VGComBoard_3120_Demo/bsp/board_timer.c

#include "ddl.h"
#include "lpm.h"
#include "lptim.h"
#include "bt.h"
#include "gpio.h"
#include "timer3.h"
#include "multi_button.h"
//volatile uint32_t uart_rx_ticks = 0;

///<Timer1配置初始化
void board_Timer1Cfg(uint16_t u16Period)  //peroid = 2ms
{
    uint16_t                  u16ArrValue;
    uint16_t                  u16CntValue;
    stc_bt_mode0_cfg_t     stcBtBaseCfg;
    
    DDL_ZERO_STRUCT(stcBtBaseCfg);
    
    Sysctrl_SetPeripheralGate(SysctrlPeripheralBaseTim, TRUE); //Base Timer外设时钟使能
    
    stcBtBaseCfg.enWorkMode = BtWorkMode0;                  //定时器模式
    stcBtBaseCfg.enCT       = BtTimer;                      //定时器功能，计数时钟为内部PCLK
    stcBtBaseCfg.enPRS      = BtPCLKDiv2;                 //PCLK/2
    stcBtBaseCfg.enCntMode  = Bt16bitArrMode;               //自动重载16位计数器/定时器
    stcBtBaseCfg.bEnTog     = FALSE;
    stcBtBaseCfg.bEnGate    = FALSE;
    stcBtBaseCfg.enGateP    = BtGatePositive;
    Bt_Mode0_Init(TIM1, &stcBtBaseCfg);                     //TIM1 的模式0功能初始化
    
    u16ArrValue = 0x10000 - u16Period;
    Bt_M0_ARRSet(TIM1, u16ArrValue);                        //设置重载值(ARR = 0x10000 - 周期)
    
    u16CntValue = 0x10000 - u16Period;
    Bt_M0_Cnt16Set(TIM1, u16CntValue);                      //设置计数初值
    
    Bt_ClearIntFlag(TIM1,BtUevIrq);                         //清中断标志   
    Bt_Mode0_EnableIrq(TIM1);                               //使能TIM1中断(模式0时只有一个中断)
    EnableNvic(TIM1_IRQn, IrqLevel1, TRUE);                 //TIM1中断使能
    
    Bt_M0_Run(TIM1);        //TIM1 运行。
}


//Timer3 Port端口配置
void board_Timer3PortCfg(void)
{
    stc_gpio_cfg_t            stcTIM3Port;
    
    //结构体初始化清零
    DDL_ZERO_STRUCT(stcTIM3Port);
    
    Sysctrl_SetPeripheralGate(SysctrlPeripheralGpio, TRUE); //端口外设时钟使能
    
    stcTIM3Port.enDir  = GpioDirIn;
    
    Gpio_Init(GpioPortA, GpioPin8, &stcTIM3Port);
    Gpio_SetAfMode(GpioPortA,GpioPin8,GpioAf2);               //PA08设置为TIM3_CH0A
    
#if 0

    Gpio_Init(GpioPortA, GpioPin7, &stcTIM3Port);
    Gpio_SetAfMode(GpioPortA,GpioPin7,GpioAf4);               //PA07设置为TIM3_CH0B    
    Gpio_Init(GpioPortB, GpioPin10, &stcTIM3Port);
    Gpio_SetAfMode(GpioPortB,GpioPin10,GpioAf5);              //PB10设置为TIM3_CH1A
    
    Gpio_Init(GpioPortB, GpioPin0, &stcTIM3Port);
    Gpio_SetAfMode(GpioPortB,GpioPin0,GpioAf2);               //PB00设置为TIM3_CH1B
    
    Gpio_Init(GpioPortB, GpioPin8, &stcTIM3Port);
    Gpio_SetAfMode(GpioPortB,GpioPin8,GpioAf6);               //PB08设置为TIM3_CH2A
    
    Gpio_Init(GpioPortB, GpioPin15, &stcTIM3Port);
    Gpio_SetAfMode(GpioPortB,GpioPin15,GpioAf2);              //PB15设置为TIM3_CH2B
#endif
}


//Timer3 配置
void board_Timer3Cfg(void)
{
    uint16_t                        u16ArrValue;
    uint16_t                        u16CntValue;

    stc_tim3_mode23_cfg_t        stcTim3BaseCfg;
    stc_tim3_m23_input_cfg_t     stcTim3PortCapCfg;
    
    //结构体初始化清零
    DDL_ZERO_STRUCT(stcTim3BaseCfg);
    DDL_ZERO_STRUCT(stcTim3PortCapCfg);
    
