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Code Issues Packages Projects Releases 6 Wiki Activity

atsamd21, atsamd51: add support for USB INTERRUPT OUT

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This commit is contained in:
sago35
2023-09-14 21:04:37 +09:00
committed by Ron Evans
parent c4de195f04
commit 3ad2530ee7
3 changed files with 35 additions and 3 deletions
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builder/sizes_test.go
+1 -1
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@@ -43,7 +43,7 @@ func TestBinarySize(t *testing.T) {
// microcontrollers
{"hifive1b", "examples/echo", 4612, 280, 0, 2252},
{"microbit", "examples/serial", 2724, 388, 8, 2256},
{"wioterminal", "examples/pininterrupt", 6039, 1485, 116, 6816},
{"wioterminal", "examples/pininterrupt", 6063, 1485, 116, 6816},
// TODO: also check wasm. Right now this is difficult, because
// wasm binaries are run through wasm-opt and therefore the
src/machine/machine_atsamd21_usb.go
+17 -1
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@@ -225,7 +225,23 @@ func initEndpoint(ep, config uint32) {
setEPSTATUSCLR(ep, sam.USB_DEVICE_EPSTATUSCLR_BK0RDY)
case usb.ENDPOINT_TYPE_INTERRUPT | usb.EndpointOut:
// TODO: not really anything, seems like...
// set packet size
usbEndpointDescriptors[ep].DeviceDescBank[0].PCKSIZE.SetBits(epPacketSize(64) << usb_DEVICE_PCKSIZE_SIZE_Pos)
// set data buffer address
usbEndpointDescriptors[ep].DeviceDescBank[0].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_out_cache_buffer[ep]))))
// set endpoint type
setEPCFG(ep, ((usb.ENDPOINT_TYPE_INTERRUPT + 1) << sam.USB_DEVICE_EPCFG_EPTYPE0_Pos))
// receive interrupts when current transfer complete
setEPINTENSET(ep, sam.USB_DEVICE_EPINTENSET_TRCPT0)
// set byte count to zero, we have not received anything yet
usbEndpointDescriptors[ep].DeviceDescBank[0].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
// ready for next transfer
setEPSTATUSCLR(ep, sam.USB_DEVICE_EPSTATUSCLR_BK0RDY)
case usb.ENDPOINT_TYPE_BULK | usb.EndpointIn:
// set packet size
src/machine/machine_atsamd51_usb.go
+17 -1
View File
@@ -228,7 +228,23 @@ func initEndpoint(ep, config uint32) {
setEPSTATUSCLR(ep, sam.USB_DEVICE_ENDPOINT_EPSTATUSCLR_BK0RDY)
case usb.ENDPOINT_TYPE_INTERRUPT | usb.EndpointOut:
// TODO: not really anything, seems like...
// set packet size
usbEndpointDescriptors[ep].DeviceDescBank[0].PCKSIZE.SetBits(epPacketSize(64) << usb_DEVICE_PCKSIZE_SIZE_Pos)
// set data buffer address
usbEndpointDescriptors[ep].DeviceDescBank[0].ADDR.Set(uint32(uintptr(unsafe.Pointer(&udd_ep_out_cache_buffer[ep]))))
// set endpoint type
setEPCFG(ep, ((usb.ENDPOINT_TYPE_INTERRUPT + 1) << sam.USB_DEVICE_ENDPOINT_EPCFG_EPTYPE0_Pos))
// receive interrupts when current transfer complete
setEPINTENSET(ep, sam.USB_DEVICE_ENDPOINT_EPINTENSET_TRCPT0)
// set byte count to zero, we have not received anything yet
usbEndpointDescriptors[ep].DeviceDescBank[0].PCKSIZE.ClearBits(usb_DEVICE_PCKSIZE_BYTE_COUNT_Mask << usb_DEVICE_PCKSIZE_BYTE_COUNT_Pos)
// ready for next transfer
setEPSTATUSCLR(ep, sam.USB_DEVICE_ENDPOINT_EPSTATUSCLR_BK0RDY)
case usb.ENDPOINT_TYPE_BULK | usb.EndpointIn:
// set packet size