#include <stdio.h>
#include <errno.h>
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <inttypes.h>
#include <libopencm3/stm32/rcc.h>
#include <libopencm3/stm32/gpio.h>
#include <libopencm3/stm32/usart.h>
#include <libopencm3/stm32/dma.h>
#include <libopencm3/stm32/flash.h>
#include <libopencm3/stm32/i2c.h>
#include <libopencm3/stm32/spi.h>
#include <libopencm3/stm32/adc.h>
#include <libopencm3/stm32/exti.h>
#include <libopencm3/stm32/pwr.h>
#include <libopencm3/stm32/timer.h>
#include <libopencm3/ethernet/mac_stm32fxx7.h>
#include <libopencm3/ethernet/phy.h>
#include <libopencm3/stm32/syscfg.h>
#include <libopencm3/cm3/systick.h>
#include <libopencm3/cm3/nvic.h>
#include <libopencm3/cm3/cortex.h>
#include <libopencm3/cm3/scs.h>
#include <libopencm3/cm3/scb.h>


#include <lwip/init.h>
#include <lwip/sys.h>
#include <lwip/udp.h>
#include <lwip/mem.h>
#include <lwip/memp.h>
#include <lwip/timers.h>
#include <lwip/timers.h>
#include <netif/etharp.h>

#include "time_fn.h"

#include "pins.h"

#include "events.h"
#include "ring.h"
#include "ubx.h"
#include "gps.h"

#include "prototypes.h"

//#define HZ 10000000
#define HZ   10000000

//#define HZ 167999973
//#define HZ 168000000
//#define HZ 167968615
//#define HZ 165925490
//#define HZ 167996682
//

#if 0
#define HW_CLOCK_REG SCS_DWT_CYCCNT
#define HW_CLOCK_LEN 32
#elif 0
#define HW_CLOCK_REG ETH_PTPTSLR
#define HW_CLOCK_LEN 31
#else
#define HW_CLOCK_REG TIM2_CNT
#define HW_CLOCK_LEN 32
#endif

#define TRACE do { stdio_drain(); printf("%s:%d\r\n",__FUNCTION__,__LINE__); } while (0)

extern const unsigned char almanac_alp[];
extern unsigned int almanac_alp_len;