本帖最后由 0522 于 2012-3-21 23:04 编辑 ) ^1 o; g# [; b1 Y3 O
; S: k7 |+ g1 f! g& F# V
修改的代码早有了。到今天不会编译。
* w5 x3 l$ v7 A) ^" `, Z需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>; S; H" j+ c% M1 D# n, ?! q: ]2 T/ I
- #include <malloc.h>7 m& }! {$ `5 b; E$ _, s
- #include <sys/types.h>0 R- a. b r. Q
- #include <sys/stat.h>
8 T8 Y& j) {5 e$ H& j - #include <sys/ioctl.h>
5 I6 A+ i( ^' Y; [( M - #include <stdio.h>+ N) w }! Z9 Q k" c$ g
- #include <string.h>8 A( ~ D8 Z% O6 F' `4 P. u0 l' x: j
- ! u6 n) {$ {2 n& n. X0 ]2 J8 o
- typedef struct {8 F5 R/ s% [9 h. Y
- unsigned int e2prom_cmd_sub_addr;
! w% F/ m% `" i6 o - unsigned int sub_addr_count;6 h0 ]' g8 A1 I- W& ~% f
- unsigned char* e2prom_cmd_data;
6 z3 _/ N6 R7 r2 p4 r - unsigned int data_count;
7 W* l% c. L3 b - } e2prom_s_cmd;
) ]5 P) J5 C2 t- {( Z' X: W+ m, a - 9 ~9 L1 a0 k( K7 Z X
- #define E2PROM_CMD_READ 10 U2 z- E+ U3 ~* k
- #define E2PROM_CMD_WRITE 2
2 f* _! a A) z# g2 P - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
' y4 D7 Z, |: V7 J# K3 C1 X - $ M: A3 K& J ~
- static int readparam(unsigned char *mac, unsigned char *stbid)* N" ~( [) @: h& G
- {7 R8 Z6 b9 B" L A
- int fd, ret;
, H% S) E& O+ k - e2prom_s_cmd arg;$ y8 G# s3 i, Z! b
- unsigned char buf[0x18];
# A, Y1 P. [3 L# } - 7 R" j% E- _+ a$ }6 h, s
- fd = open(E2PROM_DEVICE, O_RDWR);( y5 V& s. u0 r2 r% \ P6 W6 Y4 W
- if (fd < 0) {- D2 Q; `# p" m
- printf("Device %s open error.\n", E2PROM_DEVICE);
% U$ a, G% [0 g) x - return -1;
( d J' r! V* T0 i V8 C. u - }7 F5 ^3 i0 g1 p3 m
- arg.sub_addr_count = 2;
7 d! F6 H; q. F - arg.data_count = 0x18;% U3 e4 c! T* ~1 o2 I
- arg.e2prom_cmd_sub_addr = 0x290;
p/ f0 V3 F6 r* B4 t @6 D - arg.e2prom_cmd_data = buf;& L$ @: m+ ~6 F) p1 \
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
# z" k1 b0 F" d, ~( w4 @7 G- i' _ - if (ret != 0) {, x* O- {3 I# P0 g9 c$ T6 [
- printf("Device %s read error.\n", E2PROM_DEVICE);
/ q/ H/ Y- }2 M6 ]3 p - return -1;$ `. K0 w8 ?; J
- }9 y' v. N% f# _
- memcpy(mac, buf, 6);
3 m7 W# O4 G6 y; \; L; i* V K$ j - memcpy(stbid, &buf[6], 18);! R! f- w0 {5 z: u/ ~7 O
- stbid[18] = '\0';5 K4 ~" ^, }3 a T# ]+ o
; a, O- `, H4 A7 ^- return 0;
; z5 m, T' @$ ^ - }
5 l2 I4 s& R0 f- r3 Z! i& ]
, U- Q2 _/ ^% l2 O, H7 M7 c! u- static int writeparam(unsigned char *mac, unsigned char *stbid)7 E# H+ `8 G( J# m S I/ R5 e! u0 Z
- {+ L4 T. U& x2 v: L- H! m: g1 ^( A! ?
