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。 K4 k, K6 T& k& v/ z; X+ ?% `1 j) W, E. |
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% \9 Q" a" C [. ?
- #include <malloc.h>
) Q' P3 p1 { J! q" i) y, H" y - #include <sys/types.h>
$ w* I4 Z @8 t7 x5 Y - #include <sys/stat.h># ]7 f- ^& u( {+ B, V( n
- #include <sys/ioctl.h>* s+ R8 t$ Y. F3 h& E1 o
- #include <stdio.h>
' D k; V. j8 {5 y# k - #include <string.h>
% D' Q+ a2 n- D* D7 d% I - ' K1 e b J( W* v: l
- typedef struct {! F6 z5 n6 b% w3 [4 R
- unsigned int e2prom_cmd_sub_addr;
8 c/ O6 V# p5 y" G9 m0 | - unsigned int sub_addr_count;7 j" a+ d: K% F
- unsigned char* e2prom_cmd_data;, z8 B$ e% C% k6 R0 |
- unsigned int data_count;7 c `! L ^8 z" E' C/ f! B8 G
- } e2prom_s_cmd;
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1 ~/ j7 e7 f7 l4 S& v/ ^- #define E2PROM_CMD_READ 15 R) m! m' X& c- q
- #define E2PROM_CMD_WRITE 2
& }/ g. W6 {( p1 A. _6 s - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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( v D8 f! J. \: F8 W- static int readparam(unsigned char *mac, unsigned char *stbid)
8 R/ Q; Y4 J. G - {
1 t$ B4 w; U' U9 W9 b# q - int fd, ret;( f. J1 Q* c) Z) @" i/ E
- e2prom_s_cmd arg;3 t& g$ t! Y/ X) r3 u) ^
- unsigned char buf[0x18];: }0 U, L* i, L/ M
- 3 d- ^* x P) `
- fd = open(E2PROM_DEVICE, O_RDWR);
9 u8 z/ M3 U3 p* f. E - if (fd < 0) {
3 \+ {% m* w. Z e* j: [5 w - printf("Device %s open error.\n", E2PROM_DEVICE);
# i7 [, Z, H- C3 b% p - return -1;1 f# C( I1 l c* x6 o/ z
- }
% t9 C. o4 f/ t! R0 ?- `# Y - arg.sub_addr_count = 2;
/ U8 v; o& k, x, N. \- J2 S - arg.data_count = 0x18;) p: E' i2 W4 z4 T' ?6 q0 o* p" o; V: S
- arg.e2prom_cmd_sub_addr = 0x290;9 W4 `* y5 Y. g6 |( D/ g
- arg.e2prom_cmd_data = buf;: M6 T) M' h% }( Z, W8 q' D
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);* ^( f; P- O( Q
- if (ret != 0) {2 j, x' ^$ m( j* @: z Y* h7 e9 k( w
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 `3 B9 ^" `9 w5 F1 n - return -1;
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- memcpy(mac, buf, 6);- O; ^2 g2 B$ y- q3 l. y5 @9 H
- memcpy(stbid, &buf[6], 18);
$ n% ]- I$ A# y. O- j. D6 i - stbid[18] = '\0';
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- return 0;
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1 X, i7 ~% ~( y& b) }- static int writeparam(unsigned char *mac, unsigned char *stbid). a1 m5 N8 h0 \8 U- g, I2 C
- {
/ u( I' Z: N! K# i - int fd, ret;( ^- l& j8 R, Z8 z+ v
- e2prom_s_cmd arg;# _( Q# _3 W: V$ P# h5 V
- unsigned char buf[0x18];# D% O+ q: @: |) W$ A6 C5 {8 v2 Q
; @. O7 k- t' }1 m% j6 K! T- memcpy(buf, mac, 6);
6 {5 y% |9 x/ G5 P3 d1 c' V - memcpy(&buf[6], stbid, 18);
% M; ~# ~) J0 D/ q( _! J% j6 K - fd = open(E2PROM_DEVICE, O_RDWR);
2 T/ X# t) X; }$ T: u6 ] - if (fd < 0) {
