本帖最后由 0522 于 2012-3-21 23:04 编辑 7 @, `5 G6 J% f7 Z4 J
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修改的代码早有了。到今天不会编译。
- V6 ], E6 W) |7 F需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
) p# _* ^, D$ W1 n) | - #include <malloc.h>
! c1 s- e: E, V: e9 x7 h) z - #include <sys/types.h>
& L+ q8 `/ X# ?. u1 y# g - #include <sys/stat.h>* ]* d3 l- M9 d( U2 C2 I5 b
- #include <sys/ioctl.h>! c/ M, T: J0 v6 i% }5 F2 Z
- #include <stdio.h>
, R& T6 q: U2 j# x& }2 \' s' V - #include <string.h>* L/ f5 ^% m% I0 j1 i
- g2 T3 w2 ]$ N- G9 g- X# b- typedef struct {
: ?" P! O( X/ _" e1 D6 ` a - unsigned int e2prom_cmd_sub_addr;
2 }. ~9 q. y3 Z' q. H& T7 a - unsigned int sub_addr_count; @- x! O2 l. J# ~6 x
- unsigned char* e2prom_cmd_data;
6 w$ Y" z% m- c7 O/ O3 q# ` - unsigned int data_count;
% B& h6 T; a. L0 W7 Y" R, y$ W - } e2prom_s_cmd;6 \$ \% L) @5 K* a$ S
- 8 k( l1 J% ?9 i7 x: {! o: Z2 ?
- #define E2PROM_CMD_READ 14 |2 o5 h( v# P4 e
- #define E2PROM_CMD_WRITE 24 u9 i- }6 W4 x' h
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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& Z* p' B" f4 U- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;& f; d- a% m: G/ V7 q t& `/ c
- e2prom_s_cmd arg;1 f G) L( t8 x4 v
- unsigned char buf[0x18];+ i/ a0 J5 o3 G; w+ n
, _/ n) |& j- C2 I. ?3 k6 o7 }/ v0 T- fd = open(E2PROM_DEVICE, O_RDWR);
8 R" V9 S1 w4 I" s# q - if (fd < 0) {
; Z" _2 m' k& N0 K1 K( P" W, Z9 R - printf("Device %s open error.\n", E2PROM_DEVICE);* `9 \" S4 _: q; j
- return -1;6 B2 n8 I! v+ H9 O
- }5 t; I$ d$ q: w. I
- arg.sub_addr_count = 2;% l" T- c0 E- S7 N d1 y8 ^
- arg.data_count = 0x18;% Z# f7 [) K: k# l# Q
- arg.e2prom_cmd_sub_addr = 0x290;9 s' k" d L9 E2 m
- arg.e2prom_cmd_data = buf;
2 V5 [0 v" W0 D& `7 i8 z5 { - ret = ioctl(fd, E2PROM_CMD_READ, &arg);- x- k) V7 U/ H: z" \
- if (ret != 0) {
( L' f" L$ `1 G$ Y* X - printf("Device %s read error.\n", E2PROM_DEVICE);
4 \% s3 T; H2 T- o0 X9 \ - return -1;. E5 a H8 V( y3 c" W# q
- }4 Y7 s" H# X$ A& I* @* _4 n, X
- memcpy(mac, buf, 6);# d0 }, h1 I) x1 a5 x9 N, C
- memcpy(stbid, &buf[6], 18);
; U; g* V; V) ?7 U5 N) ?4 h: h* T - stbid[18] = '\0';
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% R+ _9 b" m/ S' \" {- d2 z: i- return 0;
; I" q @0 N' [+ H4 e; G# Q# B - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;$ U; d0 J' t7 a0 k& ~
- e2prom_s_cmd arg;
$ `8 S* o# @( r Y' V+ B/ K; j. J - unsigned char buf[0x18];* c# p- c; S" ]( t
$ I- E4 [& I4 p" y& b- memcpy(buf, mac, 6);6 u9 S$ U- h% M! H+ H4 v
- memcpy(&buf[6], stbid, 18);9 a% C% O0 R3 d' r) a$ e# {+ M
- fd = open(E2PROM_DEVICE, O_RDWR);7 n( I. Z$ S4 L( V. j
- if (fd < 0) {
+ V% f& s; v% B; T0 U8 O/ z - printf("Device %s open error.\n", E2PROM_DEVICE);" s+ z Q" a6 o% R' n, h
