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tud_hid_report_complete_cb() API

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update hid composite to make use of tud_hid_report_complete_cb() for
sending reports when possible.
This commit is contained in:
hathach 2021-02-09 15:57:29 +07:00
parent ecd16cf24b
commit d2b8e591f6
6 changed files with 136 additions and 95 deletions
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6
changelog.md
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@ -1,5 +1,11 @@
# TinyUSB Changelog
## WIP
- Fix dropping MIDI sysex message when fifo is full
- Add DPad/Hat support for HID Gamepad
- Add tud_hid_report_complete_cb() API
## 0.8.0 - 2021.02.05
### Device Controller Driver

195
examples/device/hid_composite/src/main.c
View File

@ -104,6 +104,98 @@ void tud_resume_cb(void)
// USB HID
//--------------------------------------------------------------------+
static void send_hid_report(uint8_t report_id, uint32_t btn)
{
// skip if hid is not ready yet
if ( !tud_hid_ready() ) return;
switch(report_id)
{
case REPORT_ID_KEYBOARD:
{
// use to avoid send multiple consecutive zero report for keyboard
static bool has_keyboard_key = false;
if ( btn )
{
uint8_t keycode[6] = { 0 };
keycode[0] = HID_KEY_A;
tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode);
has_keyboard_key = true;
}else
{
// send empty key report if previously has key pressed
if (has_keyboard_key) tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL);
has_keyboard_key = false;
}
}
break;
case REPORT_ID_MOUSE:
{
int8_t const delta = 5;
// no button, right + down, no scroll, no pan
tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta, delta, 0, 0);
}
break;
case REPORT_ID_CONSUMER_CONTROL:
{
// use to avoid send multiple consecutive zero report
static bool has_consumer_key = false;
if ( btn )
{
// volume down
uint16_t volume_down = HID_USAGE_CONSUMER_VOLUME_DECREMENT;
tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &volume_down, 2);
has_consumer_key = true;
}else
{
// send empty key report (release key) if previously has key pressed
uint16_t empty_key = 0;
if (has_consumer_key) tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &empty_key, 2);
has_consumer_key = false;
}
}
break;
case REPORT_ID_GAMEPAD:
{
// use to avoid send multiple consecutive zero report for keyboard
static bool has_gamepad_key = false;
hid_gamepad_report_t report =
{
.x = 0, .y = 0, .z = 0, .rz = 0, .rx = 0, .ry = 0,
.hat = 0, .buttons = 0
};
if ( btn )
{
report.hat = GAMEPAD_HAT_UP;
report.buttons = GAMEPAD_BUTTON_A;
tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
has_gamepad_key = true;
}else
{
report.hat = GAMEPAD_HAT_CENTERED;
report.buttons = 0;
if (has_gamepad_key) tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
has_gamepad_key = false;
}
}
break;
default: break;
}
}
// Every 10ms, we will sent 1 report for each HID profile (keyboard, mouse etc ..)
// tud_hid_report_complete_cb() is used to send the next report after previous one is complete
void hid_task(void)
{
// Poll every 10ms
@ -121,97 +213,26 @@ void hid_task(void)
// Wake up host if we are in suspend mode
// and REMOTE_WAKEUP feature is enabled by host
tud_remote_wakeup();
}
/*------------- Mouse -------------*/
if ( tud_hid_ready() )
}else
{
if ( btn )
{
int8_t const delta = 5;
// no button, right + down, no scroll pan
tud_hid_mouse_report(REPORT_ID_MOUSE, 0x00, delta, delta, 0, 0);
// delay a bit before sending keyboard report
board_delay(10);
}
// Send the 1st of report chain, the rest will be sent by tud_hid_report_complete_cb()
send_hid_report(REPORT_ID_KEYBOARD, btn);
}
}
/*------------- Keyboard -------------*/
if ( tud_hid_ready() )
// Invoked when sent REPORT successfully to host
// Application can use this to send the next report
// Note: For composite reports, report[0] is report ID
void tud_hid_report_complete_cb(uint8_t itf, uint8_t const* report, uint8_t len)
{
(void) itf;
(void) len;
uint8_t next_report_id = report[0] + 1;
if (next_report_id < REPORT_ID_COUNT)
{
// use to avoid send multiple consecutive zero report for keyboard
static bool has_key = false;
if ( btn )
{
uint8_t keycode[6] = { 0 };
keycode[0] = HID_KEY_A;
tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode);
has_key = true;
}else
{
// send empty key report if previously has key pressed
if (has_key) tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, NULL);
has_key = false;
}
// delay a bit before sending consumer report
board_delay(10);
}
/*------------- Consume Control -------------*/
if ( tud_hid_ready() )
{
// use to avoid send multiple consecutive zero report
static bool has_consumer_key = false;
if ( btn )
{
// volume down
uint16_t volume_down = HID_USAGE_CONSUMER_VOLUME_DECREMENT;
tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &volume_down, 2);
has_consumer_key = true;
}else
{
// send empty key report (release key) if previously has key pressed
uint16_t empty_key = 0;
if (has_consumer_key) tud_hid_report(REPORT_ID_CONSUMER_CONTROL, &empty_key, 2);
has_consumer_key = false;
}
// delay a bit before sending next report
board_delay(10);
}
/*------------- Gamepad -------------*/
if ( tud_hid_ready() )
{
// use to avoid send multiple consecutive zero report for keyboard
static bool has_gamepad_key = false;
hid_gamepad_report_t report =
{
.x = 0, .y = 0, .z = 0, .rz = 0, .rx = 0, .ry = 0,
.hat = 0, .buttons = 0
};
if ( btn )
{
report.hat = GAMEPAD_HAT_UP;
tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
has_gamepad_key = true;
}else
{
report.hat = GAMEPAD_HAT_CENTERED;
if (has_gamepad_key) tud_hid_report(REPORT_ID_GAMEPAD, &report, sizeof(report));
has_gamepad_key = false;
}
send_hid_report(next_report_id, board_button_read());
}
}

