X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fao_packet.c;fp=src%2Fao_packet.c;h=0000000000000000000000000000000000000000;hp=f627e02b4022ee8004fd5400a4eb20d0d0ed60d8;hb=9513be7f9d3d0b0ec29f6487fa9dc8f1ac24d0de;hpb=3bfe8df44b575ca430ffaa051e20faa955a06c03

diff --git a/src/ao_packet.c b/src/ao_packet.c
deleted file mode 100644
index f627e02b..00000000
--- 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++];
-}