#include "libsigrok.h"
#include "libsigrok-internal.h"
-/* Message logging helpers with subsystem-specific prefix string. */
-#define LOG_PREFIX "cem-dt-885x: "
-#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
-#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
-#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
-#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
-#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
-#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
-
-#define BUF_SIZE 32
+#define LOG_PREFIX "cem-dt-885x"
+
+/* When retrieving samples from device memory, group this many
+ * together into a sigrok packet. */
+#define SAMPLES_PER_PACKET 50
+
+/* Various temporary storage, at least 8 bytes. */
+#define BUF_SIZE SAMPLES_PER_PACKET * 2
+
/* When in hold mode, force the last measurement out at this interval.
* We're using 50ms, which duplicates the non-hold 20Hz update rate. */
#define HOLD_REPEAT_INTERVAL 50 * 1000
CMD_TOGGLE_HOLD_MAX_MIN = 0x11,
CMD_TOGGLE_MEAS_RANGE = 0x88,
CMD_TOGGLE_POWER_OFF = 0x33,
+ CMD_TRANSFER_MEMORY = 0xac,
+};
+
+enum {
+ RECORD_DBA = 0xaa,
+ RECORD_DBC = 0xcc,
+ RECORD_DATA = 0xac,
+ RECORD_END = 0xdd,
};
enum {
/* Operational state */
int state;
uint64_t num_samples;
+ gboolean enable_data_source_memory;
/* Temporary state across callbacks */
void *cb_data;
ST_INIT,
ST_GET_TOKEN,
ST_GET_DATA,
- ST_GET_LOG,
+ ST_GET_LOG_HEADER,
+ ST_GET_LOG_RECORD_META,
+ ST_GET_LOG_RECORD_DATA,
};
SR_PRIV int cem_dt_885x_receive_data(int fd, int revents, void *cb_data);