C++ (Cpp) group_allocated_set示例

示例#1

文件： nrf_drv_ppi.c 项目： Archcady/mbed-os

uint32_t nrf_drv_ppi_group_alloc(nrf_ppi_channel_group_t * p_group)
{
    uint32_t err_code;
    uint32_t mask = 0;
    nrf_ppi_channel_group_t group;

    err_code = NRF_ERROR_NO_MEM;

    mask = NRF_PPI_ALL_APP_GROUPS_MASK;
    for (group = NRF_PPI_CHANNEL_GROUP0; mask != 0; mask &= ~group_to_mask(group), group++)
    {
        CRITICAL_REGION_ENTER();
        if ((mask & group_to_mask(group)) && (!is_allocated_group(group)))
        {
            group_allocated_set(group);
            *p_group = group;
            err_code = NRF_SUCCESS;
        }
        CRITICAL_REGION_EXIT();
        if (err_code == NRF_SUCCESS)
        {
            NRF_LOG_INFO("Allocated group: %d.\r\n", group);
            break;
        }
    }

    NRF_LOG_INFO("Function: %s, error code: %s.\r\n", (uint32_t)__func__, (uint32_t)ERR_TO_STR(err_code));
    return err_code;
}

示例#2

文件： nrf_drv_ppi.c 项目： BLEHexapod/nrf_sdk

uint32_t nrf_drv_ppi_group_alloc(nrf_ppi_channel_group_t * p_group)
{
    uint32_t err_code;
    uint32_t mask = 0;
    nrf_ppi_channel_group_t group;

    err_code = NRF_ERROR_NO_MEM;

    mask = NRF_PPI_ALL_APP_GROUPS_MASK;
    for (group = NRF_PPI_CHANNEL_GROUP0; mask != 0; mask &= ~group_to_mask(group), group++)
    {
        CRITICAL_REGION_ENTER();
        if ((mask & group_to_mask(group)) && (!is_allocated_group(group)))
        {
            group_allocated_set(group);
            *p_group = group;
            err_code = NRF_SUCCESS;
        }
        CRITICAL_REGION_EXIT();
        if (err_code == NRF_SUCCESS)
        {
            break;
        }
    }

    return err_code;
}