本帖最后由 0522 于 2012-3-21 23:04 编辑 ; q9 G" w* P ^1 R4 ~$ ^) }
/ Y; N0 r0 n7 A修改的代码早有了。到今天不会编译。3 x! E' E) T9 @- E0 W2 \2 D+ Y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# O3 R* s e9 o1 P5 f2 a2 j - #include <malloc.h>
- x! F; G$ f6 {. {) a - #include <sys/types.h>
7 T* b! q7 w H* T$ b4 { - #include <sys/stat.h>
( M& c& C9 n. @3 r* U - #include <sys/ioctl.h>$ |! A# {6 C7 Y' X" ~. |( m; R
- #include <stdio.h>
$ t) G4 r9 R- s5 [ - #include <string.h>
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- typedef struct {
) g8 j* i( I# u6 g6 E - unsigned int e2prom_cmd_sub_addr;4 e- O0 c) y6 x- R9 o: z0 E
- unsigned int sub_addr_count;7 J7 s) F- D! w! c5 t8 d& |
- unsigned char* e2prom_cmd_data;
2 M2 |7 s5 b# A. K - unsigned int data_count;
$ X0 d! n N9 Y9 t( D5 E0 W, E - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1, F5 S9 X7 b5 o* Q
- #define E2PROM_CMD_WRITE 2. u& I5 O" |! \7 y- j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
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; U$ [$ X- d& J) f4 B - int fd, ret;, B) `+ ?! \2 o7 I6 v
- e2prom_s_cmd arg;
. `0 e8 B9 C( s# U$ A' E) T - unsigned char buf[0x18];4 I4 C4 b" [1 |- {0 a1 P: s
0 l8 X' P0 t$ W; V1 K- fd = open(E2PROM_DEVICE, O_RDWR);- p$ T; h7 W0 l
- if (fd < 0) {% N, F' b- L0 { L
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ f, q) F% ^7 w2 f - return -1;
6 d1 A3 l- f) E! ~$ v. a/ a - }4 O1 C) |( B8 Y2 j& Y! z( F
- arg.sub_addr_count = 2;
7 A) h! D4 P8 O9 S) g! d$ k - arg.data_count = 0x18;2 q" U1 Y+ J) F! r& u6 q
- arg.e2prom_cmd_sub_addr = 0x290;$ `( T. R9 C9 `0 X8 f; q8 x+ f
- arg.e2prom_cmd_data = buf;9 L' ?/ w/ e2 }: z3 I, Z) E. Z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# G$ \6 I1 \4 b1 f/ v" x# U - if (ret != 0) {( @1 J) @, X& N$ `2 o8 z
- printf("Device %s read error.\n", E2PROM_DEVICE);
+ }2 q5 d' L7 Q* \6 T& x - return -1;
/ K1 t/ E; B) s4 b( { - }
Q7 R( }/ R7 m - memcpy(mac, buf, 6);! w3 |1 L3 l& A$ \3 Y
- memcpy(stbid, &buf[6], 18);2 [7 @6 C7 w4 e E- n
- stbid[18] = '\0';
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- return 0;, [" m$ r7 ^, f# o% X% ?
