X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=libserialport.h.in;h=51d9afe6c1449c5a57d69f33da1daffd329b7cd6;hb=0666ccc7ca446ce2960630e2707389852c812284;hp=41948c1828eee3bab22fdc1e60187233489e88c8;hpb=2c827b218813f2663fc3fb09d2ad61f50c4ec1ff;p=libserialport.git diff --git a/libserialport.h.in b/libserialport.h.in index 41948c1..51d9afe 100644 --- a/libserialport.h.in +++ b/libserialport.h.in @@ -36,6 +36,7 @@ * - @ref Configuration (baud rate, parity, etc.) * - @ref Signals (modem control lines, breaks, etc.) * - @ref Data + * - @ref Waiting * - @ref Errors * * libserialport is an open source project released under the LGPL3+ license. @@ -73,7 +74,7 @@ * * Calls that succeed return @ref SP_OK, which is equal to zero. Some functions * declared @ref sp_return can also return a positive value for a successful - * numeric result, e.g. sp_read() and sp_write(). + * numeric result, e.g. sp_blocking_read() or sp_blocking_write(). */ #ifndef LIBSERIALPORT_LIBSERIALPORT_H @@ -88,18 +89,6 @@ extern "C" { #include #endif -/* Package version macros (e.g. for conditional compilation). */ -#define SP_PACKAGE_VERSION_MAJOR @SP_PACKAGE_VERSION_MAJOR@ -#define SP_PACKAGE_VERSION_MINOR @SP_PACKAGE_VERSION_MINOR@ -#define SP_PACKAGE_VERSION_MICRO @SP_PACKAGE_VERSION_MICRO@ -#define SP_PACKAGE_VERSION_STRING "@SP_PACKAGE_VERSION@" - -/* Library/libtool version macros (e.g. for conditional compilation). */ -#define SP_LIB_VERSION_CURRENT @SP_LIB_VERSION_CURRENT@ -#define SP_LIB_VERSION_REVISION @SP_LIB_VERSION_REVISION@ -#define SP_LIB_VERSION_AGE @SP_LIB_VERSION_AGE@ -#define SP_LIB_VERSION_STRING "@SP_LIB_VERSION@" - /** Return values. */ enum sp_return { /** Operation completed successfully. */ @@ -111,7 +100,7 @@ enum sp_return { /** A memory allocation failed while executing the operation. */ SP_ERR_MEM = -3, /** The requested operation is not supported by this system or device. */ - SP_ERR_SUPP = -4, + SP_ERR_SUPP = -4 }; /** Port access modes. */ @@ -119,7 +108,17 @@ enum sp_mode { /** Open port for read access. */ SP_MODE_READ = 1, /** Open port for write access. */ - SP_MODE_WRITE = 2, + SP_MODE_WRITE = 2 +}; + +/** Port events. */ +enum sp_event { + /* Data received and ready to read. */ + SP_EVENT_RX_READY = 1, + /* Ready to transmit new data. */ + SP_EVENT_TX_READY = 2, + /* Error occured. */ + SP_EVENT_ERROR = 4 }; /** Buffer selection. */ @@ -129,7 +128,7 @@ enum sp_buffer { /** Output buffer. */ SP_BUF_OUTPUT = 2, /** Both buffers. */ - SP_BUF_BOTH = 3, + SP_BUF_BOTH = 3 }; /** Parity settings. */ @@ -145,7 +144,7 @@ enum sp_parity { /** Mark parity. */ SP_PARITY_MARK = 3, /** Space parity. */ - SP_PARITY_SPACE = 4, + SP_PARITY_SPACE = 4 }; /** RTS pin behaviour. */ @@ -157,7 +156,7 @@ enum sp_rts { /** RTS on. */ SP_RTS_ON = 1, /** RTS used for flow control. */ - SP_RTS_FLOW_CONTROL = 2, + SP_RTS_FLOW_CONTROL = 2 }; /** CTS pin behaviour. */ @@ -167,7 +166,7 @@ enum sp_cts { /** CTS ignored. */ SP_CTS_IGNORE = 0, /** CTS used for flow control. */ - SP_CTS_FLOW_CONTROL = 1, + SP_CTS_FLOW_CONTROL = 1 }; /** DTR pin behaviour. */ @@ -179,7 +178,7 @@ enum sp_dtr { /** DTR on. */ SP_DTR_ON = 1, /** DTR used for flow control. */ - SP_DTR_FLOW_CONTROL = 2, + SP_DTR_FLOW_CONTROL = 2 }; /** DSR pin behaviour. */ @@ -189,7 +188,7 @@ enum sp_dsr { /** DSR ignored. */ SP_DSR_IGNORE = 0, /** DSR used for flow control. */ - SP_DSR_FLOW_CONTROL = 1, + SP_DSR_FLOW_CONTROL = 1 }; /** XON/XOFF flow control behaviour. */ @@ -203,7 +202,7 @@ enum sp_xonxoff { /** XON/XOFF enabled for output only. */ SP_XONXOFF_OUT = 2, /** XON/XOFF enabled for input and output. */ - SP_XONXOFF_INOUT = 3, + SP_XONXOFF_INOUT = 3 }; /** Standard flow control combinations. */ @@ -215,7 +214,7 @@ enum sp_flowcontrol { /** Hardware flow control using RTS/CTS signals. */ SP_FLOWCONTROL_RTSCTS = 2, /** Hardware flow control using DTR/DSR signals. */ - SP_FLOWCONTROL_DTRDSR = 3, + SP_FLOWCONTROL_DTRDSR = 3 }; /** Input signals. */ @@ -227,15 +226,44 @@ enum sp_signal { /** Data carrier detect. */ SP_SIG_DCD = 4, /** Ring indicator. */ - SP_SIG_RI = 8, + SP_SIG_RI = 8 }; -/** A serial port. */ +/** Transport types. */ +enum sp_transport { + /** Native platform serial port. */ + SP_TRANSPORT_NATIVE, + /** USB serial port adapter. */ + SP_TRANSPORT_USB, + /** Bluetooh serial port adapter. */ + SP_TRANSPORT_BLUETOOTH +}; + +/** + * @struct sp_port + * An opaque structure representing a serial port. + */ struct sp_port; -/** Configuration for a serial port. */ +/** + * @struct sp_port_config + * An opaque structure representing the configuration for a serial port. + */ struct sp_port_config; +/** + * @struct sp_event_set + * A set of handles to wait on for events. + */ +struct sp_event_set { + /** Array of OS-specific handles. */ + void *handles; + /** Array of bitmasks indicating which events apply for each handle. */ + enum sp_event *masks; + /** Number of handles. */ + unsigned int count; +}; + /** @defgroup Enumeration Port enumeration @{ @@ -253,11 +281,15 @@ struct sp_port_config; * to NULL. Otherwise, it will be set to point to the newly allocated port. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_port_by_name(const char *portname, struct sp_port **port_ptr); /** * Free a port structure obtained from sp_get_port_by_name() or sp_copy_port(). + * + * @since 0.1.0 */ void sp_free_port(struct sp_port *port); @@ -276,6 +308,8 @@ void sp_free_port(struct sp_port *port); * to NULL. Otherwise, it will be set to point to the newly allocated array. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_list_ports(struct sp_port ***list_ptr); @@ -291,6 +325,8 @@ enum sp_return sp_list_ports(struct sp_port ***list_ptr); * to NULL. Otherwise, it will be set to point to the newly allocated copy. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_copy_port(const struct sp_port *port, struct sp_port **copy_ptr); @@ -299,6 +335,8 @@ enum sp_return sp_copy_port(const struct sp_port *port, struct sp_port **copy_pt * * This will also free all the sp_port structures referred to from the list; * any that are to be retained must be copied first using sp_copy_port(). + * + * @since 0.1.0 */ void sp_free_port_list(struct sp_port **ports); @@ -315,6 +353,8 @@ void sp_free_port_list(struct sp_port **ports); * @param flags Flags to use when opening the serial port. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_open(struct sp_port *port, enum sp_mode flags); @@ -322,6 +362,8 @@ enum sp_return sp_open(struct sp_port *port, enum sp_mode flags); * Close the specified serial port. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_close(struct sp_port *port); @@ -337,9 +379,114 @@ enum sp_return sp_close(struct sp_port *port); * @return The port name, or NULL if an invalid port is passed. The name * string is part of the port structure and may not be used after the * port structure has been freed. + * + * @since 0.1.0 */ char *sp_get_port_name(const struct sp_port *port); +/** + * Get a description for a port, to present to end user. + * + * @param port Pointer to port structure. + * + * @return The port description, or NULL if an invalid port is passed. + * The description string is part of the port structure and may not be used + * after the port structure has been freed. + * + * @since 0.2.0 + */ +char *sp_get_port_description(struct sp_port *port); + +/** + * Get the transport type used by a port. + * + * @param port Pointer to port structure. + * + * @return The port transport type. + * + * @since 0.2.0 + */ +enum sp_transport sp_get_port_transport(struct sp_port *port); + +/** + * Get the USB bus number and address on bus of a USB serial adapter port. + * + * @param port Pointer to port structure. + * @param usb_bus Pointer to variable to store USB bus. + * @param usb_address Pointer to variable to store USB address + * + * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.2.0 + */ +enum sp_return sp_get_port_usb_bus_address(const struct sp_port *port, + int *usb_bus, int *usb_address); + +/** + * Get the USB Vendor ID and Product ID of a USB serial adapter