本帖最后由 0522 于 2012-3-21 23:04 编辑 . V1 Z: P& b! R7 ~7 e
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修改的代码早有了。到今天不会编译。. k8 A# [4 u: p8 F. `
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>' n6 _# ]! h+ Z& M: F9 r
- #include <malloc.h>) b% ~3 l1 l1 |% A' J
- #include <sys/types.h>
4 a/ T* n. ? m- D- f3 ?* x4 A9 p - #include <sys/stat.h>3 ?, Z! J% }8 J4 h4 P% E
- #include <sys/ioctl.h>) @+ S9 Y8 D+ f! \8 T) ]
- #include <stdio.h>4 t# m- @ s2 s v# E/ W, {
- #include <string.h>3 u% c- h: u% D$ I1 M
* u& L$ |7 \1 C8 i, }" k- typedef struct {
/ h( s6 D, o& r4 ^ - unsigned int e2prom_cmd_sub_addr;
- f# i% I& U) }4 p0 Z" o d: a: F+ t - unsigned int sub_addr_count;
2 }1 t9 `0 k( I n8 R- O6 s* E* g. j1 e - unsigned char* e2prom_cmd_data;# g5 _! w: F& X3 r4 h
- unsigned int data_count;
- n( s+ Y- Y+ V$ A" p, d8 \/ [ - } e2prom_s_cmd;/ M0 c+ [ O, W# J( E/ U+ v! F
- r! H6 v2 T8 |5 e9 R4 ^1 w8 i
- #define E2PROM_CMD_READ 1
" s$ X$ U- X/ E. X, r+ r' ^ - #define E2PROM_CMD_WRITE 2
, _" Q2 }+ P0 c1 C$ K - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") X- f$ d( Y2 V% A7 x5 A* c5 k
- 1 c( h F' g! _1 v& @
- static int readparam(unsigned char *mac, unsigned char *stbid)8 d6 K. T- Q% I7 w
- {
' v8 e# z; d+ o2 d" D# ? - int fd, ret;
r. }6 Y% M9 z% @( N+ S - e2prom_s_cmd arg;6 p) E. l- A; N' C+ `
- unsigned char buf[0x18];7 s8 p) q \1 |) X8 V
4 S* p( \5 b/ r3 Z" G# |- fd = open(E2PROM_DEVICE, O_RDWR);
" `/ u. h9 m) O4 [$ c+ w - if (fd < 0) {
3 W$ {4 c; K3 h# S8 o' y6 X - printf("Device %s open error.\n", E2PROM_DEVICE);' h2 ?$ A' z3 t/ R, g0 Q; H
- return -1;
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- arg.sub_addr_count = 2;
- s/ v, }$ t7 y0 }+ d - arg.data_count = 0x18;3 H% X6 R& U+ w; p9 I+ L2 I
- arg.e2prom_cmd_sub_addr = 0x290;
# x, n9 m2 x1 @7 D; a7 E - arg.e2prom_cmd_data = buf;
, m* d, r0 y! |- M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);4 m# z8 F0 j, Q
- if (ret != 0) {, F% Q( E# m0 v2 O! f# ~& W. y5 T
- printf("Device %s read error.\n", E2PROM_DEVICE);
3 N1 b: i6 [2 H0 q- v( t7 s - return -1;1 M, Y) e/ R3 q8 W% y) j
- }8 Q1 e P' n2 x, _3 o
- memcpy(mac, buf, 6);% E* O9 A$ o% E; n3 [1 I" x
- memcpy(stbid, &buf[6], 18);
3 z) x5 X* k3 W$ a- W g3 X9 c - stbid[18] = '\0';" j6 f" b7 W ]/ c
5 |8 B. x; L% c( A/ J- return 0;
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- ' Z* {# F9 q4 u
- static int writeparam(unsigned char *mac, unsigned char *stbid)6 q& o) d, `% h& c8 A0 |
- {# x" [) v7 t% }. c, J* d. H2 n; u
- int fd, ret;
6 ?3 U9 a* f' |" {( {, @. v- n3 T' O - e2prom_s_cmd arg;
7 g$ U, h& i/ R. F! L n4 i" k - unsigned char buf[0x18];, d1 n. t( F7 y4 G; Z+ E- d
- " b1 e5 k& k- t! v) s, |& b2 z
- memcpy(buf, mac, 6); v. `) Z7 |. J8 | U
- memcpy(&buf[6], stbid, 18);7 {; Y3 A7 m; R7 k" Y
- fd = open(E2PROM_DEVICE, O_RDWR);/ q# D# G. u; ]/ d/ [3 o
- if (fd < 0) {1 Q' N/ I0 `. x" i
- printf("Device %s open error.\n", E2PROM_DEVICE);% @ I0 {% f; x/ D' V
- return -1;, ~$ o+ {. j0 B% k
- }
; F' B" O; Z9 k5 ]' d6 @) g - arg.sub_addr_count = 2;: b! n5 k: ~6 ?9 Z
- arg.data_count = 0x18;
8 c( G3 [9 q- B+ ^9 L- t - arg.e2prom_cmd_sub_addr = 0x290;8 Y. {. P) ^3 r/ o+ V3 I( p5 F
- arg.e2prom_cmd_data = buf;
" Q+ ~( ^! c9 P F& u - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 A2 u6 I1 Q: Q- v( u9 F - if (ret != 0) {, X" g3 ~# F* P1 y2 J
- printf("Device %s write error.\n", E2PROM_DEVICE);/ ?4 N! c4 C# |! M$ W" g) s% h
- return -1;0 v1 O0 X* W [% s) k* }& ^8 ^
- }
+ K- Z8 I- w3 b+ X0 O9 s/ g - % S7 e# }9 v0 B; a( \! B8 ?
