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fe310: support GPIO PinInput

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This is needed to support switching between input and output.
This commit is contained in:
Ayke van Laethem
2024-10-21 12:01:04 +02:00
committed by Ron Evans
parent a191326ea8
commit bcfe751f62
1 changed files with 2 additions and 0 deletions
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src/machine/machine_fe310.go
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@@ -26,6 +26,8 @@ const (
func (p Pin) Configure(config PinConfig) { func (p Pin) Configure(config PinConfig) {
sifive.GPIO0.INPUT_EN.SetBits(1 << uint8(p)) sifive.GPIO0.INPUT_EN.SetBits(1 << uint8(p))
switch config.Mode { switch config.Mode {
case PinInput:
sifive.GPIO0.OUTPUT_EN.ClearBits(1 << uint8(p))
case PinOutput: case PinOutput:
sifive.GPIO0.OUTPUT_EN.SetBits(1 << uint8(p)) sifive.GPIO0.OUTPUT_EN.SetBits(1 << uint8(p))
case PinPWM: case PinPWM: