本帖最后由 0522 于 2012-3-21 23:04 编辑 - { `- F# A( H5 g7 C
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修改的代码早有了。到今天不会编译。& j' w; A9 W: p! \+ z$ ~7 c
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>5 K$ v3 M T" ^7 |* d
- #include <malloc.h>. i% r. @' h4 |3 f5 c& n g) r
- #include <sys/types.h>
/ `9 `4 ^1 u0 ]0 e+ ]% W: F( R - #include <sys/stat.h>7 X3 z9 y: D' b
- #include <sys/ioctl.h>+ e( c$ L& M" B9 M" }5 k/ q
- #include <stdio.h>
' l# I2 N! n4 D$ X! T4 f- k+ q - #include <string.h>$ S" [- l' Z$ ~ u5 X. d$ N. }0 V) v
/ L6 A: h# y' d- r- typedef struct {
( U$ S0 i- Q' I3 t - unsigned int e2prom_cmd_sub_addr;1 c1 h8 R, Q( p6 U
- unsigned int sub_addr_count; s! p3 ^. E" J- `3 A
- unsigned char* e2prom_cmd_data;& K$ L- i, Q% b0 h, L$ I
- unsigned int data_count;
4 R0 q: I9 ~0 A; }% O+ r - } e2prom_s_cmd;! ~$ p% E/ f C' K- P9 U$ M
- 7 d8 V6 b0 u& J/ T3 a2 e
- #define E2PROM_CMD_READ 1* u m# w( G% ]! t
- #define E2PROM_CMD_WRITE 2# t: l/ o; `! s6 ~; q
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"0 p5 ^/ b1 v. j6 Z
- . U3 A( ~2 x+ q! n9 s, g
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;2 D0 [- f/ W4 i" r
- e2prom_s_cmd arg;
9 W3 ?* g. P3 h - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);
/ C B& u" U" u - if (fd < 0) {
7 C$ B6 A" h! p) w$ k9 v, _ - printf("Device %s open error.\n", E2PROM_DEVICE);
- [; F2 I3 {- o3 C - return -1;
3 w* t6 a5 Z: O6 Q B - }
" R* }6 u i/ M. e - arg.sub_addr_count = 2;
$ b* y- R9 a1 b5 Z T - arg.data_count = 0x18;
, i7 U. L$ s! t) z! n' K# g - arg.e2prom_cmd_sub_addr = 0x290;
8 f% H4 X+ o4 p9 t" J4 D' f8 k - arg.e2prom_cmd_data = buf; c# n+ ]" N, y3 w7 j y
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! U; G$ ~9 y3 V! Y2 _% t, Y3 w" @
- if (ret != 0) {* a. z( }# u' u0 s
- printf("Device %s read error.\n", E2PROM_DEVICE);
" k# D: K% @- D - return -1;% N' m+ `8 n5 K: p* W- E( Y
- }
7 X" f$ u5 u* d' e4 W - memcpy(mac, buf, 6);+ m( {* y4 a! b
- memcpy(stbid, &buf[6], 18);
4 ^9 G+ H' X) N2 k! O - stbid[18] = '\0';; c: Q3 X" H' Y9 b. r w7 H b, O
n- u4 s. t- @8 p4 [- return 0;
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5 b& S+ g' r/ u1 g- static int writeparam(unsigned char *mac, unsigned char *stbid)4 c+ ~- }% U7 _/ r/ g
- {
3 r! { i0 |7 R8 `5 A - int fd, ret;$ v4 \' R. F" S* b5 v
- e2prom_s_cmd arg;
% f4 i7 f% k6 [, J* S0 A) e' H* F - unsigned char buf[0x18];
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- e8 j0 B* f; u; U4 y) t- memcpy(buf, mac, 6);
6 ^( r1 `# Q7 w! _& j - memcpy(&buf[6], stbid, 18);5 d0 K" T/ [% T9 D0 q1 U: v
- fd = open(E2PROM_DEVICE, O_RDWR);% W/ @% r+ m+ }+ o, {3 ~* b! }
- if (fd < 0) {3 q( l% x$ R. n o6 e
