#include <stdint.h>
#include <inttypes.h>
#include <glib.h>
+#ifdef HAVE_LIBUSB_1_0
#include <libusb.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
/*
* Status/error codes returned by libsigrok functions.
* or reused for different #defines later. You can only add new #defines and
* return codes, but never remove or redefine existing ones.
*/
-#define SIGROK_OK 0 /* No error */
-#define SIGROK_ERR -1 /* Generic/unspecified error */
-#define SIGROK_ERR_MALLOC -2 /* Malloc/calloc/realloc error */
-#define SIGROK_ERR_SAMPLERATE -3 /* Incorrect samplerate */
+#define SR_OK 0 /* No error */
+#define SR_ERR -1 /* Generic/unspecified error */
+#define SR_ERR_MALLOC -2 /* Malloc/calloc/realloc error */
+#define SR_ERR_SAMPLERATE -3 /* Incorrect samplerate */
+
+/* limited by uint64_t */
+#define MAX_NUM_PROBES 64
+#define MAX_PROBENAME_LEN 32
/* Handy little macros */
-#define KHZ(n) (n * 1000)
-#define MHZ(n) (n * 1000000)
-#define GHZ(n) (n * 1000000000)
+#define KHZ(n) ((n) * 1000)
+#define MHZ(n) ((n) * 1000000)
+#define GHZ(n) ((n) * 1000000000)
-/* Data types, used by hardware plugins for set_configuration() */
+#define HZ_TO_NS(n) (1000000000 / (n))
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+#endif
+
+#ifndef ARRAY_AND_SIZE
+#define ARRAY_AND_SIZE(a) (a), ARRAY_SIZE(a)
+#endif
+
+typedef int (*receive_data_callback) (int fd, int revents, void *user_data);
+
+/* Data types used by hardware plugins for set_configuration() */
enum {
- T_UINT64,
- T_CHAR,
+ SR_T_UINT64,
+ SR_T_CHAR,
+ SR_T_NULL,
};
enum {
- PROTO_RAW,
+ SR_PROTO_RAW,
};
/* (Unused) protocol decoder stack entry */
int stackindex;
};
-/*
- * datafeed
- */
-
-/* datafeed_packet.type values */
+/* sr_datafeed_packet.type values */
enum {
- DF_HEADER,
- DF_END,
- DF_TRIGGER,
- DF_LOGIC8,
- DF_LOGIC16,
- DF_LOGIC24,
- DF_LOGIC32,
- DF_LOGIC48,
- DF_LOGIC64,
+ SR_DF_HEADER,
+ SR_DF_END,
+ SR_DF_TRIGGER,
+ SR_DF_LOGIC,
+ SR_DF_ANALOG,
+ SR_DF_PD,
};
-struct datafeed_packet {
+struct sr_datafeed_packet {
uint16_t type;
- uint16_t length;
+ uint64_t length;
+ uint16_t unitsize;
void *payload;
};
-struct datafeed_header {
+struct sr_datafeed_header {
int feed_version;
struct timeval starttime;
uint64_t samplerate;
int protocol_id;
- int num_probes;
+ int num_analog_probes;
+ int num_logic_probes;
};
-/*
- * output
- */
-struct output {
- struct output_format *format;
- struct device *device;
+struct analog_probe {
+ uint8_t att;
+ uint8_t res; /* Needs to be a power of 2, FIXME */
+ uint16_t val; /* Max hardware ADC width is 16bits */
+};
+
+struct analog_sample {
+ uint8_t num_probes; /* Max hardware probes is 256 */
+ struct analog_probe probes[];
+};
+
+struct sr_input {
+ struct sr_input_format *format;
+ char *param;
+ struct sr_device *vdevice;
+};
+
+struct sr_input_format {
+ char *extension;
+ char *description;
+ int (*format_match) (const char *filename);
+ int (*init) (struct sr_input *in);
+ int (*loadfile) (struct sr_input *in, const char *filename);
+};
+
+struct sr_output {
+ struct sr_output_format *format;
+ struct sr_device *device;
char *param;
void *internal;
};
-struct output_format {
+struct sr_output_format {
char *extension;
char *description;
- int (*init) (struct output *o);
- int (*data) (struct output *o, char *data_in, uint64_t length_in,
+ int df_type;
+ int (*init) (struct sr_output *o);
+ int (*data) (struct sr_output *o, char *data_in, uint64_t length_in,
char **data_out, uint64_t *length_out);
- int (*event) (struct output *o, int event_type, char **data_out,
+ int (*event) (struct sr_output *o, int event_type, char **data_out,
uint64_t *length_out);
};
-struct output_format **output_list(void);
-int filter_probes(int in_unitsize, int out_unitsize, int *probelist,
- char *data_in, uint64_t length_in, char **data_out,
- uint64_t *length_out);
-
-char *sigrok_samplerate_string(uint64_t samplerate);
-
-/*--- analyzer.c ------------------------------------------------------------*/
-
struct analyzer {
char *name;
char *filename;
*/
};
-/*--- backend.c -------------------------------------------------------------*/
-
-int sigrok_init(void);
-void sigrok_cleanup(void);
-
-/*--- datastore.c -----------------------------------------------------------*/
-
/* Size of a chunk in units */
#define DATASTORE_CHUNKSIZE 512000
struct datastore {
/* Size in bytes of the number of units stored in this datastore */
int ds_unitsize;
- unsigned int num_units;
+ unsigned int num_units; /* TODO: uint64_t */
GSList *chunklist;
};
-struct datastore *datastore_new(int unitsize);
-void datastore_destroy(struct datastore *ds);
-void datastore_put(struct datastore *ds, void *data, unsigned int length,
- int in_unitsize, int *probelist);
-
-/*--- debug.c ---------------------------------------------------------------*/
-
-void hexdump(unsigned char *address, int length);
-
-/*--- device.c --------------------------------------------------------------*/
-
/*
* This represents a generic device connected to the system.
