| libsigrok.h | | libsigrok.h | |
| | | | |
| skipping to change at line 20 | | skipping to change at line 20 | |
| * | | * | |
| * This program is distributed in the hope that it will be useful, | | * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | | * GNU General Public License for more details. | |
| * | | * | |
| * You should have received a copy of the GNU General Public License | | * You should have received a copy of the GNU General Public License | |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| */ | | */ | |
| | | | |
|
| #ifndef LIBSIGROK_SIGROK_H | | #ifndef LIBSIGROK_LIBSIGROK_H | |
| #define LIBSIGROK_SIGROK_H | | #define LIBSIGROK_LIBSIGROK_H | |
| | | | |
| #include <stdio.h> | | #include <stdio.h> | |
| #include <sys/time.h> | | #include <sys/time.h> | |
| #include <stdint.h> | | #include <stdint.h> | |
| #include <inttypes.h> | | #include <inttypes.h> | |
| #include <glib.h> | | #include <glib.h> | |
| | | | |
| #ifdef __cplusplus | | #ifdef __cplusplus | |
| extern "C" { | | extern "C" { | |
| #endif | | #endif | |
| | | | |
| skipping to change at line 66 | | skipping to change at line 66 | |
| * return value as used by all other functions to indicate "malloc error". | | * return value as used by all other functions to indicate "malloc error". | |
| * There must be no functions which indicate two different errors via the | | * There must be no functions which indicate two different errors via the | |
| * same return code. | | * same return code. | |
| * | | * | |
| * Also, for compatibility reasons, no defined return codes are ever remove
d | | * Also, for compatibility reasons, no defined return codes are ever remove
d | |
| * or reused for different errors later. You can only add new entries and | | * or reused for different errors later. You can only add new entries and | |
| * return codes, but never remove or redefine existing ones. | | * return codes, but never remove or redefine existing ones. | |
| */ | | */ | |
| | | | |
| /** Status/error codes returned by libsigrok functions. */ | | /** Status/error codes returned by libsigrok functions. */ | |
|
| enum { | | enum sr_error_code { | |
| SR_OK = 0, /**< No error. */ | | SR_OK = 0, /**< No error. */ | |
| SR_ERR = -1, /**< Generic/unspecified error. */ | | SR_ERR = -1, /**< Generic/unspecified error. */ | |
| SR_ERR_MALLOC = -2, /**< Malloc/calloc/realloc error. */ | | SR_ERR_MALLOC = -2, /**< Malloc/calloc/realloc error. */ | |
| SR_ERR_ARG = -3, /**< Function argument error. */ | | SR_ERR_ARG = -3, /**< Function argument error. */ | |
| SR_ERR_BUG = -4, /**< Errors hinting at internal bugs. */ | | SR_ERR_BUG = -4, /**< Errors hinting at internal bugs. */ | |
| SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */ | | SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */ | |
| SR_ERR_NA = -6, /**< Not applicable. */ | | SR_ERR_NA = -6, /**< Not applicable. */ | |
| SR_ERR_DEV_CLOSED = -7, /**< Device is closed, but needs to be open. | | SR_ERR_DEV_CLOSED = -7, /**< Device is closed, but must be open. | |
| */ | | */ | |
| SR_ERR_TIMEOUT = -8, /**< A timeout occurred. */ | | SR_ERR_TIMEOUT = -8, /**< A timeout occurred. */ | |
| | | SR_ERR_CHANNEL_GROUP = -9, /**< A channel group must be specified. * | |
| | | / | |
| | | | |
| /* | | /* | |
| * Note: When adding entries here, don't forget to also update the | | * Note: When adding entries here, don't forget to also update the | |
| * sr_strerror() and sr_strerror_name() functions in error.c. | | * sr_strerror() and sr_strerror_name() functions in error.c. | |
| */ | | */ | |
| }; | | }; | |
| | | | |
|
| #define SR_MAX_PROBENAME_LEN 32 | | #define SR_MAX_CHANNELNAME_LEN 32 | |
| | | | |
| /* Handy little macros */ | | /* Handy little macros */ | |
| #define SR_HZ(n) (n) | | #define SR_HZ(n) (n) | |
| #define SR_KHZ(n) ((n) * (uint64_t)(1000ULL)) | | #define SR_KHZ(n) ((n) * (uint64_t)(1000ULL)) | |
| #define SR_MHZ(n) ((n) * (uint64_t)(1000000ULL)) | | #define SR_MHZ(n) ((n) * (uint64_t)(1000000ULL)) | |
| #define SR_GHZ(n) ((n) * (uint64_t)(1000000000ULL)) | | #define SR_GHZ(n) ((n) * (uint64_t)(1000000000ULL)) | |
| | | | |
| #define SR_HZ_TO_NS(n) ((uint64_t)(1000000000ULL) / (n)) | | #define SR_HZ_TO_NS(n) ((uint64_t)(1000000000ULL) / (n)) | |
| | | | |
| /** libsigrok loglevels. */ | | /** libsigrok loglevels. */ | |
|
| enum { | | enum sr_loglevel { | |
| SR_LOG_NONE = 0, /**< Output no messages at all. */ | | SR_LOG_NONE = 0, /**< Output no messages at all. */ | |
| SR_LOG_ERR = 1, /**< Output error messages. */ | | SR_LOG_ERR = 1, /**< Output error messages. */ | |
| SR_LOG_WARN = 2, /**< Output warnings. */ | | SR_LOG_WARN = 2, /**< Output warnings. */ | |
| SR_LOG_INFO = 3, /**< Output informational messages. */ | | SR_LOG_INFO = 3, /**< Output informational messages. */ | |
| SR_LOG_DBG = 4, /**< Output debug messages. */ | | SR_LOG_DBG = 4, /**< Output debug messages. */ | |
| SR_LOG_SPEW = 5, /**< Output very noisy debug messages. */ | | SR_LOG_SPEW = 5, /**< Output very noisy debug messages. */ | |
| }; | | }; | |
| | | | |
| /* | | /* | |
| * Use SR_API to mark public API symbols, and SR_PRIV for private symbols. | | * Use SR_API to mark public API symbols, and SR_PRIV for private symbols. | |
| | | | |
| skipping to change at line 133 | | skipping to change at line 134 | |
| #define SR_API | | #define SR_API | |
| #endif | | #endif | |
| | | | |
| /* Marks private, non-public libsigrok symbols (not part of the API). */ | | /* Marks private, non-public libsigrok symbols (not part of the API). */ | |
| #ifndef _WIN32 | | #ifndef _WIN32 | |
| #define SR_PRIV __attribute__((visibility("hidden"))) | | #define SR_PRIV __attribute__((visibility("hidden"))) | |
| #else | | #else | |
| #define SR_PRIV | | #define SR_PRIV | |
| #endif | | #endif | |
| | | | |
|
| typedef int (*sr_receive_data_callback_t)(int fd, int revents, void *cb_dat | | /** Type definition for callback function for data reception. */ | |
| a); | | typedef int (*sr_receive_data_callback)(int fd, int revents, void *cb_data) | |
| | | ; | |
| | | | |
| /** Data types used by sr_config_info(). */ | | /** Data types used by sr_config_info(). */ | |
|
| enum { | | enum sr_datatype { | |
| SR_T_UINT64 = 10000, | | SR_T_UINT64 = 10000, | |
|
| SR_T_CHAR, | | SR_T_STRING, | |
| SR_T_BOOL, | | SR_T_BOOL, | |
| SR_T_FLOAT, | | SR_T_FLOAT, | |
| SR_T_RATIONAL_PERIOD, | | SR_T_RATIONAL_PERIOD, | |
| SR_T_RATIONAL_VOLT, | | SR_T_RATIONAL_VOLT, | |
| SR_T_KEYVALUE, | | SR_T_KEYVALUE, | |
| SR_T_UINT64_RANGE, | | SR_T_UINT64_RANGE, | |
| SR_T_DOUBLE_RANGE, | | SR_T_DOUBLE_RANGE, | |
|
| | | SR_T_INT32, | |
| }; | | }; | |
| | | | |
| /** Value for sr_datafeed_packet.type. */ | | /** Value for sr_datafeed_packet.type. */ | |
|
| enum { | | enum sr_packettype { | |
| | | /** Payload is sr_datafeed_header. */ | |
| SR_DF_HEADER = 10000, | | SR_DF_HEADER = 10000, | |
|
| | | /** End of stream (no further data). */ | |
| SR_DF_END, | | SR_DF_END, | |
|
| | | /** Payload is struct sr_datafeed_meta */ | |
| SR_DF_META, | | SR_DF_META, | |
|
| | | /** The trigger matched at this point in the data feed. No payload.
