CPU specific definitions for internal peripheral handling. More...

Detailed Description

CPU specific definitions for internal peripheral handling.

Author: Ken Rabold

Definition in file periph_cpu.h.

#include <inttypes.h>
#include "periph_cpu_common.h"
#include "cpu.h"

Include dependency graph for periph_cpu.h:

Data Structures
struct	uart_conf_t
	UART device configuration. More...

struct	spi_conf_t
	SPI device configuration. More...

struct	i2c_conf_t
	I2C configuration structure. More...

Macros
#define	PERIPH_TIMER_PROVIDES_SET
	Prevent shared timer functions from being used.

#define	WDT_INTR_PRIORITY (PLIC_NUM_PRIORITIES)
	WDT interrupt priority: use highest priority.

#define	WDT_HAS_STOP (1)
	WDT can be stopped.

#define	CPUID_LEN (12U)
	Length of the CPU_ID in octets.

#define	GPIO_UNDEF (0xff)
	Definition of a fitting UNDEF value.

#define	GPIO_PIN(x, y) (x \| y)
	Define a CPU specific GPIO pin generator macro.

#define	GPIO_INTR_PRIORITY (3)
	GPIO interrupt priority.

#define	UART_ISR_PRIO (2)
	UART interrupt priority.

This CPU makes use of the following shared SPI functions
#define	PERIPH_SPI_NEEDS_TRANSFER_BYTE 1

#define	PERIPH_SPI_NEEDS_TRANSFER_REG 1

#define	PERIPH_SPI_NEEDS_TRANSFER_REGS 1

Use the shared I2C functions
#define	PERIPH_I2C_NEED_READ_REG
	Use read reg function from periph common.

#define	PERIPH_I2C_NEED_WRITE_REG
	Use write reg function from periph common.

#define	PERIPH_I2C_NEED_READ_REGS
	Use read regs function from periph common.

#define	PERIPH_I2C_NEED_WRITE_REGS
	Use write regs function from periph common.

WDT upper and lower bound times in ms
#define	NWDT_TIME_LOWER_LIMIT (1)

#define	NWDT_TIME_UPPER_LIMIT ((UINT32_MAX >> 15) * MS_PER_SEC + 1)

RTT/RTC configuration
#define	RTT_INTR_PRIORITY (2)

#define	RTT_MAX_VALUE (0xffffffff)

#define	RTT_CLOCK_FREQUENCY (32768U) /* in Hz */

#define	RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* in Hz */

#define	RTT_MIN_FREQUENCY (1U) /* in Hz */

#define	RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* in Hz */

void	fe310_clock_init (void)
	Initialization of the clock.

Macro Definition Documentation

◆ CPUID_LEN

#define CPUID_LEN (12U)

Length of the CPU_ID in octets.

Definition at line 42 of file periph_cpu.h.

◆ GPIO_INTR_PRIORITY

#define GPIO_INTR_PRIORITY (3)

GPIO interrupt priority.

Definition at line 57 of file periph_cpu.h.

◆ GPIO_PIN

#define GPIO_PIN	(	x,
		y
	)	(x \| y)

Define a CPU specific GPIO pin generator macro.

Definition at line 52 of file periph_cpu.h.

◆ GPIO_UNDEF

#define GPIO_UNDEF (0xff)

Definition of a fitting UNDEF value.

Definition at line 47 of file periph_cpu.h.

◆ NWDT_TIME_LOWER_LIMIT

#define NWDT_TIME_LOWER_LIMIT (1)

Definition at line 139 of file periph_cpu.h.

◆ NWDT_TIME_UPPER_LIMIT

#define NWDT_TIME_UPPER_LIMIT ((UINT32_MAX >> 15) * MS_PER_SEC + 1)

Definition at line 144 of file periph_cpu.h.

◆ PERIPH_I2C_NEED_READ_REG

#define PERIPH_I2C_NEED_READ_REG

Use read reg function from periph common.

Definition at line 103 of file periph_cpu.h.

◆ PERIPH_I2C_NEED_READ_REGS

#define PERIPH_I2C_NEED_READ_REGS

Use read regs function from periph common.

Definition at line 107 of file periph_cpu.h.

◆ PERIPH_I2C_NEED_WRITE_REG

#define PERIPH_I2C_NEED_WRITE_REG

Use write reg function from periph common.

Definition at line 105 of file periph_cpu.h.

◆ PERIPH_I2C_NEED_WRITE_REGS

#define PERIPH_I2C_NEED_WRITE_REGS

Use write regs function from periph common.

Definition at line 109 of file periph_cpu.h.

◆ PERIPH_SPI_NEEDS_TRANSFER_BYTE

#define PERIPH_SPI_NEEDS_TRANSFER_BYTE 1

Definition at line 78 of file periph_cpu.h.

◆ PERIPH_SPI_NEEDS_TRANSFER_REG

#define PERIPH_SPI_NEEDS_TRANSFER_REG 1

Definition at line 79 of file periph_cpu.h.

◆ PERIPH_SPI_NEEDS_TRANSFER_REGS

#define PERIPH_SPI_NEEDS_TRANSFER_REGS 1

Definition at line 80 of file periph_cpu.h.

◆ PERIPH_TIMER_PROVIDES_SET

#define PERIPH_TIMER_PROVIDES_SET

Prevent shared timer functions from being used.

Definition at line 96 of file periph_cpu.h.

◆ RTT_CLOCK_FREQUENCY

#define RTT_CLOCK_FREQUENCY (32768U) /* in Hz */

Definition at line 165 of file periph_cpu.h.

◆ RTT_FREQUENCY

#define RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* in Hz */

Definition at line 170 of file periph_cpu.h.

◆ RTT_INTR_PRIORITY

#define RTT_INTR_PRIORITY (2)

Definition at line 162 of file periph_cpu.h.

◆ RTT_MAX_FREQUENCY

#define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* in Hz */

Definition at line 166 of file periph_cpu.h.

◆ RTT_MAX_VALUE

#define RTT_MAX_VALUE (0xffffffff)

Definition at line 164 of file periph_cpu.h.

◆ RTT_MIN_FREQUENCY

#define RTT_MIN_FREQUENCY (1U) /* in Hz */

Definition at line 167 of file periph_cpu.h.

◆ UART_ISR_PRIO

#define UART_ISR_PRIO (2)

UART interrupt priority.

Definition at line 72 of file periph_cpu.h.

◆ WDT_HAS_STOP

#define WDT_HAS_STOP (1)

WDT can be stopped.

Definition at line 155 of file periph_cpu.h.

◆ WDT_INTR_PRIORITY

#define WDT_INTR_PRIORITY (PLIC_NUM_PRIORITIES)

WDT interrupt priority: use highest priority.

Definition at line 150 of file periph_cpu.h.