最全！华大HC32F460定时器介绍

/******************************************************************************** Include files******************************************************************************/#include "hc32_ddl.h"
/******************************************************************************** Local type definitions ('typedef')******************************************************************************/
/******************************************************************************** Local pre-processor symbols/macros ('#define')******************************************************************************//* KEY0 (SW2)*/#define SW2_PORT (PortD)#define SW2_PIN (Pin03)/* KEY1 (SW4)*/#define SW4_PORT (PortD)#define SW4_PIN (Pin04)/* KEY2 (SW3)*/#define SW3_PORT (PortD)#define SW3_PIN (Pin05)/* KEY3 (SW5)*/#define SW5_PORT (PortD)#define SW5_PIN (Pin06)
/* LED0 Port/Pin definition */#define LED0_PORT (PortE)#define LED0_PIN (Pin06)
/* LED1 Port/Pin definition */#define LED1_PORT (PortD)#define LED1_PIN (Pin07)
/* LED2 Port/Pin definition */#define LED2_PORT (PortB)#define LED2_PIN (Pin05)
/* LED3 Port/Pin definition */#define LED3_PORT (PortB)#define LED3_PIN (Pin09)
/* LED0~1 toggle definition */#define LED0_TOGGLE() (PORT_Toggle(LED0_PORT, LED0_PIN))#define LED1_TOGGLE() (PORT_Toggle(LED1_PORT, LED1_PIN))#define LED2_TOGGLE() (PORT_Toggle(LED2_PORT, LED2_PIN))#define LED3_TOGGLE() (PORT_Toggle(LED3_PORT, LED3_PIN))
/******************************************************************************** Global variable definitions (declared in header file with 'extern')******************************************************************************/
/******************************************************************************** Local function prototypes ('static')******************************************************************************/
/******************************************************************************** Local variable definitions ('static')******************************************************************************/

/******************************************************************************** Function implementation - global ('extern') and local ('static')******************************************************************************//*********************************************************************************** \brief Callback function of external interrupt ch.0********************************************************************************/
void Timer6_OverFlow_CallBack(void){
}
/********************************************************************************** \brief Initialize the system clock for the sample**** \param None**** \return None******************************************************************************/static void SysClkIni(void){ en_clk_sys_source_t enSysClkSrc; stc_clk_sysclk_cfg_t stcSysClkCfg; stc_clk_mpll_cfg_t stcMpllCfg; stc_clk_output_cfg_t stcOutputClkCfg;

