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。
* S/ `8 E7 a* x# b. Y* ~5 x需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>7 ?2 v( e/ p! Y) Q
- #include <malloc.h>
4 ~( u) E9 }9 m( o- ]+ U" | - #include <sys/types.h>
2 [9 L; }/ `6 x - #include <sys/stat.h>& C, B% B, t4 P+ O6 _
- #include <sys/ioctl.h>+ T# y4 p$ {+ x' y1 Z! v6 ]+ v
- #include <stdio.h>) H, j, H& g3 \. i
- #include <string.h>& y5 ?" [; L) `" {0 R% d. O
- # M# ^: S6 H; j& u q( u; T
- typedef struct {2 M5 y& k4 Y; `7 q2 x5 I$ C8 o
- unsigned int e2prom_cmd_sub_addr;
1 Z) f% `; @- [( g! w. N; F - unsigned int sub_addr_count;& z8 d( F2 m. b/ s+ Y% j- o
- unsigned char* e2prom_cmd_data;
% J" m; H1 ?/ j6 } b- b - unsigned int data_count;) M4 a s, ]* Y+ T
- } e2prom_s_cmd;. |2 w8 S$ `. P2 I3 s0 W2 `
, V% T5 r8 C9 T& u0 z- #define E2PROM_CMD_READ 1
$ z4 \$ Q! F7 x" u - #define E2PROM_CMD_WRITE 2: c! U; P: c7 S: F; V
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"- M/ B8 l' z b
; {- O9 R7 h) K; [; w7 B4 {) s- static int readparam(unsigned char *mac, unsigned char *stbid)# C& T0 Z2 B2 f2 D( O
- {7 c7 E+ r6 E, Y
- int fd, ret;
6 t: o& N7 D- a B - e2prom_s_cmd arg;
: {: e3 n! f* p- \( q; I" m - unsigned char buf[0x18];6 y, t0 f0 l/ a+ F3 i
! P2 T% J( U, J- fd = open(E2PROM_DEVICE, O_RDWR);; m( n9 }9 ?4 s8 Y3 C$ V/ x5 p/ i8 s
- if (fd < 0) {4 J" f2 A+ d4 I0 G9 x
- printf("Device %s open error.\n", E2PROM_DEVICE);' G( e# ?; s- N2 v4 Y) ^
- return -1;. T v/ Y; a8 g3 _
- }
+ w& t) o; j9 m8 y. V - arg.sub_addr_count = 2;
6 j I5 `/ Y$ g& n! F - arg.data_count = 0x18;6 g! Y6 _0 r% X5 _# V/ F9 ]
- arg.e2prom_cmd_sub_addr = 0x290;: g) q, u3 V$ U3 i# e
- arg.e2prom_cmd_data = buf;
$ P' H2 j1 b; A2 ?- \ - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
) w2 b! T: i% D3 } - if (ret != 0) {6 Y6 S) ?5 s+ r- ]7 `/ H, A
- printf("Device %s read error.\n", E2PROM_DEVICE);
. Y6 t! K+ O1 l; r5 i& I - return -1;
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- memcpy(mac, buf, 6);/ Q. D9 Q" G9 A/ r: c) [2 u
- memcpy(stbid, &buf[6], 18);
z$ ]- b: B7 k, x - stbid[18] = '\0';
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- return 0;
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0 N* S( s D ^- static int writeparam(unsigned char *mac, unsigned char *stbid): w# Q- ]# U1 f- T" g/ }
- {
# O7 E3 f( g B, U1 P# N& ~, s - int fd, ret;! U; s' g- n. I9 G9 N+ l# i
- e2prom_s_cmd arg;
Q* G9 x* L2 T - unsigned char buf[0x18];5 F- f4 m& r8 ^) V- p! e/ l
* {/ E! W- y1 ^- t E- memcpy(buf, mac, 6);
# R0 @, {/ f3 p - memcpy(&buf[6], stbid, 18);
2 T$ I4 v2 A- d1 C/ o - fd = open(E2PROM_DEVICE, O_RDWR);
) I. o/ f. g5 s3 c/ \ - if (fd < 0) {
6 g; s/ _- r, i- f+ U, U; r0 m - printf("Device %s open error.\n", E2PROM_DEVICE);
