1 /* 2 * This file is part of the libsigrok project. 3 * 4 * Copyright (C) 2019 Derek Hageman <hageman@inthat.cloud> 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef LIBSIGROK_HARDWARE_MOOSHIMETER_DMM_PROTOCOL_H 21 #define LIBSIGROK_HARDWARE_MOOSHIMETER_DMM_PROTOCOL_H 22 23 #include <stdint.h> 24 #include <glib.h> 25 #include <libsigrok/libsigrok.h> 26 #include "libsigrok-internal.h" 27 28 #define LOG_PREFIX "mooshimeter-dmm" 29 30 struct packet_rx { 31 int sequence_number; 32 GSList *reorder_buffer; 33 GByteArray *contents; 34 }; 35 36 struct packet_tx { 37 int sequence_number; 38 }; 39 40 enum tree_node_datatype { 41 TREE_NODE_DATATYPE_PLAIN = 0, 42 TREE_NODE_DATATYPE_LINK, 43 TREE_NODE_DATATYPE_CHOOSER, 44 TREE_NODE_DATATYPE_U8, 45 TREE_NODE_DATATYPE_U16, 46 TREE_NODE_DATATYPE_U32, 47 TREE_NODE_DATATYPE_S8, 48 TREE_NODE_DATATYPE_S16, 49 TREE_NODE_DATATYPE_S32, 50 TREE_NODE_DATATYPE_STRING, 51 TREE_NODE_DATATYPE_BINARY, 52 TREE_NODE_DATATYPE_FLOAT, 53 }; 54 55 union tree_value { 56 int32_t i; 57 float f; 58 GByteArray *b; 59 }; 60 61 struct config_tree_node { 62 char *name; 63 int id; 64 size_t index_in_parent; 65 66 enum tree_node_datatype type; 67 union tree_value value; 68 69 size_t count_children; 70 struct config_tree_node *children; 71 72 uint32_t update_number; 73 void (*on_update)(struct config_tree_node *node, void *param); 74 void *on_update_param; 75 }; 76 77 struct dev_context { 78 struct packet_rx rx; 79 struct packet_tx tx; 80 struct config_tree_node tree_root; 81 struct config_tree_node *tree_id_lookup[0x7F]; 82 uint32_t buffer_bps[2]; 83 float buffer_lsb2native[2]; 84 85 void (*channel_autorange[3])(const struct sr_dev_inst *sdi, float value); 86 87 struct sr_sw_limits limits; 88 struct sr_analog_meaning channel_meaning[3]; 89 90 gboolean enable_value_stream; 91 }; 92 93 SR_PRIV int mooshimeter_dmm_open(const struct sr_dev_inst *sdi); 94 SR_PRIV int mooshimeter_dmm_close(const struct sr_dev_inst *sdi); 95 SR_PRIV int mooshimeter_dmm_set_chooser(const struct sr_dev_inst *sdi, const char *path, const char *choice); 96 SR_PRIV int mooshimeter_dmm_set_integer(const struct sr_dev_inst *sdi, const char *path, int value); 97 SR_PRIV int mooshimeter_dmm_set_larger_number(const struct sr_dev_inst *sdi, const char *path, const char *parent, float number); 98 SR_PRIV gboolean mooshimeter_dmm_set_autorange(const struct sr_dev_inst *sdi, const char *path, const char *parent, float latest); 99 SR_PRIV int mooshimeter_dmm_get_chosen_number(const struct sr_dev_inst *sdi, const char *path, const char *parent, float *number); 100 SR_PRIV int mooshimeter_dmm_get_available_number_choices(const struct sr_dev_inst *sdi, const char *path, float **numbers, size_t *count); 101 SR_PRIV int mooshimeter_dmm_poll(int fd, int revents, void *cb_data); 102 SR_PRIV int mooshimeter_dmm_heartbeat(int fd, int revents, void *cb_data); 103 104 #endif 105