mirror of https://github.com/AxioDL/jbus.git
189 lines
5.5 KiB
C++
189 lines
5.5 KiB
C++
#ifndef JBUS_COMMON_HPP
|
|
#define JBUS_COMMON_HPP
|
|
|
|
#include <functional>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
namespace jbus
|
|
{
|
|
|
|
using s8 = int8_t;
|
|
using u8 = uint8_t;
|
|
using s16 = int16_t;
|
|
using u16 = uint16_t;
|
|
using s32 = int32_t;
|
|
using u32 = uint32_t;
|
|
using s64 = int64_t;
|
|
using u64 = uint64_t;
|
|
|
|
#ifndef DOXYGEN_SHOULD_SKIP_THIS
|
|
|
|
#undef bswap16
|
|
#undef bswap32
|
|
#undef bswap64
|
|
|
|
/* Type-sensitive byte swappers */
|
|
template <typename T>
|
|
static inline T bswap16(T val)
|
|
{
|
|
#if __GNUC__
|
|
return __builtin_bswap16(val);
|
|
#elif _WIN32
|
|
return _byteswap_ushort(val);
|
|
#else
|
|
return (val = (val << 8) | ((val >> 8) & 0xFF));
|
|
#endif
|
|
}
|
|
|
|
template <typename T>
|
|
static inline T bswap32(T val)
|
|
{
|
|
#if __GNUC__
|
|
return __builtin_bswap32(val);
|
|
#elif _WIN32
|
|
return _byteswap_ulong(val);
|
|
#else
|
|
val = (val & 0x0000FFFF) << 16 | (val & 0xFFFF0000) >> 16;
|
|
val = (val & 0x00FF00FF) << 8 | (val & 0xFF00FF00) >> 8;
|
|
return val;
|
|
#endif
|
|
}
|
|
|
|
template <typename T>
|
|
static inline T bswap64(T val)
|
|
{
|
|
#if __GNUC__
|
|
return __builtin_bswap64(val);
|
|
#elif _WIN32
|
|
return _byteswap_uint64(val);
|
|
#else
|
|
return ((val & 0xFF00000000000000ULL) >> 56) |
|
|
((val & 0x00FF000000000000ULL) >> 40) |
|
|
((val & 0x0000FF0000000000ULL) >> 24) |
|
|
((val & 0x000000FF00000000ULL) >> 8) |
|
|
((val & 0x00000000FF000000ULL) << 8) |
|
|
((val & 0x0000000000FF0000ULL) << 24) |
|
|
((val & 0x000000000000FF00ULL) << 40) |
|
|
((val & 0x00000000000000FFULL) << 56);
|
|
#endif
|
|
}
|
|
|
|
|
|
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
static inline int16_t SBig(int16_t val) {return bswap16(val);}
|
|
static inline uint16_t SBig(uint16_t val) {return bswap16(val);}
|
|
static inline int32_t SBig(int32_t val) {return bswap32(val);}
|
|
static inline uint32_t SBig(uint32_t val) {return bswap32(val);}
|
|
static inline int64_t SBig(int64_t val) {return bswap64(val);}
|
|
static inline uint64_t SBig(uint64_t val) {return bswap64(val);}
|
|
static inline float SBig(float val)
|
|
{
|
|
int32_t ival = bswap32(*((int32_t*)(&val)));
|
|
return *((float*)(&ival));
|
|
}
|
|
static inline double SBig(double val)
|
|
{
|
|
int64_t ival = bswap64(*((int64_t*)(&val)));
|
|
return *((double*)(&ival));
|
|
}
|
|
#ifndef SBIG
|
|
#define SBIG(q) ( ( (q) & 0x000000FF ) << 24 | ( (q) & 0x0000FF00 ) << 8 \
|
|
| ( (q) & 0x00FF0000 ) >> 8 | ( (q) & 0xFF000000 ) >> 24 )
|
|
#endif
|
|
|
|
static inline int16_t SLittle(int16_t val) {return val;}
|
|
static inline uint16_t SLittle(uint16_t val) {return val;}
|
|
static inline int32_t SLittle(int32_t val) {return val;}
|
|
static inline uint32_t SLittle(uint32_t val) {return val;}
|
|
static inline int64_t SLittle(int64_t val) {return val;}
|
|
static inline uint64_t SLittle(uint64_t val) {return val;}
|
|