port. + * + * @param port Pointer to port structure. + * @param usb_vid Pointer to variable to store USB VID. + * @param usb_pid Pointer to variable to store USB PID + * + * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.2.0 + */ +enum sp_return sp_get_port_usb_vid_pid(const struct sp_port *port, int *usb_vid, int *usb_pid); + +/** + * Get the USB manufacturer string of a USB serial adapter port. + * + * @param port Pointer to port structure. + * + * @return The port manufacturer string, or NULL if an invalid port is passed. + * The manufacturer string is part of the port structure and may not be used + * after the port structure has been freed. + * + * @since 0.2.0 + */ +char *sp_get_port_usb_manufacturer(const struct sp_port *port); + +/** + * Get the USB product string of a USB serial adapter port. + * + * @param port Pointer to port structure. + * + * @return The port product string, or NULL if an invalid port is passed. + * The product string is part of the port structure and may not be used + * after the port structure has been freed. + * + * @since 0.2.0 + */ +char *sp_get_port_usb_product(const struct sp_port *port); + +/** + * Get the USB serial number string of a USB serial adapter port. + * + * @param port Pointer to port structure. + * + * @return The port serial number, or NULL if an invalid port is passed. + * The serial number string is part of the port structure and may not be used + * after the port structure has been freed. + * + * @since 0.2.0 + */ +char *sp_get_port_usb_serial(const struct sp_port *port); + +/** + * Get the MAC address of a Bluetooth serial adapter port. + * + * @param port Pointer to port structure. + * + * @return The port MAC address, or NULL if an invalid port is passed. + * The MAC address string is part of the port structure and may not be used + * after the port structure has been freed. + * + * @since 0.2.0 + */ +char *sp_get_port_bluetooth_address(const struct sp_port *port); + /** * Get the operating system handle for a port. * @@ -361,6 +508,8 @@ char *sp_get_port_name(const struct sp_port *port); * library's own usage of the port. Be careful. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_port_handle(const struct sp_port *port, void *result_ptr); @@ -386,6 +535,8 @@ enum sp_return sp_get_port_handle(const struct sp_port *port, void *result_ptr); * @param config_ptr Pointer to variable to receive result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_new_config(struct sp_port_config **config_ptr); @@ -393,6 +544,8 @@ enum sp_return sp_new_config(struct sp_port_config **config_ptr); * Free a port configuration structure. * * @param config Pointer to configuration structure. + * + * @since 0.1.0 */ void sp_free_config(struct sp_port_config *config); @@ -408,6 +561,8 @@ void sp_free_config(struct sp_port_config *config); * ignored by sp_set_config(). * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config(struct sp_port *port, struct sp_port_config *config); @@ -419,6 +574,8 @@ enum sp_return sp_get_config(struct sp_port *port, struct sp_port_config *config * and the corresponding setting left unchanged on the port. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config(struct sp_port *port, const struct sp_port_config *config); @@ -429,6 +586,8 @@ enum sp_return sp_set_config(struct sp_port *port, const struct sp_port_config * * @param baudrate Baud rate in bits per second. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_baudrate(struct sp_port *port, int baudrate); @@ -442,6 +601,8 @@ enum sp_return sp_set_baudrate(struct sp_port *port, int baudrate); * @param baudrate_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_baudrate(const struct sp_port_config *config, int *baudrate_ptr); @@ -452,6 +613,8 @@ enum sp_return sp_get_config_baudrate(const struct sp_port_config *config, int * * @param baudrate Baud rate in bits per second, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_baudrate(struct sp_port_config *config, int baudrate); @@ -462,6 +625,8 @@ enum sp_return sp_set_config_baudrate(struct sp_port_config *config, int baudrat * @param bits Number of data bits. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_bits(struct sp_port *port, int bits); @@ -475,6 +640,8 @@ enum sp_return sp_set_bits(struct sp_port *port, int bits); * @param bits_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_bits(const struct sp_port_config *config, int *bits_ptr); @@ -485,6 +652,8 @@ enum sp_return sp_get_config_bits(const struct sp_port_config *config, int *bits * @param bits Number of data bits, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_bits(struct sp_port_config *config, int bits); @@ -495,6 +664,8 @@ enum sp_return sp_set_config_bits(struct sp_port_config *config, int bits); * @param parity Parity setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_parity(struct sp_port *port, enum sp_parity parity); @@ -508,6 +679,8 @@ enum sp_return sp_set_parity(struct sp_port *port, enum sp_parity parity); * @param parity_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_parity(const struct sp_port_config *config, enum sp_parity *parity_ptr); @@ -518,6 +691,8 @@ enum sp_return sp_get_config_parity(const struct sp_port_config *config, enum sp * @param parity Parity setting, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_parity(struct sp_port_config *config, enum sp_parity parity); @@ -528,6 +703,8 @@ enum sp_return sp_set_config_parity(struct sp_port_config *config, enum sp_parit * @param stopbits Number of stop bits. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_stopbits(struct sp_port *port, int stopbits); @@ -541,6 +718,8 @@ enum sp_return sp_set_stopbits(struct sp_port *port, int stopbits); * @param stopbits_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_stopbits(const struct sp_port_config *config, int *stopbits_ptr); @@ -551,6 +730,8 @@ enum sp_return sp_get_config_stopbits(const struct sp_port_config *config, int * * @param stopbits Number of stop bits, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_stopbits(struct sp_port_config *config, int stopbits); @@ -561,6 +742,8 @@ enum sp_return sp_set_config_stopbits(struct sp_port_config *config, int stopbit * @param rts RTS pin mode. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_rts(struct sp_port *port, enum sp_rts rts); @@ -574,6 +757,8 @@ enum sp_return sp_set_rts(struct sp_port *port, enum sp_rts rts); * @param rts_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_rts(const struct sp_port_config *config, enum sp_rts *rts_ptr); @@ -584,6 +769,8 @@ enum sp_return sp_get_config_rts(const struct sp_port_config *config, enum sp_rt * @param rts RTS pin mode, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_rts(struct sp_port_config *config, enum sp_rts rts); @@ -594,6 +781,8 @@ enum sp_return sp_set_config_rts(struct sp_port_config *config, enum sp_rts rts) * @param cts CTS pin mode. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_cts(struct sp_port *port, enum sp_cts cts); @@ -607,6 +796,8 @@ enum sp_return sp_set_cts(struct sp_port *port, enum sp_cts cts); * @param cts_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_cts(const struct sp_port_config *config, enum sp_cts *cts_ptr); @@ -617,6 +808,8 @@ enum sp_return sp_get_config_cts(const struct sp_port_config *config, enum sp_ct * @param cts CTS pin mode, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_cts(struct sp_port_config *config, enum sp_cts cts); @@ -627,6 +820,8 @@ enum sp_return sp_set_config_cts(struct sp_port_config *config, enum sp_cts cts) * @param dtr DTR pin mode. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_dtr(struct sp_port *port, enum sp_dtr dtr); @@ -640,6 +835,8 @@ enum sp_return sp_set_dtr(struct sp_port *port, enum sp_dtr dtr); * @param dtr_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_dtr(const struct sp_port_config *config, enum sp_dtr *dtr_ptr); @@ -650,6 +847,8 @@ enum sp_return sp_get_config_dtr(const struct sp_port_config *config, enum sp_dt * @param dtr DTR pin mode, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_dtr(struct sp_port_config *config, enum sp_dtr dtr); @@ -660,6 +859,8 @@ enum sp_return sp_set_config_dtr(struct sp_port_config *config, enum sp_dtr dtr) * @param dsr DSR pin mode. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_dsr(struct sp_port *port, enum sp_dsr dsr); @@ -673,6 +874,8 @@ enum sp_return sp_set_dsr(struct sp_port *port, enum sp_dsr dsr); * @param dsr_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_dsr(const struct sp_port_config *config, enum sp_dsr *dsr_ptr); @@ -683,6 +886,8 @@ enum sp_return sp_get_config_dsr(const struct sp_port_config *config, enum sp_ds * @param dsr DSR pin mode, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_dsr(struct sp_port_config *config, enum sp_dsr dsr); @@ -693,6 +898,8 @@ enum sp_return sp_set_config_dsr(struct sp_port_config *config, enum sp_dsr dsr) * @param xon_xoff XON/XOFF mode. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_xon_xoff(struct sp_port *port, enum sp_xonxoff xon_xoff); @@ -706,6 +913,8 @@ enum sp_return sp_set_xon_xoff(struct sp_port *port, enum sp_xonxoff xon_xoff); * @param xon_xoff_ptr Pointer to variable to store result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_get_config_xon_xoff(const struct sp_port_config *config, enum sp_xonxoff *xon_xoff_ptr); @@ -716,6 +925,8 @@ enum sp_return sp_get_config_xon_xoff(const struct sp_port_config *config, enum * @param xon_xoff XON/XOFF mode, or -1 to retain current setting. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_xon_xoff(struct sp_port_config *config, enum sp_xonxoff xon_xoff); @@ -731,6 +942,8 @@ enum sp_return sp_set_config_xon_xoff(struct sp_port_config *config, enum sp_xon * @param flowcontrol Flow control setting to use. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_config_flowcontrol(struct sp_port_config *config, enum sp_flowcontrol flowcontrol); @@ -746,6 +959,8 @@ enum sp_return sp_set_config_flowcontrol(struct sp_port_config *config, enum sp_ * @param flowcontrol Flow control setting to use. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_set_flowcontrol(struct sp_port *port, enum sp_flowcontrol flowcontrol); @@ -778,6 +993,8 @@ enum sp_return sp_set_flowcontrol(struct sp_port *port, enum sp_flowcontrol flow * timeout was reached before the requested number of bytes was * available. If timeout is zero, the function will always return * either the requested number of bytes or a negative error code. + * + * @since 0.1.0 */ enum sp_return sp_blocking_read(struct sp_port *port, void *buf, size_t count, unsigned int timeout); @@ -791,6 +1008,8 @@ enum sp_return sp_blocking_read(struct sp_port *port, void *buf, size_t count, u * @return The number of bytes read on success, or a negative error code. The * number of bytes returned may be any number from zero to the maximum * that was requested. + * + * @since 0.1.0 */ enum sp_return sp_nonblocking_read(struct sp_port *port, void *buf, size_t count); @@ -825,6 +1044,8 @@ enum sp_return sp_nonblocking_read(struct sp_port *port, void *buf, size_t count * either the requested number of bytes or a negative error code. In * the event of an error there is no way to determine how many bytes * were sent before the error occured. + * + * @since 0.1.0 */ enum sp_return sp_blocking_write(struct sp_port *port, const void *buf, size_t count, unsigned int timeout); @@ -844,6 +1065,8 @@ enum sp_return sp_blocking_write(struct sp_port *port, const void *buf, size_t c * @return The number of bytes written on success, or a negative error code. * The number of bytes returned may be any number from zero to the * maximum that was requested. + * + * @since 0.1.0 */ enum sp_return sp_nonblocking_write(struct sp_port *port, const void *buf, size_t count); @@ -853,6 +1076,8 @@ enum sp_return sp_nonblocking_write(struct sp_port *port, const void *buf, size_ * @param port Pointer to port structure. * * @return Number of bytes waiting on success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_input_waiting(struct sp_port *port); @@ -862,6 +1087,8 @@ enum sp_return sp_input_waiting(struct sp_port *port); * @param port Pointer to port structure. * * @return Number of bytes waiting on success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_output_waiting(struct sp_port *port); @@ -872,6 +1099,8 @@ enum sp_return sp_output_waiting(struct sp_port *port); * @param buffers Which buffer(s) to flush. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers); @@ -888,9 +1117,70 @@ enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers); * @param port Pointer to port structure. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_drain(struct sp_port *port); +/** + * @} + * @defgroup Waiting Waiting for events + * @{ + */ + +/** + * Allocate storage for a set of events. + * + * The user should allocate a variable of type struct sp_event_set *, + * then pass a pointer to this variable to receive the result. + * + * The result should be freed after use by calling sp_free_event_set(). + * + * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 + */ +enum sp_return sp_new_event_set(struct sp_event_set **result_ptr); + +/** + * Add events to a struct sp_event_set for a given port. + * + * The port must first be opened by calling sp_open() using the same port + * structure. + * + * After the port is closed or the port structure freed, the results may + * no longer be valid. + * + * @param event_set Event set to update. + * @param port Pointer to port structure. + * @param mask Bitmask of events to be waited for. + * + * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 + */ +enum sp_return sp_add_port_events(struct sp_event_set *event_set, + const struct sp_port *port, enum sp_event mask); + +/** + * Wait for any of a set of events to occur. + * + * @param event_set Event set to wait on. + * @param timeout Timeout in milliseconds, or zero to wait indefinitely. + * + * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 + */ +enum sp_return sp_wait(struct sp_event_set *event_set, unsigned int timeout); + +/** + * Free a structure allocated by sp_new_event_set(). + * + * @since 0.1.0 + */ +void sp_free_event_set(struct sp_event_set *event_set); + /** * @} * @defgroup Signals Port signalling operations @@ -906,11 +1196,13 @@ enum sp_return sp_drain(struct sp_port *port); * the sp_signal enum. * * @param port Pointer to port structure. - * @param signals Pointer to variable to receive result. + * @param signal_mask Pointer to variable to receive result. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ -enum sp_return sp_get_signals(struct sp_port *port, enum sp_signal *signals); +enum sp_return sp_get_signals(struct sp_port *port, enum sp_signal *signal_mask); /** * Put the port transmit line into the break state. @@ -918,6 +1210,8 @@ enum sp_return sp_get_signals(struct sp_port *port, enum sp_signal *signals); * @param port Pointer to port structure. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_start_break(struct sp_port *port); @@ -927,6 +1221,8 @@ enum sp_return sp_start_break(struct sp_port *port); * @param port Pointer to port structure. * * @return SP_OK upon success, a negative error code otherwise. + * + * @since 0.1.0 */ enum sp_return sp_end_break(struct sp_port *port); @@ -944,6 +1240,8 @@ enum sp_return sp_end_break(struct sp_port *port); * * @return The system's numeric code for the error that caused the last * operation to fail. + * + * @since 0.1.0 */ int sp_last_error_code(void); @@ -956,11 +1254,15 @@ int sp_last_error_code(void); * @return The system's message for the error that caused the last * operation to fail. This string may be allocated by the function, * and should be freed after use by calling sp_free_error_message(). + * + * @since 0.1.0 */ char *sp_last_error_message(void); /** * Free an error message returned by sp_last_error_message(). + * + * @since 0.1.0 */ void sp_free_error_message(char *message); @@ -975,6 +1277,8 @@ void sp_free_error_message(char *message); * argument list, in the same manner as e.g. printf(). * * The default handler is sp_default_debug_handler(). + * + * @since 0.1.0 */ void sp_set_debug_handler(void (*handler)(const char *format, ...)); @@ -984,11 +1288,139 @@ void sp_set_debug_handler(void (*handler)(const char *format, ...)); * This function prints debug messages to the standard error stream if the * environment variable LIBSERIALPORT_DEBUG is set. Otherwise, they are * ignored. + * + * @since 0.1.0 */ void sp_default_debug_handler(const char *format, ...); /** @} */ +/** + * @defgroup Versions Version number querying functions, definitions, and macros + * + * This set of API calls returns two different version numbers related + * to libserialport. The "package version" is the release version number of the + * libserialport tarball in the usual "major.minor.micro" format, e.g. "0.1.0". + * + * The "library version" is independent of that; it is the libtool version + * number in the "current:revision:age" format, e.g. "2:0:0". + * See http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning for details. + * + * Both version numbers (and/or individual components of them) can be + * retrieved via the API calls at runtime, and/or they can be checked at + * compile/preprocessor time using the respective macros. + * + * @{ + */ + +/* + * Package version macros (can be used for conditional compilation). + */ + +/** The libserialport package 'major' version number. */ +#define SP_PACKAGE_VERSION_MAJOR @SP_PACKAGE_VERSION_MAJOR@ + +/** The libserialport package 'minor' version number. */ +#define SP_PACKAGE_VERSION_MINOR @SP_PACKAGE_VERSION_MINOR@ + +/** The libserialport package 'micro' version number. */ +#define SP_PACKAGE_VERSION_MICRO @SP_PACKAGE_VERSION_MICRO@ + +/** The libserialport package version ("major.minor.micro") as string. */ +#define SP_PACKAGE_VERSION_STRING "@SP_PACKAGE_VERSION@" + +/* + * Library/libtool version macros (can be used for conditional compilation). + */ + +/** The libserialport libtool 'current' version number. */ +#define SP_LIB_VERSION_CURRENT @SP_LIB_VERSION_CURRENT@ + +/** The libserialport libtool 'revision' version number. */ +#define SP_LIB_VERSION_REVISION @SP_LIB_VERSION_REVISION@ + +/** The libserialport libtool 'age' version number. */ +#define SP_LIB_VERSION_AGE @SP_LIB_VERSION_AGE@ + +/** The libserialport libtool version ("current:revision:age") as string. */ +#define SP_LIB_VERSION_STRING "@SP_LIB_VERSION@" + +/** + * Get the major libserialport package version number. + * + * @return The major package version number. + * + * @since 0.1.0 + */ +int sp_get_major_package_version(void); + +/** + * Get the minor libserialport package version number. + * + * @return The minor package version number. + * + * @since 0.1.0 + */ +int sp_get_minor_package_version(void); + +/** + * Get the micro libserialport package version number. + * + * @return The micro package version number. + * + * @since 0.1.0 + */ +int sp_get_micro_package_version(void); + +/** + * Get the libserialport package version number as a string. + * + * @return The package version number string. The returned string is + * static and thus should NOT be free'd by the caller. + * + * @since 0.1.0 + */ +const char *sp_get_package_version_string(void); + +/** + * Get the "current" part of the libserialport library version number. + * + * @return The "current" library version number. + * + * @since 0.1.0 + */ +int sp_get_current_lib_version(void); + +/** + * Get the "revision" part of the libserialport library version number. + * + * @return The "revision" library version number. + * + * @since 0.1.0 + */ +int sp_get_revision_lib_version(void); + +/** + * Get the "age" part of the libserialport library version number. + * + * @return The "age" library version number. + * + * @since 0.1.0 + */ +int sp_get_age_lib_version(void); + +/** + * Get the libserialport library version number as a string. + * + * @return The library version number string. The returned string is + * static and thus should NOT be free'd by the caller. + * + * @since 0.1.0 + */ +const char *sp_get_lib_version_string(void); + +/** @} */ + #ifdef __cplusplus } #endif