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nuttx/boards/arm/stm32/nucleo-f334r8/include/board.h
Huang Qi e09048cc88 style: Fix "is is" typo across the codebase. 
Correct duplicate "is is" word found in 181 files throughout the
codebase.
In most cases "is is" was changed to "is", but in contexts like
"MCU is is sleep mode" it was corrected to "MCU in sleep mode".

Also fixes a "the the" typo in net/inet/inet_sockif.c.

This is a pure style/documentation fix that improves code readability.

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
2026-03-24 09:39:26 +08:00

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/****************************************************************************
* boards/arm/stm32/nucleo-f334r8/include/board.h
*
* SPDX-License-Identifier: Apache-2.0
*
* 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_STM32_NUCLEO_F334R8_INCLUDE_BOARD_H
#define __BOARDS_ARM_STM32_NUCLEO_F334R8_INCLUDE_BOARD_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifndef __ASSEMBLY__
# include <stdint.h>
# include <stdbool.h>
#endif
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Clocking *****************************************************************/
/* HSI - Internal 8 MHz RC Oscillator
* LSI - 32 KHz RC
* HSE - 8 MHz from MCO output of ST-LINK
* LSE - 32.768 kHz
*/
#define STM32_BOARD_XTAL 8000000ul
#define STM32_HSI_FREQUENCY 8000000ul
#define STM32_LSI_FREQUENCY 32000 /* Between 30kHz and 60kHz */
#define STM32_HSE_FREQUENCY STM32_BOARD_XTAL
#define STM32_LSE_FREQUENCY 32768 /* X2 on board */
/* PLL source is HSE/1, PLL multiplier is 9: PLL frequency is
* 8MHz (XTAL) x 9 = 72MHz
*/
#define STM32_CFGR_PLLSRC RCC_CFGR_PLLSRC
#define STM32_CFGR_PLLXTPRE 0
#define STM32_CFGR_PLLMUL RCC_CFGR_PLLMUL_CLKx9
#define STM32_PLL_FREQUENCY (9*STM32_BOARD_XTAL)
/* Use the PLL and set the SYSCLK source to be the PLL */
#define STM32_SYSCLK_SW RCC_CFGR_SW_PLL
#define STM32_SYSCLK_SWS RCC_CFGR_SWS_PLL
#define STM32_SYSCLK_FREQUENCY STM32_PLL_FREQUENCY
/* AHB clock (HCLK) is SYSCLK (72MHz) */
#define STM32_RCC_CFGR_HPRE RCC_CFGR_HPRE_SYSCLK
#define STM32_HCLK_FREQUENCY STM32_SYSCLK_FREQUENCY
/* APB2 clock (PCLK2) is HCLK (72MHz) */
#define STM32_RCC_CFGR_PPRE2 RCC_CFGR_PPRE2_HCLK
#define STM32_PCLK2_FREQUENCY STM32_HCLK_FREQUENCY
#define STM32_APB2_CLKIN (STM32_PCLK2_FREQUENCY)
/* APB2 timers 1, 8, 15-17 and HRTIM1 will receive PCLK2. */
/* Timers driven from APB2 will be PCLK2 */
#define STM32_APB2_TIM1_CLKIN (STM32_PCLK2_FREQUENCY)
#define STM32_APB2_TIM8_CLKIN (STM32_PCLK2_FREQUENCY)
#define STM32_APB1_TIM15_CLKIN (STM32_PCLK2_FREQUENCY)
#define STM32_APB1_TIM16_CLKIN (STM32_PCLK2_FREQUENCY)
#define STM32_APB1_TIM17_CLKIN (STM32_PCLK2_FREQUENCY)
#define STM32_APB1_THRTIM1_CLKIN (STM32_PCLK2_FREQUENCY)
/* APB1 clock (PCLK1) is HCLK/2 (36MHz) */
#define STM32_RCC_CFGR_PPRE1 RCC_CFGR_PPRE1_HCLKd2
#define STM32_PCLK1_FREQUENCY (STM32_HCLK_FREQUENCY/2)
/* APB1 timers 2-7 will be twice PCLK1 */
#define STM32_APB1_TIM2_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM3_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM6_CLKIN (2*STM32_PCLK1_FREQUENCY)
#define STM32_APB1_TIM7_CLKIN (2*STM32_PCLK1_FREQUENCY)
/* Timer Frequencies, if APBx is set to 1, frequency is same to APBx
* otherwise frequency is 2xAPBx.
* Note: TIM1,8 are on APB2, others on APB1
*/
#define BOARD_TIM1_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM15_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM16_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM17_FREQUENCY STM32_HCLK_FREQUENCY
#define BOARD_TIM2_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM3_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM5_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM6_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_TIM7_FREQUENCY (STM32_HCLK_FREQUENCY / 2)
#define BOARD_HRTIM1_FREQUENCY STM32_HCLK_FREQUENCY
/* LED definitions **********************************************************/
/* The Nucleo F334R8 board has three LEDs. Two of these are controlled by
* logic on the board and are not available for software control:
*
* LD1 COM: LD1 default status is red. LD1 turns to green to indicate that
* communications are in progress between the PC and the
* ST-LINK/V2-1.
* LD3 PWR: red LED indicates that the board is powered.
*
* And one can be controlled by software:
*
* User LD2: green LED is a user LED connected to the I/O PA5 of the
* STM32F334R8.
*
* If CONFIG_ARCH_LEDS is not defined, then the user can control the LED in
* any way. The following definition is used to access the LED.
*/
/* LED index values for use with board_userled() */
#define BOARD_LED1 0 /* User LD2 */
#define BOARD_NLEDS 1
/* LED bits for use with board_userled_all() */
#define BOARD_LED1_BIT (1 << BOARD_LED1)
/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
* the Nucleo F334R8. The following definitions describe how NuttX controls
* the LED:
*
* SYMBOL Meaning LED1 state
* ------------------ ----------------------- ----------
* LED_STARTED NuttX has been started OFF
* LED_HEAPALLOCATE Heap has been allocated OFF
* LED_IRQSENABLED Interrupts enabled OFF
* LED_STACKCREATED Idle stack created ON
* LED_INIRQ In an interrupt No change
* LED_SIGNAL In a signal handler No change
* LED_ASSERTION An assertion failed No change
* LED_PANIC The system has crashed Blinking
* LED_IDLE STM32 is in sleep mode Not used
*/
#define LED_STARTED 0
#define LED_HEAPALLOCATE 0
#define LED_IRQSENABLED 0
#define LED_STACKCREATED 1
#define LED_INIRQ 2
#define LED_SIGNAL 2
#define LED_ASSERTION 2
#define LED_PANIC 1
/* Button definitions *******************************************************/
/* The Nucleo F334R8 supports two buttons; only one button is controllable
* by software:
*
* B1 USER: user button connected to the I/O PC13 of the STM32F334R8.
* B2 RESET: push button connected to NRST is used to RESET the
* STM32F334R8.
*/
#define BUTTON_USER 0
#define NUM_BUTTONS 1
#define BUTTON_USER_BIT (1 << BUTTON_USER)
/* Alternate function pin selections ****************************************/
/* CAN */
#define GPIO_CAN1_RX GPIO_CAN_RX_2
#define GPIO_CAN1_TX GPIO_CAN_TX_2
/* I2C */
#define GPIO_I2C1_SCL GPIO_I2C1_SCL_3
#define GPIO_I2C1_SDA GPIO_I2C1_SDA_3
/* SPI */
#define GPIO_SPI1_MISO GPIO_SPI1_MISO_1
#define GPIO_SPI1_MOSI GPIO_SPI1_MOSI_1
#define GPIO_SPI1_SCK GPIO_SPI1_SCK_1
/* TIM */
#define GPIO_TIM2_CH2OUT GPIO_TIM2_CH2OUT_2
#define GPIO_TIM2_CH3OUT GPIO_TIM2_CH3OUT_3
#define GPIO_TIM3_CH1OUT GPIO_TIM3_CH1OUT_2
#define GPIO_TIM3_CH2OUT GPIO_TIM3_CH2OUT_4
#define GPIO_TIM4_CH1OUT GPIO_TIM4_CH1OUT_2
/* USART */
/* By default the USART2 is connected to STLINK Virtual COM Port:
* USART2_RX - PA3
* USART2_TX - PA2
*/
#define GPIO_USART2_RX GPIO_USART2_RX_1 /* PA3 */
#define GPIO_USART2_TX GPIO_USART2_TX_1 /* PA2 */
#define GPIO_USART1_RX GPIO_USART1_RX_1 /* PA10 */
#define GPIO_USART1_TX GPIO_USART1_TX_1 /* PA9 */
/* COMP */
/* OPAMP */
#define OPAMP2_VMSEL OPAMP2_VMSEL_PC5
#define OPAMP2_VPSEL OPAMP2_VPSEL_PB14
/* Configuration specific to high priority interrupts example:
* - HRTIM Timer A trigger for ADC if DMA transfer and HRTIM
* - TIM1 CC1 trigger for ADC if DMA transfer and TIM1 PWM
* - ADC DMA transfer on DMA1_CH1
*/
#ifdef CONFIG_NUCLEOF334R8_HIGHPRI
#if defined(CONFIG_STM32_HRTIM1) && defined(CONFIG_STM32_ADC1_DMA)
/* HRTIM - ADC trigger */
#define HRTIM_TIMA_PRESCALER HRTIM_PRESCALER_128
#define HRTIM_TIMA_MODE HRTIM_MODE_CONT
#define HRTIM_TIMA_UPDATE 0
#define HRTIM_TIMA_RESET 0
#define HRTIM_ADC_TRG1 HRTIM_ADCTRG13_APER
#endif /* CONFIG_STM32_HRTIM1 && CONFIG_STM32_ADC1_DMA*/
#endif /* CONFIG_NUCLEOF334R8_HIGHPRI */
#ifdef CONFIG_NUCLEOF334R8_SPWM
# ifdef CONFIG_NUCLEOF334R8_SPWM_USE_TIM1
/* TIM1 PWM configuration ***************************************************/
# define GPIO_TIM1_CH1OUT GPIO_TIM1_CH1OUT_1 /* TIM1 CH1 - PA8 */
# define GPIO_TIM1_CH1NOUT GPIO_TIM1_CH1N_3 /* TIM1 CH1N - PA7 */
/* TIM1 CH2 - PA9 */
# define GPIO_TIM1_CH2NOUT GPIO_TIM1_CH2N_2 /* TIM1 CH2N - PB0 */
# define GPIO_TIM1_CH3OUT GPIO_TIM1_CH3OUT_1 /* TIM1 CH3 - PA10 */
# define GPIO_TIM1_CH3NOUT GPIO_TIM1_CH3N_2 /* TIM1 CH3N - PB1 */
# define GPIO_TIM1_CH4OUT GPIO_TIM1_CH4OUT_1 /* TIM1 CH4 - PA11 */
# endif
# ifdef CONFIG_NUCLEOF334R8_SPWM_USE_HRTIM1
/* HRTIM configuration ******************************************************/
# define HRTIM_MASTER_PRESCALER HRTIM_PRESCALER_128
# define HRTIM_MASTER_MODE HRTIM_MODE_CONT
# define HRTIM_TIMA_PRESCALER HRTIM_PRESCALER_128
# define HRTIM_TIMA_MODE (HRTIM_MODE_CONT | HRTIM_MODE_PRELOAD)
# define HRTIM_TIMA_CH1_SET HRTIM_OUT_SET_PER
# define HRTIM_TIMA_CH1_RST HRTIM_OUT_RST_CMP1
# define HRTIM_TIMA_UPDATE HRTIM_UPDATE_MSTU
# define HRTIM_TIMA_RESET 0
# define HRTIM_TIMB_PRESCALER HRTIM_PRESCALER_128
# define HRTIM_TIMB_MODE (HRTIM_MODE_CONT | HRTIM_MODE_PRELOAD)
# define HRTIM_TIMB_CH1_SET HRTIM_OUT_SET_PER
# define HRTIM_TIMB_CH1_RST HRTIM_OUT_RST_CMP1
# define HRTIM_TIMB_UPDATE HRTIM_UPDATE_MSTU
# define HRTIM_TIMB_RESET 0
# define HRTIM_TIMC_PRESCALER HRTIM_PRESCALER_128
# define HRTIM_TIMC_MODE (HRTIM_MODE_CONT | HRTIM_MODE_PRELOAD)
# define HRTIM_TIMC_CH1_SET HRTIM_OUT_SET_PER
# define HRTIM_TIMC_CH1_RST HRTIM_OUT_RST_CMP1
# define HRTIM_TIMC_UPDATE HRTIM_UPDATE_MSTU
# define HRTIM_TIMC_RESET 0
# define HRTIM_TIMD_PRESCALER HRTIM_PRESCALER_128
# define HRTIM_TIMD_MODE (HRTIM_MODE_CONT | HRTIM_MODE_PRELOAD)
# define HRTIM_TIMD_CH1_SET HRTIM_OUT_SET_PER
# define HRTIM_TIMD_CH1_RST HRTIM_OUT_RST_CMP1
# define HRTIM_TIMD_UPDATE HRTIM_UPDATE_MSTU
# define HRTIM_TIMD_RESET 0
# define HRTIM_TIME_PRESCALER HRTIM_PRESCALER_128
# define HRTIM_TIME_MODE (HRTIM_MODE_CONT | HRTIM_MODE_PRELOAD)
# define HRTIM_TIME_CH1_SET HRTIM_OUT_SET_PER
# define HRTIM_TIME_CH1_RST HRTIM_OUT_RST_CMP1
# define HRTIM_TIME_UPDATE HRTIM_UPDATE_MSTU
# define HRTIM_TIME_RESET 0
# define HRTIM_MASTER_IRQ HRTIM_IRQ_MCMP1
# endif
#endif /* CONFIG_NUCLEOF334R8_SPWM */
/* DMA channels *************************************************************/
/* ADC */
#define ADC1_DMA_CHAN DMACHAN_ADC1 /* DMA1_CH1 */
#endif /* __BOARDS_ARM_STM32_NUCLEO_F334R8_INCLUDE_BOARD_H */
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