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added tud_set_self_powered(), fix #50 reponse to GET_STATUS request

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hathach 2019-03-30 14:34:38 +07:00
parent d9682f8240
commit cabf6abb4f
2 changed files with 59 additions and 52 deletions
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110
src/device/usbd.c
View File

@ -181,6 +181,11 @@ bool tud_mounted(void)
return _usbd_dev.configured;
}
void tud_set_self_powered(bool self_powered)
{
_usbd_dev.self_powered = self_powered;
}
bool tud_remote_wakeup(void)
{
// only wake up host if this feature is enabled
@ -194,6 +199,8 @@ bool tud_remote_wakeup(void)
//--------------------------------------------------------------------+
bool usbd_init (void)
{
tu_varclr(&_usbd_dev);
// Init device queue & task
_usbd_q = osal_queue_create(&_usbd_qdef);
TU_ASSERT(_usbd_q != NULL);
@ -210,7 +217,13 @@ bool usbd_init (void)
static void usbd_reset(uint8_t rhport)
{
// self_powered bit is set by application and unchanged
bool self_powered = _usbd_dev.self_powered;
tu_varclr(&_usbd_dev);
_usbd_dev.self_powered = self_powered;
memset(_usbd_dev.itf2drv, 0xff, sizeof(_usbd_dev.itf2drv)); // invalid mapping
memset(_usbd_dev.ep2drv , 0xff, sizeof(_usbd_dev.ep2drv )); // invalid mapping
@ -304,9 +317,6 @@ void tud_task (void)
}
break;
// NOTE: When unplugging device, the D+/D- state are unstable and can accidentally meet the
// SUSPEND condition ( Idle for 3ms ). Most likely when this happen both suspend and resume
// are submitted by DCD before the actual UNPLUGGED
case DCD_EVENT_SUSPEND:
if (tud_suspend_cb) tud_suspend_cb( _usbd_dev.remote_wakeup_en );
break;
@ -357,26 +367,20 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
return false;
}
void* data_buf = NULL;
uint16_t data_len = 0;
uint8_t cfgnum_tmp;
(void) cfgnum_tmp; // only used for GET_CONFIGURATION
switch ( p_request->bRequest )
{
case TUSB_REQ_SET_ADDRESS:
// DCD must include zero-length status response since depending on mcu,
// status could be sent either before or after changing device address
// Depending on mcu, status phase could be sent either before or after changing device address
// Therefore DCD must include zero-length status response
dcd_set_address(rhport, (uint8_t) p_request->wValue);
return true; // skip the rest
return true; // skip status
break;
case TUSB_REQ_GET_CONFIGURATION:
cfgnum_tmp = _usbd_dev.configured ? 1 : 0;
data_buf = &cfgnum_tmp;
data_len = 1;
{
uint8_t cfgnum = _usbd_dev.configured ? 1 : 0;
usbd_control_xfer(rhport, p_request, &cfgnum, 1);
}
break;
case TUSB_REQ_SET_CONFIGURATION:
@ -387,39 +391,51 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
_usbd_dev.configured = cfg_num ? 1 : 0;
TU_ASSERT( process_set_config(rhport) );
usbd_control_status(rhport, p_request);
}
break;
case TUSB_REQ_GET_DESCRIPTOR:
data_buf = (void*) get_descriptor(p_request, &data_len);
if ( data_buf == NULL || data_len == 0 ) return false;
{
uint16_t len = 0;
void* buf = (void*) get_descriptor(p_request, &len);
if ( buf == NULL || len == 0 ) return false;
usbd_control_xfer(rhport, p_request, buf, len);
}
break;
case TUSB_REQ_SET_FEATURE:
if ( TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue )
{
// Host enable remote wake up before suspending especially HID device
_usbd_dev.remote_wakeup_en = true;
}
// Only support remote wakeup for device feature