- return -1;5 g1 u0 i+ m8 X! t, I! b5 @
- }
! W0 w; {6 v* C" a - arg.sub_addr_count = 2;
5 O! M8 I- ]8 S; @ - arg.data_count = 0x18;: @6 a+ D) g, H# b6 U8 X
- arg.e2prom_cmd_sub_addr = 0x290;! C+ o, v0 E8 C4 f1 B
- arg.e2prom_cmd_data = buf;
8 Z9 H" C) k# e( x ^ - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
2 a8 w( D6 a- H6 }) G! z - if (ret != 0) {
* u! V& C& N9 o3 q. s, O - printf("Device %s write error.\n", E2PROM_DEVICE);9 m4 w( w2 ]9 a2 Z8 J
- return -1;) D F. z- {3 s' H' p) D2 L! {- W/ r
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4 L% Z$ V" h7 b- return 0;
/ ~6 o% [$ N* D7 w* r. U - }
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1 I4 X6 }% N* B( p" N- int main(); i4 P, ^) ^7 \+ J2 k; o
- {$ a; x" v. ~6 l. Y: v* Z
- char c;& O+ n# f' @' ?1 X6 y, t7 g
- int i, macs[6];
: M6 J V2 z& f7 z, e- V) t' F8 O - unsigned char mac[6];
6 }7 U' z, `7 } - unsigned char stbid[256];5 `' w+ B8 o2 W1 n, u; w7 s
( I! L6 P6 Z4 p3 a. {( s- if (readparam(mac, stbid) < 0)
i5 D3 k- \. E! d7 Y- e - return 1;
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' @3 ^7 I$ I+ D3 d- printf("Current parameters: \n");( K( ?& b0 t$ t" ]: p
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
- \( \! B" k9 U! h0 b - printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");( G6 l8 v; `. M" W4 C4 ]# g) Z
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
- @4 Y; W) x9 u - printf("Input MAC error\n");+ M4 m5 n: V$ g+ K
- return 1;
, ?9 i/ S, e! g4 P - }
" I6 k- Z& ]" Z; r$ S; \% D0 z - for (i=0; i<6; i++)mac[i] = macs[i];
! i3 a( `8 V* P4 G2 L - printf("\nPlease input new STBID: ");
% v/ W) z6 \6 L5 [5 z6 H2 U - scanf("%s", stbid);
; m& k7 e' k! S* l; A4 a - if (strlen(stbid) != 18) {+ Y& J$ T& C0 @+ b7 E
- printf("Invalid stbid\n");
8 L+ [- F; G0 R - return 1;. i1 u' M/ \, X& u* g( J, w9 Y$ d
- }
4 ?% t' p, ~. r' V0 g7 j! ^ - printf("\nNew parameters: \n");, B! v/ } `0 X5 ?4 y% b
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);& ? h: G. J. q% a0 D* ~! h0 i
- printf(" STBID: %s\n", stbid);
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$ X) K6 o4 q E* O- printf("\nDo you want to change paramemters? (y/N) ");
3 }) o7 L. `( [' U1 i& K! a% S - for (;;) {
# W O0 R+ j1 X" i; D: k9 G' A8 J. r - c = getchar();
4 X$ _3 L8 O: C7 p1 z - if (c == 'y' || c == 'Y')
' o2 V u& y' F; G - break;0 o$ N+ W7 i j
- if (c == 'n' || c == 'N') {
; l5 Q0 G% |/ N* l2 x - printf("\nAborted.\n");
4 I1 z( g8 ]0 \+ U) t - return 1;
8 g& X& i# z% o' m; G - }
, O$ v: P1 u5 g- z7 d% S* ~ - }
! o& Q( D- h/ ? - if (writeparam(mac, stbid) == 0) , q3 p8 r1 I/ @& Y9 i
- printf("Parameters changed.\n");" ?/ |6 O8 `/ j* I9 e9 l+ m
- 1 Q& P3 A, j1 z; I* X/ Q5 s
- return 0;
1 h5 M1 C& p. v; m - }
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