本帖最后由 0522 于 2012-3-21 23:04 编辑
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, D: ]; a: R" X* s& E修改的代码早有了。到今天不会编译。/ a# V, |/ d* _$ V/ X. S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
7 w8 g: z9 Q8 A# a8 h - #include <malloc.h>
# W& _( o! p7 ] - #include <sys/types.h>
) B4 A7 ]- s7 ~$ u0 v - #include <sys/stat.h>
. j& y" x8 p2 x; g. j( e6 L - #include <sys/ioctl.h>& c; |4 y& H+ T- t+ y) a
- #include <stdio.h>4 o1 |$ J2 j6 H) V4 i- R* M1 z4 q) x
- #include <string.h>1 ~6 G# ~5 E' K$ w+ B0 P5 K
$ v% B- B0 E# {- typedef struct {9 O: M5 F6 u C4 \: ` H" q
- unsigned int e2prom_cmd_sub_addr;: [, r. R+ }* f5 j5 \
- unsigned int sub_addr_count;( L1 u! t: N8 _) k$ A
- unsigned char* e2prom_cmd_data;
9 y+ @1 E. x8 D1 d* M) G - unsigned int data_count;
( W5 j2 m7 ]# h% S+ u4 i - } e2prom_s_cmd;
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% W- v+ I7 E7 |8 U6 h- #define E2PROM_CMD_READ 1
5 |$ m/ h; Y+ x - #define E2PROM_CMD_WRITE 2 A3 c7 d' N( p
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
0 y) F, [: }/ q+ f, K9 D5 {
7 o( ?& L9 n( M8 {; f# l# [, W4 H' G- static int readparam(unsigned char *mac, unsigned char *stbid)
& |( ^/ w: m5 n6 U% B5 S/ n - {
1 U; }, |, v! N: [' [# s - int fd, ret;
. ?% _; [( |. o5 X( l - e2prom_s_cmd arg;) ~ O1 p/ @5 U, W2 X4 ^% q% i
- unsigned char buf[0x18];6 b V( {+ H2 v5 a; N5 ?
- / g3 t+ s# B2 U; z" _3 W( Y
- fd = open(E2PROM_DEVICE, O_RDWR);( D. B) A' D' F# Z% T" g
- if (fd < 0) {
2 `( B9 k( s6 \7 f2 f, \ - printf("Device %s open error.\n", E2PROM_DEVICE);
3 b5 [* A/ \- e2 Z& d3 U: q9 k - return -1;# D% @( R) K. U0 J; Q" a
- }
5 _ y J+ A1 |% n ` - arg.sub_addr_count = 2;* ?) J. l3 B9 I5 O8 F$ @
- arg.data_count = 0x18;; I3 K, I2 u) p4 p) S ^
- arg.e2prom_cmd_sub_addr = 0x290;
' C$ ]* o3 b) i# N8 R& M% x. i* p- w - arg.e2prom_cmd_data = buf;* x% K. |+ k5 O& R( m" S6 V
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 w7 n: f5 }" h- E1 \" b
- if (ret != 0) {
8 C4 Q# }% E7 |0 n& E" C& ]: U - printf("Device %s read error.\n", E2PROM_DEVICE);+ `2 }- ~" V! e$ V
- return -1;, \; A0 e6 I. M7 f
- }
0 l, P, }0 Q$ e* M A3 j - memcpy(mac, buf, 6);" l/ K8 R6 U% @# `: D& u4 P
- memcpy(stbid, &buf[6], 18);7 B) F3 _7 `/ x+ o" D
- stbid[18] = '\0';2 F- o9 `5 E9 h) |! x( `% m
+ x5 [, C R& S d2 i- return 0;+ M# s; n8 p- y. g
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( ?1 E' K( p1 U5 b - e2prom_s_cmd arg;6 O8 ~ U0 C- A# g* ~
- unsigned char buf[0x18];3 r3 A' o- G+ l- V3 |; b% b; U
9 V6 p, [9 x+ i, E6 P; x2 i/ g- memcpy(buf, mac, 6);
n3 Q5 j: ` t - memcpy(&buf[6], stbid, 18);
, e! P( b: H+ `( x - fd = open(E2PROM_DEVICE, O_RDWR);
- s) n( i ^( u& j3 y8 o - if (fd < 0) {
$ v$ |+ M1 n3 c0 E* R - printf("Device %s open error.\n", E2PROM_DEVICE);
$ o6 n/ g* _* _6 E - return -1;( @/ n& V @: S' c
