本帖最后由 0522 于 2012-3-21 23:04 编辑 " M* a$ V' k( c3 K; d
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修改的代码早有了。到今天不会编译。
" h% ~+ h- y( m& V+ M6 v4 c o需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
6 m% f+ X( S) y" d8 e2 q; I - #include <malloc.h>9 F3 L) X6 S6 b# q! n2 c
- #include <sys/types.h>
' n: D; j- f4 I& A: q2 @0 M. B' y - #include <sys/stat.h>
6 S+ o% \/ d$ o6 | - #include <sys/ioctl.h>
3 N0 P5 ?: X' ]3 M - #include <stdio.h>
. j/ g, _1 `8 X4 G! t- k6 t - #include <string.h>
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- typedef struct {
% f# H) y# N% q; B- [1 ?6 v# m& x - unsigned int e2prom_cmd_sub_addr;
5 i. k' h( Z% e+ a8 \ - unsigned int sub_addr_count;
7 x7 i2 {: i2 C- G" Z - unsigned char* e2prom_cmd_data;1 m) `" u h( v7 r+ q/ | ~' |6 n
- unsigned int data_count;4 D; {0 N7 x+ w4 S
- } e2prom_s_cmd;
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- #define E2PROM_CMD_READ 1
5 T5 X6 X: x8 o) l - #define E2PROM_CMD_WRITE 22 f2 G, X. D0 q: Y& b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16". j8 B, N, n8 j
- , ~* t2 j4 X& i9 |4 p
- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
5 v, O+ @0 ^9 i% v( H$ w% `$ }2 U - e2prom_s_cmd arg;
' s% f& z1 ]& P- o - unsigned char buf[0x18];
# k1 M5 N: J( H) ^9 q! C
( l6 |/ p: \# M. a0 B% V4 K- fd = open(E2PROM_DEVICE, O_RDWR);% S. p0 [" b& G# s6 t6 G
- if (fd < 0) {
% h* X, O% E% ^! Z - printf("Device %s open error.\n", E2PROM_DEVICE);
% `/ V; l2 v0 ^7 |& G. E - return -1;
7 G8 e. I1 N# N0 J - }) @& l% c8 q8 W: n8 h! \' @0 p/ ?
- arg.sub_addr_count = 2;( }9 s/ e% ]% M3 i% I: V: E9 R! [0 t
- arg.data_count = 0x18;
( G9 e5 r# S! O% g% S - arg.e2prom_cmd_sub_addr = 0x290;
6 m& c" P5 U- c% ?7 W/ A - arg.e2prom_cmd_data = buf;. N/ `" g( p% _* j# P/ V
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
1 V+ Q, z' T# d1 i+ c8 T - if (ret != 0) {1 `4 A+ `- A9 p7 B
- printf("Device %s read error.\n", E2PROM_DEVICE);5 ^( i) ?' F- e m7 V9 J M
- return -1;
+ F' {# \+ o2 x# x" y1 k( l - }! M3 s5 X2 h# N* o1 p* b# z
- memcpy(mac, buf, 6);6 F5 f6 k& }3 _9 ^' u, h) {1 `
- memcpy(stbid, &buf[6], 18);( O5 B" Y; _ L" a9 h M
- stbid[18] = '\0';3 t* T7 t- I: _/ l+ ~" ] s+ i
- 7 O: F" p6 j6 B, y2 e8 [& r/ d: E
- return 0;
6 G& O$ I. Q2 ?" y - }
7 \8 I/ c9 z3 s - 9 k! d) n; X6 j" C
- static int writeparam(unsigned char *mac, unsigned char *stbid)" F6 _1 b5 f& y
- {
5 `: `0 |5 G H4 x3 X - int fd, ret;
. I6 M6 H) N3 C2 V' W2 v - e2prom_s_cmd arg;0 L* d% q8 y" d6 i8 b- L2 ^1 t
- unsigned char buf[0x18];9 K9 L) \% n3 f- l( E7 E
- / I3 M9 c4 |7 Z
- memcpy(buf, mac, 6);
7 T! c, [8 J( W3 P$ a9 K - memcpy(&buf[6], stbid, 18);
/ y2 n" P, n" W9 I - fd = open(E2PROM_DEVICE, O_RDWR);
9 p6 Q# g, b$ V5 L2 M N: u - if (fd < 0) {4 G9 L$ F" C+ R7 a7 E
- printf("Device %s open error.\n", E2PROM_DEVICE);; `, y1 L& C7 O% l/ S
- return -1;; ? ]2 n& m# R0 a
- }
