46 строки
779 Б
Go
46 строки
779 Б
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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var (
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UART0 = NRF_UART0
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)
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func CPUFrequency() uint32 {
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return 16000000
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}
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// Get peripheral and pin number for this GPIO pin.
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func (p Pin) getPortPin() (*nrf.GPIO_Type, uint32) {
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return nrf.GPIO, uint32(p)
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}
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func (uart UART) setPins(tx, rx Pin) {
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nrf.UART0.PSELTXD.Set(uint32(tx))
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nrf.UART0.PSELRXD.Set(uint32(rx))
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}
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func (i2c I2C) setPins(scl, sda Pin) {
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i2c.Bus.PSELSCL.Set(uint32(scl))
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i2c.Bus.PSELSDA.Set(uint32(sda))
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}
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// SPI
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func (spi SPI) setPins(sck, mosi, miso Pin) {
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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.Set(uint32(sck))
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spi.Bus.PSELMOSI.Set(uint32(mosi))
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spi.Bus.PSELMISO.Set(uint32(miso))
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}
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