本帖最后由 0522 于 2012-3-21 23:04 编辑 ' K# Y& f, }6 Y/ T* w
; x$ N& x/ X8 K8 Q8 ]修改的代码早有了。到今天不会编译。
1 [/ z. g; w& n( c. ^0 m1 i需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
4 ?6 I0 u L( O3 G9 I q5 F$ Z - #include <malloc.h>
) } G& O9 s, u - #include <sys/types.h>
, H4 h) [/ p3 l - #include <sys/stat.h>4 \$ q! ?/ ^7 e: w/ V4 ?
- #include <sys/ioctl.h>9 X D; m1 b7 N7 y/ o. @2 i; i. K
- #include <stdio.h>1 Y6 X) @/ [6 c6 H& P3 u( {% x: p
- #include <string.h>
% W- o; I, Q8 J. D2 H
5 |5 x }* A! j' L- typedef struct {
; X- P2 b* _; t( s - unsigned int e2prom_cmd_sub_addr;
, Z; s: C7 S$ C9 \1 h* N - unsigned int sub_addr_count;
" K% D. L/ l( a4 D; s - unsigned char* e2prom_cmd_data;9 Y- k+ \5 F- Q$ ]4 L+ E
- unsigned int data_count;% E0 `1 j, i" x2 h* e( G
- } e2prom_s_cmd;
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8 `# D: q2 T% C& o7 T: t( ~7 x5 Q- #define E2PROM_CMD_READ 1# p9 S9 V/ a Y. O$ F
- #define E2PROM_CMD_WRITE 2
: y: e% G' y6 g3 q - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
0 o" N( X( Y0 Q# z, R5 k - ' B- u1 i$ q6 n, t- R7 Q& T
- static int readparam(unsigned char *mac, unsigned char *stbid)
8 J9 w! j9 a E0 j - {
5 r3 w: d0 C" C4 x - int fd, ret;
2 _! L$ s. t% L$ B9 A- H& K$ d - e2prom_s_cmd arg;
! G, T/ F* y5 M: `$ P1 j - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);4 @' z8 n. Y& M" E; H* e+ v8 b# N
- if (fd < 0) {
/ F- t8 r/ Q+ t8 u. I# ? - printf("Device %s open error.\n", E2PROM_DEVICE);. V" i8 D0 { ~) ?
- return -1;' W3 a2 c3 {' P, B% _
- }& O1 j7 L9 b; y) K) E
- arg.sub_addr_count = 2;
+ |1 {" [: j4 Z: H5 z: v2 v - arg.data_count = 0x18;, s2 k2 j" K' M
- arg.e2prom_cmd_sub_addr = 0x290;2 u& l+ b' x U8 M) F2 g0 e
- arg.e2prom_cmd_data = buf; K1 f/ a U# Q8 H
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);( k6 P4 W' Q7 r; g0 E; |
- if (ret != 0) {; I9 u/ X) u; y- S8 L/ Y q
- printf("Device %s read error.\n", E2PROM_DEVICE);+ _2 G1 L& `2 c" I( p& F5 f
- return -1;; `( A) t7 B' \- I1 @
- }
4 i5 J2 m( X) }; _8 d - memcpy(mac, buf, 6);3 l7 }* ]/ r, ?1 p3 }3 j
- memcpy(stbid, &buf[6], 18);
$ X4 R: R& J* e! y - stbid[18] = '\0';* Y+ u: g' {+ J$ G# S. p- b! h
; N/ V& J- K. I- return 0;* d: H. p. s$ ~3 b2 I6 s
- }
; B6 `0 q1 J. i8 f - $ [) l9 O: Z7 Y: @
- static int writeparam(unsigned char *mac, unsigned char *stbid)
* h6 {0 ]' Z9 c$ _- h5 w - {7 c/ v; }6 @) Q8 G
- int fd, ret;
' K& ^! Y+ }# |& V - e2prom_s_cmd arg;3 d0 d- l# Z0 d; [0 G
- unsigned char buf[0x18];
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+ X5 b- }1 I. r. |7 y* p+ v- memcpy(buf, mac, 6);
\: @1 u' S# w - memcpy(&buf[6], stbid, 18);8 e4 r- R) Y$ V1 \. Z. S4 w
- fd = open(E2PROM_DEVICE, O_RDWR);& x; b. l; s, z* f0 b
- if (fd < 0) {& h1 E. H/ h- L1 Z H
- printf("Device %s open error.\n", E2PROM_DEVICE);
' g( Q$ A1 P, Q* B2 P1 U - return -1;
5 J7 z G/ ~- E& I7 K0 e( Y; n - }# ~8 P; v9 B. d' A2 Q2 l: @
- arg.sub_addr_count = 2;
3 P( U1 Y8 q: W2 L% v4 E5 @) w7 I- v - arg.data_count = 0x18;
d, h. h0 j' x; m4 `( ` - arg.e2prom_cmd_sub_addr = 0x290;* W" k: t7 v" u; I* D, s
- arg.e2prom_cmd_data = buf;9 ^, Q/ t- s, b4 [$ C: p, N' H
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 Y8 ], ?1 ?" I
- if (ret != 0) {1 t: A, F1 |, k1 v3 Y3 }3 ?
