libicsneo/include/icsneo/icsneo.h

119 lines
4.0 KiB
C

#pragma once
#include <stdint.h>
#include <icsneo/icsneotypes.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_WIN32) || defined(_WIN64)
// Microsoft
#define EXPORT __declspec(dllexport)
#define IMPORT __declspec(dllimport)
#elif defined(__GNUC__)
// GCC
#define EXPORT __attribute__((visibility("default")))
#define IMPORT
#else
// do nothing and hope for the best?
#define EXPORT
#define IMPORT
#pragma warning Unknown dynamic link import/export semantics.
#endif
#ifdef ICSNEO_EXPORTS
#define ICSNEO_API EXPORT
#else
#define ICSNEO_API IMPORT
#endif
/** @brief icsneo_device_t opaque struct definition
*
* This object represents a single device found on the system.
*
* @see icsneo_find_devices
*/
typedef struct icsneo_device_t icsneo_device_t;
typedef enum _icsneo_error_t {
icsneo_error_success,
icsneo_error_invalid_parameters,
icsneo_error_open_failed,
icsneo_error_open_gonline_failed,
icsneo_error_open_message_polling_failed,
icsneo_error_open_sync_rtc_failed,
} _icsneo_error_t;
typedef uint32_t icsneo_error_t;
/** @brief Find all hardware attached to the system.
*
* @param[out] icsneo_device_t array of devices to be filled with found devices. Last element will be NULL.
* @param[in,out] uint32_t* devices_count Size of the devices array. Modified with the number of devices found.
* @param[in] void* reserved Reserved for future use. Currently unused and must be set to NULL.
*
* @return icsneo_error_t icsneo_error_success if successful, icsneo_error_failure otherwise.
*/
ICSNEO_API icsneo_error_t icsneo_find(icsneo_device_t** devices, uint32_t* devices_count, void* reserved);
/** @brief Check to make sure a device is valid.
*
* @param[in] icsneo_device_t device The device to check.
*
* @return icsneo_error_t icsneo_error_success if successful, icsneo_error_invalid_parameters otherwise.
*/
ICSNEO_API icsneo_error_t icsneo_device_is_valid(icsneo_device_t* device);
/** @brief Get the open options for a device
*
* @param[in] icsneo_device_t device The device to set options for.
* @param[in] icsneo_open_options_t options Options to set for the device.
*
* @return icsneo_error_t icsneo_error_success if successful, icsneo_error_invalid_parameters otherwise.
*/
ICSNEO_API icsneo_error_t icsneo_get_open_options(icsneo_device_t* device, icsneo_open_options_t* options);
/** @brief Set the open options for a device
*
* @param[in] icsneo_device_t device The device to set options for.
* @param[in] icsneo_open_options_t options Options to set for the device.
*
* @return icsneo_error_t icsneo_error_success if successful, icsneo_error_invalid_parameters otherwise.
*/
ICSNEO_API icsneo_error_t icsneo_set_open_options(icsneo_device_t* device, icsneo_open_options_t options);
/** @brief Open a connection to a device.
*
* After a successful call to this function, icsneo_close() must be called to close the device.
*
* @param[in] icsneo_device_t device The device to open.
* @param[out] icsneo_handle_t* handle Pointer to a handle to the opened device. Will be NULL on failure.
*
* @return icsneo_error_t icsneo_error_success if successful, icsneo_error_failure otherwise.
*
* @see icsneo_close
*/
ICSNEO_API icsneo_error_t icsneo_open(icsneo_device_t* device);
/** @brief Close a connection to a previously opened device.
*
* After a successful call to icsneo_open(), this function must be called to close the device.
* An already closed device will still succeed.
*
* @param[in] icsneo_device_t device The device to close.
*
* @return icsneo_error_t icsneo_error_success if successful, icsneo_error_failure otherwise.
*/
ICSNEO_API icsneo_error_t icsneo_close(icsneo_device_t* device);
ICSNEO_API icsneo_error_t icsneo_device_describe(icsneo_device_t* device, const char* value, uint32_t* value_length);
ICSNEO_API icsneo_error_t icsneo_device_type(icsneo_device_t* device, uint64_t* value);
ICSNEO_API icsneo_error_t icsneo_device_serial(icsneo_device_t* device, const char* value, uint32_t* value_length);
#ifdef __cplusplus
}
#endif