本帖最后由 0522 于 2012-3-21 23:04 编辑
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' k0 }9 _4 d' s$ G# X: |# M修改的代码早有了。到今天不会编译。
' M: ?/ O( N4 _需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# B) b2 X0 e j! H9 {0 a. ^9 R - #include <malloc.h>
# j4 O) @- E. A6 b5 l) M - #include <sys/types.h>
1 } q% Y4 X, P) `7 }5 N - #include <sys/stat.h>4 E- _6 B6 M( r& j& o/ R* Q
- #include <sys/ioctl.h>
; C% O6 x# b& J+ x- \, E - #include <stdio.h>. f/ ?6 B8 W7 `3 `. e8 `
- #include <string.h>
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- typedef struct {8 O" }! M5 J8 C8 E3 R
- unsigned int e2prom_cmd_sub_addr;! |' q2 m' \. h# R3 |
- unsigned int sub_addr_count;0 J% h9 O+ S3 T' j" T0 C
- unsigned char* e2prom_cmd_data;
; Q' ?; W3 V- M - unsigned int data_count; a4 S! p1 I1 p
- } e2prom_s_cmd;
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, o: _: \( B2 u# F, d1 Y3 P, q' Q- #define E2PROM_CMD_READ 10 _' R: x M9 E u
- #define E2PROM_CMD_WRITE 2
+ K W3 O8 N4 R* c! l, N - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"9 Q/ T+ z! ^6 Z" o$ F1 v
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;; ~( S9 }) v' p# p: ~: }; U
- e2prom_s_cmd arg;0 s6 n+ i3 W7 Y- b( `# ]! P
- unsigned char buf[0x18];2 P9 [" _4 b& g3 O6 [; t
- : N! @! J, {9 y; \4 L$ e) L5 i
- fd = open(E2PROM_DEVICE, O_RDWR);; m% P: a+ H3 d
- if (fd < 0) {
9 Q% Q' d4 { Z! B: U0 d$ G1 a, w - printf("Device %s open error.\n", E2PROM_DEVICE);
/ s5 C% W5 v% [1 {- p6 `% U& g2 P - return -1;
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- arg.sub_addr_count = 2;
C( C: p) {9 w( w% \4 C3 S - arg.data_count = 0x18;
) `0 w, o: J( a6 C p( h* K7 v+ J; i - arg.e2prom_cmd_sub_addr = 0x290;
2 L+ A5 J# S- z) `0 H/ B - arg.e2prom_cmd_data = buf;
1 u( R5 `" G4 C; l - ret = ioctl(fd, E2PROM_CMD_READ, &arg);7 `# L5 R% @4 R3 a3 _" B
- if (ret != 0) {
/ g$ P3 Q% @& A; K. I8 U - printf("Device %s read error.\n", E2PROM_DEVICE);/ f! y! o$ P/ g- |4 s7 M
- return -1;
8 k" z% M9 P# H- o# l8 q& n - }
! |! i1 H- K& T# K6 y3 R - memcpy(mac, buf, 6);) h- C$ ^' q' s+ T, [% D% }
- memcpy(stbid, &buf[6], 18);- b4 o: L% f. |8 j% G ?
