本帖最后由 0522 于 2012-3-21 23:04 编辑 ! P7 @8 Z! H' C1 e3 X% y# a- g% W
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修改的代码早有了。到今天不会编译。- Z+ e9 U$ t$ G
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ E. z% g7 |. J1 @ - #include <malloc.h>
6 W2 S0 W5 N# D9 q8 w' ~ - #include <sys/types.h>
+ ?" M, ]* q# f# G - #include <sys/stat.h>& N5 d6 T, k# w8 v% ?! g8 {5 A f
- #include <sys/ioctl.h>9 o9 _ _" c& l V
- #include <stdio.h>2 K6 {( A7 V+ \$ f) A3 U
- #include <string.h>
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- typedef struct {) A& P- m5 ~5 [2 V4 e4 ?
- unsigned int e2prom_cmd_sub_addr;4 ^, Q2 [. P% L% T+ N
- unsigned int sub_addr_count;( @- v& M- }0 D" U( f/ S
- unsigned char* e2prom_cmd_data;
& o/ b8 S1 r7 V - unsigned int data_count;# ^; G2 ]& B: H- Y% I6 Z
- } e2prom_s_cmd;- d( r, c( t1 \; y- z1 x8 \* F, P- K
7 A7 a" C1 i1 |; @- #define E2PROM_CMD_READ 1% t) [: ?' b! Y, K" i5 p
- #define E2PROM_CMD_WRITE 2
X) @" T, C: A6 C+ h$ h) D- o - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid), G1 Q$ j7 s2 T6 l- `
- {
2 c/ W" U- {" R4 D# E: H - int fd, ret;
! O4 O2 {7 }0 P1 d6 @ - e2prom_s_cmd arg;/ p. k* S9 e5 x" w6 L8 x% q
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);" X6 j+ l- y0 g1 R! k0 g$ p
- if (fd < 0) {
- F* p9 i: W7 c0 e+ I$ _ - printf("Device %s open error.\n", E2PROM_DEVICE);
) l8 U* J, I! E$ d, c& D - return -1;
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- arg.sub_addr_count = 2;; H" y$ a x2 A7 A. D/ u: H; d
- arg.data_count = 0x18;
' b* z) X! x5 l2 t. \! i5 E - arg.e2prom_cmd_sub_addr = 0x290;- s4 f. i/ g! k/ d- P9 H
- arg.e2prom_cmd_data = buf;) a' r" G2 ?+ o ]# n2 D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# N9 x' r: Z8 I9 } - if (ret != 0) {' a. S2 O6 U) p/ g: i, x
- printf("Device %s read error.\n", E2PROM_DEVICE);
9 T7 J# {# Y# a8 t/ F2 ` - return -1;
- N2 `7 |# `9 [+ s: U+ | - }
6 K% v# u! g/ O5 F - memcpy(mac, buf, 6);2 h: s6 A* D J9 E
- memcpy(stbid, &buf[6], 18);6 }- t3 I1 n" ~& W: P* q x }
- stbid[18] = '\0';7 X3 I: [/ y) f& C
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- return 0;! X: \- w6 o/ ?6 `2 j5 z& K1 ^6 Z
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1 H+ p& b$ G5 a" \5 T- static int writeparam(unsigned char *mac, unsigned char *stbid)$ s* F) _5 Y0 x/ H( a5 L5 `$ l8 f
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- int fd, ret;/ n* Z( |/ Q* W1 I
- e2prom_s_cmd arg; \2 a2 I6 r3 L* {9 O
- unsigned char buf[0x18];9 k/ a9 y' p# E+ b+ ~ b8 M
- & }7 y( N5 s4 m1 z+ ^
- memcpy(buf, mac, 6);
1 Q8 b# G' b" G$ U! w1 A - memcpy(&buf[6], stbid, 18);
2 r a9 C& d$ s& [7 u1 Y3 h \ - fd = open(E2PROM_DEVICE, O_RDWR);7 b1 G# {6 r3 R+ O u/ d) _" `, z
- if (fd < 0) {
1 z5 Z# m# m, i% y3 ^. C+ n - printf("Device %s open error.\n", E2PROM_DEVICE);& u& }. [. C/ z9 \# e
