Add struct sr_session parameter to all session source backends.

[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..4c9deff68bf480ddbf859fe8eb5c3bd747bad115 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 +19,10 @@
  * 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
+
+#define LOG_PREFIX "asix-sigma"
 
 enum sigma_write_register {
        WRITE_CLOCK_SELECT      = 0,
@@ -53,17 +55,17 @@ enum sigma_read_register {
        READ_TEST               = 15,
 };
 
-#define REG_ADDR_LOW           (0 << 4)
-#define REG_ADDR_HIGH          (1 << 4)
-#define REG_DATA_LOW           (2 << 4)
-#define REG_DATA_HIGH_WRITE    (3 << 4)
-#define REG_READ_ADDR          (4 << 4)
-#define REG_DRAM_WAIT_ACK      (5 << 4)
+#define REG_ADDR_LOW           (0x0 << 4)
+#define REG_ADDR_HIGH          (0x1 << 4)
+#define REG_DATA_LOW           (0x2 << 4)
+#define REG_DATA_HIGH_WRITE    (0x3 << 4)
+#define REG_READ_ADDR          (0x4 << 4)
+#define REG_DRAM_WAIT_ACK      (0x5 << 4)
 
 /* Bit (1 << 4) can be low or high (double buffer / cache) */
-#define REG_DRAM_BLOCK         (6 << 4)
-#define REG_DRAM_BLOCK_BEGIN   (8 << 4)
-#define REG_DRAM_BLOCK_DATA    (10 << 4)
+#define REG_DRAM_BLOCK         (0x6 << 4)
+#define REG_DRAM_BLOCK_BEGIN   (0x8 << 4)
+#define REG_DRAM_BLOCK_DATA    (0xa << 4)
 
 #define LEDSEL0                        6
 #define LEDSEL1                        7
@@ -74,10 +76,29 @@ enum sigma_read_register {
 
 #define CHUNK_SIZE             1024
 
+/*
+ * The entire ASIX Sigma DRAM is an array of struct sigma_dram_line[1024];
+ */
+
+/* One "DRAM cluster" contains a timestamp and 7 samples, 16b total. */
+struct sigma_dram_cluster {
+       uint8_t         timestamp_lo;
+       uint8_t         timestamp_hi;
+       struct {
+               uint8_t sample_hi;
+               uint8_t sample_lo;
+       }               samples[7];
+};
+
+/* One "DRAM line" contains 64 "DRAM clusters", 1024b total. */
+struct sigma_dram_line {
+       struct sigma_dram_cluster       cluster[64];
+};
+
 struct clockselect_50 {
        uint8_t async;
        uint8_t fraction;
-       uint16_t disabled_probes;
+       uint16_t disabled_channels;
 };
 
 /* The effect of all these are still a bit unclear. */
@@ -124,7 +145,7 @@ struct triggerlut {
 
 /* Trigger configuration */
 struct sigma_trigger {
-       /* Only two probes can be used in mask. */
+       /* Only two channels can be used in mask. */
        uint16_t risingmask;
        uint16_t fallingmask;
 
@@ -157,4 +178,34 @@ enum triggerfunc {
        FUNC_NXOR,
 };
 
+struct sigma_state {
+       enum {
+               SIGMA_UNINITIALIZED = 0,
+               SIGMA_IDLE,
+               SIGMA_CAPTURE,
+               SIGMA_DOWNLOAD,
+       } state;
+
+       uint16_t lastts;
+       uint16_t lastsample;
+};
+
+/* 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_channels;
+       int cur_channels;
+       int samples_per_event;
+       int capture_ratio;
+       struct sigma_trigger trigger;
+       int use_triggers;
+       struct sigma_state state;
+       void *cb_data;
+};
+
 #endif