first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,94 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : main.c
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2021/06/06
+ * Description        : Main program body.
+*********************************************************************************
+* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+* Attention: This software (modified or not) and binary are used for 
+* microcontroller manufactured by Nanjing Qinheng Microelectronics.
+*******************************************************************************/
+
+/*
+ *@Note
+ Single pulse output routine:
+ TIM2_CH1(PA0),TIM2_CH2(PA1)
+ This routine demonstrates that in single-pulse mode, when a rising edge is detected
+ on the TIM2_CH2(PA1) pin, the TIM2_CH1(PA0) outputs positive pulse.
+ 
+*/
+#include "debug.h"
+
+/*********************************************************************
+ * @fn      One_Pulse_Init
+ *
+ * @brief   Initializes TIM1 one pulse.
+ *
+ * @param   arr - the period value.
+ *          psc - the prescaler value.
+ *          ccp - the pulse value.
+ *
+ * @return  none
+ */
+void One_Pulse_Init(u16 arr, u16 psc, u16 ccp)
+{
+	GPIO_InitTypeDef GPIO_InitStructure={0};
+	TIM_OCInitTypeDef TIM_OCInitStructure={0};
+	TIM_ICInitTypeDef TIM_ICInitStructure={0};
+	TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
+
+	RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA, ENABLE );
+	RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM2, ENABLE );
+
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+	GPIO_Init( GPIOA, &GPIO_InitStructure );
+
+	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
+	GPIO_Init( GPIOA, &GPIO_InitStructure);
+
+	TIM_TimeBaseInitStructure.TIM_Period = arr;
+	TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
+	TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
+	TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
+	TIM_TimeBaseInit( TIM2, &TIM_TimeBaseInitStructure);
+	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
+	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
+	TIM_OCInitStructure.TIM_Pulse = ccp;
+	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
+	TIM_OC1Init( TIM2, &TIM_OCInitStructure );
+
+	TIM_ICStructInit( &TIM_ICInitStructure );
+	TIM_ICInitStructure.TIM_Channel = TIM_Channel_2;
+	TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
+	TIM_ICInitStructure.TIM_ICFilter = 0x00;
+	TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
+	TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
+
+	TIM_ICInit( TIM2, &TIM_ICInitStructure );
+	TIM_SelectOnePulseMode( TIM2,TIM_OPMode_Single );
+	TIM_SelectInputTrigger( TIM2, TIM_TS_TI2FP2 );
+	TIM_SelectSlaveMode( TIM2, TIM_SlaveMode_Trigger );
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+	USART_Printf_Init(115200);
+	printf("SystemClk:%d\r\n",SystemCoreClock);
+
+	One_Pulse_Init( 200, 48000-1, 100 );
+
+	while(1);
+}
+
+