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)4 ^7 P% [) z: z1 _, D1 R
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- int fd, ret;& N3 |& x- J' [- ^$ y& j$ \* Q
- e2prom_s_cmd arg;
8 ^: y) p; _8 I6 k" X% Z! S. J( k0 ` - unsigned char buf[0x18];% R) ~/ i" |' F3 H7 J! r5 ^
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- memcpy(buf, mac, 6);- g, L6 y# s0 A. x2 {
- memcpy(&buf[6], stbid, 18);, \ y9 n; |& T) {
- fd = open(E2PROM_DEVICE, O_RDWR);
# H( |) _1 s" `$ Z$ F: r9 U, K - if (fd < 0) {$ v+ Y( ?0 Y1 N, k& G
- printf("Device %s open error.\n", E2PROM_DEVICE);& m* B4 `. ]' U, l
- return -1;- N7 ^0 o7 B2 l' a" n
- }- l) y: V5 c& l$ M" |+ F; f% l
- arg.sub_addr_count = 2;; j+ @1 X# y- Z$ i( l7 Q
- arg.data_count = 0x18;
+ }" w! Q; _0 u - arg.e2prom_cmd_sub_addr = 0x290;
; a* q, d! [; u; m, m- Q - arg.e2prom_cmd_data = buf; i+ U5 Z, N8 q* \$ \7 y/ O) p
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 i& s# V4 |) e8 x9 p ` - if (ret != 0) {
: A& r) L* g q: a2 K. V - printf("Device %s write error.\n", E2PROM_DEVICE);" s& i+ `1 o+ z. y4 j5 l
- return -1;( y. ^; B4 L7 r
- }
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$ t9 v/ R. z' u- return 0;
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1 D8 u1 Q2 M7 G1 ]$ Z9 o7 T- int main(); b. f2 R0 d+ c2 @4 D. m
- {$ _ q; P7 Q2 ~" Q9 _+ c
- char c;
3 u+ X$ L) r3 b$ |) C1 P$ l4 r - int i, macs[6];
- k! @. s; \7 y2 a# N& ?7 S - unsigned char mac[6];
5 c6 p, U; x4 u& @ x+ n - unsigned char stbid[256];* H2 a H) r- m
# B8 s! L/ B# ^2 L$ N R1 w; p- if (readparam(mac, stbid) < 0)# {5 {- }$ R% {2 S& R& p
- return 1;2 A$ @2 l; f# e7 t1 y! G7 P
: @, A, D. i/ h3 L7 t5 a- printf("Current parameters: \n");
; R, @: N8 J0 @ - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% v* ^1 T4 ^$ [* U2 d/ r S; R# D
- printf(" STBID: %s\n", stbid);5 k; i o3 q2 ~. K, b3 V
-
+ N6 j9 t( Z* i1 J5 Q/ q( M | - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! i" W+ m1 X. [$ [ t
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 _6 S2 s5 j( k5 i; C - printf("Input MAC error\n");9 _& V1 u B0 ?5 `. x& E
- return 1; d' [' w" E( u
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- for (i=0; i<6; i++)mac[i] = macs[i];) v6 R E1 Z( `9 k
- printf("\nPlease input new STBID: ");
( k8 ?& K+ I7 V3 O( n8 p+ h - scanf("%s", stbid);
6 d1 `' o! M" d/ Z- z5 M/ ], A3 g$ d - if (strlen(stbid) != 18) {
0 T* q7 \& s" X/ j* U3 j3 L - printf("Invalid stbid\n");
7 N, D9 _* c% B$ a: c - return 1;, _! W! K% J+ s- n7 v9 l# X" W' W
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- printf("\nNew parameters: \n");0 y5 c" J) _. O1 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 L( F, \5 n1 c) J3 p0 E
- printf(" STBID: %s\n", stbid);9 I8 ]' ~ @* y( l* L2 I" p6 P5 u
9 U' B! F$ r+ m- printf("\nDo you want to change paramemters? (y/N) "); N D& T+ ?" S& H' o' K; {0 h
- for (;;) {
9 A+ Z' x7 G1 k6 w5 S8 Q5 \5 n - c = getchar();" M) h8 y" M& K; x
- if (c == 'y' || c == 'Y')! H# o: m7 X8 I& `
- break;3 R W( ?( U+ ]) z1 M) }9 Q5 G
- if (c == 'n' || c == 'N') {$ d" E q/ g( {- u9 ?
- printf("\nAborted.\n");
. w1 z, ^$ H Q/ Z- A" F2 y - return 1;) Q% _: @( a8 [2 w7 \
- }
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- if (writeparam(mac, stbid) == 0) - k5 W( m& Q$ N, _9 y' u' X
- printf("Parameters changed.\n"); {2 s/ q/ s, |9 K$ Z% ?
- - M7 D$ d! G4 l" j
- return 0;
9 ^# X; Y. ~0 K5 L - }
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