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-rw-r--r--Makefile2
-rw-r--r--src/machine/machine_nrf.go98
-rw-r--r--src/machine/machine_nrf51.go14
-rw-r--r--src/machine/machine_nrf52.go84
-rw-r--r--src/machine/machine_nrf52840.go84
-rw-r--r--src/runtime/runtime_nrf.go20
6 files changed, 151 insertions, 151 deletions
diff --git a/Makefile b/Makefile
index fec013ebe..68c1ec75c 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,7 @@ gen-device-avr:
go fmt ./src/device/avr
gen-device-nrf:
- ./tools/gen-device-svd.py lib/nrfx/mdk/ src/device/nrf/ --source=https://github.com/NordicSemiconductor/nrfx/tree/master/mdk
+ ./tools/gen-device-svd-vol.py lib/nrfx/mdk/ src/device/nrf/ --source=https://github.com/NordicSemiconductor/nrfx/tree/master/mdk
go fmt ./src/device/nrf
gen-device-sam:
diff --git a/src/machine/machine_nrf.go b/src/machine/machine_nrf.go
index 687b2ccbe..44ff1bd99 100644
--- a/src/machine/machine_nrf.go
+++ b/src/machine/machine_nrf.go
@@ -20,7 +20,7 @@ const (
func (p GPIO) Configure(config GPIOConfig) {
cfg := config.Mode | nrf.GPIO_PIN_CNF_DRIVE_S0S1 | nrf.GPIO_PIN_CNF_SENSE_Disabled
port, pin := p.getPortPin()
- port.PIN_CNF[pin] = nrf.RegValue(cfg)
+ port.PIN_CNF[pin].Set(uint32(cfg))
}
// Set the pin to high or low.
@@ -28,9 +28,9 @@ func (p GPIO) Configure(config GPIOConfig) {
func (p GPIO) Set(high bool) {
port, pin := p.getPortPin()
if high {
- port.OUTSET = 1 << pin
+ port.OUTSET.Set(1 << pin)
} else {
- port.OUTCLR = 1 << pin
+ port.OUTCLR.Set(1 << pin)
}
}
@@ -38,20 +38,20 @@ func (p GPIO) Set(high bool) {
// implement bit-banged drivers.
func (p GPIO) PortMaskSet() (*uint32, uint32) {
port, pin := p.getPortPin()
- return (*uint32)(&port.OUTSET), 1 << pin
+ return &port.OUTSET.Reg, 1 << pin
}
// Return the register and mask to disable a given port. This can be used to
// implement bit-banged drivers.
func (p GPIO) PortMaskClear() (*uint32, uint32) {
port, pin := p.getPortPin()
- return (*uint32)(&port.OUTCLR), 1 << pin
+ return &port.OUTCLR.Reg, 1 << pin
}
// Get returns the current value of a GPIO pin.
func (p GPIO) Get() bool {
port, pin := p.getPortPin()
- return (port.IN>>pin)&1 != 0
+ return (port.IN.Get()>>pin)&1 != 0
}
// UART on the NRF.
@@ -77,10 +77,10 @@ func (uart UART) Configure(config UARTConfig) {
// Set TX and RX pins from board.
uart.setPins(UART_TX_PIN, UART_RX_PIN)
- nrf.UART0.ENABLE = nrf.UART_ENABLE_ENABLE_Enabled
- nrf.UART0.TASKS_STARTTX = 1
- nrf.UART0.TASKS_STARTRX = 1
- nrf.UART0.INTENSET = nrf.UART_INTENSET_RXDRDY_Msk
+ nrf.UART0.ENABLE.Set(nrf.UART_ENABLE_ENABLE_Enabled)
+ nrf.UART0.TASKS_STARTTX.Set(1)
+ nrf.UART0.TASKS_STARTRX.Set(1)
+ nrf.UART0.INTENSET.Set(nrf.UART_INTENSET_RXDRDY_Msk)
// Enable RX IRQ.
arm.SetPriority(nrf.IRQ_UART0, 0xc0) // low priority
@@ -99,22 +99,22 @@ func (uart UART) SetBaudRate(br uint32) {
// https://devzone.nordicsemi.com/f/nordic-q-a/391/uart-baudrate-register-values/2046#2046
rate := uint32((uint64(br/400)*uint64(400*0xffffffff/16000000) + 0x800) & 0xffffff000)
- nrf.UART0.BAUDRATE = nrf.RegValue(rate)
+ nrf.UART0.BAUDRATE.Set(rate)
}
// WriteByte writes a byte of data to the UART.
