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。! e8 ?2 F+ }& U/ p
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' k, B: Z* L/ F1 L
- #include <malloc.h>/ K* ~0 J2 ]9 J' g* N# V
- #include <sys/types.h>
' F1 L: N4 ~9 \5 w2 x; R ? - #include <sys/stat.h>, k. k9 b/ L: {8 O5 k
- #include <sys/ioctl.h>8 S, ~4 ~' S/ Q1 J9 O+ y1 Y% n
- #include <stdio.h>6 |# T8 |, N" q, \/ i
- #include <string.h>2 b% j2 ^, e# }2 Y; w y* F
$ l& q8 Q2 J7 t- typedef struct {
" ^3 d, r5 H1 `3 }/ l1 A" g6 Q3 x - unsigned int e2prom_cmd_sub_addr;
6 X& a8 V, |2 Y; e- h - unsigned int sub_addr_count;6 S: M5 |5 ? o
- unsigned char* e2prom_cmd_data;1 I, F) l1 u# Q/ u+ j0 O$ }
- unsigned int data_count;% J6 \" y+ H! N9 f3 D
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1$ I* p; m: K8 l' o
- #define E2PROM_CMD_WRITE 2
" v) v% R/ c D& R& q8 b* U - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" t& h3 S3 u6 z
, P( s4 r& a7 V$ k# ^, K/ i- static int readparam(unsigned char *mac, unsigned char *stbid): f9 }1 Q t* H/ c4 ]
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- int fd, ret;- W( h1 V) f2 C4 X. M% \4 S
- e2prom_s_cmd arg;1 q: X3 p) U& k
- unsigned char buf[0x18];
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3 o g5 @1 Q( L4 c* ^4 ^9 V- fd = open(E2PROM_DEVICE, O_RDWR);. |0 Z! d9 ^5 \5 T; l/ `* Z" @
- if (fd < 0) {
3 r3 R5 f9 U s, [7 T/ J$ R% { - printf("Device %s open error.\n", E2PROM_DEVICE);
3 {9 Q5 A1 T8 V* _ - return -1;" `4 W( I* ?( {& i; f* R% }' U
- }
" a) m p0 Y- c7 w C+ n - arg.sub_addr_count = 2;5 G( ?& [ y5 d# f" R2 }
- arg.data_count = 0x18;: }5 S% o8 x; \5 A" v
- arg.e2prom_cmd_sub_addr = 0x290;
- ]$ b2 e+ P& l, l: q0 }, n7 A" ^ - arg.e2prom_cmd_data = buf;
: W% l1 k! J. h - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- z/ ^# a7 H( r$ q" \- D5 W) i, Y
- if (ret != 0) {
! ~; V1 N, ^# }0 K. s! N) u - printf("Device %s read error.\n", E2PROM_DEVICE);
" J4 D& o9 `9 e8 }6 B$ T3 b5 ~' m - return -1;1 Q3 s/ [: x2 I/ D+ M- N
- }0 x/ u% O9 e- F! ~' U; F2 B
- memcpy(mac, buf, 6);
/ k t5 }. d7 K6 Z# ` - memcpy(stbid, &buf[6], 18);
4 Z9 ?- ?& ~4 o4 Y - stbid[18] = '\0';8 p6 ?" y' W5 {. t# ~. w
) {3 p. [8 c8 a/ j- A) v9 u9 X7 z- return 0;" k/ f: {; P# }( C
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
0 V2 {7 a8 l% ]9 g: n9 N3 m - {
H3 F& K1 p! q, D+ ]6 B - int fd, ret;
+ A! I! Y& r9 [2 B1 h; \% W - e2prom_s_cmd arg;# I* b$ P+ Q9 i
- unsigned char buf[0x18];
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8 V j) K" w3 d- memcpy(buf, mac, 6);
6 E2 ?! z/ I" J) l6 ?' I y - memcpy(&buf[6], stbid, 18);
/ V8 y- s, @8 ?6 Q - fd = open(E2PROM_DEVICE, O_RDWR);
' B3 H* W9 ?5 @ - if (fd < 0) {
" D2 C, u( o+ i6 v) l - printf("Device %s open error.\n", E2PROM_DEVICE);% r+ _& w) Z; x