* For device-specific information, ask the plugin. The plugin_index refers
* to the device index within that plugin; it may be handling more than one
* device. All relevant plugin calls take a device_index parameter for this.
*/
-struct device {
+struct sr_device {
/* Which plugin handles this device */
- struct device_plugin *plugin;
+ struct sr_device_plugin *plugin;
/* A plugin may handle multiple devices of the same type */
int plugin_index;
/* List of struct probe* */
struct datastore *datastore;
};
+enum {
+ SR_PROBE_TYPE_LOGIC,
+ SR_PROBE_TYPE_ANALOG,
+};
+
struct probe {
int index;
+ int type;
gboolean enabled;
char *name;
char *trigger;
extern GSList *devices;
-void device_scan(void);
-void device_close_all(void);
-GSList *device_list(void);
-struct device *device_new(struct device_plugin *plugin, int plugin_index);
-void device_clear(struct device *device);
-void device_destroy(struct device *dev);
-
-void device_probe_clear(struct device *device, int probenum);
-void device_probe_add(struct device *device, char *name);
-struct probe *probe_find(struct device *device, int probenum);
-void device_probe_name(struct device *device, int probenum, char *name);
-
-void device_trigger_clear(struct device *device);
-void device_trigger_set(struct device *device, int probenum, char *trigger);
-
-/*--- hwplugin.c ------------------------------------------------------------*/
-
/* Hardware plugin capabilities */
enum {
- HWCAP_DUMMY, // used to terminate lists
- HWCAP_LOGIC_ANALYZER,
- HWCAP_SAMPLERATE, // change samplerate
- HWCAP_PROBECONFIG, // configure probe mask
- HWCAP_CAPTURE_RATIO, // set pre-trigger / post-trigger ratio
- HWCAP_LIMIT_MSEC, // set a time limit for sample acquisition
- HWCAP_LIMIT_SAMPLES, // set a limit on number of samples
+ SR_HWCAP_DUMMY, /* Used to terminate lists */
+ /* device classes */
+ SR_HWCAP_LOGIC_ANALYZER,
+
+ /* device options */
+ SR_HWCAP_SAMPLERATE, /* Change samplerate */
+ SR_HWCAP_PROBECONFIG, /* Configure probe mask */
+ SR_HWCAP_CAPTURE_RATIO, /* Set pre/post-trigger capture ratio */
+ SR_HWCAP_PATTERN_MODE, /* Pattern generator mode */
+
+ /* special stuff */
+ SR_HWCAP_CAPTUREFILE, /* capturefile to inject */
+ SR_HWCAP_CAPTURE_UNITSIZE, /* unitsize of capturefile data */
+ SR_HWCAP_CAPTURE_NUM_PROBES,/* set number of probes */
+
+ /* acquisition modes */
+ SR_HWCAP_LIMIT_MSEC, /* Set a time limit for sample acquisition */
+ SR_HWCAP_LIMIT_SAMPLES, /* Set a limit on number of samples */
+ SR_HWCAP_CONTINUOUS,
};
struct hwcap_option {
char *shortname;
};
-struct sigrok_device_instance {
+struct sr_device_instance {
int index;
int status;
int instance_type;
char *vendor;
char *model;
char *version;
+ void *priv;
union {
- struct usb_device_instance *usb;
- struct serial_device_instance *serial;
+ struct sr_usb_device_instance *usb;
+ struct sr_serial_device_instance *serial;
};
};
-/* sigrok_device_instance types */
+/* sr_device_instance types */
enum {
- USB_INSTANCE,
- SERIAL_INSTANCE,
+ SR_USB_INSTANCE,
+ SR_SERIAL_INSTANCE,
};
-struct usb_device_instance {
+#ifdef HAVE_LIBUSB_1_0
+struct sr_usb_device_instance {
uint8_t bus;
uint8_t address;
struct libusb_device_handle *devhdl;
};
+#endif
-struct serial_device_instance {
+struct sr_serial_device_instance {
char *port;
int fd;
};
/* Device instance status */
enum {
- ST_NOT_FOUND,
+ SR_ST_NOT_FOUND,
/* Found, but still booting */
- ST_INITIALIZING,
+ SR_ST_INITIALIZING,
/* Live, but not in use */
- ST_INACTIVE,
+ SR_ST_INACTIVE,
/* Actively in use in a session */
- ST_ACTIVE,
+ SR_ST_ACTIVE,
};
/*
/* Device info IDs */
enum {
- /* struct sigrok_device_instance for this specific device */
- DI_INSTANCE,
+ /* struct sr_device_instance for this specific device */
+ SR_DI_INSTANCE,
/* The number of probes connected to this device */
- DI_NUM_PROBES,
+ SR_DI_NUM_PROBES,
/* Samplerates supported by this device, (struct samplerates) */
- DI_SAMPLERATES,
+ SR_DI_SAMPLERATES,
/* Types of trigger supported, out of "01crf" (char *) */
- DI_TRIGGER_TYPES,
+ SR_DI_TRIGGER_TYPES,
/* The currently set samplerate in Hz (uint64_t) */
- DI_CUR_SAMPLERATE,
+ SR_DI_CUR_SAMPLERATE,
+ /* Supported pattern generator modes */
+ SR_DI_PATTERNMODES,
};
-/* a device supports either a range of samplerates with steps of a given
- * granularity, or is limited to a set of defined samplerates. use either
+/*
+ * A device supports either a range of samplerates with steps of a given
+ * granularity, or is limited to a set of defined samplerates. Use either
* step or list, but not both.
