本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
2 u1 V" L1 @" D+ \3 q, S% v需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; x% N& K- O7 G& ?% c
- #include <malloc.h>- i8 O. a! [$ D) c
- #include <sys/types.h>+ M" u/ y2 W3 e# N8 }
- #include <sys/stat.h>
! R+ R9 W: G" f - #include <sys/ioctl.h>: Q& I$ W, q" o$ V
- #include <stdio.h>$ N: S9 W/ V% Y9 i/ O2 h& M
- #include <string.h>3 u, z+ U9 X4 `7 a/ i3 s
- 6 u( A$ x. }1 k, {
- typedef struct {6 A7 J5 s. b! c$ \; f
- unsigned int e2prom_cmd_sub_addr;
5 L) V7 Y; r( r2 b2 n4 Y8 L - unsigned int sub_addr_count;3 y n! N. e0 T6 E
- unsigned char* e2prom_cmd_data;
8 m# M) F3 u I% Z6 L9 k - unsigned int data_count;
( \9 }0 b' t0 K o2 W* Y - } e2prom_s_cmd;: d' \! P' n1 ~1 K- I
- " W% \0 A+ t) A% G
- #define E2PROM_CMD_READ 1. |; G1 N1 E- a( u! _! x
- #define E2PROM_CMD_WRITE 23 B8 }# e# O+ {9 N. R$ E, B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 ^4 p& n, A% `* q9 [5 p& d
7 z! w% j: x# b8 G/ z( ]! K; S- static int readparam(unsigned char *mac, unsigned char *stbid)4 a( h* B: M7 e% I* N: j
- {
E3 l5 W6 v" H; J/ {, e5 i - int fd, ret;
3 m0 w6 B9 K" Y2 J - e2prom_s_cmd arg;
, L* X/ a/ J9 U, e* ] - unsigned char buf[0x18];. @6 U [! M; T0 |
& N9 W; g+ f! v- fd = open(E2PROM_DEVICE, O_RDWR);
: a! o7 M8 p V8 y# Z7 Y/ B; S. c - if (fd < 0) {
6 n" K5 k& M# z0 @ - printf("Device %s open error.\n", E2PROM_DEVICE);
9 _' A8 n7 z; I" _- H( ~ - return -1;
+ {9 ?% A( k/ e) M; I$ L - }
0 F: a) p( ]' C$ S" ]: O$ ]$ H+ q - arg.sub_addr_count = 2;8 W& L7 o! k7 [' ]
- arg.data_count = 0x18;$ R. w3 v% |$ A
- arg.e2prom_cmd_sub_addr = 0x290;' A5 k2 e! g# l% L
- arg.e2prom_cmd_data = buf;# T: ]7 a. Z9 F, K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);- H, K* ~0 N" F8 F
- if (ret != 0) {/ C0 J6 ^6 P) P( N
- printf("Device %s read error.\n", E2PROM_DEVICE);3 m3 X7 @) F/ v+ p) {1 M
- return -1;
4 E1 G: j( N* w. O - }7 i. k" ?( l8 I9 G& \1 s8 b
- memcpy(mac, buf, 6);
2 R4 S1 g# `9 ^6 r9 k( n( x$ v - memcpy(stbid, &buf[6], 18);$ M. P1 m- Q, O, c2 G" R- c4 E
- stbid[18] = '\0';
. y. V) F' a( D2 ^' h b) Z - $ c. W& w# y! [! q- R. D m' }
- return 0;- p+ P/ O1 f( N2 e9 F
- }% v* F7 X9 z" C8 O" H5 m
; u/ l7 l) e4 L- g* ?- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ i b! J/ w, h' z$ a! |- i$ M - {* C" b& ?* e% z) f6 @
- int fd, ret;
4 P5 q! r4 v; ]0 G# o- Z: r' c6 t+ h - e2prom_s_cmd arg;
* Z8 q7 q3 K+ V ? - unsigned char buf[0x18];4 o- m1 ^) V" h1 ~# o) l
$ {" G1 r3 s/ y( x$ s0 }- memcpy(buf, mac, 6);$ b9 {$ t0 s4 F$ n* g1 g6 s
- memcpy(&buf[6], stbid, 18);, i0 M* ]8 q5 D2 f3 e
- fd = open(E2PROM_DEVICE, O_RDWR);
$ O. \' k: G2 M: t - if (fd < 0) {
/ o3 r* X2 \' E: Q# w5 { - printf("Device %s open error.\n", E2PROM_DEVICE);" a0 V" K1 {0 h
- return -1;
