本帖最后由 0522 于 2012-3-21 23:04 编辑 5 {# h+ U" N' r( B
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修改的代码早有了。到今天不会编译。5 G+ x, c' F& O9 o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>) t( ?. q* \; a5 R( k# Q
- #include <malloc.h>/ t0 i2 _5 A: O
- #include <sys/types.h>
- ? C5 ]) C3 Y" c - #include <sys/stat.h>
% W" }/ t5 F6 _, ~9 q - #include <sys/ioctl.h>
: X& Z8 B7 g* v$ U5 \ - #include <stdio.h>
3 z- E" _1 R- G+ ?/ J - #include <string.h>1 ?' C H# _/ B, m3 S
- % E8 Y7 ^" b, m: U/ ]4 g
- typedef struct {
- B. E) y2 b2 I - unsigned int e2prom_cmd_sub_addr;7 [+ H8 e" [: D4 u- a z
- unsigned int sub_addr_count;
4 A3 U. d3 w( b9 S* } - unsigned char* e2prom_cmd_data;
x3 j8 k. Y5 [' Y - unsigned int data_count;
7 k) c8 j+ U- l+ B - } e2prom_s_cmd;) o E: l% @5 B8 ?2 F
' L# C& [5 h3 x7 R. `- #define E2PROM_CMD_READ 1
0 [/ ^# R% d. P5 U - #define E2PROM_CMD_WRITE 23 y# J0 N4 j: X6 f
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
: E- W8 U6 D" M2 u5 e. C - {
6 ?# t) }6 e% S* k6 Z% H. d - int fd, ret;
$ k. o. k3 d ?' R - e2prom_s_cmd arg;/ Z; p F' O5 t& T6 \. n
- unsigned char buf[0x18];9 a& W6 }; z2 Q) h
7 U) h! d2 E, p4 o0 B- fd = open(E2PROM_DEVICE, O_RDWR);- {$ g5 G$ p& g' |
- if (fd < 0) {9 T' H7 A( N4 ]' v, ]0 r) S) C9 C9 c
- printf("Device %s open error.\n", E2PROM_DEVICE);
% t) f; H; H( y( g1 X: i( D - return -1;
! L/ T! \8 B1 R7 p* G) l/ B - }
3 W, P3 K0 ~2 n n - arg.sub_addr_count = 2;
. A/ h6 Y) p; {, z3 S - arg.data_count = 0x18;' ^8 O' h4 H8 }$ |! T4 h7 s; A f
- arg.e2prom_cmd_sub_addr = 0x290;) o7 g/ w; H5 M5 G
- arg.e2prom_cmd_data = buf;6 t) r7 T$ N% O; h2 h
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 e/ r, o3 C2 n* w* }9 B - if (ret != 0) {
( j8 w# F9 \& O1 D! ? - printf("Device %s read error.\n", E2PROM_DEVICE);
" u- w3 K: N7 l& |0 [- \( c - return -1;
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- memcpy(mac, buf, 6);
% x8 e' ?+ D' z; O9 j) A$ a - memcpy(stbid, &buf[6], 18);* v$ h7 y$ I8 }: W9 F- ^( ]1 q- _
- stbid[18] = '\0';& Z. w. N: f% ^+ W5 X/ P F
0 K5 Q$ v* {) M" _3 Q- return 0;' @/ _3 [/ f- w' K/ f
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 k0 ~1 \ e' Q2 T3 N - {
, {- M" l Y" g - int fd, ret;
/ ~' k4 z' A& L# p5 @ - e2prom_s_cmd arg;' l0 v( v3 H6 ^# T7 v
- unsigned char buf[0x18];4 u; B1 @( z+ B8 V& h* m5 x
' m' {& [( g7 G7 G- h: \' ^9 |- memcpy(buf, mac, 6);
$ Q0 U8 m G( O( g$ w0 q) @ - memcpy(&buf[6], stbid, 18);3 ^6 E* u5 R% x4 M1 D( A
- fd = open(E2PROM_DEVICE, O_RDWR);
" H, l, T6 }7 L - if (fd < 0) {% V$ l4 Q6 m" m$ O6 W
- printf("Device %s open error.\n", E2PROM_DEVICE);' J/ m7 m+ F; Z8 j0 ~5 h/ [4 w
- return -1;
