cfg_clock_default.h
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1 /*
2  * Copyright (C) 2024 BISSELL Homecare, Inc.
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
19 #ifndef CLK_C0_CFG_CLOCK_DEFAULT_H
20 #define CLK_C0_CFG_CLOCK_DEFAULT_H
21 
22 #include "cfg_clock_common_fx_gx_mp1_c0.h"
23 #include "kernel_defines.h"
24 #include "macros/units.h"
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
35 #if IS_ACTIVE(CONFIG_BOARD_HAS_HSE) && (CONFIG_CLOCK_HSE < MHZ(4) || CONFIG_CLOCK_HSE > MHZ(48))
36 #error "HSE clock frequency must be between 4MHz and 48MHz"
37 #endif
38 
39 #ifdef CPU_FAM_STM32C0
40 #ifndef CONFIG_CLOCK_HSISYS_DIV
41 #define CONFIG_CLOCK_HSISYS_DIV (1)
42 #endif
43 #endif
44 
45 #if IS_ACTIVE(CONFIG_USE_CLOCK_HSI)
46 #define CLOCK_CORECLOCK (CONFIG_CLOCK_HSI / CONFIG_CLOCK_HSISYS_DIV)
47 
48 #elif IS_ACTIVE(CONFIG_USE_CLOCK_HSE)
49 #if !IS_ACTIVE(CONFIG_BOARD_HAS_HSE)
50 #error "The board doesn't provide an HSE oscillator"
51 #endif
52 #define CLOCK_CORECLOCK (CONFIG_CLOCK_HSE)
53 
54 #endif
55 
56 #define CLOCK_AHB CLOCK_CORECLOCK /* max: 64MHz (G0), 170MHZ (G4) */
57 
58 #ifndef CONFIG_CLOCK_APB1_DIV
59 #define CONFIG_CLOCK_APB1_DIV (1)
60 #endif
61 #define CLOCK_APB1 (CLOCK_CORECLOCK / CONFIG_CLOCK_APB1_DIV) \
62  /* max: 64MHz (G0), 170MHZ (G4) */
65 #ifdef __cplusplus
66 }
67 #endif
68 
69 #endif /* CLK_C0_CFG_CLOCK_DEFAULT_H */
cfg_clock_common_fx_gx_mp1_c0.h
Base STM32Fx/Gx/MP1/C0 clock configuration.
kernel_defines.h
Common macros and compiler attributes/pragmas configuration.
units.h
Unit helper macros.