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。
. ^1 c( P8 T& @' N需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>
# m$ A! Y5 k1 D - #include <malloc.h>8 d5 L% J' K; T$ P" @7 a, V
- #include <sys/types.h>- W# D( q6 L1 @! o9 a
- #include <sys/stat.h>: J. M2 R3 p4 t. k3 n' n- q2 h; |
- #include <sys/ioctl.h>
" W$ |- V! h t+ D5 f+ k. b - #include <stdio.h>' I% R6 T" n U c! z9 _
- #include <string.h>1 `9 D( F! w7 V
?! ~2 S, A; I7 I- typedef struct {' D, a% C0 k+ U2 C, m* `5 `. J4 @: j
- unsigned int e2prom_cmd_sub_addr;7 u! Z: G0 t& _
- unsigned int sub_addr_count;1 s' o" ^ F# d
- unsigned char* e2prom_cmd_data;# K+ q& P& D0 Z- X% U8 {6 Y! X
- unsigned int data_count;( v" t. k8 o3 a6 c4 _4 I2 F
- } e2prom_s_cmd;1 R6 h0 w0 W& `$ K# b
+ f" c5 b. X5 |, P' _- #define E2PROM_CMD_READ 1
- h" v! ^- A3 B8 }- n/ {7 p. \ - #define E2PROM_CMD_WRITE 22 v. ^% O4 Q8 R5 f+ a7 k, ]# b
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"5 Z) j, O- T' f* P8 n& B3 c" d
( H# s, h$ Y/ e2 B# q- static int readparam(unsigned char *mac, unsigned char *stbid)
& y* @$ s$ S& b3 u' t3 ^ - {
/ q6 }. l% J( z; K! Z - int fd, ret;( u1 M3 i0 O' m4 Y* ]
- e2prom_s_cmd arg;/ i" }% H* N7 M9 v) W% X) w
- unsigned char buf[0x18];: X7 I4 h# A% x6 O8 B
- ( `. J. x* K; d3 d: ^* ^
- fd = open(E2PROM_DEVICE, O_RDWR);# s4 _- V9 Q* m6 R7 A
- if (fd < 0) {4 u# X/ h! b3 u# |: j& s$ F
- printf("Device %s open error.\n", E2PROM_DEVICE);- S1 P* n' }1 Y) _7 W5 m
- return -1;
$ W7 h( [/ j) p. J - }
8 ]7 `/ K# M* M: g, B' ` - arg.sub_addr_count = 2; | z1 Q% o2 \! {1 ?# R5 c* g
- arg.data_count = 0x18;
6 n, v8 Z. Z! F' F! ~( E. o - arg.e2prom_cmd_sub_addr = 0x290;* h3 s5 k, _3 x( ]1 j" ^
- arg.e2prom_cmd_data = buf;: Z; t$ P! J: L
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);; E7 I3 u8 }* D/ d: _& r5 d
- if (ret != 0) {
8 h# ^$ o+ b' G" b - printf("Device %s read error.\n", E2PROM_DEVICE);% j) R" B% ^8 o0 P: a, n
- return -1;
2 C9 X) r- J; }: j8 a: o0 r - }
$ a" z } _$ [, A, P; g - memcpy(mac, buf, 6);$ L( \/ b0 W, @: Z4 h, P9 ]& _6 Z
- memcpy(stbid, &buf[6], 18);
3 f4 b, A; G4 F" e7 O J7 f9 r5 \ - stbid[18] = '\0';& a, {, ^" `; c! Q4 H- d3 @
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- return 0;6 @7 M' f* W; o
- }
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- v- I1 z) H: W1 ?- static int writeparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;
' ?; n+ `: W' j - e2prom_s_cmd arg;" ^$ X9 ^/ }3 p6 A
- unsigned char buf[0x18];
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9 {! H' s! D) P3 @8 a- memcpy(buf, mac, 6);) ~7 D# g2 I. @: D9 y8 e8 C
- memcpy(&buf[6], stbid, 18);' N' u! t- q' f7 k$ @* j9 _
- fd = open(E2PROM_DEVICE, O_RDWR);
. B7 ?- G6 A+ ~6 z - if (fd < 0) {+ R. @7 e" C, v# U+ J0 A; j& n% D
- printf("Device %s open error.\n", E2PROM_DEVICE);
