#define LOG_PREFIX "beaglelogic"
+/* Maximum possible input channels */
+#define NUM_CHANNELS 14
+
+#define SAMPLEUNIT_TO_BYTES(x) ((x) == 1 ? 1 : 2)
+
/** Private, per-device-instance driver context. */
struct dev_context {
/* Model-specific information */
+ int max_channels;
+ uint32_t fw_ver;
- /* Acquisition settings */
+ /* Acquisition settings: see beaglelogic.h */
+ uint64_t cur_samplerate;
+ uint64_t limit_samples;
+ uint32_t sampleunit;
+ uint32_t triggerflags;
+
+ /* Buffers: size of each buffer block and the total buffer area */
+ uint32_t bufunitsize;
+ uint32_t buffersize;
/* Operational state */
+ int fd;
+ GPollFD pollfd;
+ int last_error;
+
+ uint64_t bytes_read;
+ uint64_t sent_samples;
+ uint32_t offset;
+ uint8_t *sample_buf; /* mmap'd kernel buffer here */
- /* Temporary state across callbacks */
+ void *cb_data;
+ /* Trigger logic */
+ struct soft_trigger_logic *stl;
+ gboolean trigger_fired;
};
SR_PRIV int beaglelogic_receive_data(int fd, int revents, void *cb_data);