diff options
Diffstat (limited to 'unittest/ofdm_mem.c')
| -rw-r--r-- | unittest/ofdm_mem.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/unittest/ofdm_mem.c b/unittest/ofdm_mem.c new file mode 100644 index 0000000..c87f067 --- /dev/null +++ b/unittest/ofdm_mem.c @@ -0,0 +1,107 @@ +/*---------------------------------------------------------------------------*\ + + FILE........: ofdm_mem.c + AUTHOR......: Don Reid + DATE CREATED: 11 June 2018 + + Prints out the memory used by the OFDM modem states. Used to optimise + memory use for the STM32F4 port. + +\*---------------------------------------------------------------------------*/ + +/* + Copyright (C) 2018 Don Reid + + All rights reserved. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License version 2.1, as + published by the Free Software Foundation. This program is + distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <math.h> +#include <complex.h> + +#include "codec2_ofdm.h" +#include "ofdm_internal.h" + +int main() +{ + struct OFDM_CONFIG *ofdm_config; + struct OFDM *ofdm; + + ofdm = ofdm_create(NULL); + assert(ofdm != NULL); + + /* Get a copy of the actual modem config */ + ofdm_config = ofdm_get_config_param(ofdm); + + int ofdm_m = (int) (ofdm_config->fs / ofdm_config->rs); /* 144 */ + int ofdm_ncp = (int) (ofdm_config->tcp * ofdm_config->fs); /* 16 */ + int ofdm_bitsperframe = (ofdm_config->ns - 1) * (ofdm_config->nc * ofdm_config->bps); + int ofdm_rowsperframe = ofdm_bitsperframe / (ofdm_config->nc * ofdm_config->bps); + int ofdm_samplesperframe = ofdm_config->ns * (ofdm_m + ofdm_ncp); + int ofdm_rxbuf = 3 * ofdm_samplesperframe + 3 * (ofdm_m + ofdm_ncp); + int ofdm_nuwbits = (ofdm_config->ns - 1) * ofdm_config->bps - ofdm_config->txtbits; + + int used = 0; + + printf("struct OFDM.................: %zd\n", sizeof(struct OFDM)); + printf("config......................: %zd\n", sizeof(struct OFDM_CONFIG)); + used += sizeof(struct OFDM_CONFIG); + printf("pilot_samples...............: %zd\n", sizeof (complex float) * (ofdm_m + ofdm_ncp)); + used += sizeof (complex float) * (ofdm_m + ofdm_ncp); + printf("rxbuf.......................: %zd\n", sizeof (complex float) * ofdm_rxbuf); + used += sizeof (complex float) * ofdm_rxbuf; + printf("pilots......................: %zd\n", sizeof (complex float) * (ofdm_config->nc + 2)); + used += sizeof (complex float) * (ofdm_config->nc + 2); + + size_t rxsym_size = sizeof (complex float) * (ofdm_config->ns + 3) * (ofdm_config->nc + 2); + + printf("rx_sym......................: %zd\n", rxsym_size); + used += rxsym_size; + printf("rx_np.......................: %zd\n", sizeof (complex float) * (ofdm_rowsperframe * ofdm_config->nc)); + used += sizeof (complex float) * (ofdm_rowsperframe * ofdm_config->nc); + printf("rx_amp......................: %zd\n", sizeof (float) * (ofdm_rowsperframe * ofdm_config->nc)); + used += sizeof (float) * (ofdm_rowsperframe * ofdm_config->nc); + printf("aphase_est_pilot_log........: %zd\n", sizeof (float) * (ofdm_rowsperframe * ofdm_config->nc)); + used += sizeof (float) * (ofdm_rowsperframe * ofdm_config->nc); + printf("tx_uw.......................: %zd\n", sizeof (int) * ofdm_nuwbits); + used += sizeof (int) * ofdm_nuwbits; + printf("sync_state..................: %zd\n", sizeof (State)); + used += sizeof (State); + printf("last_sync_state.............: %zd\n", sizeof (State)); + used += sizeof (State); + printf("sync_state_interleaver......: %zd\n", sizeof (State)); + used += sizeof (State); + printf("last_sync_state_interleaver.: %zd\n", sizeof (State)); + used += sizeof (State); + + // add in non-array sizes + int single = 0; + single += 8 * sizeof(int); + single += 13 * sizeof(float); + single += 1 * sizeof(complex float); + single += 1 * sizeof(float *); + single += 4 * sizeof(bool); + printf("single values...............: %d\n", single); + used += single; + + printf("Total used .................: %zd\n", (size_t) used); + + ofdm_destroy(ofdm); + + return 0; +} + |