本帖最后由 0522 于 2012-3-21 23:04 编辑 / M1 F2 V6 [' A$ g2 P1 b' W
9 t+ g/ K+ h: L; x4 W" C) r修改的代码早有了。到今天不会编译。
% T$ H6 @+ d# p3 p5 `需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
/ n# W( L- W( i - #include <malloc.h> g, F5 o i" E$ U) U2 \
- #include <sys/types.h>
_( ~& n! s2 ?9 d - #include <sys/stat.h>
* J8 p+ G0 C1 g6 b; R - #include <sys/ioctl.h>2 s9 N& m; H+ e% j+ a% a; `
- #include <stdio.h>1 V2 V: R3 l" k6 t( H0 C! k$ l* u
- #include <string.h>
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! ^- f& D! X# _+ A- typedef struct { |4 I, O; v. \0 N; W0 ^
- unsigned int e2prom_cmd_sub_addr;
. U6 K5 ]) ^6 @% `. l - unsigned int sub_addr_count;
6 C. M2 i+ V! B# w: n3 W. ~ - unsigned char* e2prom_cmd_data;
% s N/ t/ M+ m0 b - unsigned int data_count;
& e3 R' F2 t s* K, s: H6 _. Z - } e2prom_s_cmd;9 d( n" F1 i& c9 {
- % p9 r! \. [) R
- #define E2PROM_CMD_READ 1
) p S8 @( v4 Y - #define E2PROM_CMD_WRITE 2
: G/ k' Z/ g6 ]: l O' \0 y$ ? - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)' _6 J' w" n0 r/ n( k
- {
# f9 c$ e% {5 P ^; q - int fd, ret;
+ i) v0 i- s+ Y7 f, g4 |) C - e2prom_s_cmd arg;
0 X3 s7 F& w8 }* I" l$ t - unsigned char buf[0x18];
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: W* m5 z: |: \6 ]8 m! y- fd = open(E2PROM_DEVICE, O_RDWR);, I" m. | W+ D0 b4 {; i
- if (fd < 0) {
6 f1 T4 Y; o8 N - printf("Device %s open error.\n", E2PROM_DEVICE);
7 P/ N. y( T8 p g - return -1;
/ W& i4 ]+ C* @8 L# E% C% D - }
2 U# ^( U5 u @/ j- m9 T( y( u8 b - arg.sub_addr_count = 2;
1 L/ L% O4 Z3 C9 l" r - arg.data_count = 0x18;
7 t& Q* K) p; U; Z3 N% P - arg.e2prom_cmd_sub_addr = 0x290;
9 r+ \. Y) m6 R$ Y, ]; Y# w0 E - arg.e2prom_cmd_data = buf;9 ^3 x4 Y' o5 U3 @; c7 b
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
. q7 w* M; D9 D% f$ Z3 s - if (ret != 0) {
9 l% F6 w# V4 R - printf("Device %s read error.\n", E2PROM_DEVICE);
5 R: k1 r+ \( e! c R - return -1;
/ r2 B& T% @) c3 \" I0 i- Z( F - }2 e# X, e& a! V/ x0 Q
- memcpy(mac, buf, 6);: r$ j2 z8 i1 z4 @( v V
- memcpy(stbid, &buf[6], 18);
& u$ g$ U# R/ Q# q1 _ - stbid[18] = '\0';
; E/ a: t% N8 d$ d1 W - ! o* r1 p$ C* d/ v3 T0 p5 N
- return 0;" U' w7 |$ q5 c# X' e
- }6 c0 F+ O9 V* b" N+ z( t
- 9 O! \2 b/ z- t
- static int writeparam(unsigned char *mac, unsigned char *stbid). v0 a$ `2 `* J" o