    Sysctrl_SetPeripheralGate(SysctrlPeripheralTim3, TRUE);   //Timer3外设时钟使能
    
    stcTim3BaseCfg.enWorkMode    = Tim3WorkMode2;             //锯齿波模式
    stcTim3BaseCfg.enCT          = Tim3Timer;                 //定时器功能，计数时钟为内部PCLK
    stcTim3BaseCfg.enPRS         = Tim3PCLKDiv4;             //PCLK/4   6MHZ
    stcTim3BaseCfg.enCntDir      = Tim3CntUp;                 //向上计数，在三角波模式时只读
    
    Tim3_Mode23_Init(&stcTim3BaseCfg);                        //TIM3 的模式23功能初始化
        
    stcTim3PortCapCfg.enCHxACmpCap   = Tim3CHxCapMode;        //CHB通道设置为捕获模式
    stcTim3PortCapCfg.enCHxACapSel   = Tim3CHxCapRise;    //CHB通道上升沿下降沿捕获都使能
    stcTim3PortCapCfg.enCHxAInFlt    = Tim3FltPCLKDiv16Cnt3;  //PCLK/16 3个连续有效
    stcTim3PortCapCfg.enCHxAPolarity = Tim3PortPositive;      //正常输入输出
    
    Tim3_M23_PortInput_Cfg(Tim3CH0, &stcTim3PortCapCfg);   //端口输入初始化配置
    //Tim3_M23_PortInput_Cfg(Tim3CH1, &stcTim3PortCapCfg);   //端口输入初始化配置
    //Tim3_M23_PortInput_Cfg(Tim3CH2, &stcTim3PortCapCfg);   //端口输入初始化配置
    
    u16ArrValue = 0xFFFF;
    Tim3_M23_ARRSet(u16ArrValue, TRUE);                       //设置重载值,并使能缓存
    
    u16CntValue = 0;
    Tim3_M23_Cnt16Set(u16CntValue);                           //设置计数初值
    
    Tim3_ClearAllIntFlag();                                   //清中断标志
    Tim3_Mode23_EnableIrq(Tim3CA0Irq);                        //使能TIM3 CB0比较/捕获中断
    Tim3_Mode23_EnableIrq(Tim3UevIrq);                        //使能TIM3 Uev更新中断
    EnableNvic(TIM3_IRQn, IrqLevel1, TRUE);                   //TIM3中断使能
    
    Tim3_M23_Run();      //运行
}


///<Lptmer配置初始化
void board_LPTimerInit(void)
{
    stc_lptim_cfg_t    stcLptCfg;
    DDL_ZERO_STRUCT(stcLptCfg);

    ///< 使能LPTIM0 外设时钟
    Sysctrl_SetPeripheralGate(SysctrlPeripheralLpTim, TRUE);

     Lptim_Cmd(M0P_LPTIMER, FALSE);   ///< 停止lptimer0

    stcLptCfg.enGate   = LptimGateLow;
    stcLptCfg.enGatep  = LptimGatePLow;
    stcLptCfg.enTcksel = LptimRcl;
    stcLptCfg.enTogen  = LptimTogEnLow;
    stcLptCfg.enCt     = LptimTimerFun;           //计数器功能
    stcLptCfg.enMd     = LptimMode2;            //工作模式为模式2：自动重装载16位计数器/定时器
    stcLptCfg.u16Arr   = 30000;                 //预装载寄存器值，计数初值
    Lptim_Init(M0P_LPTIMER, &stcLptCfg);

    Lptim_ClrItStatus(M0P_LPTIMER);            //清除中断标志位
    Lptim_ConfIt(M0P_LPTIMER, TRUE);           //允许LPTIMER中断
    EnableNvic(LPTIM_IRQn, IrqLevel3, TRUE);
    
    Lptim_Cmd(M0P_LPTIMER, TRUE);   ///< 启动lptimer1运行
}


/*******************************************************************************
 * TIM1中断服务函数
 ******************************************************************************/
void Tim1_IRQHandler(void)
{
    //Timer1 模式0 溢出中断
    if(TRUE == Bt_GetIntFlag(TIM1, BtUevIrq))
    {
      Bt_ClearIntFlag(TIM1,BtUevIrq); //中断标志清零
			
			button_ticks();
    }
}





/**
 ******************************************************************************
 ** \brief  LPTIMER中断服务函数
 **
 ** \return 无
 ******************************************************************************/
void LpTim_IRQHandler(void)
{
   // static boolean_t bFlag = TRUE;
    
    if (TRUE == Lptim_GetItStatus(M0P_LPTIMER))
    {
 
      Lptim_ClrItStatus(M0P_LPTIMER);//清除LPTimer的中断标志位

    }
}