本帖最后由 0522 于 2012-3-21 23:04 编辑
6 B" ]! |9 ] V0 }& k- O; J. n4 k% m! b
修改的代码早有了。到今天不会编译。
' r v% x# b+ u& ]' k需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
, e" U* N9 {" A3 p7 L2 J - #include <malloc.h>- t5 M- H! J8 z. i" m2 {1 X
- #include <sys/types.h>
8 C. R' ^, d: w/ A" e% e$ Z - #include <sys/stat.h>
9 B+ y; M; D) I ~! W# E* D - #include <sys/ioctl.h>* A& M# b; w" I$ q: s1 v3 e; y
- #include <stdio.h>: X( m( y& H) C1 g# T
- #include <string.h>
6 J! u0 ? `, @' B$ B
9 d& g2 n: G a& G+ G9 d- typedef struct {( t" k/ ?# W. ^- e( @4 _
- unsigned int e2prom_cmd_sub_addr;
8 a- g7 L( \, H+ i/ k" e - unsigned int sub_addr_count;! y5 i8 q; ]1 w
- unsigned char* e2prom_cmd_data;% J) s7 |* ]- X5 ], J0 ~% p+ b
- unsigned int data_count;) \5 i: Y* @4 J0 V9 |" x. Y
- } e2prom_s_cmd;
% q. M) C5 x* b2 p6 h - ; ^+ {4 G3 T5 A9 V
- #define E2PROM_CMD_READ 1
: m! Y* R1 G- d# v7 f9 h - #define E2PROM_CMD_WRITE 2
: Y* C6 u; l+ s0 r. J4 C6 V - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 Q6 Z8 S% @: d# A' H
4 Q$ s5 p+ e) N* D2 W' w- static int readparam(unsigned char *mac, unsigned char *stbid)
* B+ J% M% K# t" ~5 A - {
5 _' w0 |" N0 C* y! @ - int fd, ret;7 |. m; f" N+ k) U: b: h1 k
- e2prom_s_cmd arg;% L3 K% p4 [; K& D- s
- unsigned char buf[0x18];
' b1 J: F$ z5 a# l% Z7 u- V* q) L - " ~/ }. R$ ~( O! q' E
- fd = open(E2PROM_DEVICE, O_RDWR);
3 L2 r. \. T' y9 U - if (fd < 0) {
1 v5 X0 X# Q7 b" i% L - printf("Device %s open error.\n", E2PROM_DEVICE);
. X: W8 ~# {1 t0 i, ^8 y' b) n0 ?+ Z - return -1;
( w( T2 Y+ C! i2 d4 ~/ T - }( R/ ^; r5 B7 A1 X& N5 x
- arg.sub_addr_count = 2;" r3 X4 [( R: ~7 |$ z
- arg.data_count = 0x18;/ P) [ \& c5 |7 y
- arg.e2prom_cmd_sub_addr = 0x290;4 e) y8 V3 L; \/ j/ m) R
- arg.e2prom_cmd_data = buf;# d$ `( f, c; p7 k3 s. F
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 @1 x8 C, N! O$ L
- if (ret != 0) {- Y2 t1 k/ R$ D- h: D' E8 u! n$ T
- printf("Device %s read error.\n", E2PROM_DEVICE);
5 s i. M4 o4 e5 x - return -1;, Z N9 Q& ^; N6 C
- }( C/ k- g# }% Q; ^3 e
- memcpy(mac, buf, 6);
6 H5 _9 u/ P" E - memcpy(stbid, &buf[6], 18);
5 `: `7 b% D% P/ y2 | - stbid[18] = '\0';
3 i% Y6 J* ]* X7 ?; W* x- d- {
! {0 b+ S ^, X' }- return 0;$ T8 ^+ q6 u% U
- }% b7 v6 ]: m- R* j% A: p% K" \$ M
. q4 d5 B, ]% L7 U5 F2 _* [- static int writeparam(unsigned char *mac, unsigned char *stbid)
% U9 v) {: ~% K- _ - {
/ ~7 W+ J# x; e- f- A# j$ b - int fd, ret;
/ q% H2 r" D' i. ?7 M3 {. {* r) V - e2prom_s_cmd arg;. R [" t5 y6 I) p4 d
- unsigned char buf[0x18];
3 T. U$ ?4 [3 C, i0 d
7 d/ p' k5 F( e% }: y+ q- memcpy(buf, mac, 6);
2 e; a& e( U( X F) Y9 Q. | - memcpy(&buf[6], stbid, 18);
& Q8 [4 F0 B( s+ g6 C - fd = open(E2PROM_DEVICE, O_RDWR);
2 y" u8 w/ x4 u4 y$ E. P- ^7 { - if (fd < 0) {
$ H0 y7 ?' C5 t N$ x8 g - printf("Device %s open error.\n", E2PROM_DEVICE);