*/ | |
| SR_DF_TRIGGER, | | SR_DF_TRIGGER, | |
|
| | | /** Payload is struct sr_datafeed_logic. */ | |
| SR_DF_LOGIC, | | SR_DF_LOGIC, | |
|
| | | /** Payload is struct sr_datafeed_analog. */ | |
| SR_DF_ANALOG, | | SR_DF_ANALOG, | |
|
| | | /** Beginning of frame. No payload. */ | |
| SR_DF_FRAME_BEGIN, | | SR_DF_FRAME_BEGIN, | |
|
| | | /** End of frame. No payload. */ | |
| SR_DF_FRAME_END, | | SR_DF_FRAME_END, | |
| }; | | }; | |
| | | | |
|
| /** Values for sr_datafeed_analog.mq. */ | | /** Measured quantity, sr_datafeed_analog.mq. */ | |
| enum { | | enum sr_mq { | |
| SR_MQ_VOLTAGE = 10000, | | SR_MQ_VOLTAGE = 10000, | |
| SR_MQ_CURRENT, | | SR_MQ_CURRENT, | |
| SR_MQ_RESISTANCE, | | SR_MQ_RESISTANCE, | |
| SR_MQ_CAPACITANCE, | | SR_MQ_CAPACITANCE, | |
| SR_MQ_TEMPERATURE, | | SR_MQ_TEMPERATURE, | |
| SR_MQ_FREQUENCY, | | SR_MQ_FREQUENCY, | |
|
| | | /** Duty cycle, e.g. on/off ratio. */ | |
| SR_MQ_DUTY_CYCLE, | | SR_MQ_DUTY_CYCLE, | |
|
| | | /** Continuity test. */ | |
| SR_MQ_CONTINUITY, | | SR_MQ_CONTINUITY, | |
| SR_MQ_PULSE_WIDTH, | | SR_MQ_PULSE_WIDTH, | |
| SR_MQ_CONDUCTANCE, | | SR_MQ_CONDUCTANCE, | |
| /** Electrical power, usually in W, or dBm. */ | | /** Electrical power, usually in W, or dBm. */ | |
| SR_MQ_POWER, | | SR_MQ_POWER, | |
| /** Gain (a transistor's gain, or hFE, for example). */ | | /** Gain (a transistor's gain, or hFE, for example). */ | |
| SR_MQ_GAIN, | | SR_MQ_GAIN, | |
| /** Logarithmic representation of sound pressure relative to a | | /** Logarithmic representation of sound pressure relative to a | |
| * reference value. */ | | * reference value. */ | |
| SR_MQ_SOUND_PRESSURE_LEVEL, | | SR_MQ_SOUND_PRESSURE_LEVEL, | |
|
| | | /** Carbon monoxide level */ | |
| SR_MQ_CARBON_MONOXIDE, | | SR_MQ_CARBON_MONOXIDE, | |
|
| | | /** Humidity */ | |
| SR_MQ_RELATIVE_HUMIDITY, | | SR_MQ_RELATIVE_HUMIDITY, | |
|
| | | /** Time */ | |
| | | SR_MQ_TIME, | |
| }; | | }; | |
| | | | |
|
| /** Values for sr_datafeed_analog.unit. */ | | /** Unit of measured quantity, sr_datafeed_analog.unit. */ | |
| enum { | | enum sr_unit { | |
| | | /** Volt */ | |
| SR_UNIT_VOLT = 10000, | | SR_UNIT_VOLT = 10000, | |
|
| | | /** Ampere (current). */ | |
| SR_UNIT_AMPERE, | | SR_UNIT_AMPERE, | |
|
| | | /** Ohm (resistance). */ | |
| SR_UNIT_OHM, | | SR_UNIT_OHM, | |
|
| | | /** Farad (capacity). */ | |
| SR_UNIT_FARAD, | | SR_UNIT_FARAD, | |
|
| | | /** Kelvin (temperature). */ | |
| SR_UNIT_KELVIN, | | SR_UNIT_KELVIN, | |
|
| | | /** Degrees Celsius (temperature). */ | |
| SR_UNIT_CELSIUS, | | SR_UNIT_CELSIUS, | |
|
| | | /** Degrees Fahrenheit (temperature). */ | |
| SR_UNIT_FAHRENHEIT, | | SR_UNIT_FAHRENHEIT, | |
|
| | | /** Hertz (frequency, 1/s, [Hz]). */ | |
| SR_UNIT_HERTZ, | | SR_UNIT_HERTZ, | |
|
| | | /** Percent value. */ | |
| SR_UNIT_PERCENTAGE, | | SR_UNIT_PERCENTAGE, | |
|
| | | /** Boolean value. */ | |
| SR_UNIT_BOOLEAN, | | SR_UNIT_BOOLEAN, | |
|
| | | /** Time in seconds. */ | |
| SR_UNIT_SECOND, | | SR_UNIT_SECOND, | |
| /** Unit of conductance, the inverse of resistance. */ | | /** Unit of conductance, the inverse of resistance. */ | |
| SR_UNIT_SIEMENS, | | SR_UNIT_SIEMENS, | |
| /** | | /** | |
| * An absolute measurement of power, in decibels, referenced to | | * An absolute measurement of power, in decibels, referenced to | |
| * 1 milliwatt (dBu). | | * 1 milliwatt (dBu). | |
| */ | | */ | |
| SR_UNIT_DECIBEL_MW, | | SR_UNIT_DECIBEL_MW, | |
| /** Voltage in decibel, referenced to 1 volt (dBV). */ | | /** Voltage in decibel, referenced to 1 volt (dBV). */ | |
| SR_UNIT_DECIBEL_VOLT, | | SR_UNIT_DECIBEL_VOLT, | |
| | | | |
| skipping to change at line 219 | | skipping to change at line 247 | |
| */ | | */ | |
| SR_UNIT_UNITLESS, | | SR_UNIT_UNITLESS, | |
| /** Sound pressure level relative so 20 micropascals. */ | | /** Sound pressure level relative so 20 micropascals. */ | |
| SR_UNIT_DECIBEL_SPL, | | SR_UNIT_DECIBEL_SPL, | |
| /** | | /** | |
| * Normalized (0 to 1) concentration of a substance or compound with
0 | | * Normalized (0 to 1) concentration of a substance or compound with
0 | |
| * representing a concentration of 0%, and 1 being 100%. This is | | * representing a concentration of 0%, and 1 being 100%. This is | |
| * represented as the fraction of number of particles of the substan
ce. | | * represented as the fraction of number of particles of the substan
ce. | |
| */ | | */ | |
| SR_UNIT_CONCENTRATION, | | SR_UNIT_CONCENTRATION, | |
|
| | | /** Revolutions per minute. */ | |
| SR_UNIT_REVOLUTIONS_PER_MINUTE, | | SR_UNIT_REVOLUTIONS_PER_MINUTE, | |
|
| | | /** Apparent power [VA]. */ | |
| SR_UNIT_VOLT_AMPERE, | | SR_UNIT_VOLT_AMPERE, | |
|
| | | /** Real power [W]. */ | |
| SR_UNIT_WATT, | | SR_UNIT_WATT, | |
|
| | | /** Consumption [Wh]. */ | |
| SR_UNIT_WATT_HOUR, | | SR_UNIT_WATT_HOUR, | |
| }; | | }; | |
| | | | |
| /** Values for sr_datafeed_analog.flags. */ | | /** Values for sr_datafeed_analog.flags. */ | |
|
| enum { | | enum sr_mqflag { | |
| /** Voltage measurement is alternating current (AC). */ | | /** Voltage measurement is alternating current (AC). */ | |
| SR_MQFLAG_AC = 0x01, | | SR_MQFLAG_AC = 0x01, | |
| /** Voltage measurement is direct current (DC). */ | | /** Voltage measurement is direct current (DC). */ | |
| SR_MQFLAG_DC = 0x02, | | SR_MQFLAG_DC = 0x02, | |
| /** This is a true RMS measurement. */ | | /** This is a true RMS measurement. */ | |
| SR_MQFLAG_RMS = 0x04, | | SR_MQFLAG_RMS = 0x04, | |
| /** Value is voltage drop across a diode, or NAN. */ | | /** Value is voltage drop across a diode, or NAN. */ | |
| SR_MQFLAG_DIODE = 0x08, | | SR_MQFLAG_DIODE = 0x08, | |
| /** Device is in "hold" mode (repeating the last measurement). */ | | /** Device is in "hold" mode (repeating the last measurement). */ | |
| SR_MQFLAG_HOLD = 0x10, | | SR_MQFLAG_HOLD = 0x10, | |
| | | | |
| skipping to change at line 269 | | skipping to change at line 301 | |
| SR_MQFLAG_SPL_TIME_WEIGHT_S = 0x2000, | | SR_MQFLAG_SPL_TIME_WEIGHT_S = 0x2000, | |
| /** Sound pressure level measurement is F-weighted (125ms) in the | | /** Sound pressure level measurement is F-weighted (125ms) in the | |
| * time domain. */ | | * time domain. */ | |
| SR_MQFLAG_SPL_TIME_WEIGHT_F = 0x4000, | | SR_MQFLAG_SPL_TIME_WEIGHT_F = 0x4000, | |
| /** Sound pressure level is time-averaged (LAT), also known as | | /** Sound pressure level is time-averaged (LAT), also known as | |
| * Equivalent Continuous A-weighted Sound Level (LEQ). */ | | * Equivalent Continuous A-weighted Sound Level (LEQ). */ | |
| SR_MQFLAG_SPL_LAT = 0x8000, | | SR_MQFLAG_SPL_LAT = 0x8000, | |
| /** Sound pressure level represented as a percentage of measurements | | /** Sound pressure level represented as a percentage of measurements | |
| * that were over a preset alarm level. */ | | * that were over a preset alarm level. */ | |
| SR_MQFLAG_SPL_PCT_OVER_ALARM = 0x10000, | | SR_MQFLAG_SPL_PCT_OVER_ALARM = 0x10000, | |
|
| | | /** Time is duration (as opposed to epoch, ...). */ | |
| | | SR_MQFLAG_DURATION = 0x20000, | |
| | | /** Device is in "avg" mode, averaging upon each new value. */ | |
| | | SR_MQFLAG_AVG = 0x40000, | |
| }; | | }; | |
| | | | |
|
| | | /** | |
| | | * @struct sr_context | |
| | | * Opaque structure representing a libsigrok context. | |
| | | * | |
| | | * None of the fields of this structure are meant to be accessed directly. | |
| | | * | |
| | | * @see sr_init(), sr_exit(). | |
| | | */ | |
| struct sr_context; | | struct sr_context; | |
| | | | |
|
| | | /** Packet in a sigrok data feed. */ | |
| struct sr_datafeed_packet { | | struct sr_datafeed_packet { | |
| uint16_t type; | | uint16_t type; | |
| const void *payload; | | const void *payload; | |
| }; | | }; | |
| | | | |
|
| | | /** Header of a sigrok data feed. */ | |
| struct sr_datafeed_header { | | struct sr_datafeed_header { | |
| int feed_version; | | int feed_version; | |