% U. A' G' L) {+ u% `2 B O - arg.sub_addr_count = 2;
: J& L" U. O8 }4 _. I - arg.data_count = 0x18;$ s: Z7 S# h& h1 r
- arg.e2prom_cmd_sub_addr = 0x290;
& `; x2 L9 _& i# q; l - arg.e2prom_cmd_data = buf;
( t* C! T- `1 O4 K: B( n6 o2 i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
% w# ~: l" t# G( i. C - if (ret != 0) {
+ n8 W! @+ N: o" j( J3 {/ u - printf("Device %s write error.\n", E2PROM_DEVICE);
5 V2 X/ @' P4 V3 ~5 h* k: Y - return -1;
, J* [+ b2 y* A8 W% X0 Z+ J - }
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2 s. t6 z) D1 `( \1 h3 T) N- return 0;
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- % n; Q$ ]) H: X; s: p& {5 c
- int main()
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- char c;: F4 o. m8 |% F% S) G
- int i, macs[6];
5 {: l% t; @3 s& t- o0 z - unsigned char mac[6];6 Y/ b, Q" p$ @4 _* F5 a0 x! b& z- g
- unsigned char stbid[256];$ d2 P. G" D5 [, W: a; Z
- ( Q4 k S: W1 A' c2 f
- if (readparam(mac, stbid) < 0): Y7 z% `1 z9 f: ^# d
- return 1;
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S( k+ {, W' B8 Z8 ^, x- printf("Current parameters: \n");; l; x' q* L& o& Y7 w) J
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);7 `! o" R, I1 E" a; n1 i2 _/ J0 B
- printf(" STBID: %s\n", stbid);: _( m/ z4 F+ P- g& P3 p: V
-
3 D* N( i' X+ p7 o |; \ - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
( Z6 r; T8 G) _/ x5 R* Y. s - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
; }% ?2 H0 m: P! T }% y; x - printf("Input MAC error\n");
, z2 T8 }' P7 Q! H) _6 m% u6 N _ - return 1;5 D9 [' Y1 Y1 `8 O0 z& G2 \4 m
- }
. ?! R) V6 l( F/ o8 E* j' j - for (i=0; i<6; i++)mac[i] = macs[i];
* A4 E6 ]* G4 K" F$ p: c - printf("\nPlease input new STBID: ");8 ~. b( j7 i$ q/ f( h
- scanf("%s", stbid);
; G3 j8 `. ^2 z4 a+ d( j - if (strlen(stbid) != 18) {
" L# M% k0 Z+ o: z( l - printf("Invalid stbid\n");/ x: N e m% h) G
- return 1;
5 L" a/ b0 X) a C: u2 `2 K3 r3 b - }
0 l9 ]/ [5 h. I6 s, p! j - printf("\nNew parameters: \n");$ W! P3 h, p& `
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ R4 U c* l4 ]0 I4 b; c6 L! ?5 ^ M - printf(" STBID: %s\n", stbid);
7 {7 u( L6 h, @5 h
% o4 a t o4 v4 {, c- printf("\nDo you want to change paramemters? (y/N) ");
3 e5 b- a* O7 A - for (;;) {
% T7 F& o& D" S. U( ^/ f6 F - c = getchar();
0 j3 j+ j4 D( [- v1 U; V - if (c == 'y' || c == 'Y'): U4 Z. i, H! F/ O% b
- break;0 A* g7 c0 I9 Z$ u6 w6 Y$ V
- if (c == 'n' || c == 'N') {* C. c* g; p* `# E8 d! _- ~0 ^
- printf("\nAborted.\n");
$ X. H X a$ W# S - return 1;
7 l4 B2 b2 R! Z5 K5 ]' O. x" D - }
5 z h3 _/ f. w/ |/ g4 k$ W - }& b! e8 r$ S8 ?
- if (writeparam(mac, stbid) == 0)
8 k. u' Q! I/ ^# Z `8 O y - printf("Parameters changed.\n");
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) i: G+ G8 B8 z' J& L! f: I- return 0;! b3 d) e& m$ `( f
- }
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