tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-15 00:13:43 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

machine: declare usb endpoints per-platform

Browse Source
This commit is contained in:
Michael Smith
2025-06-09 10:10:12 -04:00
committed by Ron Evans
parent 1880e82da6
commit b059de857c
5 changed files with 71 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/machine/machine_rp2_usb.go
+20 -4
View File
@@ -8,12 +8,25 @@ import (
"unsafe"
)
const NumberOfUSBEndpoints = 8
var (
sendOnEP0DATADONE struct {
offset int
data []byte
pid uint32
}
endPoints = []uint32{
usb.CONTROL_ENDPOINT: usb.ENDPOINT_TYPE_CONTROL,
usb.CDC_ENDPOINT_ACM: (usb.ENDPOINT_TYPE_INTERRUPT | usb.EndpointIn),
usb.CDC_ENDPOINT_OUT: (usb.ENDPOINT_TYPE_BULK | usb.EndpointOut),
usb.CDC_ENDPOINT_IN: (usb.ENDPOINT_TYPE_BULK | usb.EndpointIn),
usb.HID_ENDPOINT_IN: (usb.ENDPOINT_TYPE_DISABLE), // Interrupt In
usb.HID_ENDPOINT_OUT: (usb.ENDPOINT_TYPE_DISABLE), // Interrupt Out
usb.MIDI_ENDPOINT_IN: (usb.ENDPOINT_TYPE_DISABLE), // Bulk In
usb.MIDI_ENDPOINT_OUT: (usb.ENDPOINT_TYPE_DISABLE), // Bulk Out
}
)
func initEndpoint(ep, config uint32) {
@@ -116,6 +129,7 @@ func handleEndpointRx(ep uint32) []byte {
}
func handleEndpointRxComplete(ep uint32) {
ep = ep & 0x7F
setEPDataPID(ep, !epXdata0[ep])
}
@@ -152,23 +166,25 @@ func sendViaEPIn(ep uint32, data []byte, count int) {
// Set ENDPOINT_HALT/stall status on a USB IN endpoint.
func (dev *USBDevice) SetStallEPIn(ep uint32) {
ep = ep & 0x7F
// Prepare buffer control register value
if ep == 0 {
armEPZeroStall()
}
val := uint32(usbBuf0CtrlFull)
_usbDPSRAM.EPxBufferControl[ep&0x7F].In.Set(val)
_usbDPSRAM.EPxBufferControl[ep].In.Set(val)
val |= uint32(usbBuf0CtrlStall)
_usbDPSRAM.EPxBufferControl[ep&0x7F].In.Set(val)
_usbDPSRAM.EPxBufferControl[ep].In.Set(val)
}
// Set ENDPOINT_HALT/stall status on a USB OUT endpoint.
func (dev *USBDevice) SetStallEPOut(ep uint32) {
ep = ep & 0x7F
if ep == 0 {
panic("SetStallEPOut: EP0 OUT not valid")
}
val := uint32(usbBuf0CtrlStall)
_usbDPSRAM.EPxBufferControl[ep&0x7F].Out.Set(val)
_usbDPSRAM.EPxBufferControl[ep].Out.Set(val)
}
// Clear the ENDPOINT_HALT/stall on a USB IN endpoint.
@@ -178,7 +194,7 @@ func (dev *USBDevice) ClearStallEPIn(ep uint32) {
_usbDPSRAM.EPxBufferControl[ep].In.ClearBits(val)
if epXPIDReset[ep] {
// Reset the PID to DATA0
setEPDataPID(ep&0x7F, false)
setEPDataPID(ep, false)
}
}