diff options
| author | MasterPhi <[email protected]> | 2021-09-10 13:05:15 +0200 |
|---|---|---|
| committer | MasterPhi <[email protected]> | 2021-09-10 13:05:15 +0200 |
| commit | 8886de0d8a14daa70d1fcf4101e3fdeda12a1b26 (patch) | |
| tree | ecf1772acd4c4ab85910a3486b781dddac70169c /src | |
| parent | d66d817c38d3da25198dbef90e8e0cd516f4508e (diff) | |
Fix remote_wakeup
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/nuvoton/nuc121/dcd_nuc121.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/portable/nuvoton/nuc121/dcd_nuc121.c b/src/portable/nuvoton/nuc121/dcd_nuc121.c index 7edafe5d3..d101550b6 100644 --- a/src/portable/nuvoton/nuc121/dcd_nuc121.c +++ b/src/portable/nuvoton/nuc121/dcd_nuc121.c @@ -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 |