Implementation of UDI HID multi-touch

Class internal implementation.

Functions
bool	udi_hid_multi_touch_send_report_in (uint8_t *data)
	Routine used to send a report to USB Host. More...

Variables
UDC_DESC_STORAGE udi_hid_multi_touch_report_desc_t	udi_hid_multi_touch_report_desc
	HID report descriptor for standard HID multi-touch. More...

Internal defines and variables to manage HID multi-touch
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_multi_touch_rate
	To store current rate of HID multi-touch. More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_multi_touch_protocol
	To store current protocol of HID multi-touch. More...
static bool	udi_hid_multi_touch_b_report_in_free
	To signal if the report IN buffer is free (no transfer on going) More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_multi_touch_report_in [UDI_HID_REPORT_IN_SIZE]
	Report to send. More...
static COMPILER_WORD_ALIGNED uint8_t	udi_hid_multi_touch_report_feature [UDI_HID_REPORT_FEATURE_SIZE]
	Report to receive via SetFeature. More...

Internal routines
static bool	udi_hid_multi_touch_setupreport (void)
	Recieve or send a report to HID interface. More...
static void	udi_hid_multi_touch_report_in_sent (udd_ep_status_t status, iram_size_t nb_sent, udd_ep_id_t ep)
	Callback called when the report is sent. More...

static void udi_hid_multi_touch_report_in_sent ( udd_ep_status_t  status, iram_size_t  nb_sent, udd_ep_id_t  ep  )

static

Callback called when the report is sent.

Parameters

status	UDD_EP_TRANSFER_OK, if transfer is completed
status	UDD_EP_TRANSFER_ABORT, if transfer is aborted
nb_sent	number of data transfered

References udi_hid_multi_touch_b_report_in_free, and UNUSED.

Referenced by udi_hid_multi_touch_send_report_in().

bool udi_hid_multi_touch_send_report_in

(

uint8_t *

data

)

Routine used to send a report to USB Host.

Parameters

data	Pointer on the report to send (size = UDI_HID_REPORT_IN_SIZE)

Returns

1 if function was successfully done, otherwise 0.

References udi_hid_multi_touch_b_report_in_free, UDI_HID_MULTI_TOUCH_EP_IN, udi_hid_multi_touch_report_in, and udi_hid_multi_touch_report_in_sent().

static bool udi_hid_multi_touch_setupreport ( void  )

static

Recieve or send a report to HID interface.

References udd_ctrl_request_t::payload, udd_ctrl_request_t::payload_size, udd_ctrl_request_t::req, udd_g_ctrlreq, udi_hid_multi_touch_report_feature, UDI_HID_REPORT_ID_MAX_COUNT, USB_HID_REPORT_TYPE_FEATURE, usb_setup_req_t::wLength, and usb_setup_req_t::wValue.

Referenced by udi_hid_multi_touch_setup().

bool udi_hid_multi_touch_b_report_in_free

static

To signal if the report IN buffer is free (no transfer on going)

Referenced by udi_hid_multi_touch_enable(), udi_hid_multi_touch_report_in_sent(), and udi_hid_multi_touch_send_report_in().

COMPILER_WORD_ALIGNED uint8_t udi_hid_multi_touch_protocol

static

To store current protocol of HID multi-touch.

Referenced by udi_hid_multi_touch_enable(), and udi_hid_multi_touch_setup().

COMPILER_WORD_ALIGNED uint8_t udi_hid_multi_touch_rate

static

To store current rate of HID multi-touch.

Referenced by udi_hid_multi_touch_enable(), and udi_hid_multi_touch_setup().

UDC_DESC_STORAGE udi_hid_multi_touch_report_desc_t udi_hid_multi_touch_report_desc

HID report descriptor for standard HID multi-touch.

Referenced by udi_hid_multi_touch_setup().

COMPILER_WORD_ALIGNED uint8_t udi_hid_multi_touch_report_feature[UDI_HID_REPORT_FEATURE_SIZE]

static

Report to receive via SetFeature.

Referenced by udi_hid_multi_touch_setupreport().

COMPILER_WORD_ALIGNED uint8_t udi_hid_multi_touch_report_in[UDI_HID_REPORT_IN_SIZE]

static

Report to send.

Referenced by udi_hid_multi_touch_enable(), and udi_hid_multi_touch_send_report_in().