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https://gitee.com/moluo-tech/AT-Command
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117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/******************************************************************************
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* @brief ST MCU 通用外设配置
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*
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* Copyright (c) 2019, <morro_luo@163.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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******************************************************************************/
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#include "public.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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/*
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* @brief GPIO配置
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* @return none
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*/
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void gpio_conf(GPIO_TypeDef* GPIOx, GPIOMode_TypeDef Mode, GPIOPuPd_TypeDef PuPd,
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uint32_t Pins)
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{
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GPIO_InitTypeDef config;
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config.GPIO_Pin = Pins;
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config.GPIO_Mode = Mode;
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config.GPIO_OType = GPIO_OType_PP;
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config.GPIO_Speed = GPIO_Speed_50MHz;
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config.GPIO_PuPd = PuPd;
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GPIO_Init(GPIOx, &config);
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}
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/*
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* @brief 中断配置
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* @param[in] - Channel 通道号
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* @param[in] - Priority 优先级
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* @param[in] - SubPriority 次优先级
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* @return none
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*/
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void nvic_conf(int Channel, int Priority, int SubPriority)
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{
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NVIC_InitTypeDef config = {0};
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config.NVIC_IRQChannel = Channel;
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config.NVIC_IRQChannelPreemptionPriority = Priority;
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config.NVIC_IRQChannelSubPriority = SubPriority;
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config.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&config);
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}
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/*
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* @brief 外部中断配置
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* @param[in] - Line 中断号
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* @param[in] - Trigger 触发器(上升沿/下降沿)
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* @return none
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*/
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void exti_conf(uint32_t Line, EXTITrigger_TypeDef Trigger, FunctionalState Cmd)
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{
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EXTI_InitTypeDef config = {0};
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config.EXTI_Line = Line;
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config.EXTI_Mode = EXTI_Mode_Interrupt;
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config.EXTI_Trigger = Trigger;
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config.EXTI_LineCmd = Cmd;
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EXTI_Init(&config);
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EXTI_ClearITPendingBit(Line);
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}
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/*
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* @brief 定时器配置
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* @param[in] - TIMx 定时器
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* @param[in] - hz 计数频率
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* @return none
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*/
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void timer_conf(TIM_TypeDef* TIMx, unsigned int hz)
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{
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TIM_TimeBaseInitTypeDef config = {0};
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float Period;
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RCC_ClocksTypeDef Clocks;
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TIM_DeInit(TIMx);
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RCC_GetClocksFreq(&Clocks);
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/* Time base configuration */
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config.TIM_Prescaler = 1;
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if (TIMx == TIM1 || TIMx == TIM8 || TIMx == TIM9 ||
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TIMx == TIM10|| TIMx == TIM11)
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Period = (float)(Clocks.PCLK2_Frequency / hz + 0.5);
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else
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Period = (float)(Clocks.PCLK1_Frequency / hz + 0.5);
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config.TIM_Period = (uint32_t)Period - 1;
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config.TIM_ClockDivision = 0;
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config.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIMx, &config);
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}
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/*
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* @brief 串口配置
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* @param[in] - port 串口号(USART[1..6])
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* @param[in] - baudrate 波特率
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* @return none
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*/
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void uart_conf(USART_TypeDef *port, int baudrate)
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{
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USART_InitTypeDef config;
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USART_DeInit(port);
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config.USART_BaudRate = baudrate;
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config.USART_WordLength = USART_WordLength_8b;
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config.USART_StopBits = USART_StopBits_1;
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config.USART_Parity = USART_Parity_No;
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config.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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config.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
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USART_Init(port, &config);
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USART_ITConfig(port, USART_IT_RXNE, ENABLE);
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USART_ITConfig(port, USART_IT_ERR, ENABLE);
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USART_Cmd(port, ENABLE);
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}
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