- return -1;- r7 H+ }" H1 N, Y$ p* S1 J
- }0 T3 T# i v$ F& n. Q8 b( j
- arg.sub_addr_count = 2;6 W, t) b+ A7 { i+ e$ b) \
- arg.data_count = 0x18;9 O4 F+ P8 J4 w2 |7 D
- arg.e2prom_cmd_sub_addr = 0x290;
$ Z; i7 K* q9 Q/ M - arg.e2prom_cmd_data = buf;
4 n2 ~0 j8 }( V$ V: [ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 l1 _1 r4 ^! x x! t - if (ret != 0) {
. B* e" v1 V6 D" I/ B - printf("Device %s write error.\n", E2PROM_DEVICE);, m7 n* o( D6 t6 k2 Y k
- return -1;2 `5 J# \$ _4 i' `2 v* T4 Z
- }
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- return 0;& H) @: |+ ~& L7 y+ V# O( x) X# E4 s$ \
- }" ]/ {0 k$ [" s* a
# r. _+ P6 [- t- int main()
8 A Y# `( `2 F - {
( E5 W: _4 D' z! U9 P! y. ?' d - char c; u- m8 i% D; [6 L) L, R5 ]
- int i, macs[6];
5 z1 t$ ?; }2 V: d5 ? - unsigned char mac[6];
% p7 @; A& Q$ e- R - unsigned char stbid[256];: B; q1 C0 T6 x% I6 k
- % A5 q8 `' p: D/ e7 v( A: b
- if (readparam(mac, stbid) < 0)& z* N3 {( x: _! }
- return 1;
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$ i- Q$ I8 j; w0 }2 z4 n1 Y" k- printf("Current parameters: \n");
9 ?+ X. [! I4 D" X - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 v: i( l2 r8 F, w' }+ i7 ?' c
- printf(" STBID: %s\n", stbid);: F$ l2 M9 s' {. x/ U: x
-
4 \1 r- g: [# `) { - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 p v" ] n9 k# F7 @& ` - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ l- e2 M7 E- k0 L
- printf("Input MAC error\n");; h2 j1 V1 K, }% j3 t7 o
- return 1;
% A8 g- O: a: Y% I# } - }
) v8 [3 }' r8 T* B+ s$ p5 _& _1 l - for (i=0; i<6; i++)mac[i] = macs[i];
& T4 x% |$ o; Z7 @4 f1 \7 g8 P2 P - printf("\nPlease input new STBID: ");
% j2 I( i( f2 M& I+ I - scanf("%s", stbid);8 u1 g, S- I; u% R
- if (strlen(stbid) != 18) {; d$ h% j' Y3 `, h- |3 g
- printf("Invalid stbid\n");
T$ W% E* l& ~+ Q! p - return 1;6 |0 X" s3 H9 e- [$ E
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- printf("\nNew parameters: \n");7 p7 g1 W# h4 P+ }8 a9 f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);6 b3 X& R. l/ g' d a5 d
- printf(" STBID: %s\n", stbid);+ W: l$ g5 b9 w5 s
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- printf("\nDo you want to change paramemters? (y/N) ");
; A! |% L2 L+ V( ]3 D - for (;;) {+ }* Z ~. u3 _
- c = getchar();2 \/ g8 T5 i5 } j
- if (c == 'y' || c == 'Y')- h F4 ~, g2 E2 ^, k3 d
- break;
# n2 c% h0 k/ N( |0 y- `# q - if (c == 'n' || c == 'N') {
w1 ]7 h" S7 K. w; _0 y2 W6 S - printf("\nAborted.\n");
1 z7 k! p: U7 ] c/ E- o - return 1;3 e- Q# m0 T9 ~& O. t# @* ?: c
- }
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- if (writeparam(mac, stbid) == 0)
( i% K) u' F3 m2 D7 p - printf("Parameters changed.\n");
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- return 0;) I1 Z8 I+ t6 A) V
- }
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