本帖最后由 0522 于 2012-3-21 23:04 编辑
0 K& S( B9 L+ s" `# q* b. `; q7 u" [8 N
修改的代码早有了。到今天不会编译。, ]! P& B) S* y' r. ~1 y: _" y
需要 交叉开发工具 cross-compiler-armv5l.tar.bz2- #include <fcntl.h>( x, K9 F' ~& L) i8 i! }
- #include <malloc.h>( ]4 H5 x! P+ W+ C0 `
- #include <sys/types.h>
. `7 o" N' X9 T. } - #include <sys/stat.h>
, n8 m( I! r; v2 |0 ?" Y. U - #include <sys/ioctl.h>9 t3 T. m# H) I$ B: B
- #include <stdio.h>
( L# O1 a+ R f- N" z6 J - #include <string.h>
! Z+ h, V7 f+ O2 K a$ R" A3 c0 t - 6 ] U9 g/ v5 m. P: V0 w
- typedef struct {
8 g/ k$ X2 T+ d# n k6 A - unsigned int e2prom_cmd_sub_addr;
% t" z5 k, m* V" W" z m - unsigned int sub_addr_count;& E$ K2 E& @( C2 r% d6 r9 U T
- unsigned char* e2prom_cmd_data;
6 q, t" d+ Z) A8 L( F - unsigned int data_count;
5 n4 L# }8 W; @" z/ X, ^8 B - } e2prom_s_cmd;
# H* g& f5 G9 U6 [3 } - ' Y# s) m4 a# D& M+ v( x* c
- #define E2PROM_CMD_READ 1
# U2 z9 g7 [) o- G. Q - #define E2PROM_CMD_WRITE 2. Z4 F# x/ ~9 p6 N
- #define E2PROM_DEVICE "/dev/misc/e2prom_24lc16"
% Q* `. U1 o h8 D! O, _$ | - % ^) p$ C- C2 x" R0 Y
- static int readparam(unsigned char *mac, unsigned char *stbid)
6 _- U% b, T" K4 u1 W. x - {
% v, J1 _/ @' y% C - int fd, ret;1 w2 }8 C, B7 G; ?+ }
- e2prom_s_cmd arg;
' L- j; l5 s4 O4 e7 b& X. {, r4 @4 ]! {8 ~ - unsigned char buf[0x18];
* N7 y+ v; |* B( c/ ^2 D7 O - & G& i* }% N; h1 @
- fd = open(E2PROM_DEVICE, O_RDWR);3 P5 _$ W6 p0 \3 e, L
- if (fd < 0) {7 z( O9 U5 \. F6 M- i5 I
- printf("Device %s open error.\n", E2PROM_DEVICE);
. T* b2 v% p$ v# c: r | - return -1;% ~' V, F$ h. D3 U% b, }
- }' o- A0 Z6 O/ C/ }8 g
- arg.sub_addr_count = 2;7 k' U$ u9 K5 T; T8 {( K `
- arg.data_count = 0x18;
0 @ _$ b2 T3 c% s0 b$ D8 X - arg.e2prom_cmd_sub_addr = 0x290;# j) w# Y/ R/ w0 [5 I
- arg.e2prom_cmd_data = buf;8 F9 ?% c' C$ I
- ret = ioctl(fd, E2PROM_CMD_READ, &arg);! r3 O; f H P3 z5 E
- if (ret != 0) {
' {" F" `( f0 z& d7 @1 X - printf("Device %s read error.\n", E2PROM_DEVICE);
/ T6 A# ~8 ~$ m" ` - return -1;
- d/ Q* c8 d# [" B5 y( R - }
, V: J z0 \2 Q* p4 i5 Y% D6 I - memcpy(mac, buf, 6);
% v# a) `- W6 w6 Z @( y8 ]+ G. X - memcpy(stbid, &buf[6], 18);( m1 h2 `2 j; _: Q' _0 A
- stbid[18] = '\0';
