?? gpifpio0.c
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//
// This program configures the General Purpose Interface (GPIF) for Fx2.
// Parts of this program are automatically generated using the GPIF Tool.
// Please do not modify sections of text which are marked as "DO NOT EDIT ...".
// You can modify the comments section of this GPIF program file using the dropdown menus
// and pop-up dialogs. These controls are available as hot spots in the text. Modifying the
// comments section will generate program code which will implement your GPIF program.
//
// DO NOT EDIT ...
// GPIF Initialization
// Interface Timing Async
// Internal Ready Init IntRdy=1
// CTL Out Tristate-able Tristate
// SingleWrite WF Select 2
// SingleRead WF Select 3
// FifoWrite WF Select 0
// FifoRead WF Select 1
// Data Bus Idle Drive Tristate
// END DO NOT EDIT
// DO NOT EDIT ...
// GPIF Wave Names
// Wave 0 = PIO0WR
// Wave 1 = PIO0RD
// Wave 2 = UNUSED
// Wave 3 = UNUSED
// GPIF Ctrl Outputs Level
// CTL 0 = DIOW CMOS
// CTL 1 = DIOR CMOS
// CTL 2 = DMACK CMOS
// CTL 3 = CTL 3 CMOS
// CTL 4 = CTL 4 CMOS
// CTL 5 = CTL 5 CMOS
// GPIF Rdy Inputs
// RDY0 = IORDY
// RDY1 = RESERVED
// RDY2 = DMARQ
// RDY3 = FLAGD
// RDY4 = RDY4
// RDY5 = RDY5
// FIFOFlag = FIFOFlag
// IntReady = IntReady
// END DO NOT EDIT
// DO NOT EDIT ...
//
// GPIF Waveform 0: PIO0WR
//
// Interval 0 1 2 3 4 5 6 Idle (7)
// _________ _________ _________ _________ _________ _________ _________ _________
//
// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
// DataMode Activate Activate NO Data NO Data NO Data NO Data NO Data
// NextData SameData SameData NextData SameData SameData SameData SameData
// Int Trig No Int No Int No Int No Int No Int No Int No Int
// IF/Wait Wait 10 Wait 1 Wait 10 IF Wait 256 Wait 256 Wait 256
// Term A FIFOFlag
// LFunc OR
// Term B FIFOFlag
// Branch1 ThenIdle
// Branch0 ElseIdle
// DIOW 0 1 1 1 z z z z
// DIOR 1 1 1 1 z z z z
// DMACK 1 1 1 1 z z z z
// CTL 3 1 1 1 1 z z z z
// CTL 4
// CTL 5
//
// END DO NOT EDIT
// DO NOT EDIT ...
//
// GPIF Waveform 1: PIO0RD
//
// Interval 0 1 2 3 4 5 6 Idle (7)
// _________ _________ _________ _________ _________ _________ _________ _________
//
// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
// DataMode NO Data Activate NO Data NO Data NO Data NO Data NO Data
// NextData SameData NextData SameData SameData SameData SameData SameData
// Int Trig No Int No Int No Int No Int No Int No Int No Int
// IF/Wait Wait 8 Wait 10 IF Wait 256 Wait 256 Wait 256 Wait 256
// Term A FIFOFlag
// LFunc AND
// Term B FIFOFlag
// Branch1 ThenIdle
// Branch0 ElseIdle
// DIOW 1 1 1 z z z z z
// DIOR 0 1 1 z z z z z
// DMACK 1 1 1 z z z z z
// CTL 3 1 1 1 z z z z z
// CTL 4
// CTL 5
//
// END DO NOT EDIT
// DO NOT EDIT ...
//
// GPIF Waveform 2: UNUSED
//
// Interval 0 1 2 3 4 5 6 Idle (7)
// _________ _________ _________ _________ _________ _________ _________ _________
//
// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
// DataMode NO Data Activate NO Data NO Data NO Data NO Data NO Data
// NextData SameData NextData SameData SameData SameData SameData SameData
// Int Trig No Int No Int No Int No Int No Int No Int No Int
// IF/Wait Wait 1 Wait 10 Wait 6 IF Wait 256 Wait 256 Wait 256
// Term A FIFOFlag
// LFunc AND
// Term B FIFOFlag
// Branch1 ThenIdle
// Branch0 ElseIdle
// DIOW 1 0 1 1 z z z z
// DIOR 1 1 1 1 z z z z
// DMACK 1 1 1 1 z z z z
// CTL 3 z z z z z z z z
// CTL 4
// CTL 5
//
// END DO NOT EDIT
// DO NOT EDIT ...