- stbid[18] = '\0';5 Z( ~ E# F, e; T
- 9 N3 X3 x5 v/ q! p) U3 `
- return 0;$ `7 Y5 a2 V- i/ o* H
- }4 h7 p# J2 E) r: t$ P' \
3 V; O& D: P0 t- c3 [3 L, j- static int writeparam(unsigned char *mac, unsigned char *stbid)
. U. C9 U$ X, e+ D# Z8 E0 h0 c - {
% ? R3 j& d7 I" @, ^ - int fd, ret;
* a3 A% f# W2 w" S, M* P - e2prom_s_cmd arg;
. V* e# L, s- X) p1 G$ V( E- Y - unsigned char buf[0x18];. B. O* V9 y2 ^( N: `. k
1 t/ v o' B8 \& s0 Z- memcpy(buf, mac, 6);
2 N% o- v. K. @- ?( o3 V1 u - memcpy(&buf[6], stbid, 18);+ m) k9 D, u/ B% k) w6 }$ X
- fd = open(E2PROM_DEVICE, O_RDWR);
5 p1 l* n+ h7 O3 _! b - if (fd < 0) {+ U! s+ b' C+ c3 S
- printf("Device %s open error.\n", E2PROM_DEVICE);
3 Z! ?: d3 }7 M - return -1;% {$ y1 d, c& [: s
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- arg.sub_addr_count = 2;. n8 X: D' Y$ s( p
- arg.data_count = 0x18;* H, W+ i+ R3 f1 Z n7 X1 c5 W6 C
- arg.e2prom_cmd_sub_addr = 0x290;5 t4 z7 c. M4 U: V$ C3 _
- arg.e2prom_cmd_data = buf;# w, A6 D4 L2 o% c L: J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
. O# a- }- h& I+ l8 {$ Q" k9 _ - if (ret != 0) {
9 z# U e' e2 K+ Z/ O& q% [5 A+ g h - printf("Device %s write error.\n", E2PROM_DEVICE);
- ]6 [( _; E+ I3 O6 h- s; f$ h+ U - return -1;
# A5 a; L* _4 b! O( e0 b* ] - }
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+ O8 I' u d* A# e' t- return 0;
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! Q9 s$ @+ @/ `9 B- int main()
# _. ]7 Y( d( V - {0 T) g9 i# ]7 t9 C
- char c;
+ B8 N# d0 W) ?' M* r8 q - int i, macs[6];
- W S t% o& t( Q l- N - unsigned char mac[6];
1 ?% O9 y) t4 Z* @ - unsigned char stbid[256];; X, H3 V! T+ ?# E1 y' F& Y2 _
) `% o' {$ J: G* V3 w8 Z8 c- if (readparam(mac, stbid) < 0); T! V1 A% l! R* }) k8 r$ b
- return 1;! Q: t) N9 V8 N$ W4 s1 k
6 X$ C, d2 _. a- printf("Current parameters: \n");6 t( R7 H* ]/ ?* P6 i
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
8 @* _1 P- T# c4 Y& X2 ?0 w - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
2 U% e+ y3 p! O) G( P, i - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
# H+ v5 n* g% R- A/ n) B - printf("Input MAC error\n");, `) r# \- u, D0 D- k
- return 1;9 z' R; n' R" ]" `2 F# O8 b
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- for (i=0; i<6; i++)mac[i] = macs[i];
: I( l) g, F, w: X/ q - printf("\nPlease input new STBID: ");' c* r! `: J! x* j5 w* q
- scanf("%s", stbid);
1 J+ d% s- z3 v0 f* e6 } - if (strlen(stbid) != 18) {
) z$ L2 l& i. v( D1 R - printf("Invalid stbid\n");5 m* r8 f* ^( U3 D( ?$ t( }
- return 1;6 h* D: T: V( J1 x% z7 X' B
- }
! H8 x/ b9 v# Z' D+ Y9 ~7 k - printf("\nNew parameters: \n");# K/ A8 \( M) m" t4 X6 }
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
^" ~. U* L. F$ J1 [* V - printf(" STBID: %s\n", stbid);' |) j7 W; [1 n/ ~0 A' B( M9 @
- ( a3 m1 F' }1 g
- printf("\nDo you want to change paramemters? (y/N) ");9 \) m$ \0 k0 a* h9 Y8 r
- for (;;) {& z( q; e& [4 w; j1 ]/ [2 Q/ l
- c = getchar();
6 e9 z5 f9 p& T8 V8 Q; u - if (c == 'y' || c == 'Y')
- X" H: S4 r$ \6 ^ - break;! Q4 V+ U# {5 l4 S, s1 l$ I' S
- if (c == 'n' || c == 'N') { f& D& X- N7 G6 I
- printf("\nAborted.\n");
?1 I" D2 h0 S/ c3 z/ d3 U; D - return 1;5 X& _( o5 L: l0 r6 I+ `
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- if (writeparam(mac, stbid) == 0) 2 K- S: {) ]+ X! H# |0 t P
- printf("Parameters changed.\n");: m: V& n& [ `$ ?# Z i, c6 X* U
- 6 G2 t) S: g# J! {9 g
- return 0;
: \* I5 B) x. R - }
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