2
examples/device/hid_composite/src/usb_descriptors.c
View File

@ -107,7 +107,7 @@ uint8_t const desc_configuration[] =
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100),
// Interface number, string index, protocol, report descriptor len, EP In address, size & polling interval
TUD_HID_DESCRIPTOR(ITF_NUM_HID, 0, HID_PROTOCOL_NONE, sizeof(desc_hid_report), EPNUM_HID, CFG_TUD_HID_EP_BUFSIZE, 10)
TUD_HID_DESCRIPTOR(ITF_NUM_HID, 0, HID_PROTOCOL_NONE, sizeof(desc_hid_report), EPNUM_HID, CFG_TUD_HID_EP_BUFSIZE, 2)
};
// Invoked when received GET CONFIGURATION DESCRIPTOR

3
examples/device/hid_composite/src/usb_descriptors.h
View File

@ -30,7 +30,8 @@ enum
REPORT_ID_KEYBOARD = 1,
REPORT_ID_MOUSE,
REPORT_ID_CONSUMER_CONTROL,
REPORT_ID_GAMEPAD
REPORT_ID_GAMEPAD,
REPORT_ID_COUNT
};
#endif /* USB_DESCRIPTORS_H_ */

20
src/class/hid/hid_device.c
View File

@ -381,14 +381,24 @@ bool hidd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_
uint8_t itf = 0;
hidd_interface_t * p_hid = _hidd_itf;
for ( ; ; itf++, p_hid++)
// Identify which interface to use
for (itf = 0; itf < CFG_TUD_HID; itf++)
{
if (itf >= TU_ARRAY_SIZE(_hidd_itf)) return false;
if ( ep_addr == p_hid->ep_out ) break;
p_hid = &_hidd_itf[itf];
if ( (ep_addr == p_hid->ep_out) || (ep_addr == p_hid->ep_in) ) break;
}
TU_ASSERT(itf < CFG_TUD_HID);
if (ep_addr == p_hid->ep_out)
// Sent report successfully
if (ep_addr == p_hid->ep_in)
{
if (tud_hid_report_complete_cb)
{
tud_hid_report_complete_cb(itf, p_hid->epin_buf, (uint8_t) xferred_bytes);
}
}
// Received report
else if (ep_addr == p_hid->ep_out)
{
tud_hid_set_report_cb(
#if CFG_TUD_HID > 1

5
src/class/hid/hid_device.h
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@ -123,7 +123,10 @@ TU_ATTR_WEAK bool tud_hid_set_idle_cb(uint8_t idle_rate);
#endif
// TU_ATTR_WEAK void tud_hid_report_complete_cb(uint8_t itf, );
// Invoked when sent REPORT successfully to host
// Application can use this to send the next report
// Note: For composite reports, report[0] is report ID
TU_ATTR_WEAK void tud_hid_report_complete_cb(uint8_t itf, uint8_t const* report, uint8_t len);
//--------------------------------------------------------------------+