func (uart UART) WriteByte(c byte) error {
- nrf.UART0.EVENTS_TXDRDY = 0
- nrf.UART0.TXD = nrf.RegValue(c)
- for nrf.UART0.EVENTS_TXDRDY == 0 {
+ nrf.UART0.EVENTS_TXDRDY.Set(0)
+ nrf.UART0.TXD.Set(uint32(c))
+ for nrf.UART0.EVENTS_TXDRDY.Get() == 0 {
}
return nil
}
func (uart UART) handleInterrupt() {
- if nrf.UART0.EVENTS_RXDRDY != 0 {
- uart.Receive(byte(nrf.UART0.RXD))
- nrf.UART0.EVENTS_RXDRDY = 0x0
+ if nrf.UART0.EVENTS_RXDRDY.Get() != 0 {
+ uart.Receive(byte(nrf.UART0.RXD.Get()))
+ nrf.UART0.EVENTS_RXDRDY.Set(0x0)
}
}
@@ -150,26 +150,26 @@ func (i2c I2C) Configure(config I2CConfig) {
// do config
sclPort, sclPin := GPIO{config.SCL}.getPortPin()
- sclPort.PIN_CNF[sclPin] = (nrf.GPIO_PIN_CNF_DIR_Input << nrf.GPIO_PIN_CNF_DIR_Pos) |
+ sclPort.PIN_CNF[sclPin].Set((nrf.GPIO_PIN_CNF_DIR_Input << nrf.GPIO_PIN_CNF_DIR_Pos) |
(nrf.GPIO_PIN_CNF_INPUT_Connect << nrf.GPIO_PIN_CNF_INPUT_Pos) |
(nrf.GPIO_PIN_CNF_PULL_Pullup << nrf.GPIO_PIN_CNF_PULL_Pos) |
(nrf.GPIO_PIN_CNF_DRIVE_S0D1 << nrf.GPIO_PIN_CNF_DRIVE_Pos) |
- (nrf.GPIO_PIN_CNF_SENSE_Disabled << nrf.GPIO_PIN_CNF_SENSE_Pos)
+ (nrf.GPIO_PIN_CNF_SENSE_Disabled << nrf.GPIO_PIN_CNF_SENSE_Pos))
sdaPort, sdaPin := GPIO{config.SDA}.getPortPin()
- sdaPort.PIN_CNF[sdaPin] = (nrf.GPIO_PIN_CNF_DIR_Input << nrf.GPIO_PIN_CNF_DIR_Pos) |
+ sdaPort.PIN_CNF[sdaPin].Set((nrf.GPIO_PIN_CNF_DIR_Input << nrf.GPIO_PIN_CNF_DIR_Pos) |
(nrf.GPIO_PIN_CNF_INPUT_Connect << nrf.GPIO_PIN_CNF_INPUT_Pos) |
(nrf.GPIO_PIN_CNF_PULL_Pullup << nrf.GPIO_PIN_CNF_PULL_Pos) |
(nrf.GPIO_PIN_CNF_DRIVE_S0D1 << nrf.GPIO_PIN_CNF_DRIVE_Pos) |
- (nrf.GPIO_PIN_CNF_SENSE_Disabled << nrf.GPIO_PIN_CNF_SENSE_Pos)
+ (nrf.GPIO_PIN_CNF_SENSE_Disabled << nrf.GPIO_PIN_CNF_SENSE_Pos))
if config.Frequency == TWI_FREQ_400KHZ {
- i2c.Bus.FREQUENCY = nrf.TWI_FREQUENCY_FREQUENCY_K400
+ i2c.Bus.FREQUENCY.Set(nrf.TWI_FREQUENCY_FREQUENCY_K400)
} else {
- i2c.Bus.FREQUENCY = nrf.TWI_FREQUENCY_FREQUENCY_K100
+ i2c.Bus.FREQUENCY.Set(nrf.TWI_FREQUENCY_FREQUENCY_K100)
}
- i2c.Bus.ENABLE = nrf.TWI_ENABLE_ENABLE_Enabled
+ i2c.Bus.ENABLE.Set(nrf.TWI_ENABLE_ENABLE_Enabled)
i2c.setPins(config.SCL, config.SDA)
}
@@ -177,28 +177,28 @@ func (i2c I2C) Configure(config I2CConfig) {
// It clocks out the given address, writes the bytes in w, reads back len(r)
// bytes and stores them in r, and generates a stop condition on the bus.
func (i2c I2C) Tx(addr uint16, w, r []byte) error {
- i2c.Bus.ADDRESS = nrf.RegValue(addr)
+ i2c.Bus.ADDRESS.Set(uint32(addr))
if len(w) != 0 {
- i2c.Bus.TASKS_STARTTX = 1 // start transmission for writing
+ i2c.Bus.TASKS_STARTTX.Set(1) // start transmission for writing
for _, b := range w {
i2c.writeByte(b)
}
}
if len(r) != 0 {
// To trigger suspend task when a byte is received
- i2c.Bus.SHORTS = nrf.TWI_SHORTS_BB_SUSPEND
- i2c.Bus.TASKS_STARTRX = 1 // re-start transmission for reading
- for i := range r { // read each char
+ i2c.Bus.SHORTS.Set(nrf.TWI_SHORTS_BB_SUSPEND)
+ i2c.Bus.TASKS_STARTRX.Set(1) // re-start transmission for reading
+ for i := range r { // read each char
if i+1 == len(r) {
// To trigger stop task when last byte is received, set before resume task.
