本帖最后由 0522 于 2012-3-21 23:04 编辑 % n1 D, r) \! C% }
$ V# V, o7 ^' g C3 J! K3 H修改的代码早有了。到今天不会编译。
5 W: D4 w& E, O A0 ^) L需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
2 Z- J. W" _& R. u: ` - #include <malloc.h>9 g, P- U# U$ m k$ p
- #include <sys/types.h>
% T. @2 o2 L% p4 K+ c2 o - #include <sys/stat.h>
4 t! w* i' W* |( B7 W6 T" G - #include <sys/ioctl.h>
/ z7 | f, T' W5 C7 H( Z; H - #include <stdio.h>% \* ?2 w/ W4 `& \1 |3 t2 C( o; `
- #include <string.h>
+ ^3 T6 i( ?) {( y) d% S8 j - * h- W& A. L* ^: D
- typedef struct {
% }; _* h; U3 Y; s - unsigned int e2prom_cmd_sub_addr;2 B# G8 u7 W$ N7 s5 S2 O# r+ E& m) O
- unsigned int sub_addr_count;
( z8 n' w8 T( X( G- C( y3 H3 x - unsigned char* e2prom_cmd_data;9 D: ^7 I: Z7 s- }! q" u
- unsigned int data_count;( Q- Y% x- P* W6 n. V
- } e2prom_s_cmd;; ?/ H* ~- G* k1 k1 B2 G
- / s& h8 ]6 i7 k8 `7 x; I: W
- #define E2PROM_CMD_READ 15 F( u0 r2 T+ k4 \4 C$ `
- #define E2PROM_CMD_WRITE 2# Y0 Z8 z. [" ^# A- H% @' n, n8 j
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! K- g. P: ]1 ~2 H( f% u
- 3 B! B: u1 v1 ?
- static int readparam(unsigned char *mac, unsigned char *stbid)( | W' @( x2 {
- {
8 h5 Q$ u/ A- d - int fd, ret;
. _) |1 L! v2 e' ~; V2 t+ ^ - e2prom_s_cmd arg;
) A. i( ?# Z& r - unsigned char buf[0x18];
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q9 |3 T( A5 P' C4 c) O- fd = open(E2PROM_DEVICE, O_RDWR);+ P$ J9 @3 P. m
- if (fd < 0) {
, G$ v: o& _5 |6 O* u - printf("Device %s open error.\n", E2PROM_DEVICE);* z. P% L1 w9 J0 G
- return -1;
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- arg.sub_addr_count = 2;8 D; x) ?& G" n. n# ^
- arg.data_count = 0x18;
$ J2 T6 K W( C/ d# N - arg.e2prom_cmd_sub_addr = 0x290;2 f* e$ V0 C& w @; x+ D
- arg.e2prom_cmd_data = buf;
2 c) B; w5 `& \+ K7 R( ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);# }$ }3 C0 d9 A4 W
- if (ret != 0) {
^5 N3 y$ U% s& {& G1 |4 n - printf("Device %s read error.\n", E2PROM_DEVICE);
" d7 t2 U. \9 ?7 y0 \9 q+ d- [ - return -1; G, P+ H" H9 H+ V6 Q$ b
- }) S& E# D3 ]1 b4 ^* z
- memcpy(mac, buf, 6);5 s! p6 o8 i. [/ ^
- memcpy(stbid, &buf[6], 18);/ f1 L; r- p2 [
- stbid[18] = '\0';
; p2 s# u D0 @& W
, H( z* C- B% }3 w- return 0;
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- - H9 B% A+ {/ T# ?; e5 [" N0 W. \
- static int writeparam(unsigned char *mac, unsigned char *stbid)( c T$ }8 U. Q6 |1 T1 F, s
- {/ c! t5 k" l0 [, @% h% W5 O6 K
- int fd, ret;
9 @' O2 u) b* ~$ N# P - e2prom_s_cmd arg;
' u2 @) D$ ~) ~0 y6 [ - unsigned char buf[0x18];
- E. u7 i/ k. ]) i) H% y
( A$ Y" E F& Y y- memcpy(buf, mac, 6);2 _ z, G0 J( X8 y' ]
- memcpy(&buf[6], stbid, 18);
/ I: i5 G j! d4 @* ` - fd = open(E2PROM_DEVICE, O_RDWR);/ t5 c9 P! T$ E- P
- if (fd < 0) {
! m* \; p& N. V - printf("Device %s open error.\n", E2PROM_DEVICE);' _) u2 v# ^9 h
