+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz>
- * Copyright (C) 2014 Bert Vermeulen <bert@biot.com> (code from atten-pps3xxx)
- *
- * 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
- * <em>Motech LPS-30x series</em> power supply driver
- * @internal
- */
-
-#include <ctype.h>
-#include <errno.h>
-#include <math.h>
-#include <string.h>
-
-#include "protocol.h"
-
-/* Forward declarations */
-SR_PRIV struct sr_dev_driver motech_lps_301_driver_info;
-SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen);
-SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args);
-SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...);
-SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...);
-SR_PRIV int lps_query_status(struct sr_dev_inst* sdi);
-
-/* Serial communication parameters */
-#define SERIALCOMM "2400/8n1/dtr=1/rts=1/flow=0"
-
-#define VENDOR_MOTECH "Motech"
-
-/** Driver scanning options. */
-static const int32_t hwopts[] = {
- SR_CONF_CONN,
- SR_CONF_SERIALCOMM,
-};
-
-/** Hardware capabilities generic. */
-static const int32_t hwcaps[] = {
- /* Device class */
- SR_CONF_POWER_SUPPLY,
- /* Aquisition modes. */
- SR_CONF_LIMIT_SAMPLES,
- SR_CONF_LIMIT_MSEC,
- SR_CONF_CONTINUOUS,
- /* Device configuration */
- SR_CONF_OUTPUT_CHANNEL,
-};
-
-/** Hardware capabilities channel 1, 2. */
-static const int32_t hwcaps_ch12[] = {
- SR_CONF_OUTPUT_VOLTAGE,
- SR_CONF_OUTPUT_VOLTAGE_MAX,
- SR_CONF_OUTPUT_CURRENT,
- SR_CONF_OUTPUT_CURRENT_MAX,
- SR_CONF_OUTPUT_ENABLED,
-};
-
-/** Hardware capabilities channel 3. (LPS-304/305 only). */
-static const int32_t hwcaps_ch3[] = {
- SR_CONF_OUTPUT_VOLTAGE,
- SR_CONF_OUTPUT_ENABLED,
-};
-
-static const char *channel_modes[] = {
- "Independent",
- "Track1",
- "Track2",
-};
-
-static struct lps_modelspec models[] = {
- { LPS_UNKNOWN, "Dummy", 0,
- {
-
- }
- },
- { LPS_301, "LPS-301", 1,
- {
- /* Channel 1 */
- { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } },
- },
- },
- { LPS_302, "LPS-302", 1,
- {
- /* Channel 1 */
- { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
- },
- },
- { LPS_303, "LPS-303", 1,
- {
- /* Channel 1 */
- { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
- },
- },
- { LPS_304, "LPS-304", 3,
- {
- /* Channel 1 */
- { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
- /* Channel 2 */
- { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
- /* Channel 3 */
- { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } },
- },
- },
- { LPS_305, "LPS-305", 3,
- {
- /* Channel 1 */
- { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
- /* Channel 2 */
- { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } },
- /* Channel 3 */
- { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } },
- },
- },
-};
-
-static int init_lps301(struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, &motech_lps_301_driver_info, LOG_PREFIX);
-}
-
-/** Send command to device with va_list.
- */
-SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args)
-{
- int retc;
- char auxfmt[LINELEN_MAX];
- char buf[LINELEN_MAX];
-
- snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt);
- vsnprintf(buf, sizeof(buf), auxfmt, args);
-
- sr_spew("lps_send_va: \"%s\"", buf);
-
- retc = serial_write_nonblocking(serial, buf, strlen(buf));
-
- if (retc < 0)
- return SR_ERR;
-
- return SR_OK;
-}
-
-/** Send command to device.
- */
-SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char* fmt, ...)
-{
- int retc;
- va_list args;
-
- va_start(args, fmt);
- retc = lps_send_va(serial, fmt, args);
- va_end(args);
-
- return retc;
-}
-
-/** Send command and consume simple OK reply. */
-SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...)
-{
- int retc;
- va_list args;
- char buf[LINELEN_MAX];
- char* bufptr;
- int buflen;
-
- /* Send command */
- va_start(args, fmt);
- retc = lps_send_va(serial, fmt, args);
- va_end(args);
-
- if (retc != SR_OK)
- return SR_ERR;
-
- /* Read reply */
- buf[0] = '\0';
- bufptr = buf;
- buflen = sizeof(buf);
- retc = lps_read_reply(serial, &bufptr, &buflen);
- if ((retc == SR_OK) && (buflen == 0))
- return SR_OK;
-
- return SR_ERR;
-}
-
-/** Send command and read reply string.
