#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
-#define LOG_PREFIX "ols"
+#define LOG_PREFIX "openbench-logic-sniffer"
-#define NUM_CHANNELS 32
#define NUM_TRIGGER_STAGES 4
-#define SERIAL_SPEED B115200
#define CLOCK_RATE SR_MHZ(100)
#define MIN_NUM_SAMPLES 4
#define DEFAULT_SAMPLERATE SR_KHZ(200)
/* Command opcodes */
#define CMD_RESET 0x00
#define CMD_RUN 0x01
-#define CMD_TESTMODE 0x03
#define CMD_ID 0x02
#define CMD_METADATA 0x04
-#define CMD_SET_FLAGS 0x82
#define CMD_SET_DIVIDER 0x80
#define CMD_CAPTURE_SIZE 0x81
+#define CMD_SET_FLAGS 0x82
+#define CMD_CAPTURE_DELAYCOUNT 0x83 /* extension for Pepino */
+#define CMD_CAPTURE_READCOUNT 0x84 /* extension for Pepino */
#define CMD_SET_TRIGGER_MASK 0xc0
#define CMD_SET_TRIGGER_VALUE 0xc1
#define CMD_SET_TRIGGER_CONFIG 0xc2
/* Trigger config */
#define TRIGGER_START (1 << 3)
-/* Bitmasks for CMD_FLAGS */
-/* 12-13 unused, 14-15 RLE mode (we hardcode mode 0). */
-#define FLAG_INTERNAL_TEST_MODE (1 << 11)
-#define FLAG_EXTERNAL_TEST_MODE (1 << 10)
-#define FLAG_SWAP_CHANNELS (1 << 9)
-#define FLAG_RLE (1 << 8)
-#define FLAG_SLOPE_FALLING (1 << 7)
-#define FLAG_CLOCK_EXTERNAL (1 << 6)
-#define FLAG_CHANNELGROUP_4 (1 << 5)
-#define FLAG_CHANNELGROUP_3 (1 << 4)
-#define FLAG_CHANNELGROUP_2 (1 << 3)
-#define FLAG_CHANNELGROUP_1 (1 << 2)
-#define FLAG_FILTER (1 << 1)
-#define FLAG_DEMUX (1 << 0)
+/* Bit mask used for "set flags" command (0x82) */
+/* Take care about bit positions in diagrams, they are inverted. */
+#define CAPTURE_FLAG_RLEMODE1 (1 << 15)
+#define CAPTURE_FLAG_RLEMODE0 (1 << 14)
+#define CAPTURE_FLAG_RESERVED1 (1 << 13)
+#define CAPTURE_FLAG_RESERVED0 (1 << 12)
+#define CAPTURE_FLAG_INTERNAL_TEST_MODE (1 << 11)
+#define CAPTURE_FLAG_EXTERNAL_TEST_MODE (1 << 10)
+#define CAPTURE_FLAG_SWAP_CHANNELS (1 << 9)
+#define CAPTURE_FLAG_RLE (1 << 8)
+#define CAPTURE_FLAG_INVERT_EXT_CLOCK (1 << 7)
+#define CAPTURE_FLAG_CLOCK_EXTERNAL (1 << 6)
+#define CAPTURE_FLAG_DISABLE_CHANGROUP_4 (1 << 5)
+#define CAPTURE_FLAG_DISABLE_CHANGROUP_3 (1 << 4)
+#define CAPTURE_FLAG_DISABLE_CHANGROUP_2 (1 << 3)
+#define CAPTURE_FLAG_DISABLE_CHANGROUP_1 (1 << 2)
+#define CAPTURE_FLAG_NOISE_FILTER (1 << 1)
+#define CAPTURE_FLAG_DEMUX (1 << 0)
+
+/* Capture context magic numbers */
+#define OLS_NO_TRIGGER (-1)
struct dev_context {
+ /* constant device properties: */
int max_channels;
uint32_t max_samples;
uint32_t max_samplerate;
uint32_t protocol_version;
+ /* acquisition-related properties: */
uint64_t cur_samplerate;
uint32_t cur_samplerate_divider;
uint64_t limit_samples;
- int capture_ratio;
- int trigger_at;
+ uint64_t capture_ratio;
+ int trigger_at_smpl;
uint32_t channel_mask;
uint32_t trigger_mask[NUM_TRIGGER_STAGES];
uint32_t trigger_value[NUM_TRIGGER_STAGES];
int num_stages;
- uint16_t flag_reg;
+ uint16_t capture_flags;
unsigned int num_transfers;
unsigned int num_samples;