S- C/ w) c/ O9 w# S - unsigned char buf[0x18];" ~' k/ P1 C0 i: y$ W# F
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- memcpy(buf, mac, 6);5 M1 r" ]/ m @. A Q4 p
- memcpy(&buf[6], stbid, 18);% {( ~) r2 u, ~8 H: C9 H, T
- fd = open(E2PROM_DEVICE, O_RDWR);, g: q2 r# _+ T
- if (fd < 0) {
8 @6 e/ a6 z" {' ]2 n! D - printf("Device %s open error.\n", E2PROM_DEVICE);- e3 E0 v8 [. j' v: C, V
- return -1;0 c, w) K$ C) K. m
- }/ d8 t" U3 e- k# a" g
- arg.sub_addr_count = 2;6 Z( ?/ |2 @) T1 s# s) b
- arg.data_count = 0x18;7 u8 k6 V" g+ w% K2 B
- arg.e2prom_cmd_sub_addr = 0x290;
8 v, y- F$ V; ?0 @5 E - arg.e2prom_cmd_data = buf;
: T: W9 p d) E5 {+ ^; ] - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
/ C6 T) D9 U! H5 H. L - if (ret != 0) {
8 e* d ?9 k1 B/ F - printf("Device %s write error.\n", E2PROM_DEVICE);
5 S1 n% _+ c6 Q2 v - return -1;
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- return 0;
- }6 Z4 u& N% q) n0 _" E; d/ U - }
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- int main()
$ c$ x5 \1 L; E) \/ j - {
) X2 g. I; B3 q S$ P3 i# O - char c;* ?, _% p! d' O9 g# I+ f: K
- int i, macs[6];
' M) |+ { X( f0 B - unsigned char mac[6];
7 {9 N1 ]$ J* ^ - unsigned char stbid[256];% o1 I. p! E) V" K6 N/ Q7 P: v
( D; }& [7 v3 N4 ~8 u L$ h, u- if (readparam(mac, stbid) < 0)$ Y! L& m# o9 u5 F! I" \
- return 1;
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* v6 `2 S4 n! `- printf("Current parameters: \n");
7 D5 Q) L: }/ K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& F5 B/ `$ q2 n+ X/ t/ |/ P9 F
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# e5 Z! V0 d/ h
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 E2 _1 E+ ]( b3 h4 t! y8 S1 d
- printf("Input MAC error\n");
1 d$ b+ @/ c/ m - return 1;& _2 h5 W0 |- Y) D, T" U
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- for (i=0; i<6; i++)mac[i] = macs[i];# O1 R) c" S5 F) X1 o
- printf("\nPlease input new STBID: ");5 v& ?* I; G- z- ^
- scanf("%s", stbid);
. b& M! W) Q2 @6 N( s0 s - if (strlen(stbid) != 18) {
9 n% ~( f+ d# q- N3 A9 o& m/ [4 E8 i8 C - printf("Invalid stbid\n");) N2 ^, ]5 O' @* \. A
- return 1;, [2 w Q) z) _. X
- }
# e5 g/ [7 h8 X9 t& f3 \ - printf("\nNew parameters: \n");
4 U) l2 x7 C+ [: I0 M7 a7 } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- [0 U1 l h! J+ L! w/ B
- printf(" STBID: %s\n", stbid);" }; l& e! @6 c6 g5 c# d
- * C8 @3 P; } `8 x; e
- printf("\nDo you want to change paramemters? (y/N) ");# Q) L6 @9 ]9 l3 P. Q& @( h
- for (;;) {
1 G0 G7 U0 Q# F V - c = getchar();
4 _5 x2 ~! K) z9 D7 S - if (c == 'y' || c == 'Y'): y7 l2 F( i! t7 l* l
- break;
6 T6 ~1 _9 M R- F% h$ L - if (c == 'n' || c == 'N') {
) _7 Z7 r. {' f- S0 V) p5 h - printf("\nAborted.\n");
7 K u) u6 A2 F, Y1 o; c' [( O - return 1;9 } W2 l+ K' w, O! d$ R9 x4 U( z& b
- }6 z% q% T; Q$ b$ z1 x' S$ O# _
- }
. t) w$ D' o# E$ F$ Q - if (writeparam(mac, stbid) == 0) ) M& t; G$ \% e& y
- printf("Parameters changed.\n");) A1 u( G8 }# w1 ?1 ~; N) a/ o, R/ B
& f& i2 H1 n7 a. i9 _0 H( H- return 0;
9 ~- t, w" j1 ^. M9 `9 j7 } - }
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