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Fix remote_wakeup

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This commit is contained in:
MasterPhi
2021-09-10 13:05:15 +02:00
parent d66d817c38
commit 8886de0d8a
1 changed files with 16 additions and 2 deletions
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18
src/portable/nuvoton/nuc121/dcd_nuc121.c
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@@ -252,10 +252,23 @@ void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
// do it at dcd_edpt0_status_complete()
}
static void remote_wakeup_delay(void)
{
// try to delay for 1 ms
uint32_t count = SystemCoreClock / 1000;
while(count--) __NOP();
}
void dcd_remote_wakeup(uint8_t rhport)
{
(void) rhport;
USBD->ATTR = USBD_ATTR_RWAKEUP_Msk;
// Enable PHY before sending Resume('K') state
USBD->ATTR |= USBD_ATTR_PHYEN_Msk;
USBD->ATTR |= USBD_ATTR_RWAKEUP_Msk;
// Per specs: remote wakeup signal bit must be clear within 1-15ms
remote_wakeup_delay();
USBD->ATTR &=~USBD_ATTR_RWAKEUP_Msk;
}
bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
@@ -374,7 +387,8 @@ void dcd_int_handler(uint8_t rhport)
{
(void) rhport;
uint32_t status = USBD->INTSTS;
// Mask non-enabled irqs, ex. SOF
uint32_t status = USBD->INTSTS & (enabled_irqs | 0xffffff00);
#ifdef SUPPORT_LPM
uint32_t state = USBD->ATTR & 0x300f;
#else