X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fserial-dmm%2Fapi.c;h=5a89b3d158ad7d5660ce9812899faf9f5d1b55f0;hb=HEAD;hp=60e9212f3d5917c99e807a187a69bc7b1f1c8cce;hpb=d5ce233fe16a68e6522538c226a91e63628521dd;p=libsigrok.git diff --git a/hardware/serial-dmm/api.c b/hardware/serial-dmm/api.c deleted file mode 100644 index 60e9212f..00000000 --- a/hardware/serial-dmm/api.c +++ /dev/null @@ -1,764 +0,0 @@ -/* - * This file is part of the sigrok project. - * - * Copyright (C) 2012 Bert Vermeulen - * Copyright (C) 2012 Alexandru Gagniuc - * Copyright (C) 2012 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 3 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 -#include -#include -#include -#include -#include "libsigrok.h" -#include "libsigrok-internal.h" -#include "protocol.h" - -static const int hwopts[] = { - SR_HWOPT_CONN, - SR_HWOPT_SERIALCOMM, - 0, -}; - -static const int hwcaps[] = { - SR_HWCAP_MULTIMETER, - SR_HWCAP_LIMIT_SAMPLES, - SR_HWCAP_CONTINUOUS, - 0, -}; - -static const char *probe_names[] = { - "Probe", - NULL, -}; - -SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info; -SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info; -SR_PRIV struct sr_dev_driver metex_me31_driver_info; -SR_PRIV struct sr_dev_driver peaktech_3410_driver_info; -SR_PRIV struct sr_dev_driver mastech_mas345_driver_info; -SR_PRIV struct sr_dev_driver va_va18b_driver_info; -SR_PRIV struct sr_dev_driver metex_m3640d_driver_info; -SR_PRIV struct sr_dev_driver peaktech_4370_driver_info; -SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info; -SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info; - -static struct sr_dev_driver *di_dt4000zc = &digitek_dt4000zc_driver_info; -static struct sr_dev_driver *di_tp4000zc = &tekpower_tp4000zc_driver_info; -static struct sr_dev_driver *di_me31 = &metex_me31_driver_info; -static struct sr_dev_driver *di_3410 = &peaktech_3410_driver_info; -static struct sr_dev_driver *di_mas345 = &mastech_mas345_driver_info; -static struct sr_dev_driver *di_va18b = &va_va18b_driver_info; -static struct sr_dev_driver *di_m3640d = &metex_m3640d_driver_info; -static struct sr_dev_driver *di_4370 = &peaktech_4370_driver_info; -static struct sr_dev_driver *di_pce_dm32 = &pce_pce_dm32_driver_info; -static struct sr_dev_driver *di_22_168 = &radioshack_22_168_driver_info; - -/* After hw_init() this will point to a device-specific entry (see above). */ -static struct sr_dev_driver *di = NULL; - -SR_PRIV struct dmm_info dmms[] = { - { - "Digitek", "DT4000ZC", "2400/8n1", 2400, - FS9721_PACKET_SIZE, NULL, - sr_fs9721_packet_valid, sr_fs9721_parse, - dmm_details_dt4000zc, - }, - { - "TekPower", "TP4000ZC", "2400/8n1", 2400, - FS9721_PACKET_SIZE, NULL, - sr_fs9721_packet_valid, sr_fs9721_parse, - dmm_details_tp4000zc, - }, - { - "Metex", "ME-31", "600/7n2/rts=0/dtr=1", 600, - METEX14_PACKET_SIZE, sr_metex14_packet_request, - sr_metex14_packet_valid, sr_metex14_parse, - NULL, - }, - { - "Peaktech", "3410", "600/7n2/rts=0/dtr=1", 600, - METEX14_PACKET_SIZE, sr_metex14_packet_request, - sr_metex14_packet_valid, sr_metex14_parse, - NULL, - }, - { - "MASTECH", "MAS345", "600/7n2/rts=0/dtr=1", 600, - METEX14_PACKET_SIZE, sr_metex14_packet_request, - sr_metex14_packet_valid, sr_metex14_parse, - NULL, - }, - { - "V&A", "VA18B", "2400/8n1", 2400, - FS9721_PACKET_SIZE, NULL, - sr_fs9721_packet_valid, sr_fs9721_parse, - dmm_details_va18b, - }, - { - "Metex", "M-3640D", "1200/7n2/rts=0/dtr=1", 1200, - METEX14_PACKET_SIZE, sr_metex14_packet_request, - sr_metex14_packet_valid, sr_metex14_parse, - NULL, - }, - { - "PeakTech", "4370", "1200/7n2/rts=0/dtr=1", 1200, - METEX14_PACKET_SIZE, sr_metex14_packet_request, - sr_metex14_packet_valid, sr_metex14_parse, - NULL, - }, - { - "PCE", "PCE-DM32", "2400/8n1", 2400, - FS9721_PACKET_SIZE, NULL, - sr_fs9721_packet_valid, sr_fs9721_parse, - dmm_details_pce_dm32, - }, - { - "RadioShack", "22-168", "1200/7n2/rts=0/dtr=1", 1200, - METEX14_PACKET_SIZE, sr_metex14_packet_request, - sr_metex14_packet_valid, sr_metex14_parse, - NULL, - }, -}; - -/* Properly close and free all devices. */ -static int clear_instances(void) -{ - struct sr_dev_inst *sdi; - struct drv_context *drvc; - struct dev_context *devc; - GSList *l; - - if (!