/* * 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 "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_SET, SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, SR_CONF_LIMIT_MSEC | SR_CONF_SET, }; SR_PRIV struct sr_dev_driver mic_98581_driver_info; SR_PRIV 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 int dev_clear(int idx) { return std_dev_clear(mic_devs[idx].di, NULL); } static int init(struct sr_context *sr_ctx, int idx) { return std_init(sr_ctx, mic_devs[idx].di, LOG_PREFIX); } static GSList *mic_scan(const char *conn, const char *serialcomm, int idx) { 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 = mic_devs[idx].di->priv; devices = NULL; serial_flush(serial); /* 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)); sdi->inst_type = SR_INST_SERIAL; sdi->conn = serial; sdi->priv = devc; sdi->driver = mic_devs[idx].di; 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"); 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 = mic_scan(conn, serialcomm, idx); } else { /* Try the default. */ devices = mic_scan(conn, mic_devs[idx].conn, idx); } return devices; } static GSList *dev_list(int idx) { return ((struct drv_context *)(mic_devs[idx].di->priv))->instances; } static int cleanup(int idx) { return dev_clear(idx); } 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; switch (key) { case SR_CONF_LIMIT_SAMPLES: devc->limit_samples = g_variant_get_uint64(data); sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples); break; case SR_CONF_LIMIT_MSEC: devc->limit_msec = g_variant_get_uint64(data); sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec); break; default: return SR_ERR_NA; } return SR_OK; } static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_channel_group *cg, int idx) { (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 && !mic_devs[idx].has_humidity) { *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, drvopts_temp, ARRAY_SIZE(drvopts_temp), sizeof(uint32_t)); } else if (!sdi && mic_devs[idx].has_humidity) { *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, drvopts_temp_hum, ARRAY_SIZE(drvopts_temp_hum), 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, void *cb_data, 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; devc->cb_data = cb_data; devc->num_samples = 0; devc->starttime = g_get_monotonic_time(); /* Send header packet to the session bus. */ std_session_send_df_header(cb_data, LOG_PREFIX); /* Poll every 100ms, or whenever some data comes in. */ serial = sdi->conn; serial_source_add(sdi->session, serial, G_IO_IN, 100, mic_devs[idx].receive_data, (void *)sdi); return SR_OK; } static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, sdi->conn, LOG_PREFIX); } /* Driver-specific API function wrappers */ #define HW_INIT(X) \ static int init_##X(struct sr_dev_driver *di, struct sr_context *sr_ctx) { \ (void)di; return init(sr_ctx, X); } #define HW_CLEANUP(X) \ static int cleanup_##X(const struct sr_dev_driver *di) { \ (void)di; return cleanup(X); } #define HW_SCAN(X) \ static GSList *scan_##X(struct sr_dev_driver *di, GSList *options) { \ (void)di; return scan(options, X); } #define HW_DEV_LIST(X) \ static GSList *dev_list_##X(const struct sr_dev_driver *di) { \ (void)di; return dev_list(X); } #define HW_DEV_CLEAR(X) \ static int dev_clear_##X(const struct sr_dev_driver *di) { \ (void)di; return dev_clear(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, \ void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } /* Driver structs and API function wrappers */ #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ HW_INIT(ID_UPPER) \ HW_CLEANUP(ID_UPPER) \ HW_SCAN(ID_UPPER) \ HW_DEV_LIST(ID_UPPER) \ HW_DEV_CLEAR(ID_UPPER) \ HW_CONFIG_LIST(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 = init_##ID_UPPER, \ .cleanup = cleanup_##ID_UPPER, \ .scan = scan_##ID_UPPER, \ .dev_list = dev_list_##ID_UPPER, \ .dev_clear = dev_clear_##ID_UPPER, \ .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 = dev_acquisition_stop, \ .priv = NULL, \ }; DRV(mic_98581, MIC_98581, "mic-98581", "MIC 98581") DRV(mic_98583, MIC_98583, "mic-98583", "MIC 98583")