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。
, z" h9 K) @/ x/ q$ t6 C& y l1 Z4 K需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>2 G: ~) Y- l1 }, E. |8 Z
- #include <malloc.h>
) p$ U' g1 D- B& B# n- F - #include <sys/types.h>& I; I2 `6 f% E' T5 {# p5 b( }. m: R
- #include <sys/stat.h>
( S: I6 t$ l3 L" I! S! G+ X - #include <sys/ioctl.h>
# V. ` k+ |/ n; a* _ - #include <stdio.h>, T' o2 x( z; g0 f0 } n
- #include <string.h>& q* `; G& z7 Z# z8 _+ J
- 9 o4 y4 O' P- G- p4 d- K
- typedef struct {4 _, j* ~7 I& w5 g
- unsigned int e2prom_cmd_sub_addr;
0 O7 u% X& A1 U$ N- h1 n1 K! e E' z - unsigned int sub_addr_count;
% X# l: |$ i* w* y/ l0 ] - unsigned char* e2prom_cmd_data;
& y! E8 |' @0 G7 q9 U2 Z1 Q - unsigned int data_count;) v: x0 ^% @. t; W* t: f# [& G
- } e2prom_s_cmd;8 `! ]8 J1 O; G" i
- $ k8 y6 T- C8 h M
- #define E2PROM_CMD_READ 1
8 T. C0 N7 K* _2 e% ^ H! r3 Q7 S - #define E2PROM_CMD_WRITE 2
0 v; B l6 ]+ V$ |8 p - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"3 o! I- ?1 @$ c. s8 Z; [
- & s6 s( }% ?: ?4 p- a! D
- static int readparam(unsigned char *mac, unsigned char *stbid)
# J* ]* K. c2 c9 i - {
5 z# ~# {% F9 X7 } - int fd, ret;
% @4 b! `7 v- Y" t, B! n/ Q) [ - e2prom_s_cmd arg;
; A2 H0 j7 D4 ]8 W" p! ^& c4 G - unsigned char buf[0x18];
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% d8 h* t" L( Z8 H/ P- fd = open(E2PROM_DEVICE, O_RDWR);: A3 I* n9 l4 s3 K7 l
- if (fd < 0) {
% p8 h/ Y& y$ r8 j" ~$ S( @" k* v- T* _ - printf("Device %s open error.\n", E2PROM_DEVICE);
2 G9 I" p2 [5 N% k6 U% ?) C% O4 x7 p - return -1;
O+ I. `, B1 h% B: i - }6 }5 x* D1 w- U7 ?1 g
- arg.sub_addr_count = 2;
; J4 E* R' ]4 i) }5 n* c/ \$ G! D8 t - arg.data_count = 0x18;1 P) o% m5 z! U7 t
- arg.e2prom_cmd_sub_addr = 0x290;
: k1 f# }9 F- [" t' ? - arg.e2prom_cmd_data = buf;
$ B2 H- L: c: p1 o/ { - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) h: ]5 w+ L: X! n8 a: U! X - if (ret != 0) {7 F7 s3 ^7 u e4 a( \; _
- printf("Device %s read error.\n", E2PROM_DEVICE);5 u) u3 H6 Z0 a
- return -1;% Q2 s' y9 d0 @) r' u, t. b+ `
- }; \: C0 g2 N0 r' _( S
- memcpy(mac, buf, 6);
/ h/ C# F! ^1 ~9 ` - memcpy(stbid, &buf[6], 18);( }, T& |& g) c$ L, e) O! q
- stbid[18] = '\0';! J+ ^' P6 K+ c8 B9 N3 x
! b' D: V! C- `4 d- return 0;; \4 ~, x7 Q+ v! j8 ?" b5 T
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
- L0 W; x1 ]- b9 \6 d6 N - {
- s" U5 y+ Z) I2 R) r* o1 N# N - int fd, ret;" s6 ]2 p' x! _
- e2prom_s_cmd arg;
8 i3 E& U, {, C1 D - unsigned char buf[0x18]; q: n: z' b" ? Y& p
- : w0 r* ?- e* c, ?* N
- memcpy(buf, mac, 6);
1 p5 C% J+ y. m - memcpy(&buf[6], stbid, 18);( V) {& _# {# V: f; M
- fd = open(E2PROM_DEVICE, O_RDWR);
& R+ j# p2 b3 Z% F- | - if (fd < 0) {9 n6 P& y( j, o" l6 C0 O
- printf("Device %s open error.\n", E2PROM_DEVICE);5 \! ]8 K' `1 U# x G
- return -1;
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- arg.sub_addr_count = 2;+ ?" k% F/ w: z6 G0 `
- arg.data_count = 0x18;
+ a' v0 | R( _. H/ u i* T - arg.e2prom_cmd_sub_addr = 0x290;/ J) q& I, F& Z( ?