$ r- ?7 m9 s% j( j0 W - printf("Device %s open error.\n", E2PROM_DEVICE);
1 p. I) g1 S: y& n, c0 z$ g. Z - return -1;# j4 b2 G! y! L u$ G: \4 @2 T
- }% U& c, R1 Y$ V/ }! h& v. G
- arg.sub_addr_count = 2;6 |% {3 t6 E5 G: _2 C
- arg.data_count = 0x18;
& l- [9 p- v( j" w" a' m# Z - arg.e2prom_cmd_sub_addr = 0x290;- g% d" o/ e2 j& u
- arg.e2prom_cmd_data = buf;
1 ~ i# p- C8 ~: q - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
4 e( L, t% D! C( X - if (ret != 0) {
) x& I$ ^! J- Z - printf("Device %s write error.\n", E2PROM_DEVICE);. U- f- b4 a5 T! b
- return -1;
, @4 c& _; b! c% T7 K1 H! ]1 m, Y - }
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- return 0;: I9 J$ |* z5 {% B, m& ?5 ?+ q3 _/ A
- }
; d* _8 P( @+ C# y: {
8 r) c7 y# o. y4 b9 A3 w) B: e! m- int main()) ^% v* g8 T* F( u4 P; S
- {
) F6 p6 [1 X. P- X8 T - char c;
' h3 V. \+ z8 v4 p - int i, macs[6];
7 c3 V$ G5 l& E1 ^ - unsigned char mac[6];4 M5 M8 K4 l3 X6 O* z) e
- unsigned char stbid[256];3 y5 y& T1 U/ v; j! ?- R
; P8 {9 U" h/ [6 S* r- if (readparam(mac, stbid) < 0)- \/ ?; ^1 m# H3 x, ~4 K1 G4 h! {
- return 1;8 ], L: E$ M+ Z; ]$ i
% `$ T' W6 I6 N9 g5 i. x1 Z+ B- printf("Current parameters: \n");
! g0 U( d3 N3 t) Z - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' d; G) M5 U; [2 ^8 |* ?- h) W, ^ - printf(" STBID: %s\n", stbid);" a' E: t3 _/ w8 J0 C' a+ O3 z
-
+ @) o4 g0 f- t8 ^! D& j8 N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");) o# u* F7 h2 @3 a# m
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ d! k9 ?! \: L j" G& b8 Q( o
- printf("Input MAC error\n");6 n: e$ P/ G* x
- return 1;
3 M$ u$ v" E( [' S( E/ e - }
- `0 M0 R M d - for (i=0; i<6; i++)mac[i] = macs[i];5 S. v5 f: w* |% B2 x7 O
- printf("\nPlease input new STBID: ");
# w# E0 q6 d; r8 D5 \ - scanf("%s", stbid);$ j5 @+ b: M9 l( }
- if (strlen(stbid) != 18) {
) u% a) d, f) |3 n, h7 c- w - printf("Invalid stbid\n");
( M, N! O$ N |, n( ~* O; K# S - return 1;
' t& ?& H, C$ J5 T. `! b1 Q1 V - }
3 H! }5 F+ v% v$ V( g: H - printf("\nNew parameters: \n");$ R2 {7 o- ]; \
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
. L7 K% Y' ^/ N( J% z' B - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
0 c O2 L2 E3 Z; `" B# w3 @, B/ ]* U - for (;;) {
2 {0 @8 C! r! t+ R0 Z - c = getchar();+ @3 m! a8 y; r; P$ |
- if (c == 'y' || c == 'Y')* f4 S7 d/ A* i' g9 w
- break;0 S+ n: |5 B! h# h# `
- if (c == 'n' || c == 'N') {, P4 p% T. D- ^6 C
- printf("\nAborted.\n");
4 ~ L# b% ?! N: _7 t7 K0 S - return 1;
( m8 @1 n' X+ e, K. \6 w - }
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- if (writeparam(mac, stbid) == 0)
4 l+ j$ i+ O4 ]: G5 F# u) y# i - printf("Parameters changed.\n");4 L1 C# z- }! f0 n% H5 D5 `4 G* h
' R9 L+ q) ]; V/ e7 k |4 d1 R- return 0;4 |& k+ P! \7 X
- }
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