X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fopenbench-logic-sniffer%2Fprotocol.c;h=e6adae0ac42dd68360bec7d6767143b3e11886aa;hb=2142a79b53e7fb2d9d050c382b624820601c1bd6;hp=0a9a34a204e6bcb9e13ebc9586cd9b52e57e575b;hpb=4a34a74d738136906200a76980b00881255f3007;p=libsigrok.git

diff --git a/src/hardware/openbench-logic-sniffer/protocol.c b/src/hardware/openbench-logic-sniffer/protocol.c
index 0a9a34a2..e6adae0a 100644
--- a/src/hardware/openbench-logic-sniffer/protocol.c
+++ b/src/hardware/openbench-logic-sniffer/protocol.c
@@ -148,11 +148,36 @@ SR_PRIV struct dev_context *ols_dev_new(void)
 
 static void ols_channel_new(struct sr_dev_inst *sdi, int num_chan)
 {
+	struct dev_context *devc = sdi->priv;
 	int i;
 
 	for (i = 0; i < num_chan; i++)
 		sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
 				ols_channel_names[i]);
+
+	devc->max_channels = num_chan;
+}
+
+static void metadata_quirks(struct sr_dev_inst *sdi)
+{
+	struct dev_context *devc;
+	gboolean is_shrimp;
+
+	if (!sdi)
+		return;
+	devc = sdi->priv;
+	if (!devc)
+		return;
+
+	is_shrimp = sdi->model && strcmp(sdi->model, "Shrimp1.0") == 0;
+	if (is_shrimp) {
+		if (!devc->max_channels)
+			ols_channel_new(sdi, 4);
+		if (!devc->max_samples)
+			devc->max_samples = 256 * 1024;
+		if (!devc->max_samplerate)
+			devc->max_samplerate = SR_MHZ(20);
+	}
 }
 
 SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial)
@@ -287,6 +312,9 @@ SR_PRIV struct sr_dev_inst *get_metadata(struct sr_serial_dev_inst *serial)
 	g_string_free(devname, FALSE);
 	g_string_free(version, FALSE);
 
+	/* Optionally amend received metadata, model specific quirks. */
+	metadata_quirks(sdi);
+
 	return sdi;
 }
 
@@ -303,13 +331,11 @@ SR_PRIV int ols_set_samplerate(const struct sr_dev_inst *sdi,
 		sr_info("Enabling demux mode.");
 		devc->flag_reg |= FLAG_DEMUX;
 		devc->flag_reg &= ~FLAG_FILTER;
-		devc->max_channels = NUM_CHANNELS / 2;
 		devc->cur_samplerate_divider = (CLOCK_RATE * 2 / samplerate) - 1;
 	} else {
 		sr_info("Disabling demux mode.");
 		devc->flag_reg &= ~FLAG_DEMUX;
 		devc->flag_reg |= FLAG_FILTER;
-		devc->max_channels = NUM_CHANNELS;
 		devc->cur_samplerate_divider = (CLOCK_RATE / samplerate) - 1;
 	}