//
// GPIF Waveform 3: UNUSED
//
// Interval 0 1 2 3 4 5 6 Idle (7)
// _________ _________ _________ _________ _________ _________ _________ _________
//
// AddrMode Same Val Same Val Same Val Same Val Same Val Same Val Same Val
// DataMode NO Data NO Data Activate NO Data NO Data NO Data NO Data
// NextData SameData SameData SameData SameData SameData SameData SameData
// Int Trig No Int No Int No Int No Int No Int No Int No Int
// IF/Wait Wait 1 Wait 10 Wait 6 IF Wait 256 Wait 256 Wait 256
// Term A FIFOFlag
// LFunc AND
// Term B FIFOFlag
// Branch1 ThenIdle
// Branch0 ElseIdle
// DIOW 1 1 1 1 z z z z
// DIOR 1 0 1 1 z z z z
// DMACK 1 1 1 1 z z z z
// CTL 3 z 1 z z z z z z
// CTL 4
// CTL 5
//
// END DO NOT EDIT
// GPIF Program Code
// DO NOT EDIT ...
#include "fx2.h"
#include "fx2regs.h"
// END DO NOT EDIT
// DO NOT EDIT ...
const char xdata WaveData[128] =
{
// Wave 0
/* LenBr */ 0x0A, 0x01, 0x0A, 0x3F, 0x00, 0x00, 0x00, 0x00,
/* Opcode*/ 0x02, 0x02, 0x04, 0x01, 0x00, 0x00, 0x00, 0x00,
/* Output*/ 0xFE, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
/* LFun */ 0x00, 0x00, 0x00, 0x76, 0x00, 0x00, 0x00, 0x00,
// Wave 1
/* LenBr */ 0x08, 0x0A, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
/* Opcode*/ 0x00, 0x06, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
/* Output*/ 0xFD, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
/* LFun */ 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00,
// Wave 2 UDMA Write
/* LenBr */ 0x08, 0x01, 0x05, 0x1C, 0x03, 0x01, 0x02, 0x01,
/* Opcode*/ 0x01, 0x00, 0x02, 0x03, 0x02, 0x02, 0x26, 0x00,
/* Output*/ 0xFF, 0xFB, 0xFA, 0xFA, 0xF8, 0xF9, 0xC3, 0xFF,
/* LFun */ 0x09, 0x09, 0xA8, 0x09, 0x00, 0x00, 0x36, 0x3F,
// Wave 3 UDMA Read
/* LenBr */ 0x08, 0x01, 0x13, 0x05, 0x01, 0x02, 0x01, 0x01,
/* Opcode*/ 0x01, 0x00, 0x01, 0x00, 0x00, 0x26, 0x26, 0x00,
/* Output*/ 0xFF, 0xFB, 0xF8, 0xFB, 0xFB, 0xFB, 0xFF, 0xFF,
/* LFun */ 0x09, 0x09, 0x09, 0x09, 0x00, 0x2D, 0x36, 0x3F,
};
// END DO NOT EDIT
// DO NOT EDIT ...
const char xdata InitData[7] =
{
/* Regs */ 0x80,0x80,0x00,0x00,0x06,0xB1,0x11
};
// END DO NOT EDIT
void GpifInit( void )
{
BYTE xdata *Source;
BYTE xdata *Dest;
BYTE x;
// GPIFABORT = 0; // abort any pending operation
//GPIFREADY = InitData[0]; // name changed to GPIFREADYCFG in Fx2
GPIFCTLCFG = InitData[1];
GPIFIDLECS = InitData[2];
GPIFIDLECTL = InitData[3];
IFCONFIG = (IFCONFIG & 0xF8) | 0x06; // Set IFCFG to 0x06 - GSTATE & GPIF
//IFCONFIG = InitData[4]; // Bus 16 - No longer present in Fx2
GPIFWFSELECT = InitData[5];
Source = &WaveData[127]; // Transfer the GPIF Tool generated data
Dest = 0xE47F;
for (x = 0; x < 128; x++)
{
*Dest-- = *Source--;
}
// INT4SETUP = INT4SFC | INT4_INTERNAL; // setup INT4 as internal source
// GENIE = 0x01; // Enable GPIF interrupt
// EIEX4 = 0x01;
}
// END DO NOT EDIT
// TO DO: You may add additional code below.
//
#define TMOUT 0x0020 // Default Timeout TODO: Set this appropriately
void OtherInit( void )
{
// interface initialization
CPUCS = 0x02; // don't drive CLKOUT (CLKOE=1=>Not Driving CLKOUT)
IFCONFIG = 0xC6;// use internal FCLK -> FCLKSRC=1 1100 0010
// at 48MHz -> 3048MHZ=1
// don't enable FCLK output -> FCLKOE=0
// don't invert FCLK output polarity -> FCLPOL=0
// sync to FCLK -> ASYNC=0
// output GPIF states -> GSTATE=1
// use GPIF as master -> IFCFG[1..0]=10
GPIFREADYCFG |= 0xC0; // INTRDY=1, SAS=1 (sync), RDY5CFG=0 (Fx2 only)
GPIFABORT= 0x00;
PORTCCFG = 0xFF; // use Port C as alternate function GPIFADR[7:0]
PORTECFG |= 0x80; // use PE7 as alternate function GPIFADR8
EP2FIFOCFG = 0x05; // use 16-bit databus -> WORDWIDE=1
EP4FIFOCFG = 0x05; // commit zero length pkt via ext.
// ... PKTEND pin only -> ZEROLENIN=1
EP6FIFOCFG = 0x05; // 8051 decides if to commit data to
// ... OUT FIFO -> AUTOOUT=0
EP8FIFOCFG = 0x05; // 8051 dispatches an IN pkt by writing
// ... byte count -> AUTOIN=0
// normal active flags -> INFM1=0
// normal active flags -> OEP1=0
EP1OUTCFG = 0xA0; // ep1out is valid BULK OUT 64
EP1INCFG = 0xA0; // ep1in is valid BULK IN 64
// default: all endpoints have their VALID bit set
// default: TYPE1 = 1 and TYPE0 = 0 --> BULK
// default: EP2 and EP4 DIR bits are 0 (OUT direction)
// default: EP6 and EP8 DIR bits are 1 (IN direction)
// default: EP2, EP4, EP6, and EP8 are double buffered
// we are just using the default values, yes this is not necessary...
EP2CFG = 0xA2; // ep2 is valid BULK OUT 512 double buffered
EP4CFG = 0xA0; // ep4 is valid BULK OUT 512 double buffered
EP6CFG = 0xE2; // ep6 is valid BULK IN 512 double buffered
EP8CFG = 0xE0; // ep8 is valid BULK IN 512 double buffered
// The PF is highly configurable...
EP2FIFOPFH = 0x00; // PF=0 when BC > PF -> Decis=0 (1 byte in FIFO)
EP2FIFOPFL = 0x00; // PF and BC refer to the current pkt -> PKTSTAT=0
EP4FIFOPFH = 0x00; // PF=0 when BC > PF -> Decis=0 (1 byte in FIFO)
EP4FIFOPFL = 0x00; // PF and BC refer to the current pkt -> PKTSTAT=0
EP6FIFOPFH = 0x40; // PF=0 when BC <= PF -> Decis=0 (1 byte in FIFO)
EP6FIFOPFL = 0x3F; // PF and BC refer to the current pkt -> PKTSTAT=1
EP8FIFOPFH = 0x40; // PF=0 when BC <= PF -> Decis=0 (1 byte in FIFO)
EP8FIFOPFL = 0x3F; // PF and BC refer to the current pkt -> PKTSTAT=1
EP2AUTOINLENH = 0x00; // EPxPKTLENH/L is for IN's only...
EP2AUTOINLENL = 0x00;
EP4AUTOINLENH = 0x00;
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