本帖最后由 0522 于 2012-3-21 23:04 编辑 - |( O/ X' g/ J; R4 P& _6 G8 V
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修改的代码早有了。到今天不会编译。
% E) G+ m8 J! j& l# w$ C: I" b需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
* g: R& y& ?8 }/ m% I* n# ] - #include <malloc.h>( U1 ^! ]" ]" D2 s
- #include <sys/types.h>/ W% O3 \) S( F9 X
- #include <sys/stat.h>
) j! ~2 {( I6 m* s+ B" j - #include <sys/ioctl.h>
. q$ D# {8 W1 S* ] - #include <stdio.h>
2 e9 q7 C" b6 R Z+ u- d0 ^. j0 D - #include <string.h>
u( V$ J& ?8 L, H. q- C: ]/ e. S( G" ~; e - , p3 {' P" T" r; s
- typedef struct { K% o" x* t4 q/ |7 {
- unsigned int e2prom_cmd_sub_addr;
1 ]/ n* E% ?+ v - unsigned int sub_addr_count;
, d* d. r3 S/ R( y3 R) ^. D5 C; M8 _ - unsigned char* e2prom_cmd_data;
: \! u/ I+ R# l. l - unsigned int data_count;
3 k. V3 ]. x8 K! {5 ]4 J2 b) E - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1) V$ h5 @2 P. ^4 d
- #define E2PROM_CMD_WRITE 28 Y+ Q- x- H6 k+ M0 P7 t
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"6 A! o/ {! S( a" U
' n" j- P2 P6 X, j* k. @- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
( `5 b8 ?2 ~! r - e2prom_s_cmd arg;: V( l9 ^& y4 ?. |
- unsigned char buf[0x18];5 K' L) B& F) B- \' u; N0 x
- 5 P6 }/ T# A2 C9 s t9 x% Q& ~5 q
- fd = open(E2PROM_DEVICE, O_RDWR);
3 f% A" C- Y5 w4 J8 M5 f - if (fd < 0) {- \+ L8 g6 k6 `. y& ]
- printf("Device %s open error.\n", E2PROM_DEVICE);6 ]2 `9 \8 r5 }4 k
- return -1;8 i3 t4 f9 d/ y) X
- }7 x% e3 r0 d7 c
- arg.sub_addr_count = 2;- g2 D3 `# K B& ~0 O3 S
- arg.data_count = 0x18;) y4 y( ]5 P. B1 X
- arg.e2prom_cmd_sub_addr = 0x290;$ @! H6 R- C) C0 ~9 v/ S
- arg.e2prom_cmd_data = buf;! o) l$ A3 ]- ]& C
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) _( w3 {' u) o4 E - if (ret != 0) {
- Q( z' Y0 \% @2 L. F2 J - printf("Device %s read error.\n", E2PROM_DEVICE);, Y0 Q% E8 `2 Q. C7 i
- return -1;( I# b; t, c; R. q
- }
' U5 P( Y5 b5 _. G9 ?; q- ~5 K; T - memcpy(mac, buf, 6);
, `+ }' @0 b. A2 B8 K! ^/ F - memcpy(stbid, &buf[6], 18);+ g7 \; i" [; A `8 B) \' ]& {
- stbid[18] = '\0';
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/ u# O4 O* @: z; L7 p- return 0;6 |+ R+ I; G. w( Q9 L9 j0 ~, f
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X2 @+ d) F8 l. K4 m- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ s s5 D2 P; @" |8 L - {
' E4 Z6 S B; S. o! p; ? - int fd, ret;0 G, Y1 Y/ O' X
- e2prom_s_cmd arg;: |7 s# | G2 [# L+ k* }) f5 r
- unsigned char buf[0x18];. F0 K$ l* p+ ?8 Q/ B7 k; d" G% h: C
0 Q& K+ `1 z) Y! Y- memcpy(buf, mac, 6);& l+ \+ ~' V1 \' [! m z
- memcpy(&buf[6], stbid, 18);
/ M* e0 u) r+ I - fd = open(E2PROM_DEVICE, O_RDWR);
, J, O9 y& p, u; m4 O - if (fd < 0) {
& Z0 W8 R# r- k7 ^ - printf("Device %s open error.\n", E2PROM_DEVICE);
