nuttx/boards/arm/stm32wb/nucleo-wb55rg/include/nucleo-wb55rg.h
2022-07-28 15:23:34 +08:00

263 lines
8.5 KiB
C

/****************************************************************************
* boards/arm/stm32wb/nucleo-wb55rg/include/nucleo-wb55rg.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __BOARDS_ARM_STM32WB_NUCLEO_WB55RG_INCLUDE_NUCLEO_WB55RG_H
#define __BOARDS_ARM_STM32WB_NUCLEO_WB55RG_INCLUDE_NUCLEO_WB55RG_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* The Nucleo WB55RG supports both HSE and LSE crystals (X1 and X2). As
* shipped, the HSE is a 32MHz crystal X1. Therefore, the Nucleo WB55RG can
* run off the HSI clock, or the MSI, or the HSE. Here we configure HSE to
* give us 64MHz system clock (maximum supported for STM32WB chips)
*/
/* HSI - 16 MHz RC factory-trimmed
* LSI - 32 KHz RC
* MSI - variable up to 48 MHz, synchronized to LSE
* HSE - 32 MHz installed
* LSE - 32.768 kHz installed
* HSI48 - 48 MHz fine-granularity trimmable RC with CRS
*/
#define STM32WB_HSI_FREQUENCY 16000000ul
#define STM32WB_LSI_FREQUENCY 32000
#define STM32WB_LSE_FREQUENCY 32768
#define STM32WB_HSE_FREQUENCY 32000000ul
/* XXX there needs to be independent selections for the System Clock Mux and
* the PLL Source Mux; currently System Clock Mux always is PLL, and PLL
* Source Mux is chosen by the following define. This is probably OK in many
* cases, but should be separated to support other power configurations.
*/
#if 0
# define HSI_CLOCK_CONFIG 1 /* HSI clock configuration */
#elif 1
# define HSE_CLOCK_CONFIG 1 /* HSE with 32MHz xtal */
#else
# define MSI_CLOCK_CONFIG 1 /* MSI @ 4MHz autotrimmed via LSE */
#endif
#if 0
# define STM32WB_BOARD_RFWKP_USEHSE 1 /* CPU2 use HSE/1024 on RF wakeup */
#elif 1
# define STM32WB_BOARD_RFWKP_USELSE 1 /* CPU2 use LSE on RF wakeup */
#endif
#if defined(HSI_CLOCK_CONFIG)
#define STM32WB_BOARD_USEHSI 1
#define STM32WB_SYSCLK_FREQUENCY 64000000ul
/* Prescaler common to all PLL inputs; will be 1 */
#define STM32WB_PLLCFG_PLLM RCC_PLLCFG_PLLM(1)
/* 'main' PLL config; we use this to generate our system clock via the R
* output. We set it up as (((16MHz / 1) * 8) / 2) = 64MHz
*/
#define STM32WB_PLLCFG_PLLN RCC_PLLCFG_PLLN(8)
#define STM32WB_PLLCFG_PLLR_ENABLED
#define STM32WB_PLLCFG_PLLR RCC_PLLCFG_PLLR(2)
/* 'SAIPLL1' is not used */
#define STM32WB_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(8)
/* CLK48 will come from HSI48 */
#define STM32WB_USE_CLK48 1
#define STM32WB_CLK48_SEL RCC_CCIPR_CLK48SEL_HSI48
#define STM32WB_HSI48_SYNCSRC SYNCSRC_LSE
/* Enable LSE oscillator, used automatically trim the HSI48, and for RTC */
#define STM32WB_USE_LSE 1
#elif defined(HSE_CLOCK_CONFIG)
/* Use the HSE */
#define STM32WB_BOARD_USEHSE 1
#define STM32WB_SYSCLK_FREQUENCY 64000000ul
/* Prescaler common to all PLL inputs; will be 2 */
#define STM32WB_PLLCFG_PLLM RCC_PLLCFG_PLLM(2)
/* 'main' PLL config; we use this to generate our system clock via the R
* output. We set it up as (((32MHz / 2) * 12) / 3) = 64MHz
* And the Q output is set as (((32MHz / 2) * 12) / 4) = 48MHz
*/
#define STM32WB_PLLCFG_PLLN RCC_PLLCFG_PLLN(12)
#define STM32WB_PLLCFG_PLLR_ENABLED
#define STM32WB_PLLCFG_PLLR RCC_PLLCFG_PLLR(3)
