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。
! j0 a1 g) |$ n8 A需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; T3 r# X( W/ a
- #include <malloc.h>7 O$ q- h" B( w- W3 p* Z. \0 w
- #include <sys/types.h>$ A2 {& n' {* H/ A7 Z2 V8 D0 `
- #include <sys/stat.h>
8 Z5 B( L; b, a- G5 y* I" f - #include <sys/ioctl.h>8 [ { j& k5 p+ B& b
- #include <stdio.h>
1 V$ j1 {3 g4 z1 P) k( f8 ] - #include <string.h>
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- typedef struct {
6 ]# ~3 ^! K9 L# w: i2 W; V - unsigned int e2prom_cmd_sub_addr;
9 d8 w4 C, O. {7 _0 ^ - unsigned int sub_addr_count;
4 N3 {! X, c' h( T; M$ S7 v4 N - unsigned char* e2prom_cmd_data;3 G3 J% r7 u. P/ F* R' T
- unsigned int data_count;
3 g* p. h; e* b+ h7 p( r. U - } e2prom_s_cmd;
2 P ^" x2 Y& _5 |/ ?* j - $ \# H, C4 l. w' X. b
- #define E2PROM_CMD_READ 1
8 h2 R( ?+ o* |: W5 o - #define E2PROM_CMD_WRITE 2
5 v: r8 j2 a; `1 Y& |' K# d U - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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# y4 @ H) W6 I# ^- static int readparam(unsigned char *mac, unsigned char *stbid): k0 F2 p# k9 }* p
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- int fd, ret;
9 ?, ~& D2 q, q - e2prom_s_cmd arg;
Y4 o/ N7 W8 s# T+ s! |/ a# \- K - unsigned char buf[0x18];4 w6 [/ C2 h, F/ P9 g
- 6 S. I; w4 O1 {3 G0 m
- fd = open(E2PROM_DEVICE, O_RDWR);' Q+ M; {3 U. O1 H d- x$ O
- if (fd < 0) {% N/ B& \, E/ o, J% Z: d2 i) g
- printf("Device %s open error.\n", E2PROM_DEVICE);8 T- R. a' ^3 o& P* T( q8 l" {1 o! G
- return -1;
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- arg.sub_addr_count = 2;
$ o \+ ?# \5 _% i - arg.data_count = 0x18;. [5 _9 l5 z& m6 G' m
- arg.e2prom_cmd_sub_addr = 0x290;
$ x' I- p% R W. a, }9 E3 K - arg.e2prom_cmd_data = buf;
- \+ q, ?2 |1 N - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# P h4 {9 [9 H$ c% n6 c* p1 r - if (ret != 0) {8 h# x) s1 }9 a: e( h! Z: C6 e
- printf("Device %s read error.\n", E2PROM_DEVICE);
# N1 d* c \' w( \) } - return -1;
* P4 A. M; a- G- Z - }. R, T5 N, L0 ~; y+ ~4 ~
- memcpy(mac, buf, 6);
- ^) T9 l7 l) f1 V, S$ [# ]# B7 g& b6 ] - memcpy(stbid, &buf[6], 18);
. T2 j7 N- I& d( ` w# t) B; R6 P. J - stbid[18] = '\0';
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- return 0; o" t% O X# W5 J& J) ^4 l. t
- }- I7 I7 `0 `+ j" C3 G4 h
/ v* P! T1 {/ i! }; ^- static int writeparam(unsigned char *mac, unsigned char *stbid)
4 L9 l# d5 g3 m - {# O' H: ~, w) K* O
- int fd, ret;
; U8 ~6 y9 r) h* }4 s- g( @- Q4 W - e2prom_s_cmd arg;1 \- z- k0 a7 z) v
- unsigned char buf[0x18];% |8 |. b7 s) |- A% ?
