本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。
& ?. k! q; Y( g% j7 E8 R需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
5 e% A3 U t3 c6 D+ Y. a+ X - #include <malloc.h>
& L- b- t2 _$ s( P1 _, V* Z: q - #include <sys/types.h>: y1 _1 P, l/ K
- #include <sys/stat.h>
@ h: N6 O% l8 t. X( X* u% \) p, [! ?, P - #include <sys/ioctl.h>
, J& j5 Q% x4 i! ^% p2 p( s - #include <stdio.h>
( q5 w+ M! n9 d, x6 J* T - #include <string.h>
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- typedef struct {* h, G4 D8 C/ A2 D t
- unsigned int e2prom_cmd_sub_addr;/ Q' h9 h: Z9 y8 m) b) u; ] \ C6 `3 a
- unsigned int sub_addr_count;- _- L; U4 d @9 r$ b1 V
- unsigned char* e2prom_cmd_data;
( r/ a. P6 k$ U- h; `) M; p" l( y - unsigned int data_count;/ Y7 d/ P% j" m: F
- } e2prom_s_cmd;5 Q) p& L7 l9 ^! e
. v' @& `$ Q- `+ t' [- o! l- #define E2PROM_CMD_READ 1
) f: N7 g' A; N5 q& F, } - #define E2PROM_CMD_WRITE 2$ _+ h p% v$ e
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16", U# B6 z/ a0 n1 [5 D
- + S0 d& P) c0 P- Q/ @, e
- static int readparam(unsigned char *mac, unsigned char *stbid)3 g; [4 S) \- h$ X4 u6 |
- {; j9 T5 `+ x, x# L' l
- int fd, ret;
5 ~) j# i( T8 b. @' C - e2prom_s_cmd arg;0 R# F9 F! y1 I" P" [
- unsigned char buf[0x18];" ~& D; y1 s& |
& ^% c3 |6 \# v5 A) d- fd = open(E2PROM_DEVICE, O_RDWR);
: }2 v8 r/ h. |7 D! V( \: y" P, k/ G K - if (fd < 0) {5 T" {% h4 q8 {* e- a
- printf("Device %s open error.\n", E2PROM_DEVICE);
( b4 h& @3 q, f" U6 I$ r4 r0 Q - return -1;
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- arg.sub_addr_count = 2;
2 C4 B; O2 B; p3 n - arg.data_count = 0x18;
7 U! B5 @# g/ @1 I' |+ y' U - arg.e2prom_cmd_sub_addr = 0x290;4 L* }5 o+ ^1 m9 ]
- arg.e2prom_cmd_data = buf;
; B' |; ]: ~4 S8 [9 \' y# ? - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
* `% ^8 ^# F; d8 m# b* Y: i/ B( y v - if (ret != 0) {, c9 ^8 G1 t* m% M+ O1 c' `
- printf("Device %s read error.\n", E2PROM_DEVICE);
1 h$ R% e) b0 l - return -1;% b& u2 d! C4 |9 f( a
- }
! _; j) z4 X7 r9 a. `9 c3 P3 @% V9 N - memcpy(mac, buf, 6);
! k# v8 V; y% ~, [% g- E! u - memcpy(stbid, &buf[6], 18);
% V5 _ v# D; h0 q - stbid[18] = '\0';
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- return 0;
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- # r4 P1 x9 E, Y& J- r* H2 o7 ?/ r
- static int writeparam(unsigned char *mac, unsigned char *stbid)( z& g* z" c/ F( E
- {
9 n# i7 V* m5 ?& w9 a% ? - int fd, ret;
9 E/ N; V% K. J - e2prom_s_cmd arg;& k7 g/ V8 [, j4 W1 X
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);
0 V8 |& U/ @- S7 ~5 G - memcpy(&buf[6], stbid, 18);7 O% l: @0 y e7 I8 a
- fd = open(E2PROM_DEVICE, O_RDWR);8 M: B$ T1 d2 o
- if (fd < 0) {8 m- W+ m0 A1 g$ V; H7 V0 j
- printf("Device %s open error.\n", E2PROM_DEVICE);) `' U5 `. b+ X9 T
