本帖最后由 0522 于 2012-3-21 23:04 编辑
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3 a7 R/ |; O0 R$ T修改的代码早有了。到今天不会编译。
4 D6 [# H9 ^1 H5 j7 K6 v I需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 h, U2 s! m8 Q. }. y9 _: I2 R
- #include <malloc.h>6 [& ]. V6 n/ `0 ~- K
- #include <sys/types.h>
+ C+ X2 u, X8 ?$ V( l2 _2 X, A - #include <sys/stat.h>
+ u. \; I7 Y% g4 t8 J9 B0 j - #include <sys/ioctl.h>
3 R7 h7 [- Z; P% k8 b! h - #include <stdio.h> @+ K- h- Q3 E# x
- #include <string.h>: e7 O$ z4 N# _! ~6 f
a. m: c) i/ N& l2 c! `- typedef struct {. Q7 w1 L% ]% s# v. O
- unsigned int e2prom_cmd_sub_addr;
+ r7 B3 A/ E. l - unsigned int sub_addr_count;% v r( i5 `' J9 D, q
- unsigned char* e2prom_cmd_data;/ o* n, a; D" l) _
- unsigned int data_count;
) V, t( M2 y) p8 E% J, _7 t - } e2prom_s_cmd;" l6 H; }6 G3 W% I5 ?1 x f3 H
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- #define E2PROM_CMD_READ 1
8 [( m/ ~# L P5 Y - #define E2PROM_CMD_WRITE 21 x2 D" G/ l6 I& g/ D8 w
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)$ u1 m5 j* w5 p/ D& E4 u
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- int fd, ret;
# K5 [4 K! S0 N - e2prom_s_cmd arg;
: s/ }3 y6 ?& W5 j8 U2 A5 {: ~: K - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
1 z) t" d. E7 G A - if (fd < 0) {3 B0 e/ E! Q- |7 |, ~& ^7 b' W
- printf("Device %s open error.\n", E2PROM_DEVICE);
- Y- X- n& U0 v/ [5 s; d% v - return -1;
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- arg.sub_addr_count = 2;4 X6 v. y" w6 L/ L. R4 a( J& G
- arg.data_count = 0x18;! E# D9 K; g5 z* W7 f( ]' \" S. S
- arg.e2prom_cmd_sub_addr = 0x290;
3 w: \1 H( O: H4 y - arg.e2prom_cmd_data = buf;
# @$ N) v( z+ q. g0 v1 N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
9 s$ g, _4 O- _! W - if (ret != 0) {7 i C* s7 y3 F" _
- printf("Device %s read error.\n", E2PROM_DEVICE);
, N$ ^* y( y4 Y% Q - return -1;
/ O* \' ]8 H e5 A7 d, j2 k" e - }) w9 V; m& P5 x" k ]
- memcpy(mac, buf, 6);
: b' H4 m9 |. y* m2 N; G! B - memcpy(stbid, &buf[6], 18);+ i, L1 m) P3 Y* Y& p
- stbid[18] = '\0';' h1 c7 [- z4 D9 v
! Q1 \: U) u9 |. @/ A; C" }( R& o- return 0;$ s& Y# G7 E" x! n& N! j$ r& \
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" [8 z. l8 M) @% z! I% w- static int writeparam(unsigned char *mac, unsigned char *stbid)8 |- E3 i' r8 ?/ n x9 u
- {
& a# `; B6 \- D' t) ~: T* ]9 h - int fd, ret;
8 E; I& ^3 U6 S+ E2 r1 ^( w - e2prom_s_cmd arg;- `1 _) \) z. O) Q
- unsigned char buf[0x18];- d8 ~, ]! V+ R* \1 ]
E8 `/ }7 F' D0 o4 K- memcpy(buf, mac, 6);4 c& B' T# K( g# N- _# a5 e
- memcpy(&buf[6], stbid, 18);- ~8 k- Z) X* \) @. \9 A* X$ H z
- fd = open(E2PROM_DEVICE, O_RDWR);" O3 _/ t3 r# P9 V3 E$ m1 N
- if (fd < 0) {
) h) m" a" t/ a$ w' t - printf("Device %s open error.\n", E2PROM_DEVICE);
