本帖最后由 0522 于 2012-3-21 23:04 编辑 9 [/ b( d6 r6 r- c. s8 e9 h+ }
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修改的代码早有了。到今天不会编译。0 \& z$ A# B) e$ Y g5 a
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 k4 c! K" } f% [' l3 Z$ s
- #include <malloc.h>
5 C& O$ ]. c3 o) s* r1 R - #include <sys/types.h>- }7 M) K7 @' i; }
- #include <sys/stat.h>5 B5 Z( \0 J% w( ]3 @
- #include <sys/ioctl.h>
3 Q% |! i7 p2 [: r$ p - #include <stdio.h>0 ^" v5 g( a$ p4 q. ?' s- T- ]
- #include <string.h>
- v3 c' z. w: ? P1 r; c) @
: G+ v& p: U4 i) u7 s* ^- typedef struct {) w& {' X# D. K0 {3 w6 ]0 C3 k
- unsigned int e2prom_cmd_sub_addr;- K; g7 i7 c% f' K
- unsigned int sub_addr_count;: ~: V/ i/ s: U
- unsigned char* e2prom_cmd_data;% Y' W) v! I" v0 u6 R. H5 W
- unsigned int data_count;
; l2 s" P: a2 }8 E- l - } e2prom_s_cmd;; @" |* C4 ?# T/ w3 J; q+ y P
; R+ g0 n3 Y5 I. l( o- #define E2PROM_CMD_READ 1/ E; E# \" q* P( g1 p, y
- #define E2PROM_CMD_WRITE 29 ~9 v; \+ O; n$ p7 I1 B
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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/ v% A7 T9 X2 o- static int readparam(unsigned char *mac, unsigned char *stbid)& r+ b' v" ^2 k5 I5 r# H" O
- {
/ C, |* [$ z/ _: ` - int fd, ret;4 E$ K& k" d1 u0 R4 L" h
- e2prom_s_cmd arg;; d J; v- s; e' N* j5 ?- U" J4 V) u
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);5 I4 N# m- O% J: h
- if (fd < 0) {# l; M4 O1 R* b# y1 `, c
- printf("Device %s open error.\n", E2PROM_DEVICE);5 K, t0 Y; k+ N: V% d/ X4 f- z% L
- return -1;
' f2 j# C) S2 g" U - }
& W. G5 E/ H( \+ J/ v# Q$ T# O1 M - arg.sub_addr_count = 2;- W0 d! [1 q" W
- arg.data_count = 0x18;& n( D% U1 F) ]$ Q6 W- C/ ]9 ]
- arg.e2prom_cmd_sub_addr = 0x290;& d& s1 b/ T1 q$ r
- arg.e2prom_cmd_data = buf;
- [% T+ n! ~7 p$ ~& Y+ m1 D$ t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
; o' Z. t2 A6 }) m) B - if (ret != 0) {/ J: f9 Y, k3 y: U. T' L
- printf("Device %s read error.\n", E2PROM_DEVICE);
; v- J, ~5 M# o- [/ f: K' ] - return -1;
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- memcpy(mac, buf, 6);7 a2 }" @5 R* H! s) o$ g. ?