- i2c.Bus.SHORTS = nrf.TWI_SHORTS_BB_STOP
+ i2c.Bus.SHORTS.Set(nrf.TWI_SHORTS_BB_STOP)
}
- i2c.Bus.TASKS_RESUME = 1 // re-start transmission for reading
+ i2c.Bus.TASKS_RESUME.Set(1) // re-start transmission for reading
r[i] = i2c.readByte()
}
}
i2c.signalStop()
- i2c.Bus.SHORTS = nrf.TWI_SHORTS_BB_SUSPEND_Disabled
+ i2c.Bus.SHORTS.Set(nrf.TWI_SHORTS_BB_SUSPEND_Disabled)
return nil
}
@@ -206,26 +206,26 @@ func (i2c I2C) Tx(addr uint16, w, r []byte) error {
// it must generate a stop condition after the next character is retrieved when
// reading.
func (i2c I2C) signalStop() {
- i2c.Bus.TASKS_STOP = 1
- for i2c.Bus.EVENTS_STOPPED == 0 {
+ i2c.Bus.TASKS_STOP.Set(1)
+ for i2c.Bus.EVENTS_STOPPED.Get() == 0 {
}
- i2c.Bus.EVENTS_STOPPED = 0
+ i2c.Bus.EVENTS_STOPPED.Set(0)
}
// writeByte writes a single byte to the I2C bus.
func (i2c I2C) writeByte(data byte) {
- i2c.Bus.TXD = nrf.RegValue(data)
- for i2c.Bus.EVENTS_TXDSENT == 0 {
+ i2c.Bus.TXD.Set(uint32(data))
+ for i2c.Bus.EVENTS_TXDSENT.Get() == 0 {
}
- i2c.Bus.EVENTS_TXDSENT = 0
+ i2c.Bus.EVENTS_TXDSENT.Set(0)
}
// readByte reads a single byte from the I2C bus.
func (i2c I2C) readByte() byte {
- for i2c.Bus.EVENTS_RXDREADY == 0 {
+ for i2c.Bus.EVENTS_RXDREADY.Get() == 0 {
}
- i2c.Bus.EVENTS_RXDREADY = 0
- return byte(i2c.Bus.RXD)
+ i2c.Bus.EVENTS_RXDREADY.Set(0)
+ return byte(i2c.Bus.RXD.Get())
}
// SPI on the NRF.
@@ -252,7 +252,7 @@ type SPIConfig struct {
// Configure is intended to setup the SPI interface.
func (spi SPI) Configure(config SPIConfig) {
// Disable bus to configure it
- spi.Bus.ENABLE = nrf.SPI_ENABLE_ENABLE_Disabled
+ spi.Bus.ENABLE.Set(nrf.SPI_ENABLE_ENABLE_Disabled)
// set frequency
var freq uint32
@@ -275,7 +275,7 @@ func (spi SPI) Configure(config SPIConfig) {
default:
freq = nrf.SPI_FREQUENCY_FREQUENCY_K500
}
- spi.Bus.FREQUENCY = nrf.RegValue(freq)
+ spi.Bus.FREQUENCY.Set(freq)
var conf uint32
@@ -302,22 +302,22 @@ func (spi SPI) Configure(config SPIConfig) {
conf &^= (nrf.SPI_CONFIG_CPOL_ActiveHigh << nrf.SPI_CONFIG_CPOL_Pos)
conf &^= (nrf.SPI_CONFIG_CPHA_Leading << nrf.SPI_CONFIG_CPHA_Pos)
}
- spi.Bus.CONFIG = nrf.RegValue(conf)
+ spi.Bus.CONFIG.Set(conf)
// set pins
spi.setPins(config.SCK, config.MOSI, config.MISO)
// Re-enable bus now that it is configured.
- spi.Bus.ENABLE = nrf.SPI_ENABLE_ENABLE_Enabled
+ spi.Bus.ENABLE.Set(nrf.SPI_ENABLE_ENABLE_Enabled)
}
// Transfer writes/reads a single byte using the SPI interface.
