From a971ce7e43700c2639b1ef91b4e4216e666ff26f Mon Sep 17 00:00:00 2001 From: gituser <1602304677@qq.com> Date: Wed, 27 May 2020 00:37:21 +0800 Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20'USER/Led/Led.c'?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 添加系统控制指示灯时钟初始化 --- USER/Led/Led.c | 46 +++++++++++++++++++++++----------------------- 1 file changed, 23 insertions(+), 23 deletions(-) diff --git a/USER/Led/Led.c b/USER/Led/Led.c index c35648e..399e8a4 100644 --- a/USER/Led/Led.c +++ b/USER/Led/Led.c @@ -1,37 +1,37 @@ #include "Led.h" /**------------------------------------------------------- - * @ LED_GPIO_INIT - * @ LED GPIOʼ - * @ֵ + * @函数名 LED_GPIO_INIT + * @功能 LED GPIO初始化 + * @返回值 无 ***------------------------------------------------------*/ void LED_GPIO_INIT(void){ GPIO_InitTypeDef GPIO_InitStructure; - /* ʹLEDӦGPIOʱ */ - RCC_APB2PeriphClockCmd(LED_CLOCK, ENABLE); //ʹܶӦ˿ʱ + /* 使能LED对应GPIO的时钟 */ + RCC_APB2PeriphClockCmd(LED_CLOCK|LED_SYS_CLOCK, ENABLE); //使能对应端口时钟 - /* ʼLEDGPIOܽţΪ */ //ö˿ - GPIO_InitStructure.GPIO_Pin = LED_Pin_ALL; //LED - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //Ϊ(Push-Pull) - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //ٶΪ50MHz - GPIO_Init(LED_PORT, &GPIO_InitStructure); //GPIOʼ - GPIO_SetBits(LED_PORT,LED_Pin_ALL); //ledȫ + /* 初始化LED的GPIO管脚，配置为推挽输出 */ //设置端口 + GPIO_InitStructure.GPIO_Pin = LED_Pin_ALL; //LED所有引脚 + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //设置为推挽(Push-Pull)输出 + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //最大输出速度为50MHz + GPIO_Init(LED_PORT, &GPIO_InitStructure); //调用GPIO初始化函数 + GPIO_SetBits(LED_PORT,LED_Pin_ALL); //led全灭 - /* ʼLEDGPIOܽţΪ */ //ö˿ - GPIO_InitStructure.GPIO_Pin = LED_SYS_Pin; //LED - GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //Ϊ(Push-Pull) - GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //ٶΪ50MHz - GPIO_Init(LED_SYS_PORT, &GPIO_InitStructure); //GPIOʼ - GPIO_ResetBits(LED_SYS_PORT,LED_SYS_Pin); //ϵͳָʾ + /* 初始化LED的GPIO管脚，配置为推挽输出 */ //设置端口 + GPIO_InitStructure.GPIO_Pin = LED_SYS_Pin; //LED所有引脚 + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //设置为推挽(Push-Pull)输出 + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //最大输出速度为50MHz + GPIO_Init(LED_SYS_PORT, &GPIO_InitStructure); //调用GPIO初始化函数 + GPIO_ResetBits(LED_SYS_PORT,LED_SYS_Pin); //点亮系统指示灯 } /**------------------------------------------------------- - * @ LED_ON - * @ ָLED LED0123 - * @ֵ + * @函数名 LED_ON + * @功能 点亮指定LED LED0，1，2，3 + * @返回值 无 ***------------------------------------------------------*/ void LED_ON(u8 n){ uint16_t GPIO_PIN_LIST[]={LED2_Pin,LED3_Pin,LED4_Pin,LED5_Pin}; @@ -45,9 +45,9 @@ void LED_ON(u8 n){ } /**------------------------------------------------------- - * @ LED_OFF - * @ رLED - * @ֵ + * @函数名 LED_OFF + * @功能 关闭所有LED + * @返回值 无 ***------------------------------------------------------*/ void LED_OFF(void){ uint16_t GPIO_PIN_LIST[]={LED2_Pin,LED3_Pin,LED4_Pin,LED5_Pin};