本帖最后由 0522 于 2012-3-21 23:04 编辑 1 `5 @% Y; F) D j9 `' K4 x
& X1 Y F& b0 t: r1 W修改的代码早有了。到今天不会编译。& K) Z% S) |% w6 o1 ^: F
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>4 H3 ~! m' {& ?8 @9 {
- #include <malloc.h> `1 M2 `4 h {2 z, ~% v2 J
- #include <sys/types.h>
) G% z; p, x/ Q7 H/ ?$ e - #include <sys/stat.h>
$ F1 _$ Q( U5 q; `7 K8 {; b% { - #include <sys/ioctl.h>
3 X) b& _2 @7 J. \3 N8 N9 M - #include <stdio.h># z; n( b6 B# c* M
- #include <string.h>
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) S3 x: {; O3 I1 ~& B7 ^8 E- typedef struct {" d- k" o' L* J6 h
- unsigned int e2prom_cmd_sub_addr;
+ c* {5 ]4 u# P( h0 A; [* v - unsigned int sub_addr_count;5 X$ D$ m8 C8 E4 f' Y
- unsigned char* e2prom_cmd_data;. W% h4 S3 P9 E* b8 r: b$ a
- unsigned int data_count;& J& j/ R4 ]* z" d3 ]
- } e2prom_s_cmd;, O. z0 n/ k0 }3 d1 A
t% M5 x( |) b( D Q- #define E2PROM_CMD_READ 1
n: ~# K' X2 U& d1 t3 } - #define E2PROM_CMD_WRITE 25 M! ~4 N d" b! q4 H: Z! Y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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% Z Q( W5 \" W- W6 L# ]& A- static int readparam(unsigned char *mac, unsigned char *stbid)
9 `4 t# i) a$ F' v - {; {/ R" v- [6 E$ m+ [3 E3 ~9 F
- int fd, ret;
, V |) K3 N C4 K% c& F - e2prom_s_cmd arg;
% |! _9 z; f. O8 ]8 B( _ - unsigned char buf[0x18];
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2 J/ i. ?: e5 _6 R8 f, V- fd = open(E2PROM_DEVICE, O_RDWR);: g2 k7 p5 q$ u1 j! @% n
- if (fd < 0) {% ^# h2 N" y7 W1 u) I* W4 U
- printf("Device %s open error.\n", E2PROM_DEVICE);' B- P+ v* c. D: a" ^
- return -1;1 v/ i0 ^$ o: D8 H/ B8 y
- }; Q) a# m' N( J! N
- arg.sub_addr_count = 2;# r$ }* B0 W" T5 Y
- arg.data_count = 0x18;% f% B/ ^9 b: C7 p+ j
- arg.e2prom_cmd_sub_addr = 0x290;
( k; v2 N1 f( S! V* s - arg.e2prom_cmd_data = buf;
" t4 ]( q2 Y" i) \5 \# S - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ b7 O) O, [1 [' }7 K# P7 h& R - if (ret != 0) {5 Q. i: n( g) P M' u* ` u$ n
- printf("Device %s read error.\n", E2PROM_DEVICE);
) I) ]- U. q6 Y" A: R, A - return -1;
/ o) J& m9 f9 ~2 _; @( F - }
4 Z/ P' s/ `$ ]9 ~ - memcpy(mac, buf, 6);) Q5 e8 V! Z% q9 m1 }$ l7 G
- memcpy(stbid, &buf[6], 18); l, H5 B6 M; z- [3 V1 @$ L
- stbid[18] = '\0';2 A* e, Z- n8 R/ I; N: _
- 2 O0 v; X, e# b- U/ a
- return 0;
+ |5 i# Q {% S8 M - }
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& }0 q. S% \* ^, E- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
, b+ [# b+ |. `9 r0 K" e - e2prom_s_cmd arg;1 _3 u9 o, G7 c0 I+ K
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
( s' k: k. r- V8 x& w6 u/ K - memcpy(&buf[6], stbid, 18);
$ ^4 V. J: l$ F( j - fd = open(E2PROM_DEVICE, O_RDWR);/ ]$ E# ]( F% B8 l