- return -1;! c8 l9 I% j. }$ B( j5 I8 L# }* y
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- arg.sub_addr_count = 2;
2 e: o) Q4 \$ \ - arg.data_count = 0x18;, ^& A5 I8 D; n" `# B5 r( K: H: t
- arg.e2prom_cmd_sub_addr = 0x290;
% O0 w0 h) q( b- G- D - arg.e2prom_cmd_data = buf;6 B2 l- M7 ?0 z" x
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);: U5 y7 h" L' @
- if (ret != 0) {$ }6 q" H5 X& w0 l2 J4 X
- printf("Device %s write error.\n", E2PROM_DEVICE);
" H+ G! c7 l, \, m - return -1;' S2 d7 f$ k2 ?4 z6 c4 \+ b( w
- }
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- return 0;
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- int main()9 M1 n9 \. w, Y
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- char c;( m; `# \/ |5 M! K# _* {4 `* M/ \
- int i, macs[6];; {( i( ~: }. D# n
- unsigned char mac[6];0 y! U! H: w( l" g
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
! W5 f/ [( W' L5 V# Z- I - return 1;3 ~4 f) O0 S8 M& d+ ]; K4 C
- / G) h6 E9 h3 } e/ |' n
- printf("Current parameters: \n");( Z, I; a$ t; R( U/ u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 S# i- g2 o! I; S) C
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");! J) |+ G- z. L; |; W
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
( C8 U4 e! e$ V - printf("Input MAC error\n");3 d5 t% K3 f2 U1 C4 Y
- return 1;7 x8 Q0 K+ ^, d% [3 x d4 S
- }' V- @$ k+ C. L9 w, O5 }% i# S
- for (i=0; i<6; i++)mac[i] = macs[i];
" t. |' _+ b/ x - printf("\nPlease input new STBID: ");, [: t/ D# r* L! J! l
- scanf("%s", stbid);8 }, `* z' K, v
- if (strlen(stbid) != 18) {
5 t$ z7 X7 R, ~4 w& |' j4 ^" v - printf("Invalid stbid\n");5 _+ N! H/ ]1 p. r! F
- return 1;( t0 [" c8 C# H% g( ~) `$ y* @/ J
- }7 a& X" J, S7 B8 Q% L6 ~1 u
- printf("\nNew parameters: \n"); Y' N+ {4 f/ }' |1 I5 u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);- t6 w6 d* F; `" T: @$ f
- printf(" STBID: %s\n", stbid);
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5 h4 o- h" b# W" t: e- printf("\nDo you want to change paramemters? (y/N) ");! E, ^, v# c* }& ?) L" A) \. V
- for (;;) {7 N7 L4 x/ j8 k! J1 g( P% s4 w
- c = getchar();+ R! S; }: t9 I$ p$ F+ J
- if (c == 'y' || c == 'Y'); I. I1 @9 N1 n B* z0 Y, t
- break;
2 `( u& b& y7 J+ j& e3 D - if (c == 'n' || c == 'N') {" w7 `+ M+ N5 F! z9 x6 ?6 J
- printf("\nAborted.\n");
% k; {, N# S. q: c7 H - return 1;* ?: d& @* J- p$ i7 R3 X# P
- }/ g3 H6 Q2 | z+ m
- }: a/ _2 @1 x5 g2 q' F P2 O
- if (writeparam(mac, stbid) == 0) - U5 A& G- q5 A/ b
- printf("Parameters changed.\n");* v3 @: J9 `7 J7 {& O: q2 i1 Y
- - ~ s8 ~) `, U7 U* s, C
- return 0;
8 F. Z' A+ u5 w% d1 b( e - }
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