Is there an example code for using PWM on the nRF51822 with a SoftDevice?

[sd]

I'm looking to add PWM functionality to my design to drive an LED. Examples exist for other devices, and those don't use the SoftDevice. Is there an example or some reference design for making the PWM module work with the nRF51822 and SD?

[Nils Minor]

Hi,

yes i also need some help how to configure the pwm example when using the softdevice. How to configure the PPI?

best regards Nils

[steven]

try it...add to your function

		
        err_code = sd_ppi_channel_assign(0, &NRF_TIMER2->EVENTS_COMPARE[0], &NRF_GPIOTE->TASKS_OUT[0]);
		
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }
        
        err_code = sd_ppi_channel_enable_set(1 << 0);		
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }
		
        err_code = sd_ppi_channel_assign(1, &NRF_TIMER2->EVENTS_COMPARE[1], &NRF_GPIOTE->TASKS_OUT[0]);
		
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }
        
        err_code = sd_ppi_channel_enable_set(1 << 1);
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }	
				
        err_code = sd_ppi_channel_assign(2, &NRF_TIMER2->EVENTS_COMPARE[3], &NRF_GPIOTE->TASKS_OUT[1]);
		
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }
        
        err_code = sd_ppi_channel_enable_set(1 << 2);
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }	
				
        err_code = sd_ppi_channel_assign(3, &NRF_TIMER2->EVENTS_COMPARE[1], &NRF_GPIOTE->TASKS_OUT[1]);
		
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }
        
        err_code = sd_ppi_channel_enable_set(1 << 3);
        if (err_code != NRF_SUCCESS)
        {
            return err_code;
        }					
				nrf_gpiote_task_config(0,8, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_HIGH);		
				nrf_gpiote_task_config(1, 9, NRF_GPIOTE_POLARITY_TOGGLE, NRF_GPIOTE_INITIAL_VALUE_HIGH);				
				
				NVIC_SetPriority(TIMER2_IRQn, 1);//must have to set the priority
////------------------------
  NVIC_EnableIRQ(TIMER2_IRQn);
  __enable_irq();
  /* Start clock */
  NRF_TIMER2->TASKS_START = 1;

[sd]

Anything from Nordic?

[Nils Minor]

HI thanks for the answer,

But i need more help, it doesen#t work or i don't know how to use your code.

best regards Nils

[Nils Minor]

No one have any other sample code for me? best regards Nils