本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
7 ^0 k% t, b. |* N' Y" t0 N8 ], W5 E需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 H: H5 J) ~3 a1 X9 s+ e
- #include <malloc.h>: E5 @7 i, P6 m% c3 M' D
- #include <sys/types.h>$ E5 N" x" {; p, H% @
- #include <sys/stat.h> @. G- z# N; n. p7 F2 @, K7 R. o
- #include <sys/ioctl.h>3 B6 A: X' e( I9 i9 Q
- #include <stdio.h>7 H9 ]' A3 o5 z7 @0 u& S: B* }& U
- #include <string.h>
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- typedef struct {2 ~; M0 [. w5 X/ h( i; `8 n" L
- unsigned int e2prom_cmd_sub_addr;
: ^: v0 @5 T, y9 V6 @7 b - unsigned int sub_addr_count;
! n2 k- n8 O0 x$ V - unsigned char* e2prom_cmd_data;" ?3 {8 y8 `: f; P; A
- unsigned int data_count;
$ G2 J z7 c- ~. R" K% r - } e2prom_s_cmd;* n, `% `% d' L0 P
3 {6 A; E! x. U# E$ E- #define E2PROM_CMD_READ 1" s& A4 \: M, u$ r' C; i
- #define E2PROM_CMD_WRITE 2
& |; J/ s" @$ e- `4 Z* b - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"8 b) n8 _( u% Y( V- \6 j3 n
8 L" M0 h% r, z$ i- static int readparam(unsigned char *mac, unsigned char *stbid)- @4 b' v! N. ]1 ~2 _* P
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- int fd, ret;% c V. }4 I N) g, K5 E& v
- e2prom_s_cmd arg;7 G- s4 T9 F" S0 ]1 x6 O% F2 s
- unsigned char buf[0x18];' N& M8 P* Y$ _8 |' G
4 {3 d7 U; O0 N: x1 l3 O, @ ]5 Y: y; I4 r- fd = open(E2PROM_DEVICE, O_RDWR);
: ]; f( p( d2 d* V - if (fd < 0) {
0 k% E/ j$ @" Z% p2 n - printf("Device %s open error.\n", E2PROM_DEVICE);
$ h% G0 m5 h+ p8 ^+ H - return -1;9 K5 I0 \1 l& Z' S6 r, @$ g. x
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- arg.sub_addr_count = 2;
) ]; r9 B9 z) a* M; K - arg.data_count = 0x18;
+ O. n" \5 u2 S) t- y7 ~. x- W. @. R - arg.e2prom_cmd_sub_addr = 0x290;2 d+ X1 X6 V, }2 ]; {5 I& X% j7 |
- arg.e2prom_cmd_data = buf;4 z* _, J# y8 e: s
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
6 Q8 ~1 y% {, y3 }* Q - if (ret != 0) {- c2 r3 Q# @) t9 G3 `/ }1 T
- printf("Device %s read error.\n", E2PROM_DEVICE);
. j$ }3 a7 V1 r - return -1;
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- memcpy(mac, buf, 6);
4 ]' Z b- t+ q0 G - memcpy(stbid, &buf[6], 18);
/ _2 h( u8 v' Z& i! a - stbid[18] = '\0';' w7 j) r& @. W5 b- C9 {/ P' J' f
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- return 0;/ l% L O# t: b8 i# q, v1 v
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- static int writeparam(unsigned char *mac, unsigned char *stbid)) ~$ S0 F X' Z- y6 d2 T
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- int fd, ret;) \# {4 a/ o- F; @; f1 A
- e2prom_s_cmd arg;
; D9 n" _2 B/ }* U5 M2 a/ K% x: O - unsigned char buf[0x18];
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( |# _! N2 G5 S/ |* I- memcpy(buf, mac, 6);
1 g; a5 C9 ?4 J/ O - memcpy(&buf[6], stbid, 18);
8 d& U$ n8 f5 I$ ]7 G9 C4 g; e - fd = open(E2PROM_DEVICE, O_RDWR);
* a2 T4 ^( W# Q' B/ j6 O; d: x2 F# T - if (fd < 0) {9 q1 D# \$ S9 U: T0 a9 ~
- printf("Device %s open error.\n", E2PROM_DEVICE);
, A8 O" k# k N/ c& A - return -1;
2 d- w# z4 A3 ~; V$ D& r - }
) v c7 ]( O+ ?0 l - arg.sub_addr_count = 2;! ~" F1 B4 @6 {3 @' ]
- arg.data_count = 0x18;
) n0 M. R5 w; ]- S- j- E7 _( r6 R% u - arg.e2prom_cmd_sub_addr = 0x290;( Z9 j! v5 \& `3 I" _' R
- arg.e2prom_cmd_data = buf;
" B$ |/ G, o- F- J - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
5 h7 ?/ d# a; S - if (ret != 0) {
) [/ s- F. e* {. u$ ^9 Y - printf("Device %s write error.\n", E2PROM_DEVICE);
1 g( N) h# [& h/ w - return -1;
/ X7 w7 }! K o9 t3 G) L) E - }
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- return 0;
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- 5 o8 {8 m) y: V2 R) q- B+ s1 \
- int main()
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- char c;
9 C% f2 {* g6 b4 F4 v$ ? - int i, macs[6];7 N+ w) A4 I: h' X
- unsigned char mac[6];( {! K+ I. a) f
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)" i& i# O5 O1 ~1 H! m
- return 1;
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- printf("Current parameters: \n");
) F! h/ J4 X* v: p! j - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; U5 s. g9 F- S) N$ @+ n: ^6 r* } - printf(" STBID: %s\n", stbid);" f' s* B* ?5 m% x7 b8 r0 L, c: }
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' p" k: _/ l) w& T5 f0 j) @
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ [" C: b# V8 E/ J2 z5 D
- printf("Input MAC error\n");
) T4 D0 q- t5 |+ L' R* q - return 1;+ y- H3 I, n6 ^: L& T
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- for (i=0; i<6; i++)mac[i] = macs[i];
: |! d$ Q0 @9 N$ C9 I/ Q - printf("\nPlease input new STBID: ");+ t: g; T- A/ s& i( z2 |
- scanf("%s", stbid);
& V4 F3 `/ m/ x% F9 w( j* K% b; [! ^ - if (strlen(stbid) != 18) {$ @% S% x2 Z5 r
- printf("Invalid stbid\n");
: B" z. K- R1 t% |3 N - return 1;# w6 v( e# e. B% d4 m6 n
- }# \* z! ~' u7 S% F1 V& P
- printf("\nNew parameters: \n");
: M1 G1 Q2 e5 N+ {8 x - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# c& P; [% h+ h% y, A5 ]7 P, r - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
% ]% C, l; a; V - for (;;) {
) l" p" {8 D3 E* g8 q8 W/ V - c = getchar();
" I7 j( K S1 B8 b/ D ]8 h - if (c == 'y' || c == 'Y')
4 W e) V; H0 B& J4 D- Q) } - break;9 `0 O6 F) Q! W$ y
- if (c == 'n' || c == 'N') {
& j- ^, [7 n/ a; o, f - printf("\nAborted.\n");3 z* j- f1 B' d+ E- ]6 h' e% u# e3 P
- return 1;
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- if (writeparam(mac, stbid) == 0)
: o6 y0 P7 W0 ^, U7 t0 W, d8 B - printf("Parameters changed.\n");
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7 i+ u0 J$ [) M; ^) k4 J2 a- return 0;
5 \2 |" O9 _% E: c& g - }
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