# F( G Q: a0 @7 R* R - }
+ z8 S% J& d5 o5 \( c( U! b - arg.sub_addr_count = 2;9 H7 ~" s7 \4 I8 f7 D2 I2 N7 F9 I D
- arg.data_count = 0x18;
( j4 S* x! B8 i0 v/ ~( S$ B n, D7 ` - arg.e2prom_cmd_sub_addr = 0x290;
& a2 j0 j" v1 \7 K/ B. { S8 C. s - arg.e2prom_cmd_data = buf; q, ]7 i) q l1 O8 o8 w
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" f- t- u8 p9 F; v7 F - if (ret != 0) {, k' l9 s( o- g6 e
- printf("Device %s write error.\n", E2PROM_DEVICE);
% W q( q1 K/ x2 X) l - return -1;
& x' n8 h/ B7 B0 m/ N; N - }
& E9 u" j0 W) k% {! |4 F - / _# [/ B2 r. N% {# h: G
- return 0;
# ^2 W0 D: W! \/ m4 D+ E0 O- j, Q) S - }; a) A5 J \& A
- " i, W& ]! W# i: G
- int main(), V9 H) r2 e6 H1 {7 G4 d; G( V
- {
/ [1 l+ L8 Y, k: P' I; e1 f - char c;
7 C B& W, b4 z; v - int i, macs[6];
$ V, z7 [' k# z- H _, M9 |) R2 e5 p: Q - unsigned char mac[6];/ y" C) g. x* V: B
- unsigned char stbid[256];# O1 y. j- c! r6 J" v& Y. b: q
c3 o8 f, L* T, g( k- if (readparam(mac, stbid) < 0)4 ~( ^- q* }$ c! e2 s6 T+ G
- return 1;
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6 c" W0 M5 n& H' Z. ]- printf("Current parameters: \n");
: v9 j) v) a1 V9 G; [ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
$ p/ J4 Y- q/ w& M j1 p$ c5 I$ x! H - printf(" STBID: %s\n", stbid);* a M6 @3 m! C( ]! o3 [- x% A4 d& B
-
1 ^3 ]" e( w0 }$ T - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! ~4 Q2 P8 }7 G
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 R/ Q$ j$ x, s# D. y - printf("Input MAC error\n");
9 u* s* B: ~+ g9 W- w - return 1; ^+ z W n, I( S# N
- }
& v4 K D- f' ~' T - for (i=0; i<6; i++)mac[i] = macs[i];, Q1 J1 T' P F: A' P$ R+ z
- printf("\nPlease input new STBID: "); [+ m. e# P' C$ W
- scanf("%s", stbid);) Z, o6 K$ e4 m6 Z6 `" M0 {) E
- if (strlen(stbid) != 18) {- x' S. O, X9 |$ i
- printf("Invalid stbid\n");
1 j- E. `5 p4 y7 C+ l - return 1;
1 H" }* j C; e - }
# N* S: f5 j+ b9 r/ O - printf("\nNew parameters: \n");
; i2 s/ G ]% G. w6 v7 I) F - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- t1 |- q4 [6 r
- printf(" STBID: %s\n", stbid);$ ]- X( Q+ j% M( z" O1 B" V
- : Q, A' n' Z. W
- printf("\nDo you want to change paramemters? (y/N) ");
% S0 z- M6 D+ r# p/ X - for (;;) { L! r& \3 R2 o5 {4 j
- c = getchar();
8 g* o7 d! ?$ ]: _& |+ s - if (c == 'y' || c == 'Y'): U' s/ m9 y% P; ]
- break;
$ }' m7 F$ v3 {! { - if (c == 'n' || c == 'N') {
- Y) {. }8 Z2 ?( T - printf("\nAborted.\n");
0 i1 ?/ T7 o6 ]" ]; }* v9 i - return 1;# _2 D3 E; T9 A. T& ^( @) @
- }. U7 I% q3 K) z% ?: b
- }- u5 e3 W' M3 N8 h3 P3 v4 C
- if (writeparam(mac, stbid) == 0) # t. @ o1 @! K% C M; z
- printf("Parameters changed.\n");
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: ]7 R7 f/ O- Q, V/ W- H1 Y- return 0;
/ d u9 g* K' Q - }
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