*/
#define LA2016_EP2_PADDING 2048
+/*
+ * Whether the logic input threshold voltage is a config item of the
+ * "Logic" channel group or a global config item of the device. Ideally
+ * it would be the former (being strictly related to the Logic channels)
+ * but mainline applications work better with the latter, and many other
+ * device drivers implement it that way, too.
+ */
+#define WITH_THRESHOLD_DEVCFG 1
+
#define LA2016_THR_VOLTAGE_MIN 0.40
#define LA2016_THR_VOLTAGE_MAX 4.00
-#define LA2016_NUM_SAMPLES_MIN (UINT64_C(256))
#define LA2016_NUM_SAMPLES_MAX (UINT64_C(10 * 1000 * 1000 * 1000))
/* Maximum device capabilities. May differ between models. */
-#define MAX_SAMPLE_RATE_LA2016 SR_MHZ(200)
-#define MAX_SAMPLE_RATE_LA1016 SR_MHZ(100)
-#define MIN_SAMPLE_RATE_LA2016 SR_KHZ(10)
#define MAX_PWM_FREQ SR_MHZ(20)
#define PWM_CLOCK SR_MHZ(200) /* 200MHz for both LA2016 and LA1016 */
-/* TODO
- * What is the origin and motivation of that 128Mi literal? What is its
- * unit? How does it relate to a device's hardware capabilities? How to
- * map the 1GiB of RAM of an LA2016 (at 16 channels) to the 128Mi value?
- * It cannot be sample count. Is it memory size in bytes perhaps?
- */
-#define LA2016_PRE_MEM_LIMIT_BASE (128 * 1024 * 1024)
-
#define LA2016_NUM_PWMCH_MAX 2
+/*
+ * Whether to de-initialize the device hardware in the driver's close
+ * callback. It is desirable to e.g. configure PWM channels and leave
+ * the generator running after the application shuts down. Users can
+ * always disable channels on their way out if they want to.
+ */
+#define WITH_DEINIT_IN_CLOSE 0
+
#define LA2016_CONVBUFFER_SIZE (4 * 1024 * 1024)
struct kingst_model {
uint64_t memory_bits; /* RAM capacity in Gbit (1, 2, 4). */
};
-struct pwm_setting_dev {
- uint32_t period;
- uint32_t duty;
-};
-
-struct trigger_cfg {
- uint32_t channels;
- uint32_t enabled;
- uint32_t level;
- uint32_t high_or_falling;
-};
-
-struct capture_info {
- uint32_t n_rep_packets;
- uint32_t n_rep_packets_before_trigger;
- uint32_t write_pos;
-};
-
-#define NUM_PACKETS_IN_CHUNK 5
-#define TRANSFER_PACKET_LENGTH 16
-
-struct pwm_setting {
- gboolean enabled;
- float freq;
- float duty;
-};
-
struct dev_context {
uint16_t usb_pid;
char *mcu_firmware;
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. */
- struct pwm_setting pwm_setting[LA2016_NUM_PWMCH_MAX];
+ 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 cur_samplerate;
+ uint64_t samplerate;
struct sr_sw_limits sw_limits;
uint64_t capture_ratio;
gboolean trigger_involved;
gboolean completion_seen;
gboolean download_finished;
- struct capture_info info;
+ 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;
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_setup_acquisition(const struct sr_dev_inst *sdi);
+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_identify_device(const struct sr_dev_inst *sdi,
- gboolean show_message);
-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