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//go:build (avr && atmega328p) || arduino || arduino_nano
package machine
// Return the current CPU frequency in hertz.
func CPUFrequency() uint32 {
return 16000000
}
const (
// Note: start at port B because there is no port A.
portB Pin = iota * 8
portC
portD
)
const (
PB0 = portB + 0
PB1 = portB + 1 // peripherals: Timer1 channel A
PB2 = portB + 2 // peripherals: Timer1 channel B
PB3 = portB + 3 // peripherals: Timer2 channel A
PB4 = portB + 4
PB5 = portB + 5
PB6 = portB + 6
PB7 = portB + 7
PC0 = portC + 0
PC1 = portC + 1
PC2 = portC + 2
PC3 = portC + 3
PC4 = portC + 4
PC5 = portC + 5
PC6 = portC + 6
PC7 = portC + 7
PD0 = portD + 0
PD1 = portD + 1
PD2 = portD + 2
PD3 = portD + 3 // peripherals: Timer2 channel B
PD4 = portD + 4
PD5 = portD + 5 // peripherals: Timer0 channel B
PD6 = portD + 6 // peripherals: Timer0 channel A
PD7 = portD + 7
)
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