& F8 e/ ]5 L9 H! ^2 ^/ ] - return -1;
4 H3 A" J0 e" W - }
8 |1 @ \ Q9 H - arg.sub_addr_count = 2;
2 |7 b: H. g5 v c+ Y, L - arg.data_count = 0x18;2 z: {2 c, N$ b$ B% t
- arg.e2prom_cmd_sub_addr = 0x290;
& d0 ^5 @& Y7 \6 w/ g - arg.e2prom_cmd_data = buf;& a6 }2 d. l% q, [! V
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
1 `5 U0 W2 K* [8 g - if (ret != 0) { v7 x- m3 u; X+ k: c, Z. w; p
- printf("Device %s write error.\n", E2PROM_DEVICE);5 V8 e8 Y: R0 U
- return -1;
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3 U/ f, Y( P( k& _% P9 D& |, S% V) \- return 0;
% K3 f. W! m2 R+ V& S/ S5 K - }) L4 G; z# z% e5 q+ i- w2 p* Z) c
9 P+ [' r) V" b5 H- int main()3 L% R' E* m G' q: k1 d8 k
- {3 [5 B" a: O3 @- a: D( R4 p+ p2 o1 g
- char c;
+ [1 g$ @2 U: ^ - int i, macs[6];; a+ \) g3 M7 p1 u4 g
- unsigned char mac[6];
2 j5 y* F* O# i( y+ G6 } - unsigned char stbid[256];9 g F* }5 z2 J' h$ \
- - _! I4 B# `* T7 B7 N$ _
- if (readparam(mac, stbid) < 0)
- W: r8 U0 L% w - return 1;
8 |. F; I% z6 z8 s9 D+ ^5 H' Q$ e( x
) _1 }# J7 k& W7 ^- printf("Current parameters: \n");% L; C+ `' ~# D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- @( a/ v1 I; m" h- ~; K2 o - printf(" STBID: %s\n", stbid);
1 M+ y& G3 V/ e5 b+ m1 T - 8 u- L4 e$ c* L7 e6 Z. W7 @
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");% v+ b9 \( G K* o
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. u3 L7 ^1 e( v7 y
- printf("Input MAC error\n");. C. U# F( K/ ?
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];8 M1 H0 A* }8 V( m. t
- printf("\nPlease input new STBID: ");! J1 O2 T @( J: z; a+ d
- scanf("%s", stbid);
* o! P" s# ?4 Q0 p% ~ - if (strlen(stbid) != 18) {% }$ W/ U( J% \% N9 h4 n/ l
- printf("Invalid stbid\n");
8 F' U" X( ?6 i1 i2 ?* J& W8 u# h$ A. S - return 1;
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- printf("\nNew parameters: \n");( P6 S% m/ E, T' p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ c) S% W8 k! E+ z- L+ T' c/ L - printf(" STBID: %s\n", stbid);2 e( n7 \5 {; h% d
7 W' L; Q) q" d1 B( L- printf("\nDo you want to change paramemters? (y/N) ");5 {+ C2 M* ~5 y
- for (;;) {
+ m+ G" q) L4 w; C1 U. B$ R - c = getchar();. J" i7 Z2 K- f( R5 m0 z# ~# j
- if (c == 'y' || c == 'Y')
( p' @( Q3 ^" n - break; d# p. _+ f& [
- if (c == 'n' || c == 'N') {
5 K: o. o' y! F! q0 _ - printf("\nAborted.\n");
# d+ q/ Q) V+ |. w - return 1; R. G) ]. I2 `; a. z, j t7 L
- }6 s; G, P, @' O# e
- }
- x/ P$ d p0 }0 I9 u - if (writeparam(mac, stbid) == 0) 2 S% B) `& i3 D: n/ r
- printf("Parameters changed.\n");# b" h/ n, C5 g9 P5 @. O& `% e7 H5 F
0 U3 d1 B+ ] y2 f6 G- return 0;
! l1 U7 l9 ]2 a& V - }
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