86 lines
1.9 KiB
C

/*
* 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/gpio.h>
#include <libopencm3/lpc43xx/scu.h>
#include <libopencm3/lpc43xx/sgpio.h>
#include <libopencm3/lpc43xx/cgu.h>
#include <libopencm3/cm3/scs.h>
#include <hackrf_core.h>
#include <max5864.h>
#include <sgpio.h>
void tx_test() {
sgpio_configure(TRANSCEIVER_MODE_TX, false);
// LSB goes out first, samples are 0x<Q1><I1><Q0><I0>
volatile uint32_t buffer[] = {
0xda808080,
0xda80ff80,
0x26808080,
0x26800180,
};
uint32_t i = 0;
sgpio_cpld_stream_enable();
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_configure(TRANSCEIVER_MODE_RX, false);
volatile uint32_t buffer[4096];
uint32_t i = 0;
sgpio_cpld_stream_enable();
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();
ssp1_init();
gpio_set(PORT_LED1_3, PIN_LED1);
ssp1_set_mode_max5864();
max5864_xcvr();
while (1) {
}
return 0;
}