#define LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
#include <stdint.h>
+#include <string.h>
+#include <ctype.h>
+#include <math.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"
-/* Message logging helpers with subsystem-specific prefix string. */
-#define LOG_PREFIX "center-3xx: "
-#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 LOG_PREFIX "center-3xx"
+
+/* Note: When adding entries here, don't forget to update CENTER_DEV_COUNT. */
+enum {
+ CENTER_309,
+ VOLTCRAFT_K204,
+};
+
+#define CENTER_DEV_COUNT 2
+
+struct center_dev_info {
+ char *vendor;
+ char *device;
+ char *conn;
+ int num_channels;
+ uint32_t max_sample_points;
+ uint8_t packet_size;
+ gboolean (*packet_valid)(const uint8_t *);
+ struct sr_dev_driver *di;
+ int (*receive_data)(int, int, void *);
+};
+
+extern SR_PRIV const struct center_dev_info center_devs[CENTER_DEV_COUNT];
+
+#define SERIAL_BUFSIZE 256
/** Private, per-device-instance driver context. */
struct dev_context {
- /* Model-specific information */
+ /** The current sampling limit (in number of samples). */
+ uint64_t limit_samples;
- /* Acquisition settings */
+ /** The current sampling limit (in ms). */
+ uint64_t limit_msec;
- /* Operational state */
+ /** Opaque pointer passed in by the frontend. */
+ void *cb_data;
- /* Temporary state across callbacks */
+ /** The current number of already received samples. */
+ uint64_t num_samples;
+ int64_t starttime;
+
+ uint8_t buf[SERIAL_BUFSIZE];
+ int bufoffset;
+ int buflen;
};
-SR_PRIV int center_3xx_receive_data(int fd, int revents, void *cb_data);
+SR_PRIV gboolean center_3xx_packet_valid(const uint8_t *buf);
+
+SR_PRIV int receive_data_CENTER_309(int fd, int revents, void *cb_data);
+SR_PRIV int receive_data_VOLTCRAFT_K204(int fd, int revents, void *cb_data);
#endif