本帖最后由 0522 于 2012-3-21 23:04 编辑 # C: x5 ^" ~% x" ?2 v
# F: m" k( o$ o/ E) K
修改的代码早有了。到今天不会编译。
! S+ B4 d0 ^9 X" \" K9 T( b3 T需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
: N( u: z4 N2 C1 D ` - #include <malloc.h>9 @+ {" o) V* i5 w- r# f. y; M
- #include <sys/types.h>! U: m! `, B6 V D! Y m! I8 s
- #include <sys/stat.h>* Y& V# e# T# L
- #include <sys/ioctl.h>
2 n- j7 g2 Q: n - #include <stdio.h>7 F4 }0 g! C" t! T2 x5 t
- #include <string.h>5 x& b) o3 e' p* A
* r+ V/ R) ~0 X' R, }2 N. }) e, [- typedef struct {* P3 h" v# z- ~, U C- n( w7 @
- unsigned int e2prom_cmd_sub_addr;4 b6 ?; }4 |* f2 J1 l4 S
- unsigned int sub_addr_count;+ d( z. u% B4 w. _
- unsigned char* e2prom_cmd_data;0 z& B6 H- M5 c0 \# m2 E
- unsigned int data_count;
. X6 |$ r9 ^$ S) `: D' R a) m0 } - } e2prom_s_cmd;! Q2 o7 U, H f( n
& }2 ^6 l' L$ Z2 u2 Y4 D- #define E2PROM_CMD_READ 1
7 G5 `/ W. q; j: _; J( F2 k& S3 x - #define E2PROM_CMD_WRITE 2
( z q. h; ^+ U# I: ^# M - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"+ q' R: L0 Y7 K2 D1 \2 D
- / M/ Q' F5 I/ u- s W, X
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
, [- m; J, t/ u0 l) r - e2prom_s_cmd arg;
. U9 P& r9 `/ a" S - unsigned char buf[0x18];
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4 I, `( n) q1 _; I' B8 v' F6 N- fd = open(E2PROM_DEVICE, O_RDWR);1 u2 I- E3 e) @2 w3 H0 q6 v
- if (fd < 0) {
4 Q$ }, q4 p0 i6 l# L* s - printf("Device %s open error.\n", E2PROM_DEVICE);" {( `1 N% n; w
- return -1;# B5 Z4 r0 E E: i: V) i
- }
8 N. |6 F8 V( W8 h) b. n9 v# E2 P5 J( p } - arg.sub_addr_count = 2;% E3 w+ p7 |! P
- arg.data_count = 0x18;9 ^( C8 k& B) o1 G6 C4 u9 o1 \
- arg.e2prom_cmd_sub_addr = 0x290;
+ i9 Y6 `& j, S3 Y8 f1 z - arg.e2prom_cmd_data = buf;
! @( M% X7 O' \: L( A( d+ |2 M - ret = ioctl(fd, E2PROM_CMD_READ, &arg);6 A! w x9 \# r# A' X
- if (ret != 0) {2 T" Q# x: Q* h& O
- printf("Device %s read error.\n", E2PROM_DEVICE);0 }- \2 L) z8 E
- return -1;
( ], e3 {! U- ~' M0 Y# `+ n - }
) ~; R/ y0 c8 |% s9 R5 U - memcpy(mac, buf, 6);
: y! d. s* d1 h$ [( G* q1 c% z7 t - memcpy(stbid, &buf[6], 18);
' O1 K3 v! ?" r - stbid[18] = '\0';
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; q: J$ G9 h/ e9 m# ^3 }- return 0;
+ \, Y2 s2 S' ]3 I' E/ c - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)3 r" L3 [0 R) d: s) ^6 w5 {$ l
- {+ P* y, F& f. K. V7 y7 |5 k: ^
- int fd, ret;' u: l. b6 m" U' V' }- A
- e2prom_s_cmd arg;
% w, o: K( G/ s: l j - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);0 R0 q" n7 W* ^( M: g+ e2 d9 q5 a( u+ i
- memcpy(&buf[6], stbid, 18);
6 y. H' L+ R0 a5 \ - fd = open(E2PROM_DEVICE, O_RDWR);
2 }: j4 O( D' x2 _ - if (fd < 0) {
2 [* i0 N: x# _4 ? - printf("Device %s open error.\n", E2PROM_DEVICE);( H: {$ o" Q( s5 Z5 d7 q
