本帖最后由 0522 于 2012-3-21 23:04 编辑 1 E* e7 i1 {" q8 D
! t' H' n4 p) i5 X" _! C7 h/ N修改的代码早有了。到今天不会编译。
3 ~6 R6 m/ `0 i9 J需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: @, i$ h3 X' h$ }: p - #include <malloc.h>& D# D/ H2 S% m" Y! Y
- #include <sys/types.h>
! |2 H. X. [/ R, t- S0 ` - #include <sys/stat.h>
2 |1 S- L: H5 ?: e8 ~; P( S q - #include <sys/ioctl.h>
! M7 |; ^) i& X0 f- |" d - #include <stdio.h>
7 ^# P: R/ U2 F/ s9 Q/ J# S - #include <string.h>
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- typedef struct { J$ @% I+ B" y( U3 s4 D. T
- unsigned int e2prom_cmd_sub_addr;
0 z9 D: ~) b( a8 k, G - unsigned int sub_addr_count;
% B8 G' x1 J, b: J7 a7 [+ M1 e. s7 ] - unsigned char* e2prom_cmd_data;
" I2 v' }! B+ m8 v$ e - unsigned int data_count;5 m2 B1 z! P5 D0 e5 f2 l" v7 V$ S
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
) u3 {# M- `/ E: Q' D0 ` - #define E2PROM_CMD_WRITE 2
k; d8 z6 Y5 A' \# L; }4 y - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"4 F& o: ^$ y( S+ I8 C% e
' F( q- d. }! o9 i- static int readparam(unsigned char *mac, unsigned char *stbid)
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% d. Q6 y& ^) E% {; g% {: R - int fd, ret;, t# q- b' n$ ?1 u y& O
- e2prom_s_cmd arg;4 H; C/ h. [* s* D0 a m1 O
- unsigned char buf[0x18];
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( T1 k8 ^: v" _0 |8 \% ]! G% P- fd = open(E2PROM_DEVICE, O_RDWR);3 h# J7 {. u1 Z% I4 P; f0 A
- if (fd < 0) {
$ j' c0 a8 b" W! ^% {. R/ s: n - printf("Device %s open error.\n", E2PROM_DEVICE);2 y: a3 ]- _" U1 G/ j3 G
- return -1;( L( \( a D" Z0 B, j
- }
7 r% ?& d3 D9 m- q4 p/ l+ { - arg.sub_addr_count = 2;
& k, Q0 p* L3 F9 G! J+ p - arg.data_count = 0x18;
8 r$ X* E" g- k6 j$ | - arg.e2prom_cmd_sub_addr = 0x290;
( K5 C# X W* f D) D - arg.e2prom_cmd_data = buf;
7 @! ~* W1 f4 G) Q - ret = ioctl(fd, E2PROM_CMD_READ, &arg);% A: q' d. g3 G2 l: v2 c2 L
- if (ret != 0) {8 m* x" E/ Z) _
- printf("Device %s read error.\n", E2PROM_DEVICE);9 z' X. D( |6 k! m4 l6 a+ i
- return -1;; s( p5 b( F" ?$ ~# d+ q+ v( a9 S
- }/ k; r3 U7 Y0 z$ u. \
- memcpy(mac, buf, 6);
/ S, _7 a' ]+ o8 s2 W7 i - memcpy(stbid, &buf[6], 18);5 W, b, C+ p! z) G
- stbid[18] = '\0';
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& n9 M$ o' \* \7 M" p- return 0;
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( `6 t c( L% A, s- static int writeparam(unsigned char *mac, unsigned char *stbid)6 @3 {+ {6 {$ G/ u1 t
- {
* O0 C0 `0 ~' a: Y - int fd, ret;- L' _" s( B2 |" K/ q
- e2prom_s_cmd arg;4 B6 \: ?: S; F. _9 Y4 F
- unsigned char buf[0x18];
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7 [0 D9 H# L1 ^5 @- memcpy(buf, mac, 6);6 Y$ Q' U) K' L* P
- memcpy(&buf[6], stbid, 18);/ @" P0 z1 c# [( d
- fd = open(E2PROM_DEVICE, O_RDWR);# u; ^2 H+ p4 a0 L- G" x. I; E& y
- if (fd < 0) { H9 N5 K- n" o) F' i
