#include <modm/platform/spi/spi_hal_1.hpp>

Inheritance diagram for modm::platform::SpiHal1:

Public Types
enum	DataMode : uint32_t { DataMode::Mode0 = 0b00, DataMode::Mode1 = SPI_CR1_CPHA, DataMode::Mode2 = SPI_CR1_CPOL, Mode3 = SPI_CR1_CPOL \| SPI_CR1_CPHA, All = Mode3 }

enum	DataOrder : uint32_t { MsbFirst = 0b0, LsbFirst = SPI_CR1_LSBFIRST, All = LsbFirst }

enum	DataSize : uint32_t { Bit8 = 0, Bit16 = SPI_CR1_DFF, All = Bit16 }

enum	Interrupt : uint32_t { RxBufferNotEmpty = SPI_CR2_RXNEIE, TxBufferEmpty = SPI_CR2_TXEIE, Error = SPI_CR2_ERRIE, RxDmaEnable = SPI_CR2_RXDMAEN, TxDmaEnable = SPI_CR2_TXDMAEN }

enum	InterruptFlag : uint32_t { TxBufferEmpty = SPI_SR_TXE, RxBufferNotEmpty = SPI_SR_RXNE, CrcError = SPI_SR_CRCERR, ModeFaultError = SPI_SR_MODF, OverrunError = SPI_SR_OVR, Busy = SPI_SR_BSY }

enum	MasterSelection : uint32_t { Slave = 0, Master = SPI_CR1_MSTR, All = Master }

enum	Prescaler : uint32_t { Div2 = 0, Div4 = SPI_CR1_BR_0, Div8 = SPI_CR1_BR_1, Div16 = SPI_CR1_BR_1 \| SPI_CR1_BR_0, Div32 = SPI_CR1_BR_2, Div64 = SPI_CR1_BR_2 \| SPI_CR1_BR_0, Div128 = SPI_CR1_BR_2 \| SPI_CR1_BR_1, Div256 = SPI_CR1_BR_2 \| SPI_CR1_BR_1 \| SPI_CR1_BR_0 }

Static Public Member Functions
static void	enable ()
	Enables the clock, resets the hardware and sets the SPE bit.

static void	disable ()
	Disables the hw module (by disabling its clock line)

static void	initialize (Prescaler prescaler, MasterSelection masterSelection=MasterSelection::Master, DataMode dataMode=DataMode::Mode0, DataOrder dataOrder=DataOrder::MsbFirst, DataSize dataSize=DataSize::Bit8)

static void	setDataMode (DataMode dataMode)

static void	setDataOrder (DataOrder dataOrder)

static void	setDataSize (DataSize dataSize)

static void	setMasterSelection (MasterSelection masterSelection)

static bool	isReceiveRegisterNotEmpty ()
	Returns true if data has been received.

static bool	isTransmitRegisterEmpty ()
	Returns true if data can be written.

static void	write (uint16_t data)

static void	write (uint8_t data)

static void	read (uint8_t &data)

static void	read (uint16_t &data)

static void	enableInterruptVector (bool enable, uint32_t priority)

static void	enableInterrupt (Interrupt_t interrupt)

static void	disableInterrupt (Interrupt_t interrupt)

static InterruptFlag_t	getInterruptFlags ()

static void	acknowledgeInterruptFlag (InterruptFlag_t flags)

static void	enableTransfer ()

static void	disableTransfer ()

Detailed Description

Serial peripheral interface (SPI1)

Very basic implementation that exposes more hardware features than the regular Spi classes.

Member Enumeration Documentation

inheritedstrong

Enum Values	Documentation
Mode0	clock normal, sample on rising edge
Mode1	clock normal, sample on falling edge
Mode2	clock inverted, sample on falling edge clock inverted, sample on rising edge

static void modm::platform::SpiHal1::acknowledgeInterruptFlag ( InterruptFlag_t flags )

static

static void modm::platform::SpiHal1::initialize	(	Prescaler	prescaler,
		MasterSelection	masterSelection = `MasterSelection::Master`,
		DataMode	dataMode = `DataMode::Mode0`,
		DataOrder	dataOrder = `DataOrder::MsbFirst`,
		DataSize	dataSize = `DataSize::Bit8`
	)

static

Initialize Spi Peripheral

Enables clocks, the UART peripheral Sets baudrate and parity.

static void modm::platform::SpiHal1::read ( uint16_t & data )

static

Returns the value of the data register

Warning: This method does NOT do any sanity checks!! It is your responsibility to check if the register contains something useful!

static void modm::platform::SpiHal1::read ( uint8_t & data )

static

Returns the value of the data register

Warning: This method does NOT do any sanity checks!! It is your responsibility to check if the register contains something useful!

static void modm::platform::SpiHal1::write ( uint16_t data )

static

Write up to 16 Bit to the data register

Warning: This method does NOT do any sanity checks!! It is your responsibility to check if the register is empty!

static void modm::platform::SpiHal1::write ( uint8_t data )

static

Write 8 Bit to the data register

Warning: This method does NOT do any sanity checks!! It is your responsibility to check if the register is empty!

The documentation for this class was generated from the following file: