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CFG_TUH_HID_SET_PROTOCOL_ON_ENUM option to skip set_protocol on enum, default is 1

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hathach
2026-03-17 15:50:12 +07:00
parent 151a5ad198
commit 28e14abdc7
2 changed files with 19 additions and 16 deletions
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24
src/class/hid/hid_host.c
View File

@ -240,7 +240,7 @@ 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,
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);
@ -272,7 +272,7 @@ bool tuh_hid_set_protocol(uint8_t daddr, uint8_t idx, uint8_t protocol) {
hidh_interface_t* p_hid = get_hid_itf(daddr, idx);
TU_VERIFY(p_hid && p_hid->itf_protocol != HID_ITF_PROTOCOL_NONE);
return _hidh_set_protocol(daddr, p_hid->itf_num, protocol, set_protocol_complete, 0);
return hidh_set_protocol(daddr, p_hid->itf_num, protocol, set_protocol_complete, 0);
}
static void get_report_complete(tuh_xfer_t* xfer) {
@ -359,7 +359,7 @@ bool tuh_hid_set_report(uint8_t daddr, uint8_t idx, uint8_t report_id, uint8_t r
return tuh_control_xfer(&xfer);
}
static bool _hidh_set_idle(uint8_t daddr, uint8_t itf_num, uint16_t idle_rate,
static bool hidh_set_idle(uint8_t daddr, uint8_t itf_num, uint16_t idle_rate,
tuh_xfer_cb_t complete_cb, uintptr_t user_data) {
// SET IDLE request, device can stall if not support this request
TU_LOG_DRV("HID Set Idle \r\n");
@ -623,25 +623,27 @@ static void process_set_config(tuh_xfer_t* xfer) {
switch (state) {
case CONFG_SET_IDLE: {
// Idle rate = 0 mean only report when there is changes
// Idle rate = 0 mean only report when there are changes
const uint16_t idle_rate = 0;
const uintptr_t next_state = (p_hid->itf_protocol != HID_ITF_PROTOCOL_NONE)
? CONFIG_SET_PROTOCOL : CONFIG_GET_REPORT_DESC;
_hidh_set_idle(daddr, itf_num, idle_rate, process_set_config, next_state);
hidh_set_idle(daddr, itf_num, idle_rate, process_set_config, next_state);
break;
}
case CONFIG_SET_PROTOCOL:
_hidh_set_protocol(daddr, p_hid->itf_num, _hidh_default_protocol, process_set_config, CONFIG_GET_REPORT_DESC);
#if CFG_TUH_HID_SET_PROTOCOL_ON_ENUM
hidh_set_protocol(daddr, p_hid->itf_num, _hidh_default_protocol, process_set_config, CONFIG_GET_REPORT_DESC);
break;
#else
TU_ATTR_FALLTHROUGH;
#endif
case CONFIG_GET_REPORT_DESC:
// Get Report Descriptor if possible
// using usbh enumeration buffer since report descriptor can be very long
// using usbh enumeration buffer since the report descriptor can be very long
if (p_hid->report_desc_len > CFG_TUH_ENUMERATION_BUFSIZE) {
TU_LOG_DRV("HID Skip Report Descriptor since it is too large %u bytes\r\n", p_hid->report_desc_len);
// Driver is mounted without report descriptor
config_driver_mount_complete(daddr, idx, NULL, 0);
} else {
tuh_descriptor_get_hid_report(daddr, itf_num, p_hid->report_desc_type, 0,
@ -651,8 +653,8 @@ static void process_set_config(tuh_xfer_t* xfer) {
break;
case CONFIG_COMPLETE: {
uint8_t const* desc_report = usbh_get_enum_buf();
uint16_t const desc_len = tu_le16toh(xfer->setup->wLength);
const uint8_t *desc_report = usbh_get_enum_buf();
const uint16_t desc_len = tu_le16toh(xfer->setup->wLength);
config_driver_mount_complete(daddr, idx, desc_report, desc_len);
break;

11
src/class/hid/hid_host.h
View File

@ -36,7 +36,6 @@ extern "C" {
//--------------------------------------------------------------------+
// Class Driver Configuration
//--------------------------------------------------------------------+
// TODO Highspeed interrupt can be up to 512 bytes
#ifndef CFG_TUH_HID_EPIN_BUFSIZE
#define CFG_TUH_HID_EPIN_BUFSIZE 64
@ -46,7 +45,13 @@ extern "C" {
#define CFG_TUH_HID_EPOUT_BUFSIZE 64
#endif
#ifndef CFG_TUH_HID_SET_PROTOCOL_ON_ENUM
#define CFG_TUH_HID_SET_PROTOCOL_ON_ENUM 1
#endif
//--------------------------------------------------------------------+
// Interface API
//--------------------------------------------------------------------+
typedef struct {
uint8_t report_id;
uint8_t usage;
@ -57,10 +62,6 @@ typedef struct {
// uint8_t out_len; // length of OUT report
} tuh_hid_report_info_t;
//--------------------------------------------------------------------+
// Interface API
//--------------------------------------------------------------------+
// Get the total number of mounted HID interfaces of a device
uint8_t tuh_hid_itf_get_count(uint8_t dev_addr);