- 1 O7 b" ]0 v8 Y- b0 G" x
- memcpy(buf, mac, 6); c3 |0 C( v$ r! ]7 {
- memcpy(&buf[6], stbid, 18);
) V8 e3 m y+ w, G- A - fd = open(E2PROM_DEVICE, O_RDWR); D5 h8 l1 N* T6 s
- if (fd < 0) {
f- F6 j4 `( r3 q- G) n - printf("Device %s open error.\n", E2PROM_DEVICE);
* ?4 G$ M# `, L0 m. A - return -1;+ o; j2 h; p; x9 y( ?
- }
, a @; G# o+ S6 ^9 Z- S% o - arg.sub_addr_count = 2;6 j: q( _! ^' I: p
- arg.data_count = 0x18;' Z1 X h8 w+ o1 P
- arg.e2prom_cmd_sub_addr = 0x290;# Z. n" c4 A* `8 v4 y4 W) t, ^
- arg.e2prom_cmd_data = buf;
: u3 A+ [0 _8 S# o - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( v7 ?6 o6 J4 {$ j1 c7 L - if (ret != 0) {
; b; i( i' J: K( v$ ~: A3 p - printf("Device %s write error.\n", E2PROM_DEVICE);1 j0 n6 n! ^$ [, c& D' |; e- X
- return -1;# t( n; a+ z) S/ ^2 H
- }
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- return 0;2 G8 a' f1 {+ w1 q+ z1 e- F
- }
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8 k4 A8 t3 G; t) N/ H+ X* q- int main()
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- char c;7 ]: P: ^: b2 |1 Q& W T( e0 j; o+ W
- int i, macs[6];
- [( Q4 q& W, j. F) m. P - unsigned char mac[6];
: X9 H- A& a: V: M( T - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
8 G! N) r y$ _ - return 1;& H& d' j/ C5 I* J
- 7 _" G/ b) P# u" S
- printf("Current parameters: \n");0 ^# D4 ` X, k& E0 O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- @3 K) z5 J& I
- printf(" STBID: %s\n", stbid);0 x( ]9 \, \ r1 e
-
/ ]5 D/ t8 j/ ^" a - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, ^' d+ H5 [0 L* f: z; ?( }
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { J/ H" ?: ~* `% K) a' _3 l4 D- w
- printf("Input MAC error\n");+ _( p/ h$ S0 f: l7 _7 u
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];* M. V5 L; ?( w5 w3 y4 g; |' \+ B
- printf("\nPlease input new STBID: ");3 h% k/ ]" t; F- y& d" U
- scanf("%s", stbid);9 D0 h5 g& v b8 u+ W( v
- if (strlen(stbid) != 18) {
% z2 J8 A V/ _$ W/ @4 q - printf("Invalid stbid\n");/ H% u- J" m N+ A1 }1 p
- return 1;1 u& J9 W, C. x; @- i; f
- }' k9 f# N4 A8 \0 i; w( \
- printf("\nNew parameters: \n");
3 t7 e: U4 G4 Q$ J/ n! n6 \, p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" Z: ?: L: c$ T& G - printf(" STBID: %s\n", stbid);2 t% A1 ?1 F# w: d' K1 ]2 q! _ v
- ; @# d) f) x+ K: q
- printf("\nDo you want to change paramemters? (y/N) ");' k% ~ d5 _; _
- for (;;) {
( X, R. U P. j2 J - c = getchar();
; e7 L, u' M) Z1 n2 E' ^$ r9 p - if (c == 'y' || c == 'Y')9 y" w6 {& O2 P- F) x& D8 Z
- break;
* U8 |( f: |0 i/ F- U" R0 R1 r/ T - if (c == 'n' || c == 'N') {3 T( G5 V" V8 k
- printf("\nAborted.\n");
- x7 Q, Y8 m1 e) S - return 1;" t7 f) P I! M# l
- }/ u9 m; S1 w" j6 v# I" t
- }: G5 \ I/ D, m8 f
- if (writeparam(mac, stbid) == 0) % i2 k" @# E" X. T: k3 d3 X. N
- printf("Parameters changed.\n");) _) a, W4 m- l( A6 z0 v
3 h# w4 W! g4 h# P* a4 B- return 0;
- Q. Y+ H" `" M* }1 ^6 U) j3 V - }
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