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WiringPi
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Removed redundant files

pull/44/head
Phil Howard 8 years ago
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commit
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18 changed files with 0 additions and 1605 deletions
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  1. +0
    -7
      README
  2. +0
    -94
      examples/gertboard.c
  3. BIN
      examples/gertboard.png
  4. +0
    -71
      examples/piface.c
  5. +0
    -111
      examples/test1.c
  6. +0
    -58
      examples/test2.c
  7. +0
    -59
      examples/tone.c
  8. BIN
      gpio/gpio
  9. +0
    -9
      wiringPi/README
  10. +0
    -122
      wiringPi/gertboard.c
  11. +0
    -39
      wiringPi/gertboard.h
  12. +0
    -380
      wiringPi/lcd.c
  13. +0
    -46
      wiringPi/lcd.h
  14. BIN
      wiringPi/libwiringPi.so.1.0
  15. +0
    -113
      wiringPi/piNes.c
  16. +0
    -45
      wiringPi/piNes.h
  17. +0
    -89
      wiringPi/q2w.c
  18. +0
    -362
      wiringPi/wiringPiFace.c

+ 0
- 7
README View File

@@ -1,7 +0,0 @@

WiringPi: An implementation of most of the Arduino Wiring
functions for the Raspberry Pi

Full details at:
https://projects.drogon.net/raspberry-pi/wiringpi/


+ 0
- 94
examples/gertboard.c View File

@@ -1,94 +0,0 @@
/*
* gertboard.c:
* Simple test for the SPI bus on the Gertboard
*
* Hardware setup:
* D/A port 0 jumpered to A/D port 0.
*
* We output a sine wave on D/A port 0 and sample A/D port 0. We then
* copy this value to D/A port 1 and use a 'scope on both D/A ports
* to check all's well.
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <stdio.h>
#include <stdint.h>
#include <math.h>

#define B_SIZE 200
#undef DO_TIMING

#include <wiringPi.h>
#include <gertboard.h>

int main (void)
{
double angle ;
int i ;
uint32_t x1 ;
int buffer [B_SIZE] ;

#ifdef DO_TIMING
unsigned int now, then ;
#endif

printf ("Raspberry Pi Gertboard SPI test program\n") ;

if (wiringPiSetupSys () < 0)
return -1 ;

if (gertboardSPISetup () < 0)
return 1 ;

// Generate a Sine Wave

for (i = 0 ; i < B_SIZE ; ++i)
{
angle = ((double)i / (double)B_SIZE) * M_PI * 2.0 ;
buffer [i] = (int)rint ((sin (angle)) * 127.0 + 128.0) ;
}


for (;;)
{
#ifdef DO_TIMING
then = millis () ;
#endif

for (i = 0 ; i < B_SIZE ; ++i)
{
gertboardAnalogWrite (0, buffer [i]) ;

#ifndef DO_TIMING
x1 = gertboardAnalogRead (0) ;
gertboardAnalogWrite (1, x1 >> 2) ; // 10-bit A/D, 8-bit D/A
#endif
}

#ifdef DO_TIMING
now = millis () ;
printf ("%4d mS, %9.7f S/sample", now - then, ((double)(now - then) / 1000.0) / (double)B_SIZE) ;
printf (" -> %9.4f samples/sec \n", 1 / (((double)(now - then) / 1000.0) / (double)B_SIZE)) ;
#endif
}

return 0 ;
}

BIN
examples/gertboard.png View File

Before After
Width: 400  |  Height: 240  |  Size: 4.7 KiB

+ 0
- 71
examples/piface.c View File

@@ -1,71 +0,0 @@
/*
* piFace.c:
* Simple test for the PiFace interface board.
*
* Read the buttons and output the same to the LEDs
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <wiringPi.h>

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

int outputs [4] = { 0,0,0,0 } ;

void scanButton (int button)
{
if (digitalRead (button) == LOW)
{
outputs [button] ^= 1 ;
digitalWrite (button, outputs [button]) ;
}

while (digitalRead (button) == LOW)
delay (1) ;
}


int main (void)
{
int pin, button ;

printf ("Raspberry Pi wiringPiFace test program\n") ;

if (wiringPiSetupPiFace () == -1)
exit (1) ;

// Enable internal pull-ups

for (pin = 0 ; pin < 8 ; ++pin)
pullUpDnControl (pin, PUD_UP) ;


for (;;)
{
for (button = 0 ; button < 4 ; ++button)
scanButton (button) ;
delay (1) ;
}

return 0 ;
}

+ 0
- 111
examples/test1.c View File

@@ -1,111 +0,0 @@
/*
* test1.c:
* Simple test program to test the wiringPi functions
* This is a sequencer to make a patter appear on 8 LEDs
* connected to the GPIO pins.
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <wiringPi.h>

