/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
- * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
+ * Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info;
SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info;
-static struct sr_dev_driver *di_ut61d = &uni_t_ut61d_driver_info;
-static struct sr_dev_driver *di_vc820 = &voltcraft_vc820_driver_info;
-
-/* After hw_init() this will point to a device-specific entry (see above). */
-static struct sr_dev_driver *di = NULL;
+SR_PRIV struct dmm_info udmms[] = {
+ {
+ "UNI-T", "UT61D", 19230,
+ FS9922_PACKET_SIZE, NULL,
+ sr_fs9922_packet_valid, sr_fs9922_parse,
+ NULL,
+ &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D,
+ },
+ {
+ "Voltcraft", "VC-820", 2400,
+ FS9721_PACKET_SIZE, NULL,
+ sr_fs9721_packet_valid, sr_fs9721_parse,
+ NULL,
+ &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820,
+ },
+};
-static int clear_instances(void)
+static int clear_instances(int dmm)
{
+ (void)dmm;
+
/* TODO: Use common code later. */
return SR_OK;
static int hw_init(struct sr_context *sr_ctx, int dmm)
{
- if (dmm == UNI_T_UT61D)
- di = di_ut61d;
- else if (dmm == VOLTCRAFT_VC820)
- di = di_vc820;
- sr_dbg("Selected '%s' subdriver.", di->name);
-
- return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
-}
+ sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name);
-static int hw_init_ut61d(struct sr_context *sr_ctx)
-{
- return hw_init(sr_ctx, UNI_T_UT61D);
-}
-
-static int hw_init_vc820(struct sr_context *sr_ctx)
-{
- return hw_init(sr_ctx, VOLTCRAFT_VC820);
+ return std_hw_init(sr_ctx, udmms[dmm].di, DRIVER_LOG_DOMAIN);
}
-static GSList *hw_scan(GSList *options)
+static GSList *hw_scan(GSList *options, int dmm)
{
GSList *usb_devices, *devices, *l;
struct sr_dev_inst *sdi;
struct sr_probe *probe;
const char *conn;
- (void)options;
-
- drvc = di->priv;
-
- /* USB scan is always authoritative. */
- clear_instances();
+ drvc = udmms[dmm].di->priv;
conn = NULL;
for (l = options; l; l = l->next) {
return NULL;
}
+ devc->first_run = TRUE;
+
if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE,
- di->longname, NULL, NULL))) {
+ udmms[dmm].vendor, udmms[dmm].device, NULL))) {
sr_err("sr_dev_inst_new returned NULL.");
return NULL;
}
sdi->priv = devc;
- sdi->driver = di;
+ sdi->driver = udmms[dmm].di;
if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
return devices;
}
-static GSList *hw_dev_list(void)
+static GSList *hw_dev_list(int dmm)
{
- return ((struct drv_context *)(di->priv))->instances;
+ return ((struct drv_context *)(udmms[dmm].di->priv))->instances;
}
-static int hw_dev_open(struct sr_dev_inst *sdi)
+static int hw_dev_open(struct sr_dev_inst *sdi, int dmm)
{
struct drv_context *drvc;
struct dev_context *devc;
+ int ret;
- drvc = di->priv;
+ drvc = udmms[dmm].di->priv;
devc = sdi->priv;
- return sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb);
+ if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb)) == SR_OK)
+ sdi->status = SR_ST_ACTIVE;
+
+ return ret;
}
static int hw_dev_close(struct sr_dev_inst *sdi)
/* TODO */
+ sdi->status = SR_ST_INACTIVE;
+
return SR_OK;
}
-static int hw_cleanup(void)
+static int hw_cleanup(int dmm)
{
- clear_instances();
+ clear_instances(dmm);
return SR_OK;
}
devc->limit_samples);
break;
default:
- sr_err("Unknown capability: %d.", id);
- return SR_ERR;
- break;
+ return SR_ERR_NA;
}
return SR_OK;
static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