- return -1;
% f6 F9 y4 b& n( z3 ?. M, } - }
/ ] \0 x* a/ n, \4 N - arg.sub_addr_count = 2;( h: s- X9 k( B5 c1 F" [' [
- arg.data_count = 0x18;
3 _4 x0 O# ]4 S9 j - arg.e2prom_cmd_sub_addr = 0x290;$ `% S: H0 `( g
- arg.e2prom_cmd_data = buf;3 f+ B J7 b5 s1 U7 i' }% ^1 C4 o* l) G
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
* P4 K$ ^. j" O1 E1 W - if (ret != 0) {8 E2 q( k' j) z$ q
- printf("Device %s write error.\n", E2PROM_DEVICE);- ?7 G; Q6 r' d$ k" N6 ]" V, H
- return -1; F- Q t) R4 B7 L; A/ i9 d" {, m0 v, k
- }) Z. F. h$ r# a: W; q3 { N! N
- ! N% @4 m5 S0 ^$ r( B0 D" {
- return 0;
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. P/ s% e l$ z, O; z& J- int main()0 T. v7 { k5 H+ q; {! o/ b2 g
- {
2 P1 r5 P8 ?) I - char c;
4 o" z5 G9 Z# p3 y - int i, macs[6];
2 j! |0 I: Q7 Z/ {& T- ^9 _- \ - unsigned char mac[6];
3 d& h( a$ X% ]7 \ - unsigned char stbid[256];
- s: p* Z Z' U) `3 \ - ! w8 G& q% J! g* \
- if (readparam(mac, stbid) < 0)
: t. O S$ w; b: ` - return 1;6 ]2 A: g/ j" a
$ \! ~7 }. [) J) u) T- printf("Current parameters: \n");# e. s( l7 L+ {& a# z* @
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 `" e) X7 D) @/ K- H/ d* J
- printf(" STBID: %s\n", stbid); p& n# P: o6 }3 Q% n
-
! \ t: _7 P$ C, D - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
& e. T( z' g* g6 q# ^ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {3 r7 T% } @" b
- printf("Input MAC error\n");3 f( Q# |9 D9 m1 }0 U
- return 1;6 t) M) B) o% X, x
- }
2 k3 ~4 k) U- ]8 [+ C - for (i=0; i<6; i++)mac[i] = macs[i];
/ w* G+ Z& y# `4 V1 d: v4 {, C% z - printf("\nPlease input new STBID: ");
, }' ~- D6 D; N# c/ [! @; H# s - scanf("%s", stbid);$ {6 P) n% z5 O
- if (strlen(stbid) != 18) {
# c; ]4 N {# _ - printf("Invalid stbid\n");0 n- Q/ ^1 x' F: } A
- return 1;. }: e( i* y# Z: k2 A3 M, |
- }- E0 l/ K) g2 q" ?
- printf("\nNew parameters: \n");' L5 x4 W- g! F; G' q
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ X& M/ v/ a' {$ e6 {9 Z& {& H
- printf(" STBID: %s\n", stbid);
- U; |9 m6 v' ]# N- l/ Y6 I2 R: H5 i - 3 t% n6 j7 V9 g3 }0 ? |! i! {. a
- printf("\nDo you want to change paramemters? (y/N) ");
7 q2 u0 P q+ u: P$ t* T - for (;;) {
! J# i$ \; z. p/ f - c = getchar();
+ U! C& K- p8 x - if (c == 'y' || c == 'Y'); V# d0 o* Q: o W& ?2 v+ {
- break;
) ^8 x1 T" U) w0 r4 _& E, Q - if (c == 'n' || c == 'N') {
% N- V% o6 O% O. q: o4 l$ u - printf("\nAborted.\n"); Z& G' |- m4 _7 T
- return 1;# F' G: W8 h0 A1 c# O% M
- }: W( g/ R5 h3 y. K& w
- }: I# `* ?) g( a$ J* X
- if (writeparam(mac, stbid) == 0) / i! k0 s4 X4 ~; w$ ?
- printf("Parameters changed.\n");$ Z8 ?4 g7 m* i7 i7 [+ J5 F
7 n4 Y) G5 \! ], e( o8 p) o6 I! i- return 0;2 c Y% A2 u0 W9 ~, a
- }
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