本帖最后由 0522 于 2012-3-21 23:04 编辑
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修改的代码早有了。到今天不会编译。 b7 L0 }- `4 o
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
0 `6 i7 @. a! U9 K - #include <malloc.h>
' r; Y3 s s7 j- k- }& M0 _# c - #include <sys/types.h>
+ B7 H# o" J. k - #include <sys/stat.h>
7 P- Q" f$ |3 u8 o - #include <sys/ioctl.h>
4 e M% p, j# k7 E7 I$ ^ F - #include <stdio.h>9 @7 j' l' F; n0 r- z# w
- #include <string.h>: V7 i& k& @0 y9 b: v: K# _2 {
- $ J; [0 |( O7 t8 Q9 E/ R
- typedef struct {
; g, [; E/ j6 ^: w- s+ ~: O: c - unsigned int e2prom_cmd_sub_addr;
9 Z* K9 J/ k, M5 G# f, u+ r2 k - unsigned int sub_addr_count;# I* ^/ P; {; y8 b: l, s
- unsigned char* e2prom_cmd_data;
- c. y9 v2 a2 q6 u( W9 S: C - unsigned int data_count;
( y6 s, r$ D# e% u" [ - } e2prom_s_cmd;3 S* U1 S& k, L
- - A, o: `7 X; v$ d, W
- #define E2PROM_CMD_READ 1
3 p8 P# u6 {8 w# H+ ?. n - #define E2PROM_CMD_WRITE 2! ^6 j5 e( }; G4 ~8 `5 \# r7 \
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"( A, {3 P/ K+ L( y) D! R
: f) Z" q7 t. D2 z N2 A! R& f: R3 D- static int readparam(unsigned char *mac, unsigned char *stbid)0 k; E# w+ o: x) Z" h+ y2 r4 i
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- int fd, ret;
; J/ k+ f# m7 k - e2prom_s_cmd arg;! [) Q' v% j b5 H0 I2 C$ [
- unsigned char buf[0x18];, N; Y3 n2 i( ^7 _; o5 H( X
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- fd = open(E2PROM_DEVICE, O_RDWR);
* }) E6 g1 b, C( |5 S% ` - if (fd < 0) {
9 k: W5 i( a. Z( T - printf("Device %s open error.\n", E2PROM_DEVICE);
# a* z3 l a: A$ Z0 ] A - return -1;3 K7 W3 B. g3 R) s1 K' p
- }
; K( _3 D% v% }0 b+ ~ - arg.sub_addr_count = 2;2 i0 n6 ` m2 Q1 ]
- arg.data_count = 0x18;
6 t0 g3 ~. ^. D& z, i0 g - arg.e2prom_cmd_sub_addr = 0x290;' S2 ]! R: F( g* o0 E, J. m
- arg.e2prom_cmd_data = buf;
0 Z) ^ i" G8 n, `: G( r, t - ret = ioctl(fd, E2PROM_CMD_READ, &arg);0 f# {: ?# p$ T/ a
- if (ret != 0) {# i0 m2 E/ c$ }: F1 [% u
- printf("Device %s read error.\n", E2PROM_DEVICE);
2 `6 w. F: x5 q - return -1;* Z; G& n( I& u t$ N" H
- }
/ G7 W# t& K! |/ g, G - memcpy(mac, buf, 6);/ w! |( S8 p( M4 S- D @
- memcpy(stbid, &buf[6], 18);6 P i/ }$ v8 X. A C: E1 Z
- stbid[18] = '\0';
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, d8 j, [6 u2 H- return 0;
; m5 }8 ]; W0 c/ W3 _1 q - }
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- static int writeparam(unsigned char *mac, unsigned char *stbid)
- a) B- j j$ P! e- Q/ I - {
& `$ i% e* `: v& _" P - int fd, ret;
6 o+ R8 S( A1 j3 G9 Z3 Y1 q- L; Y- C - e2prom_s_cmd arg;) r, `, ~" V) E; n4 z0 Y; s
- unsigned char buf[0x18];2 `4 o! j7 t0 i6 m r( Y; u0 d
- , F( l- r | E1 E ]
- memcpy(buf, mac, 6);; C6 j0 Q0 Q, h4 W. v# c( M' G
- memcpy(&buf[6], stbid, 18); H: z* |, s5 w1 ]8 D$ t# s j2 [
- fd = open(E2PROM_DEVICE, O_RDWR);
: k. q+ f, Q) v* [" b6 ` - if (fd < 0) {2 G6 U: Y1 g. t% X* y& s `
