本帖最后由 0522 于 2012-3-21 23:04 编辑 0 b8 U" y# [ h: F
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修改的代码早有了。到今天不会编译。9 g4 G. d" \' n
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 x: C6 P$ p: q" p2 J+ W& q9 I2 k - #include <malloc.h>
! P8 \9 `9 g" e2 u. f2 x) _ - #include <sys/types.h>
, w9 Y5 `- y( v; }: W, H1 f - #include <sys/stat.h>
t3 K; r: p- A' B - #include <sys/ioctl.h>
1 K3 O9 V: k7 b2 D4 l2 X - #include <stdio.h>
6 Z1 b1 @& P) d - #include <string.h>
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- typedef struct {8 ~4 C4 X& e8 z( r
- unsigned int e2prom_cmd_sub_addr;
8 i% k t4 L4 ? N6 v/ c% N6 ]5 F - unsigned int sub_addr_count;8 b- f) r# \2 H) c8 ^; a
- unsigned char* e2prom_cmd_data;
- U H- g+ b. }) d' ~- v' ?5 u# c - unsigned int data_count;- D4 @# \ O$ d7 ~. y
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1% i' I$ h& D. R3 `' J# i
- #define E2PROM_CMD_WRITE 2
. F, ?/ l$ C" m" `* k( S - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;1 y0 @* j/ u. j9 Q8 j: F* F
- e2prom_s_cmd arg;1 s7 Z1 ^1 o/ L5 z* s& P9 s
- unsigned char buf[0x18];
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8 D9 T" R) L5 F% W8 }- fd = open(E2PROM_DEVICE, O_RDWR);6 }% d) V! d& w
- if (fd < 0) {
2 t" N; m- {* w' N. x - printf("Device %s open error.\n", E2PROM_DEVICE);0 l: n1 V1 t. w8 w( k0 V; ]
- return -1;# g% `& _) Z0 _3 ~ e
- }
! l2 N$ U2 V' r2 x - arg.sub_addr_count = 2;
4 Q# `( C% ^" w! Z+ y - arg.data_count = 0x18;
9 B: M) `, m+ ^/ ~" c - arg.e2prom_cmd_sub_addr = 0x290;4 H) [6 S8 f) ]0 M6 Q1 O# _. k
- arg.e2prom_cmd_data = buf;+ \' a" h# {% i* e/ ]* J- C2 X: q! D. \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);+ d; l ?3 m1 Q$ Q4 h5 c. ~8 F
- if (ret != 0) {
/ X' M- i& I7 ~* } - printf("Device %s read error.\n", E2PROM_DEVICE);
/ @* a1 R0 o! Y1 H9 O - return -1;
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- memcpy(mac, buf, 6); ]4 F' H6 t; ~6 G! z
- memcpy(stbid, &buf[6], 18);
" M: U1 ~( O' _! ^# G8 e) U" r u - stbid[18] = '\0';* }; t, e/ E! ?4 n( ~
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- return 0;
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! `# q1 |( k R( ?+ B- K- static int writeparam(unsigned char *mac, unsigned char *stbid)
* u a( b* d1 x! y& N1 K! @! N - {
" ?4 d% l4 W* t+ H/ U- I6 [ - int fd, ret;
6 L, s2 M# v( ~1 P5 M - e2prom_s_cmd arg;# g; n) b @" ]: U" B$ x3 B
- unsigned char buf[0x18];2 l Z! T: [3 [0 ~3 o7 A6 Q
- 1 Q* Y' e( |8 Z$ I4 [
- memcpy(buf, mac, 6);
7 f v4 \$ Q3 v% m1 `3 t& k) a% a - memcpy(&buf[6], stbid, 18);
8 t, U1 {, z& J! i( m- O( Y - fd = open(E2PROM_DEVICE, O_RDWR);8 x. b' _' n+ K, ~2 `. ~ c
- if (fd < 0) { |! z7 s% \5 n
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 v. s7 b5 y1 }: R- E' ?6 s - return -1;- o- D9 z L; K/ \& v" ] |) D
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- arg.sub_addr_count = 2;9 e8 m6 k$ x1 f
- arg.data_count = 0x18;+ c, F3 n( A: B7 s, @
- arg.e2prom_cmd_sub_addr = 0x290;5 L( {" s0 _% a# q
- arg.e2prom_cmd_data = buf;: R$ _$ a& n" n$ m) I( R
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ P+ W9 i. N1 H$ |1 w$ {2 w - if (ret != 0) {
( ~6 ?. f1 A6 h+ ?' T3 b - printf("Device %s write error.\n", E2PROM_DEVICE);$ u3 z' |# Z" T# b2 V( o0 K
- return -1;
- \. m+ u' K$ d$ C - }
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2 E. p6 F9 |. I& I3 C, Q* C h- return 0;5 s9 }1 m2 {5 `
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" I$ M8 C" g, N# @: z8 @( I' ?6 s- int main()
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- char c;* z/ `3 f y; C: S& U
- int i, macs[6];
6 Y g) _. H t( s/ F - unsigned char mac[6];
4 V7 F" @% j6 q8 a - unsigned char stbid[256];
' B; P8 @- N' j4 z! }4 ?* l* z - 3 v' I j6 }$ W* p% }
- if (readparam(mac, stbid) < 0)
; i% u$ B0 T% X: n - return 1;
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V0 k) v( ]0 @9 ?- printf("Current parameters: \n");
1 }4 k6 R, p; z% Z1 A, m - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
% g+ H1 U7 o" |& n' G* A - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 y0 j+ M0 c8 \# H: j - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 X& j' V8 V8 j! o9 _( v( P
- printf("Input MAC error\n");
+ U" R1 O& S' ?8 {) @ - return 1;5 ?% V& h5 D# ^+ U- X
- }
# I, s6 h# Q( F2 Y0 v! W6 R, S - for (i=0; i<6; i++)mac[i] = macs[i];& u% _: e+ d; J W% s M1 x
- printf("\nPlease input new STBID: ");
8 R# T$ P7 a* \. C- n - scanf("%s", stbid);
9 f& ^3 U5 G y6 E* ~ - if (strlen(stbid) != 18) {
2 @ c& u" h4 z: E9 V7 @" { - printf("Invalid stbid\n");
' q3 P5 m# V$ ~5 S5 A - return 1;0 y# B0 M$ H O+ ~3 z3 z
- }) `+ c" l, i7 h
- printf("\nNew parameters: \n");3 h4 G* g! o* A( g& h: `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ h' P# I2 F( [& [: E5 W/ A& C - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");4 O7 q* x0 H% X/ W6 P: e
- for (;;) {
* y$ h1 o1 y; ]; s) i) W - c = getchar();
4 Q$ R1 {. _& q" v* C; g - if (c == 'y' || c == 'Y')
9 k- H5 r* ]; M$ Y3 j6 U - break;: \. c# a9 I& c+ _
- if (c == 'n' || c == 'N') {! v& r' G5 G& W8 S4 a
- printf("\nAborted.\n");
3 N! E, z$ v2 ]& A8 X8 d% s& L - return 1;' N8 A5 D5 O# Q) Z ^0 b
- }
; ?* ~; }' Y8 U& F- k: \+ ?- Z - }
9 }" O) W7 c0 w1 f2 z1 s - if (writeparam(mac, stbid) == 0) 2 }6 o# @4 F' C) a
- printf("Parameters changed.\n"); o0 n: G" [$ R/ `1 P- s$ Q
! Q* u" [! @! r3 D, F- return 0;
! y8 K) f2 R G2 k - }
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