- }& u2 o0 l2 ?- W7 s* [) x' O
- arg.sub_addr_count = 2;
+ `$ Q/ V) d2 R; N: y - arg.data_count = 0x18;5 U! @$ E4 } l% i8 P* c5 o
- arg.e2prom_cmd_sub_addr = 0x290;
9 p+ j0 _1 ^& \ ?1 ^ - arg.e2prom_cmd_data = buf;, y9 q9 r( T( H) W1 E* m/ o7 u
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 B/ z$ H6 r1 X( e, i - if (ret != 0) {9 {# n" `6 a, M
- printf("Device %s write error.\n", E2PROM_DEVICE);
% q0 F0 G' Y# x& d8 l7 B3 ~8 C5 l - return -1;& d6 N2 t. @$ ^4 _* l+ p }
- }
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- return 0;
- t5 S, _0 p$ H) g M3 U9 } - }
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1 }- I0 g( _1 O2 {1 G- int main(), k7 ] M/ i8 ]8 n; e
- {
9 v) p0 N& q% v- P- P$ e - char c;
: {, u% M( U! F( B - int i, macs[6];
! g/ c! s9 x2 n9 i - unsigned char mac[6];
0 @5 u- g) o4 r8 | - unsigned char stbid[256];/ V- W" s0 G( h1 J; I% v
% t# F, d, c% y- if (readparam(mac, stbid) < 0)+ b$ u) Z! |6 c+ F9 g
- return 1;5 u3 Z1 ^! r& M0 V) O9 v, s4 K b
- ) ]4 s' _0 @# r4 U r1 `# o$ Q
- printf("Current parameters: \n");8 Q+ K. W# ~# y
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" ~9 j6 n6 i# H) t
- printf(" STBID: %s\n", stbid);
# I7 A* U1 U( f, t - 8 P, _7 r( T3 H: b7 b
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
7 z0 }1 k+ D: a. o5 W - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {8 l' P, R6 D/ L- Q3 ?8 m
- printf("Input MAC error\n");
1 e0 K) {' E# H - return 1;- k- s( \2 ?1 K4 V( u. U0 D. J3 e
- }: f" G4 Z7 T' m, t6 x7 b
- for (i=0; i<6; i++)mac[i] = macs[i];
) `. U k+ {# t - printf("\nPlease input new STBID: ");
* B1 c. n4 |2 V* c6 ^/ b- E - scanf("%s", stbid);
% a% b* t- J* C) Q% L K& { - if (strlen(stbid) != 18) {$ d+ r# ]7 L" z
- printf("Invalid stbid\n");0 l& p" o }5 o$ _! m" ?
- return 1;
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- printf("\nNew parameters: \n");
: y4 Q% Q- v# M7 m. a4 i8 y( E: `/ } - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, Q! X2 r1 U4 f9 N( A
- printf(" STBID: %s\n", stbid);
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l; ?4 p6 @3 L. s" L- printf("\nDo you want to change paramemters? (y/N) ");6 }$ y/ ~+ O+ R* p6 A
- for (;;) {9 z( D5 T, o5 i$ S: |$ P
- c = getchar();( [9 H! d$ X! p! g1 M1 y
- if (c == 'y' || c == 'Y')
- E ? d8 u) c6 x$ V% A' W - break;
1 D) J- F; b8 } m- n/ Z5 L# F - if (c == 'n' || c == 'N') {
* O7 v s2 ~/ [/ o3 P$ D - printf("\nAborted.\n");
1 P7 n- ~- i* u+ v4 |% r - return 1;- T* `$ V/ N' A- _) o& E/ A$ D/ v4 m
- }2 m: m7 _" M: l9 W; \! |+ H! [
- }6 E6 b8 j7 K) G4 B: N
- if (writeparam(mac, stbid) == 0) & m. v( w p4 I+ ?- T6 ]9 d8 S
- printf("Parameters changed.\n");. Q0 b& I- D# k6 p/ Y$ n
- 3 T8 J2 n; f- e6 z5 p
- return 0;+ D4 c4 U( ~8 H$ D% s
- }
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