altos: Rename 'core' to 'kernel'

[fw/altos] / src / kernel / ao_packet.h

diff --git a/src/kernel/ao_packet.h b/src/kernel/ao_packet.h
new file mode 100644 (file)
index 0000000..b8426cf
--- /dev/null
+++ b/src/kernel/ao_packet.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * 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; version 2 of the License.
+ *
+ * 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(void);
+
+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_ */