cfg_clock_common_lx_u5_wx.h
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1 /*
2  * SPDX-FileCopyrightText: 2018 Freie Universität Berlin
3  * SPDX-FileCopyrightText: 2017 OTA keys S.A.
4  * SPDX-FileCopyrightText: 2018-2020 Inria
5  * SPDX-License-Identifier: LGPL-2.1-only
6  */
7 
8 #pragma once
9 
22 #include "kernel_defines.h"
23 
24 #ifdef __cplusplus
25 extern "C" {
26 #endif
27 
32 /* Select the desired system clock source between PLL, HSE or HSI */
33 #ifndef CONFIG_USE_CLOCK_PLL
34 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSE) || IS_ACTIVE(CONFIG_USE_CLOCK_HSI) || \
35  IS_ACTIVE(CONFIG_USE_CLOCK_MSI)
36 #define CONFIG_USE_CLOCK_PLL 0
37 #else
38 #define CONFIG_USE_CLOCK_PLL 1 /* Use PLL by default */
39 #endif
40 #endif /* CONFIG_USE_CLOCK_PLL */
43 #if IS_ACTIVE(CONFIG_USE_CLOCK_PLL) && \
44  (IS_ACTIVE(CONFIG_USE_CLOCK_MSI) || IS_ACTIVE(CONFIG_USE_CLOCK_HSE) || \
45  IS_ACTIVE(CONFIG_USE_CLOCK_HSI))
46 #error "Cannot use PLL as clock source with other clock configurations"
47 #endif
48 
49 #if IS_ACTIVE(CONFIG_USE_CLOCK_MSI) && \
50  (IS_ACTIVE(CONFIG_USE_CLOCK_PLL) || IS_ACTIVE(CONFIG_USE_CLOCK_HSE) || \
51  IS_ACTIVE(CONFIG_USE_CLOCK_HSI))
52 #error "Cannot use MSI as clock source with other clock configurations"
53 #endif
54 
55 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSE) && \
56  (IS_ACTIVE(CONFIG_USE_CLOCK_PLL) || IS_ACTIVE(CONFIG_USE_CLOCK_MSI) || \
57  IS_ACTIVE(CONFIG_USE_CLOCK_HSI))
58 #error "Cannot use HSE as clock source with other clock configurations"
59 #endif
60 
61 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSI) && \
62  (IS_ACTIVE(CONFIG_USE_CLOCK_PLL) || IS_ACTIVE(CONFIG_USE_CLOCK_MSI) || \
63  IS_ACTIVE(CONFIG_USE_CLOCK_HSE))
64 #error "Cannot use HSI as clock source with other clock configurations"
65 #endif
66 
67 #ifndef CONFIG_CLOCK_HSE
68 #if defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32L1)
69 #define CONFIG_CLOCK_HSE MHZ(24)
70 #else
71 #define CONFIG_CLOCK_HSE MHZ(8)
72 #endif
73 #endif
74 
75 #ifndef CONFIG_CLOCK_HSI
76 #define CONFIG_CLOCK_HSI MHZ(16)
77 #endif
78 
79 #ifndef CONFIG_CLOCK_MSI
80 #if defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32L1)
81 #define CONFIG_CLOCK_MSI KHZ(4194)
82 #else
83 #define CONFIG_CLOCK_MSI MHZ(48)
84 #endif
85 #endif
86 
87 #ifdef __cplusplus
88 }
89 #endif
90 
kernel_defines.h
Common macros and compiler attributes/pragmas configuration.