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add tuh_hid_set_default_protocol() to set default USB host HID protocol

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Xudong Zheng 2023-08-27 15:21:15 -04:00 committed by hathach
parent f03f60eae2
commit 2fed722b00
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2 changed files with 14 additions and 2 deletions
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11
src/class/hid/hid_host.c
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@ -211,6 +211,13 @@ static void set_protocol_complete(tuh_xfer_t* xfer)
}
}
CFG_TUH_MEM_SECTION
tu_static uint8_t _hidh_default_protocol = HID_PROTOCOL_BOOT;
void tuh_hid_set_default_protocol(uint8_t protocol) {
_hidh_default_protocol = protocol;
}
static bool _hidh_set_protocol(uint8_t daddr, uint8_t itf_num, uint8_t protocol, tuh_xfer_cb_t complete_cb, uintptr_t user_data)
{
TU_LOG_DRV("HID Set Protocol = %d\r\n", protocol);
@ -521,7 +528,7 @@ bool hidh_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const *desc_
p_hid->report_desc_len = tu_unaligned_read16(&desc_hid->wReportLength);
// Per HID Specs: default is Report protocol, though we will force Boot protocol when set_config
p_hid->protocol_mode = HID_PROTOCOL_BOOT;
p_hid->protocol_mode = _hidh_default_protocol;
if ( HID_SUBCLASS_BOOT == desc_itf->bInterfaceSubClass )
{
p_hid->itf_protocol = desc_itf->bInterfaceProtocol;
@ -591,7 +598,7 @@ static void process_set_config(tuh_xfer_t* xfer)
break;
case CONFIG_SET_PROTOCOL:
_hidh_set_protocol(daddr, p_hid->itf_num, HID_PROTOCOL_BOOT, process_set_config, CONFIG_GET_REPORT_DESC);
_hidh_set_protocol(daddr, p_hid->itf_num, _hidh_default_protocol, process_set_config, CONFIG_GET_REPORT_DESC);
break;
case CONFIG_GET_REPORT_DESC:

5
src/class/hid/hid_host.h
View File

@ -97,6 +97,11 @@ uint8_t tuh_hid_parse_report_descriptor(tuh_hid_report_info_t* reports_info_arr,
// Application can use set_protocol() to switch back to Report protocol.
uint8_t tuh_hid_get_protocol(uint8_t dev_addr, uint8_t idx);
// Device by default is initialized in Boot protocol for simplicity. Application
// can use this to modify the default protocol before calling tuh_init(), or use
// set_protocol() to change the protocol after initialization.
void tuh_hid_set_default_protocol(uint8_t protocol);
// Set protocol to HID_PROTOCOL_BOOT (0) or HID_PROTOCOL_REPORT (1)
// This function is only supported by Boot interface (tuh_n_hid_interface_protocol() != NONE)
bool tuh_hid_set_protocol(uint8_t dev_addr, uint8_t idx, uint8_t protocol);