本帖最后由 0522 于 2012-3-21 23:04 编辑 3 g5 H* B8 @6 C! b N- b& ~% i- E2 V
3 H, k8 L3 e& ]0 y修改的代码早有了。到今天不会编译。! z$ H D% {; p* l3 f% X' w
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>! p, O" b* f' a$ q' B, B
- #include <malloc.h>
3 ]: y7 \9 |0 R, \( r' w - #include <sys/types.h>
9 D. L$ y0 U& j( p% l - #include <sys/stat.h>* z$ V6 ?9 e+ i* `
- #include <sys/ioctl.h>/ ^( K4 E' M& @2 g) W1 r
- #include <stdio.h>
" C+ u: l8 D* \4 o& z - #include <string.h>- J" I% k# A, V5 _4 V
- " p# L5 \2 v1 @3 H4 Z$ d6 Z4 ?" }
- typedef struct {
, G/ i; g& h& k2 j; S% _' [ - unsigned int e2prom_cmd_sub_addr;. S: ?9 d- W( ?' X# l% m( |, `
- unsigned int sub_addr_count;
] |+ I! S. V1 U9 v% o; a5 U% j - unsigned char* e2prom_cmd_data;# Z' S- y. u! I7 z% s
- unsigned int data_count;0 t `0 k, m) T, c
- } e2prom_s_cmd;
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7 E2 k8 O" b* t* B, |. s- #define E2PROM_CMD_READ 1* g8 h% ]$ a5 \8 u; T
- #define E2PROM_CMD_WRITE 2
( H8 j5 u; t" x9 h1 ^2 h7 u - #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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- static int readparam(unsigned char *mac, unsigned char *stbid)
& j. r/ }! C- ]% c% R - {
* _4 V; ~+ h9 X9 K( c( Q - int fd, ret;
7 l! o2 Q0 Z7 {1 U# x. f* O c+ F1 A - e2prom_s_cmd arg;
/ F+ S1 I: z) w. J) x: S - unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);5 @& k2 E0 G# V' b' |- ]
- if (fd < 0) {
; {, `) {* B* K# X& b- L$ C - printf("Device %s open error.\n", E2PROM_DEVICE);. q; Q# ]) V, `7 \! Y
- return -1;
) ^" k9 S* L$ B, {+ Q - }
) i0 q2 k" ~2 V7 Y2 {$ A2 ] - arg.sub_addr_count = 2;4 ]6 B$ [- m- t8 P( Q4 j, J
- arg.data_count = 0x18;( _: l2 t9 ~( O4 g: u$ _0 o
- arg.e2prom_cmd_sub_addr = 0x290;
2 X8 J# l& c8 ^; ]# s) t - arg.e2prom_cmd_data = buf;; a' \( l& p$ T2 Q! ^8 }
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);
D( v/ I. f5 Y) I1 ]+ }5 f - if (ret != 0) {
8 ~2 e# D+ D) p% E7 y - printf("Device %s read error.\n", E2PROM_DEVICE);
3 c. J+ V0 j& v2 q - return -1;% Y# L+ D/ p( ~7 T
- }
5 B# N) G$ L, I: ^ - memcpy(mac, buf, 6);
& m# b1 ?8 F) C0 J% k* \ - memcpy(stbid, &buf[6], 18);
* Q2 |) s/ }! E% H" H/ ] - stbid[18] = '\0';) t3 I0 S& S+ I( ], Y. C; U
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- return 0;
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- : T$ v7 G( u2 _8 o8 R+ H
- static int writeparam(unsigned char *mac, unsigned char *stbid)/ _$ ~: k5 I( Y4 y
- {
! s7 T7 m4 j) G8 c* H - int fd, ret;4 _* L; K- o, T6 W; l, {2 q
- e2prom_s_cmd arg;
. T0 b* h1 b, ` - unsigned char buf[0x18];
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- memcpy(buf, mac, 6);7 h$ {$ m7 h6 j6 R& \
- memcpy(&buf[6], stbid, 18); e: h2 b4 Y- _! p/ e
- fd = open(E2PROM_DEVICE, O_RDWR);
/ d8 w" X* o4 {0 C9 u8 u5 w/ N - if (fd < 0) {
