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。1 z7 s5 m$ E0 \, ?
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ K6 f' j0 U) j* b- y( a
- #include <malloc.h>& H* h# w+ V6 _' s2 i9 d2 p6 d% R5 }
- #include <sys/types.h>
- t4 ^. _7 ^0 m- [1 d* p' b1 W - #include <sys/stat.h>
6 ]9 q% x L, E1 M' ] - #include <sys/ioctl.h>' u$ n6 q1 V6 Q% X4 o+ N
- #include <stdio.h>
- A2 I+ T8 b- u2 [' U; o - #include <string.h>7 f9 w) {2 @8 ^3 C* V& X; w
- 9 V- I9 |2 I J9 x! M# T. s' j+ z
- typedef struct {
& c. N3 _/ @3 y- Y" e - unsigned int e2prom_cmd_sub_addr;
1 h' M4 j( P. ?) p - unsigned int sub_addr_count;, X1 O5 p* S9 }4 h3 G) J
- unsigned char* e2prom_cmd_data;
! e( g- R# S7 S4 _' b* V! Z - unsigned int data_count;) g1 f. H5 h$ N7 i( d3 R& i! e8 D; G) Q
- } e2prom_s_cmd;: ]$ r8 \1 x e- K9 s% ^" c# _
5 \, c o# W! J' h; D- #define E2PROM_CMD_READ 1
- x% d' A+ u' v+ m" m4 u - #define E2PROM_CMD_WRITE 2
$ d5 X0 v8 g( E5 v: u% \ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"' d) b$ o: f5 w) M' [; o
) O( w0 |+ E m- static int readparam(unsigned char *mac, unsigned char *stbid)$ t# R2 E+ ^3 I3 ~# S8 B
- {
/ _0 v2 O9 X9 o- w. J% Q" P - int fd, ret;
; W! ~# }7 ~% @0 R. V" ?1 S. n9 U - e2prom_s_cmd arg;+ u7 h5 {" n$ w6 a% s! n
- unsigned char buf[0x18];/ Z; D$ n% q4 H0 q1 \
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- fd = open(E2PROM_DEVICE, O_RDWR);" r1 O! n( Y% U) _7 g3 A2 A: H
- if (fd < 0) {
( }1 L6 N/ S- {7 ?6 s# r - printf("Device %s open error.\n", E2PROM_DEVICE);* L+ e5 t6 @# P1 ]
- return -1;; m U% f& O7 O
- }
+ o% {' V" G, o$ c; O - arg.sub_addr_count = 2;9 j7 U, f; E1 i7 X9 Z0 L4 v L7 D
- arg.data_count = 0x18;1 G3 X! D g1 U( S
- arg.e2prom_cmd_sub_addr = 0x290;2 _6 Q6 U& v( \% y! [
- arg.e2prom_cmd_data = buf;% Z2 K+ z9 ^8 u3 K
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
0 S8 E; R- {1 n) ~3 P+ J+ b - if (ret != 0) {
2 m' j: e9 M( I c% `. E6 q# T - printf("Device %s read error.\n", E2PROM_DEVICE);; t5 t) C- @2 v+ L
- return -1;
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- memcpy(mac, buf, 6);7 F. h7 H! a$ }- m
- memcpy(stbid, &buf[6], 18);2 \3 a, L6 w% N9 a# X
- stbid[18] = '\0';
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- return 0;
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7 U, q, C4 J0 k- static int writeparam(unsigned char *mac, unsigned char *stbid)5 z' E Y9 p, C" Z3 D5 ^
- {7 c) A# T+ A+ B! y1 \8 X- C
- int fd, ret;2 d( J) ^: K8 s1 c( B
- e2prom_s_cmd arg; b% d8 K2 M( k) d7 F
- unsigned char buf[0x18];6 t4 W# g& g8 j! S6 ]
0 D2 p, B9 ~: k$ O- memcpy(buf, mac, 6);# o* l$ M9 G" r$ S2 d7 X# z" s
- memcpy(&buf[6], stbid, 18);) M* p1 L# v) R3 z1 ]/ X$ y$ P7 Y1 l
- fd = open(E2PROM_DEVICE, O_RDWR);: u: F, `5 T. h6 J7 |7 |
