本帖最后由 mao13226675618 于 2021-8-28 13:55 编辑
hc32m120-timer4输出2路4通道带死区可调互补pwm。/*******************************************************************************
* Include files
******************************************************************************/
#include "hc32_ddl.h"
/**
* @addtogroup HC32M120_DDL_Examples
* @{
*/
/**
* @addtogroup TIMER4_PWM_Dead_Timer_Filter_Mode
* @{
*/
/*******************************************************************************
* Local type definitions ('typedef')
******************************************************************************/
/*******************************************************************************
* Local pre-processor symbols/macros ('#define')
******************************************************************************/
/* TIM4 PWM Port/Pin definition */
#define TIM4_1_OXH_PORT (GPIO_PORT_6)
#define TIM4_1_OXH_PIN (GPIO_PIN_1)
#define TIM4_1_OXH_GPIO_FUNC (GPIO_FUNC_4_TIM4)
#define TIM4_1_OXL_PORT (GPIO_PORT_6)
#define TIM4_1_OXL_PIN (GPIO_PIN_0)
#define TIM4_1_OXL_GPIO_FUNC (GPIO_FUNC_2_TIM4)
#define TIM4_1_OVH_PORT (GPIO_PORT_3)
#define TIM4_1_OVH_PIN (GPIO_PIN_1)
#define TIM4_1_OVH_GPIO_FUNC (GPIO_FUNC_2_TIM4)
#define TIM4_1_OVL_PORT (GPIO_PORT_6)
#define TIM4_1_OVL_PIN (GPIO_PIN_2)
#define TIM4_1_OVL_GPIO_FUNC (GPIO_FUNC_4_TIM4)
/* Function clock gate definition */
#define FUNCTION_CLK_GATE (CLK_FCG_TIM4)
/* Timer4 Counter period value && interrupt number definition */
#define TIMER4_CNT_CYCLE_VAL ((uint16_t)(400)) /* 500 ms */
/* Timer4 OCO Channel definition */
//#define TIMER4_OCO_LOW_CH (TIMER4_OCO_UL) /* only TIMER4_OCO_UL TIMER4_OCO_VL TIMER4_OCO_WL */
//#define TIMER4_OCO_LOW_CH (TIMER4_OCO_VL)
#define TIMER4_OCO_OCCR_BUF_SIZE (4u)
/* Timer4 OCO get interrupt source number definition */
#define TIMER4_OCO_INT_SRC(x) ((en_int_src_t)((uint32_t)INT_TMR4_GCMUH + ((uint32_t)((x) - TIMER4_OCO_UH))))
/* Timer4 PWM get channel by OCO low channel */
#define TIMER4_PWM_CH(x) (((x) == TIMER4_OCO_UL) ? TIMER4_PWM_U : \
(((x) == TIMER4_OCO_VL) ? TIMER4_PWM_V : TIMER4_PWM_W))
/*******************************************************************************
* Global variable definitions (declared in header file with 'extern')
******************************************************************************/
/*******************************************************************************
* Local function prototypes ('static')
******************************************************************************/
static void SystemClockConfig(void);
static void Timer4OcoMatchIrqCb(void);
/*******************************************************************************
* Local variable definitions ('static')
******************************************************************************/
static uint16_t m_au16OccrVal[TIMER4_OCO_OCCR_BUF_SIZE];
/*******************************************************************************
* Function implementation - global ('extern') and local ('static')
******************************************************************************/
/**
* @brief Configure system clock.
* @param None
* @retval None
*/
static void SystemClockConfig(void)
{
/* Configure the system clock to HRC8MHz. */
CLK_HRCInit(CLK_HRC_ON, CLK_HRCFREQ_48);
}
/**
* @brief TIMER4 OCO match interrupt handler callback.
