本帖最后由 0522 于 2012-3-21 23:04 编辑 ! D2 ?5 l8 B$ w: H8 N9 t6 H. J
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修改的代码早有了。到今天不会编译。/ k, \( T$ y% J- _9 w9 U
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
1 M( t1 T$ { @, z! _+ `- C) W/ B - #include <malloc.h>
. H/ Y2 d- ^1 j9 s - #include <sys/types.h>
6 Z! h1 R- [1 l* }$ J7 e3 j" D - #include <sys/stat.h>
0 s' y9 J& r- ^ D( G5 { - #include <sys/ioctl.h>
M. g" K. ?$ w& @3 d - #include <stdio.h>
]9 v$ f. \. m: O" t' h1 x# V - #include <string.h>5 h6 V' w. d- t4 O
) `: J, i: a3 K* b8 G, t- typedef struct {
9 Z; `- E5 F( r( [0 N - unsigned int e2prom_cmd_sub_addr;
* G3 I. T# v1 e+ q - unsigned int sub_addr_count;2 M# p2 G0 G2 [% N! _) T
- unsigned char* e2prom_cmd_data;! A1 ^! ~6 ?' }( ?5 u2 B+ v5 V
- unsigned int data_count;
. w5 z1 h# A! E# j - } e2prom_s_cmd;
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/ o4 l5 U! ^. a. H/ @! i* K9 l- #define E2PROM_CMD_READ 1
/ S- h+ E5 E+ B - #define E2PROM_CMD_WRITE 2" |8 N" y$ E# Q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 ^, y0 g2 B! f5 [4 G
" N% T7 m1 ~# I4 H- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
6 U$ L1 K0 V6 k- E - e2prom_s_cmd arg;. u7 e3 S4 P0 [) D' a7 [* J g
- unsigned char buf[0x18];# ?6 N m& L j- Q' O- g& j% ~
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- fd = open(E2PROM_DEVICE, O_RDWR);
, M& p1 a7 b1 T% z - if (fd < 0) {, s4 p1 j& A2 X, w5 i
- printf("Device %s open error.\n", E2PROM_DEVICE);" Z5 t. h+ {3 q" ]- x* X. {1 d3 C5 J# j
- return -1;' k) _$ M) w7 i$ E( n/ j
- }: w1 b* m+ o+ D# c( @2 U. f8 ]
- arg.sub_addr_count = 2;
# E/ O+ J% o! y3 D$ e9 `) P - arg.data_count = 0x18;4 M1 U; e! [; a2 _9 Z. _
- arg.e2prom_cmd_sub_addr = 0x290;
9 v# l7 W3 l! Z2 D8 F4 f" a. K2 i - arg.e2prom_cmd_data = buf;0 ?0 v! b; ~7 a" c: ] W3 Y. _
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);: r4 W5 V H8 }, V
- if (ret != 0) {
* j% M; y6 X5 ?4 C- K - printf("Device %s read error.\n", E2PROM_DEVICE);3 `" |# m2 l g1 K& Q5 [
- return -1;
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- memcpy(mac, buf, 6);6 l$ O& ~! u# i% [' L" _1 n4 `& B
- memcpy(stbid, &buf[6], 18);
5 F" D7 F" l: t" S" K, T# Z6 F - stbid[18] = '\0';+ L2 o' E, d+ w
/ m1 ~( w1 z* g& _$ R$ K6 b8 J- return 0;$ d9 v" g5 R' v9 U& J$ U
- }
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% o- N$ G+ y; i$ ~- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;" _: w1 d8 z: N1 z
- e2prom_s_cmd arg;$ ]% ?) G& W" V, Z7 V' d+ z7 Y
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);7 D: B5 e! P3 T% D: d# q% t$ s
- memcpy(&buf[6], stbid, 18);
S2 f) q# ^8 {( ^$ f. i - fd = open(E2PROM_DEVICE, O_RDWR);2 ^ {+ Z" A. U" N: }* t
- if (fd < 0) {( s# W3 d8 k/ ?5 I; f7 N1 q
- printf("Device %s open error.\n", E2PROM_DEVICE);, @, k c! [ s6 U& t4 B; B
- return -1;
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- arg.sub_addr_count = 2;
! L" l" y' b* u+ Y- H4 I - arg.data_count = 0x18;
& `" a, A8 j! ? - arg.e2prom_cmd_sub_addr = 0x290;" F' o U1 t- l3 F/ ?8 E1 i. M
- arg.e2prom_cmd_data = buf;
& n2 L( E/ W- t - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);0 ^7 `1 e& H# [! H- r1 `% H
- if (ret != 0) {! ?5 J0 V# K& a& W# {1 y' l4 F
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 t8 k2 N9 D! n! V - return -1;
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- return 0;
1 Q- C8 I6 ~& Z5 Z" [+ b - }
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- int main()
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- char c;$ o3 _, E& @& `0 p, K& v) S. R
- int i, macs[6];- W! [5 ]0 Z6 ?9 O6 m, {$ Z
- unsigned char mac[6];
s* H# [) }% q - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0), E [0 F5 U' p. _+ B4 p* b
- return 1;' h9 D8 F t2 K8 b# h
- : M K Q( A7 a( L% l5 v" S
- printf("Current parameters: \n");+ s6 u" |* y& t9 g& L& F. j$ v7 D+ o
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
5 U' |3 f& D9 y7 b - printf(" STBID: %s\n", stbid);# B1 b1 w- x; o8 |0 K1 J" y5 _# [2 u+ @' \
-
5 T$ X) T- V- A, b8 x/ J6 m, \4 z - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");1 [9 T/ B+ v( s: t( |' G" w* ^ h
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* y$ F% M( d1 r0 i
- printf("Input MAC error\n");
+ ~) \# h: F; \2 }( S7 Q - return 1;6 [- } m, Z+ P) c& [1 a
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- for (i=0; i<6; i++)mac[i] = macs[i];
" e$ Y3 l) k0 A' L2 O" c/ `& e - printf("\nPlease input new STBID: ");
, b. a+ c) P. l$ l+ p3 Y4 P - scanf("%s", stbid);
' j0 N$ k4 y6 x. h. Y( |9 d: `. d - if (strlen(stbid) != 18) {
8 A; _" u+ L' a! V- g) ]1 S - printf("Invalid stbid\n");
8 J3 D3 e b9 _& [( y8 U - return 1;
' c5 f" O3 |' H" z9 a - }
# n% g& }# w7 z; V - printf("\nNew parameters: \n");$ l* ^0 _ |2 {* @) e/ k2 f
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 T) i4 E4 L; a: z7 [: g
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
2 D4 V. x9 X4 V: r. u, A - for (;;) {
2 K c1 H! d. Y7 o2 R' A, C - c = getchar();
( _( g( g2 \" @ - if (c == 'y' || c == 'Y')' w, o1 x" b7 o/ M% G! t
- break;' V9 W' ~" R9 \, w. i
- if (c == 'n' || c == 'N') {% E1 ~1 Y1 Z" `: h; k, |7 c6 [
- printf("\nAborted.\n");( v# d9 o$ Y' M$ G+ |. h, x" O
- return 1;
& Y8 N k6 B F! Y" K$ D8 e- c - }
$ L0 w9 x- n: t9 t: F - }
% m/ t6 U# `" d/ t - if (writeparam(mac, stbid) == 0)
5 T, ?1 N6 r6 p$ H1 s9 | - printf("Parameters changed.\n");6 ]; h: ^- o' J% P5 o6 r. a4 V
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- return 0;
5 _# H* n A( j, t! L - }
复制代码 |