| struct timeval starttime; | | struct timeval starttime; | |
| }; | | }; | |
| | | | |
|
| | | /** Datafeed payload for type SR_DF_META. */ | |
| struct sr_datafeed_meta { | | struct sr_datafeed_meta { | |
| GSList *config; | | GSList *config; | |
| }; | | }; | |
| | | | |
|
| | | /** Logic datafeed payload for type SR_DF_LOGIC. */ | |
| struct sr_datafeed_logic { | | struct sr_datafeed_logic { | |
| uint64_t length; | | uint64_t length; | |
| uint16_t unitsize; | | uint16_t unitsize; | |
| void *data; | | void *data; | |
| }; | | }; | |
| | | | |
|
| | | /** Analog datafeed payload for type SR_DF_ANALOG. */ | |
| struct sr_datafeed_analog { | | struct sr_datafeed_analog { | |
|
| /** The probes for which data is included in this packet. */ | | /** The channels for which data is included in this packet. */ | |
| GSList *probes; | | GSList *channels; | |
| | | /** Number of samples in data */ | |
| int num_samples; | | int num_samples; | |
|
| /** Measured quantity (voltage, current, temperature, and so on). */ | | /** Measured quantity (voltage, current, temperature, and so on). | |
| | | * Use SR_MQ_VOLTAGE, ... */ | |
| int mq; | | int mq; | |
|
| /** Unit in which the MQ is measured. */ | | /** Unit in which the MQ is measured. Use SR_UNIT_VOLT, ... */ | |
| int unit; | | int unit; | |
|
| /** Bitmap with extra information about the MQ. */ | | /** Bitmap with extra information about the MQ. Use SR_MQFLAG_AC, ..
. */ | |
| uint64_t mqflags; | | uint64_t mqflags; | |
| /** The analog value(s). The data is interleaved according to | | /** The analog value(s). The data is interleaved according to | |
|
| * the probes list. */ | | * the channels list. */ | |
| float *data; | | float *data; | |
| }; | | }; | |
| | | | |
| /** Input (file) format struct. */ | | /** Input (file) format struct. */ | |
| struct sr_input { | | struct sr_input { | |
| /** | | /** | |
| * A pointer to this input format's 'struct sr_input_format'. | | * A pointer to this input format's 'struct sr_input_format'. | |
| * The frontend can use this to call the module's callbacks. | | * The frontend can use this to call the module's callbacks. | |
| */ | | */ | |
| struct sr_input_format *format; | | struct sr_input_format *format; | |
| | | | |
| GHashTable *param; | | GHashTable *param; | |
| | | | |
| struct sr_dev_inst *sdi; | | struct sr_dev_inst *sdi; | |
| | | | |
| void *internal; | | void *internal; | |
| }; | | }; | |
| | | | |
|
| | | /** Input (file) format driver. */ | |
| struct sr_input_format { | | struct sr_input_format { | |
| /** The unique ID for this input format. Must not be NULL. */ | | /** The unique ID for this input format. Must not be NULL. */ | |
| char *id; | | char *id; | |
| | | | |
| /** | | /** | |
| * A short description of the input format, which can (for example) | | * A short description of the input format, which can (for example) | |
| * be displayed to the user by frontends. Must not be NULL. | | * be displayed to the user by frontends. Must not be NULL. | |
| */ | | */ | |
| char *description; | | char *description; | |
| | | | |
| /** | | /** | |
| * Check if this input module can load and parse the specified file. | | * Check if this input module can load and parse the specified file. | |
| * | | * | |
|
| * @param filename The name (and path) of the file to check. | | * @param[in] filename The name (and path) of the file to check. | |
| * | | * | |
|
| * @return TRUE if this module knows the format, FALSE if it doesn't | | * @retval TRUE This module knows the format. | |
| . | | * @retval FALSE This module does not know the format. | |
| */ | | */ | |
| int (*format_match) (const char *filename); | | int (*format_match) (const char *filename); | |
| | | | |
| /** | | /** | |
| * Initialize the input module. | | * Initialize the input module. | |
| * | | * | |
| * @param in A pointer to a valid 'struct sr_input' that the caller | | * @param in A pointer to a valid 'struct sr_input' that the caller | |
| * has to allocate and provide to this function. It is als
o | | * has to allocate and provide to this function. It is als
o | |
| * the responsibility of the caller to free it later. | | * the responsibility of the caller to free it later. | |
|
| * @param filename The name (and path) of the file to use. | | * @param[in] filename The name (and path) of the file to use. | |
| * | | * | |
|
| * @return SR_OK upon success, a negative error code upon failure. | | * @retval SR_OK Success | |
| | | * @retval other Negative error code. | |
| */ | | */ | |
| int (*init) (struct sr_input *in, const char *filename); | | int (*init) (struct sr_input *in, const char *filename); | |
| | | | |
| /** | | /** | |
| * Load a file, parsing the input according to the file's format. | | * Load a file, parsing the input according to the file's format. | |
| * | | * | |
| * This function will send datafeed packets to the session bus, so | | * This function will send datafeed packets to the session bus, so | |
| * the calling frontend must have registered its session callbacks | | * the calling frontend must have registered its session callbacks | |
| * beforehand. | | * beforehand. | |
| * | | * | |
| * The packet types sent across the session bus by this function mus
t | | * The packet types sent across the session bus by this function mus
t | |
| * include at least SR_DF_HEADER, SR_DF_END, and an appropriate data | | * include at least SR_DF_HEADER, SR_DF_END, and an appropriate data | |
| * type such as SR_DF_LOGIC. It may also send a SR_DF_TRIGGER packet | | * type such as SR_DF_LOGIC. It may also send a SR_DF_TRIGGER packet | |
| * if appropriate. | | * if appropriate. | |
| * | | * | |
| * @param in A pointer to a valid 'struct sr_input' that the caller | | * @param in A pointer to a valid 'struct sr_input' that the caller | |
| * has to allocate and provide to this function. It is als
o | | * has to allocate and provide to this function. It is als
o | |
| * the responsibility of the caller to free it later. | | * the responsibility of the caller to free it later. | |
| * @param filename The name (and path) of the file to use. | | * @param filename The name (and path) of the file to use. | |
| * | | * | |
|
| * @return SR_OK upon success, a negative error code upon failure. | | * @retval SR_OK Success | |
| | | * @retval other Negative error code. | |
| */ | | */ | |
| int (*loadfile) (struct sr_input *in, const char *filename); | | int (*loadfile) (struct sr_input *in, const char *filename); | |
| }; | | }; | |
| | | | |
| /** Output (file) format struct. */ | | /** Output (file) format struct. */ | |
| struct sr_output { | | struct sr_output { | |
|
| /** | | /** A pointer to this output's format. */ | |
| * A pointer to this output format's 'struct sr_output_format'. | | | |
| * The frontend can use this to call the module's callbacks. | | | |
| */ | | | |
| struct sr_output_format *format; | | struct sr_output_format *format; | |
| | | | |
| /** | | /** | |
| * The device for which this output module is creating output. This | | * The device for which this output module is creating output. This | |
|
| * can be used by the module to find out probe names and numbers. | | * can be used by the module to find out channel names and numbers. | |
| */ | | */ | |
|
| struct sr_dev_inst *sdi; | | const struct sr_dev_inst *sdi; | |
| | | | |
| /** | | /** | |
| * An optional parameter which the frontend can pass in to the | | * An optional parameter which the frontend can pass in to the | |
| * output module. How the string is interpreted is entirely up to | | * output module. How the string is interpreted is entirely up to | |
| * the module. | | * the module. | |
| */ | | */ | |
|
| char *param; | | GHashTable *params; | |
| | | | |
| /** | | /** | |
| * A generic pointer which can be used by the module to keep interna
l | | * A generic pointer which can be used by the module to keep interna
l | |
