]> sigrok.org Git - libsigrok.git/blobdiff - hardware/zeroplus-logic-cube/api.c
zeroplus: Use std_dev_clear().
[libsigrok.git] / hardware / zeroplus-logic-cube / api.c
index eca4bea483cf530df2217762c9506bf436ef0f6d..13c649df652730fb823fe241367889977118c1dd 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 Bert Vermeulen <bert@biot.com>
  *
@@ -42,6 +42,7 @@ struct zp_model {
  * same 128K sample depth.
  */
 static const struct zp_model zeroplus_models[] = {
+       {0x0c12, 0x7002, "LAP-16128U",    16, 128,  200},
        {0x0c12, 0x7009, "LAP-C(16064)",  16, 64,   100},
        {0x0c12, 0x700a, "LAP-C(16128)",  16, 128,  200},
        /* TODO: We don't know anything about these.
@@ -210,33 +211,38 @@ static int configure_probes(const struct sr_dev_inst *sdi)
        return SR_OK;
 }
 
-static int clear_instances(void)
+SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate)
 {
-       GSList *l;
-       struct sr_dev_inst *sdi;
-       struct drv_context *drvc;
-       struct dev_context *devc;
+       int i;
 
-       drvc = di->priv;
-       for (l = drvc->instances; l; l = l->next) {
-               sdi = l->data;
-               if (!(devc = sdi->priv)) {
-                       /* Log error, but continue cleaning up the rest. */
-                       sr_err("%s: sdi->priv was NULL, continuing", __func__);
-                       continue;
-               }
-               sr_usb_dev_inst_free(devc->usb);
-               /* Properly close all devices... */
-               hw_dev_close(sdi);
-               /* ...and free all their memory. */
-               sr_dev_inst_free(sdi);
+       for (i = 0; ARRAY_SIZE(samplerates_200); i++)
+               if (samplerate == samplerates_200[i])
+                       break;
+
+       if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) {
+               sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate);
+               return SR_ERR_ARG;
        }
-       g_slist_free(drvc->instances);
-       drvc->instances = NULL;
+
+       sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate);
+
+       if (samplerate >= SR_MHZ(1))
+               analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ);
+       else if (samplerate >= SR_KHZ(1))
+               analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ);
+       else
+               analyzer_set_freq(samplerate, FREQ_SCALE_HZ);
+
+       devc->cur_samplerate = samplerate;
 
        return SR_OK;
 }
 
+static int clear_instances(void)
+{
+       return std_dev_clear(di, NULL);
+}
+
 static int hw_init(struct sr_context *sr_ctx)
 {
        return std_hw_init(sr_ctx, di, "zeroplus: ");
@@ -260,8 +266,6 @@ static GSList *hw_scan(GSList *options)
 
        devices = NULL;
 
-       clear_instances();
-
        /* Find all ZEROPLUS analyzers and add them to device list. */
        devcnt = 0;
        libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */
@@ -324,7 +328,7 @@ static GSList *hw_scan(GSList *options)
 
                devices = g_slist_append(devices, sdi);
                drvc->instances = g_slist_append(drvc->instances, sdi);
-               devc->usb = sr_usb_dev_inst_new(
+               sdi->conn = sr_usb_dev_inst_new(
                        libusb_get_bus_number(devlist[i]),
                        libusb_get_device_address(devlist[i]), NULL);
                devcnt++;
@@ -344,11 +348,13 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        struct drv_context *drvc;
+       struct sr_usb_dev_inst *usb;
        libusb_device **devlist, *dev;
        struct libusb_device_descriptor des;
        int device_count, ret, i;
 
        drvc = di->priv;
+       usb = sdi->conn;
 
        if (!(devc = sdi->priv)) {
                sr_err("%s: sdi->priv was NULL", __func__);
@@ -369,36 +375,35 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
                               libusb_error_name(ret));
                        continue;
                }
-               if (libusb_get_bus_number(devlist[i]) == devc->usb->bus
-                   && libusb_get_device_address(devlist[i]) == devc->usb->address) {
+               if (libusb_get_bus_number(devlist[i]) == usb->bus
+                   && libusb_get_device_address(devlist[i]) == usb->address) {
                        dev = devlist[i];
                        break;
                }
        }
        if (!dev) {
                sr_err("Device on bus %d address %d disappeared!",
-                      devc->usb->bus, devc->usb->address);
+                      usb->bus, usb->address);
                return SR_ERR;
        }
 