(drvc = di->priv)) - return SR_OK; - - drvc = di->priv; - for (l = drvc->instances; l; l = l->next) { - if (!(sdi = l->data)) - continue; - if (!(devc = sdi->priv)) - continue; - sr_serial_dev_inst_free(devc->serial); - sr_dev_inst_free(sdi); - } - g_slist_free(drvc->instances); - drvc->instances = NULL; - - return SR_OK; -} - -static int hw_init(int dmm) -{ - struct drv_context *drvc; - - if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { - sr_err("Driver context malloc failed."); - return SR_ERR_MALLOC; - } - - if (dmm == DIGITEK_DT4000ZC) - di = di_dt4000zc; - if (dmm == TEKPOWER_TP4000ZC) - di = di_tp4000zc; - if (dmm == METEX_ME31) - di = di_me31; - if (dmm == PEAKTECH_3410) - di = di_3410; - if (dmm == MASTECH_MAS345) - di = di_mas345; - if (dmm == VA_VA18B) - di = di_va18b; - if (dmm == METEX_M3640D) - di = di_m3640d; - if (dmm == PEAKTECH_4370) - di = di_4370; - if (dmm == PCE_PCE_DM32) - di = di_pce_dm32; - if (dmm == RADIOSHACK_22_168) - di = di_22_168; - sr_dbg("Selected '%s' subdriver.", di->name); - - di->priv = drvc; - - return SR_OK; -} - -static int hw_init_digitek_dt4000zc(void) -{ - return hw_init(DIGITEK_DT4000ZC); -} - -static int hw_init_tekpower_tp4000zc(void) -{ - return hw_init(TEKPOWER_TP4000ZC); -} - -static int hw_init_metex_me31(void) -{ - return hw_init(METEX_ME31); -} - -static int hw_init_peaktech_3410(void) -{ - return hw_init(PEAKTECH_3410); -} - -static int hw_init_mastech_mas345(void) -{ - return hw_init(MASTECH_MAS345); -} - -static int hw_init_va_va18b(void) -{ - return hw_init(VA_VA18B); -} - -static int hw_init_metex_m3640d(void) -{ - return hw_init(METEX_M3640D); -} - -static int hw_init_peaktech_4370(void) -{ - return hw_init(PEAKTECH_4370); -} - -static int hw_init_pce_pce_dm32(void) -{ - return hw_init(PCE_PCE_DM32); -} - -static int hw_init_radioshack_22_168(void) -{ - return hw_init(RADIOSHACK_22_168); -} - -static GSList *scan(const char *conn, const char *serialcomm, int dmm) -{ - struct sr_dev_inst *sdi; - struct drv_context *drvc; - struct dev_context *devc; - struct sr_probe *probe; - struct sr_serial_dev_inst *serial; - GSList *devices; - int dropped, ret; - size_t len; - uint8_t buf[128]; - - if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) - return NULL; - - if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return NULL; - - sr_info("Probing port %s.", conn); - - drvc = di->priv; - devices = NULL; - serial_flush(serial); - - /* - * There's no way to get an ID from the multimeter. It just sends data - * periodically, so the best we can do is check if the packets match - * the expected format. - */ - - /* Let's get a bit of data and see if we can find a packet. */ - len = sizeof(buf); - - /* Request a packet if the DMM requires this. */ - if (dmms[dmm].packet_request) { - if ((ret = dmms[dmm].packet_request(serial)) < 0) { - sr_err("Failed to request packet: %d.", ret); - return FALSE; - } - } - - ret = serial_stream_detect(serial, buf, &len, dmms[dmm].packet_size, - dmms[dmm].packet_valid, 1000, - dmms[dmm].baudrate); - if (ret != SR_OK) - goto scan_cleanup; - - /* - * If we dropped more than two packets worth of data, something is - * wrong. We shouldn't quit however, since the dropped bytes might be - * just zeroes at the beginning of the stream. Those can occur as a - * combination of the nonstandard cable that ships with this device and - * the serial port or USB to serial adapter. - */ - dropped = len - dmms[dmm].packet_size; - if (dropped > 2 * dmms[dmm].packet_size) - sr_warn("Had to drop too much data."); - - sr_info("Found device on port %s.", conn); - - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, dmms[dmm].vendor, - dmms[dmm].device, ""))) - goto