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。
; T7 _/ y- R" V: o& Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>- `' V2 k; x6 J8 f% q2 k
- #include <malloc.h>
+ l9 W) b4 @4 w - #include <sys/types.h>( l, E; }1 n2 \( ?
- #include <sys/stat.h>$ k& Y5 }3 k- m% {3 b
- #include <sys/ioctl.h>
# @ u, \4 r% n5 Z - #include <stdio.h>. D7 @$ P$ S' n g5 F
- #include <string.h>/ d6 [- b& c% u
& ]+ Q$ k. d9 Z- typedef struct {8 A; H4 X v3 {
- unsigned int e2prom_cmd_sub_addr;
6 S9 @3 K& R2 C8 P& B# f3 H - unsigned int sub_addr_count;
' j7 V0 P! b. `: H4 {1 s o - unsigned char* e2prom_cmd_data;
5 D4 D5 _+ f+ T* I4 u - unsigned int data_count;
- Q& d, P$ E8 h5 q+ R, r5 I3 d/ n X - } e2prom_s_cmd;
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& B! K2 A. M! b- #define E2PROM_CMD_READ 14 n! d% k3 S7 q8 ^% E. F( y6 I5 ~
- #define E2PROM_CMD_WRITE 2
/ y5 A' s& Y+ J7 f6 }) B+ [ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"" A0 A. N. A( |5 T: h
- # ]/ e( s( l3 c2 ^3 G% F+ V
- static int readparam(unsigned char *mac, unsigned char *stbid)
: j p9 m" P7 x - {
5 E k k* c/ O. T( s$ H - int fd, ret;
. }' j+ {8 z6 d* _+ p# o: m" l3 ` - e2prom_s_cmd arg;
) D r& f! l; N; L& M, z v - unsigned char buf[0x18];
# W0 e, K: i# W' t, d0 \
& u$ G. e/ h( i& V7 D6 B0 ^- fd = open(E2PROM_DEVICE, O_RDWR);
/ d! T0 D$ Z8 w6 b# s" P! z - if (fd < 0) {# @) N8 }. [0 x1 @5 Y2 ?: J
- printf("Device %s open error.\n", E2PROM_DEVICE);+ N& U2 s6 W) ?! O! }
- return -1;
+ Q+ s {( t! n5 j - }
5 u$ M3 V. I, G, G2 A - arg.sub_addr_count = 2;
: `0 i0 Z) J; {: a3 L - arg.data_count = 0x18;8 M5 x- ?4 j% g/ I; q$ B3 c
- arg.e2prom_cmd_sub_addr = 0x290;: y) b Y3 a- i, ]6 ?% h
- arg.e2prom_cmd_data = buf;# W/ ]( J# D, H f, x
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);1 [5 g) D) A* Y4 s+ w1 k; l1 Y
- if (ret != 0) {
& h! v- D5 s5 S - printf("Device %s read error.\n", E2PROM_DEVICE);/ M# O& c8 ^) t( o& X0 b
- return -1;
# [3 D# U/ n/ m, @' z5 ~ - }
7 @+ D) }* @& Q5 v; { - memcpy(mac, buf, 6);
; w* E" J7 _! X. s - memcpy(stbid, &buf[6], 18);: G' W* J" L9 s+ [& L
- stbid[18] = '\0';* r ] I- h. V2 i
- 3 e! n5 J2 y7 e% Q! m% B
- return 0;
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- ; G2 K8 ?8 j9 D4 ?9 E
- static int writeparam(unsigned char *mac, unsigned char *stbid)# a8 x2 C% J4 ~" H y
- {
+ Y. Z) c+ O& D& R - int fd, ret;6 R" }2 b1 e9 T8 `- z
- e2prom_s_cmd arg;
5 R: r8 g! W; w - unsigned char buf[0x18];
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/ p* r6 W8 x! f6 I+ r* R& {8 A- memcpy(buf, mac, 6);
) D- L7 [+ h( a) v - memcpy(&buf[6], stbid, 18);
) O; [% \/ n' r. V( {' ^. G0 s4 } - fd = open(E2PROM_DEVICE, O_RDWR);
: E/ j% C7 S6 P3 C - if (fd < 0) {2 j0 g; V* s5 g3 w. W& l" G7 r( R2 I7 x
- printf("Device %s open error.\n", E2PROM_DEVICE);
