本帖最后由 0522 于 2012-3-21 23:04 编辑 ; B6 I3 B0 t$ d7 ^# t- _! @* \
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修改的代码早有了。到今天不会编译。3 h2 {9 Z3 L* m0 J- s
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
+ j4 \: I4 O6 b2 I$ q5 J1 m& d - #include <malloc.h>
2 p) f6 x7 W6 e { - #include <sys/types.h>/ T4 F2 l0 c* t/ e! J' A
- #include <sys/stat.h>
( Y- O2 |; m0 n* A7 W - #include <sys/ioctl.h>
/ O" n. q5 q" c' z5 {1 d7 o7 o - #include <stdio.h>0 E5 p0 J; R/ n0 }$ |+ G) g
- #include <string.h>
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& e" y# D/ D( \% `- typedef struct {9 ^ J/ v4 f( A% u' X. C3 l" |6 J
- unsigned int e2prom_cmd_sub_addr;
$ N9 p0 E0 S J! t$ ]) n5 G1 Q - unsigned int sub_addr_count;5 W+ K2 s. o2 P" J4 E( x# U
- unsigned char* e2prom_cmd_data;% Z4 ?3 ?8 P. ^7 p4 A
- unsigned int data_count;
4 V( h7 n" u8 p" l6 n. S3 r' r" f! S - } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 13 v8 l6 n+ ~8 l3 @7 J/ `. m
- #define E2PROM_CMD_WRITE 24 |, J( ?+ |( ]2 ]. i0 G
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": I) i8 A7 W: v. o8 ^' @# s7 a
; r: @1 F' t. o0 X& A, t- static int readparam(unsigned char *mac, unsigned char *stbid)
# S8 J3 ~' e. D F2 m d: x - {- \* d( H3 ]2 |( L9 A
- int fd, ret;
' u% Z- {- {* _5 A5 a! I - e2prom_s_cmd arg;
. J/ r/ {; Y: C9 W - unsigned char buf[0x18];
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% T A$ e) |) V$ i/ u6 D( {. B- fd = open(E2PROM_DEVICE, O_RDWR);7 i/ A3 M7 o& E7 s4 k
- if (fd < 0) {
& x9 _# `! R; i. x+ G3 N - printf("Device %s open error.\n", E2PROM_DEVICE);+ h2 W: r, T( w M4 E: G6 ?' b
- return -1; I# o" ?: `) p0 D. h5 v9 |
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- arg.sub_addr_count = 2;( d) p$ S& ~ Q* S
- arg.data_count = 0x18;, h0 d& `9 }$ j. [! @
- arg.e2prom_cmd_sub_addr = 0x290;2 x3 f3 I1 `" f
- arg.e2prom_cmd_data = buf;- V! m7 u* i; o/ ^- |0 z
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
' N& K; H) a- g! r$ }5 F/ f, D - if (ret != 0) {( L5 q1 {9 v8 ~4 `
- printf("Device %s read error.\n", E2PROM_DEVICE);
; V( L& y( N8 a) { [+ w - return -1;
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- memcpy(mac, buf, 6);
# G0 ~+ e w- Z) Q1 U& a. { - memcpy(stbid, &buf[6], 18);
+ B( x$ c0 ~( a - stbid[18] = '\0';8 _* k+ ]3 f6 d2 h
- 6 W5 ~4 P& x: j7 B2 e% R
- return 0;: ^8 B( d) Z9 O1 a4 b( X
- }, Z2 m: u* o4 d; }
% h" g0 Z; d6 D! \: h- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
1 O0 k: c& J9 c& w5 }7 D' o - e2prom_s_cmd arg;" I% k1 B. z3 q7 B
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);. e9 @9 n" F1 \
- memcpy(&buf[6], stbid, 18);
, Y) P, {& {$ z, b1 v( N - fd = open(E2PROM_DEVICE, O_RDWR);
: r' n0 p3 l7 K1 v; T* F - if (fd < 0) {) x: W' p, }2 z& J
- printf("Device %s open error.\n", E2PROM_DEVICE);' W0 M0 E2 d& r
