testo: Initial driver skeleton.

[libsigrok.git] / hardware / asix-sigma / asix-sigma.h

diff --git a/hardware/asix-sigma/asix-sigma.h b/hardware/asix-sigma/asix-sigma.h
index 193306435db37dfe82dd96990e3e633ebf1f9acf..4c9deff68bf480ddbf859fe8eb5c3bd747bad115 100644 (file)
--- 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;