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。& @9 F- n, M. B1 w l2 [- d6 ?
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 G$ I2 q- ?9 r - #include <malloc.h>* f0 F4 b5 l8 R6 y! Q
- #include <sys/types.h>: A P9 O; j; j1 u
- #include <sys/stat.h>8 J6 {9 C, t/ x' E" @% d
- #include <sys/ioctl.h>
1 W$ I) Z7 R$ o1 q1 @' Y9 [( c7 t - #include <stdio.h>
. ~7 B0 S% ~; f0 h1 T - #include <string.h>
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" f# m2 h9 R! }$ d9 l+ g/ ~- typedef struct {% s( N ]/ e& y+ t: k- Q
- unsigned int e2prom_cmd_sub_addr;
$ w3 E: A/ ~0 H9 {' V! _ - unsigned int sub_addr_count;
6 d) k) l2 e. @/ m5 g - unsigned char* e2prom_cmd_data;
1 r& O/ n/ a& t1 ` - unsigned int data_count;
$ ?* ^9 A$ ~# l( l - } e2prom_s_cmd;# O4 ~* g5 n$ U7 ]0 G6 |
0 m% F0 J1 u) _# O4 T' |3 }- #define E2PROM_CMD_READ 1& L: I X+ E1 C/ N7 u. j7 O
- #define E2PROM_CMD_WRITE 21 l, q& q8 Q2 e5 t3 @
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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9 g7 w/ Z$ w% l9 j5 F- static int readparam(unsigned char *mac, unsigned char *stbid): Z+ E6 O! g- e& j1 p
- {
+ J$ G( g3 K; h - int fd, ret;
$ C- k6 ^2 | C6 O2 e. }0 v6 `$ M - e2prom_s_cmd arg;/ A4 O: ^' Y% h: R2 r
- unsigned char buf[0x18];+ m. X7 x" |4 c0 N. S
- A* H! W- x) C# ^2 V; F- fd = open(E2PROM_DEVICE, O_RDWR);
, F$ {% [) ?) o. n! h: Q - if (fd < 0) {
% s, l- N. d( d2 z: o3 x - printf("Device %s open error.\n", E2PROM_DEVICE);5 d: n3 H6 W, [/ ?8 l7 W: I
- return -1;. d% ]- i+ _3 i, j
- }
2 r7 M/ F: L( A# L - arg.sub_addr_count = 2;4 ], C6 ~5 c: g$ w! N) r
- arg.data_count = 0x18;
" z- `0 n: U0 \& n$ K5 f - arg.e2prom_cmd_sub_addr = 0x290;
0 j8 i# @. z4 d! u$ g2 N# V - arg.e2prom_cmd_data = buf;
4 w- {1 j0 {0 i ?8 R! l" p+ K - ret = ioctl(fd, E2PROM_CMD_READ, &arg);) o8 v- E7 _$ Q, T: X
- if (ret != 0) {" v! G' c! u8 h; {+ M( g0 u
- printf("Device %s read error.\n", E2PROM_DEVICE);
- y- }' S5 w$ Y$ T# S - return -1;
$ N: N; c8 }( D" G# _! R% x - }
" @/ s! x; u- R - memcpy(mac, buf, 6);
' h9 Y7 u! Y1 d; g - memcpy(stbid, &buf[6], 18);
3 {4 {# i! g( V: s- m - stbid[18] = '\0';
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- return 0;
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- # k" T' H$ w$ Y% C- d R
- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;4 r! C* [* S* {$ \
- e2prom_s_cmd arg;9 S% H% v/ j! U* a$ t# R' e+ U9 Q, S! K
- unsigned char buf[0x18];# z# b( o$ F5 @+ ]* p
- % S$ c3 x2 [+ {0 o# e
- memcpy(buf, mac, 6);
+ ]8 x7 O, D0 v8 `" ? - memcpy(&buf[6], stbid, 18);) q5 Y! R; n: C8 W7 n/ U) _. R8 G
- fd = open(E2PROM_DEVICE, O_RDWR);
