STM32F407ZGT6标准库工程模板 445.81KB
m0_63262142文件:STM32F407ZGT6工程模板.rar
资源介绍:
STM32F407ZGT6是一款基于ARM Cortex-M4内核的微控制器,由意法半导体(STMicroelectronics)生产。它广泛应用于嵌入式系统设计,尤其是在物联网、工业控制、消费电子等领域。这款芯片的特点是高性能、低功耗,并集成了浮点运算单元(FPU),支持复杂的数学运算。
工程模板是开发STM32应用的基础,它为开发者提供了一个预先配置好的项目结构,包括必要的头文件、源文件、链接器脚本和编译设置,以便快速搭建开发环境。STM32F407ZGT6的标准库工程模板则是专为这款芯片定制的,遵循了意法半导体官方的HAL(Hardware Abstraction Layer)或LL(Low-Layer)库规范,使开发者能更容易地访问和控制芯片的各种外设。
在提供的工程模板中,包含了以下几个关键知识点:
1. **点灯程序**:这是学习任何微控制器基础的第一步,通过控制GPIO(General Purpose Input/Output)引脚来点亮或熄灭LED灯。STM32F407ZGT6拥有丰富的GPIO接口,模板中的点灯函数展示了如何配置GPIO模式、速度和推挽输出,以及如何写入或读取GPIO状态。
2. **延时函数**:在嵌入式编程中,延时功能用于实现定时或者间隔操作。通常,延时函数是通过循环计数或者使用定时器来实现的。STM32的标准库提供了延时函数,如HAL_Delay,开发者可以调用这些函数在程序中添加精确的延迟。
3. **串口通信**:UART(Universal Asynchronous Receiver/Transmitter)是一种常见的串行通信接口,用于设备间的通信。在工程模板中,串口收发测试部分展示了如何配置STM32的USART(Universal Synchronous/Asynchronous Receiver/Transmitter)外设,进行数据发送和接收,这对于调试和其他通信需求至关重要。
4. **HAL和LL库**:STM32的标准库包括了HAL和LL库,它们提供了抽象层,使得开发者可以不用关心底层硬件细节,更专注于应用程序的编写。HAL库提供了一种面向对象的编程方式,而LL库则更接近硬件,代码效率更高,适合对性能有严格要求的应用。
5. **工程配置**:工程模板中的Makefile或IDE项目设置,预设了正确的编译器选项、链接器脚本和包含路径,确保了代码能正确编译和链接。对于新手,这减少了设置环境的复杂性。
6. **调试支持**:模板可能还包含了调试配置,如JTAG或SWD接口设置,方便使用调试器进行程序的调试和分析。
掌握这些基本功能后,开发者可以在此基础上扩展功能,如添加更多外设驱动、网络协议栈、实时操作系统等,构建复杂的应用系统。STM32F407ZGT6标准库工程模板是一个理想的起点,它帮助开发者快速上手STM32的开发,节省了大量时间,提高了开发效率。
/**
******************************************************************************
* @file stm32f4xx_tim.c
* @author MCD Application Team
* @version V1.4.0
* @date 04-August-2014
* @brief This file provides firmware functions to manage the following
* functionalities of the TIM peripheral:
* + TimeBase management
* + Output Compare management
* + Input Capture management
* + Advanced-control timers (TIM1 and TIM8) specific features
* + Interrupts, DMA and flags management
* + Clocks management
* + Synchronization management
* + Specific interface management
* + Specific remapping management
*
@verbatim
===============================================================================
##### How to use this driver #####
===============================================================================
[..]
This driver provides functions to configure and program the TIM
of all STM32F4xx devices.
