/* * Copyright © 2012 Keith Packard * * 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., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #ifndef _AO_PACKET_H_ #define _AO_PACKET_H_ /* * ao_packet.c * * Packet-based command interface */ #define AO_PACKET_MAX 64 #define AO_PACKET_SYN (uint8_t) 0xff struct ao_packet { uint8_t addr; uint8_t len; uint8_t seq; uint8_t ack; uint8_t d[AO_PACKET_MAX]; uint8_t callsign[AO_MAX_CALLSIGN]; }; struct ao_packet_recv { struct ao_packet packet; int8_t rssi; uint8_t status; }; extern __xdata struct ao_packet_recv ao_rx_packet; extern __xdata struct ao_packet ao_tx_packet; extern __xdata struct ao_task ao_packet_task; extern __xdata uint8_t ao_packet_enable; extern __xdata uint8_t ao_packet_master_sleeping; extern __pdata uint8_t ao_packet_rx_len, ao_packet_rx_used, ao_packet_tx_used; extern __xdata uint8_t ao_packet_restart; void ao_packet_send(void); uint8_t ao_packet_recv(uint16_t timeout); void ao_packet_flush(void); void ao_packet_putchar(char c) __reentrant; int _ao_packet_pollchar(void); #if PACKET_HAS_MASTER /* ao_packet_master.c */ extern __xdata int8_t ao_packet_last_rssi; void ao_packet_master_init(void); #endif #if PACKET_HAS_SLAVE /* ao_packet_slave.c */ void ao_packet_slave_start(void); void ao_packet_slave_stop(void); void ao_packet_slave_init(uint8_t enable); #endif #endif /* _AO_PACKET_H_ */