/* * This file is part of the libsigrok project. * * Copyright (C) 2013 Uwe Hermann * * 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 2 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 . */ #include #include "protocol.h" static const uint32_t scanopts[] = { SR_CONF_CONN, SR_CONF_SERIALCOMM, }; static const uint32_t drvopts_temp[] = { SR_CONF_THERMOMETER, }; static const uint32_t drvopts_temp_hum[] = { SR_CONF_THERMOMETER, SR_CONF_HYGROMETER, }; static const uint32_t devopts[] = { SR_CONF_CONTINUOUS, SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, SR_CONF_LIMIT_MSEC | SR_CONF_SET, }; static struct sr_dev_driver mic_98581_driver_info; static struct sr_dev_driver mic_98583_driver_info; SR_PRIV const struct mic_dev_info mic_devs[] = { { "MIC", "98581", "38400/8n2", 32000, TRUE, FALSE, 6, packet_valid_temp, &mic_98581_driver_info, receive_data_MIC_98581, }, { "MIC", "98583", "38400/8n2", 32000, TRUE, TRUE, 10, packet_valid_temp_hum, &mic_98583_driver_info, receive_data_MIC_98583, }, }; static GSList *mic_scan(const char *conn, const char *serialcomm, int idx) { struct sr_dev_inst *sdi; struct dev_context *devc; struct sr_serial_dev_inst *serial; serial = sr_serial_dev_inst_new(conn, serialcomm); if (serial_open(serial, SERIAL_RDWR) != SR_OK) return NULL; /* TODO: Query device type. */ // ret = mic_cmd_get_device_info(serial); sr_info("Found device on port %s.", conn); /* TODO: Fill in version from protocol response. */ sdi = g_malloc0(sizeof(struct sr_dev_inst)); sdi->status = SR_ST_INACTIVE; sdi->vendor = g_strdup(mic_devs[idx].vendor); sdi->model = g_strdup(mic_devs[idx].device); devc = g_malloc0(sizeof(struct dev_context)); sr_sw_limits_init(&devc->limits); sdi->inst_type = SR_INST_SERIAL; sdi->conn = serial; sdi->priv = devc; sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "Temperature"); if (mic_devs[idx].has_humidity) sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "Humidity"); serial_close(serial); return std_scan_complete(mic_devs[idx].di, g_slist_append(NULL, sdi)); } static GSList *scan(GSList *options, int idx) { struct sr_config *src; GSList *l, *devices; const char *conn, *serialcomm; conn = serialcomm = NULL; for (l = options; l; l = l->next) { src = l->data; switch (src->key) { case SR_CONF_CONN: conn = g_variant_get_string(src->data, NULL); break; case SR_CONF_SERIALCOMM: serialcomm = g_variant_get_string(src->data, NULL); break; } } if (!conn) return NULL; if (serialcomm) devices = mic_scan(conn, serialcomm, idx); else devices = mic_scan(conn, mic_devs[idx].conn, idx); return devices; } static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { struct dev_context *devc; (void)cg; devc = sdi->priv; return sr_sw_limits_config_set(&devc->limits, key, data); } static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg, int idx) { /* * We can't use the ternary operator here! The result would contain * sizeof((cond) ? A : B) where A/B are arrays of different type/size. * The ternary operator always returns the "common" type of A and B, * which would be a pointer instead of either the A or B arrays. * Thus, sizeof() would yield the size of a pointer, not the size * of either the A or B array, which is not what we want. */ if (mic_devs[idx].has_humidity) return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts_temp_hum, devopts); else return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts_temp, devopts); } static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx) { struct dev_context *devc; struct sr_serial_dev_inst *serial; devc = sdi->priv; sr_sw_limits_acquisition_start(&devc->limits); std_session_send_df_header(sdi); serial = sdi->conn; serial_source_add(sdi->session, serial, G_IO_IN, 100, mic_devs[idx].receive_data, (void *)sdi); return SR_OK; } /* Driver-specific API function wrappers */ #define HW_SCAN(X) \ static GSList *scan_##X(struct sr_dev_driver *di, GSList *options) { \ (void)di; return scan(options, X); } #define HW_CONFIG_LIST(X) \ static int config_list_##X(uint32_t key, GVariant **data, \ const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { \ return config_list(key, data, sdi, cg, X); } #define HW_DEV_ACQUISITION_START(X) \ static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi \ ) { return dev_acquisition_start(sdi, X); } /* Driver structs and API function wrappers */ #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ HW_SCAN(ID_UPPER) \ HW_CONFIG_LIST(ID_UPPER) \ HW_DEV_ACQUISITION_START(ID_UPPER) \ static struct sr_dev_driver ID##_driver_info = { \ .name = NAME, \ .longname = LONGNAME, \ .api_version = 1, \ .init = std_init, \ .cleanup = std_cleanup, \ .scan = scan_##ID_UPPER, \ .dev_list = std_dev_list, \ .dev_clear = std_dev_clear, \ .config_get = NULL, \ .config_set = config_set, \ .config_list = config_list_##ID_UPPER, \ .dev_open = std_serial_dev_open, \ .dev_close = std_serial_dev_close, \ .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ .dev_acquisition_stop = std_serial_dev_acquisition_stop, \ .context = NULL, \ }; \ SR_REGISTER_DEV_DRIVER(ID##_driver_info) DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581") DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")