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Hi
I have implemented the stuff
// and set the port6<7> pin LOW. Now the upper PNP transistor isn't conducting
anymore.
Now TX and RX works
Here are the program
#include <lnp.h>
#include <conio.h>
#include <string.h>
#include <lnp-logical.h>
#include <dkey.h>
#include <dsound.h>
#include <sys/lnp-logical.h>
#include <sys/lnp.h>
#include <sys/h8.h>
#include <dkey.h>
#define MY_PORT 2
#define DEST_HOST 0x8
#define DEST_PORT 0x7
#define DEST_ADDR ( DEST_HOST << 4 | DEST_PORT ) // rcx0
#define SENDBUFF 25
unsigned char buf[SENDBUFF];
unsigned char len = 3;
unsigned char receive_buffer[5];
static const note_t rx[] = {
{ PITCH_C5, 1 } , { PITCH_D5, 1 } ,{ PITCH_E5, 1 } ,{ PITCH_END, 0 }
};
wakeup_t prgmKeyCheck(wakeup_t data)
{
return dkey == KEY_PRGM;
}
/*
void packet_handler_add(const unsigned char* data,unsigned char length, unsigned
char src)
{
// ++rx_count;
}
*/
void baud2400() {
unsigned short lnp_byte_time = MSECS_TO_TICKS(5); //!< 2400
baud
unsigned short lnp_byte_timeout = (3*lnp_byte_time/2); //!< timeout waiting for a byte
unsigned short lnp_byte_safe_temp = (4*lnp_byte_time); //!< delay before transmitting a b yte
unsigned short lnp_wait_txok_temp = (2*lnp_byte_timeout); //!< delay after good transmit
unsigned short lnp_wait_coll_temp = (4*lnp_byte_timeout); //!< delay after collision
lnp_logical_baud_rate = B2400;
lnp_logical_parity = SMR_P_ODD;
lnp_byte_safe = lnp_byte_safe_temp;
lnp_wait_txok = lnp_wait_txok_temp;
lnp_wait_coll = lnp_wait_coll_temp;
}
void baud4800() {
unsigned short lnp_byte_time = MSECS_TO_TICKS(3); //!< 4800 baud
unsigned short lnp_byte_timeout = (3*lnp_byte_time/2); //!< timeout waiting for a byte
unsigned short lnp_byte_safe_temp = (4*lnp_byte_time); //!< delay before transmitting a b yte
unsigned short lnp_wait_txok_temp = (2*lnp_byte_timeout); //!< delay after good transmit
unsigned short lnp_wait_coll_temp = (4*lnp_byte_timeout); //!< delay after collision
lnp_logical_baud_rate = B4800;
lnp_logical_parity = SMR_P_NONE;
lnp_byte_safe = lnp_byte_safe_temp;
lnp_wait_txok = lnp_wait_txok_temp;
lnp_wait_coll = lnp_wait_coll_temp;
}
void infrared_on() {
//! enable IR carrier frequency.
//extern inline void carrier_init(void) { }
T1_CR =0x9;
T1_CSR =0x13;
T1_CORA=0x1a;
}
// doesnt work well with usb tower
void infrared_on76khz() {
//! enable IR carrier frequency.
//extern inline void carrier_init(void) { }
T1_CR =0x9;
T1_CSR =0x13;
// change it to76 KHz setting T1_CORA to 0x0D instead of 0x1A.
T1_CORA=0x0D;
}
void infrared_off() {
//! disable IR carrier frequency. // carrier_shutdown();
//extern inline void carrier_shutdown(void)
T1_CR =0;
T1_CSR =0;
}
void packet_handler_integrity(const unsigned char* data,unsigned char length)
{
dsound_system(DSOUND_BEEP);//DSOUND_SYS_MAX
// cputs(data);
}
void SendInt(int i)
{
int result,i;
for (i=0; i<SENDBUFF; i++ ){
buf[i] = 'U';
}
buf[0] = 'A';
buf[1] = 'B';
buf[2] = 'C';
// result = lnp_addressing_write( buf, sizeof(buf), DEST_ADDR, MY_PORT);
result = lnp_logical_write( buf, sizeof(buf));
// result = lnp_integrity_write(data,len);
// msleep(500);
// result = lnp_integrity_write( buf, sizeof(buf));
}
int main ( int argc, char **argv )
{
int result,i;
int c=48;
cputs("down") ; sleep(1);
//! Shutdown the logical layer (IR port)
lnp_logical_shutdown(); sleep(1);
// change Baudrate to 4800
cputs("4800") ; sleep(1);
baud4800(); sleep(1);
cputs("init") ; sleep(1);
lnp_init(); sleep(1);
//! Initialize the logical layer (IR port)
lnp_logical_init(); sleep(1);
// infrared carrier off
// To correctly use the H8 TX line with the CMUCam2 module,
// the driving RCX software MUST shut down the 38kHz carrier
cputs("if--") ; sleep(1);
infrared_off(); sleep(1);
// and set the port6<7> pin LOW. Now the upper PNP transistor isn't
conducting anymore.
cputs("pt67") ; sleep(1);
cputw(PORT6); sleep(2);
cputs("cler") ; sleep(1);
bit_clear(&PORT6,7); sleep(1);
cputw(PORT6); sleep(1);
cputs("baud") ; sleep(2);
lcd_int(lnp_logical_baud_rate); sleep(2);
// lnp_addressing_set_handler_add(MY_PORT, packet_handler_add);
lnp_integrity_set_handler( packet_handler_integrity);
//lnp_logical_range (0 );
cputs("baud") ; sleep(1);
lcd_int(lnp_logical_baud_rate); sleep(1);
cputs("run") ; sleep(2);
while( 1 ) {
if( prgmKeyCheck( 0 ) ){
dsound_system(DSOUND_BEEP);//DSOUND_SYS_MAX
baud2400(); sleep(1);
bit_set(&PORT6,7); sleep(1);
infrared_on(); sleep(1);
break;
}
SendInt( c );
lcd_int(c-48); msleep(500);
c++;
if (c >= 48+10 ) c =48;
cputs("baud") ; sleep(1);
lcd_int(lnp_logical_baud_rate); sleep(1);
}
// infrared_off(); cputs("if--") ; sleep(3);
// infrared_on(); cputs("if38") ; sleep(3);
cputs ( "done" );
sleep(2); // show done for 2 sec then clear display...
lcd_clear();
return 0;
}
by the way. I have written a DLL for the Infrared Tower based on the C program
called. lnphost
by
Bernhard
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