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https://github.com/tinygo-org/tinygo.git
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Ayke van Laethem
46 lines
836 B
Go
46 lines
836 B
Go
// +build nrf51
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package machine
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import (
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"device/nrf"
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)
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const CPU_FREQUENCY = 16000000
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// Get peripheral and pin number for this GPIO pin.
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func (p GPIO) getPortPin() (*nrf.GPIO_Type, uint8) {
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return nrf.GPIO, p.Pin
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}
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func (uart UART) setPins(tx, rx uint32) {
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nrf.UART0.PSELTXD = nrf.RegValue(tx)
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nrf.UART0.PSELRXD = nrf.RegValue(rx)
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}
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//go:export UART0_IRQHandler
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func handleUART0() {
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UART0.handleInterrupt()
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}
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func (i2c I2C) setPins(scl, sda uint8) {
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i2c.Bus.PSELSCL = nrf.RegValue(scl)
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i2c.Bus.PSELSDA = nrf.RegValue(sda)
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}
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// SPI
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func (spi SPI) setPins(sck, mosi, miso uint8) {
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if sck == 0 {
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sck = SPI0_SCK_PIN
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}
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if mosi == 0 {
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mosi = SPI0_MOSI_PIN
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}
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if miso == 0 {
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miso = SPI0_MISO_PIN
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}
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spi.Bus.PSELSCK = nrf.RegValue(sck)
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spi.Bus.PSELMOSI = nrf.RegValue(mosi)
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spi.Bus.PSELMISO = nrf.RegValue(miso)
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}
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