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periph_common_conf.h
Go to the documentation of this file.
1/*
2 * Copyright (C) 2020 Koen Zandberg <koen@bergzand.net>
3 * 2023 Gunar Schorcht <gunar@schorcht.net>
4 *
5 * This file is subject to the terms and conditions of the GNU Lesser
6 * General Public License v2.1. See the file LICENSE in the top level
7 * directory for more details.
8 */
9
10#pragma once
11
22
23#include "macros/units.h"
24#include "periph_cpu.h"
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
30#if defined(MODULE_USBDEV_SYNOPSYS_DWC2) || defined(MODULE_TINYUSB_DEVICE)
31/* If the USB OTG peripheral is used, the USB clock of 48 MHz is derived by
32 * dividing the PLL clock by 1, 1.5, 2, or 2.5. That is the maximum core clock
33 * frequency can be 96 MHz. */
34#define CLOCK_CORECLOCK MHZ(96)
35#else
36#define CLOCK_CORECLOCK MHZ(108)
37#endif
38
39#define CLOCK_AHB CLOCK_CORECLOCK
40#define CLOCK_APB1 CLOCK_AHB/2
41#define CLOCK_APB2 CLOCK_AHB
42
47#if CONFIG_BOARD_HAS_LXTAL
48#define RTT_CLOCK_FREQUENCY (32768U)
49#else
50#define RTT_CLOCK_FREQUENCY (40000U)
51#endif
52
53#define RTT_MAX_FREQUENCY (RTT_CLOCK_FREQUENCY) /* maximum RTT frequency in Hz */
54
55#ifndef RTT_FREQUENCY
56#define RTT_FREQUENCY (RTT_MAX_FREQUENCY) /* RTT frequency in Hz */
57#endif
59
60#ifdef __cplusplus
61}
62#endif
63
units.h
Unit helper macros.