Backport recent changes from mainline.

[libsigrok.git] / src / hardware / saleae-logic-pro / protocol.h

diff --git a/src/hardware/saleae-logic-pro/protocol.h b/src/hardware/saleae-logic-pro/protocol.h
new file mode 100644 (file)
index 0000000..9844454
--- /dev/null
+++ b/src/hardware/saleae-logic-pro/protocol.h
@@ -0,0 +1,62 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2017 Jan Luebbe <jluebbe@lasnet.de>
+ *
+ * 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/>.
+ */
+
+#ifndef LIBSIGROK_HARDWARE_SALEAE_LOGIC_PRO_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_SALEAE_LOGIC_PRO_PROTOCOL_H
+
+#include <stdint.h>
+#include <glib.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+
+#define LOG_PREFIX "saleae-logic-pro"
+
+/* 16 channels * 32 samples */
+#define CONV_BATCH_SIZE (2 * 32)
+
+/*
+ * One packet + one partial conversion: Worst case is only one active
+ * channel converted to 2 bytes per sample, with 8 * 16384 samples per packet.
+ */
+#define CONV_BUFFER_SIZE (2 * 8 * 16384 + CONV_BATCH_SIZE)
+
+struct dev_context {
+       unsigned int dig_channel_cnt;
+       uint16_t dig_channel_mask;
+       uint16_t dig_channel_masks[16];
+       uint64_t dig_samplerate;
+
+       uint32_t lfsr;
+
+       unsigned int num_transfers;
+       unsigned int submitted_transfers;
+       struct libusb_transfer **transfers;
+
+       uint8_t *conv_buffer;
+       unsigned int conv_size;
+       unsigned int batch_index;
+};
+
+SR_PRIV int saleae_logic_pro_init(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logic_pro_prepare(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logic_pro_start(const struct sr_dev_inst *sdi);
+SR_PRIV int saleae_logic_pro_stop(const struct sr_dev_inst *sdi);
+SR_PRIV void LIBUSB_CALL saleae_logic_pro_receive_data(struct libusb_transfer *transfer);
+
+#endif