C++ (Cpp) sd_ppi_group_assign Examples

Example #1

File: nrf_pwm_mic2860_noglitch.c Project: tommag/ble_app_balle_1420

static void ppi_configure_channel_group(uint32_t ch_grp, uint32_t chg_ch_mask)
{
#if(USE_WITH_SOFTDEVICE == 1)
        sd_ppi_group_assign(ch_grp, chg_ch_mask);
#else
        NRF_PPI->CHG[ch_grp] = chg_ch_mask;
#endif
}

Example #2

File: nrf_drv_ppi.c Project: dhruvkakadiya/OpenSJ_Bluz

uint32_t nrf_drv_ppi_channel_include_in_group(nrf_ppi_channel_t       channel,
                                              nrf_ppi_channel_group_t group)
{
    uint32_t err_code;

#if (NRF_PPI_RESTRICTED > 0)
    uint32_t ch_mask;
#endif

    if (!is_app_group(group))
    {
        err_code = NRF_ERROR_INVALID_PARAM;
    }
    else if (!is_allocated_group(group))
    {
        err_code = NRF_ERROR_INVALID_STATE;
    }
    else if (!is_app_channel(channel))
    {
        err_code = NRF_ERROR_INVALID_PARAM;
    }
    else
    {
#if (NRF_PPI_RESTRICTED > 0)

        CRITICAL_REGION_ENTER();
        err_code = sd_ppi_group_get((uint8_t) group, &ch_mask);
        if (err_code != NRF_SUCCESS)
        {
            err_code = NRF_ERROR_INVALID_PARAM;
        }
        else
        {
            ch_mask |= channel_to_mask(channel);
            err_code = sd_ppi_group_assign((uint8_t) group, ch_mask);
            if (err_code != NRF_SUCCESS)
            {
                err_code = NRF_ERROR_INVALID_PARAM;
            }
        }
        CRITICAL_REGION_EXIT();
#else

        CRITICAL_REGION_ENTER();
        nrf_ppi_channel_include_in_group(channel, group);
        CRITICAL_REGION_EXIT();
        err_code = NRF_SUCCESS;

#endif
    }

    return err_code;
}

Example #3

File: nrf_drv_ppi.c Project: BlueSkyGjj/nRF52

uint32_t nrf_drv_ppi_channels_remove_from_group(uint32_t channel_mask,
                                                nrf_ppi_channel_group_t group)
{
    uint32_t err_code;

    if (!is_app_group(group))
    {
        err_code = NRF_ERROR_INVALID_PARAM;
    }
    else if (!is_allocated_group(group))
    {
        err_code = NRF_ERROR_INVALID_STATE;
    }
    else if (!are_app_channels(channel_mask))
    {
        err_code = NRF_ERROR_INVALID_PARAM;
    }
    else
    {
#if (NRF_PPI_RESTRICTED > 0)
        uint32_t channels_in_group = 0;

        CRITICAL_REGION_ENTER();
        err_code = sd_ppi_group_get((uint8_t) group, &channels_in_group);

        if (err_code != NRF_SUCCESS)
        {
            err_code = NRF_ERROR_INVALID_PARAM;
        }
        else
        {
            channels_in_group &= ~channel_mask;
            err_code = sd_ppi_group_assign((uint8_t) group, channels_in_group);

            if (err_code != NRF_SUCCESS)
            {
                err_code = NRF_ERROR_INVALID_PARAM;
            }
        }
        CRITICAL_REGION_EXIT();

#else
        CRITICAL_REGION_ENTER();
        nrf_ppi_channels_remove_from_group(channel_mask, group);
        CRITICAL_REGION_EXIT();
        err_code = NRF_SUCCESS;
#endif

    }
    return err_code;
}

Example #4

File: ir_lib.c Project: jtguggedal/Physical_Web_Toy_SDK_11

uint32_t ir_lib_init(uint32_t ir_pin)
{
    uint32_t err_code = 0;

    NRF_GPIOTE->CONFIG[0] = GPIOTE_CONFIG_MODE_Task         << GPIOTE_CONFIG_MODE_Pos |
                            GPIOTE_CONFIG_OUTINIT_Low       << GPIOTE_CONFIG_OUTINIT_Pos |
                            GPIOTE_CONFIG_POLARITY_Toggle   << GPIOTE_CONFIG_POLARITY_Pos |
                            ir_pin                          << GPIOTE_CONFIG_PSEL_Pos;
    
    // Carrier timer init
    IR_TIMER_CARRIER->MODE          = TIMER_MODE_MODE_Timer;
    IR_TIMER_CARRIER->BITMODE       = TIMER_BITMODE_BITMODE_16Bit;
    IR_TIMER_CARRIER->PRESCALER     = 4;
    IR_TIMER_CARRIER->CC[0]         = IR_CARRIER_LOW_US;    
    IR_TIMER_CARRIER->CC[1]         = IR_CARRIER_LOW_US + IR_CARRIER_HIGH_US; 
    IR_TIMER_CARRIER->SHORTS        = TIMER_SHORTS_COMPARE1_CLEAR_Msk;

    // Modulation timer init
    IR_CARRIER_COUNTER->MODE        = TIMER_MODE_MODE_Counter;  
    IR_CARRIER_COUNTER->BITMODE     = TIMER_BITMODE_BITMODE_16Bit;
    IR_CARRIER_COUNTER->INTENSET    = TIMER_INTENSET_COMPARE0_Msk | TIMER_INTENSET_COMPARE1_Msk;
    IR_CARRIER_COUNTER->EVENTS_COMPARE[0] = 0;
    IR_CARRIER_COUNTER->EVENTS_COMPARE[1] = 0;

    err_code |= sd_nvic_SetPriority(IR_CARRIER_COUNTER_IRQn, IR_CARRIER_COUNTER_IRQ_Priority);
    err_code |= sd_nvic_EnableIRQ(IR_CARRIER_COUNTER_IRQn);

    err_code |= sd_ppi_channel_assign(IR_PPI_CH_A, &IR_TIMER_CARRIER->EVENTS_COMPARE[1], &IR_CARRIER_COUNTER->TASKS_COUNT);
    
    err_code |= sd_ppi_channel_assign(IR_PPI_CH_B, &IR_TIMER_CARRIER->EVENTS_COMPARE[0], &NRF_GPIOTE->TASKS_OUT[0]);
    err_code |= sd_ppi_channel_assign(IR_PPI_CH_C, &IR_TIMER_CARRIER->EVENTS_COMPARE[1], &NRF_GPIOTE->TASKS_OUT[0]);

    err_code |= sd_ppi_group_assign(IR_PPI_GROUP, 1 << IR_PPI_CH_B | 1 << IR_PPI_CH_C);
    err_code |= sd_ppi_group_task_disable(IR_PPI_GROUP);
    
    err_code |= sd_ppi_channel_assign(IR_PPI_CH_D, &IR_CARRIER_COUNTER->EVENTS_COMPARE[0], &NRF_PPI->TASKS_CHG[IR_PPI_GROUP].DIS);
    err_code |= sd_ppi_channel_assign(IR_PPI_CH_E, &IR_CARRIER_COUNTER->EVENTS_COMPARE[1], &NRF_PPI->TASKS_CHG[IR_PPI_GROUP].EN);

    err_code |= sd_ppi_channel_enable_set(1 << IR_PPI_CH_A | 1 << IR_PPI_CH_B | 1 << IR_PPI_CH_C | 1 << IR_PPI_CH_D | 1 << IR_PPI_CH_E);
    
    m_busy = false;
    return err_code;
}