- * \param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated.
- */
-SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...)
-{
- int retc;
- va_list args;
- char buf[LINELEN_MAX];
- char* bufptr;
- int buflen;
-
- reply[0] = '\0';
-
- /* Send command */
- va_start(args, fmt);
- retc = lps_send_va(serial, fmt, args);
- va_end(args);
-
- if (retc != SR_OK)
- return SR_ERR;
-
- /* Read reply */
- buf[0] = '\0';
- bufptr = buf;
- buflen = sizeof(buf);
- retc = lps_read_reply(serial, &bufptr, &buflen);
- if ((retc == SR_OK) && (buflen > 0)) {
- strcpy(reply, buf);
- return SR_OK;
- }
-
- return SR_ERR;
-}
-
-/** Process integer value returned by STATUS command. */
-SR_PRIV int lps_process_status(struct sr_dev_inst* sdi, int stat)
-{
- struct dev_context* devc;
- int tracking_mode;
-
- devc = (struct dev_context*)sdi->priv;
-
- sr_spew("Status: %d", stat);
- devc->channel_status[0].cc_mode = (stat & 0x01) != 0;
- sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV");
- if (devc->model->num_channels > 1) {
- devc->channel_status[1].cc_mode = (stat & 0x02) != 0;
- sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV");
-
- tracking_mode = (stat & 0x0c) >> 2;
- switch (tracking_mode) {
- case 0: devc->tracking_mode = 0;
- break;
- case 2: devc->tracking_mode = 1;
- break;
- case 3: devc->tracking_mode = 2;
- break;
- default:
- sr_err("Illegal channel tracking mode %d!", tracking_mode);
- devc->tracking_mode = 0;
- break;
- }
-
- sr_spew("Channel tracking: %d", devc->tracking_mode);
- }
- devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE;
- sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF");
- if (devc->model->num_channels > 2) {
- devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE;
- devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5;
- sr_spew("Channel 3 output: %s, U=%02f V, overload=%d",
- devc->channel_status[2].output_enabled?"ON":"OFF",
- devc->channel_status[2].output_voltage_last,
- stat&0x080?1:0);
- }
- sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0);
-
- return SR_OK;
-}
-
-/** Send STATUS commend and process status string. */
-SR_PRIV int lps_query_status(struct sr_dev_inst* sdi)
-{
- char buf[LINELEN_MAX];
- int stat;
- struct dev_context* devc;
-
- devc = (struct dev_context*)sdi->priv;
-
- devc->req_sent_at = g_get_real_time();
-
- if (lps_cmd_reply(buf, sdi->conn, "STATUS") < 0) {
- sr_err("%s: Failed to read status: %d %s", __func__, errno, strerror(errno));
- return SR_ERR;
- }
-
- if (sr_atoi(buf, &stat) != SR_OK)
- return SR_ERR;
-
- return lps_process_status(sdi, stat);
-}
-
-static gint64 calc_timeout_ms(gint64 start_us)
-{
- gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000);
-
- if (result < 0)
- return 0;
-
- return result;
-}
-
-/** Read message into buf until "OK" received.
- * \retval SR_OK Msg received; buf and buflen contain result, if any except OK.
- * \retval SR_ERR Error, including timeout.
-*/
-SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen)
-{
- int retries;
- char buf2[LINELEN_MAX];
- char *buf2ptr;
- int buf2len;
- gint64 timeout_start;
-
- *buf[0] = '\0';
-
- /* Read one line. It is either a data message or "OK". */
- timeout_start = g_get_real_time();
- buf2len = *buflen;
- /* Up to 5 tries because serial_readline() will consume only one CR or LF per
- * call, but device sends up to 4 in a row. */
- for (retries = 0; retries < 5; retries++) {
- *buflen = buf2len;
- if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK)
- return SR_ERR;
- if (!strcmp(*buf, "OK")) { /* We got an OK! */
- *buf[0] = '\0';
- *buflen = 0;
- return SR_OK;
- }
- if (*buflen > 0) /* We got a msg! */
- break;
- }
-
- /* A data msg is in buf (possibly ERROR), need to consume "OK". */
- buf2[0] = '\0';
- buf2ptr = buf2;
- for (retries = 0; retries < 5; retries++) {
- buf2len = sizeof(buf2);
- if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK)
- return SR_ERR;
-
- if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */
- if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */
- sr_spew("ERROR found!");
- *buf[0] = '\0';
- *buflen = 0;
- return SR_ERR;
- }
- return SR_OK;
- }
- }
-
- return SR_ERR; /* Timeout! */
-}
-
-/** Scan for LPS-300 series device.
