first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
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+/********************************** (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
+ Timer synchronization mode:
+ TIM1_CH1(PA8)
+ This example demonstrates 4 timer synchronization modes.
+
+*/
+
+#include "debug.h"
+
+/*********************************************************************
+ * @fn      TIM_TimSynchroMode1_Init
+ *
+ * @brief   Using TIM2 as prescaler for TIM1.
+ *
+ * @return  none
+ */
+void TIM_TimSynchroMode1_Init(void)
+{
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
+
+    TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
+    TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
+    TIM_SetAutoreload(TIM1, 0x3E8);
+    TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
+    TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Update);
+    TIM_ITRxExternalClockConfig(TIM2, TIM_TS_ITR0);
+    TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_External1);
+
+    TIM_Cmd(TIM1, ENABLE);
+    TIM_Cmd(TIM2, ENABLE);
+}
+
+/*********************************************************************
+ * @fn      TIM_TimSynchroMode2_Init
+ *
+ * @brief   Using TIM2 to use TIM1.
+ *
+ * @return  none
+ */
+void TIM_TimSynchroMode2_Init(void)
+{
+    TIM_OCInitTypeDef TIM_OCInitStructure = {0};
+
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
+
+    TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
+    TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
+    TIM_SetAutoreload(TIM1, 0x3E8);
+    TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
+
+    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
+    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
+    TIM_OCInitStructure.TIM_Pulse = 0x64;
+    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
+    TIM_OC1Init(TIM1, &TIM_OCInitStructure);
+
+    TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_OC1Ref);
+    TIM_SelectInputTrigger(TIM2, TIM_TS_ITR0);
+    TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_Gated);
+
+    TIM_Cmd(TIM2, ENABLE);
+    TIM_Cmd(TIM1, ENABLE);
+}
+
+/*********************************************************************
+ * @fn      TIM_TimSynchroMode3_Init
+ *
+ * @brief   Using TIM2 to start TIM1.
+ *
+ * @return  none
+ */
+void TIM_TimSynchroMode3_Init(void)
+{
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
+
+    TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
+    TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
+    TIM_SetAutoreload(TIM1, 0xFFFF);
+    TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
+    TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Update);
+    TIM_SelectInputTrigger(TIM2, TIM_TS_ITR0);
+    TIM_SelectSlaveMode(TIM2, TIM_SlaveMode_Trigger);
+    TIM_Cmd(TIM1, ENABLE);
+}
+
+/*********************************************************************
+ * @fn      TIM_TimSynchroMode4_Init
+ *
+ * @brief   Starting TIM1 and TIM2 synchronously in response to an external trigger.
+ *
+ * @return  none
+ */
+void TIM_TimSynchroMode4_Init(void)
+{
+    GPIO_InitTypeDef  GPIO_InitStructure = {0};
+    TIM_ICInitTypeDef TIM_ICInitStructure = {0};
+
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_TIM1, ENABLE);
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
+
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD;
+    GPIO_Init(GPIOA, &GPIO_InitStructure);
+    GPIO_ResetBits(GPIOA, GPIO_Pin_8);
+
+    TIM_CounterModeConfig(TIM1, TIM_CounterMode_Up);
+    TIM_CounterModeConfig(TIM2, TIM_CounterMode_Up);
+    TIM_SetAutoreload(TIM1, 0xFFFF);
+    TIM_PrescalerConfig(TIM1, 48000 - 1, TIM_PSCReloadMode_Immediate);
+
+    TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
+    TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
+    TIM_ICInitStructure.TIM_ICFilter = 0x00;
+    TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Falling;
+    TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_DirectTI;
+    TIM_ICInit(TIM1, &TIM_ICInitStructure);
+
+    TIM_SelectInputTrigger(TIM1, TIM_TS_TI1FP1);
+    TIM_SelectSlaveMode(TIM1, TIM_SlaveMode_Trigger);
+    TIM_SelectMasterSlaveMode(TIM1, TIM_MasterSlaveMode_Enable);
+    TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Enable);
+    TIM_SelectInputTrigger(TIM2, TIM_TS_ITR0);
+    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);
+
+    /* Timer synchronization Mode Selection */
+    TIM_TimSynchroMode1_Init();
+    //	TIM_TimSynchroMode2_Init();
+    //	TIM_TimSynchroMode3_Init();
+    //	TIM_TimSynchroMode4_Init();
+
+    while(1)
+    {
+        printf("TIM1 cnt:%d\r\n", TIM1->CNT);
+        printf("TIM2 cnt:%d\r\n", TIM2->CNT);
+    }
+}