func (spi SPI) Transfer(w byte) (byte, error) {
- spi.Bus.TXD = nrf.RegValue(w)
- for spi.Bus.EVENTS_READY == 0 {
+ spi.Bus.TXD.Set(uint32(w))
+ for spi.Bus.EVENTS_READY.Get() == 0 {
}
- r := spi.Bus.RXD
- spi.Bus.EVENTS_READY = 0
+ r := spi.Bus.RXD.Get()
+ spi.Bus.EVENTS_READY.Set(0)
// TODO: handle SPI errors
return byte(r), nil
diff --git a/src/machine/machine_nrf51.go b/src/machine/machine_nrf51.go
index ed64c0c63..f269ac791 100644
--- a/src/machine/machine_nrf51.go
+++ b/src/machine/machine_nrf51.go
@@ -14,8 +14,8 @@ func (p GPIO) getPortPin() (*nrf.GPIO_Type, uint8) {
}
func (uart UART) setPins(tx, rx uint32) {
- nrf.UART0.PSELTXD = nrf.RegValue(tx)
- nrf.UART0.PSELRXD = nrf.RegValue(rx)
+ nrf.UART0.PSELTXD.Set(tx)
+ nrf.UART0.PSELRXD.Set(rx)
}
//go:export UART0_IRQHandler
@@ -24,8 +24,8 @@ func handleUART0() {
}
func (i2c I2C) setPins(scl, sda uint8) {
- i2c.Bus.PSELSCL = nrf.RegValue(scl)
- i2c.Bus.PSELSDA = nrf.RegValue(sda)
+ i2c.Bus.PSELSCL.Set(uint32(scl))
+ i2c.Bus.PSELSDA.Set(uint32(sda))
}
// SPI
@@ -39,7 +39,7 @@ func (spi SPI) setPins(sck, mosi, miso uint8) {
if miso == 0 {
miso = SPI0_MISO_PIN
}
- spi.Bus.PSELSCK = nrf.RegValue(sck)
- spi.Bus.PSELMOSI = nrf.RegValue(mosi)
- spi.Bus.PSELMISO = nrf.RegValue(miso)
+ spi.Bus.PSELSCK.Set(uint32(sck))
+ spi.Bus.PSELMOSI.Set(uint32(mosi))
+ spi.Bus.PSELMISO.Set(uint32(miso))
}
diff --git a/src/machine/machine_nrf52.go b/src/machine/machine_nrf52.go
index 8c73f6b81..5ad1b59f6 100644
--- a/src/machine/machine_nrf52.go
+++ b/src/machine/machine_nrf52.go
@@ -15,8 +15,8 @@ func (p GPIO) getPortPin() (*nrf.GPIO_Type, uint8) {
}
func (uart UART) setPins(tx, rx uint32) {
- nrf.UART0.PSELTXD = nrf.RegValue(tx)
- nrf.UART0.PSELRXD = nrf.RegValue(rx)
+ nrf.UART0.PSELTXD.Set(tx)
+ nrf.UART0.PSELRXD.Set(rx)
}
//go:export UARTE0_UART0_IRQHandler
@@ -25,8 +25,8 @@ func handleUART0() {
}
func (i2c I2C) setPins(scl, sda uint8) {
- i2c.Bus.PSELSCL = nrf.RegValue(scl)
- i2c.Bus.PSELSDA = nrf.RegValue(sda)
+ i2c.Bus.PSELSCL.Set(uint32(scl))
+ i2c.Bus.PSELSDA.Set(uint32(sda))
}
// SPI
@@ -40,9 +40,9 @@ func (spi SPI) setPins(sck, mosi, miso uint8) {
if miso == 0 {
miso = SPI0_MISO_PIN
}
- spi.Bus.PSEL.SCK = nrf.RegValue(sck)
- spi.Bus.PSEL.MOSI = nrf.RegValue(mosi)
- spi.Bus.PSEL.MISO = nrf.RegValue(miso)
+ spi.Bus.PSEL.SCK.Set(uint32(sck))
+ spi.Bus.PSEL.MOSI.Set(uint32(mosi))
+ spi.Bus.PSEL.MISO.Set(uint32(miso))
}
// InitADC initializes the registers needed for ADC.
@@ -89,53 +89,53 @@ func (a ADC) Get() uint16 {
return 0
}
- nrf.SAADC.RESOLUTION = nrf.SAADC_RESOLUTION_VAL_12bit
+ nrf.SAADC.RESOLUTION.Set(nrf.SAADC_RESOLUTION_VAL_12bit)
// Enable ADC.
- nrf.SAADC.ENABLE = (nrf.SAADC_ENABLE_ENABLE_Enabled << nrf.SAADC_ENABLE_ENABLE_Pos)
+ nrf.SAADC.ENABLE.Set(nrf.SAADC_ENABLE_ENABLE_Enabled << nrf.SAADC_ENABLE_ENABLE_Pos)
for i := 0; i < 8; i++ {
- nrf.SAADC.CH[i].PSELN = nrf.SAADC_CH_PSELP_PSELP_NC
- nrf.SAADC.CH[i].PSELP = nrf.SAADC_CH_PSELP_PSELP_NC
+ nrf.SAADC.CH[i].PSELN.Set(nrf.SAADC_CH_PSELP_PSELP_NC)
+ nrf.SAADC.CH[i].PSELP.Set(nrf.SAADC_CH_PSELP_PSELP_NC)
}
// Configure ADC.
