Backport recent changes from mainline.

[libsigrok.git] / src / hardware / serial-lcr / protocol.h

diff --git a/src/hardware/serial-lcr/protocol.h b/src/hardware/serial-lcr/protocol.h
new file mode 100644 (file)
index 0000000..4a6e7f0
--- /dev/null
+++ b/src/hardware/serial-lcr/protocol.h
@@ -0,0 +1,70 @@
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2014 Janne Huttunen <jahuttun@gmail.com>
+ * Copyright (C) 2019 Gerhard Sittig <gerhard.sittig@gmx.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/>.
+ */
+
+#ifndef LIBSIGROK_HARDWARE_SERIAL_LCR_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_SERIAL_LCR_PROTOCOL_H
+
+#define LOG_PREFIX "serial-lcr"
+
+#include <libsigrok/libsigrok.h>
+#include <libsigrok-internal.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+struct lcr_info {
+       struct sr_dev_driver di;
+       const char *vendor;
+       const char *model;
+       size_t channel_count;
+       const char **channel_formats;
+       const char *comm;
+       size_t packet_size;
+       int64_t req_timeout_ms;
+       int (*packet_request)(struct sr_serial_dev_inst *serial);
+       gboolean (*packet_valid)(const uint8_t *pkt);
+       int (*packet_parse)(const uint8_t *pkt, float *value,
+               struct sr_datafeed_analog *analog, void *info);
+       int (*config_get)(uint32_t key, GVariant **data,
+               const struct sr_dev_inst *sdi,
+               const struct sr_channel_group *cg);
+       int (*config_set)(uint32_t key, GVariant *data,
+               const struct sr_dev_inst *sdi,
+               const struct sr_channel_group *cg);
+       int (*config_list)(uint32_t key, GVariant **data,
+               const struct sr_dev_inst *sdi,
+               const struct sr_channel_group *cg);
+};
+
+#define LCR_BUFSIZE    128
+
+struct dev_context {
+       const struct lcr_info *lcr_info;
+       struct sr_sw_limits limits;
+       uint8_t buf[LCR_BUFSIZE];
+       size_t buf_rxpos, buf_rdpos;
+       struct lcr_parse_info parse_info;
+       uint64_t output_freq;
+       const char *circuit_model;
+       int64_t req_next_at;
+};
+
+SR_PRIV int lcr_receive_data(int fd, int revents, void *cb_data);
+
+#endif