static inline float SLittle(float val) {return val;}
|
|
static inline double SLittle(double val) {return val;}
|
|
#ifndef SLITTLE
|
|
#define SLITTLE(q) (q)
|
|
#endif
|
|
#else
|
|
static inline int16_t SLittle(int16_t val) {return bswap16(val);}
|
|
static inline uint16_t SLittle(uint16_t val) {return bswap16(val);}
|
|
static inline int32_t SLittle(int32_t val) {return bswap32(val);}
|
|
static inline uint32_t SLittle(uint32_t val) {return bswap32(val);}
|
|
static inline int64_t SLittle(int64_t val) {return bswap64(val);}
|
|
static inline uint64_t SLittle(uint64_t val) {return bswap64(val);}
|
|
static inline float SLittle(float val)
|
|
{
|
|
int32_t ival = bswap32(*((int32_t*)(&val)));
|
|
return *((float*)(&ival));
|
|
}
|
|
static inline double SLittle(double val)
|
|
{
|
|
int64_t ival = bswap64(*((int64_t*)(&val)));
|
|
return *((double*)(&ival));
|
|
}
|
|
#ifndef SLITTLE
|
|
#define SLITTLE(q) ( ( (q) & 0x000000FF ) << 24 | ( (q) & 0x0000FF00 ) << 8 \
|
|
| ( (q) & 0x00FF0000 ) >> 8 | ( (q) & 0xFF000000 ) >> 24 )
|
|
#endif
|
|
|
|
static inline int16_t SBig(int16_t val) {return val;}
|
|
static inline uint16_t SBig(uint16_t val) {return val;}
|
|
static inline int32_t SBig(int32_t val) {return val;}
|
|
static inline uint32_t SBig(uint32_t val) {return val;}
|
|
static inline int64_t SBig(int64_t val) {return val;}
|
|
static inline uint64_t SBig(uint64_t val) {return val;}
|
|
static inline float SBig(float val) {return val;}
|
|
static inline double SBig(double val) {return val;}
|
|
#ifndef SBIG
|
|
#define SBIG(q) (q)
|
|
#endif
|
|
#endif
|
|
|
|
class Endpoint;
|
|
class ThreadLocalEndpoint;
|
|
|
|
#endif
|
|
|
|
enum EJStatFlags
|
|
{
|
|
GBA_JSTAT_MASK = 0x3a,
|
|
GBA_JSTAT_FLAGS_SHIFT = 4,
|
|
GBA_JSTAT_FLAGS_MASK = 0x30,
|
|
GBA_JSTAT_PSF1 = 0x20,
|
|
GBA_JSTAT_PSF0 = 0x10,
|
|
GBA_JSTAT_SEND = 0x08,
|
|
GBA_JSTAT_RECV = 0x02
|
|
};
|
|
|
|
enum EJoyReturn
|
|
{
|
|
GBA_READY = 0,
|
|
GBA_NOT_READY = 1,
|
|
GBA_BUSY = 2,
|
|
GBA_JOYBOOT_UNKNOWN_STATE = 3,
|
|
GBA_JOYBOOT_ERR_INVALID = 4
|
|
};
|
|
|
|
/** @brief Standard callback for asynchronous jbus::Endpoint APIs.
|
|
* @param endpoint Thread-local Endpoint interface for optionally issuing next command in sequence.
|
|
* @param status GBA_READY if connection is still open, GBA_NOT_READY if connection lost. */
|
|
using FGBACallback = std::function<void(ThreadLocalEndpoint& endpoint, EJoyReturn status)>;
|
|
|
|
/** @brief Get host system's timebase scaled into Dolphin ticks.
|
|
* @return Scaled ticks from host timebase. */
|
|
u64 GetGCTicks();
|
|
|
|
/** @brief Wait an approximate Dolphin tick duration (avoid using, it's rather inaccurate).
|
|
* @param ticks CPU ticks to wait. */
|
|
void WaitGCTicks(u64 ticks);
|
|
|
|
/** @brief Obtain CPU ticks per second of Dolphin hardware (clock speed).
|
|
* @return 486Mhz - always. */
|
|
static constexpr u64 GetGCTicksPerSec() { return 486000000ull; }
|
|
|
|
/** @brief Initialize platform specifics of JBus library */
|
|
void Initialize();
|
|
|
|
}
|
|
|
|
#endif // JBUS_COMMON_HPP
|