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//go:build nrf52833
package machine
import (
"device/nrf"
)
// Hardware pins
const (
P0_00 Pin = 0
P0_01 Pin = 1
P0_02 Pin = 2
P0_03 Pin = 3
P0_04 Pin = 4
P0_05 Pin = 5
P0_06 Pin = 6
P0_07 Pin = 7
P0_08 Pin = 8
P0_09 Pin = 9
P0_10 Pin = 10
P0_11 Pin = 11
P0_12 Pin = 12
P0_13 Pin = 13
P0_14 Pin = 14
P0_15 Pin = 15
P0_16 Pin = 16
P0_17 Pin = 17
P0_18 Pin = 18
P0_19 Pin = 19
P0_20 Pin = 20
P0_21 Pin = 21
P0_22 Pin = 22
P0_23 Pin = 23
P0_24 Pin = 24
P0_25 Pin = 25
P0_26 Pin = 26
P0_27 Pin = 27
P0_28 Pin = 28
P0_29 Pin = 29
P0_30 Pin = 30
P0_31 Pin = 31
P1_00 Pin = 32
P1_01 Pin = 33
P1_02 Pin = 34
P1_03 Pin = 35
P1_04 Pin = 36
P1_05 Pin = 37
P1_06 Pin = 38
P1_07 Pin = 39
P1_08 Pin = 40
P1_09 Pin = 41
P1_10 Pin = 42
P1_11 Pin = 43
P1_12 Pin = 44
P1_13 Pin = 45
P1_14 Pin = 46
P1_15 Pin = 47
)
// Get peripheral and pin number for this GPIO pin.
func (p Pin) getPortPin() (*nrf.GPIO_Type, uint32) {
if p >= 32 {
return nrf.P1, uint32(p - 32)
} else {
return nrf.P0, uint32(p)
}
}
func (uart *UART) setPins(tx, rx Pin) {
nrf.UART0.PSEL.TXD.Set(uint32(tx))
nrf.UART0.PSEL.RXD.Set(uint32(rx))
}
func (i2c *I2C) setPins(scl, sda Pin) {
i2c.Bus.PSEL.SCL.Set(uint32(scl))
i2c.Bus.PSEL.SDA.Set(uint32(sda))
}
// PWM
var (
PWM0 = &PWM{PWM: nrf.PWM0}
PWM1 = &PWM{PWM: nrf.PWM1}
PWM2 = &PWM{PWM: nrf.PWM2}
PWM3 = &PWM{PWM: nrf.PWM3}
)
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