* @param None
* @retval None
*/
static void Timer4OcoMatchIrqCb(void)
{
static uint8_t u8CntOcoMatchIrq = 0u;
if (++u8CntOcoMatchIrq >= TIMER4_OCO_OCCR_BUF_SIZE)
{
u8CntOcoMatchIrq = 0u;
}
TIMER4_OCO_ClearFlag(TIMER4_OCO_UL);
TIMER4_OCO_SetOccrVal(TIMER4_OCO_UL, m_au16OccrVal[u8CntOcoMatchIrq]);
TIMER4_OCO_ClearFlag(TIMER4_OCO_VL);
TIMER4_OCO_SetOccrVal(TIMER4_OCO_VL, m_au16OccrVal[u8CntOcoMatchIrq]);
}
/**
* @brief Main function of TIMER4 PWM dead timer filter mode
* @param None
* @retval int32_t return value, if needed
*/
int32_t main(void)
{
uint32_t u32PwmChU;
uint32_t u32PwmChV;
stc_irq_regi_config_t stcIrqRegiConf;
stc_timer4_cnt_init_t stcTimer4CntInit;
stc_timer4_oco_init_t stcTimer4OcoInit;
stc_timer4_pwm_init_t stcTimer4PwmInit;
stc_oco_low_ch_compare_mode_t stcLowChCmpMode;
/* Configure system clock. */
SystemClockConfig();
/* Enable peripheral clock */
CLK_FcgPeriphClockCmd(FUNCTION_CLK_GATE, Enable);
/* Initialize TIMER4 Counter */
TIMER4_CNT_StructInit(&stcTimer4CntInit);
stcTimer4CntInit.u16ClkDiv = TIMER4_CNT_CLK_DIV1;
/* Period_Value(500ms) = SystemClock(SystemCoreClock) / TIMER4_CNT_Clock_Division(128) / Frequency(2) */
stcTimer4CntInit.u16CycleVal = TIMER4_CNT_CYCLE_VAL;
TIMER4_CNT_Init(&stcTimer4CntInit);
/* Initialize TIMER4 OCO high&&low channel */
m_au16OccrVal[0] = (TIMER4_CNT_CYCLE_VAL / 2u);
m_au16OccrVal[1] = (TIMER4_CNT_CYCLE_VAL / 2u);
m_au16OccrVal[2] = (TIMER4_CNT_CYCLE_VAL / 2u);
m_au16OccrVal[3] = (TIMER4_CNT_CYCLE_VAL / 2u);
TIMER4_OCO_StructInit(&stcTimer4OcoInit);
stcTimer4OcoInit.enOcoCmd = Enable;
stcTimer4OcoInit.enOcoIntCmd = Enable;
stcTimer4OcoInit.u16OccrVal = m_au16OccrVal[0];
TIMER4_OCO_Init(TIMER4_OCO_UL, &stcTimer4OcoInit);
TIMER4_OCO_Init(TIMER4_OCO_VL, &stcTimer4OcoInit);
// if (TIMER4_OCO_LOW_CH % 2ul)
// {
/* OCMR[31:0] 0x0FF0 0FFF = b 0000 1111 1111 0000 0000 1111 1111 1111 */
stcLowChCmpMode.OCMRx_f.OCFDCL = TIMER4_OCO_OCF_SET; /* bit[0] 1 */
stcLowChCmpMode.OCMRx_f.OCFPKL = TIMER4_OCO_OCF_SET; /* bit[1] 1 */
stcLowChCmpMode.OCMRx_f.OCFUCL = TIMER4_OCO_OCF_SET; /* bit[2] 1 */
stcLowChCmpMode.OCMRx_f.OCFZRL = TIMER4_OCO_OCF_SET; /* bit[3] 1 */
stcLowChCmpMode.OCMRx_f.OPDCL = TIMER4_OCO_OP_INVERT; /* bit[5:4] 11 */
stcLowChCmpMode.OCMRx_f.OPPKL = TIMER4_OCO_OP_INVERT; /* bit[7:6] 11 */
stcLowChCmpMode.OCMRx_f.OPUCL = TIMER4_OCO_OP_INVERT; /* bit[9:8] 11 */
stcLowChCmpMode.OCMRx_f.OPZRL = TIMER4_OCO_OP_INVERT; /* bit[11:10] 11 */
stcLowChCmpMode.OCMRx_f.OPNPKL = TIMER4_OCO_OP_HOLD; /* bit[13:12] 00 */
stcLowChCmpMode.OCMRx_f.OPNZRL = TIMER4_OCO_OP_HOLD; /* bit[15:14] 00 */
