/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
#include "libsigrok-internal.h"
#include "agilent-dmm.h"
-static const int hwopts[] = {
- SR_HWOPT_CONN,
- SR_HWOPT_SERIALCOMM,
- 0,
+static const int32_t hwopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
};
-static const int hwcaps[] = {
- SR_HWCAP_MULTIMETER,
- SR_HWCAP_LIMIT_SAMPLES,
- SR_HWCAP_LIMIT_MSEC,
- SR_HWCAP_CONTINUOUS,
- 0,
-};
-
-static const char *probe_names[] = {
- "Probe",
- NULL,
+static const int32_t hwcaps[] = {
+ SR_CONF_MULTIMETER,
+ SR_CONF_LIMIT_SAMPLES,
+ SR_CONF_LIMIT_MSEC,
+ SR_CONF_CONTINUOUS,
};
extern const struct agdmm_job agdmm_jobs_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", 9600, agdmm_jobs_u123x, agdmm_recvs_u123x },
- { AGILENT_U1232A, "U1232A", 9600, agdmm_jobs_u123x, agdmm_recvs_u123x },
- { AGILENT_U1233A, "U1233A", 9600, agdmm_jobs_u123x, agdmm_recvs_u123x },
- { AGILENT_U1251A, "U1251A", 9600, agdmm_jobs_u125x, agdmm_recvs_u125x },
- { AGILENT_U1252A, "U1252A", 9600, agdmm_jobs_u125x, agdmm_recvs_u125x },
- { AGILENT_U1253A, "U1253A", 9600, agdmm_jobs_u125x, agdmm_recvs_u125x },
- { 0, NULL, 0, NULL, NULL }
+ { 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)
+static int init(struct sr_context *sr_ctx)
{
- 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(void)
-{
- struct drv_context *drvc;
-
- if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
- sr_err("Driver context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- di->priv = drvc;
-
- return SR_OK;
-}
-
-/* TODO: Merge into serial_readline() from serial.c. */
-static int serial_readline2(int fd, char **buf, int *buflen, uint64_t timeout_ms)
-{
- uint64_t start;
- int maxlen, len;
-
- timeout_ms *= 1000;
- start = g_get_monotonic_time();
-
- maxlen = *buflen;
- *buflen = len = 0;
- while(1) {
- len = maxlen - *buflen - 1;
- if (len < 1)
- break;
- len = serial_read(fd, *buf + *buflen, len);
- if (len > 0) {
- *buflen += len;
- *(*buf + *buflen) = '\0';
- if (*buflen > 0 && *(*buf + *buflen - 1) == '\n')
- /* End of line */
- break;
- }
- if (g_get_monotonic_time() - start > timeout_ms)
- /* Timeout */
- break;
- g_usleep(2000);
- }
-
- /* Strip CRLF */
- while (*buflen) {
- if (*(*buf + *buflen - 1) == '\r' || *(*buf + *buflen - 1) == '\n')
- *(*buf + --*buflen) = '\0';
- else
- break;
- }
- if (*buflen)
- sr_dbg("Received '%s'.", *buf);
-
- return SR_OK;
+ return std_init(sr_ctx, di, LOG_PREFIX);
}
-static GSList *hw_scan(GSList *options)
+static GSList *scan(GSList *options)
{
struct sr_dev_inst *sdi;
struct drv_context *drvc;
struct dev_context *devc;
- struct sr_hwopt *opt;
- struct sr_probe *probe;
+ struct sr_config *src;
+ struct sr_channel *ch;
+ struct sr_serial_dev_inst *serial;
GSList *l, *devices;
- int len, fd, i;
+ int len, i;
const char *conn, *serialcomm;
char *buf, **tokens;
devices = NULL;
conn = serialcomm = NULL;
for (l = options; l; l = l->next) {
- opt = l->data;
- switch (opt->hwopt) {
- case SR_HWOPT_CONN:
- conn = opt->value;
+ src = l->data;
+ switch (src->key) {
+ case SR_CONF_CONN:
+ conn = g_variant_get_string(src->data, NULL);
break;
- case SR_HWOPT_SERIALCOMM:
- serialcomm = opt->value;
+ case SR_CONF_SERIALCOMM:
+ serialcomm = g_variant_get_string(src->data, NULL);
break;
}
}
- if (!conn || !serialcomm)
+ if (!conn)
return NULL;
+ if (!serialcomm)
+ serialcomm = SERIALCOMM;
- if ((fd = serial_open(conn, O_RDWR|O_NONBLOCK)) == -1) {
- sr_err("Unable to open %s: %s.", conn, strerror(errno));
+ if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
return NULL;
- }
- if (serial_set_paramstr(fd, serialcomm) != SR_OK) {
- sr_err("Unable to set serial parameters: %s.",
- strerror(errno));
+ if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
return NULL;
- }
- serial_flush(fd);
- if (serial_write(fd, "*IDN?\r\n", 7) == -1) {
+ serial_flush(serial);
+ if (serial_write(serial, "*IDN?\r\n", 7) == -1) {
sr_err("Unable to send identification string: %s.",
strerror(errno));
return NULL;
sr_err("Serial buffer malloc failed.");
return NULL;
}
- serial_readline2(fd, &buf, &len, 150);
+ 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]) {
+ && tokens[1] && 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],
