本帖最后由 0522 于 2012-3-21 23:04 编辑 ( j4 a8 K9 G, }) ?4 f! X7 C4 _
0 J# S7 r* f: [修改的代码早有了。到今天不会编译。. b7 {3 D! z# ^
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>6 e V; g2 \" P* }0 b# t1 T
- #include <malloc.h>
6 ~8 F7 J& X$ W+ |; F - #include <sys/types.h>
$ a5 r. a( i- O# E$ g$ E. z - #include <sys/stat.h>
! i$ _# K2 q) J- M3 l9 h' l0 { - #include <sys/ioctl.h>
8 H$ Y# L K8 m* B6 D" G2 ]4 N - #include <stdio.h>& z9 }" T; j# G( ^3 D; V$ U2 \& q
- #include <string.h>
$ v/ q+ W' s" u* |5 {
6 \4 y' t( L& h6 w7 l' x: Q- [- typedef struct {
( ?9 ?3 K2 w* \ C - unsigned int e2prom_cmd_sub_addr;
1 P2 h: f0 s/ B9 I' h7 n - unsigned int sub_addr_count;! L- D& ` E! q' |
- unsigned char* e2prom_cmd_data;% g4 P$ ]. K! {# R9 a
- unsigned int data_count;
$ f/ c5 p/ q2 | - } e2prom_s_cmd;
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4 W6 V* b3 n7 z5 m1 Q1 c. _9 e' s, `- #define E2PROM_CMD_READ 1: N J$ L/ w9 p! ~! r6 ^* X" _
- #define E2PROM_CMD_WRITE 2$ X' m5 z- J' y/ m; b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"! }6 V! J' T1 E0 P& ^$ R
- , ], }7 a) j) Y- U+ j8 c4 L
- static int readparam(unsigned char *mac, unsigned char *stbid)- `( e" L w$ M2 v8 |
- {8 Z" t1 V0 d$ o& g- f
- int fd, ret;
& g6 I' Z) T0 ]# g0 a - e2prom_s_cmd arg;8 [! {3 D$ O& @& e5 ~1 Q, w/ l
- unsigned char buf[0x18];9 }" }, v7 K2 V. j- W' y
& [$ L2 M9 k6 y. V: ^ r- fd = open(E2PROM_DEVICE, O_RDWR);; l& i# U( [7 |# p: ~$ }& G* Q% }
- if (fd < 0) {" K- @: q3 Y S3 T S
- printf("Device %s open error.\n", E2PROM_DEVICE);
- A0 J# ]) `; A) o+ x) \ - return -1;
! }7 P) ]0 b, Q2 R/ S - }
" ^0 n A- R# d# N9 b; V% h - arg.sub_addr_count = 2;/ e$ [/ `; L! q
- arg.data_count = 0x18;
6 ~! M9 c& ^/ S! ~4 d - arg.e2prom_cmd_sub_addr = 0x290;4 [3 i" C2 O) Z$ D3 [1 Z! R7 A
- arg.e2prom_cmd_data = buf;
! T' ^0 V$ v" Q7 q; m# J j4 o2 w - ret = ioctl(fd, E2PROM_CMD_READ, &arg);; d+ l2 x, `& S: P; `1 f) M
- if (ret != 0) {
& u& W9 z; f, V - printf("Device %s read error.\n", E2PROM_DEVICE);
( o2 _- Q1 H: k1 {9 E* E( @ - return -1;! k( v: m# A. C
- }; q/ ^2 i2 U9 M8 {# u. Q8 V) m3 ?
