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add tuh_hid_receive_report() for applicaiton to explicitly request report

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hathach
2021-08-23 11:00:21 +07:00
parent 58477b71f2
commit 800f85329e
7 changed files with 73 additions and 55 deletions
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30
src/class/hid/hid_host.h
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@@ -38,10 +38,15 @@
//--------------------------------------------------------------------+
// TODO Highspeed interrupt can be up to 512 bytes
#ifndef CFG_TUH_HID_EP_BUFSIZE
#define CFG_TUH_HID_EP_BUFSIZE 64
#ifndef CFG_TUH_HID_EPIN_BUFSIZE
#define CFG_TUH_HID_EPIN_BUFSIZE 64
#endif
#ifndef CFG_TUH_HID_EPOUT_BUFSIZE
#define CFG_TUH_HID_EPOUT_BUFSIZE 64
#endif
typedef struct
{
uint8_t report_id;
@@ -54,7 +59,7 @@ typedef struct
} tuh_hid_report_info_t;
//--------------------------------------------------------------------+
// Application API
// Interface API
//--------------------------------------------------------------------+
// Get the number of HID instances
@@ -66,6 +71,14 @@ bool tuh_hid_mounted(uint8_t dev_addr, uint8_t instance);
// Get interface supported protocol (bInterfaceProtocol) check out hid_interface_protocol_enum_t for possible values
uint8_t tuh_hid_interface_protocol(uint8_t dev_addr, uint8_t instance);
// Parse report descriptor into array of report_info struct and return number of reports.
// For complicated report, application should write its own parser.
uint8_t tuh_hid_parse_report_descriptor(tuh_hid_report_info_t* reports_info_arr, uint8_t arr_count, uint8_t const* desc_report, uint16_t desc_len) TU_ATTR_UNUSED;
//--------------------------------------------------------------------+
// Control Endpoint API
//--------------------------------------------------------------------+
// Get current protocol: HID_PROTOCOL_BOOT (0) or HID_PROTOCOL_REPORT (1)
// Note: Device will be initialized in Boot protocol for simplicity.
// Application can use set_protocol() to switch back to Report protocol.
@@ -79,13 +92,18 @@ bool tuh_hid_set_protocol(uint8_t dev_addr, uint8_t instance, uint8_t protocol);
// report_type is either Intput, Output or Feature, (value from hid_report_type_t)
bool tuh_hid_set_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t report_type, void* report, uint16_t len);
// Parse report descriptor into array of report_info struct and return number of reports.
// For complicated report, application should write its own parser.
uint8_t tuh_hid_parse_report_descriptor(tuh_hid_report_info_t* reports_info_arr, uint8_t arr_count, uint8_t const* desc_report, uint16_t desc_len) TU_ATTR_UNUSED;
//--------------------------------------------------------------------+
// Interrupt Endpoint API
//--------------------------------------------------------------------+
// Check if the interface is ready to use
//bool tuh_n_hid_n_ready(uint8_t dev_addr, uint8_t instance);
// Try to receive next report on Interrupt Endpoint. Immediately return
// - true If succeeded, tuh_hid_report_received_cb() callback will be invoked when report is available
// - false if failed to queue the transfer e.g endpoint is busy
bool tuh_hid_receive_report(uint8_t dev_addr, uint8_t instance);
// Send report using interrupt endpoint
// If report_id > 0 (composite), it will be sent as 1st byte, then report contents. Otherwise only report content is sent.
//void tuh_hid_send_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, uint8_t const* report, uint16_t len);