| * state between calls into its callback functions. | | * state between calls into its callback functions. | |
| * | | * | |
| * For example, the module might store a pointer to a chunk of outpu
t | | * For example, the module might store a pointer to a chunk of outpu
t | |
| * there, and only flush it when it reaches a certain size. | | * there, and only flush it when it reaches a certain size. | |
| */ | | */ | |
| void *internal; | | void *internal; | |
| }; | | }; | |
| | | | |
|
| | | /** Output (file) format driver. */ | |
| struct sr_output_format { | | struct sr_output_format { | |
| /** | | /** | |
| * A unique ID for this output format. Must not be NULL. | | * A unique ID for this output format. Must not be NULL. | |
| * | | * | |
| * It can be used by frontends to select this output format for use. | | * It can be used by frontends to select this output format for use. | |
| * | | * | |
| * For example, calling sigrok-cli with <code>-O hex</code> will | | * For example, calling sigrok-cli with <code>-O hex</code> will | |
| * select the hexadecimal text output format. | | * select the hexadecimal text output format. | |
| */ | | */ | |
| char *id; | | char *id; | |
| | | | |
| /** | | /** | |
| * A short description of the output format. Must not be NULL. | | * A short description of the output format. Must not be NULL. | |
| * | | * | |
| * This can be displayed by frontends, e.g. when selecting the outpu
t | | * This can be displayed by frontends, e.g. when selecting the outpu
t | |
| * format for saving a file. | | * format for saving a file. | |
| */ | | */ | |
| char *description; | | char *description; | |
| | | | |
|
| int df_type; | | | |
| | | | |
| /** | | /** | |
| * This function is called once, at the beginning of an output strea
m. | | * This function is called once, at the beginning of an output strea
m. | |
| * | | * | |
| * The device struct will be available in the output struct passed i
n, | | * The device struct will be available in the output struct passed i
n, | |
| * as well as the param field -- which may be NULL or an empty strin
g, | | * as well as the param field -- which may be NULL or an empty strin
g, | |
| * if no parameter was passed. | | * if no parameter was passed. | |
| * | | * | |
| * The module can use this to initialize itself, create a struct for | | * The module can use this to initialize itself, create a struct for | |
| * keeping state and storing it in the <code>internal</code> field. | | * keeping state and storing it in the <code>internal</code> field. | |
| * | | * | |
| * @param o Pointer to the respective 'struct sr_output'. | | * @param o Pointer to the respective 'struct sr_output'. | |
| * | | * | |
|
| * @return SR_OK upon success, a negative error code otherwise. | | * @retval SR_OK Success | |
| | | * @retval other Negative error code. | |
| */ | | */ | |
| int (*init) (struct sr_output *o); | | int (*init) (struct sr_output *o); | |
| | | | |
| /** | | /** | |
|
| * Whenever a chunk of data comes in, it will be passed to the | | | |
| * output module via this function. The <code>data_in</code> and | | | |
| * <code>length_in</code> values refers to this data; the module | | | |
| * must not alter or g_free() this buffer. | | | |
| * | | | |
| * The function must allocate a buffer for storing its output, and | | | |
| * pass along a pointer to this buffer in the <code>data_out</code> | | | |
| * parameter, as well as storing the length of the buffer in | | | |
| * <code>length_out</code>. The calling frontend will g_free() | | | |
| * this buffer when it's done with it. | | | |
| * | | | |
| * IMPORTANT: The memory allocation much happen using a glib memory | | | |
| * allocation call (not a "normal" malloc) since g_free() will be | | | |
| * used to free the memory! | | | |
| * | | | |
| * If there is no output, this function MUST store NULL in the | | | |
| * <code>data_out</code> parameter, so the caller knows not to try | | | |
| * and g_free() it. | | | |
| * | | | |
| * Note: This API call is obsolete, use receive() instead. | | | |
| * | | | |
| * @param o Pointer to the respective 'struct sr_output'. | | | |
| * @param data_in Pointer to the input data buffer. | | | |
| * @param length_in Length of the input. | | | |
| * @param data_out Pointer to the allocated output buffer. | | | |
| * @param length_out Length (in bytes) of the output. | | | |
| * | | | |
| * @return SR_OK upon success, a negative error code otherwise. | | | |
| */ | | | |
| int (*data) (struct sr_output *o, const uint8_t *data_in, | | | |
| uint64_t length_in, uint8_t **data_out, | | | |
| uint64_t *length_out); | | | |
| | | | |
| /** | | | |
| * This function is called when an event occurs in the datafeed | | | |
| * which the output module may need to be aware of. No data is | | | |
| * passed in, only the fact that the event occurs. The following | | | |
| * events can currently be passed in: | | | |
| * | | | |
| * - SR_DF_TRIGGER: At this point in the datafeed, the trigger | | | |
| * matched. The output module may mark this in some way, e.g. by | | | |
| * plotting a red line on a graph. | | | |
| * | | | |
| * - SR_DF_END: This marks the end of the datafeed. No more calls | | | |
| * into the output module will be done, so this is a good time to | | | |
| * free up any memory used to keep state, for example. | | | |
| * | | | |
| * Any output generated by this function must have a reference to | | | |
| * it stored in the <code>data_out</code> and <code>length_out</code | | | |
| > | | | |
| * parameters, or NULL if no output was generated. | | | |
| * | | | |
| * Note: This API call is obsolete, use receive() instead. | | | |
| * | | | |
| * @param o Pointer to the respective 'struct sr_output'. | | | |
| * @param event_type Type of event that occured. | | | |
| * @param data_out Pointer to the allocated output buffer. | | | |
| * @param length_out Length (in bytes) of the output. | | | |
| * | | | |
| * @return SR_OK upon success, a negative error code otherwise. | | | |
| */ | | | |
| int (*event) (struct sr_output *o, int event_type, uint8_t **data_ou | | | |
| t, | | | |
| uint64_t *length_out); | | | |
| | | | |
| /** | | | |
| * This function is passed a copy of every packed in the data feed. | | * This function is passed a copy of every packed in the data feed. | |
| * Any output generated by the output module in response to the | | * Any output generated by the output module in response to the | |
| * packet should be returned in a newly allocated GString | | * packet should be returned in a newly allocated GString | |
| * <code>out</code>, which will be freed by the caller. | | * <code>out</code>, which will be freed by the caller. | |
| * | | * | |
| * Packets not of interest to the output module can just be ignored, | | * Packets not of interest to the output module can just be ignored, | |
| * and the <code>out</code> parameter set to NULL. | | * and the <code>out</code> parameter set to NULL. | |
| * | | * | |
| * @param o Pointer to the respective 'struct sr_output'. | | * @param o Pointer to the respective 'struct sr_output'. | |
| * @param sdi The device instance that generated the packet. | | * @param sdi The device instance that generated the packet. | |
| * @param packet The complete packet. | | * @param packet The complete packet. | |
| * @param out A pointer where a GString * should be stored if | | * @param out A pointer where a GString * should be stored if | |
| * the module generates output, or NULL if not. | | * the module generates output, or NULL if not. | |
| * | | * | |
|
| * @return SR_OK upon success, a negative error code otherwise. | | * @retval SR_OK Success | |
| | | * @retval other Negative error code. | |
| */ | | */ | |
|
| int (*receive) (struct sr_output *o, const struct sr_dev_inst *sdi, | | int (*receive) (struct sr_output *o, | |
| const struct sr_datafeed_packet *packet, GString **o
