hackrf/firmware/mixertx/mixertx.c
2012-06-14 10:40:37 -06:00

90 lines
2.2 KiB
C

/*
* Copyright 2012 Michael Ossmann
*
* 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/i2c.h>
#include <libopencm3/lpc43xx/ssp.h>
#include "hackrf_core.h"
#include "max2837.h"
#include "rffc5071.h"
void pin_setup(void)
{
/* Configure SCU Pin Mux as GPIO */
scu_pinmux(SCU_PINMUX_LED1, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_LED2, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_LED3, SCU_GPIO_FAST);
scu_pinmux(SCU_PINMUX_EN1V8, SCU_GPIO_FAST);
/* Configure all GPIO as Input (safe state) */
GPIO0_DIR = 0;
GPIO1_DIR = 0;
GPIO2_DIR = 0;
GPIO3_DIR = 0;
GPIO4_DIR = 0;
GPIO5_DIR = 0;
GPIO6_DIR = 0;
GPIO7_DIR = 0;
/* Configure GPIO2[1/2/8] (P4_1/2 P6_12) as output. */
GPIO2_DIR |= (PIN_LED1|PIN_LED2|PIN_LED3);
/* GPIO3[6] on P6_10 as output. */
GPIO3_DIR |= PIN_EN1V8;
}
int main(void)
{
const uint32_t freq = 2441000000U;
pin_setup();
gpio_set(PORT_EN1V8, PIN_EN1V8); /* 1V8 on */
cpu_clock_init();
gpio_set(PORT_LED1_3, (PIN_LED1)); /* LED1 on */
max2837_setup();
rffc5071_init();
gpio_set(PORT_LED1_3, (PIN_LED2)); /* LED2 on */
/* FIXME testing serial reads */
while (1) {
//rffc5071_init();
//rffc5071_reg_write(0x7a, 0xf0ca);
if (rffc5071_reg_read(0x00) == 0xbefb)
gpio_set(PORT_LED1_3, (PIN_LED3)); /* LED3 on */
else
gpio_clear(PORT_LED1_3, (PIN_LED3)); /* LED3 off */
}
max2837_set_frequency(freq);
max2837_start();
max2837_tx();
gpio_set(PORT_LED1_3, (PIN_LED3)); /* LED3 on */
while (1);
max2837_stop();
return 0;
}