- {
1 Z. o. D) B6 M6 c% @- G - int fd, ret;
7 F7 Q( a6 V% L2 t( F2 R - e2prom_s_cmd arg;
# ]( W. M- l: k5 _& {* z1 a - unsigned char buf[0x18];: W8 p( Q `0 `) ?
; P1 w9 ?! O0 L- memcpy(buf, mac, 6);- [; H2 _3 \# y5 o" J$ H
- memcpy(&buf[6], stbid, 18);& C% |( N% [1 A0 S
- fd = open(E2PROM_DEVICE, O_RDWR);3 q/ F' K0 Z' n, t1 Z
- if (fd < 0) {: T6 }$ A6 |+ Q8 V }- f
- printf("Device %s open error.\n", E2PROM_DEVICE);# R0 j& _% s" k* d9 u2 u; H- H0 F1 w
- return -1;
( [) v2 F- T' ^ - }
! \4 R" c3 M2 p! W `* n, ] - arg.sub_addr_count = 2;" f( Y: d2 w& W, g2 N
- arg.data_count = 0x18;
# v5 G6 i& J" {# P1 {+ E4 k - arg.e2prom_cmd_sub_addr = 0x290;4 x* f% @* f. _- a* V8 H- D
- arg.e2prom_cmd_data = buf;3 l- j! `; E$ A' F9 w) M; G
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; A6 X8 I% ?( A) C" y - if (ret != 0) {2 r; ]' l% b$ |0 {( i. g/ Z
- printf("Device %s write error.\n", E2PROM_DEVICE);
# j1 U: P! N: u - return -1;
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- 5 M- ]% Z7 X2 |* S6 J
- return 0;/ R( p" n2 j# ~0 E) M8 T
- }4 x" W! y8 o0 P- m) w* `0 f
- , S$ o/ p4 ?, I' Y8 Y$ A* p/ l
- int main()1 Z! q8 }+ d( q$ b' q' M& W2 E
- {
) E) B3 I6 {, D2 S* H/ S8 P - char c;7 R6 ?3 l* A4 @2 x l7 {
- int i, macs[6];' B2 }* u* M! j7 f* E0 k
- unsigned char mac[6];, k" v' F) D7 V; F5 D) h( C
- unsigned char stbid[256];9 S- b2 ~6 o3 B4 m
- - f$ T2 G9 T+ o
- if (readparam(mac, stbid) < 0)* z X* ^" F& ?! D8 i8 w6 Z
- return 1;
+ B1 Y6 i0 i/ C: t0 e: X8 a' g2 N: f' X - }* W- a! N% J. f. Z) Y6 ~
- printf("Current parameters: \n");, j+ F! f# }5 ^" m: T1 C
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);! E! Z& Y0 H, D+ Q( P% `+ @
- printf(" STBID: %s\n", stbid);. ?) }- ^/ Z, G! H6 {( h. E
-
' T" w' e( g7 h: L& R - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
% p# _6 E: ^( y$ w- [ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- {4 K R# w9 R, y2 y% y2 l V6 P' i - printf("Input MAC error\n");
' {4 X! y& j9 p K1 B% ` - return 1;4 u) ]! H) o" o+ D, n, L* y
- }
2 X$ g8 B9 x5 u - for (i=0; i<6; i++)mac[i] = macs[i];* U) q) p$ E) V" V
- printf("\nPlease input new STBID: ");
$ a( v$ A! j! @$ F" v - scanf("%s", stbid);$ M( l, m6 p/ X; k( M T
- if (strlen(stbid) != 18) {, J8 L6 b+ ?9 X& f) y4 k
- printf("Invalid stbid\n");
& `. }+ {% O2 Y/ v! n( N. C. n7 ?1 D3 l - return 1;, @8 B5 D. B, f: c% l
- }9 E2 x' F- D }4 }
- printf("\nNew parameters: \n");- L" T7 Z2 t- {* F8 @5 B; \9 C$ z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);/ x Z% B4 Z0 V: {+ H/ x, m3 I
- printf(" STBID: %s\n", stbid);6 O* H1 E* ?) \. {# t
- D/ y( D0 f( s8 }- printf("\nDo you want to change paramemters? (y/N) ");4 t5 _% M! g7 q. V a
- for (;;) {& S6 e8 @0 Z; O& P
- c = getchar();
! e' s# x+ `' v+ b! r. F8 g - if (c == 'y' || c == 'Y')
5 w8 U2 C2 B1 M1 q. i; K! \3 K' a& P6 @ - break;& W+ u# k* h: P+ A
- if (c == 'n' || c == 'N') {& i# U* }+ }* B8 y: w$ p0 `+ h8 ^
- printf("\nAborted.\n");
* `8 F1 @9 X; {( |" V# t% a+ J - return 1;5 T. [7 A- s4 O5 c
- }3 q3 [% u) l$ E" Y: q6 r
- }# f( L4 X5 i% F: e
- if (writeparam(mac, stbid) == 0)
6 y7 j# E9 b3 C - printf("Parameters changed.\n");* i5 [6 \0 ?; x8 ?2 a% ^! ^0 m
& d& x9 d9 `3 {+ U, O* x- return 0;: Q) c* H9 X- q1 h
- }
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