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- arg.sub_addr_count = 2;: Q; ^/ S% S' c, |2 @! G4 |
- arg.data_count = 0x18;$ [$ \1 u, ~' J0 p% H A
- arg.e2prom_cmd_sub_addr = 0x290;
# {2 t1 }$ J+ O( F. D1 a - arg.e2prom_cmd_data = buf;5 i# {8 Z& Z4 ^# W
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 W6 ?2 b: \9 {7 z" G
- if (ret != 0) {' v# P, u- v7 m% U! @) Z' Q$ e
- printf("Device %s write error.\n", E2PROM_DEVICE);, C1 G6 k0 L0 L9 L
- return -1;
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- # {& F9 Y( j# e6 |5 o- U4 S* \
- return 0;
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- d9 n8 K& h) ~! L l- int main()
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- char c;# u7 D& w* Z5 L6 \
- int i, macs[6];! ~' \2 ~& i" m; E* N# `
- unsigned char mac[6];: E+ v; W! {) i# l4 r) S- J: C) y S
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
6 _2 _- c# l C7 k - return 1;
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, Z: y3 L% Q& d! \- printf("Current parameters: \n");
: J( Y2 R3 v6 m0 w. G/ R m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);; r4 C3 d* Q1 a$ D* ]
- printf(" STBID: %s\n", stbid);1 C6 a9 N1 { p) \
- 9 c5 S' d0 a& Z' n% o' e
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
. }; V0 ]3 S3 F8 V+ J. a - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 `! C* p6 h3 Q& s2 C$ q - printf("Input MAC error\n");$ v) T, w- q' m. s/ i
- return 1;) }9 X! s) r, T
- }$ W2 T. C; E# U( t1 n
- for (i=0; i<6; i++)mac[i] = macs[i];
2 k1 O- ~# N: l' T, u - printf("\nPlease input new STBID: ");! y; Q9 X( d+ b& q' s: Q
- scanf("%s", stbid);
' H6 f. |1 {1 r6 y" i7 q8 A - if (strlen(stbid) != 18) {
x4 z+ T& s' C: r/ A - printf("Invalid stbid\n");
* z( @3 d3 e; y% t9 ~& q7 K4 J7 { - return 1;7 r- b; O% C g# |+ O
- }9 W" I4 T$ L5 d2 O7 x- a# I$ V
- printf("\nNew parameters: \n");
) _* M/ c8 D4 o: ]1 n7 | - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# k0 K0 d/ @% F) m& s8 {2 C2 I; s9 w - printf(" STBID: %s\n", stbid);3 @7 t+ W0 N% z, l; p
- ; l0 R/ q1 A% I0 T. N M! u5 u# x
- printf("\nDo you want to change paramemters? (y/N) ");. H% c3 k$ j; w0 g
- for (;;) {) r0 t" D( ?) w. Z
- c = getchar();' s1 ^3 H, X: e+ M
- if (c == 'y' || c == 'Y')
6 b% o2 ^" [4 ]# C& h" n p& A2 v - break;4 ~* @" ]2 O+ j: v9 n
- if (c == 'n' || c == 'N') {2 [3 n& c' U) z0 G& k+ W' j
- printf("\nAborted.\n");
2 d3 y) Z2 L1 h! H - return 1;
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- }
4 r0 c/ \ H+ X - if (writeparam(mac, stbid) == 0) . h p/ E: b7 w7 ?/ P
- printf("Parameters changed.\n");
7 n$ j* b. a1 {
) [* ~: V; I; o2 `& H6 o$ F$ ?- return 0;- c0 |! Q! u+ ~, u
- }
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