- return -1;
0 n( ^ p6 l) B. { - }
' ~% W g; ~, _5 d$ H - arg.sub_addr_count = 2;+ \7 g5 ~0 \& U) w+ V; @7 e( s
- arg.data_count = 0x18;3 M B3 h" G/ t* o. K% ^ i1 e* m: C
- arg.e2prom_cmd_sub_addr = 0x290;5 x% @7 M" v+ j: J9 e
- arg.e2prom_cmd_data = buf;
% }9 ~" e$ G0 l- ]9 U - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);, p3 s+ x; U( c
- if (ret != 0) {
- `3 ~$ o. o4 G! B - printf("Device %s write error.\n", E2PROM_DEVICE);
1 g5 p! R9 k+ x. {0 ^; O3 l - return -1;7 n O q: h$ s1 m% \7 O
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. V8 \$ \" R4 W- return 0;" E, z- I {$ @, a4 G! ]% U; Y$ N
- }
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5 J3 }( V9 P/ Z- int main(); t: V4 D0 f |0 ~: _
- {
: T1 |; l( [# a3 D3 l1 U; Z1 u - char c;
6 ]4 r9 b* ^$ w( N2 K6 B1 X - int i, macs[6];
, _, Y+ C/ r4 k6 _, k6 Q& t - unsigned char mac[6];# q0 R) ?5 T* M
- unsigned char stbid[256];
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1 b) L+ L0 n+ S, m2 ^; u7 B- if (readparam(mac, stbid) < 0)
" c& b1 B4 t( Z" U- ^ - return 1;
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0 @5 ^- o# ]8 e5 v2 _- M- printf("Current parameters: \n");
# F1 v4 L4 p x# p! L2 s% c - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 D, M/ i3 T; {, I9 ~ - printf(" STBID: %s\n", stbid);
4 L- c8 ?+ V, g; a" F -
7 q6 n8 n7 b% O. f( f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) Y9 }0 h! D" W0 G1 a4 _, |- @$ P - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {/ t' Y5 e: Q% K
- printf("Input MAC error\n");, M9 f7 s4 h2 g o2 e8 ~% X
- return 1;
* ~3 A. N7 ^% P, Q4 @2 | - }
% _% x9 }9 c( v! D1 O$ b& H, K - for (i=0; i<6; i++)mac[i] = macs[i];0 Q! v) f! `* ]# @1 K8 ]4 C3 ~
- printf("\nPlease input new STBID: ");$ |; V: d: T: i, o |. B
- scanf("%s", stbid);8 X5 i7 N* t: L/ t- {7 `
- if (strlen(stbid) != 18) {2 ]( D" y; m. M8 X
- printf("Invalid stbid\n");
2 q! @ p# e+ Q5 X; O! x - return 1;2 F: j+ E' u% f$ J9 I% T$ i
- }
! ^2 }0 r, P( y: q" u) z - printf("\nNew parameters: \n");/ T- Q% S ^3 F9 V0 e5 J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);3 V Z7 i/ ^* \) ]8 p+ m
- printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");% V0 M2 T! R( |+ N- @
- for (;;) {# z! X! a+ o% E1 z
- c = getchar();% [" i/ I/ P; {" c) E
- if (c == 'y' || c == 'Y')
# e$ |) k) g; v9 n, s; D - break;" [* N% {4 Y/ P: U5 [$ a
- if (c == 'n' || c == 'N') {
4 i# u( a# g# m$ R9 ^2 s$ q, ] - printf("\nAborted.\n");4 T4 |' d% @) {3 N( Q, I
- return 1;
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- }
$ Q q9 F) N( @9 V/ r l - if (writeparam(mac, stbid) == 0)
% O8 U3 k% q" V0 W - printf("Parameters changed.\n");8 [1 q/ N5 L+ K0 `* M' d$ [
2 }" N9 `5 s6 F+ v2 I" v5 a- return 0;
) U6 P0 }; E. P4 q0 N- ^ - }
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