- printf("Device %s write error.\n", E2PROM_DEVICE);8 i% T/ A: K$ T+ K; j
- return -1;
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, E' F' h: P9 {0 R/ m- return 0;- j, j/ o1 ~7 N; b0 @5 }' B2 p
- }5 s/ U9 x, @- x8 [+ ?' v
- 3 G6 e/ n; o6 i" v) T2 v
- int main()* W7 e/ s, M b2 H% V7 t
- {
1 c* Q1 D$ N, U5 R* r/ d0 N - char c;9 q b* m1 Z# O% k
- int i, macs[6];
4 y0 G$ v2 c. [- G4 \ - unsigned char mac[6];
" _- z# i- @' J9 M; i% Z1 L - unsigned char stbid[256];
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z1 p4 Z+ s1 F4 Z3 a: T- if (readparam(mac, stbid) < 0)
: ]" {, b, W$ @6 A Y - return 1;# Q/ n$ b) X+ M
5 P N) l/ G: J% ]/ D- x- printf("Current parameters: \n");' c2 n- _$ w8 W- ~/ M
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);, m w, v0 b. x) n% F
- printf(" STBID: %s\n", stbid);+ `- J1 G$ P; Y( l
-
/ T8 Z k! N' m: e: z: f - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
1 e9 r# ^1 q5 r! T7 x ~ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {2 Q& d3 k3 I( n. o7 M+ j
- printf("Input MAC error\n");
: p7 |9 K3 V- _7 O% `/ t - return 1;
9 H$ u. v c( C+ O: f - }, D2 }/ N4 t+ w# K! s q$ a8 V/ S1 z
- for (i=0; i<6; i++)mac[i] = macs[i];
% Y) X" S0 ^) M5 S3 m - printf("\nPlease input new STBID: ");
9 {5 a. ?( R4 r, p( S' X1 e - scanf("%s", stbid);
- e8 h1 r, e& M5 A; \ - if (strlen(stbid) != 18) {1 } h' G% r, y
- printf("Invalid stbid\n");
. g7 i, w4 j$ c0 k - return 1;
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- printf("\nNew parameters: \n");
* \% D3 f7 Z( {' [, P# e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);2 I/ Q/ p7 P0 r! L$ E! ~
- printf(" STBID: %s\n", stbid);( c. u. \" B; c ?
1 z3 ^( u' b0 Y4 S4 j. v# W- printf("\nDo you want to change paramemters? (y/N) ");
5 ~1 w- E& i* K. N% R: J: v4 }0 C1 h - for (;;) {$ x8 J- h0 G. c( ^( q3 k8 t
- c = getchar();3 n4 z" y6 c! o" A, }- c6 c
- if (c == 'y' || c == 'Y')
6 P% m" k0 b; ^ - break;
2 S5 o" k4 K5 S! [! ` - if (c == 'n' || c == 'N') {1 J) S# C) L' F
- printf("\nAborted.\n");: y% ^# `$ R. |# b
- return 1;
. ]1 a3 M; l% g/ n - }
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- if (writeparam(mac, stbid) == 0) / k4 M2 T7 f _7 A
- printf("Parameters changed.\n");' o5 Q" a' ~1 X
- / p3 r8 ?4 l. P) l8 d
- return 0;& E) G1 s9 D- L
- }
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