tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-04 02:57:46 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files
src/machine/machine_atsamd21.go
+1 -2
View File
@@ -1477,8 +1477,6 @@ func handleUSB(intr interrupt.Interrupt) {
// clear stall request
setEPINTENCLR(0, sam.USB_DEVICE_EPINTENCLR_STALL1)
}
} else {
sendZlp()
}
// 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)
// 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))
}
src/machine/machine_atsamd51.go
+1 -2
View File
@@ -1648,8 +1648,6 @@ func handleUSBIRQ(interrupt.Interrupt) {
// clear stall request
setEPINTENCLR(0, sam.USB_DEVICE_ENDPOINT_EPINTENCLR_STALL1)
}
} else {
sendZlp()
}
// 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)
// 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))
}