-       if (!(ret = libusb_open(dev, &(devc->usb->devhdl)))) {
+       if (!(ret = libusb_open(dev, &(usb->devhdl)))) {
                sdi->status = SR_ST_ACTIVE;
                sr_info("Opened device %d on %d.%d interface %d.",
-                       sdi->index, devc->usb->bus,
-                       devc->usb->address, USB_INTERFACE);
+                       sdi->index, usb->bus, usb->address, USB_INTERFACE);
        } else {
                sr_err("Failed to open device: %s.", libusb_error_name(ret));
                return SR_ERR;
        }
 
-       ret = libusb_set_configuration(devc->usb->devhdl, USB_CONFIGURATION);
+       ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION);
        if (ret < 0) {
                sr_err("Unable to set USB configuration %d: %s.",
                       USB_CONFIGURATION, libusb_error_name(ret));
                return SR_ERR;
        }
 
-       ret = libusb_claim_interface(devc->usb->devhdl, USB_INTERFACE);
+       ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE);
        if (ret != 0) {
                sr_err("Unable to claim interface: %s.",
                       libusb_error_name(ret));
@@ -406,11 +411,11 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
        }
 
        /* Set default configuration after power on. */
-       if (analyzer_read_status(devc->usb->devhdl) == 0)
-               analyzer_configure(devc->usb->devhdl);
+       if (analyzer_read_status(usb->devhdl) == 0)
+               analyzer_configure(usb->devhdl);
 
-       analyzer_reset(devc->usb->devhdl);
-       analyzer_initialize(devc->usb->devhdl);
+       analyzer_reset(usb->devhdl);
+       analyzer_initialize(usb->devhdl);
 
        //analyzer_set_memory_size(MEMORY_SIZE_512K);
        // analyzer_set_freq(g_freq, g_freq_scale);
@@ -438,19 +443,19 @@ static int hw_dev_open(struct sr_dev_inst *sdi)
 
 static int hw_dev_close(struct sr_dev_inst *sdi)
 {
-       struct dev_context *devc;
+       struct sr_usb_dev_inst *usb;
 
-       devc = sdi->priv;
+       usb = sdi->conn;
 
-       if (!devc->usb->devhdl)
+       if (!usb->devhdl)
                return SR_ERR;
 
        sr_info("Closing device %d on %d.%d interface %d.", sdi->index,
-               devc->usb->bus, devc->usb->address, USB_INTERFACE);
-       libusb_release_interface(devc->usb->devhdl, USB_INTERFACE);
-       libusb_reset_device(devc->usb->devhdl);
-       libusb_close(devc->usb->devhdl);
-       devc->usb->devhdl = NULL;
+               usb->bus, usb->address, USB_INTERFACE);
+       libusb_release_interface(usb->devhdl, USB_INTERFACE);
+       libusb_reset_device(usb->devhdl);
+       libusb_close(usb->devhdl);
+       usb->devhdl = NULL;
        sdi->status = SR_ST_INACTIVE;
 
        return SR_OK;
@@ -458,14 +463,7 @@ static int hw_dev_close(struct sr_dev_inst *sdi)
 
 static int hw_cleanup(void)
 {
-       struct drv_context *drvc;
-
-       if (!(drvc = di->priv))
-               return SR_OK;
-
-       clear_instances();
-
-       return SR_OK;
+       return clear_instances();
 }
 
 static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
@@ -483,7 +481,7 @@ static int config_get(int id, GVariant **data, const struct sr_dev_inst *sdi)
                        return SR_ERR;
                break;
        default:
-               return SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
        return SR_OK;
@@ -493,10 +491,8 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
 