2 q8 u0 { |& | N, ? - if (fd < 0) {3 e+ \/ g' s0 @9 `1 x6 v6 \. m
- printf("Device %s open error.\n", E2PROM_DEVICE);
. X, ^5 X0 S0 ` - return -1;" V( Y$ o( `: K2 R1 u7 q! B6 c
- }
/ b2 {! \# U O - arg.sub_addr_count = 2;
: m6 ]& v" z- b, t9 g - arg.data_count = 0x18;
/ f% a$ v. _! x4 ^* { x - arg.e2prom_cmd_sub_addr = 0x290;
' r# {# |1 |* P0 a - arg.e2prom_cmd_data = buf;
& K; x' N: Y; r/ Z - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
+ s+ L3 O! m3 I - if (ret != 0) {" K! x; ]5 d1 }$ h0 t$ K" \; O9 J' C8 |
- printf("Device %s write error.\n", E2PROM_DEVICE);4 c7 Z5 k: T" B& x1 W" D5 p2 R+ o
- return -1;
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- return 0;
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- int main()
& c1 w- k7 ?/ u) f" D3 [8 A4 Q - {
. _: g$ ~# Y8 Q( k+ R; l - char c;
5 Q! T. Z* W3 Y( \ - int i, macs[6];8 j/ A+ ], g- f
- unsigned char mac[6];
: e8 r: X* f! B - unsigned char stbid[256];1 N( p: t+ q7 p3 i! I
7 r6 R% q( P9 g. L: v' b) W' t- if (readparam(mac, stbid) < 0)
# z& v5 G: E# c' ^ - return 1;+ ]% A7 @, @4 b/ G2 g/ }
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- printf("Current parameters: \n");5 z( }5 N3 _# Q: H+ A1 D
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( R. ?- M& U1 a6 Z - printf(" STBID: %s\n", stbid);4 v$ M u9 t4 k6 j* J
-
' b9 t: a+ w2 z. @ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");' r; j/ a% a2 e
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
) r& s9 Q0 ~, K; ?( m, B/ P7 z6 ~ - printf("Input MAC error\n");
7 B' v$ Z6 p" R# N5 y! M+ G T - return 1;" c! Y+ u+ c; E, E3 F
- }, S$ \& o6 ~$ R/ @; F
- for (i=0; i<6; i++)mac[i] = macs[i];: ?4 |+ U/ j9 L+ R
- printf("\nPlease input new STBID: ");
0 `) ]5 \" t: u4 o( d+ d( o0 S - scanf("%s", stbid);4 k+ { W2 G: D1 t- U
- if (strlen(stbid) != 18) {% E- u7 j4 F" R% ^" t
- printf("Invalid stbid\n");/ ]2 _" `/ @0 R" R
- return 1;* B0 q9 Y. ~1 U
- }
. S6 R6 H- Y: @( p - printf("\nNew parameters: \n");
" k4 A$ @% D7 z% E - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);) q! q; {0 p/ G; s# |' g4 m
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
B5 p% n- B0 A - for (;;) {
; ~( N% G# z% S, I% B6 v - c = getchar();
9 L& {: u' e' I( g - if (c == 'y' || c == 'Y')2 C4 i3 Q* n) P0 R
- break;/ Y* }! _9 C, B7 M: ]1 [5 l
- if (c == 'n' || c == 'N') {; R4 d5 i+ l/ P# r9 o
- printf("\nAborted.\n");
# @* N3 _* D1 s% I; Z2 V - return 1;
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- }/ I1 P: I- H2 o
- if (writeparam(mac, stbid) == 0)
! Z3 L" w0 c) j+ I4 f# ?% H( X - printf("Parameters changed.\n");- h9 g( ^( ?7 S
- / g/ d: Z$ a. q
- return 0;
7 _3 n# N) R0 t+ q, M' z' e - }
复制代码 |