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>


// Simple sequencer data
// Triplets of LED, On/Off and delay

uint8_t data [] =
{
0, 1, 1,
1, 1, 1,
0, 0, 0, 2, 1, 1,
1, 0, 0, 3, 1, 1,
2, 0, 0, 4, 1, 1,
3, 0, 0, 5, 1, 1,
4, 0, 0, 6, 1, 1,
5, 0, 0, 7, 1, 1,
6, 0, 1,
7, 0, 1,

0, 0, 1, // Extra delay

// Back again

7, 1, 1,
6, 1, 1,
7, 0, 0, 5, 1, 1,
6, 0, 0, 4, 1, 1,
5, 0, 0, 3, 1, 1,
4, 0, 0, 2, 1, 1,
3, 0, 0, 1, 1, 1,
2, 0, 0, 0, 1, 1,
1, 0, 1,
0, 0, 1,

0, 0, 1, // Extra delay

9, 9, 9, // End marker

} ;


int main (void)
{
int pin ;
int dataPtr ;
int l, s, d ;

printf ("Raspberry Pi wiringPi test program\n") ;

if (wiringPiSetup () == -1)
exit (1) ;

for (pin = 0 ; pin < 8 ; ++pin)
pinMode (pin, OUTPUT) ;

pinMode (8, INPUT) ; // Pin 8 SDA0 - Has on-board 2k2 pull-up resistor

dataPtr = 0 ;

for (;;)
{
l = data [dataPtr++] ; // LED
s = data [dataPtr++] ; // State
d = data [dataPtr++] ; // Duration (10ths)

if ((l + s + d) == 27)
{
dataPtr = 0 ;
continue ;
}

digitalWrite (l, s) ;

if (digitalRead (8) == 0) // Pressed as our switch shorts to ground
delay (d * 10) ; // Faster!
else
delay (d * 100) ;
}

return 0 ;
}

+ 0
- 58
examples/test2.c View File

@@ -1,58 +0,0 @@
/*
* test2.c:
* This tests the hardware PWM channel.
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <wiringPi.h>

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>

int main (void)
{
int bright ;

printf ("Raspberry Pi wiringPi PWM test program\n") ;

if (wiringPiSetup () == -1)
exit (1) ;

pinMode (1, PWM_OUTPUT) ;

for (;;)
{
for (bright = 0 ; bright < 1024 ; ++bright)
{
pwmWrite (1, bright) ;
delay (1) ;
}

for (bright = 1023 ; bright >= 0 ; --bright)
{
pwmWrite (1, bright) ;
delay (1) ;
}
}

return 0 ;
}

+ 0
- 59
examples/tone.c View File

@@ -1,59 +0,0 @@
/*
* tone.c:
* Test of the softTone module in wiringPi
* Plays a scale out on pin 3 - connect pizeo disc to pin 3 & 0v
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <stdio.h>
#include <errno.h>
#include <string.h>

#include <wiringPi.h>
#include <softTone.h>

#define PIN 3

int scale [8] = { 262, 294, 330, 349, 392, 440, 494, 525 } ;

int main ()
{
int i ;

if (wiringPiSetup () == -1)
{
fprintf (stdout, "oops: %s\n", strerror (errno)) ;
return 1 ;
}

softToneCreate (PIN) ;

for (;;)
{
for (i = 0 ; i < 8 ; ++i)
{
printf ("%3d\n", i) ;
softToneWrite (PIN, scale [i]) ;
delay (500) ;
}
}

}

BIN
gpio/gpio View File


+ 0
- 9
wiringPi/README View File

@@ -1,9 +0,0 @@

WiringPi: An implementation of most of the Arduino Wiring
functions for the Raspberry Pi,
along with many more features and libraries to support
hardware, etc. on the Raspberry Pi

Full details at:
https://projects.drogon.net/raspberry-pi/wiringpi/


+ 0
- 122
wiringPi/gertboard.c View File

@@ -1,122 +0,0 @@
/*
* gertboard.c:
* Access routines for the SPI devices on the Gertboard
* Copyright (c) 2012 Gordon Henderson
*
* The Gertboard has:
*
* An MCP3002 dual-channel A to D convertor connected
* to the SPI bus, selected by chip-select A, and:
*
* An MCP4802 dual-channel D to A convertor connected
* to the SPI bus, selected via chip-select B.
*
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with wiringPi.
* If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/


