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/*
* core.h
*
* Created on: 24 Oct 2019
* Author: mmalex
*/
#ifndef SRC_CORE_H_
#define SRC_CORE_H_
#include "config.h"
#ifdef EMU
#include <stdint.h>
#ifdef _WIN32
#include <io.h>
#include <Windows.h>
static inline void HAL_Delay(int ms) { Sleep(ms); }
#else // wasm?
static inline void HAL_Delay(int ms) { }
#endif
#endif
#ifdef __APPLE__
#include <unistd.h>
#define _write write
#endif
#include <stdarg.h>
#include <stdio.h>
typedef int8_t s8;
typedef int16_t s16;
typedef int32_t s32;
typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
#ifndef __cplusplus
typedef char bool;
#define true 1
#define false 0
#endif
#define PI 3.141592653589793f
void DebugLog(const char *fmt, ...);
#ifndef EMU
#define EmuDebugLog(...)
static inline u32 millis(void) { return HAL_GetTick(); }
static inline u32 micros(void) { return TIM5->CNT; }
#else
#define EmuDebugLog DebugLog
#endif
static inline int mini(int a,int b) { return (a<b)?a:b; }
static inline int maxi(int a,int b) { return (a>b)?a:b; }
static inline float minf(float a,float b) { return (a<b)?a:b; }
static inline float maxf(float a,float b) { return (a>b)?a:b; }
static inline int clampi(int x, int a, int b) { return mini(maxi(x,a),b); }
static inline float clampf(float x, float a, float b) { return minf(maxf(x,a),b); }
static inline float squaref(float x) { return x*x; }
static inline float lerp(float a, float b, float t){ return a+(b-a)*t; }
static inline u8 triangle(u8 x) {
return (x < 128) ? x * 2 : (511 - x * 2);
}
static inline float smoothstep01(float x) { return x * x*(3.f - (x + x)); }
static inline float smoothstep(float mn, float mx, float x) { if (x <= mn) return 0.f; if (x >= mx) return 1.f; return smoothstep01((x - mn)*(1.f / (mx - mn))); }
#ifndef EMU
#define likely(x) __builtin_expect((x), 1)
#define unlikely(x) __builtin_expect((x), 0)
#else
#define likely(x) (x)
#define unlikely(x) (x)
#endif
static inline void denormals_init(void) {
// no denormals
#ifndef EMU
uint32_t fcspr = __get_FPSCR();
__set_FPSCR(fcspr | (1 << 24));
#endif
}
void DebugLog(const char *fmt, ...);
typedef struct TickCounter {
uint32_t starttime;
int total;
int max;
int n;
} TickCounter;
#ifdef EMU
#ifdef _WIN32
LARGE_INTEGER pffreq,pfstart;
static inline uint64_t emu_rdtsc(void) {
LARGE_INTEGER now;
QueryPerformanceCounter(&now);
return (((now.QuadPart-pfstart.QuadPart)*80000000) / pffreq.QuadPart);
}
#define RDTSC() emu_rdtsc()
static inline u32 millis(void) { return RDTSC()/80000; }
static inline u32 micros(void) { return RDTSC()/80; }
static inline void tc_init(void) {
QueryPerformanceFrequency(&pffreq);
QueryPerformanceCounter(&pfstart);
}
#elif defined(__APPLE__)
#include <mach/mach_time.h>
uint64_t time_start;
mach_timebase_info_data_t timebase_info;
static inline uint64_t emu_rdtsc(void) {
uint64_t time_now = mach_absolute_time();
uint64_t time_elapsed = time_now - time_start;
return (time_elapsed * timebase_info.numer * 80) / (1000 * timebase_info.denom);
}
#define RDTSC() emu_rdtsc()
static inline u32 millis(void) { return RDTSC()/80000; }
static inline u32 micros(void) { return RDTSC()/80; }
static inline void tc_init(void) {
mach_timebase_info(&timebase_info);
time_start = mach_absolute_time();
}
#else // wasm
int _millis;
#define RDTSC() (0)
static inline u32 millis(void) { return _millis; }
static inline u32 micros(void) { return _millis*1000; }
static inline void tc_init(void) { }
#endif
#else // hw
#define RDTSC() (DWT->CYCCNT)
static inline void tc_init(void) {
DWT->CTRL |= 1 ;
DWT->CYCCNT = 0; // reset the counter
}
#endif
static inline void tc_start(TickCounter *r) {
r->starttime = RDTSC();
}
static inline void tc_stop(TickCounter *r) {
if (!r->starttime)
return;
int c=RDTSC() - r->starttime;
r->n++;
r->max=maxi(r->max, c);
r->total+=c;
}
static inline void tc_reset(TickCounter *r) {
r->total=0;
r->max=0;
r->n=0;
}
static inline void tc_log(TickCounter *r, const char *nm) {
if (!r->n) return;
TickCounter tc=*r;
tc_reset(r);
DebugLog("%s - %d mx:%d %d / ",nm, tc.total/tc.n, tc.max, tc.n);
}
#ifdef IMPL
void DebugLog(const char *fmt, ...) {
#if defined DEBUG || defined _DEBUG
static bool logging=false;
if (logging) return;
logging=true;
#ifndef EMU
while (huart3.gState != HAL_UART_STATE_READY);
#endif
#ifdef WASM
va_list args;
va_start(args, fmt);
int n = vprintf(fmt, args);
#else
char buf[256];
va_list args;
va_start(args, fmt);
int n = vsnprintf(buf, sizeof(buf), fmt, args);
va_end(args);
#ifdef EMU
_write(1,buf,n);
#else
//HAL_UART_Transmit_IT(&huart3, (u8*) buf, n);
HAL_UART_Transmit(&huart3, (u8*) buf, n, 1000);
#endif
#endif
logging=false;
#endif
}
#endif
#endif /* SRC_CORE_H_ */
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