serial.inc Author:
Jonathan Weaver, jonw0224@netscape.net Date:
3/30/2005 Version:
1.0 Filename:
serial.inc Description:
The transmit and recieve code for the software (bitbang) serial port.
External Variable List
;external bitCount |
bitCount is used internally, but must be declared in the main program |
;external rxReg |
rxReg is used internally, but must be declared in the main program
|
Procedure Heading List
Procedure Descriptions
UART_Rx |
Description: |
Recieves data on an port pin in an asyncronous serial format. Must define _UART_Rx to compile subroutine | Parameters: |
rxReg |
a register to place recieved data |
bitCount |
an internal counting register |
Returns: |
status code in WREG |
UART_Tx |
Description: |
Transmits data on an port pin in an asyncronous serial format. User must define _UART_Rx to compile subroutine | Parameters: |
txReg |
a register containing data to be transmitted |
bitCount |
an internal counting register |
Returns: |
status code in WREG |
|