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uartcfg.h
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uartcfg.h
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#ifndef _UARTCFG_H
#define _UARTCFG_H
/*!
* Very simple software UART for AVR microcontrollers
* (C) 2016 Stuart Longland
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* The following defines the configuration for the UART driver. */
/*!
* UART BAUD rate. This is the speed that we transmit at. For the 1MHz
* RC clock, 4800 is the maximum speed (out of the "standard" ones) that
* will work. If you're running at 8MHz or with an external crystal, you
* may go higher.
*/
#define UART_BAUD (4800)
/* Port settings */
#define UART_TX_PORT PORTA /*!< GPIO port register for Tx */
#define UART_TX_DDR DDRA /*!< GPIO direction register for Tx */
#define UART_TX_BIT 1 /*!< GPIO pin for Tx */
#endif