TU_VERIFY(TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue);
// Host may enable remote wake up before suspending especially HID device
_usbd_dev.remote_wakeup_en = true;
usbd_control_status(rhport, p_request);
break;
case TUSB_REQ_CLEAR_FEATURE:
if ( TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue )
{
// Host disable remote wake up after resuming
_usbd_dev.remote_wakeup_en = false;
}
// Only support remote wakeup for device feature
TU_VERIFY(TUSB_REQ_FEATURE_REMOTE_WAKEUP == p_request->wValue);
// Host may disable remote wake up after resuming
_usbd_dev.remote_wakeup_en = false;
usbd_control_status(rhport, p_request);
break;
case TUSB_REQ_GET_STATUS:
{
// Device status bit mask
// - Bit 0: Self Powered
// - Bit 1: Remote Wakeup enabled
uint16_t status = (_usbd_dev.self_powered ? 1 : 0) | (_usbd_dev.remote_wakeup_en ? 2 : 0);
usbd_control_xfer(rhport, p_request, &status, 2);
}
break;
// Unknown/Unsupported request
default: TU_BREAKPOINT(); return false;
}
usbd_control_xfer(rhport, p_request, data_buf, data_len);
break;
//------------- Class/Interface Specific Request -------------//
@ -439,12 +455,8 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
//------------- Endpoint Request -------------//
case TUSB_REQ_RCPT_ENDPOINT:
if ( TUSB_REQ_TYPE_STANDARD != p_request->bmRequestType_bit.type )
{
// Non standard request is not supported
TU_BREAKPOINT();
return false;
}
// Non standard request is not supported
TU_VERIFY( TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type );
switch ( p_request->bRequest )
{
@ -459,16 +471,16 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
if ( TUSB_REQ_FEATURE_EDPT_HALT == p_request->wValue )
{
dcd_edpt_clear_stall(rhport, tu_u16_low(p_request->wIndex));
usbd_control_status(rhport, p_request);
}
usbd_control_status(rhport, p_request);
break;
case TUSB_REQ_SET_FEATURE:
if ( TUSB_REQ_FEATURE_EDPT_HALT == p_request->wValue )
{
usbd_edpt_stall(rhport, tu_u16_low(p_request->wIndex));
usbd_control_status(rhport, p_request);
}
usbd_control_status(rhport, p_request);
break;
// Unknown/Unsupported request
@ -626,23 +638,17 @@ void dcd_event_handler(dcd_event_t const * event, bool in_isr)
// nothing to do now
break;
// NOTE: When unplugging device, the D+/D- state are unstable and can accidentally meet the
// SUSPEND condition ( Idle for 3ms ). Most likely when this happen both suspend and resume
// are submitted by DCD before the actual UNPLUGGED
case DCD_EVENT_SUSPEND:
if (_usbd_dev.connected ) // skip event if disconnected
{
_usbd_dev.suspended = 1;
osal_queue_send(_usbd_q, event, in_isr);
}
// NOTE: When unplugging device, the D+/D- state are unstable and can accidentally meet the
// SUSPEND condition ( Idle for 3ms ). Most likely when this happen both suspend and resume
// are submitted by DCD before the actual UNPLUGGED
_usbd_dev.suspended = 1;
osal_queue_send(_usbd_q, event, in_isr);
break;
case DCD_EVENT_RESUME:
if (_usbd_dev.connected ) // skip event if disconnected
{
_usbd_dev.suspended = 0;
osal_queue_send(_usbd_q, event, in_isr);
}
_usbd_dev.suspended = 0;
osal_queue_send(_usbd_q, event, in_isr);
break;
case DCD_EVENT_SETUP_RECEIVED:

1
src/device/usbd.h
View File

@ -63,6 +63,7 @@ bool tud_mounted(void);
void tud_task (void);
bool tud_remote_wakeup(void);
void tud_set_self_powered(bool self_powered);
//--------------------------------------------------------------------+
// Application Callbacks (WEAK is optional)