C++ (Cpp) HAL_Pwm_Enable Examples

Example #1

File: pwmout_api.c Project: Archcady/mbed-os

void pwmout_init(pwmout_t* obj, PinName pin) 
{
    uint32_t peripheral;
    u32 pwm_idx;
    u32 pin_sel;

    DBG_PWM_INFO("%s: Init PWM for pin(0x%x)\n", __FUNCTION__, pin);
    
    // Get the peripheral name from the pin and assign it to the object
    peripheral = pinmap_peripheral(pin, PinMap_PWM);

    if (unlikely(peripheral == NC)) {
        DBG_PWM_ERR("%s: Cannot find matched pwm for this pin(0x%x)\n", __FUNCTION__, pin);
        return;
    }

    pwm_idx = RTL_GET_PERI_IDX(peripheral);
    pin_sel = RTL_GET_PERI_SEL(peripheral);

    obj->pwm_idx = pwm_idx;
    obj->pin_sel = pin_sel;
    obj->period = 0;
    obj->pulse = 0;
    _memset((void *)&obj->pwm_hal_adp, 0, sizeof(HAL_PWM_ADAPTER));
    if (HAL_OK != HAL_Pwm_Init(&obj->pwm_hal_adp, pwm_idx, pin_sel)) {
        DBG_PWM_ERR("pwmout_init Err!\n");
        return;
    }
    pwmout_period_us(obj, 20000); // 20 ms per default
    HAL_Pwm_Enable(&obj->pwm_hal_adp);
}

Example #2

File: wiring_analog.c Project: geliang201201/arduino-ameba

void pwmout_init(pwmout_t* obj, PinName pin) 
{
    uint32_t peripheral;
    u32 pwm_idx;
    u32 pin_sel;

    
    // Get the peripheral name from the pin and assign it to the object
    peripheral = pinmap_peripheral(pin, PinMap_PWM);

    if ( peripheral == NC ) {
        return;
    }

    pwm_idx = RTL_GET_PERI_IDX(peripheral);
    pin_sel = RTL_GET_PERI_SEL(peripheral);

    obj->pwm_idx = pwm_idx;
    obj->pin_sel = pin_sel;
    obj->period = 0;
    obj->pulse = 0;
    HAL_Pwm_Init(pwm_idx, pin_sel);
	obj->period = 20000;
    HAL_Pwm_SetDuty(obj->pwm_idx, obj->period, obj->pulse);
    HAL_Pwm_Enable(pwm_idx);
}