' ]9 R. d1 b& G9 z( ^ - return -1;
, a- M( t. I( R& C6 M4 n - }
$ ]: t3 i& w' \( w - arg.sub_addr_count = 2;; q, z. v; i* R- I$ m* b3 g, R
- arg.data_count = 0x18;
$ B6 R) X+ Y( |. b: | - arg.e2prom_cmd_sub_addr = 0x290;0 ~, x2 e- i$ M& ?* V8 f% o
- arg.e2prom_cmd_data = buf;: C% m9 i% G# z% ?3 a$ U M
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
U) [1 G/ b+ P% } - if (ret != 0) {
4 l. h% J% ~+ L* m5 u# D& [7 U - printf("Device %s write error.\n", E2PROM_DEVICE);
. v. {, b' p9 e- d, a# `1 \1 ^( H - return -1;3 H, k3 ]3 R* C# [
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) ?( n5 c( D7 l& ?5 w. B+ O' f+ d- return 0;
, c8 O! Q$ H* v3 J5 l2 R5 k- a9 h9 ~ - }
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; O: U4 p' f* H0 k- int main()
- s4 S% M( k+ U4 K" W - {
1 L+ U* |# L- @7 W2 a& h" ^ - char c;/ I6 r, K; b% x7 h; F0 o. {# i h* h
- int i, macs[6];" K; `) L/ Q3 J
- unsigned char mac[6];
" n- S# ~! L0 T1 E _ - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)5 S2 H! p7 y2 q4 `+ ? ?
- return 1;+ M _: F) m4 v, G$ T
( f! f5 p k3 q* |: G$ R- printf("Current parameters: \n");
8 } X) p3 h( \$ q( a* O1 d; ? - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 _, M8 y( p# }% g1 N
- printf(" STBID: %s\n", stbid);
* z5 A* d. \; ?& i0 [; A -
/ E$ `' `7 [6 F, S, W - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& s) H* \! t0 R& Z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { H0 {% r% p' @) T, \
- printf("Input MAC error\n");
' G' Y2 t2 @" `; ]; J2 e+ W - return 1;6 Y: W* Z+ E y0 _- J' ]" B. ]
- }
: n, r, N [" I1 A, [# U3 A - for (i=0; i<6; i++)mac[i] = macs[i];
5 f& A$ h2 ~) n9 R - printf("\nPlease input new STBID: ");
7 V6 t3 X8 i Q R6 k* |' i4 r - scanf("%s", stbid);
: c, S8 J8 C. ?6 z- q. y! O - if (strlen(stbid) != 18) {
$ |5 K% P8 A( k: U( ` - printf("Invalid stbid\n");. G9 \' u" J4 L8 _( A
- return 1;# W1 i! q: Y1 z; b* F
- }
# N9 X0 p- a9 Y; e8 w7 O+ Q8 m) R - printf("\nNew parameters: \n");5 P% F: [5 c" O2 c, _7 r
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, U- h! N5 W0 a+ Y3 j/ ^
- printf(" STBID: %s\n", stbid);' R' ]& A1 P9 ^& f- h9 l
8 E z* s% I# G5 ?/ Q6 Z# @- printf("\nDo you want to change paramemters? (y/N) ");
* q( o0 e: b& [; { - for (;;) {. F; I7 Q: @. K; ^$ Q* W
- c = getchar();
x$ Z/ h1 E) e! Q5 F8 I/ Q - if (c == 'y' || c == 'Y')
' e+ h) c$ \% {* D4 w* A2 V - break;
) i+ M# s8 k5 O- T; w2 |+ B$ F - if (c == 'n' || c == 'N') {
! K2 S- Q( C+ c" r Q) _ - printf("\nAborted.\n");
; U& B; @) R4 l9 Q5 X- | - return 1;
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- if (writeparam(mac, stbid) == 0) / b5 G( z( \0 P
- printf("Parameters changed.\n");0 ~& R7 U( s( D, j9 K
, p! X8 G; q- U1 H; Z+ X- return 0;* w' j" u9 z& E/ A/ n8 k% Q; t
- }
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