stcLowChCmpMode.OCMRx_f.EOPNDCL = TIMER4_OCO_OP_HOLD; /* bit[17:16] 00 */
stcLowChCmpMode.OCMRx_f.EOPNUCL = TIMER4_OCO_OP_HOLD; /* bit[19:18] 00 */
stcLowChCmpMode.OCMRx_f.EOPDCL = TIMER4_OCO_OP_INVERT; /* bit[21:20] 11 */
stcLowChCmpMode.OCMRx_f.EOPPKL = TIMER4_OCO_OP_INVERT; /* bit[23:22] 11 */
stcLowChCmpMode.OCMRx_f.EOPUCL = TIMER4_OCO_OP_INVERT; /* bit[25:24] 11 */
stcLowChCmpMode.OCMRx_f.EOPZRL = TIMER4_OCO_OP_INVERT; /* bit[27:26] 11 */
stcLowChCmpMode.OCMRx_f.EOPNPKL = TIMER4_OCO_OP_HOLD; /* bit[29:28] 00 */
stcLowChCmpMode.OCMRx_f.EOPNZRL = TIMER4_OCO_OP_HOLD; /* bit[31:30] 00 */
stcLowChCmpMode.enExtendMatchCondCmd =Enable; //Disable;//Enable;
TIMER4_OCO_SetLowChCompareMode(TIMER4_OCO_UL, &stcLowChCmpMode); /* Set OCO low channel compare mode */
TIMER4_OCO_SetLowChCompareMode(TIMER4_OCO_VL, &stcLowChCmpMode);
// }
/* Register IRQ handler && configure NVIC. */
stcIrqRegiConf.enIRQn = Int013_IRQn;
stcIrqRegiConf.enIntSrc =TIMER4_OCO_INT_SRC(TIMER4_OCO_UL);
stcIrqRegiConf.enIntSrc =TIMER4_OCO_INT_SRC(TIMER4_OCO_VL);
stcIrqRegiConf.pfnCallback = &Timer4OcoMatchIrqCb;
INTC_IrqRegistration(&stcIrqRegiConf);
NVIC_ClearPendingIRQ(stcIrqRegiConf.enIRQn);
NVIC_SetPriority(stcIrqRegiConf.enIRQn, DDL_IRQ_PRIORITY_03);
NVIC_EnableIRQ(stcIrqRegiConf.enIRQn);
/* Initialize PWM I/O */
GPIO_SetFunc(TIM4_1_OXH_PORT, TIM4_1_OXH_PIN, TIM4_1_OXH_GPIO_FUNC);
GPIO_SetFunc(TIM4_1_OXL_PORT, TIM4_1_OXL_PIN, TIM4_1_OXL_GPIO_FUNC);
GPIO_SetFunc(TIM4_1_OVH_PORT, TIM4_1_OVH_PIN, TIM4_1_OVH_GPIO_FUNC);
GPIO_SetFunc(TIM4_1_OVL_PORT, TIM4_1_OVL_PIN, TIM4_1_OVL_GPIO_FUNC);
/* Timer4 PWM: Get pwm couple channel */
u32PwmChU = TIMER4_PWM_CH(TIMER4_OCO_UL);
u32PwmChV = TIMER4_PWM_CH(TIMER4_OCO_VL);
/* Initialize Timer4 PWM */
TIMER4_PWM_StructInit(&stcTimer4PwmInit);
stcTimer4PwmInit.enRtIntMaskCmd = Enable;
stcTimer4PwmInit.u16ClkDiv = TIMER4_PWM_CLK_DIV1;
stcTimer4PwmInit.u16Mode = TIMER4_PWM_DEAD_TIMER_FILTER_MODE;
TIMER4_PWM_Init(u32PwmChU, &stcTimer4PwmInit);
TIMER4_PWM_SetDeadRegionValue(u32PwmChU, 10u, 10u);
TIMER4_PWM_SetFilterCountValue(u32PwmChU, (200u));
TIMER4_PWM_StructInit(&stcTimer4PwmInit);
stcTimer4PwmInit.enRtIntMaskCmd = Enable;
stcTimer4PwmInit.u16ClkDiv = TIMER4_PWM_CLK_DIV1;
stcTimer4PwmInit.u16Mode = TIMER4_PWM_DEAD_TIMER_FILTER_MODE;
TIMER4_PWM_Init(u32PwmChV, &stcTimer4PwmInit);
TIMER4_PWM_SetDeadRegionValue(u32PwmChV, 10u, 10u);
TIMER4_PWM_SetFilterCountValue(u32PwmChV, (200u));
/* Start TIMER4 counter. */
TIMER4_CNT_Start();
while (1)
{
}
}
/**
* @}
*/
/**
* @}
*/
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