本帖最后由 0522 于 2012-3-21 23:04 编辑 5 \ r" p3 s4 m. J
! r; a9 W7 w6 w. J) l修改的代码早有了。到今天不会编译。
; m# Q, M4 |1 \+ ^/ Z$ W需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
" M. Y2 R% _2 ]- x) A - #include <malloc.h>
2 J& W0 e. v2 U0 V - #include <sys/types.h>% W1 o! K3 C. V' r
- #include <sys/stat.h>
. | f) I# w' K* Q, L' s - #include <sys/ioctl.h>
# O5 H; ~6 E; N) o4 v; V+ G' }5 } - #include <stdio.h>
% c/ a1 z J( J) {+ i3 U - #include <string.h>
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- typedef struct {
! G% {) {) w, Q; z- G1 u! j( U - unsigned int e2prom_cmd_sub_addr;
3 t) B' K8 J' Q( ~7 @3 `- ` - unsigned int sub_addr_count;# }" F7 P' z, Z& L. O' W* B; H. `
- unsigned char* e2prom_cmd_data;) v! j1 k: Z. M: e6 P; Q2 M/ @
- unsigned int data_count;
; f1 Y2 o3 ^" Z3 m; y! X# A - } e2prom_s_cmd;/ o. F0 _5 ]! O. @
- B4 [* M, N6 F3 \; Z9 ]4 h+ Z. ^
- #define E2PROM_CMD_READ 1
$ @. l) T" L- N, q+ w7 | - #define E2PROM_CMD_WRITE 2
! A& o$ H, Y% T; D( _ - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
3 }- y' M7 V6 D& n1 E( H - {
3 K7 g4 g% Q: r! A, p% l; G% D+ f( V - int fd, ret;" o. l' o/ F9 P O5 q
- e2prom_s_cmd arg;
% {, d1 \1 V' C. t/ D$ E - unsigned char buf[0x18];3 h* o! S; v) U. l& r z) Q
- ( l, Y/ O- ]: h6 k# p% V
- fd = open(E2PROM_DEVICE, O_RDWR);
7 ]+ q" n7 j8 ^0 d) ` - if (fd < 0) {4 ^+ R+ o% V% @& m/ e; j
- printf("Device %s open error.\n", E2PROM_DEVICE);2 U* B& ^1 g; b5 I0 D. I3 U& n
- return -1;
- x$ L! ~* H' H$ l - }
# y {" n! B5 `* r" i7 K - arg.sub_addr_count = 2;
! a& L- ]' D1 L4 @ - arg.data_count = 0x18;
; F6 l5 ~( n# U9 t3 I) w9 }- V - arg.e2prom_cmd_sub_addr = 0x290;
. s% T+ x) m7 S8 I - arg.e2prom_cmd_data = buf;7 }, Q2 V' S4 e% v. Q
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
- Q l! n9 R. R1 v6 e* [# E4 Z' T - if (ret != 0) {' r# z$ t* q8 Z. ?
- printf("Device %s read error.\n", E2PROM_DEVICE);
7 f$ d, d0 S* P \ - return -1;
9 M& P; q a/ ^2 c; W9 O1 z" M) m - }# W2 }) T( B( J7 I, b* T) e: d
- memcpy(mac, buf, 6);
! {/ M3 {6 v, Q! J: D: i4 h$ q - memcpy(stbid, &buf[6], 18);
7 n' o! Y$ c/ f - stbid[18] = '\0';1 t! t# Z5 N3 F
- + O' |4 z4 ^* L2 R* I: i
- return 0;6 p: g3 r/ {, G5 V, E
- }; F, L; J5 ?" I1 f8 Q# E
* X* n) W Q! U& X+ x* M- static int writeparam(unsigned char *mac, unsigned char *stbid)
( W% `7 c* K% v+ @ - {; p8 x. t, k9 b4 r) \
- int fd, ret;0 a( k0 [! `, m( Y+ _8 O2 a1 f
- e2prom_s_cmd arg;
' e7 i5 X( Z8 d2 p - unsigned char buf[0x18];
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2 i# J# E; |6 e) i- O; L* X+ u* B- memcpy(buf, mac, 6);$ L2 I! V2 p9 \7 q) v1 ~7 i
- memcpy(&buf[6], stbid, 18);5 c+ e3 |8 u( ]- W- n2 L7 W
- fd = open(E2PROM_DEVICE, O_RDWR);6 N' J! z$ D* R9 U" @2 y4 \6 L0 f
- if (fd < 0) {& ~7 T' P4 C# l6 p
- printf("Device %s open error.\n", E2PROM_DEVICE);
