#define LOGIC_BUFSIZE 4096
/* Size of the analog pattern space per channel. */
#define ANALOG_BUFSIZE 4096
+/* This is a development feature: it starts a new frame every n samples. */
+#define SAMPLES_PER_FRAME 0
-/* Private, per-device-instance driver context. */
struct dev_context {
uint64_t cur_samplerate;
uint64_t limit_samples;
GHashTable *ch_ag;
gboolean avg; /* True if averaging is enabled */
uint64_t avg_samples;
+ size_t enabled_logic_channels;
+ size_t enabled_analog_channels;
+ size_t first_partial_logic_index;
+ uint8_t first_partial_logic_mask;
};
/* Logic patterns we can generate. */
*/
PATTERN_INC,
+ /**
+ * Single bit "walking" across all logic channels by being
+ * shifted across data lines, restarting after the last line
+ * was used. An all-zero (all-one) state is inserted to prevent
+ * repetitive patterns (e.g. with 8 data lines, every 8th state
+ * would show the same line state)
+ */
+ PATTERN_WALKING_ONE,
+ PATTERN_WALKING_ZERO,
+
/** All channels have a low logic state. */
PATTERN_ALL_LOW,
/* Analog patterns we can generate. */
enum {
- /**
- * Square wave.
- */
PATTERN_SQUARE,
PATTERN_SINE,
PATTERN_TRIANGLE,
};
struct analog_gen {
+ struct sr_channel *ch;
int pattern;
float amplitude;
float pattern_data[ANALOG_BUFSIZE];