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add tuh_hid_receive_report() for applicaiton to explicitly request report

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This commit is contained in:
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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39
src/class/hid/hid_host.c
View File

@@ -52,8 +52,8 @@ typedef struct
uint16_t epin_size;
uint16_t epout_size;
uint8_t epin_buf[CFG_TUH_HID_EP_BUFSIZE];
uint8_t epout_buf[CFG_TUH_HID_EP_BUFSIZE];
uint8_t epin_buf[CFG_TUH_HID_EPIN_BUFSIZE];
uint8_t epout_buf[CFG_TUH_HID_EPOUT_BUFSIZE];
} hidh_interface_t;
typedef struct
@@ -72,13 +72,8 @@ TU_ATTR_ALWAYS_INLINE static inline hidh_interface_t* get_instance(uint8_t dev_a
static uint8_t get_instance_id_by_itfnum(uint8_t dev_addr, uint8_t itf);
static uint8_t get_instance_id_by_epaddr(uint8_t dev_addr, uint8_t ep_addr);
TU_ATTR_ALWAYS_INLINE static inline bool hidh_get_report(uint8_t dev_addr, hidh_interface_t* hid_itf)
{
return usbh_edpt_xfer(dev_addr, hid_itf->ep_in, hid_itf->epin_buf, hid_itf->epin_size);
}
//--------------------------------------------------------------------+
// Application API
// Interface API
//--------------------------------------------------------------------+
uint8_t tuh_hid_instance_count(uint8_t dev_addr)
@@ -98,6 +93,10 @@ uint8_t tuh_hid_interface_protocol(uint8_t dev_addr, uint8_t instance)
return hid_itf->itf_protocol;
}
//--------------------------------------------------------------------+
// Control Endpoint API
//--------------------------------------------------------------------+
uint8_t tuh_hid_get_protocol(uint8_t dev_addr, uint8_t instance)
{
hidh_interface_t* hid_itf = get_instance(dev_addr, instance);
@@ -186,6 +185,20 @@ bool tuh_hid_set_report(uint8_t dev_addr, uint8_t instance, uint8_t report_id, u
return true;
}
//--------------------------------------------------------------------+
// Interrupt Endpoint API
//--------------------------------------------------------------------+
bool tuh_hid_receive_report(uint8_t dev_addr, uint8_t instance)
{
hidh_interface_t* hid_itf = get_instance(dev_addr, instance);
// claim endpoint
TU_VERIFY( usbh_edpt_claim(dev_addr, hid_itf->ep_in) );
return usbh_edpt_xfer(dev_addr, hid_itf->ep_in, hid_itf->epin_buf, hid_itf->epin_size);
}
//bool tuh_n_hid_n_ready(uint8_t dev_addr, uint8_t instance)
//{
// TU_VERIFY(tuh_n_hid_n_mounted(dev_addr, instance));
@@ -217,9 +230,6 @@ bool hidh_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint3
TU_LOG2(" Get Report callback (%u, %u)\r\n", dev_addr, instance);
TU_LOG1_MEM(hid_itf->epin_buf, 8, 2);
tuh_hid_report_received_cb(dev_addr, instance, hid_itf->epin_buf, xferred_bytes);
// queue next report
hidh_get_report(dev_addr, hid_itf);
}else
{
if (tuh_hid_report_sent_cb) tuh_hid_report_sent_cb(dev_addr, instance, hid_itf->epout_buf, xferred_bytes);
@@ -255,6 +265,8 @@ bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de
TU_VERIFY(TUSB_CLASS_HID == desc_itf->bInterfaceClass);
TU_LOG2("HID opening Interface %u (addr = %u)\r\n", desc_itf->bInterfaceNumber, dev_addr);
// len = interface + hid + n*endpoints
uint16_t const drv_len = sizeof(tusb_desc_interface_t) + sizeof(tusb_hid_descriptor_hid_t) + desc_itf->bNumEndpoints*sizeof(tusb_desc_endpoint_t);
TU_ASSERT(max_len >= drv_len);
@@ -336,7 +348,7 @@ static bool config_set_protocol(uint8_t dev_addr, tusb_control_request_t const *
uint8_t const instance = get_instance_id_by_itfnum(dev_addr, itf_num);
hidh_interface_t* hid_itf = get_instance(dev_addr, instance);
TU_LOG2("HID Set Protocol\r\n");
TU_LOG2("HID Set Protocol to Boot Mode\r\n");
hid_itf->protocol_mode = HID_PROTOCOL_BOOT;
tusb_control_request_t const new_request =
{
@@ -422,9 +434,6 @@ static void config_driver_mount_complete(uint8_t dev_addr, uint8_t instance, uin
// enumeration is complete
tuh_hid_mount_cb(dev_addr, instance, desc_report, desc_len);
// queue transfer for IN endpoint
hidh_get_report(dev_addr, hid_itf);
// notify usbh that driver enumeration is complete
usbh_driver_set_config_complete(dev_addr, hid_itf->itf_num);
}

30
src/class/hid/hid_host.h
View File

@@ -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);