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M471M/R1/S BSP V3.01.000
The Board Support Package for M4521
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M471M/R1/S SPI driver header file. More...
#include "NuMicro.h"
Go to the source code of this file.
Macros | |
#define | SPI_MODE_0 (SPI_CTL_TXNEG_Msk) |
#define | SPI_MODE_1 (SPI_CTL_RXNEG_Msk) |
#define | SPI_MODE_2 (SPI_CTL_CLKPOL_Msk | SPI_CTL_RXNEG_Msk) |
#define | SPI_MODE_3 (SPI_CTL_CLKPOL_Msk | SPI_CTL_TXNEG_Msk) |
#define | SPI_SLAVE (SPI_CTL_SLAVE_Msk) |
#define | SPI_MASTER (0x0) |
#define | SPI_SS (SPI_SSCTL_SS_Msk) |
#define | SPI_SS_ACTIVE_HIGH (SPI_SSCTL_SSACTPOL_Msk) |
#define | SPI_SS_ACTIVE_LOW (0x0) |
#define | SPI_UNIT_INT_MASK (0x001) |
#define | SPI_SSACT_INT_MASK (0x002) |
#define | SPI_SSINACT_INT_MASK (0x004) |
#define | SPI_SLVUR_INT_MASK (0x008) |
#define | SPI_SLVBE_INT_MASK (0x010) |
#define | SPI_SLVTO_INT_MASK (0x020) |
#define | SPI_TXUF_INT_MASK (0x040) |
#define | SPI_FIFO_TXTH_INT_MASK (0x080) |
#define | SPI_FIFO_RXTH_INT_MASK (0x100) |
#define | SPI_FIFO_RXOV_INT_MASK (0x200) |
#define | SPI_FIFO_RXTO_INT_MASK (0x400) |
#define | SPI_BUSY_MASK (0x01) |
#define | SPI_RX_EMPTY_MASK (0x02) |
#define | SPI_RX_FULL_MASK (0x04) |
#define | SPI_TX_EMPTY_MASK (0x08) |
#define | SPI_TX_FULL_MASK (0x10) |
#define | SPI_TXRX_RESET_MASK (0x20) |
#define | SPI_SPIEN_STS_MASK (0x40) |
#define | SPI_SSLINE_STS_MASK (0x80) |
#define | SPI_CLR_UNIT_TRANS_INT_FLAG(spi) ((spi)->STATUS = SPI_STATUS_UNITIF_Msk) |
Clear the unit transfer interrupt flag. More... | |
#define | SPI_DISABLE_2BIT_MODE(spi) ((spi)->CTL &= ~SPI_CTL_TWOBIT_Msk) |
Disable 2-bit Transfer mode. More... | |
#define | SPI_DISABLE_3WIRE_MODE(spi) ((spi)->SSCTL &= ~SPI_SSCTL_SLV3WIRE_Msk) |
Disable Slave 3-wire mode. More... | |
#define | SPI_DISABLE_DUAL_MODE(spi) ((spi)->CTL &= ~SPI_CTL_DUALIOEN_Msk) |
Disable Dual I/O mode. More... | |
#define | SPI_DISABLE_QUAD_MODE(spi) ((spi)->CTL &= ~SPI_CTL_QUADIOEN_Msk) |
Disable Quad I/O mode. More... | |
#define | SPI_ENABLE_2BIT_MODE(spi) ((spi)->CTL |= SPI_CTL_TWOBIT_Msk) |
Enable 2-bit Transfer mode. More... | |
#define | SPI_ENABLE_3WIRE_MODE(spi) ((spi)->SSCTL |= SPI_SSCTL_SLV3WIRE_Msk) |
Enable Slave 3-wire mode. More... | |
#define | SPI_ENABLE_DUAL_INPUT_MODE(spi) ((spi)->CTL = ((spi)->CTL & (~SPI_CTL_QDIODIR_Msk)) | SPI_CTL_DUALIOEN_Msk) |
Enable Dual input mode. More... | |
#define | SPI_ENABLE_DUAL_OUTPUT_MODE(spi) ((spi)->CTL |= (SPI_CTL_QDIODIR_Msk | SPI_CTL_DUALIOEN_Msk)) |
Enable Dual output mode. More... | |
#define | SPI_ENABLE_QUAD_INPUT_MODE(spi) ((spi)->CTL = ((spi)->CTL & (~SPI_CTL_QDIODIR_Msk)) | SPI_CTL_QUADIOEN_Msk) |
Enable Quad input mode. More... | |
#define | SPI_ENABLE_QUAD_OUTPUT_MODE(spi) ((spi)->CTL |= (SPI_CTL_QDIODIR_Msk | SPI_CTL_QUADIOEN_Msk)) |
Enable Quad output mode. More... | |
#define | SPI_TRIGGER_RX_PDMA(spi) ((spi)->PDMACTL |= SPI_PDMACTL_RXPDMAEN_Msk) |
Trigger RX PDMA function. More... | |
#define | SPI_TRIGGER_TX_PDMA(spi) ((spi)->PDMACTL |= SPI_PDMACTL_TXPDMAEN_Msk) |
Trigger TX PDMA function. More... | |
#define | SPI_DISABLE_RX_PDMA(spi) ( (spi)->PDMACTL &= ~SPI_PDMACTL_RXPDMAEN_Msk ) |
Disable RX PDMA transfer. More... | |
#define | SPI_DISABLE_TX_PDMA(spi) ( (spi)->PDMACTL &= ~SPI_PDMACTL_TXPDMAEN_Msk ) |
Disable TX PDMA transfer. More... | |
#define | SPI_GET_RX_FIFO_COUNT(spi) (((spi)->STATUS & SPI_STATUS_RXCNT_Msk) >> SPI_STATUS_RXCNT_Pos) |
Get the count of available data in RX FIFO. More... | |
#define | SPI_GET_RX_FIFO_EMPTY_FLAG(spi) (((spi)->STATUS & SPI_STATUS_RXEMPTY_Msk)>>SPI_STATUS_RXEMPTY_Pos) |
Get the RX FIFO empty flag. More... | |