ut); | | const struct sr_datafeed_packet *packet, GString **o
ut); | |
| | | | |
| /** | | /** | |
| * This function is called after the caller is finished using | | * This function is called after the caller is finished using | |
| * the output module, and can be used to free any internal | | * the output module, and can be used to free any internal | |
| * resources the module may keep. | | * resources the module may keep. | |
| * | | * | |
|
| * @return SR_OK upon success, a negative error code otherwise. | | * @retval SR_OK Success | |
| | | * @retval other Negative error code. | |
| */ | | */ | |
| int (*cleanup) (struct sr_output *o); | | int (*cleanup) (struct sr_output *o); | |
| }; | | }; | |
| | | | |
|
| enum { | | /** Constants for channel type. */ | |
| SR_PROBE_LOGIC = 10000, | | enum sr_channeltype { | |
| SR_PROBE_ANALOG, | | /** Channel type is logic channel. */ | |
| | | SR_CHANNEL_LOGIC = 10000, | |
| | | /** Channel type is analog channel. */ | |
| | | SR_CHANNEL_ANALOG, | |
| }; | | }; | |
| | | | |
|
| struct sr_probe { | | /** Information on single channel. */ | |
| /* The index field will go: use g_slist_length(sdi->probes) instead. | | struct sr_channel { | |
| */ | | /** Number of channels, starting at 0. */ | |
| int index; | | int index; | |
|
| | | /** Channel type (SR_CHANNEL_LOGIC, ...) */ | |
| int type; | | int type; | |
|
| | | /** Is this channel enabled? */ | |
| gboolean enabled; | | gboolean enabled; | |
|
| | | /** Name of channel. */ | |
| char *name; | | char *name; | |
|
| | | /** Trigger string, format like used by sigrok-cli */ | |
| char *trigger; | | char *trigger; | |
| }; | | }; | |
| | | | |
|
| | | /** Structure for groups of channels that have common properties. */ | |
| | | struct sr_channel_group { | |
| | | /** Name of the channel group. */ | |
| | | char *name; | |
| | | /** List of sr_channel structs of the channels belonging to this gro | |
| | | up. */ | |
| | | GSList *channels; | |
| | | /** Private data for driver use. */ | |
| | | void *priv; | |
| | | }; | |
| | | | |
| | | /** Used for setting or getting value of a config item. */ | |
| struct sr_config { | | struct sr_config { | |
|
| | | /** Config key like SR_CONF_CONN, etc. */ | |
| int key; | | int key; | |
|
| | | /** Key-specific data. */ | |
| GVariant *data; | | GVariant *data; | |
| }; | | }; | |
| | | | |
|
| | | /** Information about a config key. */ | |
| struct sr_config_info { | | struct sr_config_info { | |
|
| | | /** Config key like SR_CONF_CONN, etc. */ | |
| int key; | | int key; | |
|
| | | /** Data type like SR_T_STRING, etc. */ | |
| int datatype; | | int datatype; | |
|
| | | /** Id string, e.g. "serialcomm". */ | |
| char *id; | | char *id; | |
|
| | | /** Name, e.g. "Serial communication". */ | |
| char *name; | | char *name; | |
|
| | | /** Verbose description (unused currently). */ | |
| char *description; | | char *description; | |
| }; | | }; | |
| | | | |
|
| enum { | | /** Constants for device classes */ | |
| | | enum sr_configkey { | |
| /*--- Device classes -----------------------------------------------
-*/ | | /*--- Device classes -----------------------------------------------
-*/ | |
| | | | |
| /** The device can act as logic analyzer. */ | | /** The device can act as logic analyzer. */ | |
| SR_CONF_LOGIC_ANALYZER = 10000, | | SR_CONF_LOGIC_ANALYZER = 10000, | |
| | | | |
| /** The device can act as an oscilloscope. */ | | /** The device can act as an oscilloscope. */ | |
| SR_CONF_OSCILLOSCOPE, | | SR_CONF_OSCILLOSCOPE, | |
| | | | |
| /** The device can act as a multimeter. */ | | /** The device can act as a multimeter. */ | |
| SR_CONF_MULTIMETER, | | SR_CONF_MULTIMETER, | |
| | | | |
| skipping to change at line 592 | | skipping to change at line 610 | |
| | | | |
| /** The device can measure temperature. */ | | /** The device can measure temperature. */ | |
| SR_CONF_THERMOMETER, | | SR_CONF_THERMOMETER, | |
| | | | |
| /** The device can measure humidity. */ | | /** The device can measure humidity. */ | |
| SR_CONF_HYGROMETER, | | SR_CONF_HYGROMETER, | |
| | | | |
| /** The device can measure energy consumption. */ | | /** The device can measure energy consumption. */ | |
| SR_CONF_ENERGYMETER, | | SR_CONF_ENERGYMETER, | |
| | | | |
|
| | | /** The device can demodulate signals. */ | |
| | | SR_CONF_DEMODULATOR, | |
| | | | |
| | | /** Programmable power supply. */ | |
| | | SR_CONF_POWER_SUPPLY, | |
| | | | |
| /*--- Driver scan options ------------------------------------------
-*/ | | /*--- Driver scan options ------------------------------------------
-*/ | |
| | | | |
| /** | | /** | |
| * Specification on how to connect to a device. | | * Specification on how to connect to a device. | |
| * | | * | |
| * In combination with SR_CONF_SERIALCOMM, this is a serial port in | | * In combination with SR_CONF_SERIALCOMM, this is a serial port in | |
| * the form which makes sense to the OS (e.g., /dev/ttyS0). | | * the form which makes sense to the OS (e.g., /dev/ttyS0). | |
| * Otherwise this specifies a USB device, either in the form of | | * Otherwise this specifies a USB device, either in the form of | |
| * @verbatim <bus>.<address> @endverbatim (decimal, e.g. 1.65) or | | * @verbatim <bus>.<address> @endverbatim (decimal, e.g. 1.65) or | |
| * @verbatim <vendorid>.<productid> @endverbatim | | * @verbatim <vendorid>.<productid> @endverbatim | |
| | | | |
| skipping to change at line 695 | | skipping to change at line 719 | |
| | | | |
| /** Max hold mode. */ | | /** Max hold mode. */ | |
| SR_CONF_HOLD_MAX, | | SR_CONF_HOLD_MAX, | |
| | | | |
| /** Min hold mode. */ | | /** Min hold mode. */ | |
| SR_CONF_HOLD_MIN, | | SR_CONF_HOLD_MIN, | |
| | | | |
| /** Logic low-high threshold range. */ | | /** Logic low-high threshold range. */ | |
| SR_CONF_VOLTAGE_THRESHOLD, | | SR_CONF_VOLTAGE_THRESHOLD, | |
| | | | |
|
| /** The device supports using a external clock. */ | | /** The device supports using an external clock. */ | |
| SR_CONF_EXTERNAL_CLOCK, | | SR_CONF_EXTERNAL_CLOCK, | |
| | | | |
| /** | | /** | |
| * The device supports swapping channels. Typical this is between | | * The device supports swapping channels. Typical this is between | |
| * buffered and unbuffered channels. | | * buffered and unbuffered channels. | |
| */ | | */ | |
| SR_CONF_SWAP, | | SR_CONF_SWAP, | |
| | | | |
|
| | | /** Center frequency. | |
| | | * The input signal is downmixed by this frequency before the ADC | |
| | | * anti-aliasing filter. | |
| | | */ | |
| | | SR_CONF_CENTER_FREQUENCY, | |
| | | | |
| | | /** The device supports setting the number of logic channels. */ | |
| | | SR_CONF_NUM_LOGIC_CHANNELS, | |
| | | | |
| | | /** The device supports setting the number of analog channels. */ | |
| | | SR_CONF_NUM_ANALOG_CHANNELS, | |
| | | | |
| | | /** Output voltage. */ | |
| | | SR_CONF_OUTPUT_VOLTAGE, | |
| | | | |
| | | /** Maximum output voltage. */ | |
| | | SR_CONF_OUTPUT_VOLTAGE_MAX, | |
| | | | |
| | | /** Output current. */ | |
| | | SR_CONF_OUTPUT_CURRENT, | |
| | | | |
| | | /** Maximum output current. */ | |
| | | SR_CONF_OUTPUT_CURRENT_MAX, | |
| | | | |
| | | /** Enabling/disabling output. */ | |
| | | SR_CONF_OUTPUT_ENABLED, | |
| | | | |
| | | /** Channel output configuration. */ | |
| | | SR_CONF_OUTPUT_CHANNEL, | |
| | | | |
| | | /** Over-voltage protection (OVP) */ | |
| | | SR_CONF_OVER_VOLTAGE_PROTECTION, | |
| | | | |
| | | /** Over-current protection (OCP) */ | |
| | | SR_CONF_OVER_CURRENT_PROTECTION, | |
| | | | |
| | | /** Choice of clock edge for external clock ("r" or "f"). */ | |
| | | SR_CONF_CLOCK_EDGE, | |
| | | | |
| /*--- Special stuff ------------------------------------------------
-*/ | | /*--- Special stuff ------------------------------------------------
-*/ | |
| | | | |
| /** Scan options supported by the driver. */ | | /** Scan options supported by the driver. */ | |
