]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/norma-dmm/api.c
drivers: Provide proper drvopts.
[libsigrok.git] / src / hardware / norma-dmm / api.c
index deefceaebac6f9623281733ad0d388314a1911a2..96d69b12f1e07dfbd1c99917ef66b20a8b79ae47 100644 (file)
@@ -22,6 +22,7 @@
  *  @internal
  */
 
+#include <config.h>
 #include "protocol.h"
 
 static const uint32_t scanopts[] = {
@@ -29,8 +30,11 @@ static const uint32_t scanopts[] = {
        SR_CONF_SERIALCOMM,
 };
 
-static const uint32_t devopts[] = {
+static const uint32_t drvopts[] = {
        SR_CONF_MULTIMETER,
+};
+
+static const uint32_t devopts[] = {
        SR_CONF_CONTINUOUS,
        SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
        SR_CONF_LIMIT_MSEC | SR_CONF_SET,
@@ -40,60 +44,43 @@ static const uint32_t devopts[] = {
 
 #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 struct sr_dev_driver norma_dmm_driver_info;
+static struct sr_dev_driver siemens_b102x_driver_info;
 
-static const char* get_brandstr(struct sr_dev_driver* drv)
+static const char *get_brandstr(struct sr_dev_driver *drv)
 {
-       if (drv == &norma_dmm_driver_info)
-               return "Norma";
-       else
-               return "Siemens";
+       return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens";
 }
 
-static const char* get_typestr(int type, struct sr_dev_driver* drv)
+static const char *get_typestr(int type, struct sr_dev_driver *drv)
 {
-       static const charnameref[5][2] = {
+       static const char *nameref[5][2] = {
                {"DM910", "B1024"},
                {"DM920", "B1025"},
                {"DM930", "B1026"},
                {"DM940", "B1027"},
-               {"DM950", "B1028"}};
+               {"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);
+       return nameref[type - 1][(drv == &siemens_b102x_driver_info)];
 }
 
-static GSList *do_scan(struct sr_dev_driver* drv, GSList *options)
+static GSList *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;
+       int len, cnt, auxtype;
        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) {
@@ -112,24 +99,21 @@ static GSList *do_scan(struct sr_dev_driver* drv, GSList *options)
        if (!serialcomm)
                serialcomm = SERIALCOMM;
 
-       if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
-               return NULL;
+       serial = sr_serial_dev_inst_new(conn, serialcomm);
 
-       if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
+       if (serial_open(serial, SERIAL_RDWR) != SR_OK)
                return NULL;
 
        serial_flush(serial);
 
-       if (!(buf = g_try_malloc(BUF_MAX))) {
-               sr_err("Serial buffer malloc failed.");
-               return NULL;
-       }
+       buf = g_malloc(BUF_MAX);
 
        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_blocking(serial, req, strlen(req)) < 0) {
+               if (serial_write_blocking(serial, req, strlen(req),
+                               serial_timeout(serial, strlen(req))) < 0) {
                        sr_err("Unable to send identification request.");
                        return NULL;
                }
@@ -139,30 +123,22 @@ static GSList *do_scan(struct sr_dev_driver* drv, GSList *options)
                        continue;
                buf[BUF_MAX - 1] = '\0';
 
-               /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950) */
+               /* 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;
-                       }
+                       sdi = g_malloc0(sizeof(struct sr_dev_inst));
+                       sdi->status = SR_ST_INACTIVE;
+                       sdi->vendor = g_strdup(get_brandstr(drv));
+                       sdi->model = g_strdup(get_typestr(auxtype, drv));
+                       sdi->version = g_strdup(buf + 9);
+                       devc = g_malloc0(sizeof(struct dev_context));
+                       sr_sw_limits_init(&devc->limits);
                        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);
+                       sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
                        devices = g_slist_append(devices, sdi);
                        break;
                }
@@ -185,53 +161,7 @@ static GSList *do_scan(struct sr_dev_driver* drv, GSList *options)
        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);
+       return std_scan_complete(drv, devices);
 }
 
 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
@@ -241,78 +171,26 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 
        (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;
-       }
+       devc = sdi->priv;
 
-       return SR_OK;
+       return sr_sw_limits_config_set(&devc->limits, key, data);
 }
 
 static int config_list(uint32_t 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_UINT32,
-                               scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
-               break;
-       case SR_CONF_DEVICE_OPTIONS:
-               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
-                               devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
-               break;
-       default:
-               return SR_ERR_NA;
-       }
-
-       return SR_OK;
+       return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 }
 
-static int dev_acquisition_start(const struct sr_dev_inst *sdi,
-                                   void *cb_data)
+static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 {
        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);
+       devc = sdi->priv;
 
-       /* Start timer, if required. */
-       if (devc->limit_msec)
-               g_timer_start(devc->elapsed_msec);
+       sr_sw_limits_acquisition_start(&devc->limits);
+       std_session_send_df_header(sdi);
 
        /* Poll every 100ms, or whenever some data comes in. */
        serial = sdi->conn;
@@ -322,53 +200,42 @@ static int dev_acquisition_start(const struct sr_dev_inst *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 = {
+static 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,
+       .init = std_init,
+       .cleanup = std_cleanup,
+       .scan = scan,
+       .dev_list = std_dev_list,
+       .dev_clear = std_dev_clear,
        .config_get = NULL,
        .config_set = config_set,
        .config_list = config_list,
        .dev_open = std_serial_dev_open,
-       .dev_close = dev_close,
+       .dev_close = std_serial_dev_close,
        .dev_acquisition_start = dev_acquisition_start,
-       .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .dev_acquisition_stop = std_serial_dev_acquisition_stop,
+       .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(norma_dmm_driver_info);
 
-
-SR_PRIV struct sr_dev_driver siemens_b102x_driver_info = {
+static 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,
+       .init = std_init,
+       .cleanup = std_cleanup,
+       .scan = scan,
+       .dev_list = std_dev_list,
+       .dev_clear = std_dev_clear,
        .config_get = NULL,
        .config_set = config_set,
        .config_list = config_list,
        .dev_open = std_serial_dev_open,
-       .dev_close = dev_close,
+       .dev_close = std_serial_dev_close,
        .dev_acquisition_start = dev_acquisition_start,
-       .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
+       .dev_acquisition_stop = std_serial_dev_acquisition_stop,
+       .context = NULL,
 };
+SR_REGISTER_DEV_DRIVER(siemens_b102x_driver_info);