X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fasix-sigma%2Fasix-sigma.h;h=4c9deff68bf480ddbf859fe8eb5c3bd747bad115;hb=0acdd79357633e90bb1a398e246ad96b39dceda9;hp=193306435db37dfe82dd96990e3e633ebf1f9acf;hpb=462fe786641df67e99d67f0f7031e7ca76430981;p=libsigrok.git

diff --git a/hardware/asix-sigma/asix-sigma.h b/hardware/asix-sigma/asix-sigma.h
index 19330643..4c9deff6 100644
--- a/hardware/asix-sigma/asix-sigma.h
+++ b/hardware/asix-sigma/asix-sigma.h
@@ -76,6 +76,25 @@ enum sigma_read_register {
 
 #define CHUNK_SIZE		1024
 
+/*
+ * The entire ASIX Sigma DRAM is an array of struct sigma_dram_line[1024];
+ */
+
+/* One "DRAM cluster" contains a timestamp and 7 samples, 16b total. */
+struct sigma_dram_cluster {
+	uint8_t		timestamp_lo;
+	uint8_t		timestamp_hi;
+	struct {
+		uint8_t	sample_hi;
+		uint8_t	sample_lo;
+	}		samples[7];
+};
+
+/* One "DRAM line" contains 64 "DRAM clusters", 1024b total. */
+struct sigma_dram_line {
+	struct sigma_dram_cluster	cluster[64];
+};
+
 struct clockselect_50 {
 	uint8_t async;
 	uint8_t fraction;
@@ -180,6 +199,7 @@ struct dev_context {
 	struct timeval start_tv;
 	int cur_firmware;
 	int num_channels;
+	int cur_channels;
 	int samples_per_event;
 	int capture_ratio;
 	struct sigma_trigger trigger;