uint32_t nrf_drv_ppi_channels_include_in_group(uint32_t channel_mask,
nrf_ppi_channel_group_t group)
{
ret_code_t err_code = NRF_SUCCESS;
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
{
CRITICAL_REGION_ENTER();
nrf_ppi_channels_include_in_group(channel_mask, group);
CRITICAL_REGION_EXIT();
}
NRF_LOG_INFO("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)ERR_TO_STR(err_code));
return err_code;
}
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;
}
uint32_t nrf_drv_ppi_channels_include_in_group(uint32_t channel_mask,
nrf_ppi_channel_group_t group)
{
if (!is_app_group(group))
{
return NRF_ERROR_INVALID_PARAM;
}
if (!is_allocated_group(group))
{
return NRF_ERROR_INVALID_STATE;
}
if (!are_app_channels(channel_mask))
{
return NRF_ERROR_INVALID_PARAM;
}
CRITICAL_REGION_ENTER();
nrf_ppi_channels_include_in_group(channel_mask, group);
CRITICAL_REGION_EXIT();
return NRF_SUCCESS;
}
/**@brief Check whether a channel can be used by an application.
* @param[in] channel Channel to check.
* @retval true The channel can be used by an application.
* false The channel is used by a SoftDevice.
*/
__STATIC_INLINE bool is_app_channel(nrf_ppi_channel_t channel)
{
return are_app_channels(nrf_drv_ppi_channel_to_mask(channel));
}
