本帖最后由 0522 于 2012-3-21 23:04 编辑 ) R7 m2 d! a$ ^) y
3 u- n& i# N6 J/ E: c% Q# O' I& Z修改的代码早有了。到今天不会编译。% W; i3 }4 l# {' r: h5 S
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>/ p; J8 p) X. _# r$ L
- #include <malloc.h>
* j4 w7 ~" w B$ d: a: V1 d - #include <sys/types.h>1 X$ o$ e1 J) Z C' w5 Q+ F- q C8 f
- #include <sys/stat.h>+ ]6 A* N# q( ^* u) t
- #include <sys/ioctl.h>3 ^+ Z- E3 |+ m
- #include <stdio.h>
( O% G1 P/ h0 z: W% |- K4 {" u - #include <string.h>
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- typedef struct {0 [ I* D" [) A p3 d
- unsigned int e2prom_cmd_sub_addr;. f! Z( H8 X7 n0 F% P* n$ s
- unsigned int sub_addr_count;6 ?( K" J! H% H4 w
- unsigned char* e2prom_cmd_data;& e6 Y% X8 ?6 ^# s) R# Q+ P
- unsigned int data_count;% g7 B P+ Y$ Y' r& G
- } e2prom_s_cmd;" O0 S/ q/ h; V9 L- c! J e+ H1 W
& D2 Q6 {: d7 y5 ~+ X9 F L* e- #define E2PROM_CMD_READ 1$ V- }; F- w+ ~0 ?: N
- #define E2PROM_CMD_WRITE 2 O, r. p3 {. U# w9 E, g; Y
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16") L& ]; O- V' I; G' N6 u9 s
' [9 Z; s8 W; X6 X- static int readparam(unsigned char *mac, unsigned char *stbid)
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- int fd, ret;/ A6 k4 r+ b8 P0 u
- e2prom_s_cmd arg; ^1 e) d$ I5 ~1 ^$ B' V# Q. N
- unsigned char buf[0x18];
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- fd = open(E2PROM_DEVICE, O_RDWR);' G w1 p# n6 ?6 I% U% h
- if (fd < 0) {) D( e$ J8 k: `
- printf("Device %s open error.\n", E2PROM_DEVICE);- v- U$ a, G' x* `8 g
- return -1;- c* F1 U* b, Q
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- arg.sub_addr_count = 2;
# z8 h. Q! `' p# l - arg.data_count = 0x18;
1 C. C5 [" {9 o - arg.e2prom_cmd_sub_addr = 0x290;/ i7 T3 {7 [ R# X# W4 v4 r
- arg.e2prom_cmd_data = buf;
l2 U8 J7 N: O1 S5 L - ret = ioctl(fd, E2PROM_CMD_READ, &arg);; v) G( \* K0 |2 X6 _. M
- if (ret != 0) {* c0 y7 G, o: U! i$ {
- printf("Device %s read error.\n", E2PROM_DEVICE);, Y4 A4 A. Y/ v) N T
- return -1;- B# N7 c6 F, L6 e E% W
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- memcpy(mac, buf, 6);( M5 A) g) i, d3 B
- memcpy(stbid, &buf[6], 18);
2 w6 M' `+ t" {0 E7 {7 x5 S% w - stbid[18] = '\0';
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- |! o! ?, G2 Z7 p- return 0;
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- static int writeparam(unsigned char *mac, unsigned char *stbid)3 n& d6 n; N+ T& b7 o3 r4 |! e
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- int fd, ret;8 r2 ~' |+ m7 c6 E" U
- e2prom_s_cmd arg;8 }7 |' I p& A) _
- unsigned char buf[0x18];
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- memcpy(buf, mac, 6);. K" y1 }6 l2 K$ J9 c4 n
- memcpy(&buf[6], stbid, 18);
h0 E7 R: h% J0 F0 w8 } - fd = open(E2PROM_DEVICE, O_RDWR);/ Q$ D8 }% z9 ~, N: H8 M
- if (fd < 0) {, `, E$ O; g& ?2 S, N+ h
- printf("Device %s open error.\n", E2PROM_DEVICE);' W6 _ o" v' J! t+ @6 e9 y* E6 s' Y
