本帖最后由 0522 于 2012-3-21 23:04 编辑 ; |' u* V: R: R; N! N
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修改的代码早有了。到今天不会编译。
4 p/ ]7 Z+ h5 w5 V x8 V需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) l6 P$ }0 }9 k Z- }
- #include <malloc.h>6 l$ t2 [& M r5 i7 j% e3 G
- #include <sys/types.h>
# D: {& E9 g; ?/ c - #include <sys/stat.h>! H5 p! F% ^: P, N
- #include <sys/ioctl.h>5 [. G6 n* z+ h& C
- #include <stdio.h>
9 n0 u$ T* q% G' L9 c- W - #include <string.h>
4 a+ [( ~. C1 d) |( d
9 Y3 g; @: K7 ?- typedef struct {1 |% a# R( E2 A5 n: e ?
- unsigned int e2prom_cmd_sub_addr;; `+ O. J, n/ W% M* i# y" K
- unsigned int sub_addr_count;
& z1 e/ o- l. {! {/ g8 D - unsigned char* e2prom_cmd_data; p+ A4 U& X" V
- unsigned int data_count;
% {1 U- m: c7 b6 J, p" a5 Q5 G - } e2prom_s_cmd;
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8 j8 W% J0 I$ x5 v- #define E2PROM_CMD_READ 1
% h) K& u& t, O9 A B* z - #define E2PROM_CMD_WRITE 2
/ R0 f7 O1 b2 L$ u6 q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"7 z8 S9 o" Y0 ^ Y( K- n& v; J, A3 l
- # K q. ]4 _8 G y4 S+ S
- static int readparam(unsigned char *mac, unsigned char *stbid)$ o/ e( y* U. U% Z2 K5 u
- {
; n) S( [' A$ I1 I3 F2 y- j+ V - int fd, ret;
! d6 h. a' r! r - e2prom_s_cmd arg;
; D( F2 X4 L* _* ]( V: ^) } v - unsigned char buf[0x18];
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* C$ Y7 b$ ]8 F% [% _! H- fd = open(E2PROM_DEVICE, O_RDWR);. t, j- z; i* h5 v! d5 h) b) }
- if (fd < 0) {
3 g5 t+ O: `9 h! M6 c - printf("Device %s open error.\n", E2PROM_DEVICE);
& e4 v X B. e0 ^& B$ F - return -1;
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- arg.sub_addr_count = 2;2 S5 A/ T) t9 p; t# I
- arg.data_count = 0x18;3 t: N l. B( I$ v! k
- arg.e2prom_cmd_sub_addr = 0x290;
8 A8 o2 C5 Y5 r - arg.e2prom_cmd_data = buf;9 l, o7 z% k# |
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
: q5 m$ L/ p! c+ c - if (ret != 0) {
3 G& |! X* O0 X" y' E& i- ?/ { - printf("Device %s read error.\n", E2PROM_DEVICE);; {" A4 @5 _' n1 n4 R
- return -1;
# f3 j7 [, [% D+ _+ [ - }
* d( Z% @& o/ ^4 e# h2 i - memcpy(mac, buf, 6);' I4 L' I7 A* F; t# E8 P9 s# T
- memcpy(stbid, &buf[6], 18);
1 b( d9 J, N% S7 W2 M" a6 Z2 h - stbid[18] = '\0';7 w4 p" w+ G# c, R. E/ O
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- return 0;. |/ k* N/ R: ?1 y
- }5 v$ O' u/ G$ \- R/ W8 K0 J3 ^- y
+ c4 j# `0 K' M/ H- static int writeparam(unsigned char *mac, unsigned char *stbid)" T' \8 p$ q, A4 h8 s! C
- {
: [$ q& T& ^: i2 G$ X; P4 y I - int fd, ret;
4 N* w- D0 s" q6 h - e2prom_s_cmd arg;" B) z7 p3 R# \7 \# ]0 k2 g4 c
- unsigned char buf[0x18];
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* O' A: q& P2 f* c- memcpy(buf, mac, 6);
* `( G9 d0 O P0 Y& i - memcpy(&buf[6], stbid, 18);8 A% m3 V- ?0 s* q8 |8 n
