]> sigrok.org Git - libsigrok.git/blobdiff - hardware/teleinfo/api.c
teleinfo: actual parser implementation
[libsigrok.git] / hardware / teleinfo / api.c
index 4d8cecf0c20d3f00d085a918ae40b1b2e4349ba8..604dec7c7b2a53bb0e0bac386696b94e61506137 100644 (file)
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <stdlib.h>
+#include <glib.h>
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
 #include "protocol.h"
 
+static const int32_t hwopts[] = {
+       SR_CONF_CONN,
+       SR_CONF_SERIALCOMM,
+};
+
+static const int32_t hwcaps[] = {
+       SR_CONF_ENERGYMETER,
+       SR_CONF_LIMIT_SAMPLES,
+       SR_CONF_LIMIT_MSEC,
+       SR_CONF_CONTINUOUS,
+};
+
 SR_PRIV struct sr_dev_driver teleinfo_driver_info;
 static struct sr_dev_driver *di = &teleinfo_driver_info;
 
@@ -30,16 +46,120 @@ static int init(struct sr_context *sr_ctx)
 static GSList *scan(GSList *options)
 {
        struct drv_context *drvc;
-       GSList *devices;
+       struct dev_context *devc;
+       struct sr_serial_dev_inst *serial;
+       struct sr_dev_inst *sdi;
+       struct sr_probe *probe;
+       GSList *devices = NULL, *l;
+       const char *conn = NULL, *serialcomm = NULL;
+       uint8_t buf[292];
+       size_t len = sizeof(buf);
+
+       for (l = options; l; l = l->next) {
+               struct sr_config *src = l->data;
+               switch (src->key) {
+               case SR_CONF_CONN:
+                       conn = g_variant_get_string(src->data, NULL);
+                       break;
+               case SR_CONF_SERIALCOMM:
+                       serialcomm = g_variant_get_string(src->data, NULL);
+                       break;
+               }
+       }
+       if (!conn)
+               return NULL;
+       if (!serialcomm)
+               serialcomm = "1200/7e1";
+
+       if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
+               return NULL;
+       if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK)
+               return NULL;
 
-       (void)options;
+       sr_info("Probing serial port %s.", conn);
 
-       devices = NULL;
        drvc = di->priv;
        drvc->instances = NULL;
+       serial_flush(serial);
+
+       /* Let's get a bit of data and see if we can find a packet. */
+       if (serial_stream_detect(serial, buf, &len, len,
+                                teleinfo_packet_valid, 3000, 1200) != SR_OK)
+               goto scan_cleanup;
+
+       sr_info("Found device on port %s.", conn);
+
+       if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "EDF", "Teleinfo", "")))
+               goto scan_cleanup;
+
+       if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
+               sr_err("Device context malloc failed.");
+               goto scan_cleanup;
+       }
+
+       devc->optarif = teleinfo_get_optarif(buf);
+
+       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, "P")))
+               goto scan_cleanup;
+       sdi->probes = g_slist_append(sdi->probes, probe);
+
+       if (devc->optarif == OPTARIF_BASE) {
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "BASE")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+       } else if (devc->optarif == OPTARIF_HC) {
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HP")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HC")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+       } else if (devc->optarif == OPTARIF_EJP) {
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HN")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HPM")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+       } else if (devc->optarif == OPTARIF_BBR) {
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HPJB")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HPJW")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HPJR")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HCJB")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HCJW")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+               if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "HCJR")))
+                       goto scan_cleanup;
+               sdi->probes = g_slist_append(sdi->probes, probe);
+       }
+
+       if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "IINST")))
+               goto scan_cleanup;
+       sdi->probes = g_slist_append(sdi->probes, probe);
 
-       /* TODO: scan for devices, either based on a SR_CONF_CONN option
-        * or on a USB scan. */
+       if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "PAPP")))
+               goto scan_cleanup;
+       sdi->probes = g_slist_append(sdi->probes, probe);
+
+       drvc->instances = g_slist_append(drvc->instances, sdi);
+       devices = g_slist_append(devices, sdi);
+
+scan_cleanup:
+       serial_close(serial);
 
        return devices;
 }
@@ -56,9 +176,10 @@ static int dev_clear(void)
 
 static int dev_open(struct sr_dev_inst *sdi)
 {
-       (void)sdi;
+       struct sr_serial_dev_inst *serial = sdi->conn;
 
