本帖最后由 0522 于 2012-3-21 23:04 编辑 - Q; }) p1 x/ W% Q5 N) U/ {
1 ~! U8 e4 C! x0 M, D H修改的代码早有了。到今天不会编译。- v8 |! H4 I. @, ?0 T- Q
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
; [1 O* E* \3 J2 [ - #include <malloc.h>
& A! J3 W% o, k' n. S. x - #include <sys/types.h>6 m8 X5 u v( g/ a
- #include <sys/stat.h>' z# N0 S) ~, x# i4 Z/ q% `, {) e
- #include <sys/ioctl.h>. ~ M& p; K. E* a. c+ ` |5 f
- #include <stdio.h>
6 x: d! j3 I! q; z1 b n B - #include <string.h>" u5 \$ v, w. x3 K( g8 T6 k
* G8 g$ P1 U( C6 O2 _. f' l- typedef struct {% |7 s+ J3 \5 \ X& }
- unsigned int e2prom_cmd_sub_addr;% P s+ s9 H1 N" ?9 o( a. ~$ ]
- unsigned int sub_addr_count;
7 N1 B% P& J- i2 J; n1 J - unsigned char* e2prom_cmd_data;% m" o/ F: u' F1 n6 Z- \
- unsigned int data_count;' d0 K, [8 j0 ^. }/ h
- } e2prom_s_cmd;
9 h4 [: F: `9 k1 J - 4 v B4 a( b/ ~# k) ?1 v3 n" l& I. @
- #define E2PROM_CMD_READ 1+ K4 e- N# N; h$ S2 c/ o6 q, R
- #define E2PROM_CMD_WRITE 26 C9 [" t1 Z( J+ U$ e5 L
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 Y6 w8 v( [. h- j# x( k
- $ p: }4 ]4 g4 z2 g8 }( {
- static int readparam(unsigned char *mac, unsigned char *stbid)
2 T! j+ V. G' e8 g+ a% S- K' P - {
8 i# G: Q: u1 T; c& X - int fd, ret;6 D- R; I( I1 ]5 R% J
- e2prom_s_cmd arg;& A- d8 \- [7 J/ {3 l
- unsigned char buf[0x18];
* s. a5 x3 \0 s- N/ \+ t
4 G0 ?0 W, C, Y6 ~ k1 F) i* A! X- fd = open(E2PROM_DEVICE, O_RDWR);
3 g& e6 a. g4 G$ p - if (fd < 0) {$ K( J1 @% f1 e- O& K P* i
- printf("Device %s open error.\n", E2PROM_DEVICE);
( z. `' E' o! y, T3 j6 B - return -1;0 H# s& m( i+ D9 U- d- t
- }
' `: F, r7 p, _7 g7 t. K - arg.sub_addr_count = 2;
: K* P2 R4 N' ?% s, N) P' c - arg.data_count = 0x18;+ a' u' H9 l' c( w( c! O
- arg.e2prom_cmd_sub_addr = 0x290;9 u2 V. m. _$ _6 c
- arg.e2prom_cmd_data = buf;0 `: g% v2 F7 s0 R/ c+ c1 o3 B( d
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 u+ Y* J: w" S+ P& _* h. ^% @
- if (ret != 0) {
0 L0 T" O( a2 I6 r u) m9 Z - printf("Device %s read error.\n", E2PROM_DEVICE);3 b% R6 n; @& j7 {! u9 N7 Y+ M
- return -1;; y* D0 d" P; R% [) |
- }
9 v8 z4 h% ?4 L; j) N' r - memcpy(mac, buf, 6);, ?# \( F, T0 ?% H4 f
- memcpy(stbid, &buf[6], 18);
8 ^ @1 Y& G4 U( z - stbid[18] = '\0';
, d k, q2 h7 }- M
9 `$ j1 C ?# |- return 0;
" Y. B3 D9 ^, F$ S( E - }
" z Q% @3 Z5 o5 Z6 T2 ~! N
+ Z# H" \; j( F* S1 g9 {$ m. _- static int writeparam(unsigned char *mac, unsigned char *stbid)
, f$ }7 M8 \# I9 [7 g4 g& k - {" x4 _1 b' ], L/ {5 B; _* t0 b! S! E
- int fd, ret;
$ ?5 T: `8 H: ^ g f5 s - e2prom_s_cmd arg;
& P; R; G0 X3 m7 \ - unsigned char buf[0x18];
' G% @8 B' g5 J" K7 z, @
: g) u2 z Y3 X+ ]5 w+ {. `' g- memcpy(buf, mac, 6);
7 M& o# ^7 P6 r( ~2 {: ~ - memcpy(&buf[6], stbid, 18);
+ J: e. H+ r# h- ? - fd = open(E2PROM_DEVICE, O_RDWR);% ~ F+ M/ L8 B ~, X9 {- a
- if (fd < 0) {! K c ^0 y) G! S9 M1 b2 v
