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。; J0 g# n, ^! {0 r$ g# i
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 m* U2 e+ N8 f T - #include <malloc.h>
. z2 q, Z- Y) H% |9 f3 H - #include <sys/types.h>
6 T) k* t( D- f; \ - #include <sys/stat.h>
3 Y* A- @4 }1 k# } - #include <sys/ioctl.h>: o* D3 s# |0 K1 `) y% N3 }& o" x2 B
- #include <stdio.h>% d6 O8 \4 R T3 i6 g
- #include <string.h>
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( D$ q5 w9 v! O" d# `- typedef struct {
/ `. I9 w0 j2 u - unsigned int e2prom_cmd_sub_addr;
. j% @( }. H$ A: S" d - unsigned int sub_addr_count;* }( C! V/ O$ ^: n# t2 k: g
- unsigned char* e2prom_cmd_data;6 o1 `# H- Q' \
- unsigned int data_count;" n9 W& a, U* ~+ B, ?
- } e2prom_s_cmd;
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4 j* I! N; M# K& U- #define E2PROM_CMD_READ 15 v) Z6 k# v( l
- #define E2PROM_CMD_WRITE 2
- H. |/ G7 C1 Q3 D( m5 I - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- R0 b5 ^$ M: K* B
- ' { n) E2 x0 T- t# | ^; Y
- static int readparam(unsigned char *mac, unsigned char *stbid)& \/ R9 V# w! b* q6 T/ W4 N$ R$ a
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- int fd, ret;) Y1 t1 ?: r7 @# }4 \' N
- e2prom_s_cmd arg;2 ~; a, s! A- @( K% J( u5 |
- unsigned char buf[0x18];) ~$ E! V2 A$ t! m: M
( y4 F( O6 c# G, `# a ?- fd = open(E2PROM_DEVICE, O_RDWR);# u \) y, k$ E
- if (fd < 0) {) L% C) \+ k+ D }
- printf("Device %s open error.\n", E2PROM_DEVICE);
& B' r- I2 K- `. G$ W - return -1;
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- arg.sub_addr_count = 2;2 t; t ?$ R8 t# y
- arg.data_count = 0x18;9 \" l6 P# g- v& ]
- arg.e2prom_cmd_sub_addr = 0x290;
2 N' N2 m8 I0 o4 a - arg.e2prom_cmd_data = buf;# u4 L4 _& `; b3 A* s) F ~
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 q4 d# m+ E/ V1 Y& l4 }( I9 `
- if (ret != 0) {8 ~# j" @# N, Q2 B- @! ?; K- ?$ P9 L1 y
- printf("Device %s read error.\n", E2PROM_DEVICE);
3 q2 ^. R& M4 i' ] - return -1;
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- memcpy(mac, buf, 6);5 A& w" p- F6 R0 q+ Z# w# F# U- q
- memcpy(stbid, &buf[6], 18);
7 z& ^, O' W' r: q$ s - stbid[18] = '\0';
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% U! G! F q6 W0 H. \3 H" D, e- return 0;6 B3 H3 [" K9 |" n
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- static int writeparam(unsigned char *mac, unsigned char *stbid)' E/ S5 d7 h+ ]+ ]
- {
, l7 |1 ^$ N9 t# r - int fd, ret;
, h( n' f( `# P! v, K2 g, F; W - e2prom_s_cmd arg;
8 O h( a$ Q8 f1 v6 d% k - unsigned char buf[0x18];3 X4 \8 ^5 d8 E
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- memcpy(buf, mac, 6); Z! i2 v5 w5 P: A" k
- memcpy(&buf[6], stbid, 18);
) n: o/ `) i5 k% s- @1 Z, Z - fd = open(E2PROM_DEVICE, O_RDWR);
5 p, F' T& D: M1 ^ - if (fd < 0) {. z& F% G, X2 g0 G6 Y$ F
- printf("Device %s open error.\n", E2PROM_DEVICE);
* |$ ^, X# B5 `' J( f& e - return -1;8 b# ]$ v( B# [- Q1 }' [5 Q7 e
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- arg.sub_addr_count = 2;
+ m! E. D2 }1 E# {/ Y2 ~) m: q - arg.data_count = 0x18;- l9 ~1 T9 y9 E2 R3 |9 V$ ]% N
- arg.e2prom_cmd_sub_addr = 0x290;* Q8 v/ A& o; J" \6 c5 u( {/ u6 L
- arg.e2prom_cmd_data = buf;
% ?( s0 f; A4 x - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 f( v- e# B8 G! Y# }( ^$ G3 @
- if (ret != 0) {! H/ w/ s6 y6 T- d! s( U
- printf("Device %s write error.\n", E2PROM_DEVICE);
, W! g! `0 Q+ A, @9 h - return -1;
& _8 w; s6 q7 A2 B# O - }
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- return 0;* }+ T. w" k1 ?
