obd_iso15765/BleCanBoxCode/NRF51802/components/libraries/ic_info/nrf_ic_info.c

/* Copyright (c) 2015 Nordic Semiconductor. All Rights Reserved.
 *
 * The information contained herein is property of Nordic Semiconductor ASA.
 * Terms and conditions of usage are described in detail in NORDIC
 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 *
 */

#include "nrf_ic_info.h"
#include "nrf.h"

#define PART_NO_NRF51 0x01
#define PART_NO_NRF52 0x06

void nrf_ic_info_get(nrf_ic_info_t * p_ic_info)
{
    uint32_t ic_data    = ((*((uint32_t volatile *)0xF0000FE8)) & 0x000000F0) >> 4;
    uint32_t ic_part_no = ((*((uint32_t volatile *)0xF0000FE0)) & 0x000000FF);

    switch (ic_part_no)
    {
#if defined(NRF51)
        case PART_NO_NRF51:
        {
            p_ic_info->ram_size   = (uint16_t) NRF_FICR->NUMRAMBLOCK;
            p_ic_info->ram_size   *= (uint16_t) (NRF_FICR->SIZERAMBLOCKS / 1024);
            p_ic_info->flash_size = (uint16_t) NRF_FICR->CODESIZE;

            switch (ic_data)
            {
                /** IC revision 1 */
                case 1:
                    p_ic_info->ic_revision = IC_REVISION_NRF51_REV1;
                    break;

                /** IC revision 2 */
                case 4:
                    p_ic_info->ic_revision = IC_REVISION_NRF51_REV2;
                    break;

                /** IC revision 3 */
                case 7:
                    /* fall through */
                case 8:
                    /* fall through */
                case 9:
                    p_ic_info->ic_revision = IC_REVISION_NRF51_REV3;
                    break;

                default:
                    p_ic_info->ic_revision = IC_REVISION_NRF51_UNKNOWN;
                    break;
            }
            break;
        }
#endif
        default:
            p_ic_info->ic_revision = IC_PART_UNKNOWN;
            p_ic_info->flash_size  = 0;
            p_ic_info->ram_size    = 0;
            break;
    }
}