- return -1;3 b* F! u' i# h. Z7 m. m9 U
- }* I* [2 \' R! P% k* N7 R
- arg.sub_addr_count = 2;
% {# o( L! M4 m+ H' D6 q9 u- y - arg.data_count = 0x18;4 b3 e: a! @7 D0 P# q
- arg.e2prom_cmd_sub_addr = 0x290;9 t4 N7 Q; `& L0 m! P6 Q* r
- arg.e2prom_cmd_data = buf;; a" H$ X& W% t. F* J
- ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);7 A3 D; }& ?* M3 I3 ~1 i
- if (ret != 0) {
# e) d- }. }+ _ - printf("Device %s write error.\n", E2PROM_DEVICE);' e% m/ G/ K4 o( [; i9 ]
- return -1;
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- return 0;8 v: c3 U1 i6 ^: I9 V$ ~: z
- }
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( h$ I. x9 ]" Q4 Z& S4 X4 }- int main(). R% s" K1 v0 }' J
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- char c;
; i3 }' h, ?1 _% O/ y. y - int i, macs[6];
O1 {/ w; Z' s - unsigned char mac[6];$ s9 Y% ?7 W! e# F" n
- unsigned char stbid[256];
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- if (readparam(mac, stbid) < 0)
: P, W1 ?" T6 ]# [. f P2 m - return 1;$ x/ u; z! J$ G
3 U: n2 \# H+ u; n& A! Y- printf("Current parameters: \n");/ a- ?0 @3 f! a- l
- printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);" K8 a; A- m6 Y0 h; w7 q; I `4 k
- printf(" STBID: %s\n", stbid);
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- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");
8 x+ G# q& {5 p1 F% B - if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) { \5 C; K8 g' V# L8 c9 s7 ^
- printf("Input MAC error\n");
8 Z! [$ v" v P8 y( R& s - return 1;
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- for (i=0; i<6; i++)mac[i] = macs[i];* t: z9 [5 k; I4 `) t9 ^
- printf("\nPlease input new STBID: ");3 y$ n% Q2 U/ P/ R ]7 t
- scanf("%s", stbid);
6 U, i ~0 e! P4 r9 g k: ]7 v3 B - if (strlen(stbid) != 18) {
2 o" N: K A: ^+ C* w - printf("Invalid stbid\n");+ U9 f0 B3 g. g# \' X, v7 K( o
- return 1;
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- printf("\nNew parameters: \n");
; ?- _+ w9 G7 J+ F& _. a0 P - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
; ~2 t, N( a( p F - printf(" STBID: %s\n", stbid);
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% _- R8 ^/ W" | d; ^$ Z" |' C- printf("\nDo you want to change paramemters? (y/N) ");
6 U, V8 ~ g1 u0 c - for (;;) {
A2 \; v; P1 r - c = getchar();2 w1 G4 ~/ M- q4 p; B( K2 b
- if (c == 'y' || c == 'Y')+ q9 v: Q" X3 t- Y3 R# p* B
- break; s$ ^5 Z# j: \5 P
- if (c == 'n' || c == 'N') {
8 N' |& D* A5 X0 h4 x0 T - printf("\nAborted.\n");
" s% @) @( z* ~ - return 1;
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- }
' w; _. U7 d( T$ i- Z - if (writeparam(mac, stbid) == 0)
' p l7 u4 I. j( I7 X - printf("Parameters changed.\n");3 q" O0 r4 ~: o3 l: p% T& |! x' r
- . [0 G* C$ y* M4 u- G/ X: ]3 c% J* f
- return 0;
- C( ~6 W4 p: C* Q( I2 }; B. D - }
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