- memcpy(mac, buf, 6);
# d: Q. ?6 I1 C5 g* _; A - memcpy(stbid, &buf[6], 18);
/ F- X7 J9 z* s6 F$ I2 U - stbid[18] = '\0';
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3 W9 Z1 E9 d: F4 j( H: Q- return 0;
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- & l) |1 U$ V/ P2 T+ d
- static int writeparam(unsigned char *mac, unsigned char *stbid)
2 s* K; r4 @; s" @8 s - {9 b, T9 i2 s5 s) x3 D. |: E
- int fd, ret;
1 d. `$ R' G6 j4 p' j - e2prom_s_cmd arg;. ?2 G( n) l& h( ~# b) o
- unsigned char buf[0x18];/ s% f$ `; v" o) o4 h
; q/ a& p3 G" }$ N' d* M) q9 m# Y/ I- memcpy(buf, mac, 6);5 X) J0 \; Q+ \! }
- memcpy(&buf[6], stbid, 18);
: p6 x* ?1 c" _. f( C3 J4 M; N - fd = open(E2PROM_DEVICE, O_RDWR);3 X* B/ Z, w% g# F5 G c2 q" i
- if (fd < 0) {. {7 g: y8 j4 I- A. e2 I% c( J3 M
- printf("Device %s open error.\n", E2PROM_DEVICE);, a7 t0 m! S8 m- \
- return -1;# E1 n$ }7 d3 q4 P7 d
- }& \% T1 I- G3 Y, o0 a D- y# c" b
- arg.sub_addr_count = 2;; {: ?6 @; P+ y* V1 k) F
- arg.data_count = 0x18;
. T! q9 y. f. M9 j7 P - arg.e2prom_cmd_sub_addr = 0x290;
; |7 @1 b" @5 a7 k" s4 d - arg.e2prom_cmd_data = buf;
" h$ k6 M4 A( [+ y( x, H0 ? - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);$ n8 t3 D" F+ d0 X" O2 ? w8 O
- if (ret != 0) {
6 J6 I S! e' J/ D - printf("Device %s write error.\n", E2PROM_DEVICE);9 \0 X0 R, o- p2 _5 B7 |* c
- return -1;$ r& ]0 I7 \* \' W3 u
- }6 |9 Y" Q6 x9 u( Y, ^
- # P; C# F6 U) T% q% b) F3 I
- return 0;
5 B- U$ k- Y7 q% A$ u& _ - }# P, l/ U* m7 o$ x5 y, m
- 2 M6 a7 Z- j6 {
- int main()
6 N$ }# U- k2 c I" r$ M0 G - {
- F* e0 {: i% r/ G+ q1 f- ^ - char c;" g, \) J# t" I- R! h) A8 s+ Y
- int i, macs[6];
- I' u5 ~2 [/ l2 X - unsigned char mac[6];( s" _+ b: T' U; m; ?/ i
- unsigned char stbid[256];# O1 Y8 S7 X1 c* o
- 9 f$ F7 A v4 w Y
- if (readparam(mac, stbid) < 0)
6 D6 ?) |3 v5 u4 L* R - return 1;
; v! t. Z+ X- W$ x" ]
. g! Y* s! ~; [) k. V- printf("Current parameters: \n");. S& b. i! ^) N: }! B* ~1 u1 ?, h
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 }+ j# f6 Y/ ]/ l/ ~+ R, {; Q - printf(" STBID: %s\n", stbid);
8 B$ ~1 Z1 ^0 }* e - : |4 I* C% _/ D7 x* k' b* U/ V+ u; l& |
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
# i+ i; j: @4 r- e+ x. _9 P - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
8 ?+ c/ m. [; d: T - printf("Input MAC error\n");
; C6 \! H# p, V - return 1;1 M& J5 ^: j! k( g
- }
+ ^! E* s6 n4 V/ o5 o# ~- F0 E - for (i=0; i<6; i++)mac[i] = macs[i];
4 q" y. e$ S2 `# U. {+ m - printf("\nPlease input new STBID: ");, o8 N' f( t! X6 d% B& G( a
- scanf("%s", stbid);: Y9 @& J' C2 M# }
- if (strlen(stbid) != 18) {9 A* E9 A- ] q, l
- printf("Invalid stbid\n");
5 E/ P! K* c0 ?8 Z - return 1;
9 U% V/ J* g" D! Q, v: m, y - }
# x( G$ n" p, }0 [& w" ^* T - printf("\nNew parameters: \n");
* s' ~. c7 b* i5 J) ]: L" k - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);4 H+ a# |7 h+ G `% J2 R3 M0 ~! u
- printf(" STBID: %s\n", stbid);
& _7 ~4 p, \; F9 r, d
c; ]( y- a( b; `/ ?, P& [- printf("\nDo you want to change paramemters? (y/N) ");
$ G2 c' r' ]8 R, {: u; Q# [& | - for (;;) {
) Y! b/ {0 Z3 s+ L, e' S% h% o - c = getchar();& X0 }1 Q1 y* A4 A; k9 Q/ H
- if (c == 'y' || c == 'Y')
6 D; [% i) K6 b - break;
* e/ r6 j% U* ]* p - if (c == 'n' || c == 'N') {
0 u) V& _( D' n `& R, n+ l - printf("\nAborted.\n");
' D: k8 @& g9 w& b( ~+ v- W' w7 E2 H7 R - return 1;
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- }6 L/ k: n) \. Q1 u/ ]* s
- if (writeparam(mac, stbid) == 0)
8 S+ e) [* @- w - printf("Parameters changed.\n");
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& t3 y5 d, e' R6 N- return 0;
$ `0 U. K8 a# n) l$ \" k - }
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