cfg_clock_common_lx_u5_wx.h
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1 /*
2  * Copyright (C) 2018 Freie Universität Berlin
3  * 2017 OTA keys S.A.
4  * 2018-2020 Inria
5  *
6  * This file is subject to the terms and conditions of the GNU Lesser
7  * General Public License v2.1. See the file LICENSE in the top level
8  * directory for more details.
9  */
10 
11 #pragma once
12 
25 #include "kernel_defines.h"
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
35 /* Select the desired system clock source between PLL, HSE or HSI */
36 #ifndef CONFIG_USE_CLOCK_PLL
37 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSE) || IS_ACTIVE(CONFIG_USE_CLOCK_HSI) || \
38  IS_ACTIVE(CONFIG_USE_CLOCK_MSI)
39 #define CONFIG_USE_CLOCK_PLL 0
40 #else
41 #define CONFIG_USE_CLOCK_PLL 1 /* Use PLL by default */
42 #endif
43 #endif /* CONFIG_USE_CLOCK_PLL */
46 #if IS_ACTIVE(CONFIG_USE_CLOCK_PLL) && \
47  (IS_ACTIVE(CONFIG_USE_CLOCK_MSI) || IS_ACTIVE(CONFIG_USE_CLOCK_HSE) || \
48  IS_ACTIVE(CONFIG_USE_CLOCK_HSI))
49 #error "Cannot use PLL as clock source with other clock configurations"
50 #endif
51 
52 #if IS_ACTIVE(CONFIG_USE_CLOCK_MSI) && \
53  (IS_ACTIVE(CONFIG_USE_CLOCK_PLL) || IS_ACTIVE(CONFIG_USE_CLOCK_HSE) || \
54  IS_ACTIVE(CONFIG_USE_CLOCK_HSI))
55 #error "Cannot use MSI as clock source with other clock configurations"
56 #endif
57 
58 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSE) && \
59  (IS_ACTIVE(CONFIG_USE_CLOCK_PLL) || IS_ACTIVE(CONFIG_USE_CLOCK_MSI) || \
60  IS_ACTIVE(CONFIG_USE_CLOCK_HSI))
61 #error "Cannot use HSE as clock source with other clock configurations"
62 #endif
63 
64 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSI) && \
65  (IS_ACTIVE(CONFIG_USE_CLOCK_PLL) || IS_ACTIVE(CONFIG_USE_CLOCK_MSI) || \
66  IS_ACTIVE(CONFIG_USE_CLOCK_HSE))
67 #error "Cannot use HSI as clock source with other clock configurations"
68 #endif
69 
70 #ifndef CONFIG_CLOCK_HSE
71 #if defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32L1)
72 #define CONFIG_CLOCK_HSE MHZ(24)
73 #else
74 #define CONFIG_CLOCK_HSE MHZ(8)
75 #endif
76 #endif
77 
78 #ifndef CONFIG_CLOCK_HSI
79 #define CONFIG_CLOCK_HSI MHZ(16)
80 #endif
81 
82 #ifndef CONFIG_CLOCK_MSI
83 #if defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32L1)
84 #define CONFIG_CLOCK_MSI KHZ(4194)
85 #else
86 #define CONFIG_CLOCK_MSI MHZ(48)
87 #endif
88 #endif
89 
90 #ifdef __cplusplus
91 }
92 #endif
93 
kernel_defines.h
Common macros and compiler attributes/pragmas configuration.