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remove connected check for DCD_EVENT_UNPLUGGED since previous bus reset can clear this

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implement unplugged detection for trans dimension dcd
This commit is contained in:
hathach 2021-09-09 16:01:05 +07:00
parent f81368174b
commit 27800f7e4f
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GPG Key ID: 2FA891220FBFD581
2 changed files with 20 additions and 22 deletions
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14
src/device/usbd.c
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@ -1064,15 +1064,11 @@ void dcd_event_handler(dcd_event_t const * event, bool in_isr)
switch (event->event_id)
{
case DCD_EVENT_UNPLUGGED:
// UNPLUGGED event can be bouncing, only processing if we are currently connected
if ( _usbd_dev.connected )
{
_usbd_dev.connected = 0;
_usbd_dev.addressed = 0;
_usbd_dev.cfg_num = 0;
_usbd_dev.suspended = 0;
osal_queue_send(_usbd_q, event, in_isr);
}
_usbd_dev.connected = 0;
_usbd_dev.addressed = 0;
_usbd_dev.cfg_num = 0;
_usbd_dev.suspended = 0;
osal_queue_send(_usbd_q, event, in_isr);
break;
case DCD_EVENT_SUSPEND:

28
src/portable/nxp/transdimension/dcd_transdimension.c
View File

@ -245,7 +245,7 @@ void dcd_init(uint8_t rhport)
dcd_reg->ENDPTLISTADDR = (uint32_t) _dcd_data.qhd; // Endpoint List Address has to be 2K alignment
dcd_reg->USBSTS = dcd_reg->USBSTS;
dcd_reg->USBINTR = INTR_USB | INTR_ERROR | INTR_PORT_CHANGE | INTR_RESET | INTR_SUSPEND /*| INTR_SOF*/;
dcd_reg->USBINTR = INTR_USB | INTR_ERROR | INTR_PORT_CHANGE | INTR_RESET | INTR_SUSPEND;
dcd_reg->USBCMD &= ~0x00FF0000; // Interrupt Threshold Interval = 0
dcd_reg->USBCMD |= USBCMD_RUN_STOP; // Connect
@ -272,7 +272,9 @@ void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
void dcd_remote_wakeup(uint8_t rhport)
{
(void) rhport;
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
(void) dcd_reg;
// dcd_reg->PORTSC1 =
}
void dcd_connect(uint8_t rhport)
@ -412,7 +414,7 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t t
//--------------------------------------------------------------------+
void dcd_int_handler(uint8_t rhport)
{
dcd_registers_t* const dcd_reg = _dcd_controller[rhport].regs;
dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
uint32_t const int_enable = dcd_reg->USBINTR;
uint32_t const int_status = dcd_reg->USBSTS & int_enable;
@ -433,6 +435,7 @@ void dcd_int_handler(uint8_t rhport)
if (dcd_reg->PORTSC1 & PORTSC1_SUSPEND)
{
// Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration.
// Skip suspend event if we are not addressed
if ((dcd_reg->DEVICEADDR >> 25) & 0x0f)
{
dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
@ -440,19 +443,18 @@ void dcd_int_handler(uint8_t rhport)
}
}
// Set if the port controller enters the full or high-speed operational state.
if (int_status & INTR_PORT_CHANGE)
{
if ( !(dcd_reg->PORTSC1 & PORTSC1_CURRENT_CONNECT_STATUS) )
{
dcd_event_bus_signal(rhport, DCD_EVENT_UNPLUGGED, true);
}
}
// Make sure we read the latest version of _dcd_data.
CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t));
// TODO disconnection does not generate interrupt !!!!!!
// if (int_status & INTR_PORT_CHANGE)
// {
// if ( !(dcd_reg->PORTSC1 & PORTSC1_CURRENT_CONNECT_STATUS) )
// {
// dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_UNPLUGGED };
// dcd_event_handler(&event, true);
// }
// }
if (int_status & INTR_USB)
{
uint32_t const edpt_complete = dcd_reg->ENDPTCOMPLETE;