X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fasix-sigma%2Fasix-sigma.h;h=4c9deff68bf480ddbf859fe8eb5c3bd747bad115;hb=b5bbc3f1b00d5f3096c6800af4069fb07704d3a9;hp=528e6617a6386076518f47473b9aa3b20af89835;hpb=ba7dd8bbb8168cba432a844259a3e239aa5f36d7;p=libsigrok.git

diff --git a/hardware/asix-sigma/asix-sigma.h b/hardware/asix-sigma/asix-sigma.h
index 528e6617..4c9deff6 100644
--- a/hardware/asix-sigma/asix-sigma.h
+++ b/hardware/asix-sigma/asix-sigma.h
@@ -55,17 +55,17 @@ enum sigma_read_register {
 	READ_TEST		= 15,
 };
 
-#define REG_ADDR_LOW		(0 << 4)
-#define REG_ADDR_HIGH		(1 << 4)
-#define REG_DATA_LOW		(2 << 4)
-#define REG_DATA_HIGH_WRITE	(3 << 4)
-#define REG_READ_ADDR		(4 << 4)
-#define REG_DRAM_WAIT_ACK	(5 << 4)
+#define REG_ADDR_LOW		(0x0 << 4)
+#define REG_ADDR_HIGH		(0x1 << 4)
+#define REG_DATA_LOW		(0x2 << 4)
+#define REG_DATA_HIGH_WRITE	(0x3 << 4)
+#define REG_READ_ADDR		(0x4 << 4)
+#define REG_DRAM_WAIT_ACK	(0x5 << 4)
 
 /* Bit (1 << 4) can be low or high (double buffer / cache) */
-#define REG_DRAM_BLOCK		(6 << 4)
-#define REG_DRAM_BLOCK_BEGIN	(8 << 4)
-#define REG_DRAM_BLOCK_DATA	(10 << 4)
+#define REG_DRAM_BLOCK		(0x6 << 4)
+#define REG_DRAM_BLOCK_BEGIN	(0x8 << 4)
+#define REG_DRAM_BLOCK_DATA	(0xa << 4)
 
 #define LEDSEL0			6
 #define LEDSEL1			7
@@ -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;
@@ -167,12 +186,8 @@ struct sigma_state {
 		SIGMA_DOWNLOAD,
 	} state;
 
-	uint32_t stoppos, triggerpos;
 	uint16_t lastts;
 	uint16_t lastsample;
-
-	int triggerchunk;
-	int chunks_downloaded;
 };
 
 /* Private, per-device-instance driver context. */
@@ -184,6 +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;