MAX32655 Peripheral Driver API
Peripheral Driver API for the MAX32655
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system_max32655.h
1/******************************************************************************
2 *
3 * Copyright (C) 2022-2023 Maxim Integrated Products, Inc. (now owned by
4 * Analog Devices, Inc.),
5 * Copyright (C) 2023-2024 Analog Devices, Inc.
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 ******************************************************************************/
20
21#ifndef LIBRARIES_CMSIS_DEVICE_MAXIM_MAX32655_INCLUDE_SYSTEM_MAX32655_H_
22#define LIBRARIES_CMSIS_DEVICE_MAXIM_MAX32655_INCLUDE_SYSTEM_MAX32655_H_
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28#include <stdint.h>
29
30/*----------------------------------------------------------------------------
31 Define clocks
32 *----------------------------------------------------------------------------*/
33
34/* NOTE: HIRC was previously named CRYPTO */
35#ifdef CRYPTO_FREQ
36#warning WARNING: CRYPTO_FREQ does not exist in MAX78000, replace with HIRC_FREQ!
37#define HIRC_FREQ CRYPTO_FREQ
38#endif
39
40/* NOTE: EXTCLK needs to be defined by user based on the clock they supply */
41#ifndef EXTCLK_FREQ
42#define EXTCLK_FREQ 75000000
43#endif
44
45/* NOTE: This is the nominal value for INRO. The actual value may vary from chip to chip.
46 Update if use of this oscillator requires precise timing.*/
47/* NOTE: INRO was previously named NANORING */
48#ifndef INRO_FREQ
49#define INRO_FREQ 8000
50#endif
51
52#ifndef IPO_FREQ
53#define IPO_FREQ 100000000
54#endif
55
56#ifndef ISO_FREQ
57#define ISO_FREQ 60000000
58#endif
59
60#ifndef ERFO_FREQ
61#define ERFO_FREQ 32000000
62#endif
63
64#ifndef IBRO_FREQ
65#define IBRO_FREQ 7372800
66#endif
67
68#ifndef ERTCO_FREQ
69#define ERTCO_FREQ 32768
70#endif
71
72#ifndef HIRC_FREQ
73#define HIRC_FREQ IPO_FREQ
74#endif
75
76extern uint32_t SystemCoreClock;
77#ifdef PeripheralClock
78#warning PeripheralClock define is being overidden.
79#else
80#define PeripheralClock (SystemCoreClock / 2)
81#endif
82
83/*
84 * Initialize the system
85 *
86 * @brief Setup the microcontroller system.
87 * Initialize the System and update the SystemCoreClock variable.
88 */
89void SystemInit(void);
90
91/*
92 * Update SystemCoreClock variable
93 *
94 * @brief Updates the SystemCoreClock with current core Clock
95 * retrieved from cpu registers.
96 */
97void SystemCoreClockUpdate(void);
98
99#ifdef __cplusplus
100}
101#endif
102
103#endif // LIBRARIES_CMSIS_DEVICE_MAXIM_MAX32655_INCLUDE_SYSTEM_MAX32655_H_