- return 0;; M$ l/ ?2 _ e2 S9 A9 g' t7 S' g
- }9 g2 R/ y) A; M. u( R" K$ t! G* Y
- ! O& r1 U2 l/ y5 W. C+ _3 I
- int main()
, Z x2 Y& s6 \$ l - {
# s; S0 ~ w1 ^ - char c;/ m; i7 }0 b# }9 u, U
- int i, macs[6];
# W, b3 }6 n ~+ F& S - unsigned char mac[6];7 i$ O5 D" }0 E' W, P! O8 |* ~
- unsigned char stbid[256];. _; o6 F/ N. ?+ y+ f
" P, x, n" u' P F' k- if (readparam(mac, stbid) < 0)) m; H9 H$ P& q* a
- return 1;+ M. Z% w4 o3 G1 u% u! j8 V+ Q
- 8 c% _: g. }8 G \. w& @! ?
- printf("Current parameters: \n");& ^( J! t; I* |( ]) X
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);: s- g+ I- ^+ R! P
- printf(" STBID: %s\n", stbid);
5 s( j, c# T. M& V' t* S -
# ?+ ^5 N4 w! j - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
* k8 _% J. y- q8 p4 X/ g; A - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {) c; t( ~% x9 C+ ~4 P
- printf("Input MAC error\n");0 @$ `4 l" W$ W2 p5 E1 ]) r
- return 1;
( U0 ]( F) c" ~8 q - }
, m$ d) B4 ^1 Q7 v - for (i=0; i<6; i++)mac[i] = macs[i];+ w) U* G7 @& Z0 {1 X7 |/ g! N: @; K1 |: i
- printf("\nPlease input new STBID: ");% Q2 i) l: D! j q" j# r
- scanf("%s", stbid);0 f; I4 M- o3 `) i
- if (strlen(stbid) != 18) {
U; D+ d- o& }8 _3 @8 H" E! W - printf("Invalid stbid\n");" x3 t& u& Y" X! B- N
- return 1;
0 p5 \, o& S5 T- V) q - }/ I% B# a. J/ Q! v* a0 f+ y
- printf("\nNew parameters: \n");
: i, M# _0 C% Z! U N - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 k( \3 i2 L" {' Z5 R( c$ s" J - printf(" STBID: %s\n", stbid);
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$ P# f7 P# S0 A0 N+ }& B5 B& I- printf("\nDo you want to change paramemters? (y/N) ");! ?7 G! o3 m' K3 H6 e. U6 E
- for (;;) {5 Q7 M' g7 z8 T
- c = getchar();, K$ b+ [7 b' v1 \7 J
- if (c == 'y' || c == 'Y')
4 x8 J: D& {7 }$ W ] - break;. X6 S2 Q& K6 c- `) H
- if (c == 'n' || c == 'N') {% e( |* n0 P/ e0 C; l( u- F4 R* h$ M
- printf("\nAborted.\n");
I3 o2 s+ F2 z1 \9 u3 _ - return 1;4 G. l' w$ z3 d2 _; ^% e
- }
# g& Z8 P9 K& L. R7 t# ]8 A - }
/ V8 K& w' f$ k! z4 [ - if (writeparam(mac, stbid) == 0)
- K3 o/ t& v' D/ ? - printf("Parameters changed.\n");7 D% ^% I' ~! f) [: K1 b
; g, |" P" I g) p- m- return 0;3 L: x9 X# \& A2 H( i3 |
- }
复制代码 |