- */
-static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options)
-{
- struct sr_dev_inst *sdi;
- struct drv_context *drvc;
- struct dev_context *devc;
- struct sr_serial_dev_inst *serial;
- struct sr_channel *ch;
- struct sr_channel_group *cg;
- GSList *devices;
- const char *conn, *serialcomm;
- int cnt;
- gchar buf[LINELEN_MAX];
- gchar channel[10];
- char* verstr;
-
- sdi = NULL;
- devc = NULL;
- conn = serialcomm = NULL;
- devices = NULL;
-
- drvc = drv->priv;
- drvc->instances = NULL;
-
- sr_spew("scan() called!");
-
- /* Process and check options. */
- if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK)
- return NULL;
- if (!serialcomm)
- serialcomm = SERIALCOMM;
-
- /* Init serial port. */
- if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
- return NULL;
-
- if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
- goto exit_err;
-
- /* Query and verify model string. */
- serial_flush(serial);
- if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK)
- return NULL;
-
- /* Check model string. */
- if (strncmp(buf, "LPS-", 4)) {
- sr_spew("Unknown model code \"%s\"!", buf);
- return NULL;
- }
-
- /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */
- if (modelid == LPS_UNKNOWN) {
- g_strstrip(buf);
- for (cnt = LPS_301; cnt <= LPS_305; cnt++) {
- if (!strcmp(buf, models[cnt].modelstr)) {
- modelid = cnt;
- break;
- }
- }
- if (modelid == LPS_UNKNOWN) {
- sr_err("Unable to detect model from model string '%s'!", buf);
- return NULL;
- }
- }
-
- /* Query version */
- verstr = NULL;
- if (lps_cmd_reply(buf, serial, "VERSION") == SR_OK) {
- if (strncmp(buf, "Ver-", 4)) {
- sr_spew("Version string %s not recognized.", buf);
- goto exit_err;
- }
-
-
- g_strstrip(buf);
- verstr = buf + 4;
- }
- else /* Bug in device FW 1.17: Quering version string fails while output is active.
- Therefore just print an error message, but do not exit with error. */
- sr_err("Failed to query for hardware version: %d %s", errno, strerror(errno));
-
- sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, VENDOR_MOTECH, models[modelid].modelstr, verstr);
- sdi->driver = drv;
- sdi->inst_type = SR_INST_SERIAL;
- sdi->conn = serial;
-
- devc = g_malloc0(sizeof(struct dev_context));
- devc->model = &models[modelid];
- devc->limit_samples = 0;
- devc->limit_msec = 0;
- devc->num_samples = 0;
- devc->elapsed_msec = g_timer_new();
-
- sdi->priv = devc;
-
- /* Setup channels and channel groups. */
- for (cnt = 0; cnt < models[modelid].num_channels; cnt++) {
- snprintf(channel, sizeof(channel), "CH%d", cnt + 1);
- ch = sr_channel_new(cnt, SR_CHANNEL_ANALOG, TRUE, channel);
- sdi->channels = g_slist_append(sdi->channels, ch);
-
- devc->channel_status[cnt].info = g_slist_append(NULL, ch);
-
- cg = g_malloc(sizeof(struct sr_channel_group));
- snprintf(channel, sizeof(channel), "CG%d", cnt+1);
- cg->name = g_strdup(channel);
- cg->priv = NULL;
- cg->channels = g_slist_append(NULL, ch);
-
- sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
- }
-
- drvc->instances = g_slist_append(drvc->instances, sdi);
- devices = g_slist_append(devices, sdi);
-
- /* Query status */
- if (lps_query_status(sdi) != SR_OK)
- goto exit_err;
-
- serial_close(serial);
- if (!devices)
- sr_serial_dev_inst_free(serial);
-
- return devices;
-
-exit_err:
- sr_info("%s: Error!", __func__);
-
- if (serial) {
- serial_close(serial);
- sr_serial_dev_inst_free(serial);
- }
- if (devc)
- g_free(devc);
- if (sdi)
- sr_dev_inst_free(sdi);
-
- return NULL;
-}
-
-/** Scan for LPS-301 device. */
-static GSList *scan_lps301(GSList *options)
-{
- return do_scan(LPS_301, &motech_lps_301_driver_info, options);
-}
-
-static GSList *doDevList(struct sr_dev_driver *drv)
-{
- return ((struct drv_context *)(drv->priv))->instances;
-}
-
-static GSList *dev_list_lps301(void)
-{
- return doDevList(&motech_lps_301_driver_info);
-}
-
-static void dev_clear_private(struct dev_context* devc)
-{
- int ch_idx;
-
