]> sigrok.org Git - libsigrok.git/blobdiff - hardware/asix-sigma/asix-sigma.c
probe_groups: API changes required to implement probe groups.
[libsigrok.git] / hardware / asix-sigma / asix-sigma.c
index 27a91226a9c431e8765391a6918c43d473da62cb..70a9d7731d35e50e249c213680b29e8f822fa7ab 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2010-2012 Håvard Espeland <gus@ping.uio.no>,
  * Copyright (C) 2010 Martin Stensgård <mastensg@ping.uio.no>
 #define USB_VENDOR_NAME                        "ASIX"
 #define USB_MODEL_NAME                 "SIGMA"
 #define USB_MODEL_VERSION              ""
-#define TRIGGER_TYPES                  "rf10"
+#define TRIGGER_TYPE                   "rf10"
 #define NUM_PROBES                     16
 
 SR_PRIV struct sr_dev_driver asix_sigma_driver_info;
 static struct sr_dev_driver *di = &asix_sigma_driver_info;
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
 
-static const uint64_t supported_samplerates[] = {
+static const uint64_t samplerates[] = {
        SR_KHZ(200),
        SR_KHZ(250),
        SR_KHZ(500),
@@ -55,7 +55,6 @@ static const uint64_t supported_samplerates[] = {
        SR_MHZ(50),
        SR_MHZ(100),
        SR_MHZ(200),
-       0,
 };
 
 /*
@@ -69,20 +68,11 @@ static const char *probe_names[NUM_PROBES + 1] = {
        NULL,
 };
 
-static const struct sr_samplerates samplerates = {
-       0,
-       0,
-       0,
-       supported_samplerates,
-};
-
-static const int hwcaps[] = {
-       SR_HWCAP_LOGIC_ANALYZER,
-       SR_HWCAP_SAMPLERATE,
-       SR_HWCAP_CAPTURE_RATIO,
-
-       SR_HWCAP_LIMIT_MSEC,
-       0,
+static const int32_t hwcaps[] = {
+       SR_CONF_LOGIC_ANALYZER,
+       SR_CONF_SAMPLERATE,
+       SR_CONF_CAPTURE_RATIO,
+       SR_CONF_LIMIT_MSEC,
 };
 
 /* Force the FPGA to reboot. */
@@ -91,7 +81,7 @@ static uint8_t suicide[] = {
 };
 
 /* Prepare to upload firmware (FPGA specific). */
-static uint8_t init[] = {
+static uint8_t init_array[] = {
        0x03, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
 };
 
@@ -390,49 +380,26 @@ static int bin2bitbang(const char *filename,
        return SR_OK;
 }
 
-static int clear_instances(void)
+static void clear_helper(void *priv)
 {
-       GSList *l;
-       struct sr_dev_inst *sdi;
-       struct drv_context *drvc;
        struct dev_context *devc;
 
-       drvc = di->priv;
+       devc = priv;
 
-       /* Properly close all devices. */
-       for (l = drvc->instances; l; l = l->next) {
-               if (!(sdi = l->data)) {
-                       /* Log error, but continue cleaning up the rest. */
-                       sr_err("%s: sdi was NULL, continuing", __func__);
-                       continue;
-               }
-               if (sdi->priv) {
-                       devc = sdi->priv;
-                       ftdi_free(&devc->ftdic);
-               }
-               sr_dev_inst_free(sdi);
-       }
-       g_slist_free(drvc->instances);
-       drvc->instances = NULL;
-
-       return SR_OK;
+       ftdi_deinit(&devc->ftdic);
 }
 
-static int hw_init(struct sr_context *sr_ctx)
+static int dev_clear(void)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
-               sr_err("Driver context malloc failed.");
-               return SR_ERR_MALLOC;
-       }
-       drvc->sr_ctx = sr_ctx;
-       di->priv = drvc;
+       return std_dev_clear(di, clear_helper);
+}
 
-       return SR_OK;
+static int init(struct sr_context *sr_ctx)
+{
+       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 sr_probe *probe;
@@ -447,8 +414,8 @@ static GSList *hw_scan(GSList *options)
        (void)options;
 
        drvc = di->priv;
+
        devices = NULL;
-       clear_instances();
 
        if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
                sr_err("%s: devc malloc failed", __func__);
@@ -518,13 +485,9 @@ free:
        return NULL;
 }
 
-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 upload_firmware(int firmware_idx, struct dev_context *devc)
@@ -564,7 +527,7 @@ static int upload_firmware(int firmware_idx, struct dev_context *devc)
        sigma_write(suicide, sizeof(suicide), devc);
 
        /* Prepare to upload firmware (FPGA specific). */
-       sigma_write(init, sizeof(init), devc);
+       sigma_write(init_array, sizeof(init_array), devc);
 
        ftdi_usb_purge_buffers(&devc->ftdic);
 
@@ -621,7 +584,7 @@ static int upload_firmware(int firmware_idx, struct dev_context *devc)
        return SR_OK;
 }
 