- if (fd < 0) {% ?3 Y7 t, k2 X. I3 W
- printf("Device %s open error.\n", E2PROM_DEVICE);
' J5 k5 @. T6 H8 x" @$ r, Q2 z) E! y/ _ - return -1;4 p% S, C5 Q, o$ s6 s+ U ~
- } A, `+ l; U, U
- arg.sub_addr_count = 2;( h m8 h3 c4 ` H
- arg.data_count = 0x18;% p# t; i( t, e
- arg.e2prom_cmd_sub_addr = 0x290;! N/ t3 j& b: O# d+ i/ f' s3 u. l
- arg.e2prom_cmd_data = buf;
- b* f1 d1 U b$ z; \ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. H2 w: f9 O6 E - if (ret != 0) {
3 m/ f4 o M% C5 j( }+ ]8 v - printf("Device %s write error.\n", E2PROM_DEVICE);9 ]7 A* d* p H
- return -1;
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- 0 B; F0 v4 X: H0 P/ o
- return 0;" U% @( b5 {' c% y+ I. S) g
- }
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q4 z! l- ?, U$ }0 ]' c5 V, x- int main()
+ Y9 X7 s) e* Z' R8 }8 } - {
& X% h- H- b: i; t8 ~8 O; i - char c;6 |& Y4 T2 c. d
- int i, macs[6];3 I: r: ^2 N4 a1 v( U
- unsigned char mac[6];
) N$ O C7 d: q - unsigned char stbid[256];4 X1 C! J9 Z5 d; r8 n9 _
7 S9 @0 T7 k) G- if (readparam(mac, stbid) < 0)) t: s5 R; O) B2 E/ [5 T+ Q
- return 1;
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- printf("Current parameters: \n");$ }6 n7 W, |, r H: M4 P9 s: E q! m; c
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
/ c% \9 z) V& ~( O7 H/ W - printf(" STBID: %s\n", stbid);
6 x( ]6 i' u* g- b: a7 o -
: ~) E% z' D7 U5 ?" \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* H" G" U6 Z4 Z; E - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
% |( Q3 e) ^1 s* I - printf("Input MAC error\n");: I: Y8 Z9 R; X9 J) k J1 s5 ?. S
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];) T! l; F7 _7 |
- printf("\nPlease input new STBID: ");9 y% T$ |. b3 O6 n) s; P' a
- scanf("%s", stbid);7 w6 t h8 `+ }/ y7 v
- if (strlen(stbid) != 18) {. o) ^+ U G% ?2 }1 |
- printf("Invalid stbid\n");1 |: `/ G8 |/ D1 C7 {# g
- return 1;
5 D- f8 K; k$ s/ G1 d - }
2 Z3 M3 {( d& c1 S; @0 e - printf("\nNew parameters: \n");
- G: Z: Z) y) }# P3 o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
) j2 x: k5 ]4 e# x1 A0 v% c - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");" d3 Q$ v8 v+ s
- for (;;) {
* w5 i' s2 v; F/ q - c = getchar();
# Q. e _& \0 p! Y& V5 ` - if (c == 'y' || c == 'Y')
3 h+ k1 Z7 [; h+ F" L% O3 n - break;* Q j V6 H/ K4 n/ i# X
- if (c == 'n' || c == 'N') {/ a! }% a/ ^" \4 D2 W f
- printf("\nAborted.\n");. X: f: Z8 V4 E
- return 1;8 k( s2 a4 ~ h d4 j! _9 S5 M
- }1 l: S- L- O4 C& \( C+ V; G0 i
- }
6 u6 U4 p# a: R2 Z5 h - if (writeparam(mac, stbid) == 0) 0 {. a7 x+ r2 |6 |2 R# c7 P
- printf("Parameters changed.\n");( O( n/ Q1 S7 Y0 j* A& U
; R5 F0 c; n: n- T" B- return 0;
. p a- E5 F' C/ ~ - }
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