 MEM_ZERO_STRUCT(enSysClkSrc); MEM_ZERO_STRUCT(stcSysClkCfg); MEM_ZERO_STRUCT(stcMpllCfg); MEM_ZERO_STRUCT(stcOutputClkCfg);
 /* Set bus clk div. */ stcSysClkCfg.enHclkDiv = ClkSysclkDiv1; // 168MHz stcSysClkCfg.enExclkDiv = ClkSysclkDiv2; // 84MHz
 stcSysClkCfg.enPclk0Div = ClkSysclkDiv1; // 168MHz (timer6 cnt) stcSysClkCfg.enPclk1Div = ClkSysclkDiv2; // 84MHz (timer6 logic) stcSysClkCfg.enPclk2Div = ClkSysclkDiv4; // 42MHz stcSysClkCfg.enPclk3Div = ClkSysclkDiv4; // 42MHz stcSysClkCfg.enPclk4Div = ClkSysclkDiv2; // 84MHz CLK_SysClkConfig(&stcSysClkCfg);
 CLK_HrcCmd(Enable); //Enable HRC
 /* MPLL config. */ stcMpllCfg.pllmDiv = 2ul; //HRC 16M / 2 stcMpllCfg.plln = 42ul; //8M*42 = 336M stcMpllCfg.PllpDiv = 2ul; //MLLP = 168M stcMpllCfg.PllqDiv = 2ul; //MLLQ = 168M stcMpllCfg.PllrDiv = 2ul; //MLLR = 168M CLK_SetPllSource(ClkPllSrcHRC); CLK_MpllConfig(&stcMpllCfg);
 /* flash read wait cycle setting */ EFM_Unlock(); EFM_SetLatency(EFM_LATENCY_4); EFM_Lock();
 /* Enable MPLL. */ CLK_MpllCmd(Enable);
 /* Wait MPLL ready. */ while(Set != CLK_GetFlagStatus(ClkFlagMPLLRdy)) { ; }
 /* Switch system clock source to MPLL. */ CLK_SetSysClkSource(CLKSysSrcMPLL);}
/*********************************************************************************** \brief Main function of project**** \param None**** \retval int32_t return value, if needed********************************************************************************/int32_t main(void){ uint16_t u16Period; uint16_t u16Compare; stc_timer6_basecnt_cfg_t stcTIM6BaseCntCfg; stc_timer6_port_output_cfg_t stcTIM6PWMxCfg; stc_timer6_gcmp_buf_cfg_t stcGCMPBufCfg; stc_port_init_t stcPortInit; stc_irq_regi_conf_t stcIrqRegiConf;
 MEM_ZERO_STRUCT(stcTIM6BaseCntCfg); MEM_ZERO_STRUCT(stcTIM6PWMxCfg); MEM_ZERO_STRUCT(stcGCMPBufCfg); MEM_ZERO_STRUCT(stcPortInit); MEM_ZERO_STRUCT(stcIrqRegiConf);
 SysClkIni();
 PWC_Fcg2PeriphClockCmd(PWC_FCG2_PERIPH_TIM61, Enable);
 PORT_SetFunc(PortE, Pin09, Func_Tim6, Disable); //Timer61 PWMA PORT_SetFunc(PortE, Pin08, Func_Tim6, Disable); //Timer61 PWMB
 stcTIM6BaseCntCfg.enCntMode = Timer6CntSawtoothMode; //Sawtooth wave mode stcTIM6BaseCntCfg.enCntDir = Timer6CntDirUp; //Counter counting up stcTIM6BaseCntCfg.enCntClkDiv = Timer6PclkDiv1; //Count clock: pclk0 Timer6_Init(M4_TMR61, &stcTIM6BaseCntCfg); //timer6 PWM frequency, count mode and clk config
 u16Period = 33600u; Timer6_SetPeriod(M4_TMR61, Timer6PeriodA, u16Period); //period set
 u16Compare = 10000u; Timer6_SetGeneralCmpValue(M4_TMR61, Timer6GenCompareA, u16Compare); //Set General Compare RegisterA Value
 u16Compare = 20000u; Timer6_SetGeneralCmpValue(M4_TMR61, Timer6GenCompareB, u16Compare); //Set General Compare RegisterB Value
 stcTIM6PWMxCfg.enPortMode = Timer6ModeCompareOutput; //Compare output function stcTIM6PWMxCfg.bOutEn = true; //Output enable stcTIM6PWMxCfg.enPerc = Timer6PWMxCompareLow; //PWMA port output Low level when CNTER value match PERAR stcTIM6PWMxCfg.enCmpc = Timer6PWMxCompareHigh; //PWMA port output High level when CNTER value match with GCMAR stcTIM6PWMxCfg.enStaStp = Timer6PWMxStateSelSS; //PWMA output status is decide by STACA STPCA when CNTER start and stop stcTIM6PWMxCfg.enStaOut = Timer6PWMxPortOutLow; //PWMA port output set low level when CNTER start stcTIM6PWMxCfg.enStpOut = Timer6PWMxPortOutLow; //PWMA port output set low level when CNTER stop stcTIM6PWMxCfg.enDisVal = Timer6PWMxDisValLow; Timer6_PortOutputConfig(M4_TMR61, Timer6PWMA, &stcTIM6PWMxCfg);
 stcTIM6PWMxCfg.enPortMode = Timer6ModeCompareOutput; //Compare output function stcTIM6PWMxCfg.bOutEn = true; //Output enable stcTIM6PWMxCfg.enPerc = Timer6PWMxCompareLow; //PWMB port output Low level when CNTER value match PERAR stcTIM6PWMxCfg.enCmpc = Timer6PWMxCompareHigh; //PWMB port output High level when CNTER value match with GCMBR stcTIM6PWMxCfg.enStaStp = Timer6PWMxStateSelSS; //PWMB output status is decide by STACB STPCB when CNTER start and stop stcTIM6PWMxCfg.enStaOut = Timer6PWMxPortOutLow; //PWMB port output set low level when CNTER start stcTIM6PWMxCfg.enStpOut = Timer6PWMxPortOutLow; //PWMB port output set low level when CNTER stop stcTIM6PWMxCfg.enDisVal = Timer6PWMxDisValLow; Timer6_PortOutputConfig(M4_TMR61, Timer6PWMB, &stcTIM6PWMxCfg);
 /*config interrupt*/ /* Enable timer61 GOVF interrupt */ Timer6_ConfigIrq(M4_TMR61, Timer6INTENOVF, true);

