kingkevin
/
esp32-s2_dfu
1
0
Fork 0
Code Issues Releases Activity

implement remote wakeup for stm synopsys

This commit is contained in:
hathach 2021-09-08 00:57:07 +07:00
parent a54a974fa5
commit 4ac136d81d
1 changed files with 30 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
src/portable/st/synopsys/dcd_synopsys.c
View File

@ -555,13 +555,31 @@ void dcd_set_address (uint8_t rhport, uint8_t dev_addr)
dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0); dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0);
} }
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 dcd_remote_wakeup(uint8_t rhport)
{ {
(void) rhport; (void) rhport;
// TODO must manually clear this bit after 1-15 ms USB_OTG_GlobalTypeDef * usb_otg = GLOBAL_BASE(rhport);
// USB_OTG_DeviceTypeDef * dev = DEVICE_BASE(rhport); USB_OTG_DeviceTypeDef * dev = DEVICE_BASE(rhport);
// dev->DCTL |= USB_OTG_DCTL_RWUSIG;
// set remote wakeup
dev->DCTL |= USB_OTG_DCTL_RWUSIG;
// enable SOF to detect bus resume
usb_otg->GINTSTS = USB_OTG_GINTSTS_SOF;
usb_otg->GINTMSK |= USB_OTG_GINTMSK_SOFM;
// Per specs: remote wakeup signal bit must be clear within 1-15ms
remote_wakeup_delay();
dev->DCTL &= ~USB_OTG_DCTL_RWUSIG;
} }
void dcd_connect(uint8_t rhport) void dcd_connect(uint8_t rhport)
@ -1100,7 +1118,7 @@ void dcd_int_handler(uint8_t rhport)
USB_OTG_OUTEndpointTypeDef * out_ep = OUT_EP_BASE(rhport); USB_OTG_OUTEndpointTypeDef * out_ep = OUT_EP_BASE(rhport);
USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE(rhport); USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE(rhport);
uint32_t int_status = usb_otg->GINTSTS; uint32_t const int_status = usb_otg->GINTSTS & usb_otg->GINTMSK;
if(int_status & USB_OTG_GINTSTS_USBRST) if(int_status & USB_OTG_GINTSTS_USBRST)
{ {
@ -1133,6 +1151,9 @@ void dcd_int_handler(uint8_t rhport)
dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
} }
// TODO check USB_OTG_GINTSTS_DISCINT for disconnect detection
// if(int_status & USB_OTG_GINTSTS_DISCINT)
if(int_status & USB_OTG_GINTSTS_OTGINT) if(int_status & USB_OTG_GINTSTS_OTGINT)
{ {
// OTG INT bit is read-only // OTG INT bit is read-only
@ -1146,13 +1167,15 @@ void dcd_int_handler(uint8_t rhport)
usb_otg->GOTGINT = otg_int; usb_otg->GOTGINT = otg_int;
} }
#if USE_SOF
if(int_status & USB_OTG_GINTSTS_SOF) if(int_status & USB_OTG_GINTSTS_SOF)
{ {
usb_otg->GINTSTS = USB_OTG_GINTSTS_SOF; usb_otg->GINTSTS = USB_OTG_GINTSTS_SOF;
// Disable SOF interrupt since currently only used for remote wakeup detection
usb_otg->GINTMSK &= ~USB_OTG_GINTMSK_SOFM;
dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true); dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true);
} }
#endif
// RxFIFO non-empty interrupt handling. // RxFIFO non-empty interrupt handling.
if(int_status & USB_OTG_GINTSTS_RXFLVL) if(int_status & USB_OTG_GINTSTS_RXFLVL)
@ -1166,8 +1189,7 @@ void dcd_int_handler(uint8_t rhport)
do do
{ {
handle_rxflvl_ints(rhport, out_ep); handle_rxflvl_ints(rhport, out_ep);
int_status = usb_otg->GINTSTS; } while(usb_otg->GINTSTS & USB_OTG_GINTSTS_RXFLVL);
} while(int_status & USB_OTG_GINTSTS_RXFLVL);
// Manage RX FIFO size // Manage RX FIFO size
if (_out_ep_closed) if (_out_ep_closed)