]> sigrok.org Git - libsigrok.git/blobdiff - hardware/agilent-dmm/api.c
Add and use std_session_send_df_header().
[libsigrok.git] / hardware / agilent-dmm / api.c
index 60f271b24721f464fe4281688ac27fd72887bf0b..c0b10e0701d131a414ce99e451fafcd31d43ed4f 100644 (file)
 #include "agilent-dmm.h"
 
 static const int hwopts[] = {
-       SR_HWOPT_CONN,
-       SR_HWOPT_SERIALCOMM,
+       SR_CONF_CONN,
+       SR_CONF_SERIALCOMM,
        0,
 };
 
 static const int hwcaps[] = {
-       SR_HWCAP_MULTIMETER,
-       SR_HWCAP_LIMIT_SAMPLES,
-       SR_HWCAP_LIMIT_MSEC,
-       SR_HWCAP_CONTINUOUS,
+       SR_CONF_MULTIMETER,
+       SR_CONF_LIMIT_SAMPLES,
+       SR_CONF_LIMIT_MSEC,
+       SR_CONF_CONTINUOUS,
        0,
 };
 
-static const char *probe_names[] = {
-       "Probe",
-       NULL,
-};
-
 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", 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;
@@ -90,60 +89,9 @@ static int clear_instances(void)
        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)
+static int hw_init(struct sr_context *sr_ctx)
 {
-       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_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
 }
 
 static GSList *hw_scan(GSList *options)
@@ -151,10 +99,11 @@ static GSList *hw_scan(GSList *options)
        struct sr_dev_inst *sdi;
        struct drv_context *drvc;
        struct dev_context *devc;
-       struct sr_hwopt *opt;
+       struct sr_config *src;
        struct sr_probe *probe;
+       struct sr_serial_dev_inst *serial;
        GSList *l, *devices;
-       int len, fd, i;
+       int len, i;
        const char *conn, *serialcomm;
        char *buf, **tokens;
 
@@ -164,32 +113,29 @@ static GSList *hw_scan(GSList *options)
        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 = src->value;
                        break;
-               case SR_HWOPT_SERIALCOMM:
-                       serialcomm = opt->value;
+               case SR_CONF_SERIALCOMM:
+                       serialcomm = src->value;
                        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;
@@ -200,7 +146,7 @@ static GSList *hw_scan(GSList *options)
                sr_err("Serial buffer malloc failed.");
                return NULL;
        }
-       serial_readline2(fd, &buf, &len, 150);
+       serial_readline(serial, &buf, &len, 150);
        if (!len)
                return NULL;
 
@@ -218,7 +164,7 @@ static GSList *hw_scan(GSList *options)
                                return NULL;
                        }
                        devc->profile = &supported_agdmm[i];
-                       devc->serial = sr_serial_dev_inst_new(conn, -1);
+                       devc->serial = serial;
                        devc->cur_mq = -1;
                        sdi->priv = devc;
                        sdi->driver = di;
@@ -233,18 +179,16 @@ static GSList *hw_scan(GSList *options)
        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)
 {
-       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)
@@ -256,14 +200,9 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
                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);
+       if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
                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;
@@ -273,14 +212,10 @@ 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;
-       }
+       devc = sdi->priv;
 
        if (devc->serial && devc->serial->fd != -1) {
-               serial_close(devc->serial->fd);
-               devc->serial->fd = -1;
+               serial_close(devc->serial);
                sdi->status = SR_ST_INACTIVE;
        }
 
@@ -295,34 +230,7 @@ static int hw_cleanup(void)
        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)
+static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
 
@@ -334,8 +242,8 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
                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) {
                        sr_err("LIMIT_MSEC can't be 0.");
@@ -345,13 +253,13 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
                sr_dbg("Setting time limit to %" PRIu64 "ms.",
                       devc->limit_msec);
                break;
-       case SR_HWCAP_LIMIT_SAMPLES:
+       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.", hwcap);
+               sr_err("Unknown capability: %d.", id);
                return SR_ERR;
                break;
        }
@@ -359,12 +267,28 @@ static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
        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 sr_datafeed_meta_analog meta;
        struct dev_context *devc;
 
        if (!(devc = sdi->priv)) {
@@ -372,24 +296,10 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                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);
-
-       /* 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);
+       std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
 
        /* Poll every 100ms, or whenever some data comes in. */
        sr_source_add(devc->serial->fd, G_IO_IN, 100, agdmm_receive_data, (void *)sdi);
@@ -397,8 +307,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        return SR_OK;
 }
 
-static int hw_dev_acquisition_stop(const struct sr_dev_inst *sdi,
-               void *cb_data)
+static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 {
        struct sr_datafeed_packet packet;
        struct dev_context *devc;
@@ -434,10 +343,10 @@ SR_PRIV struct sr_dev_driver agdmm_driver_info = {
        .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,
-       .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,
        .priv = NULL,