本帖最后由 0522 于 2012-3-21 23:04 编辑
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/ T) X7 l# Y+ a; n& i& b修改的代码早有了。到今天不会编译。
! e8 k; y- K, u6 }0 W需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; L) d6 z, m9 k: A. i
- #include <malloc.h>! j# U) j7 k+ y2 e S/ w) o, I$ o1 z
- #include <sys/types.h>9 B! A& ]2 [4 U! q8 p7 R6 |; W
- #include <sys/stat.h>
' K: l: y* i$ e. z. x+ [ - #include <sys/ioctl.h>* }3 j* p* ?6 h) Z
- #include <stdio.h>6 I! n [: s' `3 ~7 J$ ?% M+ p
- #include <string.h>* T) m R. i: n6 [
4 H/ o- Z6 R$ D2 C* K) Z1 r- typedef struct {( I: B. i" J- M) E5 }- K
- unsigned int e2prom_cmd_sub_addr;, ?2 Q1 x- P% U( ]4 ^" r
- unsigned int sub_addr_count;
( G& g: ?5 g+ i0 v- R! Q - unsigned char* e2prom_cmd_data;
- Q$ h6 u2 f" l Y0 U2 b* b+ I. R - unsigned int data_count;0 W/ M& Q: W) w# r; X
- } e2prom_s_cmd;
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% ?3 o+ Y+ f; w3 B" P- #define E2PROM_CMD_READ 1! ]5 c) c3 q: k" T. v) R
- #define E2PROM_CMD_WRITE 2$ y* z6 b* `, n, j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"$ A* B5 F$ Q4 U3 B" ~! ]
& i- f1 m0 g- ?- static int readparam(unsigned char *mac, unsigned char *stbid)
+ o C" Y& j1 A* k; K - {2 e" G" _6 r8 ^0 x9 F8 h& I
- int fd, ret;2 x& R3 B3 l: U) e
- e2prom_s_cmd arg;
5 z, ^5 M. Z% Q. h# ^$ z( } - unsigned char buf[0x18];( m4 e. B7 i; m/ e' q
- ) |7 m8 q/ U/ A# b0 o+ f
- fd = open(E2PROM_DEVICE, O_RDWR);
( N8 W: T P7 t* @- f - if (fd < 0) {7 z9 q# O% M% O- n3 h
- printf("Device %s open error.\n", E2PROM_DEVICE);* N s1 `/ T* [: _: ~5 A
- return -1;
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- arg.sub_addr_count = 2;
' Q* a& o3 Q. [ - arg.data_count = 0x18;
9 S: Q/ P: d' a3 C, Q - arg.e2prom_cmd_sub_addr = 0x290;4 _7 o! R. S/ s% g
- arg.e2prom_cmd_data = buf;2 A8 Y" Z _# ?, S: G% |6 j3 S
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 K: `% g& k& t- ~& O - if (ret != 0) {5 k4 f& t' b/ k# i# L0 I
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 u8 u. D0 p+ z* F# d- I - return -1;0 j" n. l1 Z! l# s# ?0 j
- }
4 a. h2 Q |$ A7 L8 h! f - memcpy(mac, buf, 6);
% Y$ T8 n) V, [4 ^4 M E - memcpy(stbid, &buf[6], 18);; _9 i4 C! E; Y& _# h* m0 e
- stbid[18] = '\0';3 B X6 Y' T# u7 k' o
4 ]7 Y" N7 e' U3 d) p# `$ @ D- return 0;
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- $ a5 u: S$ d. ^& {
- static int writeparam(unsigned char *mac, unsigned char *stbid)4 f* e$ R; f9 D+ T' x
- {) H# d3 m5 S% [( o m) Y
- int fd, ret;) T$ e7 C7 X) X4 U6 e' D" @" t3 p
- e2prom_s_cmd arg;
% V. Q. N: N; Z& B0 S/ J - unsigned char buf[0x18];* l5 ?! L. V+ \4 S( r- S% n
- 6 L1 ? }* e( p+ B G, n
- memcpy(buf, mac, 6);' g* I; X- U: x8 _# K7 ]8 u8 A
- memcpy(&buf[6], stbid, 18);9 o$ X" N& ?# u" p/ g% `
- fd = open(E2PROM_DEVICE, O_RDWR);
% p% [( \* |* g( S, z; w - if (fd < 0) {