! j; g* R: h9 A& q0 G0 m8 [ I3 K - printf("Device %s open error.\n", E2PROM_DEVICE);" s- h9 y1 c9 f0 f: E
- return -1;. N% M7 G) a) P" r1 n- T
- }5 `! }+ _$ d. r4 y, W& y( b
- arg.sub_addr_count = 2;: m# a6 z" z- G- y- Y3 Y8 }* j: {
- arg.data_count = 0x18;
$ U: h6 C7 f# ^ j( W+ x9 | - arg.e2prom_cmd_sub_addr = 0x290;
1 d+ G$ o+ f$ D7 P' O - arg.e2prom_cmd_data = buf;
T0 E) c7 d- D2 w$ ]* h( t& i - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
6 y. ?5 [% R0 F9 G" ^3 f1 c - if (ret != 0) {9 [: i* [- i4 c& _9 T7 o0 r; A7 U
- printf("Device %s write error.\n", E2PROM_DEVICE);
5 |9 y( h% H' Y W8 z! H - return -1;
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- return 0;$ L% H- h/ x" C/ Q* B/ v
- }
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, S! C: j' X5 n2 e+ f4 P$ G2 ]! Q- int main(), Z% e8 b/ q$ C# e$ u
- {
' V1 {4 z# w7 l3 U* n4 u) S - char c;3 [% ^# Z5 p( Q5 I* t
- int i, macs[6];
( X* g& O0 |) z* D. o - unsigned char mac[6];8 L$ v; q9 f& _' ?( R
- unsigned char stbid[256];7 S' L' n7 r4 d
! `0 a% _# {* J. G# R/ V: s& J- if (readparam(mac, stbid) < 0)7 c' u |" o1 E% B, t* v9 f
- return 1;7 F1 w4 X% Z* B8 L/ G
6 {$ U2 c# ^/ p$ W3 Z- printf("Current parameters: \n");
! j, w! C& S5 b3 w1 S" } V - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);* S% U4 Z( x# }* G
- printf(" STBID: %s\n", stbid);
i6 i' \4 e' b! G2 ~- g g) g -
8 o% {' T1 y" S9 N( H, u' h- x - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
/ [" W; G, h; @/ N0 v- y$ I4 L5 C: g - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {# @- l$ w+ K* a. N5 P1 w
- printf("Input MAC error\n");
: W& u/ L) m3 f* Z! h - return 1;$ n' O' i$ ^8 `; h, J
- }' J, V! n4 K* k+ L; D' ]$ G1 {
- for (i=0; i<6; i++)mac[i] = macs[i];
6 `0 B, D- C z- T - printf("\nPlease input new STBID: ");" O' ~$ B9 `1 W' C7 Z
- scanf("%s", stbid);
' m6 B8 ?# t' Y+ l% M: e% ?8 s" p3 K - if (strlen(stbid) != 18) {
# ?8 ^! H3 U0 k - printf("Invalid stbid\n");7 u9 G& G! S9 \$ ], u7 }
- return 1;! B: V* W$ C+ p
- }+ o$ ~0 Q8 C6 b' q) a( k4 }
- printf("\nNew parameters: \n");
$ D" x8 T( j. x( u - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
* e! q: I0 m$ d5 P5 O - printf(" STBID: %s\n", stbid);- B) x6 N* P1 _
- " p! ~! F+ u* l8 O5 f+ B3 x b$ R
- printf("\nDo you want to change paramemters? (y/N) ");; M, \" M: x8 u2 a/ v6 q& R
- for (;;) {
" l A l; n. t - c = getchar();3 K% U* c. Y2 [) n
- if (c == 'y' || c == 'Y')
5 R& t* p1 r1 U, J - break;! m, i: T, k5 I! w
- if (c == 'n' || c == 'N') {# y) g& `; Z( ^6 E$ L) p- @
- printf("\nAborted.\n");5 x- s$ u: g8 F6 c
- return 1;
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- }
- H) {) j+ q( `" L4 A& D - if (writeparam(mac, stbid) == 0)
: |. |( N, a' Z, D - printf("Parameters changed.\n");
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- return 0;
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