- nrf.SAADC.CH[0].CONFIG = ((nrf.SAADC_CH_CONFIG_RESP_Bypass << nrf.SAADC_CH_CONFIG_RESP_Pos) & nrf.SAADC_CH_CONFIG_RESP_Msk) |
+ nrf.SAADC.CH[0].CONFIG.Set(((nrf.SAADC_CH_CONFIG_RESP_Bypass << nrf.SAADC_CH_CONFIG_RESP_Pos) & nrf.SAADC_CH_CONFIG_RESP_Msk) |
((nrf.SAADC_CH_CONFIG_RESP_Bypass << nrf.SAADC_CH_CONFIG_RESN_Pos) & nrf.SAADC_CH_CONFIG_RESN_Msk) |
((nrf.SAADC_CH_CONFIG_GAIN_Gain1_5 << nrf.SAADC_CH_CONFIG_GAIN_Pos) & nrf.SAADC_CH_CONFIG_GAIN_Msk) |
((nrf.SAADC_CH_CONFIG_REFSEL_Internal << nrf.SAADC_CH_CONFIG_REFSEL_Pos) & nrf.SAADC_CH_CONFIG_REFSEL_Msk) |
((nrf.SAADC_CH_CONFIG_TACQ_3us << nrf.SAADC_CH_CONFIG_TACQ_Pos) & nrf.SAADC_CH_CONFIG_TACQ_Msk) |
- ((nrf.SAADC_CH_CONFIG_MODE_SE << nrf.SAADC_CH_CONFIG_MODE_Pos) & nrf.SAADC_CH_CONFIG_MODE_Msk)
+ ((nrf.SAADC_CH_CONFIG_MODE_SE << nrf.SAADC_CH_CONFIG_MODE_Pos) & nrf.SAADC_CH_CONFIG_MODE_Msk))
// Set pin to read.
- nrf.SAADC.CH[0].PSELN = nrf.RegValue(pwmPin)
- nrf.SAADC.CH[0].PSELP = nrf.RegValue(pwmPin)
+ nrf.SAADC.CH[0].PSELN.Set(pwmPin)
+ nrf.SAADC.CH[0].PSELP.Set(pwmPin)
// Destination for sample result.
- nrf.SAADC.RESULT.PTR = nrf.RegValue(uintptr(unsafe.Pointer(&value)))
- nrf.SAADC.RESULT.MAXCNT = 1 // One sample
+ nrf.SAADC.RESULT.PTR.Set(uint32(uintptr(unsafe.Pointer(&value))))
+ nrf.SAADC.RESULT.MAXCNT.Set(1) // One sample
// Start tasks.
- nrf.SAADC.TASKS_START = 1
- for nrf.SAADC.EVENTS_STARTED == 0 {
+ nrf.SAADC.TASKS_START.Set(1)
+ for nrf.SAADC.EVENTS_STARTED.Get() == 0 {
}
- nrf.SAADC.EVENTS_STARTED = 0x00
+ nrf.SAADC.EVENTS_STARTED.Set(0x00)
// Start the sample task.
- nrf.SAADC.TASKS_SAMPLE = 1
+ nrf.SAADC.TASKS_SAMPLE.Set(1)
// Wait until the sample task is done.
- for nrf.SAADC.EVENTS_END == 0 {
+ for nrf.SAADC.EVENTS_END.Get() == 0 {
}
- nrf.SAADC.EVENTS_END = 0x00
+ nrf.SAADC.EVENTS_END.Set(0x00)
// Stop the ADC
- nrf.SAADC.TASKS_STOP = 1
- for nrf.SAADC.EVENTS_STOPPED == 0 {
+ nrf.SAADC.TASKS_STOP.Set(1)
+ for nrf.SAADC.EVENTS_STOPPED.Get() == 0 {
}
- nrf.SAADC.EVENTS_STOPPED = 0
+ nrf.SAADC.EVENTS_STOPPED.Set(0)
// Disable the ADC.
- nrf.SAADC.ENABLE = (nrf.SAADC_ENABLE_ENABLE_Disabled << nrf.SAADC_ENABLE_ENABLE_Pos)
+ nrf.SAADC.ENABLE.Set(nrf.SAADC_ENABLE_ENABLE_Disabled << nrf.SAADC_ENABLE_ENABLE_Pos)
if value < 0 {
value = 0
@@ -170,21 +170,21 @@ func (pwm PWM) Set(value uint16) {
p := pwms[i]
- p.PSEL.OUT[0] = nrf.RegValue(pwm.Pin)
- p.PSEL.OUT[1] = nrf.RegValue(pwm.Pin)
- p.PSEL.OUT[2] = nrf.RegValue(pwm.Pin)
- p.PSEL.OUT[3] = nrf.RegValue(pwm.Pin)
- p.ENABLE = (nrf.PWM_ENABLE_ENABLE_Enabled << nrf.PWM_ENABLE_ENABLE_Pos)
- p.PRESCALER = nrf.PWM_PRESCALER_PRESCALER_DIV_2
- p.MODE = nrf.PWM_MODE_UPDOWN_Up
- p.COUNTERTOP = 16384 // frequency
- p.LOOP = 0
