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machine/atsamd21,atsamd51: clear the USB packet size before setting it again when sending

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Signed-off-by: Ron Evans <ron@hybridgroup.com>
This commit is contained in:
Ron Evans
2020-03-31 20:23:55 +02:00
committed by Jaden Weiss
parent ccf8b378b3
commit 5d539df216
2 changed files with 2 additions and 4 deletions
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src/machine/machine_atsamd21.go
+1 -2
View File
@@ -1477,8 +1477,6 @@ func handleUSB(intr interrupt.Interrupt) {
// clear stall request // clear stall request
setEPINTENCLR(0, sam.USB_DEVICE_EPINTENCLR_STALL1) setEPINTENCLR(0, sam.USB_DEVICE_EPINTENCLR_STALL1)
} }
} else {
sendZlp()
} }
// Now the actual transfer handlers, ignore endpoint number 0 (setup) // Now the actual transfer handlers, ignore endpoint number 0 (setup)
@@ -1749,6 +1747,7 @@ func sendUSBPacket(ep uint32, data []byte) {
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos) usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos)
// set byte count, which is total number of bytes to be sent // set byte count, which is total number of bytes to be sent
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.SetBits(uint32((len(data) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)) usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.SetBits(uint32((len(data) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos))
} }
src/machine/machine_atsamd51.go
+1 -2
View File
@@ -1648,8 +1648,6 @@ func handleUSBIRQ(interrupt.Interrupt) {
// clear stall request // clear stall request
setEPINTENCLR(0, sam.USB_DEVICE_ENDPOINT_EPINTENCLR_STALL1) setEPINTENCLR(0, sam.USB_DEVICE_ENDPOINT_EPINTENCLR_STALL1)
} }
} else {
sendZlp()
} }
// Now the actual transfer handlers, ignore endpoint number 0 (setup) // Now the actual transfer handlers, ignore endpoint number 0 (setup)
@@ -1920,6 +1918,7 @@ func sendUSBPacket(ep uint32, data []byte) {
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos) usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Mask << usb_DEVICE_PCKSIZE_MULTI_PACKET_SIZE_Pos)
// set byte count, which is total number of bytes to be sent // set byte count, which is total number of bytes to be sent
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.SetBits(uint32((len(data) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)) usbEndpointDescriptors[ep].DeviceDescBank[1].PCKSIZE.SetBits(uint32((len(data) & usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask) << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos))
} }