; E$ u+ }' N7 b$ R" M! J) P - printf("Device %s open error.\n", E2PROM_DEVICE);
; H( f: s, ]1 F6 E1 c - return -1;# T* A2 g6 `3 e, [ X- o9 W
- }
" D5 _5 w9 h9 h - arg.sub_addr_count = 2;
6 m, O& ^8 z9 A8 d) x0 O/ M( W+ b - arg.data_count = 0x18;
+ U! l; \0 F! U) C - arg.e2prom_cmd_sub_addr = 0x290;: u7 u7 J& \/ x
- arg.e2prom_cmd_data = buf;
0 f. i9 c/ {3 `, W2 c - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 p: D0 E+ g% l$ X - if (ret != 0) {3 r: m% A0 v; c) A" L9 [& K4 o
- printf("Device %s write error.\n", E2PROM_DEVICE);2 v6 L, N6 Q. T9 h' V( C
- return -1;
! W9 f7 z! _# V9 z u. F0 F/ m - }
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- return 0;
- J1 S9 I' M# r, q( } - }
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- int main()/ P4 q( [' r, ~# ~, L0 P
- {% j; s7 b8 _# h' p( P% L
- char c;
% ?" ]( ^4 ~. {6 n, S I# l1 [7 t - int i, macs[6];4 B! z& I/ Y4 [7 r3 X
- unsigned char mac[6];6 V L- b! D) k/ ~ L
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
8 q( r# _3 ]; T - return 1;: t! e& t7 Y% C' i
) _( b# m% p9 ]# H5 s- printf("Current parameters: \n");
; }, ]7 x D( B - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 ^# M1 Q R0 o4 v4 G) P
- printf(" STBID: %s\n", stbid);1 z' e" S* C/ M% N: o/ F/ R+ b
-
0 D1 }' c' H) r$ j8 j4 W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");" T3 k( A1 s# D# T# g
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {( _1 [$ J# Z6 k' Q0 l4 _
- printf("Input MAC error\n");, g, ~( w! @0 o: l/ T& R! B( r0 E' ?# `
- return 1;7 W; ~( Y1 n, |: L9 ^+ d) G* \/ N
- }# q, y1 I' P8 n, F, g6 l
- for (i=0; i<6; i++)mac[i] = macs[i];0 T/ [, \$ b0 S. C- X. U/ s* P
- printf("\nPlease input new STBID: ");
5 a& Y b; u$ W+ ]- V; _' h - scanf("%s", stbid);
0 L; E! c& M* x: _2 q - if (strlen(stbid) != 18) {
$ [: p' a+ _: U( W - printf("Invalid stbid\n");$ _; Q9 k) w7 @5 N9 _( ?9 l( v4 h
- return 1;
3 e H; R/ _; I7 b5 { - }
1 b! w7 C: k! f" |( A - printf("\nNew parameters: \n");
/ _5 Y3 ?9 Q* y3 ^: e% K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);$ g a% `, q" j8 z5 {
- printf(" STBID: %s\n", stbid);
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9 d: R2 L) H( D6 B. `: T- printf("\nDo you want to change paramemters? (y/N) ");
5 Z8 ?0 L& t) b5 O4 [# ^ - for (;;) {# b* `+ `$ n- ~, P1 K
- c = getchar();+ a$ ~: G# a! Z
- if (c == 'y' || c == 'Y')
l9 J6 [* Q2 D+ u S - break;: X7 W: S$ m* d
- if (c == 'n' || c == 'N') {, a* J/ {" N2 Q3 u0 B
- printf("\nAborted.\n");
! l2 |. t/ S* m+ V$ X) a - return 1;0 {5 P! `2 x* m2 |, l& t7 y
- }$ d7 C$ v2 B0 s& g( ~- B& [
- }
4 {2 L- Y, ?% v5 G- i( o7 e - if (writeparam(mac, stbid) == 0) 2 |/ A% L. U" |
- printf("Parameters changed.\n");4 e$ z5 p- S- A* Q, v0 c% w$ m
" U0 X6 n1 w+ x0 a- return 0; }7 F I; V) |8 W) p% y' H9 G
- }
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