- /* Free channel_status.info (list only, data owned by sdi). */
- for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++)
- g_slist_free(devc->channel_status[ch_idx].info);
-
- g_timer_destroy(devc->elapsed_msec);
-}
-
-static int dev_clear_lps301(void)
-{
- return std_dev_clear(&motech_lps_301_driver_info, (std_dev_clear_callback)dev_clear_private);
-}
-
-static int cleanup(void)
-{
- return dev_clear_lps301();
-}
-
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
- struct sr_channel *ch;
- int ch_idx;
-
- if (!sdi)
- return SR_ERR_ARG;
-
- devc = sdi->priv;
-
- if (!cg) {
- /* No channel group: global options. */
- switch (key) {
- case SR_CONF_LIMIT_SAMPLES:
- *data = g_variant_new_uint64(devc->limit_samples);
- break;
- case SR_CONF_LIMIT_MSEC:
- *data = g_variant_new_uint64(devc->limit_msec);
- break;
- case SR_CONF_OUTPUT_CHANNEL:
- *data = g_variant_new_string(channel_modes[devc->tracking_mode]);
- break;
- default:
- return SR_ERR_NA;
- }
- } else {
- /* We only ever have one channel per channel group in this driver. */
- ch = cg->channels->data;
- ch_idx = ch->index;
- switch (key) {
- case SR_CONF_OUTPUT_VOLTAGE:
- *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last);
- break;
- case SR_CONF_OUTPUT_VOLTAGE_MAX:
- *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max);
- break;
- case SR_CONF_OUTPUT_CURRENT:
- *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last);
- break;
- case SR_CONF_OUTPUT_CURRENT_MAX:
- *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max);
- break;
- case SR_CONF_OUTPUT_ENABLED:
- *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled);
- break;
- default:
- return SR_ERR_NA;
- }
- }
-
- return SR_OK;
-}
-
-static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
- const struct sr_channel_group *cg)
-{
- struct dev_context *devc;
- struct sr_channel *ch;
- gdouble dval;
- int ch_idx;
- const char *sval;
- gboolean bval;
- int idx;
- gboolean found;
-
- if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc = sdi->priv;
-
- /* Cannot change settings while acquisition active, would cause a mess with commands.
- * Changing this would be possible, but tricky. */
- if (devc->acq_running)
- return SR_ERR_NA;
-
- if (!cg) {
- /* No channel group: global options. */
- 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;
- case SR_CONF_OUTPUT_CHANNEL:
- sval = g_variant_get_string(data, NULL);
- found = FALSE;
- for (idx = 0; idx < (int)ARRAY_SIZE(channel_modes); idx++)
- {
- if (!strcmp(sval, channel_modes[idx])) {
- found = TRUE;
- if (devc->tracking_mode == idx)
- break; /* Nothing to do! */
- devc->tracking_mode = idx;
- if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */
- return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode);
- }
- if (devc->model->modelid <= LPS_303) /* Only first setting possible for smaller models. */
- break;
- }
- if (!found) {
- return SR_ERR_ARG;
- }
- break;
- default:
- return SR_ERR_NA;
- }
- } else {
- /* Channel group specified: per-channel options. */
- /* We only ever have one channel per channel group in this driver. */
- ch = cg->channels->data;
- ch_idx = ch->index;
-
- switch (key) {
- case SR_CONF_OUTPUT_VOLTAGE_MAX:
- dval = g_variant_get_double(data);
- if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1])
- return SR_ERR_ARG;
- if (ch_idx == 2) {
- if (devc->model->modelid < LPS_304)
- return SR_ERR_ARG;
-
- if (fabs(dval - 5.000) <= 0.001)
- dval = 5.0;
- else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001))
- dval = 3.3;
- else return SR_ERR_ARG;
- }
-
- devc->channel_status[ch_idx].output_voltage_max = dval;
- if (ch_idx == 2)
- return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval));
- else
- return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval);
- break;
- case SR_CONF_OUTPUT_CURRENT_MAX:
- dval = g_variant_get_double(data);
- if (dval < 0 || dval > devc->model->channels[ch_idx].current[1])
- return SR_ERR_ARG;