- p.DECODER = (nrf.PWM_DECODER_LOAD_Common << nrf.PWM_DECODER_LOAD_Pos) | (nrf.PWM_DECODER_MODE_RefreshCount << nrf.PWM_DECODER_MODE_Pos)
- p.SEQ[0].PTR = nrf.RegValue(uintptr(unsafe.Pointer(&pwmChannelSequence[i])))
- p.SEQ[0].CNT = 1
- p.SEQ[0].REFRESH = 1
- p.SEQ[0].ENDDELAY = 0
- p.TASKS_SEQSTART[0] = 1
+ p.PSEL.OUT[0].Set(uint32(pwm.Pin))
+ p.PSEL.OUT[1].Set(uint32(pwm.Pin))
+ p.PSEL.OUT[2].Set(uint32(pwm.Pin))
+ p.PSEL.OUT[3].Set(uint32(pwm.Pin))
+ p.ENABLE.Set(nrf.PWM_ENABLE_ENABLE_Enabled << nrf.PWM_ENABLE_ENABLE_Pos)
+ p.PRESCALER.Set(nrf.PWM_PRESCALER_PRESCALER_DIV_2)
+ p.MODE.Set(nrf.PWM_MODE_UPDOWN_Up)
+ p.COUNTERTOP.Set(16384) // frequency
+ p.LOOP.Set(0)
+ p.DECODER.Set((nrf.PWM_DECODER_LOAD_Common << nrf.PWM_DECODER_LOAD_Pos) | (nrf.PWM_DECODER_MODE_RefreshCount << nrf.PWM_DECODER_MODE_Pos))
+ p.SEQ[0].PTR.Set(uint32(uintptr(unsafe.Pointer(&pwmChannelSequence[i]))))
+ p.SEQ[0].CNT.Set(1)
+ p.SEQ[0].REFRESH.Set(1)
+ p.SEQ[0].ENDDELAY.Set(0)
+ p.TASKS_SEQSTART[0].Set(1)
break
}
diff --git a/src/machine/machine_nrf52840.go b/src/machine/machine_nrf52840.go
index 507db9837..6f8c4bb2d 100644
--- a/src/machine/machine_nrf52840.go
+++ b/src/machine/machine_nrf52840.go
@@ -19,8 +19,8 @@ func (p GPIO) getPortPin() (*nrf.GPIO_Type, uint8) {
}
func (uart UART) setPins(tx, rx uint32) {
- nrf.UART0.PSEL.TXD = nrf.RegValue(tx)
- nrf.UART0.PSEL.RXD = nrf.RegValue(rx)
+ nrf.UART0.PSEL.TXD.Set(tx)
+ nrf.UART0.PSEL.RXD.Set(rx)
}
//go:export UARTE0_UART0_IRQHandler
@@ -29,8 +29,8 @@ func handleUART0() {
}
func (i2c I2C) setPins(scl, sda uint8) {
- i2c.Bus.PSEL.SCL = nrf.RegValue(scl)
- i2c.Bus.PSEL.SDA = nrf.RegValue(sda)
+ i2c.Bus.PSEL.SCL.Set(uint32(scl))
+ i2c.Bus.PSEL.SDA.Set(uint32(sda))
}
// SPI
@@ -44,9 +44,9 @@ func (spi SPI) setPins(sck, mosi, miso uint8) {
if miso == 0 {
miso = SPI0_MISO_PIN
}
- spi.Bus.PSEL.SCK = nrf.RegValue(sck)
- spi.Bus.PSEL.MOSI = nrf.RegValue(mosi)
- spi.Bus.PSEL.MISO = nrf.RegValue(miso)
+ spi.Bus.PSEL.SCK.Set(uint32(sck))
+ spi.Bus.PSEL.MOSI.Set(uint32(mosi))
+ spi.Bus.PSEL.MISO.Set(uint32(miso))
}
// InitADC initializes the registers needed for ADC.
@@ -93,53 +93,53 @@ func (a ADC) Get() uint16 {
return 0
}
- nrf.SAADC.RESOLUTION = nrf.SAADC_RESOLUTION_VAL_12bit
+ nrf.SAADC.RESOLUTION.Set(nrf.SAADC_RESOLUTION_VAL_12bit)
// Enable ADC.
- nrf.SAADC.ENABLE = (nrf.SAADC_ENABLE_ENABLE_Enabled << nrf.SAADC_ENABLE_ENABLE_Pos)
+ nrf.SAADC.ENABLE.Set(nrf.SAADC_ENABLE_ENABLE_Enabled << nrf.SAADC_ENABLE_ENABLE_Pos)
for i := 0; i < 8; i++ {
- nrf.SAADC.CH[i].PSELN = nrf.SAADC_CH_PSELP_PSELP_NC
- nrf.SAADC.CH[i].PSELP = nrf.SAADC_CH_PSELP_PSELP_NC
+ nrf.SAADC.CH[i].PSELN.Set(nrf.SAADC_CH_PSELP_PSELP_NC)
+ nrf.SAADC.CH[i].PSELP.Set(nrf.SAADC_CH_PSELP_PSELP_NC)
}
// Configure ADC.
