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/*---------------------------------------------------------------------------------
$Id$
Inter Processor Communication
Copyright (C) 2005
Michael Noland (joat)
Jason Rogers (dovoto)
Dave Murphy (WinterMute)
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.
Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you
must not claim that you wrote the original software. If you use
this software in a product, an acknowledgment in the product
documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source
distribution.
---------------------------------------------------------------------------------*/
#ifndef NDS_IPC_INCLUDE
#define NDS_IPC_INCLUDE
#include <nds/jtypes.h>
//---------------------------------------------------------------------------------
typedef struct sTransferSoundData {
//---------------------------------------------------------------------------------
const void *data;
u32 len;
u32 rate;
u8 vol;
u8 pan;
u8 format;
u8 PADDING;
} TransferSoundData, * pTransferSoundData;
//---------------------------------------------------------------------------------
typedef struct sTransferSound {
//---------------------------------------------------------------------------------
TransferSoundData data[16];
u8 count;
u8 PADDING[3];
} TransferSound, * pTransferSound;
//---------------------------------------------------------------------------------
typedef struct sTransferRegion {
//---------------------------------------------------------------------------------
vint16 touchX, touchY; // TSC X, Y
vint16 touchXpx, touchYpx; // TSC X, Y pixel values
vint16 touchZ1, touchZ2; // TSC x-panel measurements
vuint16 tdiode1, tdiode2; // TSC temperature diodes
vuint32 temperature; // TSC computed temperature
uint16 buttons; // X, Y, /PENIRQ buttons
union {
vuint8 curtime[8]; // current time response from RTC
struct {
vu8 command;
vu8 year; //add 2000 to get 4 digit year
vu8 month; //1 to 12
vu8 day; //1 to (days in month)
vu8 weekday; // day of week
vu8 hours; //0 to 11 for AM, 52 to 63 for PM
vu8 minutes; //0 to 59
vu8 seconds; //0 to 59
} rtc;
} time;
vint32 unixTime;
uint16 battery; // battery life ?? hopefully. :)
uint16 aux; // i have no idea...
// Don't rely on these below, will change or be removed in the future
pTransferSound soundData;
vuint32 mailAddr;
vuint32 mailData;
vuint8 mailRead;
vuint8 mailBusy;
vuint32 mailSize;
} TransferRegion, * pTransferRegion;
static inline
TransferRegion volatile * getIPC(void); // __attribute__ ((deprecated));
static inline
TransferRegion volatile * getIPC(void) {
return (TransferRegion volatile *)(0x027FF000);
}
#define IPC getIPC()
#define IPC_PEN_DOWN BIT(6)
#define IPC_X BIT(0)
#define IPC_Y BIT(1)
#define IPC_LID_CLOSED BIT(7)
//---------------------------------------------------------------------------------
// Synchronization register
//---------------------------------------------------------------------------------
#define REG_IPC_SYNC (*(vuint16*)0x04000180)
enum IPC_SYNC_BITS {
IPC_SYNC_IRQ_ENABLE = BIT(14),
IPC_SYNC_IRQ_REQUEST = BIT(13)
};
//---------------------------------------------------------------------------------
static inline void IPC_SendSync(unsigned int sync) {
//---------------------------------------------------------------------------------
REG_IPC_SYNC = (REG_IPC_SYNC & 0xf0ff) | (((sync) & 0x0f) << 8) | IPC_SYNC_IRQ_REQUEST;
}
//---------------------------------------------------------------------------------
static inline int IPC_GetSync(void) {
//---------------------------------------------------------------------------------
return REG_IPC_SYNC & 0x0f;
}
//---------------------------------------------------------------------------------
// fifo
//---------------------------------------------------------------------------------
#define REG_IPC_FIFO_TX (*(vu32*)0x4000188)
#define REG_IPC_FIFO_RX (*(vu32*)0x4100000)
#define REG_IPC_FIFO_CR (*(vu16*)0x4000184)
enum IPC_CONTROL_BITS {
IPC_FIFO_SEND_EMPTY = (1<<0),
IPC_FIFO_SEND_FULL = (1<<1),
IPC_FIFO_SEND_IRQ = (1<<2),
IPC_FIFO_SEND_CLEAR = (1<<3),
IPC_FIFO_RECV_EMPTY = (1<<8),
IPC_FIFO_RECV_FULL = (1<<9),
IPC_FIFO_RECV_IRQ = (1<<10),
IPC_FIFO_ERROR = (1<<14),
IPC_FIFO_ENABLE = (1<<15)
};
#endif // NDS_IPC_INCLUDE
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