- printf("Device %s open error.\n", E2PROM_DEVICE);. w8 a+ W& m: P
- return -1;
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- arg.sub_addr_count = 2;
$ I# l4 R, J( v5 R9 t - arg.data_count = 0x18;" s9 A! ~, a4 m
- arg.e2prom_cmd_sub_addr = 0x290;
; `% Z% C% X! z# K+ T# o - arg.e2prom_cmd_data = buf;- Y& f$ _5 W& O9 o2 p
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
, C# e$ S1 N) c5 v: ] - if (ret != 0) {9 J4 J- k" e: E( ] }* D0 w( U
- printf("Device %s write error.\n", E2PROM_DEVICE);
6 z" @% _8 U- o# w& ~ - return -1;3 W0 y2 c/ x9 a! e1 ~ X) i
- }
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- return 0;8 s" [, o" u9 h. g
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7 B7 Y* b6 N1 N/ g$ H8 o1 M- int main()* c6 j, b9 o. g6 P
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- char c;% Q6 u5 c4 M2 v ]5 Z
- int i, macs[6];
' y% S& u" c. D, q1 ~- @ - unsigned char mac[6];
# f9 ?8 K2 N# p) h/ s - unsigned char stbid[256];
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+ k4 s* x$ i, t# O. d8 O0 i- if (readparam(mac, stbid) < 0)
# E7 \; i5 Z/ [ - return 1;; n3 j, x' X* r" X" t- O
$ h& u- z3 O) ~* r( k. B- printf("Current parameters: \n");
P" G6 M$ m! s6 m+ @5 y( P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);. _; p; |+ c* O) Y- e4 B$ L- @
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");6 U- u) Y/ S9 m$ N. F
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 N9 E) }; s/ k0 d H1 K4 L- W - printf("Input MAC error\n");
6 d0 c+ W8 c0 u" ^ - return 1;8 e3 b1 r: M; _& i
- }
# a* W1 P8 d7 w$ o/ P) Y7 z0 `+ m - for (i=0; i<6; i++)mac[i] = macs[i];
' G' w# ?. ~6 A3 y7 o - printf("\nPlease input new STBID: ");/ ?$ |9 T) J0 m
- scanf("%s", stbid);
6 v Q8 a( o5 [; W. Q9 J - if (strlen(stbid) != 18) {$ p* h8 B [( { J+ H+ Q8 j G
- printf("Invalid stbid\n"); S' t0 S8 p+ r5 n. o3 g6 U
- return 1;
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- printf("\nNew parameters: \n");% J! I" l) Q* L$ g% u7 E+ Y% Z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); w+ h. ], f% o% e# y
- printf(" STBID: %s\n", stbid);
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6 q" D! G4 q7 }/ u: h% U' u- printf("\nDo you want to change paramemters? (y/N) ");1 V+ r4 ~. M% I3 Z" s9 W2 z$ c
- for (;;) {7 `) w9 f% N! Y
- c = getchar();' _3 X3 ]0 {& x; p, b, }
- if (c == 'y' || c == 'Y'). u9 _/ L4 F( `6 m9 i- A: a
- break;/ t# o4 f; v2 i4 y% R. u/ K
- if (c == 'n' || c == 'N') {6 Y) o- s* T, M: d# |4 z& s7 \
- printf("\nAborted.\n");3 q+ H3 s" L$ z
- return 1;6 o; x& D, s! k
- }
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3 F4 R5 c+ v% `' W) C - if (writeparam(mac, stbid) == 0)
% |1 R& N1 G2 k/ e4 e) q - printf("Parameters changed.\n");+ ]8 i2 w: Y v7 A
9 x D0 u$ J2 n# h. j! O+ `- return 0;
/ j: l7 f: ?* f6 P - }
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