本帖最后由 0522 于 2012-3-21 23:04 编辑 ( u/ V3 w k2 @
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修改的代码早有了。到今天不会编译。
. j$ E; z2 G" F3 i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>, p8 L9 y: F/ W) G& z" A- E
- #include <malloc.h>
9 G7 ]2 @' N1 N. ~: F* y - #include <sys/types.h>8 K: k4 i3 \( G5 O& _% }! f
- #include <sys/stat.h>
' w5 B6 K+ P8 K" T { - #include <sys/ioctl.h>3 J$ i; t* F9 @4 d1 ~. L( A
- #include <stdio.h>* Z/ V7 Z$ k2 ~1 ?* q
- #include <string.h>% ^; H _2 v g/ [' `/ e* A
& z- Y! Q& Z! Y B- typedef struct {
% o+ a& a+ N6 G( y/ H0 m - unsigned int e2prom_cmd_sub_addr;
1 ^' p4 l$ o- [ - unsigned int sub_addr_count;6 K: M* S8 h* W! T
- unsigned char* e2prom_cmd_data;
\" b! ]- u0 x$ K! I; w - unsigned int data_count;
( B: h/ j7 I0 \* f6 K - } e2prom_s_cmd;9 d1 z6 s3 B9 S7 W
- : W# u7 W1 [6 q: S1 s
- #define E2PROM_CMD_READ 14 T+ s& n1 e) H
- #define E2PROM_CMD_WRITE 24 K0 T- Z& V/ ?3 ?+ f; y6 p
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"2 W/ d+ b- h% R6 ?4 S* |7 N
- : N1 N3 C9 L2 Q& c; ~- c, }
- static int readparam(unsigned char *mac, unsigned char *stbid)1 O' B( q# }9 @4 w# v) v! I
- {
5 T( q# X1 s" F0 F - int fd, ret;" A# E" m/ c& I! z5 n
- e2prom_s_cmd arg;" c3 k0 {# \6 e
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
5 t- f& p. C y3 }! m) H5 }2 G - if (fd < 0) {
. W( p5 E6 N) U5 ?6 ?' S# U - printf("Device %s open error.\n", E2PROM_DEVICE);) u! A; b- U5 P+ d$ O
- return -1;
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- arg.sub_addr_count = 2;9 }2 t- A5 Y/ H. |/ @6 R
- arg.data_count = 0x18;" q' s; J7 N4 D- A* v7 G+ k: f
- arg.e2prom_cmd_sub_addr = 0x290;. A. s3 S0 v" D3 p2 U3 V3 N
- arg.e2prom_cmd_data = buf;
+ f: U4 O/ U/ \5 G9 b2 H1 c8 B - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ i! Z+ @( a' ?) I! O" W% ^( ` - if (ret != 0) {
! \5 u5 n8 r g7 f - printf("Device %s read error.\n", E2PROM_DEVICE);2 {! ~6 M, S @! \. m
- return -1;
R3 G3 D. K# d# P0 n6 o - }
& M) M1 s: n" W. j) i - memcpy(mac, buf, 6);$ ^% s3 Y- H# x' L
- memcpy(stbid, &buf[6], 18);
. R& u l& d/ M5 ` - stbid[18] = '\0';, V9 |( I/ u* W0 R1 a
- 4 m% c& c l: ?. \- D. R7 ~- @* _# a
- return 0;
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- " B5 }4 e/ U5 w" n9 l& X4 _6 [
- static int writeparam(unsigned char *mac, unsigned char *stbid)% W. g. i+ c# J5 W/ z( M
- {
$ a( o' u$ x: z' G* ]+ y8 w - int fd, ret;$ C5 m+ L" z8 o0 ?