4 |% ~0 B, o. f2 J9 Y. X - return -1;, k _, Q# l" c2 J0 \3 o" x) G
- }% x7 O1 Y, {. X) Z0 Y3 T
- arg.sub_addr_count = 2;$ u' l0 `; {# s; C# W
- arg.data_count = 0x18;
! K0 ^5 K X0 D* X# b4 a$ i* j: u - arg.e2prom_cmd_sub_addr = 0x290; f; c0 c* }0 |3 c# w
- arg.e2prom_cmd_data = buf;
' w7 F$ L% B* w - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( Q! y2 L1 I0 L8 U9 h
- if (ret != 0) {* p# ^' a2 y/ @( J: s% f
- printf("Device %s write error.\n", E2PROM_DEVICE);
- ]: W) V$ b$ G& _3 n. m, q* h - return -1;
; S. p( s7 t# p3 s - }
& \: D! }1 ]7 R& K
0 F1 }! F$ l9 G6 u5 U1 C/ S- return 0;: g; H. h) U+ D" R& k
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* o7 B/ ^$ K/ {+ F- J/ k: ^, B- int main()
; B) e* [ z- Z/ P4 Z - {
, k B5 ?9 ^" N - char c;
- D1 [$ M9 o. {9 a& d: k% t - int i, macs[6];
0 D2 O* f% R8 ?$ `1 } - unsigned char mac[6];
/ j$ E6 m! t9 r2 ^: Y5 {; n) r - unsigned char stbid[256];" m2 e' }& w+ t- m6 N
- . V7 U! H2 ^4 ~. l5 S
- if (readparam(mac, stbid) < 0)
: E# \! n' Q/ Z! L9 |% [7 z( t) \ - return 1;" w. f5 T+ \7 x" W# C
- 1 T# l' Z) S0 i" v4 {
- printf("Current parameters: \n");
6 b" Z' ^! N. V4 a d% Z- o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* @9 O+ F8 {9 I( i C: ` - printf(" STBID: %s\n", stbid);
* m. o1 f% }% L+ q -
; n# _6 ?- ~/ [7 I4 ? - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( q' q* u3 ~* G/ D! {4 K0 N
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 h9 C/ F9 d8 I: ^, [8 M6 S- L - printf("Input MAC error\n");
3 ~; N! S& E) [' T. Q4 b) s0 [& g - return 1;4 _3 e+ u1 H2 E# e4 J
- }
1 |7 j& E5 x/ b9 w. p* A - for (i=0; i<6; i++)mac[i] = macs[i];
0 `" d z5 \( G. m& d - printf("\nPlease input new STBID: ");1 [8 `" F6 e$ k3 m- E
- scanf("%s", stbid);
! U5 a5 \6 @; Q4 z - if (strlen(stbid) != 18) {% u; W, L7 _' n% x) I; {
- printf("Invalid stbid\n");
2 z; k. U2 k# t, { - return 1;: v& U. k+ H2 @+ V7 P0 Z
- } N7 t6 ~- E% I# M% x, [; c2 R7 }6 U
- printf("\nNew parameters: \n");
6 |2 q2 @9 X3 `; o - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);# u( d5 h6 d6 x9 v
- printf(" STBID: %s\n", stbid);6 G$ u. g( u) G
) j9 d. z, ]) E* V4 q5 Y& \- printf("\nDo you want to change paramemters? (y/N) ");3 q8 {$ O3 y! i. A, m. g
- for (;;) {
+ A8 ]/ ]9 N+ v) T - c = getchar();
1 T6 P3 z9 Y- I- d5 I6 t - if (c == 'y' || c == 'Y')0 r+ r: m4 H+ j9 _
- break;
8 A: D& {4 F/ v1 S - if (c == 'n' || c == 'N') {' c% h( b3 g8 e, `. V, I; m
- printf("\nAborted.\n");) g5 Y9 l9 V% \, c
- return 1;
7 N) q3 [6 B8 }8 i - }
- I* _4 ]- O; G* N ~, K" O - }
: [" }: E6 B! v5 \4 s: I D) z$ V - if (writeparam(mac, stbid) == 0)
$ {2 b7 J f! d- d - printf("Parameters changed.\n");+ J8 G7 X6 n- Y6 w! {- I
" `* h" O+ q$ M" @7 c5 v- return 0;
' ~3 s; y+ j/ b+ ^& M J - }
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