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Merge pull request #1087 from HiFiPhile/nuc_wkp

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NUC126: fix remote_wakeup
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Ha Thach 2021-09-14 11:40:55 +07:00 committed by GitHub
commit 6d3fb7eb98
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1 changed files with 25 additions and 11 deletions
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36
src/portable/nuvoton/nuc121/dcd_nuc121.c
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@ -200,11 +200,10 @@ static void bus_reset(void)
}
/* centralized location for USBD interrupt enable bit mask */
#if USE_SOF
static const uint32_t enabled_irqs = USBD_INTSTS_VBDETIF_Msk | USBD_INTSTS_BUSIF_Msk | USBD_INTSTS_SETUP_Msk | USBD_INTSTS_USBIF_Msk | USBD_INTSTS_SOFIF_Msk;
#else
static const uint32_t enabled_irqs = USBD_INTSTS_VBDETIF_Msk | USBD_INTSTS_BUSIF_Msk | USBD_INTSTS_SETUP_Msk | USBD_INTSTS_USBIF_Msk;
#endif
enum {
ENABLED_IRQS = USBD_INTSTS_VBDETIF_Msk | USBD_INTSTS_BUSIF_Msk | USBD_INTSTS_SETUP_Msk |
USBD_INTSTS_USBIF_Msk | (USE_SOF ? USBD_INTSTS_SOFIF_Msk : 0)
};
/*
NUC121/NUC125/NUC126 TinyUSB API driver implementation
@ -226,8 +225,8 @@ void dcd_init(uint8_t rhport)
usb_attach();
USBD->INTSTS = enabled_irqs;
USBD->INTEN = enabled_irqs;
USBD->INTSTS = ENABLED_IRQS;
USBD->INTEN = ENABLED_IRQS;
}
void dcd_int_enable(uint8_t rhport)
@ -252,10 +251,23 @@ 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)
@ -367,14 +379,16 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
USBD_EP_T *ep = ep_entry(ep_addr, false);
ep->CFG |= USBD_CFG_CSTALL_Msk;
ep->CFG = (ep->CFG & ~USBD_CFG_DSQSYNC_Msk) | USBD_CFG_CSTALL_Msk;
}
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
@ -505,7 +519,7 @@ void dcd_int_handler(uint8_t rhport)
}
/* acknowledge all interrupts */
USBD->INTSTS = status & enabled_irqs;
USBD->INTSTS = status & ENABLED_IRQS;
}
// Invoked when a control transfer's status stage is complete.