本帖最后由 0522 于 2012-3-21 23:04 编辑
, q# R5 c K! G# E3 w( B& f* p' Y0 ~; L( [) M1 d7 P
修改的代码早有了。到今天不会编译。8 h) [% Q0 F; z7 _0 S% n3 K
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# Z& \0 T7 r6 B9 X - #include <malloc.h>
6 A6 n; f# v; C& }# g2 r - #include <sys/types.h>
; w, y8 e: u. _0 f& Q - #include <sys/stat.h>: \* ?3 ^+ D7 _$ o* Z
- #include <sys/ioctl.h>3 z3 V. p, N' W+ Z1 r
- #include <stdio.h>4 P) q( B% z: v- b O* o
- #include <string.h>; T3 n2 t0 U9 L; e+ B0 }! }
7 K4 T! E# x% l. O" x3 q- typedef struct {
8 m7 `3 V3 {: ?" S( `# g - unsigned int e2prom_cmd_sub_addr;
1 K3 _9 M2 ~0 T1 s5 {- D( x - unsigned int sub_addr_count;
+ q0 o4 }% K( [- L7 Q3 f - unsigned char* e2prom_cmd_data;: U1 C: R. z* R+ C& G* e" v
- unsigned int data_count;
i [. }, _0 S% \4 Z* T7 ]& { - } e2prom_s_cmd;" h( @+ R* K8 C6 L/ W6 r s0 ~
$ K3 H, W; F$ A+ s5 @% \ S- #define E2PROM_CMD_READ 1
6 i6 ^8 t. H$ c1 W- f - #define E2PROM_CMD_WRITE 2; q: Y: ]% r5 e5 X
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
7 K( K) A1 z0 [7 b- X* H
1 T4 \2 P6 a: T/ ]* X7 e1 q- static int readparam(unsigned char *mac, unsigned char *stbid)* T0 Y% _( U3 P2 B' g% p
- {
! x: R2 A9 f0 s* h- E) g% ^ - int fd, ret;
: _0 J$ c! {/ z; R - e2prom_s_cmd arg;1 d1 R/ i. m- |% x2 }' k7 m
- unsigned char buf[0x18];5 r! Q) b! c( W' D
- 3 ?" w5 Q+ S( Q+ F) h
- fd = open(E2PROM_DEVICE, O_RDWR);
" ?' ]1 K; d7 }7 s2 r/ W7 u V - if (fd < 0) {9 i$ E- b/ y4 ]# J
- printf("Device %s open error.\n", E2PROM_DEVICE);0 u$ p9 C" E# `" U& s
- return -1;
/ t7 n# v# S0 _ - }7 s: b* O0 S+ W5 \6 a
- arg.sub_addr_count = 2;+ ~7 ^3 Z' Y: W3 h4 w: b
- arg.data_count = 0x18;. l2 r. B+ C3 Q
- arg.e2prom_cmd_sub_addr = 0x290;
" v0 q N' d% C - arg.e2prom_cmd_data = buf;
$ }# [/ e) S. R, ~1 z F - ret = ioctl(fd, E2PROM_CMD_READ, &arg);3 q0 g; l# S# s: w. K+ N5 p$ u
- if (ret != 0) { J6 a; Z& S; {" f7 L' b7 e
- printf("Device %s read error.\n", E2PROM_DEVICE);3 X( N1 z' R* H% p3 i
- return -1;/ D1 X K" @# [5 {1 o% s; \
- }
7 q3 w* I4 ^ ~* c( B) o - memcpy(mac, buf, 6);- q2 ~; d' {- c
- memcpy(stbid, &buf[6], 18);
2 ]. T+ P3 g0 g& Y( \! O - stbid[18] = '\0';
0 L h) G1 `9 e+ u d& I" ] - : J2 F# `7 m$ S; q6 S# ^* V
- return 0;
: ^; i% d- Y$ e$ q - }
; r0 r9 i! A# }5 ^0 h5 X" j - 5 ]7 d7 ^+ W5 A7 E8 d, b2 M
- static int writeparam(unsigned char *mac, unsigned char *stbid)
}5 H- C$ u! {& a - {, j; p7 Y; U6 y/ v2 U6 n
- int fd, ret;
; h. ~2 Z+ {4 ^: k) ~: [) Y - e2prom_s_cmd arg;
2 @' v+ R8 J% u1 o - unsigned char buf[0x18];
d% B8 ~" j0 }# \7 T4 H - ' A3 N- _. d, \9 x+ {. @. w4 {
- memcpy(buf, mac, 6);
) b" m6 s% S d! D - memcpy(&buf[6], stbid, 18);
% v+ a0 o; w+ o0 a7 G7 V - fd = open(E2PROM_DEVICE, O_RDWR);
6 `- P7 i+ }' h& W - if (fd < 0) {0 K! ^5 v: S5 o" x$ K0 l
- printf("Device %s open error.\n", E2PROM_DEVICE);, j' c3 [) k7 e$ h/ Z