#include <stdio.h>
#include <stdint.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/spi/spidev.h>

#include "wiringPiSPI.h"

#include "gertboard.h"

// The A-D convertor won't run at more than 1MHz @ 3.3v

#define SPI_ADC_SPEED 1000000
#define SPI_DAC_SPEED 1000000
#define SPI_A2D 0
#define SPI_D2A 1


/*
* gertboardAnalogWrite:
* Write an 8-bit data value to the MCP4802 Analog to digital
* convertor on the Gertboard.
*********************************************************************************
*/

void gertboardAnalogWrite (int chan, int value)
{
uint8_t spiData [2] ;
uint8_t chanBits, dataBits ;

if (chan == 0)
chanBits = 0x30 ;
else
chanBits = 0xB0 ;

chanBits |= ((value >> 4) & 0x0F) ;
dataBits = ((value << 4) & 0xF0) ;

spiData [0] = chanBits ;
spiData [1] = dataBits ;

wiringPiSPIDataRW (SPI_D2A, spiData, 2) ;
}


/*
* gertboardAnalogRead:
* Return the analog value of the given channel (0/1).
* The A/D is a 10-bit device
*********************************************************************************
*/

int gertboardAnalogRead (int chan)
{
uint8_t spiData [2] ;

uint8_t chanBits ;

if (chan == 0)
chanBits = 0b11010000 ;
else
chanBits = 0b11110000 ;

spiData [0] = chanBits ;
spiData [1] = 0 ;

wiringPiSPIDataRW (SPI_A2D, spiData, 2) ;

return ((spiData [0] << 7) | (spiData [1] >> 1)) & 0x3FF ;
}


/*
* gertboardSPISetup:
* Initialise the SPI bus, etc.
*********************************************************************************
*/

int gertboardSPISetup (void)
{
if (wiringPiSPISetup (SPI_A2D, SPI_ADC_SPEED) < 0)
return -1 ;

if (wiringPiSPISetup (SPI_D2A, SPI_DAC_SPEED) < 0)
return -1 ;

return 0 ;
}

+ 0
- 39
wiringPi/gertboard.h View File

@@ -1,39 +0,0 @@
/*
* gertboard.h:
* Access routines for the SPI devices on the Gertboard
* Copyright (c) 2012 Gordon Henderson
*
* The Gertboard has an MCP4802 dual-channel D to A convertor
* connected to the SPI bus, selected via chip-select B.
*
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with wiringPi.
* If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#ifdef __cplusplus
extern "C" {
#endif

extern void gertboardAnalogWrite (int chan, int value) ;
extern int gertboardAnalogRead (int chan) ;
extern int gertboardSPISetup (void) ;

#ifdef __cplusplus
}
#endif

+ 0
- 380
wiringPi/lcd.c View File

@@ -1,380 +0,0 @@
/*
* lcd.c:
* Text-based LCD driver.
* This is designed to drive the parallel interface LCD drivers
* based in the Hitachi HD44780U controller and compatables.
*
* Copyright (c) 2012 Gordon Henderson.
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdarg.h>

#include "wiringPi.h"
#include "lcd.h"

// Commands

#define LCD_CLEAR 0x01
#define LCD_HOME 0x02
#define LCD_ENTRY 0x04
#define LCD_ON_OFF 0x08
#define LCD_CDSHIFT 0x10
#define LCD_FUNC 0x20
#define LCD_CGRAM 0x40
#define LCD_DGRAM 0x80

#define LCD_ENTRY_SH 0x01
#define LCD_ENTRY_ID 0x02

#define LCD_ON_OFF_B 0x01
#define LCD_ON_OFF_C 0x02
#define LCD_ON_OFF_D 0x04

#define LCD_FUNC_F 0x04
#define LCD_FUNC_N 0x08
#define LCD_FUNC_DL 0x10

#define LCD_CDSHIFT_RL 0x04

struct lcdDataStruct
{
uint8_t bits, rows, cols ;
uint8_t rsPin, strbPin ;
uint8_t dataPins [8] ;
} ;

struct lcdDataStruct *lcds [MAX_LCDS] ;


/*
* strobe:
* Toggle the strobe (Really the "E") pin to the device.
* According to the docs, data is latched on the falling edge.
*********************************************************************************
*/

static void strobe (struct lcdDataStruct *lcd)
{

// Note timing changes for new version of delayMicroseconds ()

digitalWrite (lcd->strbPin, 1) ; delayMicroseconds (50) ;
digitalWrite (lcd->strbPin, 0) ; delayMicroseconds (50) ;
}