- fd = open(E2PROM_DEVICE, O_RDWR);& c2 m( w+ \' A/ f4 a
- if (fd < 0) {3 @- b5 s; v/ ~: n; ~4 o
- printf("Device %s open error.\n", E2PROM_DEVICE);0 c1 e7 d& i) v6 o
- return -1;/ B) B! I1 g# g, q
- }1 {! ~, d# U7 Q; d; `% {
- arg.sub_addr_count = 2;" W4 g) ]7 A; Z! b
- arg.data_count = 0x18;
7 Z% S: Q1 I: y# {9 U- F - arg.e2prom_cmd_sub_addr = 0x290;
8 F! E; g! G3 @5 J7 s - arg.e2prom_cmd_data = buf;2 o* q7 x( u) }: U5 J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 Q- E: m1 ?0 t1 I/ y7 I
- if (ret != 0) {
/ D1 I* r3 ?$ Q0 g* t - printf("Device %s write error.\n", E2PROM_DEVICE);' A1 }& g+ B; }# m
- return -1;* }$ `/ F) G: Q0 W, H
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- return 0;' p- L2 N; ]% |, L
- }
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- int main()
/ k. g, e* K) A. v - {
% |" ?/ L- X4 h% m7 K5 g4 j" H# O - char c;" x; {( v# b: A K1 H
- int i, macs[6];
3 R# i/ W: C9 V% `9 B% Q6 L - unsigned char mac[6];
' `3 r% T& S0 E3 x - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)/ M& d* d. a" X9 Z
- return 1;
1 \; N$ a" @, T/ ~% n# c) u
N( J! z, `2 d& a9 t2 G: I- printf("Current parameters: \n");
. k& g- }& p X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
1 j) Z* ?. @3 X - printf(" STBID: %s\n", stbid);
9 C5 p& t1 K/ P- T) i7 s -
# c4 l6 n* E6 }5 c - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; R$ f* C: ?% Y% i# X
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ L; A; H* v3 D2 ? - printf("Input MAC error\n");
9 a( e7 e) Z( I: i K" a' O. E - return 1;% `0 u) h6 L# o
- }: r6 ?6 ^2 u3 }9 j2 e l/ j
- for (i=0; i<6; i++)mac[i] = macs[i];
0 F I# |' {' H" r; b - printf("\nPlease input new STBID: ");
$ _5 _" C% A( J/ [& B' D* e - scanf("%s", stbid);( L/ z2 w0 Z$ u6 C
- if (strlen(stbid) != 18) {
" h9 D( \, K" ^& u - printf("Invalid stbid\n");% C% q$ ?/ L# C$ G! E% A& q
- return 1;2 b/ C8 O; s' c
- }
- D1 M" n3 z7 d4 z& P% o. w" ^ - printf("\nNew parameters: \n");: t, ~# u; ]* k2 g9 n
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 n# ]" d' u' o8 T% r8 p/ R - printf(" STBID: %s\n", stbid);- t; T- J% g+ H# U3 w7 D
6 R" ~" e) a5 _4 ~1 P, W( ]. Y- printf("\nDo you want to change paramemters? (y/N) ");& v% U# h4 J- P% W' v
- for (;;) {
/ _) k, P2 X' X K - c = getchar();
$ c" H! A2 ?& x - if (c == 'y' || c == 'Y')
6 S C5 }* q4 s8 q' t! z3 D/ w - break;* v' V; o; z j4 G1 `# E9 j
- if (c == 'n' || c == 'N') {
+ r/ T/ ]2 S4 R$ G. s$ p# Q - printf("\nAborted.\n");/ x. ?; n9 i% l4 Z* K) B
- return 1;
" t- k5 _# }2 j7 j1 o. h% R' l3 Z - }9 m: u/ u2 M* T
- }
1 u% r8 k I7 f* e5 t. K6 T - if (writeparam(mac, stbid) == 0) ) `+ b2 o2 O& ]7 O" ~
- printf("Parameters changed.\n");
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- return 0;9 B# u' s' S8 z. s1 h
- }
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