This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C130A8.A599BEC0 Content-Type: multipart/alternative; boundary="----=_NextPart_001_0022_01C130A8.A599BEC0" ------=_NextPart_001_0022_01C130A8.A599BEC0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I'm very new with pics, I have the picdem 17 protoboard, and I'm trying = to figure out how to communicate through USART to hyperterminal on my = computer. I can currently send data out of the pic to hyper terminal, = but I can't seem to input any new data from the usart. any suggestions? = Is there some hardware handshaking I need to do? I've attached the = sample code that came with the board that I've been playing around with. -Lori Wu ------=_NextPart_001_0022_01C130A8.A599BEC0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
I'm very new with pics, I have the = picdem 17=20 protoboard, and I'm trying to figure out how to communicate through = USART to=20 hyperterminal on my computer. I can currently send data out of the pic = to hyper=20 terminal, but I can't seem to input any new data from the usart. any=20 suggestions? Is there some hardware handshaking I need to do? I've = attached the=20 sample code that came with the board that I've been playing around=20 with.
 
-Lori = Wu
------=_NextPart_001_0022_01C130A8.A599BEC0-- ------=_NextPart_000_0021_01C130A8.A599BEC0 Content-Type: application/octet-stream; name="usart.c" Content-Transfer-Encoding: quoted-printable Content-Disposition: attachment; filename="usart.c" //**************************************************** //* USART.C //**************************************************** //* Rodger Richey //* Principal Applications Engineer //* Microchip Technology Incorporated //**************************************************** //* 2 December 1998 //* Compiled using MPLAB-C17 V2.20 //**************************************************** //* This program prints an incrementing count from //* 0 to 255 to the USART. The numbers are displayed //* in the Monitor program. //**************************************************** //* Uses an oscillator of 16MHz //**************************************************** #include #include #include #include //#include void PutsUSART2(char *data); // Function to print a string to USART2 using handshaking void PutsUSART2(char *data) { do { // Wait for USART to complete prev operation while(BusyUSART2()); // Hardware handshaking for CTS while(PORTBbits.RB4); // Print a character to USART2 putcUSART2(*data); } while(*data++); // Increment pointer and check for NULL return; } =09 void main(void) { unsigned char i; unsigned char j; char temp; char str[5]; char test[10]; char crlf[3]; // Initialize the carriage return/linefeed string crlf[0] =3D 0x0d; crlf[1] =3D 0x0a; crlf[2] =3D 0; //my testing, says "HELLO" test[0]=3D72; test[1]=3D 69; test[2]=3D 76; test[3]=3D 76; test[4]=3D 79; test[5]=3D0; PutsUSART2(test); // Initialize USART2 and the hardware handshaking lines PORTBbits.RB5 =3D 1; DDRBbits.RB5 =3D 0; //PORTGbits.RX2 =3D 1; = OpenUSART2(USART_TX_INT_OFF&USART_RX_INT_OFF&USART_ASYNCH_MODE&USART_EIGH= T_BIT&USART_CONT_RX,25); // Send a carriage return and linefeed PutsUSART2(crlf); // Initialize the count variable i =3D 65; =09 while(i<255) { // Convert the count variable to ASCII //ubtoa(i,str); =09 // Print the string //PutsUSART2(str); WriteUSART2(i); =09 j=3DgetcUSART2(); =09 // Wait for a while Delay10KTCYx(250); Delay10KTCYx(250); =09 WriteUSART2(j); // Print a carriage return and linefeed PutsUSART2(crlf); // Wait for a while Delay10KTCYx(250); Delay10KTCYx(250); // Increment the count variable i++; =09 //getsUSART2(test, i); /*while(temp) { test[i]=3D temp; PutsUSART2(crlf); WriteUSART2(test[i]); i++; temp=3DReadUSART2(); } test[i]=3D0;*/ =09 //PutsUSART2(test); =09 } } ------=_NextPart_000_0021_01C130A8.A599BEC0-- -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu