本帖最后由 0522 于 2012-3-21 23:04 编辑 ' e0 X- @% _' q8 G, _
# x$ [+ }7 W' _ b修改的代码早有了。到今天不会编译。" P2 s5 |! o% n9 _$ [4 N* p& u) H% L9 o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>% Y3 I% P9 J0 T
- #include <malloc.h>
) x+ S1 j# [6 X. U# O8 N) [ - #include <sys/types.h>+ v% w2 V# h: J' A+ I- X
- #include <sys/stat.h>' b9 ~; W4 Q, W! C' Y+ o
- #include <sys/ioctl.h>, d. I, T! k# {6 y
- #include <stdio.h>
9 K; ~9 S; I' V - #include <string.h>
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- typedef struct {
. i7 q! M$ H9 j; Y0 I% `/ I - unsigned int e2prom_cmd_sub_addr;* n' N8 s# k( U5 N% c. S
- unsigned int sub_addr_count;. ]. p' \6 r4 ?: R& V, u7 N- q
- unsigned char* e2prom_cmd_data;6 z- \9 y( B' h. p0 O
- unsigned int data_count;
O" q' g* {0 q3 d" ^2 Y8 j - } e2prom_s_cmd;( z3 ^# n" i9 ~' m( Y
- # E; z! l) t7 B. O6 d
- #define E2PROM_CMD_READ 1
, n+ v q. v3 @, P2 V" ?+ P+ n - #define E2PROM_CMD_WRITE 2
9 W2 W& \: F: } - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16": B" E7 ^" g4 A: `7 P6 ]; ^
- # R# U0 G2 @1 _* D! v* a" e2 s' d
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
1 _0 s9 ^9 [7 `2 ^8 K- g - e2prom_s_cmd arg;5 Q5 p, V* n* N1 f, O# o1 M9 \6 l
- unsigned char buf[0x18];
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/ V; m$ i% n' P5 n& r8 j6 ?- fd = open(E2PROM_DEVICE, O_RDWR);
) J* o$ |! ?( s1 X# J [5 ~2 B - if (fd < 0) {
3 E* Z8 J( K; z8 O$ h - printf("Device %s open error.\n", E2PROM_DEVICE);, b1 q# N3 W" _& h2 ^3 m/ Y+ J9 L
- return -1;
H0 K- L% N3 A) T+ G+ D - }
* ]$ B& T4 U# z - arg.sub_addr_count = 2;+ i4 w2 V t% O2 w+ Z
- arg.data_count = 0x18;: r" e" e7 f/ W4 q. x/ h0 }* E# R
- arg.e2prom_cmd_sub_addr = 0x290;
. |, @$ D g7 ?+ a9 ^! M+ D - arg.e2prom_cmd_data = buf;2 j$ F1 P( k0 W+ F. F- v0 g
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);; ^" h$ t; o+ _
- if (ret != 0) {
) T5 ~7 h8 H$ O, i- s( Y* l9 T - printf("Device %s read error.\n", E2PROM_DEVICE);9 @4 d) P) g& n5 h( h! u
- return -1;
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- memcpy(mac, buf, 6);
" j( M; p0 F1 |; Y - memcpy(stbid, &buf[6], 18);
8 O0 B8 p# h7 F+ X O9 }8 Y - stbid[18] = '\0';; O! ^* h, n5 @0 c
4 _" K8 [( n% O8 W- return 0;4 ^$ g7 `7 ~' K5 }* ]8 V9 X) C
- }
- I" H$ U9 a4 H& p+ c - 9 w7 v6 `3 j6 V+ ]
- static int writeparam(unsigned char *mac, unsigned char *stbid)
/ M! V2 S( z% n1 C2 f$ o4 \* L2 l - {
* x( z% s0 ]# K - int fd, ret;- o* A) Q/ C5 \% `9 W
- e2prom_s_cmd arg;7 c" m& o5 q$ \; F. l* ], Z3 m
- unsigned char buf[0x18];8 R' `4 Z" s) o
- " t, z4 `6 _& B0 X
- memcpy(buf, mac, 6);
- f( o1 w" Y. n# Q - memcpy(&buf[6], stbid, 18);7 E T/ s3 O% U
- fd = open(E2PROM_DEVICE, O_RDWR);
) L# n' o( M7 U/ L% v- S$ S - if (fd < 0) {4 E; S- V- R9 ~$ m. V, q4 I" c8 H
- printf("Device %s open error.\n", E2PROM_DEVICE);& p0 f$ P2 R2 k
- return -1;' l( D, p2 w) C5 r2 K
