本帖最后由 0522 于 2012-3-21 23:04 编辑 - |# j5 w# f9 c
1 y4 h5 ^( x7 I' R修改的代码早有了。到今天不会编译。
X) m) a) m! r/ Z1 p需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 V( Z- [: O2 d7 C7 ~& e
- #include <malloc.h>
1 ^& x! g! h' k p - #include <sys/types.h>+ {4 ?# _ }7 Y$ A7 C3 |
- #include <sys/stat.h>9 G% I1 E3 Z, N$ l- P7 e- u+ V% K1 Y
- #include <sys/ioctl.h>- A" p- S$ U* L' @
- #include <stdio.h>8 X* w& }" y. K( d1 R8 k) I
- #include <string.h>
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- typedef struct {' a; e% b+ L2 G5 u& Y) X w
- unsigned int e2prom_cmd_sub_addr;4 P: Q6 m( \3 m7 {. w/ X
- unsigned int sub_addr_count;1 ?" i# P; i3 P) a
- unsigned char* e2prom_cmd_data;
5 ~+ Q; C, G' U0 [ - unsigned int data_count;
& Y7 j1 p+ l( m( g5 | - } e2prom_s_cmd;
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* I; | T. d2 f' \, Z- #define E2PROM_CMD_READ 1; J$ M2 w$ t" y
- #define E2PROM_CMD_WRITE 2
: `8 B' U/ E0 F% q: h5 I: Q* Y5 j - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ L4 K2 o8 e1 h4 l# W: j7 G
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- static int readparam(unsigned char *mac, unsigned char *stbid)
1 m: l8 S4 Q! v - {
9 L) W$ F; d7 D2 U# s - int fd, ret;* G$ C5 {) U/ U+ d4 b
- e2prom_s_cmd arg;
) N! z6 `& e% o: | - unsigned char buf[0x18];
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$ \! `" [# G" G- fd = open(E2PROM_DEVICE, O_RDWR);" s, z0 }: M9 @$ c' A
- if (fd < 0) {' z |+ B5 x9 y0 I! n
- printf("Device %s open error.\n", E2PROM_DEVICE);
' W) @1 B+ h/ N, ?8 _8 Y - return -1;
) @/ Z2 E$ }- N- L3 z - }
7 Q7 P. E- A$ f* D - arg.sub_addr_count = 2;
) m& R1 M7 l8 G4 n - arg.data_count = 0x18;
1 o* i7 u3 G* a, b& r - arg.e2prom_cmd_sub_addr = 0x290;" K$ S7 A: N, e
- arg.e2prom_cmd_data = buf;
2 x" Z4 [/ k" [3 S% P - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' I2 g# b9 q, O5 F5 s2 s9 m( Q - if (ret != 0) {, j( I @# F6 q3 L) K$ \2 z* n
- printf("Device %s read error.\n", E2PROM_DEVICE);
/ y3 }/ X. ]4 a. n - return -1;% I# A9 s; O+ K2 L
- }
" Y0 k% t) C0 f3 g1 j - memcpy(mac, buf, 6);
8 i% y3 m7 }; N4 O! W t# v - memcpy(stbid, &buf[6], 18);
8 k" V- { z0 K - stbid[18] = '\0';
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3 }0 v# s7 T; J7 u3 d6 M- return 0;. Z2 x+ Y' t+ |; r9 l' Y6 u
- }
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% A+ h: W4 R9 G7 v% g- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 q% v( G/ I2 Y3 ~ - {
' r% ]. j/ l# U8 _ - int fd, ret;
+ N* m3 e& |6 h$ C K4 d - e2prom_s_cmd arg;2 ~& } x) V: p
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
% j3 b$ f( q A# l - memcpy(&buf[6], stbid, 18);: @9 z9 f [) v7 k$ `1 j4 n, S P
- fd = open(E2PROM_DEVICE, O_RDWR);# f* A9 v" Z: z" F9 T# r; [
- if (fd < 0) {
