+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz>
- *
- * 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 <http://www.gnu.org/licenses/>.
- */
-
-/** @file
- * Norma DM9x0/Siemens B102x DMMs driver.
- * @internal
- */
-
-#include "protocol.h"
-
-static const int32_t hwopts[] = {
- SR_CONF_CONN,
- SR_CONF_SERIALCOMM,
-};
-
-static const int32_t hwcaps[] = {
- SR_CONF_MULTIMETER,
- SR_CONF_LIMIT_SAMPLES,
- SR_CONF_LIMIT_MSEC,
- SR_CONF_CONTINUOUS,
-};
-
-#define BUF_MAX 50
-
-#define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1"
-
-SR_PRIV struct sr_dev_driver norma_dmm_driver_info;
-SR_PRIV struct sr_dev_driver siemens_b102x_driver_info;
-
-static const char* get_brandstr(struct sr_dev_driver* drv)
-{
- if (drv == &norma_dmm_driver_info)
- return "Norma";
- else
- return "Siemens";
-}
-
-static const char* get_typestr(int type, struct sr_dev_driver* drv)
-{
- static const char* nameref[5][2] = {
- {"DM910", "B1024"},
- {"DM920", "B1025"},
- {"DM930", "B1026"},
- {"DM940", "B1027"},
- {"DM950", "B1028"}};
-
- if ((type < 1) || (type > 5))
- return "Unknown type!";
-
- return nameref[type-1][(drv == &siemens_b102x_driver_info)];
-}
-
-static int init_norma_dmm(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, &norma_dmm_driver_info, LOG_PREFIX);
-}
-
-static int init_siemens_b102x(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, &siemens_b102x_driver_info, LOG_PREFIX);
-}
-
-static GSList *do_scan(struct sr_dev_driver* drv, GSList *options)
-{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_config *src;
- struct sr_channel *ch;
- struct sr_serial_dev_inst *serial;
- GSList *l, *devices;
- int len, cnt;
- const char *conn, *serialcomm;
- char *buf;
- char req[10];
- int auxtype;
-
- devices = NULL;
- drvc = drv->priv;
- drvc->instances = NULL;
- 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)
- 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 (!(buf = g_try_malloc(BUF_MAX))) {
- sr_err("Serial buffer malloc failed.");
- return NULL;
- }
-
- snprintf(req, sizeof(req), "%s\r\n",
- nmadmm_requests[NMADMM_REQ_IDN].req_str);
- g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */
- for (cnt = 0; cnt < 7; cnt++) {
- if (serial_write(serial, req, strlen(req)) == -1) {
- sr_err("Unable to send identification request: %d %s.",
- errno, strerror(errno));
- return NULL;
- }
- len = BUF_MAX;
- serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS);
- if (!len)
- continue;
- buf[BUF_MAX - 1] = '\0';
-
- /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950) */
- if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) {
- auxtype = xgittoint(buf[7]);
- sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9);
-
- if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
- get_brandstr(drv), get_typestr(auxtype, drv), buf + 9)))
- return NULL;
- if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
- sr_err("Device context malloc failed.");
- return NULL;
- }
- devc->type = auxtype;
- devc->version = g_strdup(&buf[9]);
- devc->elapsed_msec = g_timer_new();
-
- sdi->conn = serial;
- sdi->priv = devc;
- sdi->driver = drv;
- if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE,
- "P1")))
- return NULL;
- sdi->channels = g_slist_append(sdi->channels, ch);
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
- break;
- }
-
- /*
- * The interface of the DM9x0 contains a cap that needs to
- * charge for up to 10s before the interface works, if not
- * powered externally. Therefore wait a little to improve
- * chances.
- */
- if (cnt == 3) {
- sr_info("Waiting 5s to allow interface to settle.");
- g_usleep(5 * 1000 * 1000);
- }
- }
-
- g_free(buf);
-
- serial_close(serial);
- if (!devices)
- sr_serial_dev_inst_free(serial);
-
- return devices;
-}
-
-static GSList *scan_norma_dmm(GSList *options)
-{
- return do_scan(&norma_dmm_driver_info, options);
-}
-
-static GSList *scan_siemens_b102x(GSList *options)
-{
- return do_scan(&siemens_b102x_driver_info, options);
-}
-
-static GSList *dev_list_norma_dmm(void)
-{
- return ((struct drv_context *)(norma_dmm_driver_info.priv))->instances;
-}
-
-static GSList *dev_list_siemens_b102x(void)
-{
- return ((struct drv_context *)(siemens_b102x_driver_info.priv))->instances;
-}
-
-static int dev_close(struct sr_dev_inst *sdi)
-{
- struct dev_context *devc;
-
- std_serial_dev_close(sdi);
-
- /* Free dynamically allocated resources. */
- if ((devc = sdi->priv) && devc->version) {
- g_free(devc->version);
- devc->version = NULL;
- g_timer_destroy(devc->elapsed_msec);
- }
-
- return SR_OK;
-}
-
-static int cleanup_norma_dmm(void)
-{
- return std_dev_clear(&norma_dmm_driver_info, NULL);
-}
-
-static int cleanup_siemens_b102x(void)
-{
- return std_dev_clear(&siemens_b102x_driver_info, NULL);
-}
-
-static int config_set(int 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;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- switch (key) {
- case SR_CONF_LIMIT_MSEC:
- if (g_variant_get_uint64(data) == 0) {
- sr_err("LIMIT_MSEC can't 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:
- 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_channel_group *cg)
-{
- (void)sdi;
- (void)cg;
-
- 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)
-{
- struct dev_context *devc;
- struct sr_serial_dev_inst *serial;
-
- if (!sdi || !cb_data || !(devc = sdi->priv))
- return SR_ERR_BUG;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc->cb_data = cb_data;
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(cb_data, LOG_PREFIX);
-
- /* Start timer, if required. */
- if (devc->limit_msec)
- g_timer_start(devc->elapsed_msec);
-
- /* Poll every 100ms, or whenever some data comes in. */
- serial = sdi->conn;
- serial_source_add(sdi->session, serial, G_IO_IN, 100,
- norma_dmm_receive_data, (void *)sdi);
-
- return SR_OK;
-}
-
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
- struct dev_context *devc;
-
- /* Stop timer, if required. */
- if (sdi && (devc = sdi->priv) && devc->limit_msec)
- g_timer_stop(devc->elapsed_msec);
-
- return std_serial_dev_acquisition_stop(sdi, cb_data, dev_close,
- sdi->conn, LOG_PREFIX);
-}
-
-SR_PRIV struct sr_dev_driver norma_dmm_driver_info = {
- .name = "norma-dmm",
- .longname = "Norma DM9x0 DMMs",
- .api_version = 1,
- .init = init_norma_dmm,
- .cleanup = cleanup_norma_dmm,
- .scan = scan_norma_dmm,
- .dev_list = dev_list_norma_dmm,
- .dev_clear = NULL,
- .config_get = NULL,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = std_serial_dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
-
-
-SR_PRIV struct sr_dev_driver siemens_b102x_driver_info = {
- .name = "siemens-b102x",
- .longname = "Siemens B102x DMMs",
- .api_version = 1,
- .init = init_siemens_b102x,
- .cleanup = cleanup_siemens_b102x,
- .scan = scan_siemens_b102x,
- .dev_list = dev_list_siemens_b102x,
- .dev_clear = NULL,
- .config_get = NULL,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = std_serial_dev_open,
- .dev_close = dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
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