- return -1;
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- arg.sub_addr_count = 2;4 e' p4 f' ~+ |" f2 `* Z
- arg.data_count = 0x18;
. A& R- A7 f0 H# a - arg.e2prom_cmd_sub_addr = 0x290;$ e9 q* c" K7 {
- arg.e2prom_cmd_data = buf;
, k3 `/ b2 K5 K - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 {" ^$ q+ `* M" \, L8 |3 o - if (ret != 0) {
, p1 _8 X6 J' C. k/ @ - printf("Device %s write error.\n", E2PROM_DEVICE);
% ]' G6 t) e' z. g3 t* J - return -1;6 _! U! z# O1 }# ^
- }
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- return 0;$ |8 e+ t( _' M1 u0 M+ O5 ]
- }
# R- X. {/ s8 s# h9 a - 3 E% c. U5 y7 |3 g
- int main() Y, r7 ]7 q, p4 s9 |
- {& b3 H2 a' ^* Y! H2 N7 e) o; z9 I& t
- char c;2 t4 h( E( y' O7 Q9 Z4 m+ U+ R
- int i, macs[6];
% m2 s; q+ S" R; F - unsigned char mac[6];
( r7 p n; P5 T# F - unsigned char stbid[256];
+ s( N' {4 \4 P( X4 K8 f, X, j - ; K: h! S5 P4 Y+ n; k- F
- if (readparam(mac, stbid) < 0)
% r0 {0 V- N" V - return 1;# |% v4 G$ d/ {! H
* G6 K. D2 J1 }& ?- printf("Current parameters: \n");
6 G$ Q6 T0 _1 a3 V/ z8 Z0 v" g - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' [, P' ]' G) l. I( P! x+ Q8 K/ F - printf(" STBID: %s\n", stbid);+ N( a3 X9 x, z+ L
-
3 x2 w% ~% K- L* _+ N - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
3 {# y+ v# F9 |) D - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 `5 P2 N$ d1 K7 k2 k) f1 `9 R - printf("Input MAC error\n");) M8 z% O Y, X/ C( `4 `# I8 y
- return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];
+ ^5 B3 x& c* D# j - printf("\nPlease input new STBID: ");
% }2 i# J6 V" a' b3 y% D8 x - scanf("%s", stbid);
& f4 {8 Y: b! A# R* g- y - if (strlen(stbid) != 18) {) n2 ~1 J9 C9 S% }" g O. ]% N
- printf("Invalid stbid\n");
. ^- D3 r. `, G+ y - return 1;
+ Z% e5 |/ `/ F5 ~% @: a4 Q4 [: M+ Z - }
* l# @' [7 W, h) y - printf("\nNew parameters: \n");
& `% f4 U$ _0 u3 ^" q7 t/ g. a - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
# s. A3 N+ g- ~5 h9 i - printf(" STBID: %s\n", stbid);4 a( a: U7 c$ g& ] c# I3 L
5 p& E1 b5 u# v% `& O' B8 [- printf("\nDo you want to change paramemters? (y/N) ");8 u9 [1 ~9 c7 b3 d6 s/ X7 R
- for (;;) {+ }+ V/ k3 b I2 y
- c = getchar();. z1 R& B: S) o9 D
- if (c == 'y' || c == 'Y')
; k' ?) E- N; G - break;, h, z5 P2 ?( m* y
- if (c == 'n' || c == 'N') {
4 V& l# Z) o& r, r* @# O( _; T - printf("\nAborted.\n");2 j R9 {* q1 U! S" z* l
- return 1;' s% z. r6 T# T! m- R6 s: \2 P
- }$ h; Z' C4 ^. }5 c' V/ S
- }
4 h; q [# z8 J6 `/ j: R } - if (writeparam(mac, stbid) == 0)
/ M) }8 V) c) R" r5 Y& Z - printf("Parameters changed.\n");! J9 a4 [& Q1 F$ M7 f9 }5 C& \+ K
; k6 k( v- q( \# }, z- return 0;
4 N) Q! B1 j0 h8 \" o; y - }
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