/ y1 T0 p7 ~0 V; h% b6 x - return -1;, }( l9 u5 |! m6 d* j0 ]3 `
- }/ |$ M2 E U7 T2 o
- arg.sub_addr_count = 2;8 v# F+ A( v6 z- G6 V$ p* N
- arg.data_count = 0x18;# U5 A M! ~0 Q
- arg.e2prom_cmd_sub_addr = 0x290;
# A. b6 Z, \0 T% s! y) p1 v; @ a/ @( H - arg.e2prom_cmd_data = buf;0 g6 Z1 n B! x9 o7 t8 q+ F
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);' `8 e1 g" J) V+ `& N
- if (ret != 0) {
' l* {* G7 Y, i" _9 p7 r/ x+ a/ e - printf("Device %s write error.\n", E2PROM_DEVICE);$ [5 a9 b% H, o) P, N3 s* M* W
- return -1;
; H2 G+ H; j) @8 {& Y) b - }
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! e* A9 Y, R4 l0 P& S7 O- return 0;
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$ {' H' z8 h+ a+ K' G% O, F+ V2 _$ O- int main()% v+ ]' q; N0 T: i' x7 k3 l: U- O6 b
- {
7 L! N( t; C5 @: G/ J# ] - char c;
9 b1 a, ^3 A. Z( E7 I# ` - int i, macs[6];; x. Y5 V4 \6 j& o" P' I- g; D
- unsigned char mac[6];. b7 C" P: x0 f5 q
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
* {& S( n* L( t" T - return 1;
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( r) r" X4 S2 S5 r+ }+ E6 }- printf("Current parameters: \n");
6 c: @6 Q* j& v e! w - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
3 ^- p2 A% n7 _( w: }5 F m0 c - printf(" STBID: %s\n", stbid); N8 }7 v; l/ c, Q8 t4 [5 Y+ B
-
, ]4 M D, x0 C - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
0 X g# s/ A2 }. O - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
9 E" U0 o) e9 b* D - printf("Input MAC error\n");
: c+ P5 p- f6 Z7 v; k Y) U - return 1;
& T7 d. j# |- m- w: A' N - }
7 [) n! X/ j9 `. J - for (i=0; i<6; i++)mac[i] = macs[i];- z! H b+ e' R' E
- printf("\nPlease input new STBID: ");$ Q- g0 }/ {$ W4 B& j1 C
- scanf("%s", stbid);
$ {( C3 l$ ~: U - if (strlen(stbid) != 18) {& E- w6 s2 C$ `: w! Q
- printf("Invalid stbid\n");3 c' A! }( b& `
- return 1;
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- printf("\nNew parameters: \n");, }- S- M. i# S; w* }! ]2 D9 B! T
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 x( }' Y1 q9 u: G- t0 T% Z9 g - printf(" STBID: %s\n", stbid);
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( u: v2 o/ u$ b' f7 a' x- printf("\nDo you want to change paramemters? (y/N) ");1 q* @6 D, T" u/ C; P1 [/ a
- for (;;) {
" S) O1 Z. \ N. N4 O) u9 k4 V# f - c = getchar();
& Q( Q% k1 p) K! H* ]" y6 r - if (c == 'y' || c == 'Y')" ?: l/ M3 j( @3 r! m, |
- break;) r) M7 {8 M" b% T
- if (c == 'n' || c == 'N') {
2 x$ @0 C$ b) J! l0 ~& m7 N - printf("\nAborted.\n");
; v9 i; q0 H' U% B - return 1;
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- }
, ]! w5 D( V2 i/ i - if (writeparam(mac, stbid) == 0)
2 d" e0 Y0 E) h: }9 `+ M0 j - printf("Parameters changed.\n");' l/ q5 ]' ^* w H8 N/ O) _! q( c
( o* F3 _9 I* h1 z) w( i2 m0 F( P- return 0;7 X0 i) V1 j0 L0 o/ a7 \
- }
复制代码 |