s/clear_instances/dev_clear/.

[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 be7ecbff6fd8538eef25e72102d18fa382087d48..0fbcd936f996de05122aae3e3d7e683600dc5e31 100644 (file)
--- a/hardware/asix-sigma/asix-sigma.h
+++ b/hardware/asix-sigma/asix-sigma.h
@@ -1,5 +1,5 @@
 /*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
  *
  * Copyright (C) 2010 Håvard Espeland <gus@ping.uio.no>,
  * Copyright (C) 2010 Martin Stensgård <mastensg@ping.uio.no>
@@ -19,8 +19,17 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef ASIX_SIGMA_H
-#define ASIX_SIGMA_H
+#ifndef LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
+#define LIBSIGROK_HARDWARE_ASIX_SIGMA_ASIX_SIGMA_H
+
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "asix-sigma: "
+#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)
 
 enum sigma_write_register {
        WRITE_CLOCK_SELECT      = 0,
@@ -157,4 +166,37 @@ enum triggerfunc {
        FUNC_NXOR,
 };
 
+struct sigma_state {
+       enum {
+               SIGMA_UNINITIALIZED = 0,
+               SIGMA_IDLE,
+               SIGMA_CAPTURE,
+               SIGMA_DOWNLOAD,
+       } state;
+
+       uint32_t stoppos, triggerpos;
+       uint16_t lastts;
+       uint16_t lastsample;
+
+       int triggerchunk;
+       int chunks_downloaded;
+};
+
+/* Private, per-device-instance driver context. */
+struct dev_context {
+       struct ftdi_context ftdic;
+       uint64_t cur_samplerate;
+       uint64_t period_ps;
+       uint64_t limit_msec;
+       struct timeval start_tv;
+       int cur_firmware;
+       int num_probes;
+       int samples_per_event;
+       int capture_ratio;
+       struct sigma_trigger trigger;
+       int use_triggers;
+       struct sigma_state state;
+       void *cb_data;
+};
+
 #endif