*/
struct samplerates {
uint64_t *list;
};
-struct device_plugin {
- /* plugin-specific */
+struct sr_device_plugin {
+ /* Plugin-specific */
char *name;
+ char *longname;
int api_version;
int (*init) (char *deviceinfo);
void (*cleanup) (void);
- /* device-specific */
+ /* Device-specific */
int (*open) (int device_index);
void (*close) (int device_index);
void *(*get_device_info) (int device_index, int device_info_id);
void (*stop_acquisition) (int device_index, gpointer session_device_id);
};
-struct gsource_fd {
- GSource source;
- GPollFD gpfd;
- /* Not really using this */
- GSource *timeout_source;
-};
-
-typedef int (*receive_data_callback) (int fd, int revents, void *user_data);
-
-int load_hwplugins(void);
-GSList *list_hwplugins(void);
-
-/* Generic device instances */
-struct sigrok_device_instance *sigrok_device_instance_new(int index,
- int status, char *vendor, char *model, char *version);
-struct sigrok_device_instance *get_sigrok_device_instance(GSList *device_instances, int device_index);
-void sigrok_device_instance_free(struct sigrok_device_instance *sdi);
-
-/* USB-specific instances */
-struct usb_device_instance *usb_device_instance_new(uint8_t bus,
- uint8_t address, struct libusb_device_handle *hdl);
-void usb_device_instance_free(struct usb_device_instance *usb);
-
-/* Serial-specific instances */
-struct serial_device_instance *serial_device_instance_new(char *port, int fd);
-void serial_device_instance_free(struct serial_device_instance *serial);
-
-int find_hwcap(int *capabilities, int hwcap);
-struct hwcap_option *find_hwcap_option(int hwcap);
-void source_remove(int fd);
-void source_add(int fd, int events, int timeout, receive_data_callback rcv_cb, void *user_data);
-
-/*--- session.c -------------------------------------------------------------*/
-
-typedef void (*source_callback_remove) (int fd);
-typedef void (*source_callback_add) (int fd, int events, int timeout,
- receive_data_callback callback, void *user_data);
-typedef void (*datafeed_callback) (struct device *device,
- struct datafeed_packet *packet);
-
struct session {
- /* List of struct device* */
+ /* List of struct sr_device* */
GSList *devices;
/* List of struct analyzer* */
GSList *analyzers;
- /* datafeed callbacks */
+ /* list of receive_data_callback */
GSList *datafeed_callbacks;
GTimeVal starttime;
+ gboolean running;
};
-/* Session setup */
-struct session *session_load(char *filename);
-struct session *session_new(void);
-void session_destroy(void);
-void session_device_clear(void);
-int session_device_add(struct device *device);
-
-/* Protocol analyzers setup */
-void session_pa_clear(void);
-void session_pa_add(struct analyzer *pa);
-
-/* Datafeed setup */
-void session_datafeed_callback_clear(void);
-void session_datafeed_callback_add(datafeed_callback callback);
-
-/* Session control */
-int session_start(void);
-void session_stop(void);
-void session_bus(struct device *device, struct datafeed_packet *packet);
-void make_metadata(char *filename);
-int session_save(char *filename);
-
-/*--- hwcommon.c ------------------------------------------------------------*/
-
-int ezusb_reset(struct libusb_device_handle *hdl, int set_clear);
-int ezusb_install_firmware(libusb_device_handle *hdl, char *filename);
-int ezusb_upload_firmware(libusb_device *dev, int configuration,
- const char *filename);
-
-GSList *list_serial_ports(void);
-int serial_open(const char *pathname, int flags);
-int serial_close(int fd);
-void *serial_backup_params(int fd);
-void serial_restore_params(int fd, void *backup);
-int serial_set_params(int fd, int speed, int bits, int parity, int stopbits, int flowcontrol);
+#include "sigrok-proto.h"
+
+#ifdef __cplusplus
+}
+#endif
#endif