#define STM32WB_PLLCFG_PLLQ_ENABLED
#define STM32WB_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(4)
/* 'SAIPLL1' is not used */
#define STM32WB_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(8)
/* CLK48 will come from the PLLMAIN via the Q output */
#define STM32WB_USE_CLK48 1
#define STM32WB_CLK48_SEL RCC_CCIPR_CLK48SEL_PLLMAIN
#define STM32WB_HSI48_SYNCSRC SYNCSRC_NONE
/* Enable LSE (for the RTC) */
#define STM32WB_USE_LSE 1
#elif defined(MSI_CLOCK_CONFIG)
/* Use the MSI */
#define STM32WB_BOARD_USEMSI 1
#define STM32WB_BOARD_MSIRANGE RCC_CR_MSIRANGE_4M
#define STM32WB_SYSCLK_FREQUENCY 64000000ul
/* Prescaler common to all PLL inputs; will be 1 */
#define STM32WB_PLLCFG_PLLM RCC_PLLCFG_PLLM(1)
/* 'main' PLL config; we use this to generate our system clock via the R
* output. We set it up as (((4MHz / 1) * 48) / 3) = 64MHz
* And the Q output is set as (((4MHz / 1) * 48) / 4) = 48MHz
*/
#define STM32WB_PLLCFG_PLLN RCC_PLLCFG_PLLN(48)
#define STM32WB_PLLCFG_PLLR_ENABLED
#define STM32WB_PLLCFG_PLLR RCC_PLLCFG_PLLR(3)
#define STM32WB_PLLCFG_PLLQ_ENABLED
#define STM32WB_PLLCFG_PLLQ RCC_PLLCFG_PLLQ(4)
/* 'SAIPLL1' is not used */
#define STM32WB_PLLSAI1CFG_PLLN RCC_PLLSAI1CFG_PLLN(8)
/* CLK48 will come from the PLLMAIN via the Q output */
#define STM32WB_USE_CLK48 1
#define STM32WB_CLK48_SEL RCC_CCIPR_CLK48SEL_PLLMAIN
#define STM32WB_HSI48_SYNCSRC SYNCSRC_NONE
/* Enable the LSE oscillator, used automatically trim the MSI, and for RTC */
#define STM32WB_USE_LSE 1
#endif
/* AHB clock (HCLK) is SYSCLK (64MHz) */
#define BOARD_AHB_FREQUENCY STM32WB_SYSCLK_FREQUENCY
#define STM32WB_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK
#define STM32WB_HCLK_FREQUENCY STM32WB_SYSCLK_FREQUENCY
/* CPU2 clock (HCLK2) is SYSCLK/2 (32MHz) */
#define STM32WB_RCC_EXTCFGR_C2HPRE RCC_EXTCFGR_C2HPRE_2
/* AHB4 clock (HCLK4) is SYSCLK (64MHz) */
#define STM32WB_RCC_EXTCFGR_SHDHPRE RCC_EXTCFGR_SHDHPRE_1
/* APB1 clock (PCLK1) is HCLK/1 (64MHz) */
#define STM32WB_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLK1
#define STM32WB_PCLK1_FREQUENCY (STM32WB_HCLK_FREQUENCY / 1)
/* APB2 clock (PCLK2) is HCLK/1 (64MHz) */
#define STM32WB_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK1
#define STM32WB_PCLK2_FREQUENCY (STM32WB_HCLK_FREQUENCY / 1)
/* Timer Frequencies, if APB prescaler is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,16,17 are on APB2, TIM2 is on APB1
*/
/* Timers driven from APB1 will be the same frequency as PCLK1 */
#define STM32WB_APB1_TIM2_CLKIN (1 * STM32WB_PCLK1_FREQUENCY)
/* Timers driven from APB2 will be the same frequency as PCLK2 */
#define STM32WB_APB2_TIM1_CLKIN (1 * STM32WB_PCLK2_FREQUENCY)
#define STM32WB_APB2_TIM16_CLKIN (1 * STM32WB_PCLK2_FREQUENCY)
#define STM32WB_APB2_TIM17_CLKIN (1 * STM32WB_PCLK2_FREQUENCY)
#define BOARD_TIM1_FREQUENCY STM32WB_APB2_TIM1_CLKIN
#define BOARD_TIM2_FREQUENCY STM32WB_APB1_TIM2_CLKIN
#define BOARD_TIM16_FREQUENCY STM32WB_APB2_TIM16_CLKIN
#define BOARD_TIM17_FREQUENCY STM32WB_APB2_TIM17_CLKIN
/* Higher SYSCLK reguires more flash wait states. */
#define BOARD_FLASH_WAITSTATES 3
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_STM32WB_NUCLEO_WB55RG_INCLUDE_NUCLEO_WB55RG_H */