4 F; [' e3 o! P8 }+ u l - printf("Device %s open error.\n", E2PROM_DEVICE);5 T" S& g7 m+ Y1 `& b; a: z
- return -1;5 v; T( H' m/ R' p. c; K- x/ ^
- }" s. V W3 m' W& N9 l: h& T
- arg.sub_addr_count = 2;
! A ~$ Z: x7 H, j f - arg.data_count = 0x18;
: c, G: z0 A) D, k$ o( D; b# i; Y - arg.e2prom_cmd_sub_addr = 0x290;
" Z9 I9 V, s$ U3 ]( I) n5 X+ Q - arg.e2prom_cmd_data = buf;; |- o0 G* W) b4 H; C8 } p) \/ O
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ Q" K9 l6 a( i- Q% Y - if (ret != 0) {: b9 e' i0 x: x5 s1 R3 n
- printf("Device %s write error.\n", E2PROM_DEVICE);2 ]: h- R" T% H$ y: h# y
- return -1;1 Y9 j3 C% s( u, O3 }' X, f# @8 t
- }! Z2 x, Y) L9 m2 g. z t
# ]3 U4 Z, x+ h. g6 |) P; X- return 0;
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- int main()7 ?% O$ ~1 @. a V. q. Q0 [$ z
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- char c;- g; u/ e( l( U( y8 r" u+ Q8 y
- int i, macs[6];
& r& g. A( E' R4 h6 \3 q& U - unsigned char mac[6];6 z7 |' J+ x( I* p$ O$ r4 V9 E
- unsigned char stbid[256];; z. D8 q. ]3 _. n
- 1 Q& {: E4 R1 ]( a$ K9 N* K
- if (readparam(mac, stbid) < 0)$ A }, h$ N) ^( y7 U! _
- return 1;
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9 ^# O6 v3 K/ f9 s% G- printf("Current parameters: \n");6 O6 V; T3 B/ X9 d. L
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' k7 c! y3 B# @3 X ^ - printf(" STBID: %s\n", stbid);- O# S" O3 y, e. o- I
-
8 @+ |1 ]3 x9 p5 Q - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' V: s5 x; S8 w$ C
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {0 m: I! o. d: o% p
- printf("Input MAC error\n");3 Q0 P* ]& j1 J+ g1 g0 c5 Z
- return 1;
8 B' i, M3 H2 E/ F9 B - }
" ]1 E, Q1 D% x( _* b* i e( ~ - for (i=0; i<6; i++)mac[i] = macs[i];
0 K* B5 J( M" F8 L - printf("\nPlease input new STBID: ");
4 l. m% g% j; b, v( D! I3 V - scanf("%s", stbid);
; E* R- L5 F0 C p+ X - if (strlen(stbid) != 18) {7 E0 Z% _8 G0 E2 Z9 D4 n6 Q& {! a
- printf("Invalid stbid\n");, ?9 u* z C! x8 _. Z$ c$ \
- return 1;1 H+ x d5 o, l4 c8 _8 d
- }9 B$ K+ I; V* ?+ W$ e- f( m
- printf("\nNew parameters: \n");
+ F% S; i; n: t; _: C; Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 B/ t3 ^: n( g: x3 B% i - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");2 @: s( k, \: M
- for (;;) {
% K& {( b5 {( s - c = getchar();
/ I1 n) z7 ?' B* _+ |9 c - if (c == 'y' || c == 'Y')
1 m4 q2 ~# c2 Z! c - break;
7 P9 h& h) p% s; Y - if (c == 'n' || c == 'N') {
/ _; E+ b% ^: r) Y - printf("\nAborted.\n");* M+ [8 r1 M& m& i0 D Z. C p2 r
- return 1;3 w: V: _5 v# {( z( D' d' l, Y
- }
9 d( ]* r" W. r: j' V+ Q - }
6 B. A& H% j i8 p* W - if (writeparam(mac, stbid) == 0)
) d4 p. D2 N4 J, g/ X - printf("Parameters changed.\n");' R; a) ^& L7 v% G
`; n) E* ?; ?/ Z" }2 K- return 0;
6 d9 F8 J: a t5 _: `# r: I - }
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