scan_cleanup; - - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { - sr_err("Device context malloc failed."); - goto scan_cleanup; - } - - devc->serial = serial; - - sdi->priv = devc; - sdi->driver = di; - if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) - goto scan_cleanup; - sdi->probes = g_slist_append(sdi->probes, probe); - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - -scan_cleanup: - serial_close(serial); - - return devices; -} - -static GSList *hw_scan(GSList *options) -{ - struct sr_hwopt *opt; - GSList *l, *devices; - const char *conn, *serialcomm; - int dmm; - - conn = serialcomm = NULL; - for (l = options; l; l = l->next) { - opt = l->data; - switch (opt->hwopt) { - case SR_HWOPT_CONN: - conn = opt->value; - break; - case SR_HWOPT_SERIALCOMM: - serialcomm = opt->value; - break; - } - } - if (!conn) - return NULL; - - if (!strcmp(di->name, "digitek-dt4000zc")) - dmm = 0; - if (!strcmp(di->name, "tekpower-tp4000zc")) - dmm = 1; - if (!strcmp(di->name, "metex-me31")) - dmm = 2; - if (!strcmp(di->name, "peaktech-3410")) - dmm = 3; - if (!strcmp(di->name, "mastech-mas345")) - dmm = 4; - if (!strcmp(di->name, "va-va18b")) - dmm = 5; - if (!strcmp(di->name, "metex-m3640d")) - dmm = 6; - if (!strcmp(di->name, "peaktech-4370")) - dmm = 7; - if (!strcmp(di->name, "pce-pce-dm32")) - dmm = 8; - if (!strcmp(di->name, "radioshack-22-168")) - dmm = 9; - - if (serialcomm) { - /* Use the provided comm specs. */ - devices = scan(conn, serialcomm, dmm); - } else { - /* Try the default. */ - devices = scan(conn, dmms[dmm].conn, dmm); - } - - return devices; -} - -static GSList *hw_dev_list(void) -{ - struct drv_context *drvc; - - drvc = di->priv; - - return drvc->instances; -} - -static int hw_dev_open(struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return SR_ERR; - - sdi->status = SR_ST_ACTIVE; - - return SR_OK; -} - -static int hw_dev_close(struct sr_dev_inst *sdi) -{ - struct dev_context *devc; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - if (devc->serial && devc->serial->fd != -1) { - serial_close(devc->serial); - sdi->status = SR_ST_INACTIVE; - } - - return SR_OK; -} - -static int hw_cleanup(void) -{ - clear_instances(); - - return SR_OK; -} - -static int hw_info_get(int info_id, const void **data, - const struct sr_dev_inst *sdi) -{ - (void)sdi; - - switch (info_id) { - case SR_DI_HWOPTS: - *data = hwopts; - break; - case SR_DI_HWCAPS: - *data = hwcaps; - break; - case SR_DI_NUM_PROBES: - *data = GINT_TO_POINTER(1); - break; - case SR_DI_PROBE_NAMES: - *data = probe_names; - break; - default: - return SR_ERR_ARG; - } - - return SR_OK; -} - -static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap, - const void *value) -{ - struct dev_context *devc; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - switch (hwcap) { - case SR_HWCAP_LIMIT_SAMPLES: - devc->limit_samples = *(const uint64_t *)value; - sr_dbg("Setting sample limit to %" PRIu64 ".", - devc->limit_samples); - break; - default: - sr_err("Unknown capability: %d.", hwcap); - return SR_ERR; - break; - } - - return SR_OK; -} - -static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, - void *cb_data) -{ - struct sr_datafeed_packet packet; - struct sr_datafeed_header header; - struct sr_datafeed_meta_analog meta; - struct dev_context *devc; - int (*receive_data)(int, int, void *) = NULL; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - sr_dbg("Starting acquisition."); - - devc->cb_data = cb_data; - - /* - * Reset the number of samples to take. If we've already collected our - * quota, but we start a new session, and don't reset this, we'll just - * quit without acquiring any new samples. - */ - devc->num_samples = 0; - - /* Send header packet to the session bus. */ - sr_dbg("Sending SR_DF_HEADER."); - packet.type = SR_DF_HEADER; - packet.payload = (uint8_t *)&header; - header.feed_version = 1; - gettimeofday(&header.starttime, NULL); - sr_session_send(devc->cb_data, &packet); - - /* Send