| SR_CONF_SCAN_OPTIONS = 40000, | | SR_CONF_SCAN_OPTIONS = 40000, | |
| | | | |
| /** Device options for a particular device. */ | | /** Device options for a particular device. */ | |
| SR_CONF_DEVICE_OPTIONS, | | SR_CONF_DEVICE_OPTIONS, | |
| | | | |
| /** Session filename. */ | | /** Session filename. */ | |
| SR_CONF_SESSIONFILE, | | SR_CONF_SESSIONFILE, | |
| | | | |
| /** The device supports specifying a capturefile to inject. */ | | /** The device supports specifying a capturefile to inject. */ | |
| SR_CONF_CAPTUREFILE, | | SR_CONF_CAPTUREFILE, | |
| | | | |
| /** The device supports specifying the capturefile unit size. */ | | /** The device supports specifying the capturefile unit size. */ | |
| SR_CONF_CAPTURE_UNITSIZE, | | SR_CONF_CAPTURE_UNITSIZE, | |
| | | | |
|
| /** The device supports setting the number of probes. */ | | | |
| SR_CONF_CAPTURE_NUM_PROBES, | | | |
| | | | |
| /** Power off the device. */ | | /** Power off the device. */ | |
| SR_CONF_POWER_OFF, | | SR_CONF_POWER_OFF, | |
| | | | |
|
| /** Data source for acquisition. If not present, acquisition from | | /** | |
| | | * Data source for acquisition. If not present, acquisition from | |
| * the device is always "live", i.e. acquisition starts when the | | * the device is always "live", i.e. acquisition starts when the | |
| * frontend asks and the results are sent out as soon as possible. | | * frontend asks and the results are sent out as soon as possible. | |
| * | | * | |
| * If present, it indicates that either the device has no live | | * If present, it indicates that either the device has no live | |
| * acquisition capability (for example a pure data logger), or | | * acquisition capability (for example a pure data logger), or | |
| * there is a choice. sr_config_list() returns those choices. | | * there is a choice. sr_config_list() returns those choices. | |
| * | | * | |
| * In any case if a device has live acquisition capabilities, it | | * In any case if a device has live acquisition capabilities, it | |
|
| * is always the default. */ | | * is always the default. | |
| | | */ | |
| SR_CONF_DATA_SOURCE, | | SR_CONF_DATA_SOURCE, | |
| | | | |
| /*--- Acquisition modes --------------------------------------------
-*/ | | /*--- Acquisition modes --------------------------------------------
-*/ | |
| | | | |
| /** | | /** | |
| * The device supports setting a sample time limit (how long | | * The device supports setting a sample time limit (how long | |
| * the sample acquisition should run, in ms). | | * the sample acquisition should run, in ms). | |
| */ | | */ | |
| SR_CONF_LIMIT_MSEC = 50000, | | SR_CONF_LIMIT_MSEC = 50000, | |
| | | | |
| | | | |
| skipping to change at line 769 | | skipping to change at line 831 | |
| /** | | /** | |
| * The device supports continuous sampling. Neither a time limit | | * The device supports continuous sampling. Neither a time limit | |
| * nor a sample number limit has to be supplied, it will just acquir
e | | * nor a sample number limit has to be supplied, it will just acquir
e | |
| * samples continuously, until explicitly stopped by a certain comma
nd. | | * samples continuously, until explicitly stopped by a certain comma
nd. | |
| */ | | */ | |
| SR_CONF_CONTINUOUS, | | SR_CONF_CONTINUOUS, | |
| | | | |
| /** The device has internal storage, into which data is logged. This | | /** The device has internal storage, into which data is logged. This | |
| * starts or stops the internal logging. */ | | * starts or stops the internal logging. */ | |
| SR_CONF_DATALOG, | | SR_CONF_DATALOG, | |
|
| | | | |
| | | /** Device mode for multi-function devices. */ | |
| | | SR_CONF_DEVICE_MODE, | |
| | | | |
| | | /** Self test mode. */ | |
| | | SR_CONF_TEST_MODE, | |
| }; | | }; | |
| | | | |
|
| | | /** Device instance data | |
| | | */ | |
| struct sr_dev_inst { | | struct sr_dev_inst { | |
|
| | | /** Device driver. */ | |
| struct sr_dev_driver *driver; | | struct sr_dev_driver *driver; | |
|
| | | /** Index of device in driver. */ | |
| int index; | | int index; | |
|
| | | /** Device instance status. SR_ST_NOT_FOUND, etc. */ | |
| int status; | | int status; | |
|
| | | /** Device instance type. SR_INST_USB, etc. */ | |
| int inst_type; | | int inst_type; | |
|
| | | /** Device vendor. */ | |
| char *vendor; | | char *vendor; | |
|
| | | /** Device model. */ | |
| char *model; | | char *model; | |
|
| | | /** Device version. */ | |
| char *version; | | char *version; | |
|
| GSList *probes; | | /** List of channels. */ | |
| | | GSList *channels; | |
| | | /** List of sr_channel_group structs */ | |
| | | GSList *channel_groups; | |
| | | /** Device instance connection data (used?) */ | |
| void *conn; | | void *conn; | |
|
| | | /** Device instance private data (used?) */ | |
| void *priv; | | void *priv; | |
| }; | | }; | |
| | | | |
|
| /** Types of device instances (sr_dev_inst). */ | | /** Types of device instance, struct sr_dev_inst.type */ | |
| enum { | | enum sr_dev_inst_type { | |
| /** Device instance type for USB devices. */ | | /** Device instance type for USB devices. */ | |
| SR_INST_USB = 10000, | | SR_INST_USB = 10000, | |
| /** Device instance type for serial port devices. */ | | /** Device instance type for serial port devices. */ | |
| SR_INST_SERIAL, | | SR_INST_SERIAL, | |
|
| | | /** Device instance type for SCPI devices. */ | |
| | | SR_INST_SCPI, | |
| }; | | }; | |
| | | | |
|
| /** Device instance status. */ | | /** Device instance status, struct sr_dev_inst.status */ | |
| enum { | | enum sr_dev_inst_status { | |
| /** The device instance was not found. */ | | /** The device instance was not found. */ | |
| SR_ST_NOT_FOUND = 10000, | | SR_ST_NOT_FOUND = 10000, | |
| /** The device instance was found, but is still booting. */ | | /** The device instance was found, but is still booting. */ | |
| SR_ST_INITIALIZING, | | SR_ST_INITIALIZING, | |
| /** The device instance is live, but not in use. */ | | /** The device instance is live, but not in use. */ | |
| SR_ST_INACTIVE, | | SR_ST_INACTIVE, | |
| /** The device instance is actively in use in a session. */ | | /** The device instance is actively in use in a session. */ | |
| SR_ST_ACTIVE, | | SR_ST_ACTIVE, | |
| /** The device is winding down its session. */ | | /** The device is winding down its session. */ | |
| SR_ST_STOPPING, | | SR_ST_STOPPING, | |
| }; | | }; | |
| | | | |
|
| | | /** Device driver data. See also http://sigrok.org/wiki/Hardware_driver_API
. */ | |
| struct sr_dev_driver { | | struct sr_dev_driver { | |
| /* Driver-specific */ | | /* Driver-specific */ | |
|
| | | /** Driver name. Lowercase a-z, 0-9 and dashes (-) only. */ | |
| char *name; | | char *name; | |
|
| | | /** Long name. Verbose driver name shown to user. */ | |
| char *longname; | | char *longname; | |
|
| | | /** API version (currently 1). */ | |
| int api_version; | | int api_version; | |
|
| | | /** Called when driver is loaded, e.g. program startup. */ | |
| int (*init) (struct sr_context *sr_ctx); | | int (*init) (struct sr_context *sr_ctx); | |
|
| | | /** Called before driver is unloaded. | |
| | | * Driver must free all resouces held by it. */ | |
| int (*cleanup) (void); | | int (*cleanup) (void); | |
|
| | | /** Scan for devices. Driver should do all initialisation required. | |
| | | * Can be called several times, e.g. with different port options. | |
| | | * \retval NULL Error or no devices found. | |
| | | * \retval other GSList of a struct sr_dev_inst for each device. | |
| | | * Must be freed by caller! | |
| | | */ | |
| GSList *(*scan) (GSList *options); | | GSList *(*scan) (GSList *options); | |
|
| | | /** Get list of device instances the driver knows about. | |
| | | * \returns NULL or GSList of a struct sr_dev_inst for each device. | |
| | | * Must not be freed by caller! | |
| | | */ | |
| GSList *(*dev_list) (void); | | GSList *(*dev_list) (void); | |
|
| | | /** Clear list of devices the driver knows about. */ | |
| int (*dev_clear) (void); | | int (*dev_clear) (void); | |
|
| | | /** Query value of a configuration key in driver or given device ins | |
| | | tance. | |
| | | * @see sr_config_get(). | |
| | | */ | |
| int (*config_get) (int id, GVariant **data, | | int (*config_get) (int id, GVariant **data, | |
|
| const struct sr_dev_inst *sdi); | | const struct sr_dev_inst *sdi, | |
| | | const struct sr_channel_group *cg); | |
| | | /** Set value of a configuration key in driver or a given device ins | |
| | | tance. | |
| | | * @see sr_config_set(). */ | |
| int (*config_set) (int id, GVariant *data, | | int (*config_set) (int id, GVariant *data, | |
|
| const struct sr_dev_inst *sdi); | | const struct sr_dev_inst *sdi, | |
| | | const struct sr_channel_group *cg); | |
| | | /** Channel status change. | |
| | | * @see sr_dev_channel_enable(), sr_dev_trigger_set(). */ | |
| | | int (*config_channel_set) (const struct sr_dev_inst *sdi, | |
| | | struct sr_channel *ch, unsigned int changes); | |
| | | /** Apply configuration settings to the device hardware. | |
| | | * @see sr_config_commit().*/ | |
| | | int (*config_commit) (const struct sr_dev_inst *sdi); | |
| | | /** List all possible values for a configuration key in a device ins | |
| | | tance. | |
| | | * @see sr_config_list(). | |
| | | */ | |
| int (*config_list) (int info_id, GVariant **data, | | int (*config_list) (int info_id, GVariant **data, | |
|
| const struct sr_dev_inst *sdi); | | const struct sr_dev_inst *sdi, | |
| | | const struct sr_channel_group *cg); | |
| | | | |
| /* Device-specific */ | | /* Device-specific */ | |
|
| | | /** Open device */ | |
| int (*dev_open) (struct sr_dev_inst *sdi); | | int (*dev_open) (struct sr_dev_inst *sdi); | |
|
| | | /** Close device */ | |
| int (*dev_close) (struct sr_dev_inst *sdi); | | int (*dev_close) (struct sr_dev_inst *sdi); | |
|
| | | /** Begin data acquisition on the specified device. */ | |
| int (*dev_acquisition_start) (const struct sr_dev_inst *sdi, | | int (*dev_acquisition_start) (const struct sr_dev_inst *sdi, | |
| void *cb_data); | | void *cb_data); | |
|
| | | /** End data acquisition on the specified device. */ | |
| int (*dev_acquisition_stop) (struct sr_dev_inst *sdi, | | int (*dev_acquisition_stop) (struct sr_dev_inst *sdi, | |
| void *cb_data); | | void *cb_data); | |
| | | | |
| /* Dynamic */ | | /* Dynamic */ | |
|
| | | /** Device driver private data. Initialized by init(). */ | |
| void *priv; | | void *priv; | |
| }; | | }; | |
| | | | |
|
| struct sr_session { | | /** | |
| /** List of struct sr_dev pointers. */ | | * @struct sr_session | |
| GSList *devs; | | * | |
| /** List of struct datafeed_callback pointers. */ | | * Opaque data structure representing a libsigrok session. None of the fiel | |
| GSList *datafeed_callbacks; | | ds | |
| GTimeVal starttime; | | * of this structure are meant to be accessed directly. | |
| gboolean running; | | */ | |
| | | struct sr_session; | |
| unsigned int num_sources; | | | |
| | | | |
| /* | | | |
| * Both "sources" and "pollfds" are of the same size and contain pai | | | |
| rs | | | |
| * of descriptor and callback function. We can not embed the GPollFD | | | |
| * into the source struct since we want to be able to pass the array | | | |
| * of all poll descriptors to g_poll(). | | | |
| */ | | | |
| struct source *sources; | | | |
| GPollFD *pollfds; | | | |
| int source_timeout; | | | |
| | | | |
| /* | | | |
| * These are our synchronization primitives for stopping the session | | | |
| in | | | |
| * an async fashion. We need to make sure the session is stopped fro | | | |
| m | | | |
| * within the session thread itself. | | | |
| */ | | | |
| GMutex stop_mutex; | | | |
| gboolean abort_session; | | | |
| }; | | | |
| | | | |
| #include "proto.h" | | #include "proto.h" | |
| #include "version.h" | | #include "version.h" | |
| | | | |
| #ifdef __cplusplus | | #ifdef __cplusplus | |
| } | | } | |
| #endif | | #endif | |
| | | | |
| #endif | | #endif | |
| | | | |
End of changes. 122 change blocks. |
| 168 lines changed or deleted | | 271 lines changed or added | |
|
| proto.h | | proto.h | |
| | | | |
| skipping to change at line 20 | | skipping to change at line 20 | |
| * | | * | |
| * This program is distributed in the hope that it will be useful, | | * This program is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| * GNU General Public License for more details. | | * GNU General Public License for more details. | |
| * | | * | |
| * You should have received a copy of the GNU General Public License | | * You should have received a copy of the GNU General Public License | |
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| */ | | */ | |
| | | | |
|
| #ifndef LIBSIGROK_SIGROK_PROTO_H | | #ifndef LIBSIGROK_PROTO_H | |
| #define LIBSIGROK_SIGROK_PROTO_H | | #define LIBSIGROK_PROTO_H | |
| | | | |
| /** | | /** | |
| * @file | | * @file | |
| * | | * | |
| * Header file containing API function prototypes. | | * Header file containing API function prototypes. | |
| */ | | */ | |
| | | | |
| /*--- backend.c -----------------------------------------------------------
--*/ | | /*--- backend.c -----------------------------------------------------------
--*/ | |
| | | | |
| SR_API int sr_init(struct sr_context **ctx); | | SR_API int sr_init(struct sr_context **ctx); | |
| SR_API int sr_exit(struct sr_context *ctx); | | SR_API int sr_exit(struct sr_context *ctx); | |
| | | | |
| /*--- log.c ---------------------------------------------------------------
--*/ | | /*--- log.c ---------------------------------------------------------------
--*/ | |
| | | | |
|
| typedef int (*sr_log_callback_t)(void *cb_data, int loglevel, | | typedef int (*sr_log_callback)(void *cb_data, int loglevel, | |
| const char *format, va_list args); | | const char *format, va_list args); | |
| | | | |
| SR_API int sr_log_loglevel_set(int loglevel); | | SR_API int sr_log_loglevel_set(int loglevel); | |
| SR_API int sr_log_loglevel_get(void); | | SR_API int sr_log_loglevel_get(void); | |
|
| SR_API int sr_log_callback_set(sr_log_callback_t cb, void *cb_data); | | SR_API int sr_log_callback_set(sr_log_callback cb, void *cb_data); | |
| SR_API int sr_log_callback_set_default(void); | | SR_API int sr_log_callback_set_default(void); | |
| SR_API int sr_log_logdomain_set(const char *logdomain); | | SR_API int sr_log_logdomain_set(const char *logdomain); | |
| SR_API char *sr_log_logdomain_get(void); | | SR_API char *sr_log_logdomain_get(void); | |
| | | | |
| /*--- device.c ------------------------------------------------------------
--*/ | | /*--- device.c ------------------------------------------------------------
--*/ | |
| | | | |
|
| SR_API int sr_dev_probe_name_set(const struct sr_dev_inst *sdi, | | SR_API int sr_dev_channel_name_set(const struct sr_dev_inst *sdi, | |
| int probenum, const char *name); | | int channelnum, const char *name); | |
| SR_API int sr_dev_probe_enable(const struct sr_dev_inst *sdi, int probenum, | | SR_API int sr_dev_channel_enable(const struct sr_dev_inst *sdi, int channel | |
| | | num, | |
| gboolean state); | | gboolean state); | |
|
| SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int probenum, | | SR_API int sr_dev_trigger_set(const struct sr_dev_inst *sdi, int channelnum
, | |
| const char *trigger); | | const char *trigger); | |
| SR_API gboolean sr_dev_has_option(const struct sr_dev_inst *sdi, int key); | | SR_API gboolean sr_dev_has_option(const struct sr_dev_inst *sdi, int key); | |
| SR_API GSList *sr_dev_list(const struct sr_dev_driver *driver); | | SR_API GSList *sr_dev_list(const struct sr_dev_driver *driver); | |
| SR_API int sr_dev_clear(const struct sr_dev_driver *driver); | | SR_API int sr_dev_clear(const struct sr_dev_driver *driver); | |
| SR_API int sr_dev_open(struct sr_dev_inst *sdi); | | SR_API int sr_dev_open(struct sr_dev_inst *sdi); | |