{
-
(void)sdi;
switch (key) {
hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
break;
default:
- return SR_ERR_ARG;
+ return SR_ERR_NA;
}
return SR_OK;
}
static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
- void *cb_data)
+ void *cb_data, int dmm)
{
struct dev_context *devc;
/* Send header packet to the session bus. */
std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
- if (!strcmp(di->name, "uni-t-ut61d")) {
- sr_source_add(0, 0, 10 /* poll_timeout */,
- uni_t_ut61d_receive_data, (void *)sdi);
- } else if (!strcmp(di->name, "voltcraft-vc820")) {
- sr_source_add(0, 0, 10 /* poll_timeout */,
- voltcraft_vc820_receive_data, (void *)sdi);
- }
+ sr_source_add(0, 0, 10 /* poll_timeout */,
+ udmms[dmm].receive_data, (void *)sdi);
return SR_OK;
}
return SR_OK;
}
-SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info = {
- .name = "uni-t-ut61d",
- .longname = "UNI-T UT61D",
- .api_version = 1,
- .init = hw_init_ut61d,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .config_get = NULL,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
+/* Driver-specific API function wrappers */
+#define HW_INIT(X) \
+static int hw_init_##X(struct sr_context *sr_ctx) { return hw_init(sr_ctx, X); }
+#define HW_CLEANUP(X) \
+static int hw_cleanup_##X(void) { return hw_cleanup(X); }
+#define HW_SCAN(X) \
+static GSList *hw_scan_##X(GSList *options) { return hw_scan(options, X); }
+#define HW_DEV_LIST(X) \
+static GSList *hw_dev_list_##X(void) { return hw_dev_list(X); }
+#define CLEAR_INSTANCES(X) \
+static int clear_instances_##X(void) { return clear_instances(X); }
+#define HW_DEV_ACQUISITION_START(X) \
+static int hw_dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \
+void *cb_data) { return hw_dev_acquisition_start(sdi, cb_data, X); }
+#define HW_DEV_OPEN(X) \
+static int hw_dev_open_##X(struct sr_dev_inst *sdi) { return hw_dev_open(sdi, X); }
+
+/* Driver structs and API function wrappers */
+#define DRV(ID, ID_UPPER, NAME, LONGNAME) \
+HW_INIT(ID_UPPER) \
+HW_CLEANUP(ID_UPPER) \
+HW_SCAN(ID_UPPER) \
+HW_DEV_LIST(ID_UPPER) \
+CLEAR_INSTANCES(ID_UPPER) \
+HW_DEV_ACQUISITION_START(ID_UPPER) \
+HW_DEV_OPEN(ID_UPPER) \
+SR_PRIV struct sr_dev_driver ID##_driver_info = { \
+ .name = NAME, \
+ .longname = LONGNAME, \
+ .api_version = 1, \
+ .init = hw_init_##ID_UPPER, \
+ .cleanup = hw_cleanup_##ID_UPPER, \
+ .scan = hw_scan_##ID_UPPER, \
+ .dev_list = hw_dev_list_##ID_UPPER, \
+ .dev_clear = clear_instances_##ID_UPPER, \
+ .config_get = NULL, \
+ .config_set = config_set, \
+ .config_list = config_list, \
+ .dev_open = hw_dev_open_##ID_UPPER, \
+ .dev_close = hw_dev_close, \
+ .dev_acquisition_start = hw_dev_acquisition_start_##ID_UPPER, \
+ .dev_acquisition_stop = hw_dev_acquisition_stop, \
+ .priv = NULL, \
};
-SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info = {
- .name = "voltcraft-vc820",
- .longname = "Voltcraft VC-820",
- .api_version = 1,
- .init = hw_init_vc820,
- .cleanup = hw_cleanup,
- .scan = hw_scan,
- .dev_list = hw_dev_list,
- .dev_clear = clear_instances,
- .config_get = NULL,
- .config_set = config_set,
- .config_list = config_list,
- .dev_open = hw_dev_open,
- .dev_close = hw_dev_close,
- .dev_acquisition_start = hw_dev_acquisition_start,
- .dev_acquisition_stop = hw_dev_acquisition_stop,
- .priv = NULL,
-};
+DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D")
+DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820")