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        int ret;
@@ -645,14 +608,18 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
 
 static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate)
 {
-       int i, ret;
-       struct dev_context *devc = sdi->priv;
+       struct dev_context *devc;
+       unsigned int i;
+       int ret;
+
+       devc = sdi->priv;
+       ret = SR_OK;
 
-       for (i = 0; supported_samplerates[i]; i++) {
-               if (supported_samplerates[i] == samplerate)
+       for (i = 0; i < ARRAY_SIZE(samplerates); i++) {
+               if (samplerates[i] == samplerate)
                        break;
        }
-       if (supported_samplerates[i] == 0)
+       if (samplerates[i] == 0)
                return SR_ERR_SAMPLERATE;
 
        if (samplerate <= SR_MHZ(50)) {
@@ -669,7 +636,7 @@ static int set_samplerate(const struct sr_dev_inst *sdi, uint64_t samplerate)
        }
 
        devc->cur_samplerate = samplerate;
-       devc->period_ps = 1000000000000 / samplerate;
+       devc->period_ps = 1000000000000ULL / samplerate;
        devc->samples_per_event = 16 / devc->num_probes;
        devc->state.state = SIGMA_IDLE;
 
@@ -757,14 +724,11 @@ static int configure_probes(const struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int hw_dev_close(struct sr_dev_inst *sdi)
+static int dev_close(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
 
-       if (!(devc = sdi->priv)) {
-               sr_err("%s: sdi->priv was NULL", __func__);
-               return SR_ERR_BUG;
-       }
+       devc = sdi->priv;
 
        /* TODO */
        if (sdi->status == SR_ST_ACTIVE)
@@ -775,80 +739,98 @@ static int hw_dev_close(struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int hw_cleanup(void)
+static int cleanup(void)
 {
-       if (!di->priv)
-               return SR_OK;
-
-       clear_instances();
-
-       return SR_OK;
+       return dev_clear();
 }
 
-static int hw_info_get(int info_id, const void **data,
-                      const struct sr_dev_inst *sdi)
+static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi,
+               const struct sr_probe_group *probe_group)
 {
        struct dev_context *devc;
 
-       switch (info_id) {
-       case SR_DI_HWCAPS:
-               *data = hwcaps;
-               break;
-       case SR_DI_NUM_PROBES:
-               *data = GINT_TO_POINTER(NUM_PROBES);
-               break;
-       case SR_DI_PROBE_NAMES:
-               *data = probe_names;
-               break;
-       case SR_DI_SAMPLERATES:
-               *data = &samplerates;
-               break;
-       case SR_DI_TRIGGER_TYPES:
-               *data = (char *)TRIGGER_TYPES;
-               break;
-       case SR_DI_CUR_SAMPLERATE:
+       (void)probe_group;
+
+       switch (id) {
+       case SR_CONF_SAMPLERATE:
                if (sdi) {
                        devc = sdi->priv;
-                       *data = &devc->cur_samplerate;
+                       *data = g_variant_new_uint64(devc->cur_samplerate);
                } else
                        return SR_ERR;
                break;
        default:
-               return SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
        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, GVariant *data, const struct sr_dev_inst *sdi,
+               const struct sr_probe_group *probe_group)
 {
        struct dev_context *devc;
        int ret;
 
+       (void)probe_group;
+
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        devc = sdi->priv;
 
-       if (hwcap == SR_HWCAP_SAMPLERATE) {
-               ret = set_samplerate(sdi, *(const uint64_t *)value);
-       } else if (hwcap == SR_HWCAP_LIMIT_MSEC) {
-               devc->limit_msec = *(const uint64_t *)value;
+       if (id == SR_CONF_SAMPLERATE) {
+               ret = set_samplerate(sdi, g_variant_get_uint64(data));
+       } else if (id == SR_CONF_LIMIT_MSEC) {
+               devc->limit_msec = g_variant_get_uint64(data);
                if (devc->limit_msec > 0)
                        ret = SR_OK;
                else
                        ret = SR_ERR;
-       } else if (hwcap == SR_HWCAP_CAPTURE_RATIO) {
-               devc->capture_ratio = *(const uint64_t *)value;
+       } else if (id == SR_CONF_CAPTURE_RATIO) {
+               devc->capture_ratio = g_variant_get_uint64(data);
                if (devc->capture_ratio < 0 || devc->capture_ratio > 100)
                        ret = SR_ERR;
                else
                        ret = SR_OK;
        } else {
-               ret = SR_ERR;
+               ret = SR_ERR_NA;
        }
 
        return ret;
 }
 
+static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
+               const struct sr_probe_group *probe_group)
+{
+       GVariant *gvar;
+       GVariantBuilder gvb;
+
+       (void)sdi;
+       (void)probe_group;
+
+       switch (key) {
+       case SR_CONF_DEVICE_OPTIONS:
+               *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
+                               hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
+               break;
+       case SR_CONF_SAMPLERATE:
+               g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
+               gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
+                               ARRAY_SIZE(samplerates), sizeof(uint64_t));
+               g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar);
+               *data = g_variant_builder_end(&gvb);
+               break;
+       case SR_CONF_TRIGGER_TYPE:
+               *data = g_variant_new_string(TRIGGER_TYPE);
+               break;
+       default:
+               return SR_ERR_NA;
+       }
+
+       return SR_OK;
+}
+
 /* Software trigger to determine exact trigger position. */
 static int get_trigger_offset(uint16_t *samples, uint16_t last_sample,
                              struct sigma_trigger *t)
@@ -947,7 +929,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts,
                        logic.length = tosend * sizeof(uint16_t);
                        logic.unitsize = 2;
                        logic.data = samples + sent;
-                       sr_session_send(devc->session_dev_id, &packet);
+                       sr_session_send(devc->cb_data, &packet);
 
