+#define CMD_GET_FW_VERSION 0xb0
+#define CMD_START 0xb1
+#define CMD_GET_REVID_VERSION 0xb2
+
+#define CMD_START_FLAGS_WIDE_POS 5
+#define CMD_START_FLAGS_CLK_SRC_POS 6
+
+#define CMD_START_FLAGS_SAMPLE_8BIT (0 << CMD_START_FLAGS_WIDE_POS)
+#define CMD_START_FLAGS_SAMPLE_16BIT (1 << CMD_START_FLAGS_WIDE_POS)
+
+#define CMD_START_FLAGS_CLK_30MHZ (0 << CMD_START_FLAGS_CLK_SRC_POS)
+#define CMD_START_FLAGS_CLK_48MHZ (1 << CMD_START_FLAGS_CLK_SRC_POS)
+
+#pragma pack(push, 1)
+
+struct version_info {
+ uint8_t major;
+ uint8_t minor;
+};
+
+struct cmd_start_acquisition {
+ uint8_t flags;
+ uint8_t sample_delay_h;
+ uint8_t sample_delay_l;
+};
+
+#pragma pack(pop)
+
+SR_PRIV int command_get_fw_version(libusb_device_handle *devhdl,
+ struct version_info *vi);
+SR_PRIV int command_get_revid_version(libusb_device_handle *devhdl,
+ uint8_t *revid);
+SR_PRIV int command_start_acquisition(libusb_device_handle *devhdl,
+ uint64_t samplerate, gboolean samplewide);