 stcIrqRegiConf.enIRQn = Int002_IRQn; //Register INT_TMR61_GOVF Int to Vect.No.002 stcIrqRegiConf.enIntSrc = INT_TMR61_GOVF; //Select Event interrupt of timer61 stcIrqRegiConf.pfnCallback = &Timer6_OverFlow_CallBack; //Callback function enIrqRegistration(&stcIrqRegiConf); //Registration IRQ
 NVIC_ClearPendingIRQ(stcIrqRegiConf.enIRQn); //Clear Pending NVIC_SetPriority(stcIrqRegiConf.enIRQn, DDL_IRQ_PRIORITY_15);//Set priority NVIC_EnableIRQ(stcIrqRegiConf.enIRQn); //Enable NVIC

 /*start timer6*/ Timer6_StartCount(M4_TMR61);
 while(1) { ; }
}

u16Period = 33600u; Timer6_SetPeriod(M4_TMR61, Timer6PeriodA, u16Period); //period set

 u16Compare = 10000u; Timer6_SetGeneralCmpValue(M4_TMR61, Timer6GenCompareA, u16Compare); //Set General Compare RegisterA Value
 u16Compare = 20000u; Timer6_SetGeneralCmpValue(M4_TMR61, Timer6GenCompareB, u16Compare); //Set General Compare RegisterB Value

stcTIM6PWMxCfg.enPortMode = Timer6ModeCompareOutput; //Compare output function stcTIM6PWMxCfg.bOutEn = true; //Output enable stcTIM6PWMxCfg.enPerc = Timer6PWMxCompareLow; //PWMA port output Low level when CNTER value match PERAR stcTIM6PWMxCfg.enCmpc = Timer6PWMxCompareHigh; //PWMA port output High level when CNTER value match with GCMAR stcTIM6PWMxCfg.enStaStp = Timer6PWMxStateSelSS; //PWMA output status is decide by STACA STPCA when CNTER start and stop stcTIM6PWMxCfg.enStaOut = Timer6PWMxPortOutLow; //PWMA port output set low level when CNTER start stcTIM6PWMxCfg.enStpOut = Timer6PWMxPortOutLow; //PWMA port output set low level when CNTER stop stcTIM6PWMxCfg.enDisVal = Timer6PWMxDisValLow; Timer6_PortOutputConfig(M4_TMR61, Timer6PWMA, &stcTIM6PWMxCfg);

/*config interrupt*/ /* Enable timer61 GOVF interrupt */ Timer6_ConfigIrq(M4_TMR61, Timer6INTENOVF, true);

 stcIrqRegiConf.enIRQn = Int002_IRQn; //Register INT_TMR61_GOVF Int to Vect.No.002 stcIrqRegiConf.enIntSrc = INT_TMR61_GOVF; //Select Event interrupt of timer61 stcIrqRegiConf.pfnCallback = &Timer6_OverFlow_CallBack; //Callback function enIrqRegistration(&stcIrqRegiConf); //Registration IRQ
 NVIC_ClearPendingIRQ(stcIrqRegiConf.enIRQn); //Clear Pending NVIC_SetPriority(stcIrqRegiConf.enIRQn, DDL_IRQ_PRIORITY_15);//Set priority NVIC_EnableIRQ(stcIrqRegiConf.enIRQn); //Enable NVIC
复制代码

 /*start timer6*/ Timer6_StartCount(M4_TMR61);