本帖最后由 0522 于 2012-3-21 23:04 编辑 . m& _8 z1 P! l5 x8 U& v
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修改的代码早有了。到今天不会编译。# k$ i! `) V3 n2 [
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>9 T# z7 a; l. E; f( x) |! `# ~7 O
- #include <malloc.h>
/ T H! p0 k( E% _% K9 g* v - #include <sys/types.h>( q; p B. [8 O; ^
- #include <sys/stat.h>0 R& g- X5 |0 b
- #include <sys/ioctl.h>
7 C/ y# \! k( g' {1 _) N6 G - #include <stdio.h>% h5 K1 d6 A7 ?% ^
- #include <string.h>
; Y& j% ^+ G8 P
; m* j3 s4 D. s5 r. E8 z/ j- typedef struct {% q& `5 I0 X- K
- unsigned int e2prom_cmd_sub_addr;
4 d u' t3 O3 O2 R% W - unsigned int sub_addr_count;! x: n V% ^2 W* E; `* w3 H, j
- unsigned char* e2prom_cmd_data;
z5 c/ F6 @$ n3 Y8 k- b( s' G; ? - unsigned int data_count;1 A( b) I; n1 ]9 O$ M
- } e2prom_s_cmd;
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$ x+ d _ ~) Z* z$ t- #define E2PROM_CMD_READ 1
% Y/ R( M7 g q h5 D6 L- _- } - #define E2PROM_CMD_WRITE 27 l; M: B1 c% y h* Y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
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* `! N. l4 ~+ J/ ~7 I) l- static int readparam(unsigned char *mac, unsigned char *stbid)4 ?/ M8 a) `* I( S- r" G; q" c
- {3 t- T* Q- S2 u/ e2 N) r
- int fd, ret;
7 E n9 W+ j+ b - e2prom_s_cmd arg;
1 D0 s. t( z; H! g% T$ R - unsigned char buf[0x18];
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9 y$ V7 n& V9 f" c- fd = open(E2PROM_DEVICE, O_RDWR);
! L# X# J( [$ ]! l& m3 R; n - if (fd < 0) {- W1 Y4 C, }9 l: d- O' S
- printf("Device %s open error.\n", E2PROM_DEVICE);
1 P5 A4 Z7 L. U* ^# m( q- e' b - return -1;
( M% o* B3 n" T3 k: [+ G8 G - }
, V) t0 o9 V4 E9 V- Q - arg.sub_addr_count = 2;3 @ p- c+ p# G# X
- arg.data_count = 0x18;
- ~$ Q9 P; |; H9 n; `0 ]* S6 {3 f - arg.e2prom_cmd_sub_addr = 0x290; m/ }$ x" _) K) E: y+ \3 C
- arg.e2prom_cmd_data = buf;
1 L1 k& D6 r! @( \& J# b - ret = ioctl(fd, E2PROM_CMD_READ, &arg);$ D7 y2 S: c( {; F/ s
- if (ret != 0) {( B* F3 \4 W4 i$ E
- printf("Device %s read error.\n", E2PROM_DEVICE);
8 `% Y) ?" v/ O. D6 l - return -1;' {$ o# A8 s: l2 H5 m
- }
) ?" D& v0 n- H8 @4 E. p - memcpy(mac, buf, 6);; d1 ~ z) ~( P8 o, K8 ~! y- {
- memcpy(stbid, &buf[6], 18);
: n$ L' G) T. H M# I4 D - stbid[18] = '\0';
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5 y* K; F) {) w- return 0;- {" A3 {3 t( ^* H6 M
- }! h9 i \' i4 T3 T
/ x& }0 y. t0 H9 b6 e. F- static int writeparam(unsigned char *mac, unsigned char *stbid)
( O4 e8 \5 Q. G7 U& O F - {
8 y0 Y9 @9 d; a# ]4 r) I, w( |6 B, H - int fd, ret;% P4 L8 P- D# C
- e2prom_s_cmd arg;# L/ N) \, v' z: A' ?