                        sent += tosend;
                }
@@ -990,7 +972,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts,
                                logic.length = tosend * sizeof(uint16_t);
                                logic.unitsize = 2;
                                logic.data = samples;
-                               sr_session_send(devc->session_dev_id, &packet);
+                               sr_session_send(devc->cb_data, &packet);
 
                                sent += tosend;
                        }
@@ -998,7 +980,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts,
                        /* Only send trigger if explicitly enabled. */
                        if (devc->use_triggers) {
                                packet.type = SR_DF_TRIGGER;
-                               sr_session_send(devc->session_dev_id, &packet);
+                               sr_session_send(devc->cb_data, &packet);
                        }
                }
 
@@ -1011,7 +993,7 @@ static int decode_chunk_ts(uint8_t *buf, uint16_t *lastts,
                        logic.length = tosend * sizeof(uint16_t);
                        logic.unitsize = 2;
                        logic.data = samples + sent;
-                       sr_session_send(devc->session_dev_id, &packet);
+                       sr_session_send(devc->cb_data, &packet);
                }
 
                *lastsample = samples[n - 1];
@@ -1051,7 +1033,7 @@ static int receive_data(int fd, int revents, void *cb_data)
                if (running_msec < devc->limit_msec && numchunks < 32767)
                        return TRUE; /* While capturing... */
                else
-                       hw_dev_acquisition_stop(sdi, sdi);
+                       dev_acquisition_stop(sdi, sdi);
 
        }
 
@@ -1059,7 +1041,7 @@ static int receive_data(int fd, int revents, void *cb_data)
                if (devc->state.chunks_downloaded >= numchunks) {
                        /* End of samples. */
                        packet.type = SR_DF_END;
-                       sr_session_send(devc->session_dev_id, &packet);
+                       sr_session_send(devc->cb_data, &packet);
 
                        devc->state.state = SIGMA_IDLE;
 
@@ -1269,19 +1251,18 @@ static int build_basic_trigger(struct triggerlut *lut, struct dev_context *devc)
        return SR_OK;
 }
 
-static int hw_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)
 {
        struct dev_context *devc;
-       struct sr_datafeed_packet *packet;
-       struct sr_datafeed_header *header;
-       struct sr_datafeed_meta_logic meta;
        struct clockselect_50 clockselect;
        int frac, triggerpin, ret;
-       uint8_t triggerselect;
+       uint8_t triggerselect = 0;
        struct triggerinout triggerinout_conf;
        struct triggerlut lut;
 
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
+
        devc = sdi->priv;
 
        if (configure_probes(sdi) != SR_OK) {
@@ -1367,44 +1348,20 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        gettimeofday(&devc->start_tv, 0);
        sigma_set_register(WRITE_MODE, 0x0d, devc);
 
-       devc->session_dev_id = cb_data;
-
-       if (!(packet = g_try_malloc(sizeof(struct sr_datafeed_packet)))) {
-               sr_err("%s: packet malloc failed.", __func__);
-               return SR_ERR_MALLOC;
-       }
-
-       if (!(header = g_try_malloc(sizeof(struct sr_datafeed_header)))) {
-               sr_err("%s: header malloc failed.", __func__);
-               return SR_ERR_MALLOC;
-       }
+       devc->cb_data = cb_data;
 
        /* Send header packet to the session bus. */
-       packet->type = SR_DF_HEADER;
-       packet->payload = header;
-       header->feed_version = 1;
-       gettimeofday(&header->starttime, NULL);
-       sr_session_send(devc->session_dev_id, packet);
-
-       /* Send metadata about the SR_DF_LOGIC packets to come. */
-       packet->type = SR_DF_META_LOGIC;
-       packet->payload = &meta;
-       meta.samplerate = devc->cur_samplerate;
-       meta.num_probes = devc->num_probes;
-       sr_session_send(devc->session_dev_id, packet);
+       std_session_send_df_header(cb_data, LOG_PREFIX);
 
        /* Add capture source. */
        sr_source_add(0, G_IO_IN, 10, receive_data, (void *)sdi);
 
-       g_free(header);
-       g_free(packet);
-
        devc->state.state = SIGMA_CAPTURE;
 
        return SR_OK;
 }
 
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
+static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 {
        struct dev_context *devc;
        uint8_t modestatus;
@@ -1445,16 +1402,17 @@ SR_PRIV struct sr_dev_driver asix_sigma_driver_info = {
        .name = "asix-sigma",
        .longname = "ASIX SIGMA/SIGMA2",
        .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 = 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,
 };