- printf("Device %s open error.\n", E2PROM_DEVICE);8 f) z* a" e! w9 {; K' l. B% @
- return -1;& l6 F+ D0 _9 a+ C: l$ }. t
- }
8 `1 d7 [ L+ b! N/ J$ A- T - arg.sub_addr_count = 2;, X# s, w0 U3 h% X) w
- arg.data_count = 0x18;
+ N5 s: o6 z* t3 Y4 F* q$ c9 ^, M x9 @ - arg.e2prom_cmd_sub_addr = 0x290;& c; g: R# o) g; H+ f# X7 [
- arg.e2prom_cmd_data = buf;
I _8 c. T, v7 u% S& k - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 x: ^ P# k! R) x9 x: C - if (ret != 0) {
1 I; c6 x( r) ^$ ]) t - printf("Device %s write error.\n", E2PROM_DEVICE);; E* d* H. B, X6 Z
- return -1;: t3 [3 z O: Y' P1 z+ Y8 i
- }
3 z/ I% i+ D6 A% i. J# G h - + l! I5 D, A0 W9 J+ {6 C: Z
- return 0;
. u G) t/ J7 g a/ S - }
: H% k; o& r$ g; D6 S& J+ s$ A8 v
- m# C/ b0 ?9 ]4 w9 K @- }- int main()
4 Q$ H# J5 a. C. r - {% A$ D2 R s% ]8 s$ |. L6 C- t( Z- r
- char c;/ k- c# V8 P @9 i) {2 C C. u
- int i, macs[6];
! v2 {& n: W: J0 E( {+ R. H \ - unsigned char mac[6];
! ~, n5 f s q5 p# l: x - unsigned char stbid[256];2 v6 q( |! P7 N7 {, z% L
0 n' Y6 u2 U6 c2 b; c4 w- if (readparam(mac, stbid) < 0)
6 W# J% N" T6 ~- X: o - return 1;
; A: Z, ?) I0 R! c* y! `
' H4 ] e; c, |6 s5 R6 G9 _- printf("Current parameters: \n");5 x0 W; y5 ?5 z/ Y" `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ V9 j( k6 e- W4 V: C8 e - printf(" STBID: %s\n", stbid);/ N3 g5 n( a6 f, e3 G
- 5 V9 |/ ?: ^8 R9 H: B" G- V
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");0 u: L5 Z: i: P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {9 K) Y# m! a1 p! P k
- printf("Input MAC error\n");, }" j" n7 a$ p: W: ^3 z; f! ]
- return 1;
0 ~. G" I- w/ B7 E0 |: W( l - }5 Z) H8 w- ^1 X/ ]$ ~9 H
- for (i=0; i<6; i++)mac[i] = macs[i];
1 A) U: Y4 S5 u, @3 L w - printf("\nPlease input new STBID: ");
4 y/ Z6 o: g0 e - scanf("%s", stbid);! g, n. H8 g) ^- ]4 z
- if (strlen(stbid) != 18) {
, J) e' K8 V7 d) T, R - printf("Invalid stbid\n");
1 R$ }2 d; x: q6 K. A - return 1;
9 @1 g; \' p" d3 a. c5 m - }9 |4 @7 Q, Y( W) Z4 c
- printf("\nNew parameters: \n");
/ l& l; y# c/ q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: k+ t7 H7 I' {) _+ P1 g$ `6 z- U$ ^ - printf(" STBID: %s\n", stbid);1 q& m0 K0 P; V. R( E7 M
: V2 o8 L" w; Y% M- printf("\nDo you want to change paramemters? (y/N) ");
5 P9 N- b3 d. l& s! U - for (;;) {: S% M- N% ]! w" \
- c = getchar();8 _9 l" }/ a* T! J! J; S
- if (c == 'y' || c == 'Y')
& W. ^, O6 l- ~% A, u. B - break;) r3 ^5 }/ x8 i2 Q: n4 r
- if (c == 'n' || c == 'N') {
& ?; A$ V9 w* a! ? - printf("\nAborted.\n");5 _0 W, K u! C, [
- return 1;' E7 j$ Q) a1 V7 q1 \( S
- }
/ s8 m8 G$ j2 q$ A: D- d* q/ o- ` - }2 u0 D$ s4 s8 s' Y9 x
- if (writeparam(mac, stbid) == 0)
/ r5 F5 |8 z) c+ T6 S. [8 C/ i, M - printf("Parameters changed.\n");
5 \: x2 Y5 p) S - / o6 K* q, h8 R, N
- return 0;
$ A4 z- S% Z( v9 f7 Y% u+ } - }
复制代码 |