- printf("Device %s open error.\n", E2PROM_DEVICE);
( w0 r5 }: e( ?+ \" Y - return -1;! }" E' f, h* Y4 H% L* u
- }9 j( a9 o* y/ P+ |: t
- arg.sub_addr_count = 2;
! K) f& c; n/ s; o. z4 n - arg.data_count = 0x18;5 ] n1 q- G7 J" p
- arg.e2prom_cmd_sub_addr = 0x290;* q/ w7 K6 b9 N! C
- arg.e2prom_cmd_data = buf;* X( M6 M- O x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 k; t0 P) q" @ - if (ret != 0) {
( H8 x0 F, L# r - printf("Device %s write error.\n", E2PROM_DEVICE); }' g7 e9 }0 u ?: z
- return -1;# M/ g: z! |4 h/ l3 @' |
- }7 h r7 J' Y/ ^! \4 s
6 M. m- w' ^8 A Q5 F- return 0;, }1 h2 z. ]8 Q0 L' i4 C2 V
- }
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' h3 I" b. ]( @% I& J; s- int main()3 }) |, K8 w& l* C6 v
- {% i- D' L) O) G( @; |
- char c;
) E$ r+ n1 y2 \ - int i, macs[6];/ Q$ {$ d* A8 h
- unsigned char mac[6];
1 Y# {# f9 m$ L* R, N6 L: p - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
7 U# j$ W4 b3 D, J1 s( | - return 1;
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- printf("Current parameters: \n");
" ?% a: T7 G# f. W+ G" h1 H% W; ~ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 ?; ]9 D3 Z. N3 W1 D - printf(" STBID: %s\n", stbid);. G2 @& X, Y/ d! Y
- 0 \( ]# \4 R0 R2 D7 g& e
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( p4 H9 c$ \- G& R* |/ o - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {7 z* W2 S$ Y1 F/ `2 |5 J
- printf("Input MAC error\n");
2 Z. a. ^! }; U& i/ U' _ - return 1;
) x) j/ ]% F/ y0 u - }4 J5 m& g1 B! h7 P' Z" ~3 [" T2 m6 {
- for (i=0; i<6; i++)mac[i] = macs[i];
; l. }' Y5 q7 y+ {8 a. I% k- a - printf("\nPlease input new STBID: ");
5 K% _. }* l* j) k; T* N - scanf("%s", stbid);! y0 s q3 D( Z) |1 [
- if (strlen(stbid) != 18) {# J- z% A( `1 @" g7 Y/ N! q
- printf("Invalid stbid\n");) L7 @& y2 @/ S6 v2 V
- return 1;4 f% q9 Q \0 t6 a
- }
, n0 O) U8 E4 y& t6 o - printf("\nNew parameters: \n");
. ~+ }4 r! u# k% W) o+ @. b9 I - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& s# q9 [2 x; ~/ i* z2 `( W: _+ ~
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");% Z) T: Q7 R0 b- y) k
- for (;;) {
# P8 P' \6 c' i - c = getchar();
/ e) }( r0 J- M4 c T - if (c == 'y' || c == 'Y')
, V$ P3 ^( s/ C$ c9 w0 B7 x - break;
1 S" Y9 v7 h3 q$ v8 L - if (c == 'n' || c == 'N') {
' V! G: k" j6 r - printf("\nAborted.\n");" Y6 D, g6 P& S& d$ F
- return 1;" P- Z1 Z8 R* ]3 B
- }
: |& {" j6 Q" m - }
( k' n1 g( q1 a7 m7 _ - if (writeparam(mac, stbid) == 0) 0 b. s6 h& ^0 c8 a
- printf("Parameters changed.\n");
2 W; K( J) j5 @. X/ X2 _ - # A) {8 p2 n' ^3 u* d' {
- return 0;+ m. Q. i9 ^, O7 [
- }
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