/*
- * 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 *adi = &asix_sigma_driver_info;
-static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data);
+static struct sr_dev_driver *di = &asix_sigma_driver_info;
+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),
SR_MHZ(50),
SR_MHZ(100),
SR_MHZ(200),
- 0,
};
/*
* (the cable has two additional GND pins, and a TI and TO pin)
*/
static const char *probe_names[NUM_PROBES + 1] = {
- "1",
- "2",
- "3",
- "4",
- "5",
- "6",
- "7",
- "8",
- "9",
- "10",
- "11",
- "12",
- "13",
- "14",
- "15",
- "16",
+ "1", "2", "3", "4", "5", "6", "7", "8",
+ "9", "10", "11", "12", "13", "14", "15", "16",
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. */
};
/* Prepare to upload firmware (FPGA specific). */
-static uint8_t init[] = {
+static uint8_t init_array[] = {
0x03, 0x03, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
};
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 = adi->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(void)
+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;
- }
- adi->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;
int ret, i;
(void)options;
- drvc = adi->priv;
+
+ drvc = di->priv;
+
devices = NULL;
- clear_instances();
if (!(devc = g_try_malloc(sizeof(struct dev_context)))) {
sr_err("%s: devc malloc failed", __func__);
sr_err("%s: sdi was NULL", __func__);
goto free;
}
- sdi->driver = adi;
+ sdi->driver = di;
for (i = 0; probe_names[i]; i++) {
- if (!(probe = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
+ if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
probe_names[i])))
return NULL;
sdi->probes = g_slist_append(sdi->probes, probe);
return NULL;
}
-static GSList *hw_dev_list(void)
+static GSList *dev_list(void)
{
- struct drv_context *drvc;
-
- drvc = adi->priv;
-
- return drvc->instances;
+ return ((struct drv_context *)(di->priv))->instances;
}
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);
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;
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)) {
}
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;
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)
return SR_OK;
}
-static int hw_cleanup(void)
+static int cleanup(void)
{
- if (!adi->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)
{
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:
+ 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)
{
struct dev_context *devc;
int ret;
+ 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)
+{
+ GVariant *gvar;
+ GVariantBuilder gvb;
+
+ (void)sdi;
+
+ 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)
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;
}
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;
}
/* 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);
}
}
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];
if (running_msec < devc->limit_msec && numchunks < 32767)
return TRUE; /* While capturing... */
else
- hw_dev_acquisition_stop(sdi, sdi);
+ dev_acquisition_stop(sdi, sdi);
+
+ }
- } else if (devc->state.state == SIGMA_DOWNLOAD) {
+ if (devc->state.state == SIGMA_DOWNLOAD) {
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;
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) {
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;
- /* Avoid compiler warnings. */
(void)cb_data;
sr_source_remove(0);
.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,
};