X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fkingst-la2016%2Fprotocol.h;h=4e16b37227736110cc6b76467c19060d5d6147f1;hb=9270f8f437581605ab4e3e808e2bd62f41ab7d35;hp=76a1cc9f755999649faa07cfafca69be0170bc94;hpb=adab4d91e679153ffb5ee578ebbf1b126c66e9de;p=libsigrok.git

diff --git a/src/hardware/kingst-la2016/protocol.h b/src/hardware/kingst-la2016/protocol.h
index 76a1cc9f..4e16b372 100644
--- a/src/hardware/kingst-la2016/protocol.h
+++ b/src/hardware/kingst-la2016/protocol.h
@@ -66,82 +66,99 @@
  */
 #define LA2016_EP2_PADDING	2048
 
+/*
+ * The complex logic input threshold voltage support with a custom level
+ * is not operational yet. Ideally we could support the set of pre-made
+ * voltages with their pretty text labels, and one of them referencing
+ * a voltage which is user specified. But not all applications support
+ * this setup equally well, or present it most appropriately to users.
+ * So let's implement something simpler for the moment until the more
+ * complex approach becomes accessible in all applications.
+ *
+ * Strictly speaking the logic input threshold voltage is a property of
+ * the "Logic" channel group. Again not all applications support such
+ * an approach, and like to see them as global device properties.
+ */
+#define WITH_THRESHOLD_DEVCFG	1
+#define WITH_THRESHOLD_SIMPLE	1
+#if !WITH_THRESHOLD_DEVCFG && !WITH_THRESHOLD_SIMPLE
+#  error "Custom threshold in Logic group is not implemented."
+#endif
+
 #define LA2016_THR_VOLTAGE_MIN	0.40
 #define LA2016_THR_VOLTAGE_MAX	4.00
 
-#define LA2016_NUM_SAMPLES_MIN	256
-#define LA2016_NUM_SAMPLES_MAX	(10UL * 1000 * 1000 * 1000)
+#define LA2016_NUM_SAMPLES_MAX	(UINT64_C(10 * 1000 * 1000 * 1000))
+
+/* Maximum device capabilities. May differ between models. */
+#define MAX_PWM_FREQ		SR_MHZ(20)
+#define PWM_CLOCK		SR_MHZ(200)	/* 200MHz for both LA2016 and LA1016 */
 
 #define LA2016_NUM_PWMCH_MAX	2
 
 #define LA2016_CONVBUFFER_SIZE	(4 * 1024 * 1024)
 
-typedef struct pwm_setting_dev {
-	uint32_t period;
-	uint32_t duty;
-} pwm_setting_dev_t;
-
-typedef struct trigger_cfg {
-	uint32_t channels;
-	uint32_t enabled;
-	uint32_t level;
-	uint32_t high_or_falling;
-} trigger_cfg_t;
-
-typedef struct capture_info {
-	uint32_t n_rep_packets;
-	uint32_t n_rep_packets_before_trigger;
-	uint32_t write_pos;
-} capture_info_t;
-
-#define NUM_PACKETS_IN_CHUNK	5
-#define TRANSFER_PACKET_LENGTH	16
-
-typedef struct pwm_setting {
-	uint8_t enabled;
-	float freq;
-	float duty;
-} pwm_setting_t;
+struct kingst_model {
+	uint8_t magic;		/* EEPROM magic byte value. */
+	const char *name;	/* User perceived model name. */
+	const char *fpga_stem;	/* Bitstream filename stem. */
+	uint64_t samplerate;	/* Max samplerate in Hz. */
+	size_t channel_count;	/* Max channel count (16, 32). */
+	uint64_t memory_bits;	/* RAM capacity in Gbit (1, 2, 4). */
+};
 
 struct dev_context {
-	struct sr_context *ctx;
-	uint64_t fw_uploaded;
+	uint16_t usb_pid;
+	char *mcu_firmware;
+	char *fpga_bitstream;
+	uint64_t fw_uploaded; /* Timestamp of most recent FW upload. */
+	uint8_t identify_magic;
+	const struct kingst_model *model;
+	struct sr_channel_group *cg_logic, *cg_pwm;
 
 	/* User specified parameters. */
-	pwm_setting_t pwm_setting[LA2016_NUM_PWMCH_MAX];
-	unsigned int threshold_voltage_idx;
+	struct pwm_setting {
+		gboolean enabled;
+		float freq;
+		float duty;
+	} pwm_setting[LA2016_NUM_PWMCH_MAX];
+	size_t threshold_voltage_idx;
 	float threshold_voltage;
-	uint64_t max_samplerate;
 	uint64_t cur_samplerate;
-	uint64_t limit_samples;
+	struct sr_sw_limits sw_limits;
 	uint64_t capture_ratio;
-	uint16_t cur_channels;
-	int num_channels;
 
 	/* Internal acquisition and download state. */
-	int had_triggers_configured;
-	int have_trigger;
-	int transfer_finished;
-	capture_info_t info;
-	unsigned int n_transfer_packets_to_read; /* each with 5 acq packets */
-	unsigned int n_bytes_to_read;
-	unsigned int n_reps_until_trigger;
-	unsigned int reading_behind_trigger;
+	gboolean trigger_involved;
+	gboolean completion_seen;
+	gboolean download_finished;
+	struct capture_info {
+		uint32_t n_rep_packets;
+		uint32_t n_rep_packets_before_trigger;
+		uint32_t write_pos;
+	} info;
+	uint32_t n_transfer_packets_to_read; /* each with 5 acq packets */
+	uint32_t n_bytes_to_read;
+	uint32_t n_reps_until_trigger;
+	gboolean trigger_marked;
 	uint64_t total_samples;
 	uint32_t read_pos;
 
-	unsigned int convbuffer_size;
-	uint8_t *convbuffer;
+	struct feed_queue_logic *feed_queue;
 	struct libusb_transfer *transfer;
 };
 
-SR_PRIV int la2016_upload_firmware(struct sr_context *sr_ctx,
-	libusb_device *dev, uint16_t product_id);
-SR_PRIV int la2016_setup_acquisition(const struct sr_dev_inst *sdi);
+SR_PRIV int la2016_upload_firmware(const struct sr_dev_inst *sdi,
+	struct sr_context *sr_ctx, libusb_device *dev, uint16_t product_id);
+SR_PRIV int la2016_identify_device(const struct sr_dev_inst *sdi,
+	gboolean show_message);
+SR_PRIV int la2016_init_hardware(const struct sr_dev_inst *sdi);
+SR_PRIV int la2016_deinit_hardware(const struct sr_dev_inst *sdi);
+SR_PRIV int la2016_write_pwm_config(const struct sr_dev_inst *sdi, size_t idx);
+SR_PRIV int la2016_setup_acquisition(const struct sr_dev_inst *sdi,
+	double voltage);
 SR_PRIV int la2016_start_acquisition(const struct sr_dev_inst *sdi);
 SR_PRIV int la2016_abort_acquisition(const struct sr_dev_inst *sdi);
 SR_PRIV int la2016_receive_data(int fd, int revents, void *cb_data);
-SR_PRIV int la2016_init_device(const struct sr_dev_inst *sdi);
-SR_PRIV int la2016_deinit_device(const struct sr_dev_inst *sdi);
 
 #endif