* E! a* C6 t( f7 P) T) d5 _- Y+ V - return -1;) R F! {9 ~" k/ N9 |. B; O
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- arg.sub_addr_count = 2;
( z9 [3 M3 M0 P5 H$ I% z! O - arg.data_count = 0x18;+ J/ O8 n+ F3 Q5 I
- arg.e2prom_cmd_sub_addr = 0x290;* ~1 t* @- h2 Y. ]
- arg.e2prom_cmd_data = buf;, Q9 ^, _ E" E( g! E" y% \3 K
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 X1 A d F* X8 [3 i J3 O - if (ret != 0) {
( l6 m r6 N2 u! c - printf("Device %s write error.\n", E2PROM_DEVICE);: E) `6 z6 i* p8 X& ^
- return -1;
+ |6 X) \( q3 y& W+ A - }
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- return 0;
. P: r6 g1 U$ K6 o) _# J! ]. d - }
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8 M. `3 }) Y# p0 X4 i& t, C- int main()
! C" q% K/ f* u' z+ J5 G - {
i0 G2 y, Q6 p4 w' p4 S0 w3 t$ \ - char c;
Q0 I4 [! {7 { - int i, macs[6];
8 X+ ~: k5 ~ J - unsigned char mac[6];8 [8 ^+ y/ W3 @2 a& S6 i! D) M1 u
- unsigned char stbid[256];
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* g" C$ P' m$ M' Q! \- if (readparam(mac, stbid) < 0)
% v" W0 M6 n2 B - return 1;
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3 w! J; B) s5 y8 a) @1 D4 ]: {- printf("Current parameters: \n");4 q& G( K$ P% T/ E
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, k. ~4 w( j4 G4 v+ K - printf(" STBID: %s\n", stbid);
* _+ H6 j$ x0 Z2 R+ k! { -
+ _1 V# B& j7 z* y0 B- L. m6 G - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 U8 e J& P8 o7 C$ i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
4 A/ i: `( x" X- o( W! F - printf("Input MAC error\n");" a1 ]- I' d9 _* j
- return 1;- x; d( x* w& o+ f: D5 m
- }) J8 v2 q9 M5 e
- for (i=0; i<6; i++)mac[i] = macs[i];" G) F: u5 m e3 S
- printf("\nPlease input new STBID: ");
" R8 u9 D* v/ y' T, ] - scanf("%s", stbid);
! ?+ f. j1 X& B( H, i - if (strlen(stbid) != 18) {
/ k. j+ N1 H; H/ }& Z) C- L' D4 J - printf("Invalid stbid\n");1 |6 l+ o5 c# e3 F% y/ w
- return 1;# @+ h2 r) D1 E9 `( U. L# a2 i+ d. K
- }7 W0 z% w/ V8 `) N$ l
- printf("\nNew parameters: \n");
7 a0 O8 m, C5 p2 B" i9 Y - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! p# _3 e$ e. w3 T
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
/ _" q1 C3 F3 e# A1 u; _6 E" G - for (;;) {; K3 N6 I9 q- G" `5 ]6 s7 Q& T
- c = getchar();
) j1 A# H- R+ R. F7 f+ n6 W- g - if (c == 'y' || c == 'Y')
, g* I( N h* i7 t - break;
& A2 t! h7 _0 `& i - if (c == 'n' || c == 'N') {
( G2 H d4 x& w' P' A, W - printf("\nAborted.\n");
$ e. U [2 g P/ i1 _8 u! S( _ - return 1;* x: Q4 d& u8 B
- }8 I3 Z- W( v" |( t7 y. b
- }
" |! n( g. X- v, k; |: P& b: ~& F - if (writeparam(mac, stbid) == 0) / U. H0 e3 t" A0 q* Y0 p7 C1 Y/ d
- printf("Parameters changed.\n");" ^0 {, I' e- s" ], ^- t
7 r; j3 e- b: A2 f$ y2 T- return 0;$ M. T# [" ?. o
- }
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