X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Ffluke-dmm%2Fapi.c;h=158e6f90b29bdf49e1d06b02c428378a9086285b;hb=HEAD;hp=331b4afdabe6eb2dbfc2916be9cf98bec1f3260a;hpb=6a4710fac267c07cc146b2a3cd23204b08bea552;p=libsigrok.git diff --git a/hardware/fluke-dmm/api.c b/hardware/fluke-dmm/api.c deleted file mode 100644 index 331b4afd..00000000 --- a/hardware/fluke-dmm/api.c +++ /dev/null @@ -1,419 +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 "fluke-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, -}; - -SR_PRIV struct sr_dev_driver flukedmm_driver_info; -static struct sr_dev_driver *di = &flukedmm_driver_info; - -static char *scan_conn[] = { - /* 287/289 */ - "115200/8n1", - /* 187/189 */ - "9600/8n1", - /* Scopemeter 190 series */ - "1200/8n1", - NULL -}; - -static const struct flukedmm_profile supported_flukedmm[] = { - { FLUKE_187, "187", 100, 1000 }, - { FLUKE_287, "287", 100, 1000 }, - { FLUKE_190, "199B", 1000, 3500 }, -}; - - -/* 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 *fluke_scan(const char *conn, const char *serialcomm) -{ - 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 retry, len, i, s; - char buf[128], *b, **tokens; - - if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) - return NULL; - - if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) - return NULL; - - drvc = di->priv; - b = buf; - retry = 0; - devices = NULL; - /* We'll try the discovery sequence three times in case the device - * is not in an idle state when we send ID. */ - while (!devices && retry < 3) { - retry++; - serial_flush(serial); - if (serial_write(serial, "ID\r", 3) == -1) { - sr_err("Unable to send ID string: %s.", - strerror(errno)); - continue; - } - - /* Response is first a CMD_ACK byte (ASCII '0' for OK, - * or '1' to signify an error. */ - len = 128; - serial_readline(serial, &b, &len, 150); - if (len != 1) - continue; - if (buf[0] != '0') - continue; - - /* If CMD_ACK was OK, ID string follows. */ - len = 128; - serial_readline(serial, &b, &len, 850); - if (len < 10) - continue; - if (strcspn(buf, ",") < 15) - /* Looks like it's comma-separated. */ - tokens = g_strsplit(buf, ",", 3); - else - /* Fluke 199B, at least, uses semicolon. */ - tokens = g_strsplit(buf, ";", 3); - if (!strncmp("FLUKE", tokens[0], 5) - && tokens[1] && tokens[2]) { - for (i = 0; supported_flukedmm[i].model; i++) { - if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6)) - continue; - /* Skip leading spaces in version number. */ - for (s = 0; tokens[1][s] == ' '; s++); - if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Fluke", - tokens[0] + 6, tokens[1] + s))) - return NULL; - if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { - sr_err("Device context malloc failed."); - return NULL; - } - devc->profile = &supported_flukedmm[i]; - devc->serial = serial; - 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); - if (devices) - /* Found one. */ - break; - } - serial_close(serial); - if (!devices) - sr_serial_dev_inst_free(serial); - - return devices; -} - -static GSList *hw_scan(GSList *options) -{ - struct sr_config *src; - GSList *l, *devices; - int i; - 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 = src->value; - break; - case SR_CONF_SERIALCOMM: - serialcomm = src->value; - break; - } - } - if (!conn) - return NULL; - - if (serialcomm) { - /* Use the provided comm specs. */ - devices = fluke_scan(conn, serialcomm); - } else { - for (i = 0; scan_conn[i]; i++) { - if ((devices = fluke_scan(conn, scan_conn[i]))) - break; - /* The Scopemeter 199B, at least, requires this - * after all the 115k/9.6k confusion. */ - g_usleep(5000); - } - } - - 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_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 config_list(int key, const void **data, const struct sr_dev_inst *sdi) -{ - - (void)sdi; - - switch (key) { - case SR_CONF_SCAN_OPTIONS: - *data = hwopts; - break; - case SR_CONF_DEVICE_OPTIONS: - *data = hwcaps; - break; - default: - return SR_ERR_ARG; - } - - 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, 50, fluke_receive_data, (void *)sdi); - - if (serial_write(devc->serial, "QM\r", 3) == -1) { - sr_err("Unable to send QM: %s.", strerror(errno)); - return SR_ERR; - } - devc->cmd_sent_at = g_get_monotonic_time() / 1000; - devc->expect_response = TRUE; - - 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 flukedmm_driver_info = { - .name = "fluke-dmm", - .longname = "Fluke 18x/28x series DMMs", - .api_version = 1, - .init = hw_init, - .cleanup = hw_cleanup, - .scan = hw_scan, - .dev_list = hw_dev_list, - .dev_clear = clear_instances, - .config_set = config_set, - .config_list = config_list, - .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, -};