periph_common_conf.h File Reference

Common peripheral configuration for GD32VF103 boards. More...

Detailed Description

Common peripheral configuration for GD32VF103 boards.

Author

Koen Zandberg koen@.nosp@m.berg.nosp@m.zand..nosp@m.net

Gunar Schorcht gunar.nosp@m.@sch.nosp@m.orcht.nosp@m..net

Definition in file periph_common_conf.h.

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

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Go to the source code of this file.

#define	CLOCK_CORECLOCK   MHZ(108)
	CPU clock frequency in Hz.
#define	CLOCK_AHB   CLOCK_CORECLOCK
	Equal to the CPU clock.
#define	CLOCK_APB1   CLOCK_AHB/2
	Half AHB clock.
#define	CLOCK_APB2   CLOCK_AHB
	Equal to the AHB clock.

RTT/RTC configuration
#define	RTT_CLOCK_FREQUENCY   (40000U)
	IRC40K is used as clock source.
#define	RTT_MAX_FREQUENCY   (RTT_CLOCK_FREQUENCY) /* maximum RTT frequency in Hz */
#define	RTT_FREQUENCY   (RTT_MAX_FREQUENCY) /* RTT frequency in Hz */

Macro Definition Documentation

CLOCK_AHB

#define CLOCK_AHB   CLOCK_CORECLOCK

Equal to the CPU clock.

Definition at line 40 of file periph_common_conf.h.

CLOCK_APB1

#define CLOCK_APB1   CLOCK_AHB/2

Half AHB clock.

Definition at line 41 of file periph_common_conf.h.

CLOCK_APB2

#define CLOCK_APB2   CLOCK_AHB

Equal to the AHB clock.

Definition at line 42 of file periph_common_conf.h.

CLOCK_CORECLOCK

#define CLOCK_CORECLOCK   MHZ(108)

CPU clock frequency in Hz.

Definition at line 37 of file periph_common_conf.h.

RTT_CLOCK_FREQUENCY

#define RTT_CLOCK_FREQUENCY   (40000U)

IRC40K is used as clock source.

Definition at line 51 of file periph_common_conf.h.

RTT_FREQUENCY

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

Definition at line 57 of file periph_common_conf.h.

RTT_MAX_FREQUENCY

#define RTT_MAX_FREQUENCY   (RTT_CLOCK_FREQUENCY) /* maximum RTT frequency in Hz */

Definition at line 54 of file periph_common_conf.h.