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{$ifdef NDS_INTERFACE}
type
FifoChannels = integer;
const
FIFO_PM : FifoChannels = 0;
FIFO_SOUND : FifoChannels = 1;
FIFO_SYSTEM : FifoChannels = 2;
FIFO_MAXMOD : FifoChannels = 3;
FIFO_DSWIFI : FifoChannels = 4;
FIFO_SDMMC : FifoChannels = 5;
FIFO_FIRMWARE: FifoChannels = 6;
FIFO_RSVD_01 : FifoChannels = 7;
FIFO_USER_01 : FifoChannels = 8;
FIFO_USER_02 : FifoChannels = 9;
FIFO_USER_03 : FifoChannels = 10;
FIFO_USER_04 : FifoChannels = 11;
FIFO_USER_05 : FifoChannels = 12;
FIFO_USER_06 : FifoChannels = 13;
FIFO_USER_07 : FifoChannels = 14;
FIFO_USER_08 : FifoChannels = 15;
type
FifoSoundCommand = integer;
const
SOUND_SET_PAN : FifoSoundCommand = ( 0 shl 20);
SOUND_SET_VOLUME : FifoSoundCommand = ( 1 shl 20);
SOUND_SET_FREQ : FifoSoundCommand = ( 2 shl 20);
SOUND_SET_WAVEDUTY : FifoSoundCommand = ( 3 shl 20);
SOUND_MASTER_ENABLE : FifoSoundCommand = ( 4 shl 20);
SOUND_MASTER_DISABLE : FifoSoundCommand = ( 5 shl 20);
SOUND_PAUSE : FifoSoundCommand = ( 6 shl 20);
SOUND_RESUME : FifoSoundCommand = ( 7 shl 20);
SOUND_KILL : FifoSoundCommand = ( 8 shl 20);
SET_MASTER_VOL : FifoSoundCommand = ( 9 shl 20);
MIC_STOP : FifoSoundCommand = (10 shl 20);
type
FifoSystemCommands = integer;
const
SYS_REQ_TOUCH : FifoSystemCommands = 0;
SYS_REQ_KEYS : FifoSystemCommands = 1;
SYS_REQ_TIME : FifoSystemCommands = 2;
SYS_SET_TIME : FifoSystemCommands = 3;
SDMMC_INSERT : FifoSystemCommands = 4;
SDMMC_REMOVE : FifoSystemCommands = 5;
type
FifoSdmmcCommands = integer;
const
SDMMC_HAVE_SD : FifoSystemCommands = 0;
SDMMC_SD_START : FifoSystemCommands = 1;
SDMMC_SD_IS_INSERTED : FifoSystemCommands = 2;
SDMMC_SD_STOP : FifoSystemCommands = 3;
SDMMC_NAND_START : FifoSystemCommands = 4;
SDMMC_NAND_STOP : FifoSystemCommands = 5;
type
FifoFirmwareCommands = integer;
const
FW_READ = 0;
FW_WRITE = 1;
type
FifoPMCommands = integer;
const
PM_REQ_ON : FifoPMCommands = (1 shl 16);
PM_REQ_OFF : FifoPMCommands = (2 shl 16);
PM_REQ_LED : FifoPMCommands = (3 shl 16);
PM_REQ_SLEEP : FifoPMCommands = (4 shl 16);
PM_REQ_SLEEP_DISABLE : FifoPMCommands = (5 shl 16);
PM_REQ_SLEEP_ENABLE : FifoPMCommands = (6 shl 16);
PM_REQ_BATTERY : FifoPMCommands = (7 shl 16);
PM_DSI_HACK : FifoPMCommands = (8 shl 16);
type
FifoWifiCommands = integer;
const
WIFI_ENABLE : FifoWifiCommands = 0;
WIFI_DISABLE : FifoWifiCommands = 1;
WIFI_SYNC : FifoWifiCommands = 2;
WIFI_STARTUP : FifoWifiCommands = 3;
type
PM_LedBlinkMode = integer;
const
PM_LED_ON : PM_LedBlinkMode = 0;
PM_LED_SLEEP: PM_LedBlinkMode = 1;
PM_LED_BLINK: PM_LedBlinkMode = 3;
//var
// fifo_buffer: array [0..FIFO_BUFFER_ENTRIES*2-1] of cuint32; cvar; external;
{$ifdef FIFO_RIGOROUS_ERROR_CHECKING}
function fifoError(value: pchar; array of const): integer; cdecl; external;// expected to be defined externally.
{$endif}
type // FUNCTION(...):POINTER or PROCEDURE?!?
FifoAddressHandlerFunc = function(address, userdata: pointer): pointer;
FifoValue32HandlerFunc = function(value32: cuint32; userdata: pointer): pointer;
FifoDatamsgHandlerFunc = function(num_bytes: integer; userdata: pointer): pointer;
function fifoInit(): cbool; cdecl; external;
function fifoSendAddress(channel: integer; address: pointer): cbool; cdecl; external;
function fifoSendValue32(channel: integer; value32: cuint32): cbool; cdecl; external;
function fifoSendDatamsg(channel, num_bytes: integer; data_array: pcuint8): cbool; cdecl; external;
function fifoSetAddressHandler(channel: integer; newhandler: FifoAddressHandlerFunc; userdata: pointer): cbool; cdecl; external;
function fifoSetValue32Handler(channel: integer; newhandler: FifoValue32HandlerFunc; userdata: pointer): cbool; cdecl; external;
function fifoSetDatamsgHandler(channel: integer; newhandler: FifoDatamsgHandlerFunc; userdata: pointer): cbool; cdecl; external;
function fifoCheckAddress(channel: integer): cbool; cdecl; external;
function fifoCheckValue32(channel: integer): cbool; cdecl; external;
function fifoCheckDatamsg(channel: integer): cbool; cdecl; external;
function fifoCheckDatamsgLength(channel: integer): cint; cdecl; external;
function fifoGetAddress(channel: integer): pointer; cdecl; external;
function fifoGetValue32(channel: integer): cuint32; cdecl; external;
function fifoGetDatamsg(channel, buffersize: cint; destbuffer: pcuint8): cint; cdecl; external;
procedure fifoWaitValue32(channel: cint); inline;
{$endif NDS_INTERFACE}
{$ifdef NDS_IMPLEMENTATION}
procedure fifoWaitValue32(channel: cint); inline;
begin
while (not fifoCheckValue32(channel)) do
begin
swiIntrWait(1, IRQ_FIFO_NOT_EMPTY);
end;
end;
{$endif NDS_IMPLEMENTATION}
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