- memcpy(stbid, &buf[6], 18);( x0 [5 E4 i5 a, |# m
- stbid[18] = '\0';5 R( o- n+ \+ }# D# v0 z. X% v
2 h8 n, g9 n! t0 o/ I- return 0;1 U9 s; P6 a8 h+ N
- }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;9 }0 [0 Y1 o; O+ T' a
- e2prom_s_cmd arg;7 E. P; L- P* F9 S% L4 }0 U
- unsigned char buf[0x18]; q+ R) ~1 ^ l
; `1 |! R, q$ j, i- memcpy(buf, mac, 6);+ V7 j# j% s% J0 ^0 E
- memcpy(&buf[6], stbid, 18);+ R1 S+ v @" b" j4 C
- fd = open(E2PROM_DEVICE, O_RDWR);
* ~& U% m( t* l3 q - if (fd < 0) {
4 w# Q, }/ S- E - printf("Device %s open error.\n", E2PROM_DEVICE);
# p( U% o8 b+ m. L' j1 H7 O5 V' L - return -1;
. n. D3 n$ _% x, J7 K - }
/ D; ]6 Q2 K) n- e - arg.sub_addr_count = 2;
* c; [+ V0 m/ U ?4 C& Y2 J* x% L! l - arg.data_count = 0x18;
; f C! t) G% B4 @ - arg.e2prom_cmd_sub_addr = 0x290;
) ?* T1 l# X' I+ _# [7 c' \! _ - arg.e2prom_cmd_data = buf;
6 F6 I5 h6 S/ \: ]" Z% { - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);) s2 t3 q- L, O) U, u
- if (ret != 0) {
2 f+ k2 N7 c( S; f' ?# E1 h - printf("Device %s write error.\n", E2PROM_DEVICE);$ q4 e. x2 X$ Q" ~1 i8 o$ C
- return -1;
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$ G# i5 s1 z% Y, P) [3 z- return 0;
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- int main()$ S0 `4 `' F4 E
- {
9 F9 X3 B* |: ?, b* Z2 N6 {. b - char c;4 ?- W3 F* I! b5 w' G
- int i, macs[6];2 ~8 m7 {" o/ N5 E& R( k2 `
- unsigned char mac[6];
6 C/ d- ^- c+ R& C - unsigned char stbid[256];: K6 {5 K. O/ S) |
5 j" ]: a. l6 e0 A- if (readparam(mac, stbid) < 0)1 X4 P1 [7 }: R5 V& g- P2 M
- return 1;# S) M8 m* S0 |) g, S! y
; @8 ?' l' k2 d4 _$ J- printf("Current parameters: \n");7 Z! \' m% D& o6 N# ^
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
& D0 x8 l: \& N5 i+ W$ L# }, e. e - printf(" STBID: %s\n", stbid);
2 ^# b C, b+ J -
8 B3 G3 |$ k4 X4 X" b9 x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
9 @ ~9 m: G9 y9 ? t% v - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
/ `$ ?9 ^( x7 s, F3 v! ^$ B7 R; f - printf("Input MAC error\n");+ b9 @8 t4 A# {, }* k$ ? a
- return 1;
7 g- s z1 f5 o2 L% c* B% I - }. s* d: q U! _: ~% }
- for (i=0; i<6; i++)mac[i] = macs[i];
6 g' w) S: k' @7 d' h - printf("\nPlease input new STBID: ");
9 p' E0 ?) u) t - scanf("%s", stbid);
8 ?! e" o( {1 s& H% o - if (strlen(stbid) != 18) {" L" H) C! g0 r; D
- printf("Invalid stbid\n");' L! |5 i4 D8 m# D6 C1 A6 o! m: F
- return 1;9 z4 k2 q; _7 i5 F/ S
- }
( c( E+ x: t# O, E! Q* M" E - printf("\nNew parameters: \n");& O7 X0 L, u F6 P& _/ O
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 G I/ ~; T; X7 y
- printf(" STBID: %s\n", stbid);9 r- b: f6 x* E. l9 |" g
- 2 L R. N ~: K$ u2 N
- printf("\nDo you want to change paramemters? (y/N) ");* p$ `/ q1 r/ D- X
- for (;;) {
9 k5 }: z3 I1 M: C" c - c = getchar(); P0 G, m5 ]8 ?: |" i
- if (c == 'y' || c == 'Y')
+ a2 S/ a4 }8 g0 Z: _ - break;$ s% t5 T- m; O+ o
- if (c == 'n' || c == 'N') {
U. m; c' X7 ?# [$ X4 i9 ^- x - printf("\nAborted.\n");
+ @+ e+ d. ^: B3 k& w- o* d - return 1;
% ^* G" s, r) G+ z! c! ]6 K; w - }
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- if (writeparam(mac, stbid) == 0) 4 g: V: `2 {6 V# i0 w0 R0 N1 k
- printf("Parameters changed.\n");! U# K% g4 b# K+ l; S9 F3 C
- 1 m8 A/ [1 g+ k$ o( r
- return 0;3 ^& ^& v% \0 E
- }
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