| SR_API int sr_dev_close(struct sr_dev_inst *sdi); | | SR_API int sr_dev_close(struct sr_dev_inst *sdi); | |
| | | | |
|
| /*--- filter.c ------------------------------------------------------------ | | | |
| --*/ | | | |
| | | | |
| SR_API int sr_filter_probes(unsigned int in_unitsize, unsigned int out_unit | | | |
| size, | | | |
| const GArray *probe_array, const uint8_t *data_i | | | |
| n, | | | |
| uint64_t length_in, uint8_t **data_out, | | | |
| uint64_t *length_out); | | | |
| | | | |
| /*--- hwdriver.c ----------------------------------------------------------
--*/ | | /*--- hwdriver.c ----------------------------------------------------------
--*/ | |
| | | | |
| SR_API struct sr_dev_driver **sr_driver_list(void); | | SR_API struct sr_dev_driver **sr_driver_list(void); | |
| SR_API int sr_driver_init(struct sr_context *ctx, | | SR_API int sr_driver_init(struct sr_context *ctx, | |
| struct sr_dev_driver *driver); | | struct sr_dev_driver *driver); | |
| SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options
); | | SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options
); | |
|
| SR_API int sr_config_get(const struct sr_dev_driver *driver, int key, | | SR_API int sr_config_get(const struct sr_dev_driver *driver, | |
| GVariant **data, const struct sr_dev_inst *sdi); | | const struct sr_dev_inst *sdi, | |
| SR_API int sr_config_set(const struct sr_dev_inst *sdi, int key, | | const struct sr_channel_group *cg, | |
| GVariant *data); | | int key, GVariant **data); | |
| SR_API int sr_config_list(const struct sr_dev_driver *driver, int key, | | SR_API int sr_config_set(const struct sr_dev_inst *sdi, | |
| GVariant **data, const struct sr_dev_inst *sdi); | | const struct sr_channel_group *cg, | |
| | | int key, GVariant *data); | |
| | | SR_API int sr_config_commit(const struct sr_dev_inst *sdi); | |
| | | SR_API int sr_config_list(const struct sr_dev_driver *driver, | |
| | | const struct sr_dev_inst *sdi, | |
| | | const struct sr_channel_group *cg, | |
| | | int key, GVariant **data); | |
| SR_API const struct sr_config_info *sr_config_info_get(int key); | | SR_API const struct sr_config_info *sr_config_info_get(int key); | |
| SR_API const struct sr_config_info *sr_config_info_name_get(const char *opt
name); | | SR_API const struct sr_config_info *sr_config_info_name_get(const char *opt
name); | |
| | | | |
| /*--- session.c -----------------------------------------------------------
--*/ | | /*--- session.c -----------------------------------------------------------
--*/ | |
| | | | |
|
| typedef void (*sr_datafeed_callback_t)(const struct sr_dev_inst *sdi, | | typedef void (*sr_datafeed_callback)(const struct sr_dev_inst *sdi, | |
| const struct sr_datafeed_packet *packet, void *cb_data); | | const struct sr_datafeed_packet *packet, void *cb_data); | |
| | | | |
| /* Session setup */ | | /* Session setup */ | |
| SR_API int sr_session_load(const char *filename); | | SR_API int sr_session_load(const char *filename); | |
| SR_API struct sr_session *sr_session_new(void); | | SR_API struct sr_session *sr_session_new(void); | |
| SR_API int sr_session_destroy(void); | | SR_API int sr_session_destroy(void); | |
| SR_API int sr_session_dev_remove_all(void); | | SR_API int sr_session_dev_remove_all(void); | |
| SR_API int sr_session_dev_add(const struct sr_dev_inst *sdi); | | SR_API int sr_session_dev_add(const struct sr_dev_inst *sdi); | |
|
| | | SR_API int sr_session_dev_list(GSList **devlist); | |
| | | | |
| /* Datafeed setup */ | | /* Datafeed setup */ | |
| SR_API int sr_session_datafeed_callback_remove_all(void); | | SR_API int sr_session_datafeed_callback_remove_all(void); | |
|
| SR_API int sr_session_datafeed_callback_add(sr_datafeed_callback_t cb, | | SR_API int sr_session_datafeed_callback_add(sr_datafeed_callback cb, | |
| void *cb_data); | | void *cb_data); | |
| | | | |
| /* Session control */ | | /* Session control */ | |
| SR_API int sr_session_start(void); | | SR_API int sr_session_start(void); | |
| SR_API int sr_session_run(void); | | SR_API int sr_session_run(void); | |
| SR_API int sr_session_stop(void); | | SR_API int sr_session_stop(void); | |
| SR_API int sr_session_save(const char *filename, const struct sr_dev_inst *
sdi, | | SR_API int sr_session_save(const char *filename, const struct sr_dev_inst *
sdi, | |
| unsigned char *buf, int unitsize, int units); | | unsigned char *buf, int unitsize, int units); | |
|
| | | SR_API int sr_session_save_init(const char *filename, uint64_t samplerate, | |
| | | char **channels); | |
| | | SR_API int sr_session_append(const char *filename, unsigned char *buf, | |
| | | int unitsize, int units); | |
| SR_API int sr_session_source_add(int fd, int events, int timeout, | | SR_API int sr_session_source_add(int fd, int events, int timeout, | |
|
| sr_receive_data_callback_t cb, void *cb_data); | | sr_receive_data_callback cb, void *cb_data); | |
| SR_API int sr_session_source_add_pollfd(GPollFD *pollfd, int timeout, | | SR_API int sr_session_source_add_pollfd(GPollFD *pollfd, int timeout, | |
|
| sr_receive_data_callback_t cb, void *cb_data); | | sr_receive_data_callback cb, void *cb_data); | |
| SR_API int sr_session_source_add_channel(GIOChannel *channel, int events, | | SR_API int sr_session_source_add_channel(GIOChannel *channel, int events, | |
|
| int timeout, sr_receive_data_callback_t cb, void *cb_data); | | int timeout, sr_receive_data_callback cb, void *cb_data); | |
| SR_API int sr_session_source_remove(int fd); | | SR_API int sr_session_source_remove(int fd); | |
| SR_API int sr_session_source_remove_pollfd(GPollFD *pollfd); | | SR_API int sr_session_source_remove_pollfd(GPollFD *pollfd); | |
| SR_API int sr_session_source_remove_channel(GIOChannel *channel); | | SR_API int sr_session_source_remove_channel(GIOChannel *channel); | |
| | | | |
| /*--- input/input.c -------------------------------------------------------
--*/ | | /*--- input/input.c -------------------------------------------------------
--*/ | |
| | | | |
| SR_API struct sr_input_format **sr_input_list(void); | | SR_API struct sr_input_format **sr_input_list(void); | |
| | | | |
| /*--- output/output.c -----------------------------------------------------
--*/ | | /*--- output/output.c -----------------------------------------------------
--*/ | |
| | | | |
| SR_API struct sr_output_format **sr_output_list(void); | | SR_API struct sr_output_format **sr_output_list(void); | |
|
| | | SR_API struct sr_output *sr_output_new(struct sr_output_format *of, | |
| | | GHashTable *params, const struct sr_dev_inst *sdi); | |
| | | SR_API int sr_output_send(struct sr_output *o, | |
| | | const struct sr_datafeed_packet *packet, GString **out); | |
| | | SR_API int sr_output_free(struct sr_output *o); | |
| | | | |
| /*--- strutil.c -----------------------------------------------------------
--*/ | | /*--- strutil.c -----------------------------------------------------------
--*/ | |
| | | | |
| SR_API char *sr_si_string_u64(uint64_t x, const char *unit); | | SR_API char *sr_si_string_u64(uint64_t x, const char *unit); | |
| SR_API char *sr_samplerate_string(uint64_t samplerate); | | SR_API char *sr_samplerate_string(uint64_t samplerate); | |
| SR_API char *sr_period_string(uint64_t frequency); | | SR_API char *sr_period_string(uint64_t frequency); | |
| SR_API char *sr_voltage_string(uint64_t v_p, uint64_t v_q); | | SR_API char *sr_voltage_string(uint64_t v_p, uint64_t v_q); | |
| SR_API char **sr_parse_triggerstring(const struct sr_dev_inst *sdi, | | SR_API char **sr_parse_triggerstring(const struct sr_dev_inst *sdi, | |
| const char *triggerstring); | | const char *triggerstring); | |
| SR_API int sr_parse_sizestring(const char *sizestring, uint64_t *size); | | SR_API int sr_parse_sizestring(const char *sizestring, uint64_t *size); | |
| | | | |
End of changes. 15 change blocks. |
| 30 lines changed or deleted | | 37 lines changed or added | |
|