7 [* g/ O, L. L) s9 ^8 S - return -1;& X$ L! J! d$ j' d" U1 Y% @
- }- _. ?4 K7 P+ f/ |' D
- arg.sub_addr_count = 2;
8 S9 J- t; s/ F* Z( ?( |" ~4 P - arg.data_count = 0x18;
$ u. H% Q, T7 |0 Y& Y. c - arg.e2prom_cmd_sub_addr = 0x290;5 \, _0 ?; B" f* r' v8 J
- arg.e2prom_cmd_data = buf;* l; m( W5 c5 v9 t( C: e/ Y% j
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
8 k/ @# T3 o' o8 t6 A( h, m( j - if (ret != 0) {3 |2 f9 Q, \- S2 R# T% s/ }
- printf("Device %s write error.\n", E2PROM_DEVICE);. e# ^; d" B. u0 `5 q6 {
- return -1;
" t. P4 N+ K9 z" J, ^ - }
( j6 l/ L$ \1 i+ H- g5 F
' y% `+ n: b$ _* O- return 0;
5 s5 Z+ w- R4 ^/ r1 ?5 } - }
+ C: f: \+ E8 ~, g4 N- E: A9 P4 C - * J, p0 g9 j3 x! s
- int main()! Z/ y2 S0 O# Q# W
- { V: I/ K. \# ^0 ?) R0 j$ S
- char c;# |) d( _" `4 C) C2 t V* g4 j
- int i, macs[6];1 N* E. H5 E) n5 G# y# |8 s/ Y& [4 V
- unsigned char mac[6];% j! {3 B$ o |: J
- unsigned char stbid[256];) T% ]4 j2 m: s- R
# @( r$ n: c+ m4 a& E- if (readparam(mac, stbid) < 0)
" ~2 P2 O: D3 B0 M5 V% Z- o - return 1;
* u5 e1 p6 m1 D4 y" J# a0 U; w3 P
) i* X$ v' f5 F# ~3 l4 h( s. f- printf("Current parameters: \n");
4 X6 E( O/ |, a; K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% p! R: k4 a& ?: ~4 A$ G/ ` - printf(" STBID: %s\n", stbid);# Q/ ~, ]/ s0 _6 M
- 3 |4 a. R; W7 M5 [- h- \
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& l0 W3 ]% F7 z" n, O" i - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {4 Y, P" B/ ?* |# q7 O n t' _- o
- printf("Input MAC error\n");9 P3 c7 L; e1 G& M$ t! U/ B; B( ~
- return 1;
5 v! Z: d0 q3 a# W4 R - }
8 h( O. c8 u* O& Y! k - for (i=0; i<6; i++)mac[i] = macs[i];
$ ? G7 O5 [6 e" X( R5 H - printf("\nPlease input new STBID: ");
( S* E) n7 }0 M$ U2 g1 v- v - scanf("%s", stbid);: a; U; H4 K6 }' T
- if (strlen(stbid) != 18) {
$ | U, i6 N5 @0 l q - printf("Invalid stbid\n");$ w" K2 h: y; `
- return 1;. m! n' s+ Y# |) I: P5 q' D
- }( }) \, e& g0 D/ m& k7 p7 [( L# e5 t
- printf("\nNew parameters: \n");
3 Z: @( y F4 O) m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: h# G2 _" [1 y - printf(" STBID: %s\n", stbid);) p& g5 s. o1 B1 d" R5 i8 `3 X
- ) y3 l6 Z3 W8 a0 G/ h; |
- printf("\nDo you want to change paramemters? (y/N) ");6 y! U' G8 {( M
- for (;;) {
4 H ]4 P0 p8 q7 s6 p+ B - c = getchar();3 k& i7 Z- D' Y% ^. N
- if (c == 'y' || c == 'Y')
1 \! A# ]0 h: P - break;( r9 _! I: f* a: e6 \
- if (c == 'n' || c == 'N') {
3 w, m8 n9 d# ?, m: _7 m9 ^! R3 [ - printf("\nAborted.\n");
7 }. e, z9 i9 m. _8 } - return 1;; Q$ E4 m% S- L) w" L" }' v
- }0 j% L1 h1 S; f6 G
- }7 F4 L* f+ P3 |0 Z/ p" d! e: c
- if (writeparam(mac, stbid) == 0) ! y7 ~' P; D" Y' Q$ d9 V4 Z
- printf("Parameters changed.\n");7 b2 }& ?" h: V0 P. c6 e& C
- + A m0 e. s' {% o
- return 0;" G, g# o# e8 V) H! j
- }
复制代码 |