/*
* sentDataCmd:
* Send an data or command byte to the display.
*********************************************************************************
*/

static void sendDataCmd (struct lcdDataStruct *lcd, uint8_t data)
{
uint8_t i, d4 ;

if (lcd->bits == 4)
{
d4 = (data >> 4) & 0x0F;
for (i = 0 ; i < 4 ; ++i)
{
digitalWrite (lcd->dataPins [i], (d4 & 1)) ;
d4 >>= 1 ;
}
strobe (lcd) ;

d4 = data & 0x0F ;
for (i = 0 ; i < 4 ; ++i)
{
digitalWrite (lcd->dataPins [i], (d4 & 1)) ;
d4 >>= 1 ;
}
}
else
{
for (i = 0 ; i < 8 ; ++i)
{
digitalWrite (lcd->dataPins [i], (data & 1)) ;
data >>= 1 ;
}
}
strobe (lcd) ;
}


/*
* putCommand:
* Send a command byte to the display
*********************************************************************************
*/

static void putCommand (struct lcdDataStruct *lcd, uint8_t command)
{
digitalWrite (lcd->rsPin, 0) ;
sendDataCmd (lcd, command) ;
}

static void put4Command (struct lcdDataStruct *lcd, uint8_t command)
{
uint8_t i ;

digitalWrite (lcd->rsPin, 0) ;

for (i = 0 ; i < 4 ; ++i)
{
digitalWrite (lcd->dataPins [i], (command & 1)) ;
command >>= 1 ;
}
strobe (lcd) ;
}


/*
*********************************************************************************
* User Code below here
*********************************************************************************
*/

/*
* lcdHome: lcdClear:
* Home the cursor or clear the screen.
*********************************************************************************
*/

void lcdHome (int fd)
{
struct lcdDataStruct *lcd = lcds [fd] ;
putCommand (lcd, LCD_HOME) ;
}

void lcdClear (int fd)
{
struct lcdDataStruct *lcd = lcds [fd] ;
putCommand (lcd, LCD_CLEAR) ;
}


/*
* lcdSendCommand:
* Send any arbitary command to the display
*********************************************************************************
*/

void lcdSendCommand (int fd, uint8_t command)
{
struct lcdDataStruct *lcd = lcds [fd] ;
putCommand (lcd, command) ;
}

/*
* lcdPosition:
* Update the position of the cursor on the display
*********************************************************************************
*/


void lcdPosition (int fd, int x, int y)
{
static uint8_t rowOff [4] = { 0x00, 0x40, 0x14, 0x54 } ;
struct lcdDataStruct *lcd = lcds [fd] ;

putCommand (lcd, x + (LCD_DGRAM | rowOff [y])) ;
}


/*
* lcdPutchar:
* Send a data byte to be displayed on the display
*********************************************************************************
*/

void lcdPutchar (int fd, uint8_t data)
{
struct lcdDataStruct *lcd = lcds [fd] ;

digitalWrite (lcd->rsPin, 1) ;
sendDataCmd (lcd, data) ;
}


/*
* lcdPuts:
* Send a string to be displayed on the display
*********************************************************************************
*/

void lcdPuts (int fd, char *string)
{
while (*string)
lcdPutchar (fd, *string++) ;
}


/*
* lcdPrintf:
* Printf to an LCD display
*********************************************************************************
*/

void lcdPrintf (int fd, char *message, ...)
{
va_list argp ;
char buffer [1024] ;

va_start (argp, message) ;
vsnprintf (buffer, 1023, message, argp) ;
va_end (argp) ;

lcdPuts (fd, buffer) ;
}


/*
* lcdInit:
* Take a lot of parameters and initialise the LCD, and return a handle to
* that LCD, or -1 if any error.
*********************************************************************************
*/

int lcdInit (int rows, int cols, int bits, int rs, int strb,
int d0, int d1, int d2, int d3, int d4, int d5, int d6, int d7)
{
static int initialised = 0 ;

uint8_t func ;
int i ;
int lcdFd = -1 ;
struct lcdDataStruct *lcd ;

if (initialised == 0)
{
initialised = 1 ;
for (i = 0 ; i < MAX_LCDS ; ++i)
lcds [i] = NULL ;
}

// Simple sanity checks

if (! ((bits == 4) || (bits == 8)))
return -1 ;

if ((rows < 0) || (rows > 20))
return -1 ;

if ((cols < 0) || (cols > 20))
return -1 ;