+ if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Agilent",
tokens[1], tokens[3])))
return NULL;
if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
return NULL;
}
devc->profile = &supported_agdmm[i];
- devc->serial = sr_serial_dev_inst_new(conn, -1);
devc->cur_mq = -1;
+ sdi->inst_type = SR_INST_SERIAL;
+ sdi->conn = serial;
sdi->priv = devc;
sdi->driver = di;
- if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
+ if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
return NULL;
- sdi->probes = g_slist_append(sdi->probes, probe);
+ sdi->channels = g_slist_append(sdi->channels, ch);
drvc->instances = g_slist_append(drvc->instances, sdi);
devices = g_slist_append(devices, sdi);
break;
g_strfreev(tokens);
g_free(buf);
- serial_close(fd);
+ serial_close(serial);
+ if (!devices)
+ sr_serial_dev_inst_free(serial);
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = di->priv;
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int cleanup(void)
{
- struct dev_context *devc;
-
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
- }
-
- devc->serial->fd = serial_open(devc->serial->port, O_RDWR | O_NONBLOCK);
- if (devc->serial->fd == -1) {
- sr_err("Couldn't open serial port '%s'.",
- devc->serial->port);
- return SR_ERR;
- }
- serial_set_params(devc->serial->fd, devc->profile->serial_speed, 8,
- SERIAL_PARITY_NONE, 1, 0);
- sdi->status = SR_ST_ACTIVE;
-
- return SR_OK;
+ return std_dev_clear(di, NULL);
}
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
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->fd);
- devc->serial->fd = -1;
- 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;
+ (void)cg;
if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
+ return SR_ERR_DEV_CLOSED;
if (!(devc = sdi->priv)) {
sr_err("sdi->priv was NULL.");
return SR_ERR_BUG;
}
- switch (hwcap) {
- case SR_HWCAP_LIMIT_MSEC:
+ switch (id) {
+ case SR_CONF_LIMIT_MSEC:
/* TODO: not yet implemented */
- if (*(const uint64_t *)value == 0) {
+ if (g_variant_get_uint64(data) == 0) {
sr_err("LIMIT_MSEC can't be 0.");
return SR_ERR;
}
- devc->limit_msec = *(const uint64_t *)value;
+ devc->limit_msec = g_variant_get_uint64(data);
sr_dbg("Setting time limit to %" PRIu64 "ms.",
devc->limit_msec);
break;
- case SR_HWCAP_LIMIT_SAMPLES:
- devc->limit_samples = *(const uint64_t *)value;
+ 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:
- sr_err("Unknown capability: %d.", hwcap);
- return SR_ERR;
- break;
+ return SR_ERR_NA;
}
return SR_OK;
}
-static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+ const struct sr_channel_group *cg)
{
- struct sr_datafeed_packet packet;
- struct sr_datafeed_header header;
- struct sr_datafeed_meta_analog meta;
- struct dev_context *devc;
+ (void)sdi;
+ (void)cg;
- if (!(devc = sdi->priv)) {
- sr_err("sdi->priv was NULL.");
- return SR_ERR_BUG;
+ 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;
}
- 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);
-
- /* 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);
-
- /* 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(const struct sr_dev_inst *sdi,
- void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
{
- struct sr_datafeed_packet packet;
struct dev_context *devc;
+ struct sr_serial_dev_inst *serial;
if (sdi->status != SR_ST_ACTIVE)
- return SR_ERR;
+ return SR_ERR_DEV_CLOSED;
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);
+ devc->cb_data = cb_data;
- /* Send end packet to the session bus. */
- sr_dbg("Sending SR_DF_END.");
- packet.type = SR_DF_END;
- sr_session_send(cb_data, &packet);
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(cb_data, LOG_PREFIX);
+ /* Poll every 100ms, or whenever some data comes in. */
+ serial = sdi->conn;
+ serial_source_add(sdi->session, serial, G_IO_IN, 100,
+ agdmm_receive_data, (void *)sdi);
return SR_OK;
}
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+{
+ return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
+ sdi->conn, LOG_PREFIX);
+}
+
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,
- .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,
+ .init = init,
+ .cleanup = cleanup,
+ .scan = scan,
+ .dev_list = dev_list,
+ .dev_clear = NULL,
+ .config_get = NULL,
+ .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