Reorganize project tree.

[libsigrok.git] / hardware / beaglelogic / protocol.c

diff --git a/hardware/beaglelogic/protocol.c b/hardware/beaglelogic/protocol.c
deleted file mode 100644 (file)
index 1c01b64..0000000
--- a/hardware/beaglelogic/protocol.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2014 Kumar Abhishek <abhishek@theembeddedkitchen.net>
- *
- * 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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#include "protocol.h"
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-/* Define data packet size independent of packet (bufunitsize bytes) size
- * from the BeagleLogic kernel module */
-#define PACKET_SIZE    (512 * 1024)
-
-/* This implementation is zero copy from the libsigrok side.
- * It does not copy any data, just passes a pointer from the mmap'ed
- * kernel buffers appropriately. It is up to the application which is
- * using libsigrok to decide how to deal with the data.
- */
-SR_PRIV int beaglelogic_receive_data(int fd, int revents, void *cb_data)
-{
-       const struct sr_dev_inst *sdi;
-       struct dev_context *devc;
-       struct sr_datafeed_packet packet;
-       struct sr_datafeed_logic logic;
-
-       int trigger_offset;
-       uint32_t packetsize;
-       uint64_t bytes_remaining;
-
-       if (!(sdi = cb_data) || !(devc = sdi->priv))
-               return TRUE;
-
-       packetsize = PACKET_SIZE;
-       logic.unitsize = SAMPLEUNIT_TO_BYTES(devc->sampleunit);
-
-       if (revents == G_IO_IN) {
-               sr_info("In callback G_IO_IN, offset=%d", devc->offset);
-
-               bytes_remaining = (devc->limit_samples * logic.unitsize) -
-                               devc->bytes_read;
-
-               /* Configure data packet */
-               packet.type = SR_DF_LOGIC;
-               packet.payload = &logic;
-               logic.data = devc->sample_buf + devc->offset;
-               logic.length = MIN(packetsize, bytes_remaining);
-
-               if (devc->trigger_fired) {
-                       /* Send the incoming transfer to the session bus. */
-                       sr_session_send(devc->cb_data, &packet);
-               } else {
-                       /* Check for trigger */
-                       trigger_offset = soft_trigger_logic_check(devc->stl,
-                                               logic.data,
-                                               packetsize);
-
-                       if (trigger_offset > -1) {
-                               trigger_offset *= logic.unitsize;
-                               logic.length = MIN(packetsize - trigger_offset,
-                                               bytes_remaining);
-                               logic.data += trigger_offset;
-
-                               sr_session_send(devc->cb_data, &packet);
-
-                               devc->trigger_fired = TRUE;
-                       }
-               }
-
-               /* Move the read pointer forward */
-               lseek(fd, packetsize, SEEK_CUR);
-
-               /* Update byte count and offset (roll over if needed) */
-               devc->bytes_read += logic.length;
-               if ((devc->offset += packetsize) >= devc->buffersize) {
-                       /* One shot capture, we abort and settle with less than
-                        * the required number of samples */
-                       if (devc->triggerflags)
-                               devc->offset = 0;
-                       else
-                               packetsize = 0;
-               }
-       }
-
-       /* EOF Received or we have reached the limit */
-       if (devc->bytes_read >= devc->limit_samples * logic.unitsize ||
-                       packetsize == 0) {
-               /* Send EOA Packet, stop polling */
-               packet.type = SR_DF_END;
-               packet.payload = NULL;
-               sr_session_send(devc->cb_data, &packet);
-
-               sr_session_source_remove_pollfd(sdi->session, &devc->pollfd);
-       }
-
-       return TRUE;
-}