SSTV-Decoder/include/derivative.h

#pragma once

#include "CMSIS/MKL25Z4.h"
#include <inttypes.h>

#define q15_t int16_t
#define q31_t int32_t
#define float32_t float
typedef unsigned char uchar;

// Define Clock Settings
#define CORCLK_DEFAULT 20970000u  // Default Core clock, 20.97 Mhz
#define BUSCLK_DEFAULT 10500000u  // Default Bus Rate clock, 10.5 Mhz, half of CORCLK

#define CPU_XTAL_CLK_HZ 8000000u      // Value of the external crystal or oscillator clock frequency in Hz
#define CPU_INT_SLOW_CLK_HZ 32768u    // Value of the slow internal oscillator clock frequency in Hz
#define CPU_INT_FAST_CLK_HZ 4000000u  // Value of the fast internal oscillator clock frequency in Hz

#define UART_MSG UART1

#define PI 3.1415926
#define BIT(x) (1UL << (x))
#define GPIO_OUT(port, pin, mode)                   \
    {                                               \
        GPIO##port->PDDR |= BIT(pin);               \
        PORT##port->PCR[pin] |= PORT_PCR_MUX(mode); \
    }

#define GPIO_IN(port, pin, mode)                    \
    {                                               \
        GPIO##port->PDDR &= ~BIT(pin);              \
        PORT##port->PCR[pin] |= PORT_PCR_MUX(mode); \
        PORT##port->PCR[pin] |= PORT_PCR_PE(0x1);   \
    }

#define ticks_ms (uint32_t)(ticks_50us / 20)

extern uint32_t CORCLK;
extern uint32_t BUSCLK;
extern volatile uint32_t ticks_50us;
extern void SysTick_Handler(void);
extern void UART1_IRQHandler(void);