cpu_common.h

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/*
 * Copyright (C) 2016 Freie Universität Berlin
 *               2017 OTA keys S.A.
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef PERIPH_CPU_COMMON_H
#define PERIPH_CPU_COMMON_H
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef Doxygen
#define STM32_BOOTLOADER_ADDR
#endif
 
#define CPUID_LEN           (12U)
 
#ifndef CPUID_ADDR
#define CPUID_ADDR          (UID_BASE)
#endif
 
#if defined(CPU_FAM_STM32F0) || defined (CPU_FAM_STM32F1) || \
    defined(CPU_FAM_STM32F3)
#define CLOCK_LSI           (40000U)
#elif defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32L1)
#define CLOCK_LSI           (37000U)
#elif defined(CPU_FAM_STM32F2) || defined(CPU_FAM_STM32F4) || \
      defined(CPU_FAM_STM32F7) || defined(CPU_FAM_STM32L4) || \
      defined(CPU_FAM_STM32WB) || defined(CPU_FAM_STM32G4) || \
      defined(CPU_FAM_STM32G0) || defined(CPU_FAM_STM32L5) || \
      defined(CPU_FAM_STM32U5) || defined(CPU_FAM_STM32MP1) || \
      defined(CPU_FAM_STM32WL) || defined(CPU_FAM_STM32C0)
#define CLOCK_LSI           (32000U)
#else
#error "error: LSI clock speed not defined for your target CPU"
#endif
 
typedef enum {
    APB1,           
    APB2,           
#if defined(CPU_FAM_STM32WL) || defined(CPU_FAM_STM32U5)
    APB3,
#endif
#if defined(CPU_FAM_STM32L4) || defined(CPU_FAM_STM32WB) || \
    defined(CPU_FAM_STM32G4) || defined(CPU_FAM_STM32G0) || \
    defined(CPU_FAM_STM32L5) || defined(CPU_FAM_STM32U5) || \
    defined(CPU_FAM_STM32WL) || defined(CPU_FAM_STM32C0)
    APB12,          
#endif
#if defined(CPU_FAM_STM32L0) || defined(CPU_FAM_STM32G0) || \
    defined(CPU_FAM_STM32C0)
    AHB,            
    IOP,            
#elif defined(CPU_FAM_STM32L1) || defined(CPU_FAM_STM32F1) || \
      defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F3)
    AHB,            
#elif defined(CPU_FAM_STM32F2) || defined(CPU_FAM_STM32F4) || \
      defined(CPU_FAM_STM32L4) || defined(CPU_FAM_STM32F7) || \
      defined(CPU_FAM_STM32WB) || defined(CPU_FAM_STM32G4) || \
      defined(CPU_FAM_STM32L5) || defined(CPU_FAM_STM32U5) || \
      defined(CPU_FAM_STM32WL)
    AHB1,           
    AHB2,           
#if defined(CPU_FAM_STM32U5)
    AHB22,          
#endif
    AHB3,           
#elif defined(CPU_FAM_STM32MP1)
    AHB1,           
    AHB2,           
    AHB3,           
#else
#warning "unsupported stm32XX family"
#endif
#if defined(CPU_FAM_STM32WB) || defined(CPU_FAM_STM32MP1)
    AHB4,           
#endif
} bus_t;
 
uint32_t periph_apb_clk(bus_t bus);
 
uint32_t periph_timer_clk(bus_t bus);
 
void periph_clk_en(bus_t bus, uint32_t mask);
 
void periph_clk_dis(bus_t bus, uint32_t mask);
 
void periph_lpclk_en(bus_t bus, uint32_t mask);
 
void periph_lpclk_dis(bus_t bus, uint32_t mask);
 
#ifdef __cplusplus
}
#endif
 
#endif /* PERIPH_CPU_COMMON_H */