altos: Restructure altos build to prepare for multi-arch support

[fw/altos] / src / ao_packet.c

diff --git a/src/ao_packet.c b/src/ao_packet.c
deleted file mode 100644 (file)
index f627e02..0000000
--- a/src/ao_packet.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright © 2009 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.
- */
-
-#include "ao.h"
-
-__xdata struct ao_packet_recv ao_rx_packet;
-__xdata struct ao_packet ao_tx_packet;
-__pdata uint8_t ao_packet_rx_len, ao_packet_rx_used, ao_packet_tx_used;
-
-static __xdata char tx_data[AO_PACKET_MAX];
-static __xdata char rx_data[AO_PACKET_MAX];
-static __pdata uint8_t rx_seq;
-
-__xdata struct ao_task ao_packet_task;
-__xdata uint8_t ao_packet_enable;
-__xdata uint8_t ao_packet_master_sleeping;
-
-void
-ao_packet_send(void)
-{
-       ao_led_on(AO_LED_RED);
-       /* If any tx data is pending then copy it into the tx packet */
-       if (ao_packet_tx_used && ao_tx_packet.len == 0) {
-               memcpy(&ao_tx_packet.d, tx_data, ao_packet_tx_used);
-               ao_tx_packet.len = ao_packet_tx_used;
-               ao_tx_packet.seq++;
-               ao_packet_tx_used = 0;
-               ao_wakeup(&tx_data);
-       }
-       ao_radio_send(&ao_tx_packet, sizeof (ao_tx_packet));
-       ao_led_off(AO_LED_RED);
-}
-
-uint8_t
-ao_packet_recv(void)
-{
-       uint8_t dma_done;
-
-#ifdef AO_LED_GREEN
-       ao_led_on(AO_LED_GREEN);
-#endif
-       dma_done = ao_radio_recv(&ao_rx_packet, sizeof (struct ao_packet_recv));
-#ifdef AO_LED_GREEN
-       ao_led_off(AO_LED_GREEN);
-#endif
-
-       /* Check to see if we got a valid packet */
-       if (!dma_done)
-               return 0;
-       if (!(ao_rx_packet.status & PKT_APPEND_STATUS_1_CRC_OK))
-               return 0;
-
-       /* SYN packets carry no data */
-       if (ao_rx_packet.packet.len == AO_PACKET_SYN) {
-               rx_seq = ao_rx_packet.packet.seq;
-               ao_tx_packet.seq = ao_rx_packet.packet.ack;
-               ao_tx_packet.ack = rx_seq;
-       } else if (ao_rx_packet.packet.len) {
-
-               /* Check for incoming data at the next sequence and
-                * for an empty data buffer
-                */
-               if (ao_rx_packet.packet.seq == (uint8_t) (rx_seq + (uint8_t) 1) &&
-                   ao_packet_rx_used == ao_packet_rx_len) {
-
-                       /* Copy data to the receive data buffer and set up the
-                        * offsets
-                        */
-                       memcpy(rx_data, ao_rx_packet.packet.d, ao_rx_packet.packet.len);
-                       ao_packet_rx_used = 0;
-                       ao_packet_rx_len = ao_rx_packet.packet.len;
-
-                       /* Mark the sequence that we've received to
-                        * let the sender know when we return a packet
-                        */
-                       rx_seq = ao_rx_packet.packet.seq;
-                       ao_tx_packet.ack = rx_seq;
-
-                       /* Poke anyone looking for received data */
-                       ao_wakeup(&ao_stdin_ready);
-               }
-       }
-
-       /* If the other side has seen the latest data we queued,
-        * wake up any task waiting to send data and let them go again
-        */
-       if (ao_rx_packet.packet.ack == ao_tx_packet.seq) {
-               ao_tx_packet.len = 0;
-               ao_wakeup(&ao_tx_packet);
-       }
-       return 1;
-}
-
-#ifndef PACKET_HAS_MASTER
-#define PACKET_HAS_MASTER 1
-#endif
-
-#if PACKET_HAS_MASTER
-void
-ao_packet_flush(void)
-{
-       /* If there is data to send, and this is the master,
-        * then poke the master to send all queued data
-        */
-       if (ao_packet_tx_used && ao_packet_master_sleeping)
-               ao_wakeup(&ao_packet_master_sleeping);
-}
-#endif /* PACKET_HAS_MASTER */
-
-void
-ao_packet_putchar(char c) __reentrant
-{
-       while (ao_packet_tx_used == AO_PACKET_MAX && ao_packet_enable) {
-#if PACKET_HAS_MASTER
-               ao_packet_flush();
-#endif
-               ao_sleep(&tx_data);
-       }
-
-       if (ao_packet_enable)
-               tx_data[ao_packet_tx_used++] = c;
-}
-
-char
-ao_packet_pollchar(void) __critical
-{
-       if (!ao_packet_enable)
-               return AO_READ_AGAIN;
-
-       if (ao_packet_rx_used == ao_packet_rx_len)
-               return AO_READ_AGAIN;
-
-       return rx_data[ao_packet_rx_used++];
-}