These functions are split in 9 groups:
(#) TIM TimeBase management: this group includes all needed functions
to configure the TM Timebase unit:
(++) Set/Get Prescaler
(++) Set/Get Autoreload
(++) Counter modes configuration
(++) Set Clock division
(++) Select the One Pulse mode
(++) Update Request Configuration
(++) Update Disable Configuration
(++) Auto-Preload Configuration
(++) Enable/Disable the counter
(#) TIM Output Compare management: this group includes all needed
functions to configure the Capture/Compare unit used in Output
compare mode:
(++) Configure each channel, independently, in Output Compare mode
(++) Select the output compare modes
(++) Select the Polarities of each channel
(++) Set/Get the Capture/Compare register values
(++) Select the Output Compare Fast mode
(++) Select the Output Compare Forced mode
(++) Output Compare-Preload Configuration
(++) Clear Output Compare Reference
(++) Select the OCREF Clear signal
(++) Enable/Disable the Capture/Compare Channels
(#) TIM Input Capture management: this group includes all needed
functions to configure the Capture/Compare unit used in
Input Capture mode:
(++) Configure each channel in input capture mode
(++) Configure Channel1/2 in PWM Input mode
(++) Set the Input Capture Prescaler
(++) Get the Capture/Compare values
(#) Advanced-control timers (TIM1 and TIM8) specific features
(++) Configures the Break input, dead time, Lock level, the OSSI,
the OSSR State and the AOE(automatic output enable)
(++) Enable/Disable the TIM peripheral Main Outputs
(++) Select the Commutation event
(++) Set/Reset the Capture Compare Preload Control bit
(#) TIM interrupts, DMA and flags management
(++) Enable/Disable interrupt sources
(++) Get flags status
(++) Clear flags/ Pending bits
(++) Enable/Disable DMA requests
(++) Configure DMA burst mode
(++) Select CaptureCompare DMA request
(#) TIM clocks management: this group includes all needed functions
to configure the clock controller unit:
(++) Select internal/External clock
(++) Select the external clock mode: ETR(Mode1/Mode2), TIx or ITRx
(#) TIM synchronization management: this group includes all needed
functions to configure the Synchronization unit:
(++) Select Input Trigger
(++) Select Output Trigger
(++) Select Master Slave Mode
(++) ETR Configuration when used as external trigger
(#) TIM specific interface management, this group includes all
needed functions to use the specific TIM interface:
(++) Encoder Interface Configuration
(++) Select Hall Sensor
(#) TIM specific remapping management includes the Remapping
configuration of specific timers
@endverbatim
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
*
* 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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_tim.h"
#include "stm32f4xx_rcc.h"
/** @addtogroup STM32F4xx_StdPeriph_Driver
* @{
*/
/** @defgroup TIM
* @brief TIM driver modules
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* ---------------------- TIM registers bit mask ------------------------ */
#define SMCR_ETR_MASK ((uint16_t)0x00FF)
#define CCMR_OFFSET ((uint16_t)0x0018)
#define CCER_CCE_SET ((uint16_t)0x0001)
#define CCER_CCNE_SET ((uint16_t)0x0004)
#define CCMR_OC13M_MASK ((uint16_t)0xFF8F)
#define CCMR_OC24M_MASK ((uint16_t)0x8FFF)
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
uint16_t TIM_ICFilter);
static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
uint16_t TIM_ICFilter);
static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
uint16_t TIM_ICFilter);
static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection,
uint16_t TIM_ICFilter);
/* Private functions ---------------------------------------------------------*/
/** @defgroup TIM_Private_Functions
* @{
*/
/** @defgroup TIM_Group1 TimeBase management functions
* @brief TimeBase management functions
*
@verbatim
===============================================================================
##### TimeBase management functions #####
===============================================================================
##### TIM Driver: how to use it in Timing(Time base) Mode #####
===============================================================================
[..]
To use the Timer in Timing(Time base) mode, the following steps are mandatory:
(#) Enable TIM clock using RCC_APBxPeriphClockCmd(RCC_APBxPeriph_TIMx, ENABLE) function
(#) Fill the TIM_TimeBaseInitStruct with the desired parameters.
(#) C 相关资源