- arg.e2prom_cmd_data = buf;
1 |, ]( W/ {6 f% r5 } - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
" e; ]0 g3 @0 f g - if (ret != 0) {
' ]' B9 v& ]) Z& o8 d: H6 l - printf("Device %s write error.\n", E2PROM_DEVICE);; ^. N7 X, p \1 N
- return -1;9 E( g8 H' ?+ `
- }: {9 X( Z+ E( N& }/ P! C
5 I/ y$ V3 u! Z$ y& s- return 0;- Q+ x& B* F$ u0 s# a0 K) n
- }
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- int main()
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- char c;
& x: p8 I. d& c. {, U! p; z - int i, macs[6];. `+ O/ B4 v; `2 O) U" E
- unsigned char mac[6];6 }' v5 m% Z w
- unsigned char stbid[256];$ E! u. c/ R$ z# O+ z& p
- ) ]- h. ]# Y9 Z2 w2 ?+ b
- if (readparam(mac, stbid) < 0)( V, a% ?3 G, K n0 G- w
- return 1;9 \: h' }: m j" p# E" v$ e/ Z! _
- 0 ~! {) u' O) P3 K& t% y
- printf("Current parameters: \n");" k5 R/ X- d, |, v
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);1 Z" o9 F4 C0 Z+ s5 b; E
- printf(" STBID: %s\n", stbid);
& m5 l+ t; L* }3 f, W. m1 } -
" }' E* j5 T& _% x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! P$ ~8 v% ]- l8 P0 B6 ~8 U8 D
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
7 F9 ?* r* d4 @ - printf("Input MAC error\n");1 I; }+ n" Q: C: M9 U5 _
- return 1;
: m* Z- ~. @* R6 [ W1 R - }
( H7 g$ r1 `/ ]* g: B - for (i=0; i<6; i++)mac[i] = macs[i];
" p& l. ~6 X7 { - printf("\nPlease input new STBID: ");; [+ S- O0 _' u( b: p
- scanf("%s", stbid);
, f6 S1 z! P0 v! y! X% o - if (strlen(stbid) != 18) {
: l0 O: g v/ _& C" V+ o/ ] - printf("Invalid stbid\n");
) Z! |/ H. t' V1 E0 i3 K - return 1;
# U. J4 u( @+ s& l- r - }
( D8 X) h& j" H" b0 V4 w - printf("\nNew parameters: \n");5 u+ a* u/ j0 E8 X x' h% K0 }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: d2 u% _$ m6 k - printf(" STBID: %s\n", stbid);
/ @( q/ \0 x# ] n
{; [% W6 x6 ]- printf("\nDo you want to change paramemters? (y/N) ");) v1 E& |) i' ?$ Q- ` }7 H
- for (;;) {
- g/ q6 z; M# {9 O/ L+ c. u9 o - c = getchar();9 ?2 q6 K& X) I% q# a
- if (c == 'y' || c == 'Y') z' ]$ x8 l- \4 G/ s
- break;. e H4 O1 [2 r T1 r/ ~, s( T. T
- if (c == 'n' || c == 'N') { w9 ]4 x7 C; z4 P
- printf("\nAborted.\n");
& I& h& q! V$ D& J$ k5 x0 D - return 1;8 H" k3 P* e5 l/ Z6 j
- }
) T |" W5 u& ?+ e, X4 U - }
. c3 C! j! M u; G1 V% }7 `4 [8 ? - if (writeparam(mac, stbid) == 0)
5 h; V" |: r7 `; i! Q }; i - printf("Parameters changed.\n");# n5 p! R4 _. w. A
- . E. m- h( X, f0 a
- return 0;9 ^0 M! |# t4 i$ M# b
- }
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