X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fdemo%2Fapi.c;h=7d3e08872d07c21b38832845a138d5cf2bd3fe80;hb=f6ce25ec05e8707ee3783b111ea13779f237c3b3;hp=a2d397365d02c981ad357210af4d69ff15ded0cc;hpb=105df67463b84683a35f3474eccc871e5aa4ed0e;p=libsigrok.git

diff --git a/src/hardware/demo/api.c b/src/hardware/demo/api.c
index a2d39736..7d3e0887 100644
--- a/src/hardware/demo/api.c
+++ b/src/hardware/demo/api.c
@@ -44,11 +44,13 @@ static const char *logic_pattern_str[] = {
 	"all-low",
 	"all-high",
 	"squid",
+	"graycode",
 };
 
 static const uint32_t scanopts[] = {
 	SR_CONF_NUM_LOGIC_CHANNELS,
 	SR_CONF_NUM_ANALOG_CHANNELS,
+	SR_CONF_LIMIT_FRAMES,
 };
 
 static const uint32_t drvopts[] = {
@@ -61,9 +63,12 @@ static const uint32_t devopts[] = {
 	SR_CONF_CONTINUOUS,
 	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
+	SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
 	SR_CONF_AVERAGING | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_AVG_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+	SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
+	SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
 };
 
 static const uint32_t devopts_cg_logic[] = {
@@ -79,6 +84,14 @@ static const uint32_t devopts_cg_analog_channel[] = {
 	SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET,
 };
 
+static const int32_t trigger_matches[] = {
+	SR_TRIGGER_ZERO,
+	SR_TRIGGER_ONE,
+	SR_TRIGGER_RISING,
+	SR_TRIGGER_FALLING,
+	SR_TRIGGER_EDGE,
+};
+
 static const uint64_t samplerates[] = {
 	SR_HZ(1),
 	SR_GHZ(1),
@@ -95,10 +108,12 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	struct analog_gen *ag;
 	GSList *l;
 	int num_logic_channels, num_analog_channels, pattern, i;
+	uint64_t limit_frames;
 	char channel_name[16];
 
 	num_logic_channels = DEFAULT_NUM_LOGIC_CHANNELS;
 	num_analog_channels = DEFAULT_NUM_ANALOG_CHANNELS;
+	limit_frames = DEFAULT_LIMIT_FRAMES;
 	for (l = options; l; l = l->next) {
 		src = l->data;
 		switch (src->key) {
@@ -108,6 +123,9 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 		case SR_CONF_NUM_ANALOG_CHANNELS:
 			num_analog_channels = g_variant_get_int32(src->data);
 			break;
+		case SR_CONF_LIMIT_FRAMES:
+			limit_frames = g_variant_get_uint64(src->data);
+			break;
 		}
 	}
 
@@ -119,8 +137,14 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	devc->cur_samplerate = SR_KHZ(200);
 	devc->num_logic_channels = num_logic_channels;
 	devc->logic_unitsize = (devc->num_logic_channels + 7) / 8;
+	devc->all_logic_channels_mask = 1UL << 0;
+	devc->all_logic_channels_mask <<= devc->num_logic_channels;
+	devc->all_logic_channels_mask--;
 	devc->logic_pattern = DEFAULT_LOGIC_PATTERN;
 	devc->num_analog_channels = num_analog_channels;
+	devc->limit_frames = limit_frames;
+	devc->capture_ratio = 20;
+	devc->stl = NULL;
 
 	if (num_logic_channels > 0) {
 		/* Logic channels, all in one channel group. */
@@ -197,8 +221,8 @@ static int dev_clear(const struct sr_dev_driver *di)
 	return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper);
 }
 
-static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
-		const struct sr_channel_group *cg)
+static int config_get(uint32_t key, GVariant **data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
 	struct sr_channel *ch;
@@ -219,6 +243,9 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 	case SR_CONF_LIMIT_MSEC:
 		*data = g_variant_new_uint64(devc->limit_msec);
 		break;
+	case SR_CONF_LIMIT_FRAMES:
+		*data = g_variant_new_uint64(devc->limit_frames);
+		break;
 	case SR_CONF_AVERAGING:
 		*data = g_variant_new_boolean(devc->avg);
 		break;
@@ -250,6 +277,9 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 		ag = g_hash_table_lookup(devc->ch_ag, ch);
 		*data = g_variant_new_double(ag->amplitude);
 		break;
+	case SR_CONF_CAPTURE_RATIO:
+		*data = g_variant_new_uint64(devc->capture_ratio);
+		break;
 	default:
 		return SR_ERR_NA;
 	}
@@ -257,16 +287,14 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 	return SR_OK;
 }
 
-static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
-		const struct sr_channel_group *cg)
+static int config_set(uint32_t key, GVariant *data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	struct dev_context *devc;
 	struct analog_gen *ag;
 	struct sr_channel *ch;
 	GSList *l;
 	int logic_pattern, analog_pattern;
-	unsigned int i;
-	const char *stropt;
 
 	devc = sdi->priv;
 