- }
% }) J" {6 R1 A# {2 o* j2 o* Y q R - arg.sub_addr_count = 2;
; n' Y8 Z' j2 Y, z/ [ - arg.data_count = 0x18;9 Z9 Q2 G6 O7 U7 k5 {0 i
- arg.e2prom_cmd_sub_addr = 0x290;' C |) l7 v3 [+ E& b2 J
- arg.e2prom_cmd_data = buf;
. }9 G) i* b+ h# N9 G - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
; }" v. Y4 A" t5 D- H( o9 R - if (ret != 0) {
2 h: z( a: ~, U0 V- P - printf("Device %s write error.\n", E2PROM_DEVICE);+ J: J: E0 O* \. t* W% P
- return -1;
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- % P1 f4 n5 d7 s) _. A# r
- return 0;
1 D8 q$ F% i( c' e' c" s4 {8 W } - }
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- int main()
. u" |5 m, Q2 g - {% L. ~" _ f) G
- char c;
2 g! J) y3 P1 E4 @9 N) j; p - int i, macs[6];
. b( d5 F1 ~! y* r - unsigned char mac[6];
/ s T0 [ a" ?. F- D# \; P: f2 ^ - unsigned char stbid[256];
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" c& u7 Y0 z; |+ Y- if (readparam(mac, stbid) < 0)
5 {: e# T; w; I" s4 ~6 C+ x - return 1;! Z W) o9 `, [" F4 y, t
- $ ?' M7 t+ e+ T Z& Y6 \/ o* p9 ^
- printf("Current parameters: \n");
, x/ @0 [8 L4 ^/ Q - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);0 S9 B1 N0 t) |5 [2 i; X6 R& o
- printf(" STBID: %s\n", stbid);( ]* p0 W2 o7 O
- ; X0 o0 v6 H3 E& J' X/ L- e% }: Q7 [
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 h, Z( q a8 K8 W4 e6 }# z - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {; G: c; E5 |/ k2 H5 N
- printf("Input MAC error\n");9 R6 Z& T+ r& a* K
- return 1;
0 J' N/ \+ s( _% z. r" Z* }/ P! z - }
, Y3 }: `, B6 Z! Y8 V8 {5 T3 P - for (i=0; i<6; i++)mac[i] = macs[i];1 p1 r6 S! A; {8 M
- printf("\nPlease input new STBID: ");' P, W/ J& z( Q% l% f! r1 Y) s
- scanf("%s", stbid);
$ O. q# \( N2 g- |$ j - if (strlen(stbid) != 18) {
; L- C5 s+ x0 z - printf("Invalid stbid\n");
' J# ^) o: E' `" ?# C - return 1;: W) I: C' }7 p- b0 k+ g1 U
- }7 s' `% r, {( |
- printf("\nNew parameters: \n");
( X$ \+ |# U9 L8 w3 ^' k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
9 r2 d- ~7 y5 S/ b2 Z( k - printf(" STBID: %s\n", stbid);
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0 W8 _8 _5 _% K# P+ k0 o- printf("\nDo you want to change paramemters? (y/N) "); G2 R1 j" x9 h
- for (;;) {% J; o' Z0 H0 z3 i- d# X6 f
- c = getchar();7 h4 \, p& V2 ]! E0 ?
- if (c == 'y' || c == 'Y')
% g9 [: b1 _( X/ Y6 ]: Z& X4 d, ~- V - break;6 p- q7 m, b2 ?& P( r: K; s0 Y
- if (c == 'n' || c == 'N') {
: x+ z7 c. y0 h) \ - printf("\nAborted.\n");
! `9 q1 j; R+ D$ m3 \ - return 1;
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- }" E1 A* [* F6 V/ O$ o
- if (writeparam(mac, stbid) == 0)
6 r5 [9 G; I5 R - printf("Parameters changed.\n");0 I. x8 {# h$ h6 _# B- j, h2 j
+ Z' O3 B. i1 k; ?- return 0;1 j1 o0 l% W3 I9 @$ ^( a9 ?5 O ^
- }
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