- if (fd < 0) {( \- X! L) h8 R
- printf("Device %s open error.\n", E2PROM_DEVICE);' p& j: x8 l8 E O9 V+ R5 \- ~
- return -1;" M( q$ o% Z. r' \. ^
- }
! Y2 N$ D5 B& ]1 G - arg.sub_addr_count = 2;
! d& H4 J* y0 J- n0 q - arg.data_count = 0x18;
( s. Y0 M$ q5 K - arg.e2prom_cmd_sub_addr = 0x290;' {9 e. o! K) x
- arg.e2prom_cmd_data = buf;
3 L" G) V; l2 F; f- H& n, Q# Z& Y - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);+ C: H; r( |% J2 r+ _$ X
- if (ret != 0) {7 X; q' [: ?1 Z1 B: ^
- printf("Device %s write error.\n", E2PROM_DEVICE);& u i' ?% l) C7 h6 D9 }4 A0 M3 ~
- return -1;: O) T% [3 A0 i5 ^
- }
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- return 0;, l: i% }- k8 ?6 [9 g' k
- }
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1 u* J- \# ^; E8 r- int main()' Z8 R( Z( h9 p5 u6 q& W- t7 x
- {, H( B: c! D/ p0 m
- char c;
! X, B5 K: q; c3 o - int i, macs[6];
5 T. R! D$ g+ l. m* {" \ - unsigned char mac[6];" D* } Z0 B* @3 w7 F: A
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0), z- C/ c( d. [5 G8 \' }
- return 1;
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2 T3 I* f; w2 X+ o( d O% c _0 d- printf("Current parameters: \n"); g6 Z Q1 V0 [8 r0 e1 e; D; M$ K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 p0 U- R& d' u! f! `' e0 C$ o! R - printf(" STBID: %s\n", stbid);
, G2 B8 k+ v- _# G' `8 ] -
) m% c; i- u- c8 k* k& I - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");9 |$ w7 _+ x; x o6 I# N' Y
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
6 X3 F' V0 I- x4 f - printf("Input MAC error\n");6 J3 k2 j) c) s
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
) O) Y3 A0 Q4 f6 Q/ N5 k - printf("\nPlease input new STBID: ");
, {# M7 R; _2 H5 Q - scanf("%s", stbid);2 r; ~+ M/ J1 o
- if (strlen(stbid) != 18) {4 e' @- T* C+ I
- printf("Invalid stbid\n");
% y; x5 f' E, E# t - return 1;9 X; o$ w, |9 I, r* ^% z) z5 l! v \
- }* g- S1 q$ N, ~
- printf("\nNew parameters: \n");
! C# M; f; h5 I& X' F5 H' ?/ Z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);% ]" w+ c6 |" e' {& t
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");9 _5 J% ^4 N/ J8 y! h D; r, W$ i
- for (;;) {
! d) r/ C% v+ T, l - c = getchar();7 _$ I0 f% W) f. m. s! q
- if (c == 'y' || c == 'Y'), O4 Y& O/ E' D: f+ D; v$ }* y
- break;$ t F* |1 h4 Q$ J8 X4 t
- if (c == 'n' || c == 'N') {
5 h7 W9 \3 O J6 s5 C3 [0 _ - printf("\nAborted.\n");
! [) w* W# B1 z) L2 m - return 1;
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- }
# P' L) j, W4 n& ` b" _! ?* [2 H - if (writeparam(mac, stbid) == 0) " X3 H2 p+ v$ M( ?) A8 ?
- printf("Parameters changed.\n");' I9 E* U; S/ i: @. h! l8 H9 L
- 1 R0 O, R- d2 d5 ?7 \9 a4 I
- return 0;8 ^0 p* a( c* f: V) T" b
- }
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