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- int main()8 x. L2 u2 W5 w! ]) y; Q/ o2 w
- {
( t/ u+ i ?& h& t- |, o5 W# K - char c;
. H4 t Y+ [8 A, K9 i - int i, macs[6];- y( q. P- s1 D
- unsigned char mac[6];
7 z9 V3 D2 d& [1 g) V; X# q# v - unsigned char stbid[256];# C0 y, k- ]6 l, [9 R/ ?
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- if (readparam(mac, stbid) < 0)7 P% K b1 X; W/ C) u' n
- return 1;
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! d" R5 W) |) A* E6 J# T4 j- printf("Current parameters: \n");+ Z1 x! h$ P, z3 Q, W! P
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' R+ f# H6 }4 Z - printf(" STBID: %s\n", stbid);# e& X5 U1 N# L2 T
- ! f' o/ ]( O3 l) X
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");. Q' `8 K5 w( n8 t7 h, h ]
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( [. |. Z" k) B* v. F! x- k - printf("Input MAC error\n");
! C6 Y( q8 p6 o& q1 P - return 1;
) K9 i7 {1 A+ j3 R - }
! w6 s" o% ~3 e/ E% A7 F9 t - for (i=0; i<6; i++)mac[i] = macs[i];: ]$ T! ?* ]+ p( L, z2 ?6 r
- printf("\nPlease input new STBID: ");2 \& a4 n% |% c# f% G2 w* i
- scanf("%s", stbid);
. {0 ?9 u9 X. B3 O5 ?7 n2 F - if (strlen(stbid) != 18) {2 f+ @' L, o* s& a# j0 \8 w. X9 |
- printf("Invalid stbid\n");
$ n4 z. X$ L- v - return 1;
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- printf("\nNew parameters: \n");
1 T s4 f, c& i - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; ]/ @1 g0 s7 M F- ~! l( B V9 q
- printf(" STBID: %s\n", stbid);+ j# f, ~: R: z& ~" T
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- printf("\nDo you want to change paramemters? (y/N) ");4 @7 q2 R5 _. M1 N! h
- for (;;) {* F* F" E4 ~2 e& e+ f7 a* {
- c = getchar();# T- M& Y+ u0 Y, L/ t$ o
- if (c == 'y' || c == 'Y')
9 l- q/ J/ l! t& V! c - break;
) ~ Q6 q& v. G - if (c == 'n' || c == 'N') {
- i$ u7 E q; J! w4 ^ - printf("\nAborted.\n");. U5 z+ p4 O$ K2 K
- return 1;
0 Q( d! F& c5 q! c+ S& | - }
1 W4 q2 L1 ?8 p1 K8 |) C+ l. | - }
2 a" P# t. m/ `- h! B7 F/ N, E j! m - if (writeparam(mac, stbid) == 0) ! G" m: n% e& A2 }8 A- V% U9 A3 a
- printf("Parameters changed.\n");
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- return 0;
: k6 F5 G0 W; t9 f0 h4 Q - }
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