cfg_rtt_default.h File Reference

Default RTT configuration for nRF52 based boards. More...

Detailed Description

Default RTT configuration for nRF52 based boards.

Author

Alexandre Abadie alexa.nosp@m.ndre.nosp@m..abad.nosp@m.ie@i.nosp@m.nria..nosp@m.fr

Definition in file cfg_rtt_default.h.

Go to the source code of this file.

Real time counter configuration
#define	RTT_DEV   (1) /* NRF_RTC1 */
#define	RTT_MAX_VALUE   (0x00ffffff) /* 24bit */
#define	RTT_MAX_FREQUENCY   (32768U) /* in Hz */
#define	RTT_MIN_FREQUENCY   (8U) /* in Hz */
#define	RTT_CLOCK_FREQUENCY   (32768U) /* in Hz, LFCLK*/
#define	RTT_MIN_OFFSET   (3U)
	Default offset of 2 ticks is not enough, see figures 8 and 9 in https://docs.nordicsemi.com/bundle/ps_nrf52840/page/rtc.html.
#define	RTT_FREQUENCY   (1024U) /* in Hz */

Macro Definition Documentation

RTT_CLOCK_FREQUENCY

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

Definition at line 34 of file cfg_rtt_default.h.

RTT_DEV

#define RTT_DEV   (1) /* NRF_RTC1 */

Definition at line 28 of file cfg_rtt_default.h.

RTT_FREQUENCY

#define RTT_FREQUENCY   (1024U) /* in Hz */

Definition at line 42 of file cfg_rtt_default.h.

RTT_MAX_FREQUENCY

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

Definition at line 32 of file cfg_rtt_default.h.

RTT_MAX_VALUE

#define RTT_MAX_VALUE   (0x00ffffff) /* 24bit */

Definition at line 31 of file cfg_rtt_default.h.

RTT_MIN_FREQUENCY

#define RTT_MIN_FREQUENCY   (8U) /* in Hz */

Definition at line 33 of file cfg_rtt_default.h.

RTT_MIN_OFFSET

#define RTT_MIN_OFFSET   (3U)

Default offset of 2 ticks is not enough, see figures 8 and 9 in https://docs.nordicsemi.com/bundle/ps_nrf52840/page/rtc.html.

Definition at line 39 of file cfg_rtt_default.h.