- if (ch_idx == 2) /* No current setting for CH3. */
- return SR_ERR_NA;
- devc->channel_status[ch_idx].output_current_max = dval;
- return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval);
- break;
- case SR_CONF_OUTPUT_ENABLED:
- bval = g_variant_get_boolean(data);
- if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */
- break;
- devc->channel_status[ch_idx].output_enabled = bval;
- if (ch_idx != 2) { /* Channels 1,2 can be set only together. */
- devc->channel_status[ch_idx^1].output_enabled = bval;
- return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval);
- } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */
- if (bval)
- return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max);
- else
- return lps_cmd_ok(sdi->conn, "VDD0");
- }
- 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)
-{
- struct dev_context *devc;
- struct sr_channel *ch;
- int ch_idx, i;
- GVariant *gvar;
- GVariantBuilder gvb;
-
- (void)data;
-
- /* Driver options, no device instance necessary. */
- switch (key) {
- case SR_CONF_SCAN_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
- return SR_OK;
- default:
- if (sdi == NULL)
- return SR_ERR_ARG;
-
- devc = sdi->priv;
- }
-
- /* Device options, independant from channel groups. */
- if (cg == NULL) {
- switch (key) {
- case SR_CONF_DEVICE_OPTIONS:
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
- return SR_OK;
- case SR_CONF_OUTPUT_CHANNEL:
- if (devc->model->modelid <= LPS_303) {
- /* The 1-channel models. */
- *data = g_variant_new_strv(channel_modes, 1);
- } else {
- /* The other models support all modes. */
- *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes));
- }
- return SR_OK;
- break;
- default:
- return SR_ERR_NA;
- }
- }
-
- /* Device options, depending on channel groups. */
- ch = cg->channels->data;
- ch_idx = ch->index;
- switch (key) {
- case SR_CONF_DEVICE_OPTIONS:
- if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps_ch12, ARRAY_SIZE(hwcaps_ch12), sizeof(int32_t));
- else /* Must be CH3 */
- *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
- hwcaps_ch3, ARRAY_SIZE(hwcaps_ch3), sizeof(int32_t));
- break;
- case SR_CONF_OUTPUT_VOLTAGE_MAX:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- /* Min, max, step. */
- for (i = 0; i < 3; i++) {
- gvar = g_variant_new_double(devc->model->channels[ch_idx].voltage[i]);
- g_variant_builder_add_value(&gvb, gvar);
- }
- *data = g_variant_builder_end(&gvb);
- break;
- case SR_CONF_OUTPUT_CURRENT_MAX:
- g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
- /* Min, max, step. */
- for (i = 0; i < 3; i++) {
- gvar = g_variant_new_double(devc->model->channels[ch_idx].current[i]);
- g_variant_builder_add_value(&gvb, gvar);
- }
- *data = g_variant_builder_end(&gvb);
- 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->status != SR_ST_ACTIVE)
- return SR_ERR_DEV_CLOSED;
-
- devc = sdi->priv;
-
- devc->acq_running = TRUE;
-
- serial = sdi->conn;
- serial_source_add(sdi->session, serial, G_IO_IN, 50,
- motech_lps_30x_receive_data, (void *)sdi);
- std_session_send_df_header(cb_data, LOG_PREFIX);
-
- /* Start timer, if required. */
- if (devc->limit_msec)
- g_timer_start(devc->elapsed_msec);
-
- devc->acq_req = AQ_NONE;
- /* Do not start polling device here, the read function will do it in 50 ms. */
-
- 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, std_serial_dev_close,
- sdi->conn, LOG_PREFIX);
-}
-
-SR_PRIV struct sr_dev_driver motech_lps_301_driver_info = {
- .name = "motech-lps-301",
- .longname = "Motech LPS-301",
- .api_version = 1,
- .init = init_lps301,
- .cleanup = cleanup,
- .scan = scan_lps301,
- .dev_list = dev_list_lps301,
- .dev_clear = dev_clear_lps301,
- .config_get = config_get,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = std_serial_dev_open,
- .dev_close = std_serial_dev_close,
- .dev_acquisition_start = dev_acquisition_start,
- .dev_acquisition_stop = dev_acquisition_stop,
- .priv = NULL,
-};
projects / libsigrok.git / blobdiff