- nrf.SAADC.CH[0].CONFIG = ((nrf.SAADC_CH_CONFIG_RESP_Bypass << nrf.SAADC_CH_CONFIG_RESP_Pos) & nrf.SAADC_CH_CONFIG_RESP_Msk) |
+ nrf.SAADC.CH[0].CONFIG.Set(((nrf.SAADC_CH_CONFIG_RESP_Bypass << nrf.SAADC_CH_CONFIG_RESP_Pos) & nrf.SAADC_CH_CONFIG_RESP_Msk) |
((nrf.SAADC_CH_CONFIG_RESP_Bypass << nrf.SAADC_CH_CONFIG_RESN_Pos) & nrf.SAADC_CH_CONFIG_RESN_Msk) |
((nrf.SAADC_CH_CONFIG_GAIN_Gain1_5 << nrf.SAADC_CH_CONFIG_GAIN_Pos) & nrf.SAADC_CH_CONFIG_GAIN_Msk) |
((nrf.SAADC_CH_CONFIG_REFSEL_Internal << nrf.SAADC_CH_CONFIG_REFSEL_Pos) & nrf.SAADC_CH_CONFIG_REFSEL_Msk) |
((nrf.SAADC_CH_CONFIG_TACQ_3us << nrf.SAADC_CH_CONFIG_TACQ_Pos) & nrf.SAADC_CH_CONFIG_TACQ_Msk) |
- ((nrf.SAADC_CH_CONFIG_MODE_SE << nrf.SAADC_CH_CONFIG_MODE_Pos) & nrf.SAADC_CH_CONFIG_MODE_Msk)
+ ((nrf.SAADC_CH_CONFIG_MODE_SE << nrf.SAADC_CH_CONFIG_MODE_Pos) & nrf.SAADC_CH_CONFIG_MODE_Msk))
// Set pin to read.
- nrf.SAADC.CH[0].PSELN = nrf.RegValue(pwmPin)
- nrf.SAADC.CH[0].PSELP = nrf.RegValue(pwmPin)
+ nrf.SAADC.CH[0].PSELN.Set(pwmPin)
+ nrf.SAADC.CH[0].PSELP.Set(pwmPin)
// Destination for sample result.
- nrf.SAADC.RESULT.PTR = nrf.RegValue(uintptr(unsafe.Pointer(&value)))
- nrf.SAADC.RESULT.MAXCNT = 1 // One sample
+ nrf.SAADC.RESULT.PTR.Set(uint32(uintptr(unsafe.Pointer(&value))))
+ nrf.SAADC.RESULT.MAXCNT.Set(1) // One sample
// Start tasks.
- nrf.SAADC.TASKS_START = 1
- for nrf.SAADC.EVENTS_STARTED == 0 {
+ nrf.SAADC.TASKS_START.Set(1)
+ for nrf.SAADC.EVENTS_STARTED.Get() == 0 {
}
- nrf.SAADC.EVENTS_STARTED = 0x00
+ nrf.SAADC.EVENTS_STARTED.Set(0x00)
// Start the sample task.
- nrf.SAADC.TASKS_SAMPLE = 1
+ nrf.SAADC.TASKS_SAMPLE.Set(1)
// Wait until the sample task is done.
- for nrf.SAADC.EVENTS_END == 0 {
+ for nrf.SAADC.EVENTS_END.Get() == 0 {
}
- nrf.SAADC.EVENTS_END = 0x00
+ nrf.SAADC.EVENTS_END.Set(0x00)
// Stop the ADC
- nrf.SAADC.TASKS_STOP = 1
- for nrf.SAADC.EVENTS_STOPPED == 0 {
+ nrf.SAADC.TASKS_STOP.Set(1)
+ for nrf.SAADC.EVENTS_STOPPED.Get() == 0 {
}
- nrf.SAADC.EVENTS_STOPPED = 0
+ nrf.SAADC.EVENTS_STOPPED.Set(0)
// Disable the ADC.
- nrf.SAADC.ENABLE = (nrf.SAADC_ENABLE_ENABLE_Disabled << nrf.SAADC_ENABLE_ENABLE_Pos)
+ nrf.SAADC.ENABLE.Set(nrf.SAADC_ENABLE_ENABLE_Disabled << nrf.SAADC_ENABLE_ENABLE_Pos)
if value < 0 {
value = 0
@@ -174,21 +174,21 @@ func (pwm PWM) Set(value uint16) {
p := pwms[i]
- p.PSEL.OUT[0] = nrf.RegValue(pwm.Pin)
- p.PSEL.OUT[1] = nrf.RegValue(pwm.Pin)
- p.PSEL.OUT[2] = nrf.RegValue(pwm.Pin)
- p.PSEL.OUT[3] = nrf.RegValue(pwm.Pin)
- p.ENABLE = (nrf.PWM_ENABLE_ENABLE_Enabled << nrf.PWM_ENABLE_ENABLE_Pos)
- p.PRESCALER = nrf.PWM_PRESCALER_PRESCALER_DIV_2
- p.MODE = nrf.PWM_MODE_UPDOWN_Up
- p.COUNTERTOP = 16384 // frequency
- p.LOOP = 0
- p.DECODER = (nrf.PWM_DECODER_LOAD_Common << nrf.PWM_DECODER_LOAD_Pos) | (nrf.PWM_DECODER_MODE_RefreshCount << nrf.PWM_DECODER_MODE_Pos)
