本帖最后由 0522 于 2012-3-21 23:04 编辑 ( @8 N9 `/ V3 C/ J
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修改的代码早有了。到今天不会编译。
/ A0 h2 |6 v5 p$ }需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>: ~% d. N- w ?2 |2 \" M
- #include <malloc.h>( O e5 f/ M& o' D
- #include <sys/types.h>* T/ {. i7 g% K4 \. t+ N. q
- #include <sys/stat.h>
6 }& W" C; p# N6 }9 O - #include <sys/ioctl.h>! k' @% @( H9 o
- #include <stdio.h>4 {) K) J3 X" ]3 M
- #include <string.h>' \* [) H, }7 m' J5 d2 ?
& s, k( K, w( _5 A$ B- typedef struct {
& u% @# m* U+ E, b - unsigned int e2prom_cmd_sub_addr;
6 I" @& `) H% X! C x5 g* }$ h3 H - unsigned int sub_addr_count;
+ ?9 r2 w* {$ U9 Q2 g. { - unsigned char* e2prom_cmd_data;* R- h: @2 _$ m+ y T$ `
- unsigned int data_count;
/ G& q- p5 L9 V6 k5 i; W' b9 E - } e2prom_s_cmd;
+ I, {% n. h7 ?! {( B
: m; F4 n# e4 N1 h. _ O- #define E2PROM_CMD_READ 15 m! X9 V# z( q! R `" a8 O! D" m
- #define E2PROM_CMD_WRITE 22 u( U$ j' A2 i2 O: [( p6 |
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"1 {, p4 u" l0 M9 O
- & r6 Z8 V6 \3 h3 F; D7 i
- static int readparam(unsigned char *mac, unsigned char *stbid)
0 a" B, l. w- l V n) B - {( H7 Y0 S' v! i% |. h5 u+ \; E
- int fd, ret;1 O# R& S" E7 }- p2 P+ N6 O
- e2prom_s_cmd arg;
! `" y, f+ ?4 ^; O! V* O+ T2 w - unsigned char buf[0x18];
+ b" a; I2 q4 _; o9 q5 m* e - * Y. h. ]4 v: p n# A' A+ S6 Z1 u1 l
- fd = open(E2PROM_DEVICE, O_RDWR);
j+ D1 `5 X! U3 T. i% G - if (fd < 0) {/ M- o8 r! r+ z
- printf("Device %s open error.\n", E2PROM_DEVICE);# c5 b! K3 {/ G2 {5 x" l
- return -1;6 M2 V' p3 f8 `8 G7 e; ~
- }3 U" T/ S# s9 g9 G+ R4 ]' f/ _
- arg.sub_addr_count = 2;7 {1 C$ ^$ z8 o4 @% r
- arg.data_count = 0x18;
5 K* E* x) U- t; A - arg.e2prom_cmd_sub_addr = 0x290;& n/ [ y n- M$ ]1 N" b; @' C
- arg.e2prom_cmd_data = buf;
% d% C# H9 R. R L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);
! v e. f- I+ \& L8 E$ _ - if (ret != 0) {
2 G: j& m6 G# b: ] - printf("Device %s read error.\n", E2PROM_DEVICE);
7 F! n2 _: X2 t5 d) F' X - return -1;3 k; c) `! Y7 H3 f5 @# w2 }
- }
/ _) | i# v" F, } Z. V2 a - memcpy(mac, buf, 6);3 \8 e6 E" F; G$ U- s( b b
- memcpy(stbid, &buf[6], 18);
# A$ {! @& u1 F9 R/ m% ~ - stbid[18] = '\0';8 Q# W0 [4 `/ d
; v1 C' {0 B- j* o* s% |0 P( T- return 0;; H0 \" _4 S6 Z+ c% }
- }
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1 ?: ?& B' L4 a; m5 v) r1 m- static int writeparam(unsigned char *mac, unsigned char *stbid)# U" d$ l' n7 n J
- {
: x( y7 D0 p4 z* y# C - int fd, ret;8 ?; o S! _& e3 U1 f
- e2prom_s_cmd arg;, a# g8 C7 U9 w g6 O
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);$ F( [! p% i7 f, Q" y
- memcpy(&buf[6], stbid, 18);
4 A) W, T9 p" g! N0 n - fd = open(E2PROM_DEVICE, O_RDWR);
1 [# X% X% Q- ^ - if (fd < 0) {
/ w! \! i% j& B% B/ Z' e - printf("Device %s open error.\n", E2PROM_DEVICE);