metadata about the SR_DF_ANALOG packets to come. */ - sr_dbg("Sending SR_DF_META_ANALOG."); - packet.type = SR_DF_META_ANALOG; - packet.payload = &meta; - meta.num_probes = 1; - sr_session_send(devc->cb_data, &packet); - - if (!strcmp(di->name, "digitek-dt4000zc")) - receive_data = digitek_dt4000zc_receive_data; - if (!strcmp(di->name, "tekpower-tp4000zc")) - receive_data = tekpower_tp4000zc_receive_data; - if (!strcmp(di->name, "metex-me31")) - receive_data = metex_me31_receive_data; - if (!strcmp(di->name, "peaktech-3410")) - receive_data = peaktech_3410_receive_data; - if (!strcmp(di->name, "mastech-mas345")) - receive_data = mastech_mas345_receive_data; - if (!strcmp(di->name, "va-va18b")) - receive_data = va_va18b_receive_data; - if (!strcmp(di->name, "metex-m3640d")) - receive_data = metex_m3640d_receive_data; - if (!strcmp(di->name, "peaktech-4370")) - receive_data = peaktech_4370_receive_data; - if (!strcmp(di->name, "pce-pce-dm32")) - receive_data = pce_pce_dm32_receive_data; - if (!strcmp(di->name, "radioshack-22-168")) - receive_data = radioshack_22_168_receive_data; - - /* Poll every 50ms, or whenever some data comes in. */ - sr_source_add(devc->serial->fd, G_IO_IN, 50, - receive_data, (void *)sdi); - - return SR_OK; -} - -static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) -{ - struct sr_datafeed_packet packet; - struct dev_context *devc; - - if (sdi->status != SR_ST_ACTIVE) - return SR_ERR; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - sr_dbg("Stopping acquisition."); - - sr_source_remove(devc->serial->fd); - hw_dev_close((struct sr_dev_inst *)sdi); - - /* Send end packet to the session bus. */ - sr_dbg("Sending SR_DF_END."); - packet.type = SR_DF_END; - sr_session_send(cb_data, &packet); - - return SR_OK; -} - -SR_PRIV struct sr_dev_driver digitek_dt4000zc_driver_info = { - .name = "digitek-dt4000zc", - .longname = "Digitek DT4000ZC", - .api_version = 1, - .init = hw_init_digitek_dt4000zc, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver tekpower_tp4000zc_driver_info = { - .name = "tekpower-tp4000zc", - .longname = "TekPower TP4000ZC", - .api_version = 1, - .init = hw_init_tekpower_tp4000zc, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver metex_me31_driver_info = { - .name = "metex-me31", - .longname = "Metex ME-31", - .api_version = 1, - .init = hw_init_metex_me31, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver peaktech_3410_driver_info = { - .name = "peaktech-3410", - .longname = "PeakTech 3410", - .api_version = 1, - .init = hw_init_peaktech_3410, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver mastech_mas345_driver_info = { - .name = "mastech-mas345", - .longname = "MASTECH MAS345", - .api_version = 1, - .init = hw_init_mastech_mas345, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver va_va18b_driver_info = { - .name = "va-va18b", - .longname = "V&A VA18B", - .api_version = 1, - .init = hw_init_va_va18b, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver metex_m3640d_driver_info = { - .name = "metex-m3640d", - .longname = "Metex M-3640D", - .api_version = 1, - .init = hw_init_metex_m3640d, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver peaktech_4370_driver_info = { - .name = "peaktech-4370", - .longname = "PeakTech 4370", - .api_version = 1, - .init = hw_init_peaktech_4370, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver pce_pce_dm32_driver_info = { - .name = "pce-pce-dm32", - .longname = "PCE PCE-DM32", - .api_version = 1, - .init = hw_init_pce_pce_dm32, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -}; - -SR_PRIV struct sr_dev_driver radioshack_22_168_driver_info = { - .name = "radioshack-22-168", - .longname = "RadioShack 22-168", - .api_version = 1, - .init = hw_init_radioshack_22_168, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .info_get = hw_info_get, - .dev_config_set = hw_dev_config_set, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -};