X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fagilent-dmm%2Fapi.c;h=ab5daaa5518498dc84b968aac65e3121934f96a3;hb=HEAD;hp=afd267017b8981ef597db3fcabf56666b153fb28;hpb=035a1078fda93cf1da37d19b3a1d95311b99b00f;p=libsigrok.git diff --git a/hardware/agilent-dmm/api.c b/hardware/agilent-dmm/api.c deleted file mode 100644 index afd26701..00000000 --- a/hardware/agilent-dmm/api.c +++ /dev/null @@ -1,378 +0,0 @@ -/* - * This file is part of the sigrok project. - * - * Copyright (C) 2012 Bert Vermeulen - * - * 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 "agilent-dmm.h" - -static const int hwopts[] = { - SR_CONF_CONN, - SR_CONF_SERIALCOMM, - 0, -}; - -static const int hwcaps[] = { - SR_CONF_MULTIMETER, - SR_CONF_LIMIT_SAMPLES, - SR_CONF_LIMIT_MSEC, - SR_CONF_CONTINUOUS, - 0, -}; - -extern const struct agdmm_job agdmm_jobs_u123x[]; -extern const struct agdmm_recv agdmm_recvs_u123x[]; -extern const struct agdmm_job agdmm_jobs_u125x[]; -extern const struct agdmm_recv agdmm_recvs_u125x[]; - -/* This works on all the Agilent U12xxA series, although the - * U127xA can apparently also run at 19200/8n1. */ -#define SERIALCOMM "9600/8n1" - -static const struct agdmm_profile supported_agdmm[] = { - { AGILENT_U1231A, "U1231A", agdmm_jobs_u123x, agdmm_recvs_u123x }, - { AGILENT_U1232A, "U1232A", agdmm_jobs_u123x, agdmm_recvs_u123x }, - { AGILENT_U1233A, "U1233A", agdmm_jobs_u123x, agdmm_recvs_u123x }, - { AGILENT_U1251A, "U1251A", agdmm_jobs_u125x, agdmm_recvs_u125x }, - { AGILENT_U1252A, "U1252A", agdmm_jobs_u125x, agdmm_recvs_u125x }, - { AGILENT_U1253A, "U1253A", agdmm_jobs_u125x, agdmm_recvs_u125x }, - { 0, NULL, NULL, NULL } -}; - -SR_PRIV struct sr_dev_driver agdmm_driver_info; -static struct sr_dev_driver *di = &agdmm_driver_info; - -/* 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(struct sr_context *sr_ctx) -{ - struct drv_context *drvc; - - if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { - sr_err("Driver context malloc failed."); - return SR_ERR_MALLOC; - } - - drvc->sr_ctx = sr_ctx; - di->priv = drvc; - - return SR_OK; -} - -static GSList *hw_scan(GSList *options) -{ - struct sr_dev_inst *sdi; - struct drv_context *drvc; - struct dev_context *devc; - struct sr_config *src; - struct sr_probe *probe; - struct sr_serial_dev_inst *serial; - GSList *l, *devices; - int len, i; - const char *conn, *serialcomm; - char *buf, **tokens; - - drvc = di->priv; - drvc->instances = NULL; - - devices = NULL; - conn = serialcomm = NULL; - for (l = options; l; l = l->next) { - src = l->data; - switch (src->key) { - case SR_CONF_CONN: - conn = src->value; - break; - case SR_CONF_SERIALCOMM: - serialcomm = src->value; - break; - } - } - if (!conn) - return NULL; - if (!serialcomm) - serialcomm = SERIALCOMM; - - if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) - return NULL; - - if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return NULL; - - serial_flush(serial); - if (serial_write(serial, "*IDN?\r\n", 7) == -1) { - sr_err("Unable to send identification string: %s.", - strerror(errno)); - return NULL; - } - - len = 128; - if (!(buf = g_try_malloc(len))) { - sr_err("Serial buffer malloc failed."); - return NULL; - } - serial_readline(serial, &buf, &len, 150); - if (!len) - return NULL; - - tokens = g_strsplit(buf, ",", 4); - if (!strcmp("Agilent Technologies", tokens[0]) - && tokens[2] && tokens[3]) { - for (i = 0; supported_agdmm[i].model; i++) { - if (strcmp(supported_agdmm[i].modelname, tokens[1])) - continue; - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, tokens[0], - tokens[1], tokens[3]))) - return NULL; - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { - sr_err("Device context malloc failed."); - return NULL; - } - devc->profile = &supported_agdmm[i]; - devc->serial = serial; - devc->cur_mq = -1; - sdi->priv = devc; - sdi->driver = di; - if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) - return NULL; - sdi->probes = g_slist_append(sdi->probes, probe); - drvc->instances = g_slist_append(drvc->instances, sdi); - devices = g_slist_append(devices, sdi); - break; - } - } - g_strfreev(tokens); - g_free(buf); - - serial_close(serial); - if (!devices) - sr_serial_dev_inst_free(serial); - - 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 config_get(int id, const void **data, const struct sr_dev_inst *sdi) -{ - (void)sdi; - - switch (id) { - case SR_DI_HWOPTS: - *data = hwopts; - break; - case SR_DI_HWCAPS: - *data = hwcaps; - break; - default: - return SR_ERR_ARG; - } - - return SR_OK; -} - -static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) -{ - 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 (id) { - case SR_CONF_LIMIT_MSEC: - /* TODO: not yet implemented */ - if (*(const uint64_t *)value == 0) { - sr_err("LIMIT_MSEC can't be 0."); - return SR_ERR; - } - devc->limit_msec = *(const uint64_t *)value; - sr_dbg("Setting time limit to %" PRIu64 "ms.", - devc->limit_msec); - break; - case SR_CONF_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.", id); - 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 dev_context *devc; - - if (!(devc = sdi->priv)) { - sr_err("sdi->priv was NULL."); - return SR_ERR_BUG; - } - - sr_dbg("Starting acquisition."); - - devc->cb_data = cb_data; - - /* 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); - - /* Poll every 100ms, or whenever some data comes in. */ - sr_source_add(devc->serial->fd, G_IO_IN, 100, agdmm_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 agdmm_driver_info = { - .name = "agilent-dmm", - .longname = "Agilent U12xx series DMMs", - .api_version = 1, - .init = hw_init, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .config_get = config_get, - .config_set = config_set, - .dev_open = hw_dev_open, - .dev_close = hw_dev_close, - .dev_acquisition_start = hw_dev_acquisition_start, - .dev_acquisition_stop = hw_dev_acquisition_stop, - .priv = NULL, -};