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/*
* Copyright 2012 Michael Ossmann
* Copyright (C) 2012 Jared Boone
*
* This file is part of HackRF.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* 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 General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include <libopencm3/lpc43xx/sgpio.h>
#include <hackrf_core.h>
volatile uint32_t buffer[4096];
void tx_test() {
sgpio_set_slice_mode(&sgpio_config, false);
sgpio_configure(&sgpio_config, TRANSCEIVER_MODE_TX);
// LSB goes out first, samples are 0x<Q1><I1><Q0><I0>
buffer[0] = 0xda808080;
buffer[1] = 0xda80ff80;
buffer[2] = 0x26808080;
buffer[3] = 0x26800180;
uint32_t i = 0;
sgpio_cpld_stream_enable(&sgpio_config);
while(true) {
while(SGPIO_STATUS_1 == 0);
SGPIO_REG_SS(SGPIO_SLICE_A) = buffer[(i++) & 3];
SGPIO_CLR_STATUS_1 = 1;
}
}
void rx_test() {
sgpio_set_slice_mode(&sgpio_config, false);
sgpio_configure(&sgpio_config, TRANSCEIVER_MODE_RX);
uint32_t i = 0;
sgpio_cpld_stream_enable(&sgpio_config);
while(true) {
while(SGPIO_STATUS_1 == 0);
SGPIO_CLR_STATUS_1 = 1;
buffer[i++ & 4095] = SGPIO_REG_SS(SGPIO_SLICE_A);
}
}
int main(void) {
pin_setup();
enable_1v8_power();
cpu_clock_init();
led_on(LED1);
ssp1_set_mode_max5864();
max5864_setup(&max5864);
max5864_xcvr(&max5864);
while (1) {
}
return 0;
}
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