/* * This file is part of the libsigrok project. * * Copyright (C) 2012-2013 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 #include "libsigrok.h" #include "libsigrok-internal.h" #include "protocol.h" #define UNI_T_UT_D04_NEW "1a86.e008" static const int32_t hwopts[] = { SR_CONF_CONN, }; static const int32_t hwcaps[] = { SR_CONF_MULTIMETER, SR_CONF_LIMIT_SAMPLES, SR_CONF_LIMIT_MSEC, SR_CONF_CONTINUOUS, }; SR_PRIV struct sr_dev_driver tecpel_dmm_8061_driver_info; SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info; SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info; SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info; SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info; SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info; SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info; SR_PRIV struct dmm_info udmms[] = { { "Tecpel", "DMM-8061", 2400, FS9721_PACKET_SIZE, NULL, sr_fs9721_packet_valid, sr_fs9721_parse, sr_fs9721_00_temp_c, &tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061, }, { "UNI-T", "UT60A", 2400, FS9721_PACKET_SIZE, NULL, sr_fs9721_packet_valid, sr_fs9721_parse, NULL, &uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A, }, { "UNI-T", "UT60E", 2400, FS9721_PACKET_SIZE, NULL, sr_fs9721_packet_valid, sr_fs9721_parse, sr_fs9721_00_temp_c, &uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E, }, { "UNI-T", "UT61D", 2400, FS9922_PACKET_SIZE, NULL, sr_fs9922_packet_valid, sr_fs9922_parse, NULL, &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D, }, { /* * Important: The actual baudrate of the Cyrustek ES51922 chip * used in this DMM is 19230. However, the WCH CH9325 chip * (UART to USB/HID) used in (some versions of) the UNI-T * UT-D04 cable doesn't support 19230 baud. It only supports * 19200, and setting an unsupported baudrate will result in * the default of 2400 being used (which will not work with * this DMM, of course). */ "UNI-T", "UT61E", 19200, ES51922_PACKET_SIZE, NULL, sr_es51922_packet_valid, sr_es51922_parse, NULL, &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E, }, { "Voltcraft", "VC-820", 2400, FS9721_PACKET_SIZE, NULL, sr_fs9721_packet_valid, sr_fs9721_parse, NULL, &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820, }, { /* * Note: The VC830 doesn't set the 'volt' and 'diode' bits of * the FS9922 protocol. Instead, it only sets the user-defined * bit "z1" to indicate "diode mode" and "voltage". */ "Voltcraft", "VC-830", 2400, FS9922_PACKET_SIZE, NULL, sr_fs9922_packet_valid, sr_fs9922_parse, &sr_fs9922_z1_diode, &voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830, }, { "Voltcraft", "VC-840", 2400, FS9721_PACKET_SIZE, NULL, sr_fs9721_packet_valid, sr_fs9721_parse, sr_fs9721_00_temp_c, &voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840, }, }; static int dev_clear(int dmm) { return std_dev_clear(udmms[dmm].di, NULL); } static int init(struct sr_context *sr_ctx, int dmm) { sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name); return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX); } static GSList *scan(GSList *options, int dmm) { GSList *usb_devices, *devices, *l; struct sr_dev_inst *sdi; struct dev_context *devc; struct drv_context *drvc; struct sr_usb_dev_inst *usb; struct sr_config *src; struct sr_probe *probe; const char *conn; drvc = udmms[dmm].di->priv; conn = 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; } } if (!conn) return NULL; devices = NULL; if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { g_slist_free_full(usb_devices, g_free); return NULL; } for (l = usb_devices; l; l = l->next) { usb = l->data; if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { sr_err("Device context malloc failed."); return NULL; } devc->first_run = TRUE; if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, udmms[dmm].vendor, udmms[dmm].device, NULL))) { sr_err("sr_dev_inst_new returned NULL."); return NULL; } sdi->priv = devc; sdi->driver = udmms[dmm].di; if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) return NULL; sdi->probes = g_slist_append(sdi->probes, probe); sdi->inst_type = SR_INST_USB; sdi->conn = usb; drvc->instances = g_slist_append(drvc->instances, sdi); devices = g_slist_append(devices, sdi); } return devices; } static GSList *dev_list(int dmm) { return ((struct drv_context *)(udmms[dmm].di->priv))->instances; } static int dev_open(struct sr_dev_inst *sdi, int dmm) { struct drv_context *drvc; struct sr_usb_dev_inst *usb; int ret; drvc = udmms[dmm].di->priv; usb = sdi->conn; if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK) sdi->status = SR_ST_ACTIVE; return ret; } static int dev_close(struct sr_dev_inst *sdi) { (void)sdi; /* TODO */ sdi->status = SR_ST_INACTIVE; return SR_OK; } static int cleanup(int dmm) { return dev_clear(dmm); } static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, const struct sr_probe_group *probe_group) { struct dev_context *devc; (void)probe_group; devc = sdi->priv; switch (id) { case SR_CONF_LIMIT_MSEC: if (g_variant_get_uint64(data) == 0) { sr_err("Time limit cannot be 0."); return SR_ERR; } devc->limit_msec = g_variant_get_uint64(data); sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec); break; case SR_CONF_LIMIT_SAMPLES: if (g_variant_get_uint64(data) == 0) { sr_err("Sample limit cannot be 0."); return SR_ERR; } devc->limit_samples = g_variant_get_uint64(data); sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples); break; default: return SR_ERR_NA; } return SR_OK; } static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, const struct sr_probe_group *probe_group) { (void)sdi; (void)probe_group; switch (key) { case SR_CONF_SCAN_OPTIONS: *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); break; case SR_CONF_DEVICE_OPTIONS: *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_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 dmm) { struct dev_context *devc; devc = sdi->priv; devc->cb_data = cb_data; devc->starttime = g_get_monotonic_time(); /* Send header packet to the session bus. */ std_session_send_df_header(cb_data, LOG_PREFIX); sr_source_add(0, 0, 10 /* poll_timeout */, udmms[dmm].receive_data, (void *)sdi); return SR_OK; } static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) { struct sr_datafeed_packet packet; (void)sdi; sr_dbg("Stopping acquisition."); /* Send end packet to the session bus. */ sr_dbg("Sending SR_DF_END."); packet.type = SR_DF_END; sr_session_send(cb_data, &packet); /* TODO? */ sr_source_remove(0); return SR_OK; } /* Driver-specific API function wrappers */ #define HW_INIT(X) \ static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } #define HW_CLEANUP(X) \ static int cleanup_##X(void) { return cleanup(X); } #define HW_SCAN(X) \ static GSList *scan_##X(GSList *options) { return scan(options, X); } #define HW_DEV_LIST(X) \ static GSList *dev_list_##X(void) { return dev_list(X); } #define HW_DEV_CLEAR(X) \ static int dev_clear_##X(void) { return dev_clear(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); } #define HW_DEV_OPEN(X) \ static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, 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_DEV_ACQUISITION_START(ID_UPPER) \ HW_DEV_OPEN(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, \ .dev_open = dev_open_##ID_UPPER, \ .dev_close = dev_close, \ .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ .dev_acquisition_stop = dev_acquisition_stop, \ .priv = NULL, \ }; DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061") DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A") DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E") DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D") DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E") DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820") DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830") DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840")