- return -1;4 a: c( `* \1 Q! b. t
- }
' H7 H; X: d" F- U - arg.sub_addr_count = 2;# t) H$ w' \9 B& R. U
- arg.data_count = 0x18;
+ J( M% q' D; |0 t: b1 \/ m+ f/ f/ D - arg.e2prom_cmd_sub_addr = 0x290;- w' I$ S! z, A3 ? G9 C3 V' C
- arg.e2prom_cmd_data = buf;
4 d& X4 N. N$ c2 Z. @ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);4 T z) x- ~3 x7 z- d# s
- if (ret != 0) {
: z# X; o0 H: e) Z. y* S - printf("Device %s write error.\n", E2PROM_DEVICE);
. |; O1 ]% l7 C. _1 C5 l - return -1;
# F3 d- E* O$ U9 { - }
% K* _$ D1 O9 ~. `2 k
- |2 P7 G/ d8 w% A; v+ ^- C1 |- return 0;# }) d6 e9 Z+ ]* p2 V( h; t N& E
- }
! U/ c r) D! u. ~7 E8 E0 Z- I
+ |4 e/ Z3 L! J5 O; ]) ~, y) B- \- int main()
% r6 `' d6 X6 x - {
) c) b) P: c3 A+ v1 N& p - char c;$ Y3 A9 j* C. _/ Y/ ^4 T6 }6 b* }0 a) \
- int i, macs[6];9 v! |/ `+ Y% Q" M2 ^3 C Z
- unsigned char mac[6];& W1 M5 p# p9 ~4 `$ y9 j
- unsigned char stbid[256];" J7 U9 e& Y+ o) F) ]
- & Y3 F* N+ f% t! O/ J' I
- if (readparam(mac, stbid) < 0)
+ h7 T* D. s, v - return 1;/ [9 i8 R d# g" F8 f" K u0 L
' N0 [; k/ K6 a8 Z1 E- printf("Current parameters: \n");
4 n9 w2 o& D( e3 L - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ i. d* b, R5 p$ I5 r5 Z
- printf(" STBID: %s\n", stbid);
7 i1 I: b4 A7 n. u- q -
% X1 g6 N. e6 z+ f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) j. Y$ {4 s( N9 e - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. _: V/ w1 q( f) }8 A2 i, ]5 Z: b
- printf("Input MAC error\n");+ b5 ]2 ?! j! w% d. \+ y4 u5 q
- return 1;( d' r9 l5 F4 `9 h
- }
6 ~0 ?7 A, ?% O; o* X& C- { - for (i=0; i<6; i++)mac[i] = macs[i];4 X- T7 I+ u3 ~! a
- printf("\nPlease input new STBID: ");
; c- \- G7 d+ n$ f; }2 q [ - scanf("%s", stbid);
% q2 S8 M9 d, i2 B+ y/ r4 a# n* V - if (strlen(stbid) != 18) {
% g9 w* o" _1 s9 ^) ` - printf("Invalid stbid\n"); ^+ p6 Q% m/ [" }% `, V
- return 1;( Z- \) C. J9 g1 e' q
- }
' w% u# O3 \' |1 D# A - printf("\nNew parameters: \n");5 G( b$ d9 }1 {' `/ Z! } @& ]
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 A3 `3 ]/ A# y( C) A1 ?* z - printf(" STBID: %s\n", stbid);
% }; S; z& v9 U4 V; M/ i - ' z4 L2 h z8 u# b7 _
- printf("\nDo you want to change paramemters? (y/N) ");, J) g6 H8 P1 N
- for (;;) {+ @9 d W T) [+ P$ b. l; L
- c = getchar();% K0 W: N2 k2 O5 o1 y( F
- if (c == 'y' || c == 'Y')
% e7 v4 p! D2 Q, p - break;2 x$ ^+ |! W4 O' C& b6 h0 M
- if (c == 'n' || c == 'N') {
& Z, e; k- a( H$ Q' D - printf("\nAborted.\n");
3 |# a5 ?2 X% d0 a ~1 f9 ? Y - return 1;7 i, n! l2 R4 D' Y4 [# X f
- }
, q& v0 X, F# I7 l1 c - }
. y+ X- ^, T+ Y8 W/ y6 `: W5 B; s - if (writeparam(mac, stbid) == 0)
+ K' n- J. v5 y" X+ K% N" M - printf("Parameters changed.\n");1 w& a2 n/ l8 Z
- % B+ I t. w$ o# g. g
- return 0;
! S: ~ L! W8 }5 ]! w8 S' f - }
复制代码 |