本帖最后由 0522 于 2012-3-21 23:04 编辑
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& V. w- D- T3 n, Y$ j/ w, X: `修改的代码早有了。到今天不会编译。
: p t1 l u! c2 x; `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>8 i$ A1 q( q% b9 R, H2 Q
- #include <malloc.h>3 k+ \! q( s# n. x& ]
- #include <sys/types.h>+ F. I; u, w. C$ h
- #include <sys/stat.h>: `: s! h2 m0 U. H9 a
- #include <sys/ioctl.h>& H" ?3 y6 I$ Y& `
- #include <stdio.h>: M! b, H( t/ f; r/ M: ~
- #include <string.h>3 x, _3 c* V6 n0 \9 e7 W+ H2 _8 ]
- 7 @1 S6 b* p7 r" |# e
- typedef struct {
/ @6 ]7 Y: N% ~4 e9 K - unsigned int e2prom_cmd_sub_addr;' Q) \* G6 Z" J' v Q
- unsigned int sub_addr_count;
( x2 \, ^8 e' [$ ]8 f - unsigned char* e2prom_cmd_data;
- S* p/ f5 |/ h4 c1 J H - unsigned int data_count;! c( j5 N A9 K! J+ b
- } e2prom_s_cmd;9 `% Q7 `! t- ?( q& B7 I, Y( _
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- #define E2PROM_CMD_READ 1
: d9 h, G7 H8 M ? - #define E2PROM_CMD_WRITE 2
" V/ y" S' p: {2 M( p8 V- u - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid) t) l2 t( E+ {
- {
8 ~( {2 s$ J& [" a& v, d - int fd, ret;6 C q, n5 a/ A3 Y0 I
- e2prom_s_cmd arg;
~ T" R0 u c) A3 m/ r5 ~ - unsigned char buf[0x18];5 P& \* H: N, T& g+ J
: E0 ~- i+ a& i- fd = open(E2PROM_DEVICE, O_RDWR);
0 v. _9 D* k' e* z& j8 p - if (fd < 0) {( |/ }0 P* H! O) r, i
- printf("Device %s open error.\n", E2PROM_DEVICE);
" J; v3 }+ v' |6 h - return -1;
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- arg.sub_addr_count = 2;: c0 x9 [* ] w$ n6 {2 N0 ^
- arg.data_count = 0x18;+ s* I' B+ Q" M$ A7 u8 o
- arg.e2prom_cmd_sub_addr = 0x290;
`2 W6 F' Y' R8 _) L - arg.e2prom_cmd_data = buf;3 K. h' j1 @, a8 l) M) V* X2 Q5 `
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
$ Q5 o" f" s/ @+ j - if (ret != 0) {& Y F8 U5 K S1 c0 Y& D8 l' `
- printf("Device %s read error.\n", E2PROM_DEVICE);4 T% t, r; q$ S
- return -1;7 a! L0 j. A" e) W- X
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- memcpy(mac, buf, 6);6 s3 _' S2 Q+ p5 @5 S
- memcpy(stbid, &buf[6], 18);
9 g& u0 ?* l7 y; a. t) [6 G" S - stbid[18] = '\0';
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- return 0;! X. B: g+ D2 M
- }
- y. `- \. |8 G9 `
6 l* ]) g0 ~/ b* P- static int writeparam(unsigned char *mac, unsigned char *stbid)
3 t9 Z W8 j9 L' O7 n$ P - {
- @7 i3 h) R- ~' P - int fd, ret;% J6 t9 T/ o& ~
- e2prom_s_cmd arg;1 I& g3 `' F* C
- unsigned char buf[0x18]; L& C; q% ]" {9 t* ]6 d
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- memcpy(buf, mac, 6);& k, t0 c7 W) |1 L2 d+ B l( S
- memcpy(&buf[6], stbid, 18);; ]3 `5 P- F8 U! V: M, U( ?
- fd = open(E2PROM_DEVICE, O_RDWR);
& O" V4 g+ o: s. R, | - if (fd < 0) {7 r8 P) t) p$ ]; c6 @. G
- printf("Device %s open error.\n", E2PROM_DEVICE);% n: n% \7 f, y( _0 F
- return -1;
8 s7 s- e8 l5 r0 J* \: k - }
" X% x; x, B% t2 `9 R - arg.sub_addr_count = 2;( Q9 T3 v6 n; ^4 Z+ ~1 ^# u$ u
- arg.data_count = 0x18;
6 F6 P8 z& F4 L! \, V - arg.e2prom_cmd_sub_addr = 0x290;6 [" s6 {, Y) ^1 @# G1 @2 p
- arg.e2prom_cmd_data = buf;
/ S' {/ H" ]- ?) g& k }" t# y* g - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
( F! @9 B) m1 g% d( z0 i% `" y6 B - if (ret != 0) {
1 f1 o0 _% l3 D& H# D/ | - printf("Device %s write error.\n", E2PROM_DEVICE);
, i! @, \5 O2 N. X, x - return -1;1 {4 O" f7 I* w) @2 v% t
- }
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- return 0;& p5 |, l' N: U6 ?2 s* T. t
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- int main()! q' ~9 g6 Z' k2 F7 Z# @) g" J
- {+ T" Y. }9 L7 t
- char c;- o+ ]4 w8 x$ _8 x3 v
- int i, macs[6];0 {) n7 v: x V% f5 ~( d- [
- unsigned char mac[6];) m. V; e5 _5 M) l
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)3 \" E5 W! h& n- I3 @* |
- return 1;2 ]1 h. M$ k# C# c. r
- 1 R: ^2 a5 ~8 H% \+ _
- printf("Current parameters: \n");
+ F* v( T- `! ?( F9 o& b - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 E, @( t; X f+ C0 k0 i! S0 P - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");; g C" @+ o% P
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {* a2 G+ J# R/ s! J+ p3 d
- printf("Input MAC error\n");' b) n! a( R( {, x% t
- return 1;+ d7 ~- a7 j6 {
- }
: l4 l( B7 O$ v' V9 O2 w/ U - for (i=0; i<6; i++)mac[i] = macs[i];
4 N7 I+ T1 f1 P - printf("\nPlease input new STBID: ");( }' Y' @! K6 E- ], o) ?# f; f1 ?. \
- scanf("%s", stbid);6 E9 M! |& b3 w+ s0 i- s) t# x3 C
- if (strlen(stbid) != 18) {& G4 I# K8 R& E; e
- printf("Invalid stbid\n");3 H/ [1 e" [; v1 s
- return 1; K7 z8 ~- E) [1 c9 }$ h- l
- }
0 J: I' U2 }4 U - printf("\nNew parameters: \n");% i, P( N9 r! P3 L* K
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 X+ p( W) R S - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
4 R2 `3 D0 B9 o% d6 p - for (;;) {% h! J E0 o! C
- c = getchar();
& I6 [4 ^5 L$ E6 i - if (c == 'y' || c == 'Y')
, d, v; l! ]6 ]9 g/ [+ J2 G - break;
9 }4 m4 F6 Z4 F+ p - if (c == 'n' || c == 'N') {, d3 y% ?! y' l; V; h
- printf("\nAborted.\n");. [$ k, N5 w+ \, x$ `
- return 1;
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- }
( k9 G7 ~: p! m! q# p# Q" j - if (writeparam(mac, stbid) == 0)
- b4 ?" F$ _3 ^5 s2 U" D! S( ~ - printf("Parameters changed.\n");
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- return 0;
3 x# [9 _ E0 V. n# Q - }
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