-       if (!sdi) {
-               sr_err("%s: sdi was NULL", __func__);
-               return SR_ERR_ARG;
-       }
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
 
        if (!(devc = sdi->priv)) {
                sr_err("%s: sdi->priv was NULL", __func__);
@@ -511,7 +507,7 @@ static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
        case SR_CONF_CAPTURE_RATIO:
                return set_capture_ratio(devc, g_variant_get_uint64(data));
        default:
-               return SR_ERR;
+               return SR_ERR_NA;
        }
 
        return SR_OK;
@@ -551,7 +547,7 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
                *data = g_variant_new_string(TRIGGER_TYPE);
                break;
        default:
-               return SR_ERR_ARG;
+               return SR_ERR_NA;
        }
 
        return SR_OK;
@@ -560,13 +556,17 @@ static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                void *cb_data)
 {
+       struct dev_context *devc;
+       struct sr_usb_dev_inst *usb;
        struct sr_datafeed_packet packet;
        struct sr_datafeed_logic logic;
        //uint64_t samples_read;
        int res;
        unsigned int packet_num, n;
        unsigned char *buf;
-       struct dev_context *devc;
+
+       if (sdi->status != SR_ST_ACTIVE)
+               return SR_ERR_DEV_CLOSED;
 
        if (!(devc = sdi->priv)) {
                sr_err("%s: sdi->priv was NULL", __func__);
@@ -578,24 +578,26 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                return SR_ERR;
        }
 
+       usb = sdi->conn;
+
        set_triggerbar(devc);
 
        /* Push configured settings to device. */
-       analyzer_configure(devc->usb->devhdl);
+       analyzer_configure(usb->devhdl);
 
-       analyzer_start(devc->usb->devhdl);
+       analyzer_start(usb->devhdl);
        sr_info("Waiting for data.");
-       analyzer_wait_data(devc->usb->devhdl);
+       analyzer_wait_data(usb->devhdl);
 
        sr_info("Stop address    = 0x%x.",
-               analyzer_get_stop_address(devc->usb->devhdl));
+               analyzer_get_stop_address(usb->devhdl));
        sr_info("Now address     = 0x%x.",
-               analyzer_get_now_address(devc->usb->devhdl));
+               analyzer_get_now_address(usb->devhdl));
        sr_info("Trigger address = 0x%x.",
-               analyzer_get_trigger_address(devc->usb->devhdl));
+               analyzer_get_trigger_address(usb->devhdl));
 
        /* Send header packet to the session bus. */
-       std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
+       std_session_send_df_header(cb_data, LOG_PREFIX);
 
        if (!(buf = g_try_malloc(PACKET_SIZE))) {
                sr_err("Packet buffer malloc failed.");
@@ -603,13 +605,13 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
        }
 
        //samples_read = 0;
-       analyzer_read_start(devc->usb->devhdl);
+       analyzer_read_start(usb->devhdl);
        /* Send the incoming transfer to the session bus. */
        n = get_memory_size(devc->memory_size);
        if (devc->max_memory_size * 4 < n)
                n = devc->max_memory_size * 4;
        for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) {
-               res = analyzer_read_data(devc->usb->devhdl, buf, PACKET_SIZE);
+               res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE);
                sr_info("Tried to read %d bytes, actually read %d bytes.",
                        PACKET_SIZE, res);
 
@@ -621,7 +623,7 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
                sr_session_send(cb_data, &packet);
                //samples_read += res / 4;
        }
-       analyzer_read_stop(devc->usb->devhdl);
+       analyzer_read_stop(usb->devhdl);
        g_free(buf);
 
        packet.type = SR_DF_END;
@@ -633,8 +635,9 @@ static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
 /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */
 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
 {
-       struct sr_datafeed_packet packet;
        struct dev_context *devc;
+       struct sr_usb_dev_inst *usb;
+       struct sr_datafeed_packet packet;
 
        packet.type = SR_DF_END;
        sr_session_send(cb_data, &packet);
@@ -644,7 +647,8 @@ static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
                return SR_ERR_BUG;
        }
 
-       analyzer_reset(devc->usb->devhdl);
+       usb = sdi->conn;
+       analyzer_reset(usb->devhdl);
        /* TODO: Need to cancel and free any queued up transfers. */
 
        return SR_OK;