#define | SPI_GET_TX_FIFO_EMPTY_FLAG(spi) (((spi)->STATUS & SPI_STATUS_TXEMPTY_Msk)>>SPI_STATUS_TXEMPTY_Pos) |
Get the TX FIFO empty flag. More... | |
#define | SPI_GET_TX_FIFO_FULL_FLAG(spi) (((spi)->STATUS & SPI_STATUS_TXFULL_Msk)>>SPI_STATUS_TXFULL_Pos) |
Get the TX FIFO full flag. More... | |
#define | SPI_READ_RX(spi) ((spi)->RX) |
Get the datum read from RX register. More... | |
#define | SPI_WRITE_TX(spi, u32TxData) ((spi)->TX = (u32TxData)) |
Write datum to TX register. More... | |
#define | SPI_SET_SS_HIGH(spi) ((spi)->SSCTL = ((spi)->SSCTL & (~SPI_SSCTL_AUTOSS_Msk)) | (SPI_SSCTL_SSACTPOL_Msk | SPI_SSCTL_SS_Msk)) |
Set SPIn_SS pin to high state. More... | |
#define | SPI_SET_SS_LOW(spi) ((spi)->SSCTL = ((spi)->SSCTL & (~(SPI_SSCTL_AUTOSS_Msk | SPI_SSCTL_SSACTPOL_Msk))) | SPI_SSCTL_SS_Msk) |
Set SPIn_SS pin to low state. More... | |
#define | SPI_ENABLE_BYTE_REORDER(spi) ((spi)->CTL |= SPI_CTL_REORDER_Msk) |
Enable Byte Reorder function. More... | |
#define | SPI_DISABLE_BYTE_REORDER(spi) ((spi)->CTL &= ~SPI_CTL_REORDER_Msk) |
Disable Byte Reorder function. More... | |
#define | SPI_SET_SUSPEND_CYCLE(spi, u32SuspCycle) ((spi)->CTL = ((spi)->CTL & ~SPI_CTL_SUSPITV_Msk) | ((u32SuspCycle) << SPI_CTL_SUSPITV_Pos)) |
Set the length of suspend interval. More... | |
#define | SPI_SET_LSB_FIRST(spi) ((spi)->CTL |= SPI_CTL_LSB_Msk) |
Set the SPI transfer sequence with LSB first. More... | |
#define | SPI_SET_MSB_FIRST(spi) ((spi)->CTL &= ~SPI_CTL_LSB_Msk) |
Set the SPI transfer sequence with MSB first. More... | |
#define | SPI_SET_DATA_WIDTH(spi, u32Width) ((spi)->CTL = ((spi)->CTL & ~SPI_CTL_DWIDTH_Msk) | (((u32Width)&0x1F) << SPI_CTL_DWIDTH_Pos)) |
Set the data width of a SPI transaction. More... | |
#define | SPI_IS_BUSY(spi) ( ((spi)->STATUS & SPI_STATUS_BUSY_Msk)>>SPI_STATUS_BUSY_Pos ) |
Get the SPI busy state. More... | |
#define | SPI_ENABLE(spi) ((spi)->CTL |= SPI_CTL_SPIEN_Msk) |
Enable SPI controller. More... | |
#define | SPI_DISABLE(spi) ((spi)->CTL &= ~SPI_CTL_SPIEN_Msk) |
Disable SPI controller. More... | |
Functions | |
uint32_t | SPI_Open (SPI_T *spi, uint32_t u32MasterSlave, uint32_t u32SPIMode, uint32_t u32DataWidth, uint32_t u32BusClock) |
This function make SPI module be ready to transfer. More... | |
void | SPI_Close (SPI_T *spi) |
Disable SPI controller. More... | |
void | SPI_ClearRxFIFO (SPI_T *spi) |
Clear RX FIFO buffer. More... | |
void | SPI_ClearTxFIFO (SPI_T *spi) |
Clear TX FIFO buffer. More... | |
void | SPI_DisableAutoSS (SPI_T *spi) |
Disable the automatic slave selection function. More... | |
void | SPI_EnableAutoSS (SPI_T *spi, uint32_t u32SSPinMask, uint32_t u32ActiveLevel) |
Enable the automatic slave selection function. More... | |
uint32_t | SPI_SetBusClock (SPI_T *spi, uint32_t u32BusClock) |
Set the SPI bus clock. More... | |
void | SPI_SetFIFO (SPI_T *spi, uint32_t u32TxThreshold, uint32_t u32RxThreshold) |
Configure FIFO threshold setting. More... | |
uint32_t | SPI_GetBusClock (SPI_T *spi) |
Get the actual frequency of SPI bus clock. Only available in Master mode. More... | |
void | SPI_EnableInt (SPI_T *spi, uint32_t u32Mask) |
Enable interrupt function. More... | |
void | SPI_DisableInt (SPI_T *spi, uint32_t u32Mask) |
Disable interrupt function. More... | |
uint32_t | SPI_GetIntFlag (SPI_T *spi, uint32_t u32Mask) |
Get interrupt flag. More... | |
void | SPI_ClearIntFlag (SPI_T *spi, uint32_t u32Mask) |
Clear interrupt flag. More... | |
uint32_t | SPI_GetStatus (SPI_T *spi, uint32_t u32Mask) |
Get SPI status. More... | |
M471M/R1/S SPI driver header file.
SPDX-License-Identifier: Apache-2.0
Definition in file spi.h.