- unsigned char buf[0x18];
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2 t- y4 f) B) h1 }$ @; C* V- memcpy(buf, mac, 6);6 C$ x$ z# `6 T4 l2 o' a& Q
- memcpy(&buf[6], stbid, 18);5 j7 z m0 M b8 W
- fd = open(E2PROM_DEVICE, O_RDWR);
2 t1 H1 I9 m$ v+ N2 { - if (fd < 0) {
z& y4 m+ o9 V4 o# C, e - printf("Device %s open error.\n", E2PROM_DEVICE);/ Q$ E) m& O4 y7 Z! O9 i7 J
- return -1;
3 m* v$ l! i+ y - } O4 ?% R) P) R) q5 m1 S- N* q9 C- U
- arg.sub_addr_count = 2;! T! N3 I1 L2 n, Q6 r/ u
- arg.data_count = 0x18;+ l3 V. [, C: [5 B- M1 r
- arg.e2prom_cmd_sub_addr = 0x290;
, L3 A6 P M" ^& W - arg.e2prom_cmd_data = buf;6 C- K; i2 V/ v+ l' a( q
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
3 [( B `, v" l! Y( e/ G - if (ret != 0) {
; k4 _0 u7 n/ T9 q7 a - printf("Device %s write error.\n", E2PROM_DEVICE);# W/ \* M6 d7 _4 N
- return -1;# `0 s* d" J+ B' L' l
- }
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9 i, x X/ D# o& R1 z; |: I6 g4 e- return 0;" o, o& z" P+ i8 f9 W% E- M
- }
* n( a' S# v; F0 `4 Z - / ]* w& P) V$ V6 {
- int main()% P* _8 K+ Y3 ?0 v$ @5 c
- {
. F! |- x N+ Z% _2 Z6 s: R - char c;' \5 I' i, _+ ~/ T
- int i, macs[6];* w( y9 q) K; S; e) L9 V
- unsigned char mac[6];8 _7 t: C7 n% v$ B e2 |
- unsigned char stbid[256];" y5 ]7 _7 S- p& `( X0 V
- 9 Q+ t e6 w3 S
- if (readparam(mac, stbid) < 0)
7 O3 ^- ?: K5 \ U. z2 R - return 1;
/ \. S6 m$ d) y+ q( O) P - 1 [8 |7 l( r( t- H4 l9 [
- printf("Current parameters: \n");* W, q) \- B' E0 r$ {( |
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
0 w1 ^; K0 d5 y) }+ h9 ] - printf(" STBID: %s\n", stbid);0 q4 T3 h, B) ~
-
, Y$ |& `0 b {, ~/ W9 P7 H - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) A, o7 d' R0 y# G - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {. o+ ~9 ^/ m; ]9 h+ e
- printf("Input MAC error\n");
4 L% O3 W( ]0 c3 S$ a4 D, A - return 1;# R4 Q9 |6 c3 q6 G7 Y: b
- }; {8 }, r) n, S. p l% r. b
- for (i=0; i<6; i++)mac[i] = macs[i];9 ?5 {7 h+ i4 v, f4 H) l
- printf("\nPlease input new STBID: ");
" ]- p. b7 w. N. x7 Z - scanf("%s", stbid);) ^: m, M# R4 p2 b: F+ V; @! E& e; N
- if (strlen(stbid) != 18) {8 s: [: b# @( q5 P- L# q6 B! `, _' W
- printf("Invalid stbid\n");
& C: f) y4 X9 N0 E# A. Q$ ]! \ - return 1;
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- printf("\nNew parameters: \n");2 A- B; _1 _& s4 T; E8 z% v9 u
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, D: R# b* r& e4 B% I: C' ] - printf(" STBID: %s\n", stbid);
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8 z( K' b) ~) A8 u1 e8 j! @) C- printf("\nDo you want to change paramemters? (y/N) ");
4 f' m H3 s6 t( Q' { - for (;;) {
; G/ l% f2 O# G8 z6 O9 e0 C - c = getchar();$ s: O h& w. C9 e& W- j+ k
- if (c == 'y' || c == 'Y')6 w/ {; o( m! z$ o! @3 J
- break;6 t3 l8 D/ B' F
- if (c == 'n' || c == 'N') {$ U: o1 l \* ?( |# S) Y
- printf("\nAborted.\n");& X7 Q* p6 h# E1 x, l+ p
- return 1;& H' Q) ~2 K2 y( F
- }
) q1 J( d3 z+ I2 ?' D - }
* @* q+ H4 j; U2 s: g1 O - if (writeparam(mac, stbid) == 0) / _3 u3 J7 f$ Z. ^) W5 h* A
- printf("Parameters changed.\n");# ~% B. i( Q$ K( @: p% A' D. m3 Y
- C( E8 T+ G4 T7 L! F( O, i
- return 0;
" v9 |! P% ~! n5 `. J$ D - }
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