UM0097 datasheet(123/229 Pages) STMICROELECTRONICS

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UM0097

Peripheral firmware overview

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Table 58 describes the BSPI flags.

BSPI interrupts

The following enumeration defines the BSPI interrupts. The BSPI_ITS_ERR is defined in the

file 71x_bspi.h as follows:

typedef enum

{

BSPI_BEIE = 0x80,

BSPI_REIE = 0x10,

BSPI_ALL_ERR = 0x90

} BSPI_IT_ERR;

Table 59 enumerates the BSPI interrupts.

Transmit interrupt sources

The following enumeration defines the BSPI transmit interrupt sources. The TR_IT_SRCS is

defined in the file 71x_bspi.h as follows:

typedef enum

{

BSPI_TR_FE,

BSPI_TR_UFL,

BSPI_TR_FF,

BSPI_TR_DIS

} BSPI_IT_TR;

Table 58.

BSPI flags

BSPI

Offset

Flag

Flag Index

Flag Code

BSP_SR2

0x0C

BSPI_BERR: Bus error flag

0x04

BSPI_RFNE: Receive FIFO not empty flag

0x08

BSPI_RFF: Receive FIFO full flag

0x10

BSPI_ROFL: Receive overflow flag

0x20

BSPI_TFE: Transmit FIFO empty flag

0x40

BSPI_TUFL: Transmit underflow flag

0x80

BSPI_TFF: Transmit FIFO full flag

0x100

BSPI_TFNE: Transmit FIFO not empty flag

0x200

Table 59.

BSPI interrupts

BSPI Interrupt Flags

Description

BSPI_BEIE

Bus Error Interrupt

BSPI_REIE

Receive Error Interrupt

BSPI_ALL_ERR

All Error interrupts: BSPI_BEIE and BSPI_REIE

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