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use forward declaration for usbh_dev_driver_t

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Signed-off-by: Amir Hammad <amir.hammad@hotmail.com>
This commit is contained in:
Amir Hammad 2016-09-09 18:25:28 +02:00
parent e635674ab0
commit decb2d817d
9 changed files with 93 additions and 90 deletions
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64
include/driver/usbh_device_driver.h
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@ -110,6 +110,10 @@ struct _usbh_control {
};
typedef struct _usbh_control usbh_control_t;
//forward declare usbh_dev_driver_t
typedef struct _usbh_dev_driver usbh_dev_driver_t;
/**
* @brief The _usbh_device struct
*
@ -243,6 +247,66 @@ struct _usbh_generic_data {
typedef struct _usbh_generic_data usbh_generic_data_t;
/// set to -1 for unused items ("don't care" functionality) @see find_driver()
struct _usbh_dev_driver_info {
int32_t deviceClass;
int32_t deviceSubClass;
int32_t deviceProtocol;
int32_t idVendor;
int32_t idProduct;
int32_t ifaceClass;
int32_t ifaceSubClass;
int32_t ifaceProtocol;
};
typedef struct _usbh_dev_driver_info usbh_dev_driver_info_t;
struct _usbh_dev_driver {
/**
* @brief init is initialization routine of the device driver
*
* This function is called during the initialization of the device driver
*/
void *(*init)(usbh_device_t *usbh_dev);
/**
* @brief analyze descriptor
* @param[in/out] drvdata is the device driver's private data
* @param[in] descriptor is the pointer to the descriptor that should
* be parsed in order to prepare driver to be loaded
*
* @retval true when the enumeration is complete and the driver is ready to be used
* @retval false when the device driver is not ready to be used
*
* This should be used for getting correct endpoint numbers, getting maximum sizes of endpoints.
* Should return true, when no more data is needed.
*
*/
bool (*analyze_descriptor)(void *drvdata, void *descriptor);
/**
* @brief poll method is called periodically by the library core
* @param[in/out] drvdata is the device driver's private data
* @param[in] time_curr_us current timestamp in microseconds
* @see usbh_poll()
*/
void (*poll)(void *drvdata, uint32_t time_curr_us);
/**
* @brief unloads the device driver
* @param[in/out] drvdata is the device driver's private data
*
* This should free any data associated with this device
*/
void (*remove)(void *drvdata);
/**
* @brief info - compatibility information about the driver. It is used by the core during device enumeration
* @see find_driver()
*/
const usbh_dev_driver_info_t * const info;
};
typedef struct _usbh_dev_driver usbh_dev_driver_t;
#define ERROR(arg) LOG_PRINTF("UNHANDLED_ERROR %d: file: %s, line: %d",\
arg, __FILE__, __LINE__)