6 S$ w1 n. ]9 m1 t - . d, O5 ^- t8 i+ f/ N9 ?
- return 0;
5 f3 t9 ?. k0 l, C - }+ `1 R2 K( Q+ H, U9 e w
: }* O5 J: c9 `- static int writeparam(unsigned char *mac, unsigned char *stbid)
5 a v' C+ G2 E9 t - {
' c9 S! t" b- ]# L! h9 o- F - int fd, ret;
8 k% F& R; {1 B# a% |6 p- B - e2prom_s_cmd arg;) w3 p3 c; U3 S& p( N* r
- unsigned char buf[0x18];6 K8 l' R( R+ y# _0 T: E& j8 O
& S$ j9 U# L) J* D2 W! k6 z- memcpy(buf, mac, 6);
. t- @$ E5 i) s - memcpy(&buf[6], stbid, 18);5 v0 b) k, l. Y3 d: F
- fd = open(E2PROM_DEVICE, O_RDWR);
6 M ?, D( o6 \ - if (fd < 0) {" G1 b7 p. A5 B
- printf("Device %s open error.\n", E2PROM_DEVICE);; T3 J7 @7 e( e3 Z' b0 y1 k
- return -1;7 i6 w$ z% v" _
- }7 x! B( w; K+ e3 [
- arg.sub_addr_count = 2;
3 L* C+ y' P6 n- q4 R - arg.data_count = 0x18;0 S S- `1 w( [+ ]/ \9 @
- arg.e2prom_cmd_sub_addr = 0x290;0 d1 ^3 T6 H6 b# q2 o' ]
- arg.e2prom_cmd_data = buf;
/ Z, p2 R- l9 @. B - ret = ioctl(fd, E2PROM_CMD_WRITE, &arg);
! R! U0 h3 s; H; p; @ - if (ret != 0) {! j3 F1 w& A \" }' c. N( c+ I
- printf("Device %s write error.\n", E2PROM_DEVICE);( j$ C( F; [8 { [
- return -1;
0 D- g: z# V9 o, ?" H& p - }
7 H3 ~5 y) t$ o4 n9 y4 Y' y* ~ - / y" ?0 R( u/ F9 V1 j
- return 0;' x/ }' p& `( d4 C1 P" ]
- }
/ |* E& S% p; _1 D& I$ G p6 w - / g' Z: w0 S% j7 n9 U
- int main()
) }/ y9 [- ?- G - {. t" W+ _, s7 d& a- h* I
- char c;
) \3 }; |6 s( M | - int i, macs[6];, ]: ~1 |+ S/ P: f
- unsigned char mac[6];
; ~5 L! e5 T4 X: b6 d( j& N' z( X - unsigned char stbid[256];1 j' D, Z: _, m2 t3 K
- ( A( i! q: K4 g, d
- if (readparam(mac, stbid) < 0)8 M% v2 ]) i( z0 A4 q% T9 W) M
- return 1;% `. U9 r3 |- l/ w& W) D0 Z
- ! N$ P* t8 N4 k$ u: u; p0 o
- printf("Current parameters: \n");
8 _- A3 B2 U" y( e - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
, {1 {' ~+ F4 E& C7 @, n* H - printf(" STBID: %s\n", stbid);
y) A) m2 c" p2 V7 X/ V D% v - $ u( |2 v, P7 k" X
- printf("\nPlease input new MAC (1a:2b:3c:4d:5e:6f): ");, {( F/ C7 L* Q, \8 [. |
- if (scanf("%02x:%02x:%02x:%02x:%02x:%02x", &macs[0], &macs[1], &macs[2], &macs[3], &macs[4], &macs[5]) != 6) {
3 ?% ~" n3 d$ @, l0 A5 c - printf("Input MAC error\n");. |7 r4 i0 O! q- s$ d% ]. f. A
- return 1;7 P+ _) W- X' z! B/ J
- }4 p; H1 U8 l% K$ P8 |
- for (i=0; i<6; i++)mac[i] = macs[i];
8 R) M* w: i4 Y - printf("\nPlease input new STBID: ");
, p: Q* }9 S6 f - scanf("%s", stbid);
- n+ `/ e3 a$ z5 w - if (strlen(stbid) != 18) {
" H$ V: C7 U. y( @ - printf("Invalid stbid\n");8 i: p. f- x- v
- return 1;
t. G- L5 z* T- t% Z# b) b. F Z - }
7 @) ]& d( s, A1 \ U - printf("\nNew parameters: \n");
: a9 ]; S% G1 l$ P) y- T - printf(" MAC: %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
2 L1 E0 u' B* E% n. x% C3 d3 G - printf(" STBID: %s\n", stbid);
2 @. u" A- G5 j/ A
* H3 C. v- D8 O2 z* \$ W4 R- printf("\nDo you want to change paramemters? (y/N) ");# }/ x$ j# w1 O/ L6 \
- for (;;) {
. S0 G; r6 j7 L o2 |: w2 Z - c = getchar();+ p5 K# u4 g3 M5 `( C3 @% K& {
- if (c == 'y' || c == 'Y')8 E' C% X- p- P
- break;
2 b0 f& t6 e: | - if (c == 'n' || c == 'N') {
2 h! W8 \2 K4 M! ^ - printf("\nAborted.\n");
: v) T% [5 l5 C' b - return 1;
0 n- J. P% P/ D2 y$ o- p5 J - }
; u3 K2 \: K& I' h" T - }
+ k W" |" \) n; F0 b - if (writeparam(mac, stbid) == 0) 6 N5 O; Y9 }* n" N& v
- printf("Parameters changed.\n");0 q& Q0 z# D: k+ _! {% ~
- ; f% k# U7 g$ J0 [
- return 0;
# k: l/ y0 z7 l( f - }
复制代码 |