uart_conf.h File Reference

UART configuration for the RP2350. More...

Detailed Description

UART configuration for the RP2350.

Author

Tom Hert git@a.nosp@m.nnsa.nosp@m.nn.eu

Definition in file uart_conf.h.

#include "RP2350.h"
#include "macros/units.h"
#include "periph_cpu.h"

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Go to the source code of this file.

#define	BAUDRATE   115200u
	UART baud rate in bits per second.
#define	IBRD   ((((8u * CPUFREQ) + BAUDRATE) / (2u * BAUDRATE)) / 64u)
	Integer baud rate divisor.
#define	FBRD   ((((8u * CPUFREQ) + BAUDRATE) / (2u * BAUDRATE)) % 64u)
	Fractional baud rate divisor.
#define	UART_UARTCR_UARTEN_BITS   (1u << 0u)
	UART enable bit in control register.
#define	UART_UARTCR_RXE_BITS   (1u << 9u)
	UART receive enable bit in control register.
#define	UART_UARTCR_TXE_BITS   (1u << 8u)
	UART transmit enable bit in control register.
#define	UART_UARTFR_RXFF_BITS   (1u << 6u)
	UART receive FIFO full flag bit in flag register.
#define	UART_UARTFR_TXFE_BITS   (1u << 7u)
	UART transmit FIFO empty flag bit in flag register.

Macro Definition Documentation

BAUDRATE

#define BAUDRATE   115200u

UART baud rate in bits per second.

Definition at line 24 of file uart_conf.h.

FBRD

#define FBRD   ((((8u * CPUFREQ) + BAUDRATE) / (2u * BAUDRATE)) % 64u)

Fractional baud rate divisor.

Definition at line 30 of file uart_conf.h.

IBRD

#define IBRD   ((((8u * CPUFREQ) + BAUDRATE) / (2u * BAUDRATE)) / 64u)

Integer baud rate divisor.

Definition at line 27 of file uart_conf.h.

UART_UARTCR_RXE_BITS

#define UART_UARTCR_RXE_BITS   (1u << 9u)

UART receive enable bit in control register.

Definition at line 36 of file uart_conf.h.

UART_UARTCR_TXE_BITS

#define UART_UARTCR_TXE_BITS   (1u << 8u)

UART transmit enable bit in control register.

Definition at line 39 of file uart_conf.h.

UART_UARTCR_UARTEN_BITS

#define UART_UARTCR_UARTEN_BITS   (1u << 0u)

UART enable bit in control register.

Definition at line 33 of file uart_conf.h.

UART_UARTFR_RXFF_BITS

#define UART_UARTFR_RXFF_BITS   (1u << 6u)

UART receive FIFO full flag bit in flag register.

Definition at line 42 of file uart_conf.h.

UART_UARTFR_TXFE_BITS

#define UART_UARTFR_TXFE_BITS   (1u << 7u)

UART transmit FIFO empty flag bit in flag register.

Definition at line 45 of file uart_conf.h.