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Code Issues Packages Projects Releases 6 Wiki Activity

machine/atsamd51: remove extra BK0RDY clear

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This commit is contained in:
sago35
2023-03-07 21:48:40 +09:00
committed by Ron Evans
parent 71be24e4f9
commit 45f119de34
1 changed files with 2 additions and 10 deletions
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src/machine/machine_atsamd51_usb.go
+2 -10
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@@ -142,8 +142,9 @@ func handleUSBIRQ(intr interrupt.Interrupt) {
setup := usb.NewSetup(udd_ep_out_cache_buffer[0][:]) setup := usb.NewSetup(udd_ep_out_cache_buffer[0][:])
// Clear the Bank 0 ready flag on Control OUT // Clear the Bank 0 ready flag on Control OUT
setEPSTATUSCLR(0, sam.USB_DEVICE_ENDPOINT_EPSTATUSCLR_BK0RDY) usbEndpointDescriptors[0].DeviceDescBank[0].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_out_cache_buffer[0]))))
usbEndpointDescriptors[0].DeviceDescBank[0].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos) usbEndpointDescriptors[0].DeviceDescBank[0].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
setEPSTATUSCLR(0, sam.USB_DEVICE_ENDPOINT_EPSTATUSCLR_BK0RDY)
ok := false ok := false
if (setup.BmRequestType & usb.REQUEST_TYPE) == usb.REQUEST_STANDARD { if (setup.BmRequestType & usb.REQUEST_TYPE) == usb.REQUEST_STANDARD {
@@ -347,15 +348,6 @@ func sendUSBPacket(ep uint32, data []byte, maxsize uint16) {
func ReceiveUSBControlPacket() ([cdcLineInfoSize]byte, error) { func ReceiveUSBControlPacket() ([cdcLineInfoSize]byte, error) {
var b [cdcLineInfoSize]byte var b [cdcLineInfoSize]byte
// address
usbEndpointDescriptors[0].DeviceDescBank[0].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_out_cache_buffer[0]))))
// set byte count to zero
usbEndpointDescriptors[0].DeviceDescBank[0].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
// set ready for next data
setEPSTATUSCLR(0, sam.USB_DEVICE_ENDPOINT_EPSTATUSCLR_BK0RDY)
// Wait until OUT transfer is ready. // Wait until OUT transfer is ready.
timeout := 300000 timeout := 300000
for (getEPSTATUS(0) & sam.USB_DEVICE_ENDPOINT_EPSTATUS_BK0RDY) == 0 { for (getEPSTATUS(0) & sam.USB_DEVICE_ENDPOINT_EPSTATUS_BK0RDY) == 0 {