/* * 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, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include "protocol.h" static const uint32_t scanopts[] = { SR_CONF_CONN, SR_CONF_SERIALCOMM, }; static const uint32_t drvopts[] = { SR_CONF_THERMOMETER, }; static const uint32_t devopts[] = { SR_CONF_CONTINUOUS, SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, SR_CONF_LIMIT_MSEC | SR_CONF_SET, }; static const char *channel_names[] = { "T1", "T2", "T3", "T4", }; SR_PRIV struct sr_dev_driver center_309_driver_info; SR_PRIV struct sr_dev_driver voltcraft_k204_driver_info; SR_PRIV const struct center_dev_info center_devs[] = { { "Center", "309", "9600/8n1", 4, 32000, 45, center_3xx_packet_valid, ¢er_309_driver_info, receive_data_CENTER_309, }, { "Voltcraft", "K204", "9600/8n1", 4, 32000, 45, center_3xx_packet_valid, &voltcraft_k204_driver_info, receive_data_VOLTCRAFT_K204, }, }; static GSList *center_scan(const char *conn, const char *serialcomm, int idx) { int i; struct sr_dev_inst *sdi; struct drv_context *drvc; struct dev_context *devc; struct sr_serial_dev_inst *serial; GSList *devices; serial = sr_serial_dev_inst_new(conn, serialcomm); if (serial_open(serial, SERIAL_RDWR) != SR_OK) return NULL; drvc = center_devs[idx].di->context; devices = NULL; serial_flush(serial); sr_info("Found device on port %s.", conn); sdi = g_malloc0(sizeof(struct sr_dev_inst)); sdi->status = SR_ST_INACTIVE; sdi->vendor = g_strdup(center_devs[idx].vendor); sdi->model = g_strdup(center_devs[idx].device); devc = g_malloc0(sizeof(struct dev_context)); sdi->inst_type = SR_INST_SERIAL; sdi->conn = serial; sdi->priv = devc; sdi->driver = center_devs[idx].di; for (i = 0; i < center_devs[idx].num_channels; i++) sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel_names[i]); drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); serial_close(serial); return devices; } 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) { /* Use the provided comm specs. */ devices = center_scan(conn, serialcomm, idx); } else { /* Try the default. */ devices = center_scan(conn, center_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; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; devc = sdi->priv; return sr_sw_limits_config_set(&devc->sw_limits, key, data); } static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) { (void)cg; switch (key) { case SR_CONF_SCAN_OPTIONS: *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); break; case SR_CONF_DEVICE_OPTIONS: if (!sdi) *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); else *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); break; default: return SR_ERR_NA; } return SR_OK; } static int dev_acquisition_start(const struct sr_dev_inst *sdi, int idx) { struct dev_context *devc; struct sr_serial_dev_inst *serial; if (sdi->status != SR_ST_ACTIVE) return SR_ERR_DEV_CLOSED; devc = sdi->priv; sr_sw_limits_acquisition_start(&devc->sw_limits); std_session_send_df_header(sdi, LOG_PREFIX); /* Poll every 500ms, or whenever some data comes in. */ serial = sdi->conn; serial_source_add(sdi->session, serial, G_IO_IN, 500, center_devs[idx].receive_data, (void *)sdi); return SR_OK; } static int dev_acquisition_stop(struct sr_dev_inst *sdi) { return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close, sdi->conn, LOG_PREFIX); } /* Driver-specific API function wrappers */ #define HW_SCAN(X) \ static GSList *scan_##X(struct sr_dev_driver *d, GSList *options) { \ (void)d; return scan(options, 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_DEV_ACQUISITION_START(ID_UPPER) \ SR_PRIV 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, \ .config_get = NULL, \ .config_set = config_set, \ .config_list = config_list, \ .dev_open = std_serial_dev_open, \ .dev_close = std_serial_dev_close, \ .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ .dev_acquisition_stop = dev_acquisition_stop, \ .context = NULL, \ }; DRV(center_309, CENTER_309, "center-309", "Center 309") DRV(voltcraft_k204, VOLTCRAFT_K204, "voltcraft-k204", "Voltcraft K204")