- e2prom_s_cmd arg;
, K. y0 ?8 l0 v4 d/ y - unsigned char buf[0x18];
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5 H' M7 t5 N# t6 |- ~3 b- memcpy(buf, mac, 6);/ |" x* Q* B, U" {) u( M0 A
- memcpy(&buf[6], stbid, 18);7 w3 t. g; g: a S+ Q5 A0 d
- fd = open(E2PROM_DEVICE, O_RDWR);
5 g7 e, w h! B5 H - if (fd < 0) {
8 R# X3 y* f6 [2 H+ q9 u; ~ - printf("Device %s open error.\n", E2PROM_DEVICE);: O5 v8 F4 i' O& p L- }
- return -1;
. Z D# ? J. g+ \6 t9 m) Z, n3 v - }
$ @3 V, {! G/ L$ H: u0 h2 } - arg.sub_addr_count = 2;
* U6 k9 \9 L' X: k! o3 O - arg.data_count = 0x18;
: d8 g5 q' T- H - arg.e2prom_cmd_sub_addr = 0x290;
) q+ P' ~- W/ K5 M7 ]' [+ B - arg.e2prom_cmd_data = buf;) D1 M) H0 _: E G$ K: ~1 W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( I9 s. d2 ]7 ` - if (ret != 0) {/ v8 @; I" J- Q
- printf("Device %s write error.\n", E2PROM_DEVICE);
& P/ u( ]# U! o7 ?$ y - return -1;5 W1 g1 a6 w4 T
- }' r3 i! U' c5 }, _
: X$ y; W# C% B4 C: y, }7 l- return 0;( _% ]8 ~, D4 R
- }# }. z8 y8 \1 I, k
- * o' [6 o( K/ K# V$ ^' V
- int main()
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- char c;& L2 d! B1 k2 U8 G- C
- int i, macs[6];
% S* H7 i' ~- G; C5 N9 b: k* ^3 B - unsigned char mac[6];, d% N7 h6 C; R6 H9 a
- unsigned char stbid[256];% X# I& s( w9 U! Z# \
- % ~( X N; y* R4 I
- if (readparam(mac, stbid) < 0)0 T* E' h3 j9 i4 o
- return 1;6 x2 d4 F! P; w( H& L8 D1 R1 c
$ Z/ n7 N1 u4 U* t- printf("Current parameters: \n");- ?* i* I/ a* W) m- n& ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" _* ~6 A! Q- O7 t' y - printf(" STBID: %s\n", stbid);
@! E/ p) d4 u. Q6 y - " B8 o- p; n& z" @
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) p1 X/ e7 x9 T& R( o! p+ @
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( G7 k3 o1 q6 @. Z
- printf("Input MAC error\n");
4 F6 c" Y/ |. M - return 1;8 D2 \+ g! q: U" K# Z
- }7 e' r9 ^- o( V3 W
- for (i=0; i<6; i++)mac[i] = macs[i];
! @# L& X6 C! t. G# R6 q: c - printf("\nPlease input new STBID: ");. d: y9 h, A% D/ u9 E, ]* t& p
- scanf("%s", stbid);5 p) L- x$ a. C& i9 [: c. T
- if (strlen(stbid) != 18) {
+ p' a1 K& l$ \$ Z* H8 L - printf("Invalid stbid\n");
1 t# t3 u9 R* W+ h8 I. l& \5 @ - return 1;1 V; s2 P+ L Q8 E8 j
- }
, A- G7 N5 V& h, M/ x- a. W - printf("\nNew parameters: \n");
8 j( v- [8 ]( S2 Z2 f - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
X) }: H; V# \; s* K; G - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");$ w% R Y- s3 I4 H. G
- for (;;) {
( M% @6 _( D; x5 n; p9 P3 u+ l - c = getchar();3 T3 Z j. P @' d2 U% s
- if (c == 'y' || c == 'Y')0 @, Y! O4 q; |: f# Y: k$ ]/ ^5 S
- break;% c Z: j4 `5 ~# F
- if (c == 'n' || c == 'N') {2 S- O' q! N# i/ \- X$ E6 e
- printf("\nAborted.\n");
* E* W' m5 e! W7 ?5 x5 e - return 1;$ U# E: U$ h" w( g3 P8 }/ ^
- }
& U4 [' z2 y' |) [7 S/ e - }6 s. j$ h* U* R( E
- if (writeparam(mac, stbid) == 0)
7 Y5 m" G- E* s' z. U- z2 p; @ - printf("Parameters changed.\n");
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- return 0;) ?2 F6 J# e/ H
- }
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