- p.SEQ[0].PTR = nrf.RegValue(uintptr(unsafe.Pointer(&pwmChannelSequence[i])))
- p.SEQ[0].CNT = 1
- p.SEQ[0].REFRESH = 1
- p.SEQ[0].ENDDELAY = 0
- p.TASKS_SEQSTART[0] = 1
+ p.PSEL.OUT[0].Set(uint32(pwm.Pin))
+ p.PSEL.OUT[1].Set(uint32(pwm.Pin))
+ p.PSEL.OUT[2].Set(uint32(pwm.Pin))
+ p.PSEL.OUT[3].Set(uint32(pwm.Pin))
+ p.ENABLE.Set(nrf.PWM_ENABLE_ENABLE_Enabled << nrf.PWM_ENABLE_ENABLE_Pos)
+ p.PRESCALER.Set(nrf.PWM_PRESCALER_PRESCALER_DIV_2)
+ p.MODE.Set(nrf.PWM_MODE_UPDOWN_Up)
+ p.COUNTERTOP.Set(16384) // frequency
+ p.LOOP.Set(0)
+ p.DECODER.Set((nrf.PWM_DECODER_LOAD_Common << nrf.PWM_DECODER_LOAD_Pos) | (nrf.PWM_DECODER_MODE_RefreshCount << nrf.PWM_DECODER_MODE_Pos))
+ p.SEQ[0].PTR.Set(uint32(uintptr(unsafe.Pointer(&pwmChannelSequence[i]))))
+ p.SEQ[0].CNT.Set(1)
+ p.SEQ[0].REFRESH.Set(1)
+ p.SEQ[0].ENDDELAY.Set(0)
+ p.TASKS_SEQSTART[0].Set(1)
break
}
diff --git a/src/runtime/runtime_nrf.go b/src/runtime/runtime_nrf.go
index e6009abe2..60d6fc8da 100644
--- a/src/runtime/runtime_nrf.go
+++ b/src/runtime/runtime_nrf.go
@@ -32,16 +32,16 @@ func init() {
func initLFCLK() {
if machine.HasLowFrequencyCrystal {
- nrf.CLOCK.LFCLKSRC = nrf.CLOCK_LFCLKSTAT_SRC_Xtal
+ nrf.CLOCK.LFCLKSRC.Set(nrf.CLOCK_LFCLKSTAT_SRC_Xtal)
}
- nrf.CLOCK.TASKS_LFCLKSTART = 1
- for nrf.CLOCK.EVENTS_LFCLKSTARTED == 0 {
+ nrf.CLOCK.TASKS_LFCLKSTART.Set(1)
+ for nrf.CLOCK.EVENTS_LFCLKSTARTED.Get() == 0 {
}
- nrf.CLOCK.EVENTS_LFCLKSTARTED = 0
+ nrf.CLOCK.EVENTS_LFCLKSTARTED.Set(0)
}
func initRTC() {
- nrf.RTC1.TASKS_START = 1
+ nrf.RTC1.TASKS_START.Set(1)
arm.SetPriority(nrf.IRQ_RTC1, 0xc0) // low priority
arm.EnableIRQ(nrf.IRQ_RTC1)
}
@@ -72,7 +72,7 @@ var (
// overflow the counter, leading to incorrect results. This might be fixed by
// handling the overflow event.
func ticks() timeUnit {
- rtcCounter := uint32(nrf.RTC1.COUNTER)
+ rtcCounter := uint32(nrf.RTC1.COUNTER.Get())
offset := (rtcCounter - rtcLastCounter) & 0xffffff // change since last measurement
rtcLastCounter = rtcCounter
timestamp += timeUnit(offset) // TODO: not precise
@@ -85,7 +85,7 @@ type isrFlag bool
var rtc_wakeup isrFlag
func rtc_sleep(ticks uint32) {
- nrf.RTC1.INTENSET = nrf.RTC_INTENSET_COMPARE0
+ nrf.RTC1.INTENSET.Set(nrf.RTC_INTENSET_COMPARE0)
rtc_wakeup = false
if ticks == 1 {
// Race condition (even in hardware) at ticks == 1.
@@ -93,7 +93,7 @@ func rtc_sleep(ticks uint32) {
// describes.
ticks = 2
}
- nrf.RTC1.CC[0] = (nrf.RTC1.COUNTER + nrf.RegValue(ticks)) & 0x00ffffff
+ nrf.RTC1.CC[0].Set((nrf.RTC1.COUNTER.Get() + ticks) & 0x00ffffff)
for !rtc_wakeup {
arm.Asm("wfi")
}
@@ -101,7 +101,7 @@ func rtc_sleep(ticks uint32) {
//go:export RTC1_IRQHandler
func handleRTC1() {
- nrf.RTC1.INTENCLR = nrf.RTC_INTENSET_COMPARE0
- nrf.RTC1.EVENTS_COMPARE[0] = 0
+ nrf.RTC1.INTENCLR.Set(nrf.RTC_INTENSET_COMPARE0)
+ nrf.RTC1.EVENTS_COMPARE[0].Set(0)
rtc_wakeup = true
}