@@ -282,6 +310,9 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 		devc->limit_msec = g_variant_get_uint64(data);
 		devc->limit_samples = 0;
 		break;
+	case SR_CONF_LIMIT_FRAMES:
+		devc->limit_frames = g_variant_get_uint64(data);
+		break;
 	case SR_CONF_AVERAGING:
 		devc->avg = g_variant_get_boolean(data);
 		sr_dbg("%s averaging", devc->avg ? "Enabling" : "Disabling");
@@ -293,21 +324,9 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 	case SR_CONF_PATTERN_MODE:
 		if (!cg)
 			return SR_ERR_CHANNEL_GROUP;
-		stropt = g_variant_get_string(data, NULL);
-		logic_pattern = analog_pattern = -1;
-		for (i = 0; i < ARRAY_SIZE(logic_pattern_str); i++) {
-			if (!strcmp(stropt, logic_pattern_str[i])) {
-				logic_pattern = i;
-				break;
-			}
-		}
-		for (i = 0; i < ARRAY_SIZE(analog_pattern_str); i++) {
-			if (!strcmp(stropt, analog_pattern_str[i])) {
-				analog_pattern = i;
-				break;
-			}
-		}
-		if (logic_pattern == -1 && analog_pattern == -1)
+		logic_pattern = std_str_idx(data, ARRAY_AND_SIZE(logic_pattern_str));
+		analog_pattern = std_str_idx(data, ARRAY_AND_SIZE(analog_pattern_str));
+		if (logic_pattern < 0 && analog_pattern < 0)
 			return SR_ERR_ARG;
 		for (l = cg->channels; l; l = l->next) {
 			ch = l->data;
@@ -344,6 +363,9 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 			ag->amplitude = g_variant_get_double(data);
 		}
 		break;
+	case SR_CONF_CAPTURE_RATIO:
+		devc->capture_ratio = g_variant_get_uint64(data);
+		break;
 	default:
 		return SR_ERR_NA;
 	}
@@ -351,8 +373,8 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 	return SR_OK;
 }
 
-static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
-		const struct sr_channel_group *cg)
+static int config_list(uint32_t key, GVariant **data,
+	const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
 {
 	struct sr_channel *ch;
 
@@ -362,7 +384,10 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 		case SR_CONF_DEVICE_OPTIONS:
 			return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
 		case SR_CONF_SAMPLERATE:
-			*data = std_gvar_samplerates_steps(samplerates, ARRAY_SIZE(samplerates));
+			*data = std_gvar_samplerates_steps(ARRAY_AND_SIZE(samplerates));
+			break;
+		case SR_CONF_TRIGGER_MATCH:
+			*data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches));
 			break;
 		default:
 			return SR_ERR_NA;
@@ -372,12 +397,12 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 		switch (key) {
 		case SR_CONF_DEVICE_OPTIONS:
 			if (ch->type == SR_CHANNEL_LOGIC)
-				*data = std_gvar_array_u32(devopts_cg_logic, ARRAY_SIZE(devopts_cg_logic));
+				*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_logic));
 			else if (ch->type == SR_CHANNEL_ANALOG) {
 				if (strcmp(cg->name, "Analog") == 0)
-					*data = std_gvar_array_u32(devopts_cg_analog_group, ARRAY_SIZE(devopts_cg_analog_group));
+					*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_group));
 				else
-					*data = std_gvar_array_u32(devopts_cg_analog_channel, ARRAY_SIZE(devopts_cg_analog_channel));
+					*data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg_analog_channel));
 			}
 			else
 				return SR_ERR_BUG;
@@ -388,11 +413,9 @@ static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *
 				return SR_ERR_NA;
 
 			if (ch->type == SR_CHANNEL_LOGIC)
-				*data = g_variant_new_strv(logic_pattern_str,
-						ARRAY_SIZE(logic_pattern_str));
+				*data = g_variant_new_strv(ARRAY_AND_SIZE(logic_pattern_str));
 			else if (ch->type == SR_CHANNEL_ANALOG)
-				*data = g_variant_new_strv(analog_pattern_str,
-						ARRAY_SIZE(analog_pattern_str));
+				*data = g_variant_new_strv(ARRAY_AND_SIZE(analog_pattern_str));
 			else
 				return SR_ERR_BUG;
 			break;
@@ -413,9 +436,32 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	uint8_t mask;
 	GHashTableIter iter;
 	void *value;
+	struct sr_trigger *trigger;
 
 	devc = sdi->priv;
 	devc->sent_samples = 0;
+	devc->sent_frame_samples = 0;
+
+	/* Setup triggers */
+	if ((trigger = sr_session_trigger_get(sdi->session))) {
+		int pre_trigger_samples = 0;
+		if (devc->limit_samples > 0)
+			pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100;
+		devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples);
+		if (!devc->stl)
+			return SR_ERR_MALLOC;
+
+		/* Disable all analog channels since using them when there are logic
+		 * triggers set up would require having pre-trigger sample buffers
+		 * for analog sample data.
+		 */
+		for (l = sdi->channels; l; l = l->next) {
+			ch = l->data;
+			if (ch->type == SR_CHANNEL_ANALOG)
+				ch->enabled = FALSE;
+		}
+	}
+	devc->trigger_fired = FALSE;
 
 	/*
 	 * Determine the numbers of logic and analog channels that are
@@ -469,6 +515,9 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 	std_session_send_df_header(sdi);
 
+	if (devc->limit_frames > 0)
+		std_session_send_frame_begin(sdi);
+
 	/* We use this timestamp to decide how many more samples to send. */
 	devc->start_us = g_get_monotonic_time();
 	devc->spent_us = 0;
@@ -479,9 +528,21 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 
 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 {
+	struct dev_context *devc;
+
 	sr_session_source_remove(sdi->session, -1);
+
+	devc = sdi->priv;
+	if (devc->limit_frames > 0)
+		std_session_send_frame_end(sdi);
+
 	std_session_send_df_end(sdi);
 
+	if (devc->stl) {
+		soft_trigger_logic_free(devc->stl);
+		devc->stl = NULL;
+	}
+
 	return SR_OK;
 }