- return -1;1 T) e9 E9 z# N# n* U5 }
- }) O% D2 g( H7 D1 ?9 {, J
- arg.sub_addr_count = 2;) k! j: c, B( }; `, O7 \. p* E
- arg.data_count = 0x18;! P7 X3 e5 e3 A$ l
- arg.e2prom_cmd_sub_addr = 0x290;
( g- H& ^/ b& P5 R+ u( O - arg.e2prom_cmd_data = buf;! ]# t% m' u2 g% U I% |3 ~
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);9 F2 g/ i3 G* g2 `1 `9 D7 G" Y
- if (ret != 0) {
/ g! k4 F+ G; O" x2 k ]$ w- g: a - printf("Device %s write error.\n", E2PROM_DEVICE);
7 J$ _- `- J5 R! u# N$ T4 \. n1 P - return -1;, q1 V5 E1 q, y: A7 Y3 N: p6 c
- }2 l+ O. ]5 o8 ^- s+ v: t* S
- % ^; W, r4 I7 i3 @, Z
- return 0;7 q$ q4 w1 m/ ~/ i3 h
- }
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" ]# D4 d% e$ }7 T: H2 n- int main()
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- char c;
6 I$ i5 O' r/ G9 T - int i, macs[6];" z- c% p5 g. F# ]9 a2 W/ T, j& W
- unsigned char mac[6];
7 e$ Q; v5 _0 |! L% K - unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
" T, a( ]$ f- m% r0 Y4 o - return 1;0 |% x3 W4 i7 G4 z7 D' ]& _
% {/ m: |$ l& P5 p2 r1 C" g) |- printf("Current parameters: \n");
8 k, T1 s) E4 o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
" |+ N* e% `1 H3 |: e# N - printf(" STBID: %s\n", stbid);7 d- g) V* |- J; [* u0 J
- ' Q+ \; J5 I1 K% M7 ^- f8 `
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
{7 O4 \( D/ F" u - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {' F: t; \4 d! B* x) s% h9 L7 s
- printf("Input MAC error\n");9 J; j& `2 }, t1 K
- return 1;6 i- K+ m1 O7 B9 \7 s3 T
- }
' W3 `8 L. R7 `3 a% p3 B- ^ - for (i=0; i<6; i++)mac[i] = macs[i];
% |7 g! X- ^0 g4 a - printf("\nPlease input new STBID: ");/ m+ T+ ]" H: [1 n9 C. v$ z
- scanf("%s", stbid);% \8 B& A( j8 E2 m
- if (strlen(stbid) != 18) {
/ R/ F D) d% ` G9 n - printf("Invalid stbid\n");
4 D0 u9 C- y( c - return 1;
% h' ~6 Z8 L* s) { - }
; {# P0 E" N% W t - printf("\nNew parameters: \n");7 E. n3 T- a- w" h4 d! z
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);+ m" D/ t6 d; T- G
- printf(" STBID: %s\n", stbid);( o4 u: X% b* A y7 |# u
6 w- I6 ?$ \; O' u- printf("\nDo you want to change paramemters? (y/N) ");! S. Z9 q1 q2 b5 N$ j& \
- for (;;) {
! T# e. t0 I8 H) X - c = getchar();
$ ]7 R+ D- s/ X6 P6 J: O$ Y - if (c == 'y' || c == 'Y')
( C, U1 b( W' N - break;
, z/ J; I/ k6 [ - if (c == 'n' || c == 'N') {
; [: I9 c+ A! c c4 }/ D+ v9 | - printf("\nAborted.\n");
2 _; K! d/ I4 P. K9 \ f1 b9 i - return 1;% w8 K% k1 \! c0 ~0 ~
- }4 H- y0 K- q. d& Y9 }
- }
3 X* l/ h8 r3 N J! }) M! ] - if (writeparam(mac, stbid) == 0)
; k+ o* i2 E/ t8 A3 {. p6 Z - printf("Parameters changed.\n");7 Q; z$ \+ L4 W3 T
- ( V/ V O3 h, ], m; }' m( ~
- return 0;. ]' o5 b6 ^% `8 b0 c4 e8 |
- }
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