- printf("Device %s open error.\n", E2PROM_DEVICE);7 R$ ]* ` T) n
- return -1;
: @' V) d4 ]8 j1 G - }
, I, B) }( ^) O* x L% | - arg.sub_addr_count = 2;
8 t( P: ?# t+ z - arg.data_count = 0x18;
' v, d* ~3 W! O/ N. g - arg.e2prom_cmd_sub_addr = 0x290; W; ]. _* {2 y3 r. x y: U; o
- arg.e2prom_cmd_data = buf;) |' F, l2 ?9 E) J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);( X. H: Y* ?" \1 o' G
- if (ret != 0) {
6 h- d u. k" r - printf("Device %s write error.\n", E2PROM_DEVICE);' J3 ^8 _) F+ m
- return -1;
# M' T; r" ^' z2 E5 a0 z+ r - }
- |" s2 v i7 n& d
) g) }, p4 q# I% T& U- return 0;# I' }, U* Z, O* g
- }
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- int main()
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- char c;; U% |# ]3 Y8 s4 @' Y
- int i, macs[6];
5 i1 S! H$ g6 H) W3 U x9 X - unsigned char mac[6];. R$ Z- z6 ~; R* V; x% B
- unsigned char stbid[256];8 N* i/ `" |/ l$ U4 C
- * S0 b) Z" Q0 t- G- A: n/ ]
- if (readparam(mac, stbid) < 0): ?. ?* n5 ]9 C( J% |% e* z
- return 1;
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; Y8 j% U, i7 D6 [+ `. Q- printf("Current parameters: \n");
$ p9 P% \; Q) K - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
6 g& e* ]( l7 s' _0 z3 j* d/ i - printf(" STBID: %s\n", stbid);
+ a4 }0 f a0 X, Q5 [. ` - ' J8 y* o0 R& ~
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");8 S- c4 \& g0 ]5 t
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
?9 @/ |3 P7 b2 O. T. I - printf("Input MAC error\n");
: \6 J u: U8 f$ ] - return 1;
" O w" V* p+ H P, o: q - }
8 [5 Q6 `* `+ [: o- B - for (i=0; i<6; i++)mac[i] = macs[i];9 Q" g; c' W; y3 K& w) n* Q
- printf("\nPlease input new STBID: ");
0 j \6 U; l$ s0 c - scanf("%s", stbid);' E) C! [( M1 F7 z1 B) @
- if (strlen(stbid) != 18) {
q. n( K7 K$ }/ S - printf("Invalid stbid\n");7 g$ A0 [/ _' c0 o9 Q: V
- return 1;
) J% a. K3 T" U/ f2 f; [" U - }
- j! ` b l/ w% n, Q' L* U3 `9 A - printf("\nNew parameters: \n");
, E, z& K) y# I( Z, M2 q4 ` - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
' d6 w% v) K w& w - printf(" STBID: %s\n", stbid);
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- printf("\nDo you want to change paramemters? (y/N) ");
; a0 g0 a" }% @3 G! Q - for (;;) {1 @- f7 k8 E6 Z2 ^0 }' x# `0 g* g+ G/ T
- c = getchar();
" J: ]# d7 S, P - if (c == 'y' || c == 'Y')
8 ]. E% O I- s$ I2 e4 N' | - break;, }- I4 ~9 L0 \4 V4 B; j8 E% p
- if (c == 'n' || c == 'N') {
( b0 s1 d7 b, l2 L! E& B9 @ - printf("\nAborted.\n");3 `8 V+ U1 P8 V3 Y, ]8 ]" U( d
- return 1;1 w5 z d4 b0 y
- }! d5 d2 U1 W5 k( I* |
- }
! K; K7 C5 Z0 W4 X o& F - if (writeparam(mac, stbid) == 0)
2 O7 g) n- g! f: I c& ?' g - printf("Parameters changed.\n");7 Y- z; L- T4 {( O6 V ^/ t
) r$ D0 a6 @: k' ]- return 0;
% z- v7 I# T `) q - }
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