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get protocol when enum with hid boot interface

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hathach 2021-05-22 23:30:41 +07:00
parent 56577d9fca
commit a1dab1611b
1 changed files with 39 additions and 7 deletions

46
src/class/hid/hid_host.c

@ -251,8 +251,9 @@ void hidh_close(uint8_t dev_addr)
// Enumeration // Enumeration
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
static bool config_set_idle_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); static bool config_get_protocol (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result);
static bool config_get_report_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result); static bool config_get_report_desc (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result);
static bool config_get_report_desc_complete (uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result);
bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t *p_length) bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *desc_itf, uint16_t *p_length)
{ {
@ -299,11 +300,14 @@ bool hidh_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *de
bool hidh_set_config(uint8_t dev_addr, uint8_t itf_num) bool hidh_set_config(uint8_t dev_addr, uint8_t itf_num)
{ {
uint8_t const instance = get_instance_id_by_itfnum(dev_addr, itf_num);
hidh_interface_t* hid_itf = get_instance(dev_addr, instance);
// Idle rate = 0 mean only report when there is changes // Idle rate = 0 mean only report when there is changes
uint16_t const idle_rate = 0; uint16_t const idle_rate = 0;
// SET IDLE request, device can stall if not support this request // SET IDLE request, device can stall if not support this request
TU_LOG2("Set Idle \r\n"); TU_LOG2("HID Set Idle \r\n");
tusb_control_request_t const request = tusb_control_request_t const request =
{ {
.bmRequestType_bit = .bmRequestType_bit =
@ -318,14 +322,42 @@ bool hidh_set_config(uint8_t dev_addr, uint8_t itf_num)
.wLength = 0 .wLength = 0
}; };
TU_ASSERT( tuh_control_xfer(dev_addr, &request, NULL, config_set_idle_complete) ); TU_ASSERT( tuh_control_xfer(dev_addr, &request, NULL, (hid_itf->itf_protocol != HID_ITF_PROTOCOL_NONE) ? config_get_protocol : config_get_report_desc) );
return true; return true;
} }
bool config_set_idle_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) static bool config_get_protocol(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result)
{ {
// Stall is a valid response for SET_IDLE, therefore we could ignore its result // Stall is a valid response for SET_IDLE GET_PROTOCOL, therefore we could ignore its result
(void) result;
uint8_t const itf_num = (uint8_t) request->wIndex;
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 Get Protocol\r\n");
tusb_control_request_t const new_request =
{
.bmRequestType_bit =
{
.recipient = TUSB_REQ_RCPT_INTERFACE,
.type = TUSB_REQ_TYPE_CLASS,
.direction = TUSB_DIR_IN
},
.bRequest = HID_REQ_CONTROL_GET_PROTOCOL,
.wValue = 0,
.wIndex = hid_itf->itf_num,
.wLength = 1
};
TU_ASSERT( tuh_control_xfer(dev_addr, &new_request, &hid_itf->protocol_mode, config_get_report_desc) );
return false;
}
static bool config_get_report_desc(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result)
{
// Stall is a valid response for SET_IDLE GET_PROTOCOL, therefore we could ignore its result
(void) result; (void) result;
uint8_t const itf_num = (uint8_t) request->wIndex; uint8_t const itf_num = (uint8_t) request->wIndex;
@ -355,7 +387,7 @@ bool config_set_idle_complete(uint8_t dev_addr, tusb_control_request_t const * r
return true; return true;
} }
bool config_get_report_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result) static bool config_get_report_desc_complete(uint8_t dev_addr, tusb_control_request_t const * request, xfer_result_t result)
{ {
TU_ASSERT(XFER_RESULT_SUCCESS == result); TU_ASSERT(XFER_RESULT_SUCCESS == result);