-       /* TODO: get handle from sdi->conn and open it. */
+       if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK)
+               return SR_ERR;
 
        sdi->status = SR_ST_ACTIVE;
 
@@ -67,104 +188,107 @@ static int dev_open(struct sr_dev_inst *sdi)
 
 static int dev_close(struct sr_dev_inst *sdi)
 {
-       (void)sdi;
+       struct sr_serial_dev_inst *serial = sdi->conn;
 
-       /* TODO: get handle from sdi->conn and close it. */
-
-       sdi->status = SR_ST_INACTIVE;
+       if (serial && serial->fd != -1) {
+               serial_close(serial);
+               sdi->status = SR_ST_INACTIVE;
+       }
 
        return SR_OK;
 }
 
 static int cleanup(void)
 {
-       dev_clear();
-
-       /* TODO: free other driver resources, if any. */
-
-       return SR_OK;
-}
-
-static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi)
-{
-       int ret;
-
-       (void)sdi;
-       (void)data;
-
-       ret = SR_OK;
-       switch (key) {
-       /* TODO */
-       default:
-               return SR_ERR_NA;
-       }
-
-       return ret;
+       return dev_clear();
 }
 
 static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi)
 {
-       int ret;
-
-       (void)data;
+       struct dev_context *devc;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       ret = SR_OK;
+       if (!(devc = sdi->priv)) {
+               sr_err("sdi->priv was NULL.");
+               return SR_ERR_BUG;
+       }
+
        switch (key) {
-       /* TODO */
+       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_LIMIT_MSEC:
+               devc->limit_msec = g_variant_get_uint64(data);
+               sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec);
+               break;
        default:
-               ret = SR_ERR_NA;
+               return SR_ERR_NA;
        }
 
-       return ret;
+       return SR_OK;
 }
 
 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
 {
-       int ret;
-
        (void)sdi;
-       (void)data;
 
-       ret = SR_OK;
        switch (key) {
-       /* TODO */
+       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;
        }
 
-       return ret;
+       return SR_OK;
 }
 
-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, void *cb_data)
 {
-       (void)sdi;
-       (void)cb_data;
+       struct sr_serial_dev_inst *serial = sdi->conn;
+       struct dev_context *devc;
 
        if (sdi->status != SR_ST_ACTIVE)
                return SR_ERR_DEV_CLOSED;
 
-       /* TODO: configure hardware, reset acquisition state, set up
-        * callbacks and send header packet. */
+       if (!(devc = sdi->priv)) {
+               sr_err("sdi->priv was NULL.");
+               return SR_ERR_BUG;
+       }
 
-       return SR_OK;
-}
+       devc->session_cb_data = cb_data;
 
-static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
-{
-       (void)cb_data;
+       /*
+        * Reset the number of samples to take. If we've already collected our
+        * quota, but we start a new session, and don't reset this, we'll just
+        * quit without acquiring any new samples.
+        */
+       devc->num_samples = 0;
+       devc->start_time = g_get_monotonic_time();
 
-       if (sdi->status != SR_ST_ACTIVE)
-               return SR_ERR_DEV_CLOSED;
+       /* Send header packet to the session bus. */
+       std_session_send_df_header(cb_data, LOG_PREFIX);
 
-       /* TODO: stop acquisition. */
+       /* Poll every 50ms, or whenever some data comes in. */
+       sr_source_add(serial->fd, G_IO_IN, 50, teleinfo_receive_data, (void *)sdi);
 
        return SR_OK;
 }
 
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+{
+       return std_dev_acquisition_stop_serial(sdi, cb_data, dev_close,
+                                              sdi->conn, LOG_PREFIX);
+}
+
 SR_PRIV struct sr_dev_driver teleinfo_driver_info = {
        .name = "teleinfo",
        .longname = "Teleinfo",
@@ -174,12 +298,10 @@ SR_PRIV struct sr_dev_driver teleinfo_driver_info = {
        .scan = scan,
        .dev_list = dev_list,
        .dev_clear = dev_clear,
-       .config_get = config_get,
        .config_set = config_set,
        .config_list = config_list,
        .dev_open = dev_open,
        .dev_close = dev_close,
        .dev_acquisition_start = dev_acquisition_start,
        .dev_acquisition_stop = dev_acquisition_stop,
-       .priv = NULL,
 };