]> sigrok.org Git - libsigrok.git/blobdiff - hardware/hantek-dso/dso.h
hantek-dso: use default libusb context
[libsigrok.git] / hardware / hantek-dso / dso.h
index 1bd93734c8be3d6aa8807446d5a02751e00db32b..800aeadcfa132e29c14277baec48b2dd2657c881 100644 (file)
 #define USB_CONFIGURATION      1
 #define DSO_EP_IN              0x86
 #define DSO_EP_OUT             0x02
+#define NUM_PROBES             2
 
 /* FX2 renumeration delay in ms */
-#define MAX_RENUM_DELAY        3000
+#define MAX_RENUM_DELAY_MS     3000
 
 #define MAX_CAPTURE_EMPTY      3
 
-#define DEFAULT_VOLTAGE            VOLTAGE_2V
+#define DEFAULT_VOLTAGE            VDIV_500MV
 #define DEFAULT_FRAMESIZE          FRAMESIZE_SMALL
-#define DEFAULT_TIMEBASE           TIME_1ms
-#define DEFAULT_TRIGGER_SOURCE     TRIGGER_CH1
-#define DEFAULT_COUPLING           COUPLING_AC
-#define DEFAULT_SELECTED_CHANNEL   SELECT_CH1CH2
-/* Halfway between min and max = 0V */
-#define DEFAULT_HORIZ_TRIGGERPOS   0x1400
-
+#define DEFAULT_TIMEBASE           TIME_100us
+#define DEFAULT_TRIGGER_SOURCE     "CH1"
+#define DEFAULT_COUPLING           COUPLING_DC
+#define DEFAULT_HORIZ_TRIGGERPOS   0.5
 #define DEFAULT_VERT_OFFSET        0.5
-#define DEFAULT_VERT_TRIGGERPOS    0.0
+#define DEFAULT_VERT_TRIGGERPOS    0.5
 
 #define MAX_VERT_TRIGGER           0xfe
 
@@ -70,28 +68,20 @@ enum dso_commands {
        CMD_GET_CHANNELDATA,
        CMD_GET_CAPTURESTATE,
        CMD_SET_VOLTAGE,
+       /* unused */
        cmdSetLogicalData,
        cmdGetLogicalData
 };
 
-enum voltages {
-       VOLTAGE_5V = 0,
-       VOLTAGE_2V,
-       VOLTAGE_1V,
-       VOLTAGE_500mV,
-       VOLTAGE_200mV,
-       VOLTAGE_100mV,
-       VOLTAGE_50mV,
-       VOLTAGE_20mV,
-       VOLTAGE_10mV
-};
-
+/* Must match the coupling table. */
 enum couplings {
        COUPLING_AC = 0,
        COUPLING_DC,
-       COUPLING_OFF
+       /* TODO not used, how to enable? */
+       COUPLING_GND
 };
 
+/* Must match the timebases table. */
 enum time_bases {
        TIME_10us = 0,
        TIME_20us,
@@ -110,6 +100,19 @@ enum time_bases {
        TIME_400ms
 };
 
+/* Must match the vdivs table. */
+enum {
+       VDIV_10MV,
+       VDIV_20MV,
+       VDIV_50MV,
+       VDIV_100MV,
+       VDIV_200MV,
+       VDIV_500MV,
+       VDIV_1V,
+       VDIV_2V,
+       VDIV_5V,
+};
+
 enum trigger_slopes {
        SLOPE_POSITIVE = 0,
        SLOPE_NEGATIVE
@@ -118,15 +121,7 @@ enum trigger_slopes {
 enum trigger_sources {
        TRIGGER_CH2 = 0,
        TRIGGER_CH1,
-       TRIGGER_ALT,
        TRIGGER_EXT,
-       TRIGGER_EXT10
-};
-
-enum selected_channels {
-       SELECT_CH1 = 0,
-       SELECT_CH2,
-       SELECT_CH1CH2
 };
 
 enum capturestates {
@@ -148,7 +143,8 @@ enum states {
        IDLE,
        NEW_CAPTURE,
        CAPTURE,
-       FETCH_DATA
+       FETCH_DATA,
+       STOPPING,
 };
 
 struct dso_profile {
@@ -160,13 +156,15 @@ struct dso_profile {
        uint16_t fw_pid;
        char *vendor;
        char *model;
-       char *model_version;
-       int num_probes;
        char *firmware;
 };
 
-struct context {
-       struct dso_profile *profile;
+struct drv_context {
+       GSList *instances;
+};
+
+struct dev_context {
+       const struct dso_profile *profile;
        struct sr_usb_dev_inst *usb;
        void *cb_data;
        uint64_t limit_frames;
@@ -176,12 +174,12 @@ struct context {
         * after the upgrade) this is like a global lock. No device will open
         * until a proper delay after the last device was upgraded.
         */
-       GTimeVal fw_updated;
+       int64_t fw_updated;
        int epin_maxpacketsize;
        int capture_empty_count;
-       int current_transfer;
        int dev_state;
 
+       /* Oscilloscope settings. */
        int timebase;
        gboolean ch1_enabled;
        gboolean ch2_enabled;
@@ -194,24 +192,30 @@ struct context {
        float voffset_ch2;
        float voffset_trigger;
        uint16_t channel_levels[2][9][2];
-       int selected_channel;
-       int framesize;
+       unsigned int framesize;
        gboolean filter_ch1;
        gboolean filter_ch2;
        gboolean filter_trigger;
        int triggerslope;
-       int triggersource;
-       int triggerposition;
+       char *triggersource;
+       float triggerposition;
        int triggermode;
+
+       /* Frame transfer */
+       unsigned int samp_received;
+       unsigned int samp_buffered;
+       unsigned int trigger_offset;
+       unsigned char *framebuf;
 };
 
-SR_PRIV int dso_open(int dev_index);
+SR_PRIV int dso_open(struct sr_dev_inst *sdi);
 SR_PRIV void dso_close(struct sr_dev_inst *sdi);
-SR_PRIV int dso_enable_trigger(struct context *ctx);
-SR_PRIV int dso_force_trigger(struct context *ctx);
-SR_PRIV int dso_init(struct context *ctx);
-SR_PRIV uint8_t dso_get_capturestate(struct context *ctx);
-SR_PRIV uint8_t dso_capture_start(struct context *ctx);
-SR_PRIV int dso_get_channeldata(struct context *ctx, libusb_transfer_cb_fn cb);
+SR_PRIV int dso_enable_trigger(struct dev_context *devc);
+SR_PRIV int dso_force_trigger(struct dev_context *devc);
+SR_PRIV int dso_init(struct dev_context *devc);
+SR_PRIV int dso_get_capturestate(struct dev_context *devc, uint8_t *capturestate,
+               uint32_t *trigger_offset);
+SR_PRIV int dso_capture_start(struct dev_context *devc);
+SR_PRIV int dso_get_channeldata(struct dev_context *devc, libusb_transfer_cb_fn cb);
 
 #endif