- int fd, ret;2 G" u$ u$ w4 z" B6 T# I. J- m
- e2prom_s_cmd arg;
, b3 f" @7 `( d - unsigned char buf[0x18];" @& P/ l B) k+ `
- - a: q. p$ q) b# h- B' a
- memcpy(buf, mac, 6);
; d. w, E( ~6 J0 W$ w: y: K - memcpy(&buf[6], stbid, 18);5 Q0 `: L$ c% |7 b" A9 @
- fd = open(E2PROM_DEVICE, O_RDWR);
/ A: B0 U+ b( Z - if (fd < 0) { Y- N `% _, P$ Q$ D- \
- printf("Device %s open error.\n", E2PROM_DEVICE);
, A; \3 l; Z3 ?2 R- P9 s - return -1;1 C% |6 m/ _7 [8 r4 I$ @
- }
; O8 Q; m6 P& p" ^( Q - arg.sub_addr_count = 2;; T0 g1 w* a9 o3 M! \
- arg.data_count = 0x18;8 R, |0 Y4 E7 U; `" q
- arg.e2prom_cmd_sub_addr = 0x290;
; L: t% U+ ?. p4 ~6 j, I - arg.e2prom_cmd_data = buf;
/ _2 q1 m& N$ q& ~$ @ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ b$ o6 y7 Z/ s! P r" R - if (ret != 0) {" U; ]2 Z, m2 c {
- printf("Device %s write error.\n", E2PROM_DEVICE);& B. g- p, z: _' U9 V
- return -1;! r+ U( }8 @/ i, [$ K8 r
- }! T' P) y! W. _3 M' f5 {9 i. y8 `. b
- ( z/ `7 V+ v e) d
- return 0;' o# d k* Y' W! ?8 I I
- }) d' B( }$ T! I6 {* s8 H' {1 T
- 1 W8 p) D4 _/ q
- int main()
5 x( N, N; }6 O5 M) o - {- H( W6 _* A; v/ R2 \/ f
- char c;6 Z: K' s* }& |) M% h; q0 j N8 U
- int i, macs[6];
; Y! [1 U/ K' C. ]# w, q' U% } - unsigned char mac[6];
M' J3 E1 z: |8 `. V' r - unsigned char stbid[256];! q% }, w7 I g0 O. D+ g" S9 ~
( |, Q' w* O3 Y5 J- if (readparam(mac, stbid) < 0)
1 v( l2 B* Y3 q4 E - return 1;" h4 p* O8 }% J! g. @
- 7 j5 @$ _' v2 L1 H# X5 c% h
- printf("Current parameters: \n");! E0 _" S- E: j; U/ O. y: C/ T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
: w% `+ _4 z0 `+ Q - printf(" STBID: %s\n", stbid);' N) n* O K, B- M9 O+ @
- ' I/ O+ w" k+ f2 ]2 k
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
' C# ? k' }2 R ^4 o - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {$ q: r. D% W- c( R2 W) D/ c
- printf("Input MAC error\n");+ L+ n+ n! V" e/ v, j9 w
- return 1;, Y8 b6 A. X' C
- }4 g) Y% q5 c* C6 j& y3 m
- for (i=0; i<6; i++)mac[i] = macs[i];
# E, Z; B& l9 L - printf("\nPlease input new STBID: ");
0 {) q2 @9 S1 V, z+ s; P& N, h; r - scanf("%s", stbid);
9 z$ ~8 ?/ H* M+ A- e g& R - if (strlen(stbid) != 18) {* a' c; U3 U! [7 Q) [
- printf("Invalid stbid\n");
" z" }5 \2 S% }+ n$ D1 B" d. {7 A - return 1;
' O. j1 T \$ E! f4 P$ s - }
1 K$ }! ?. x9 |$ M - printf("\nNew parameters: \n");
; P* G6 G) p: W9 p - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);8 G% `, }' c* x- ~! D( t$ C
- printf(" STBID: %s\n", stbid);
. d$ ~2 h# E, N! f, ~
; L+ B. H0 g& C4 Y' ?0 w. h" o- printf("\nDo you want to change paramemters? (y/N) ");1 Y, B( }7 {/ ?
- for (;;) {6 H' d& J: \ q8 l2 P3 o6 f; b8 \
- c = getchar();
/ P3 }1 m' l( }* ?# m# M7 H$ ] - if (c == 'y' || c == 'Y')
6 `1 w, W! w! u! f1 s. h - break;2 s5 ^. T! i! c0 G. y# u
- if (c == 'n' || c == 'N') {
s4 A* _% ~& s/ J0 { t - printf("\nAborted.\n");
2 S6 r) q W# J/ N+ c8 h - return 1;$ | A% Y" z" @: R
- }6 y* x6 ]& |1 j. H( s; @
- }" O) `- W0 L3 k7 l) ]+ v
- if (writeparam(mac, stbid) == 0) ! S* e& j' E) {! n3 l1 V4 t
- printf("Parameters changed.\n");4 Q/ l2 g$ X! V6 y
- ( r: L! H8 l* q. |: w, V
- return 0;1 a* @. D8 O" ^+ x
- }
复制代码 |