( q/ x8 C4 A4 H) p - return -1;2 L2 t: p( S3 e9 S9 N5 `8 V
- }
6 ^3 b$ ]2 T* w6 B* ]1 G N5 } - arg.sub_addr_count = 2;7 w% h" x U6 S! [6 @
- arg.data_count = 0x18;9 Q# N8 V: L* D8 i
- arg.e2prom_cmd_sub_addr = 0x290;2 d( Q; e: L8 ~2 U% d) P/ I$ H
- arg.e2prom_cmd_data = buf;2 i% R. R a6 O5 ~+ T. Z% N
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
0 {( H6 ^1 @7 ? - if (ret != 0) {
' T1 {, c$ H. z. Z6 X# ]! N - printf("Device %s write error.\n", E2PROM_DEVICE);
$ R6 k0 A& W$ L: x; c - return -1;
/ T' d2 s% O. p* [9 ?) Q; _/ C - }. z2 K+ P# D# v, o' K8 p
- 3 \7 h& Z# q* M Q8 {2 ^3 Q4 G
- return 0;
) G3 s" R. ]3 c" F - }' v9 P! `" F. u9 b# ]5 ~- V+ L% s
9 I/ k9 b8 }7 I6 V- int main()
4 v" W' @3 n/ z3 `# V2 U9 \' | - {
3 |+ q7 m+ @# G4 b - char c;% X; e: X# ]! z4 o& o* X
- int i, macs[6];. o6 G$ I% y0 l% Q6 m, Y
- unsigned char mac[6];# Z' K _3 L6 B; @; X6 g
- unsigned char stbid[256];! U' c" O$ M( B" [* d7 `/ T7 {% _
- 9 i- e! M. Y, e& Y
- if (readparam(mac, stbid) < 0), i4 O: W) j. N) s8 i+ H2 x" ~. _
- return 1;
+ ]1 a2 w0 z+ |: M, u - / t* \/ @# o5 k' L8 M
- printf("Current parameters: \n");
0 q7 h+ d, T% H% H - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
( I# k8 F5 u1 Y, v# ^ o' C - printf(" STBID: %s\n", stbid);
5 \* j$ u$ B) U -
9 f+ A6 V6 ~# T% E+ s - printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
) F( L# ?/ M3 O% _ - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
5 D; w" n* y4 l. ^ - printf("Input MAC error\n");( `1 B; d* q1 C7 r6 [" n
- return 1;
5 j& W6 i( T" p' |9 w" @& D& H - }
+ S' a4 h/ A6 z3 U - for (i=0; i<6; i++)mac[i] = macs[i];
7 h H1 G, q6 O5 Q - printf("\nPlease input new STBID: ");
0 U, l1 k* U7 y+ i- f - scanf("%s", stbid);( Z# @" w3 {5 o: {2 E1 t
- if (strlen(stbid) != 18) {7 ^2 x. l! U1 \" G
- printf("Invalid stbid\n");
- H: d( X) P7 k j* l+ C - return 1;5 C; x4 }! F9 V
- }: T/ f; w# S* ?
- printf("\nNew parameters: \n");
$ [) W* m5 D: r }5 k' ?9 l9 W - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);9 ]; S4 v N) A, r
- printf(" STBID: %s\n", stbid);
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$ c+ X7 q0 B5 ]$ B- printf("\nDo you want to change paramemters? (y/N) ");/ `7 r3 T* l, k4 |& g
- for (;;) {8 u/ G( W' C% h/ }
- c = getchar();7 H) X! t- K' b- h
- if (c == 'y' || c == 'Y')' k }2 k0 g; j) r7 C* U
- break;- m# x7 m+ G0 h* x- s+ K
- if (c == 'n' || c == 'N') {8 b# x- n- R( H) F% C0 r
- printf("\nAborted.\n");! k, z5 v5 N3 w( l
- return 1;
/ E4 S! B9 u6 f - } b2 V. N$ d, l4 l
- }: v, s0 r a" R$ [0 u
- if (writeparam(mac, stbid) == 0)
/ w5 d; J0 S ^$ P4 g7 b - printf("Parameters changed.\n");! j3 q0 t' r2 l5 k0 K
6 i8 p# @, d# ]1 ~& m( j; J- return 0; l9 Z/ @8 L5 x0 w7 q+ j
- }
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