; Y; m/ B( q- J# n+ a3 \6 h - return -1;. ?* ?! r+ d* q) A( X. D. {
- }0 _1 T; _' g% N/ v
- arg.sub_addr_count = 2;9 l- I1 q- c# `: w' q
- arg.data_count = 0x18;
/ y5 x8 W6 k! `9 V: i3 K - arg.e2prom_cmd_sub_addr = 0x290;9 z6 d x! G3 G3 P: G8 z. L+ v2 w5 u
- arg.e2prom_cmd_data = buf;: s3 m R9 B3 c A
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
7 E0 G7 |! B9 E - if (ret != 0) {
5 W% _# ]. u7 p! t) G2 |( o6 Z - printf("Device %s write error.\n", E2PROM_DEVICE);9 o$ D& k0 e9 P7 |1 M
- return -1; s1 G5 M9 o1 V+ L Q' J' }
- }
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- return 0;7 m9 c7 x- v. F* d9 V/ I
- }, _# D: c4 O, I7 m6 m" t
- ! r6 T9 g9 ?. m1 p
- int main()
i; z8 I% _2 s+ j3 } |% ] Q! t - {
, E' {) w: ]) n8 w9 }# n - char c;
1 @' ]$ V) g+ g% n R - int i, macs[6];: M0 H. v; n7 K6 R7 _/ T
- unsigned char mac[6];
9 {) j9 g5 K. v - unsigned char stbid[256];( |+ |4 U+ w' O9 a2 i
" e( c1 H; e& q( Q& G1 u- if (readparam(mac, stbid) < 0)0 }" Y D/ E4 s
- return 1;
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- printf("Current parameters: \n");
& ^& C8 D+ k& |. ?3 q5 i8 }! M) F$ V8 i) T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);' B1 {9 d5 [+ y/ W* ~/ ?4 B
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");# i# ?5 V5 ^3 N6 W) i
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
! W3 H) S( @% }" S$ y8 r5 Y# i* [ - printf("Input MAC error\n");
' p; U3 g8 m! @- V- j! ]! q' X# _ - return 1;6 |- R9 M% R7 Y6 u( p0 L4 G
- }
- _% C" T5 K* v( F3 P5 o - for (i=0; i<6; i++)mac[i] = macs[i];
+ t9 U8 c& M9 _1 U2 s6 Z/ b5 [/ T; N - printf("\nPlease input new STBID: ");
% ?: @3 b8 j! v2 ` - scanf("%s", stbid);
0 ?& G4 W! u8 Q3 J- l - if (strlen(stbid) != 18) {
2 F: |3 S9 R% U: z" L - printf("Invalid stbid\n");
0 e+ A I: Z+ A4 f4 w. z - return 1;
6 {! {* p& N9 t' R3 a0 m - }
" Z8 Z" K3 v/ s4 ~$ {* V - printf("\nNew parameters: \n");
, W" O D" b0 R - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 T3 H ~. |! y$ J - printf(" STBID: %s\n", stbid);
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: t0 Y6 T8 T" D3 \" N& ~4 b- printf("\nDo you want to change paramemters? (y/N) ");
- e+ _& M- P1 [; f' h& y( |6 A - for (;;) {
7 }1 A/ D! e0 w - c = getchar();
) r7 z- M' ~! V5 U! q5 u/ t - if (c == 'y' || c == 'Y')) c4 l- a# V6 J8 F
- break;& |4 A2 e0 }: k: E0 i
- if (c == 'n' || c == 'N') {
4 S, e! m3 ^& `# M7 f) Z - printf("\nAborted.\n");, y4 j5 v8 u, L
- return 1;
# E3 p8 R' M! N" j( x: _ - }
: i5 i4 y+ e- z) \1 M4 ] - }" J5 J1 v* p4 v. `9 A7 Q/ s- f
- if (writeparam(mac, stbid) == 0) 3 R+ j. L( \) X5 K f
- printf("Parameters changed.\n");+ u2 i+ I( I j9 e$ f
- & ]# P% @. U% P! h( w
- return 0;( g( w, B& D7 i- h% Q' d) J6 }
- }
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