// Create a new LCD:

for (i = 0 ; i < MAX_LCDS ; ++i)
{
if (lcds [i] == NULL)
{
lcdFd = i ;
break ;
}
}

if (lcdFd == -1)
return -1 ;

lcd = malloc (sizeof (struct lcdDataStruct)) ;
if (lcd == NULL)
return -1 ;

lcd->rsPin = rs ;
lcd->strbPin = strb ;
lcd->bits = 8 ; // For now - we'll set it properly later.
lcd->rows = rows ;
lcd->cols = cols ;

lcd->dataPins [0] = d0 ;
lcd->dataPins [1] = d1 ;
lcd->dataPins [2] = d2 ;
lcd->dataPins [3] = d3 ;
lcd->dataPins [4] = d4 ;
lcd->dataPins [5] = d5 ;
lcd->dataPins [6] = d6 ;
lcd->dataPins [7] = d7 ;

lcds [lcdFd] = lcd ;

digitalWrite (lcd->rsPin, 0) ; pinMode (lcd->rsPin, OUTPUT) ;
digitalWrite (lcd->strbPin, 0) ; pinMode (lcd->strbPin, OUTPUT) ;

for (i = 0 ; i < bits ; ++i)
{
digitalWrite (lcd->dataPins [i], 0) ;
pinMode (lcd->dataPins [i], OUTPUT) ;
}
delay (35) ; // mS


// 4-bit mode?
// OK. This is a PIG and it's not at all obvious from the documentation I had,
// so I guess some others have worked through either with better documentation
// or more trial and error... Anyway here goes:
//
// It seems that the controller needs to see the FUNC command at least 3 times
// consecutively - in 8-bit mode. If you're only using 8-bit mode, then it appears
// that you can get away with one func-set, however I'd not rely on it...
//
// So to set 4-bit mode, you need to send the commands one nibble at a time,
// the same three times, but send the command to set it into 8-bit mode those
// three times, then send a final 4th command to set it into 4-bit mode, and only
// then can you flip the switch for the rest of the library to work in 4-bit
// mode which sends the commands as 2 x 4-bit values.

if (bits == 4)
{
func = LCD_FUNC | LCD_FUNC_DL ; // Set 8-bit mode 3 times
put4Command (lcd, func >> 4) ; delay (35) ;
put4Command (lcd, func >> 4) ; delay (35) ;
put4Command (lcd, func >> 4) ; delay (35) ;
func = LCD_FUNC ; // 4th set: 4-bit mode
put4Command (lcd, func >> 4) ; delay (35) ;
lcd->bits = 4 ;
}
else
{
func = LCD_FUNC | LCD_FUNC_DL ;
putCommand (lcd, func ) ; delay (35) ;
putCommand (lcd, func ) ; delay (35) ;
putCommand (lcd, func ) ; delay (35) ;
}

if (lcd->rows > 1)
{
func |= LCD_FUNC_N ;
putCommand (lcd, func) ; delay (35) ;
}

// Rest of the initialisation sequence

putCommand (lcd, LCD_ON_OFF | LCD_ON_OFF_D) ; delay (2) ;
putCommand (lcd, LCD_ENTRY | LCD_ENTRY_ID) ; delay (2) ;
putCommand (lcd, LCD_CDSHIFT | LCD_CDSHIFT_RL) ; delay (2) ;
putCommand (lcd, LCD_CLEAR) ; delay (5) ;

return lcdFd ;
}

+ 0
- 46
wiringPi/lcd.h View File

@@ -1,46 +0,0 @@
/*
* lcd.h:
* Text-based LCD driver.
* This is designed to drive the parallel interface LCD drivers
* based in the Hitachi HD44780U controller and compatables.
*
* Copyright (c) 2012 Gordon Henderson.
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#define MAX_LCDS 8

#ifdef __cplusplus
extern "C" {
#endif

extern void lcdHome (int fd) ;
extern void lcdClear (int fd) ;
extern void lcdSendCommand (int fd, uint8_t command) ;
extern void lcdPosition (int fd, int x, int y) ;
extern void lcdPutchar (int fd, uint8_t data) ;
extern void lcdPuts (int fd, char *string) ;
extern void lcdPrintf (int fd, char *message, ...) ;

extern int lcdInit (int rows, int cols, int bits, int rs, int strb,
int d0, int d1, int d2, int d3, int d4, int d5, int d6, int d7) ;

#ifdef __cplusplus
}
#endif

BIN
wiringPi/libwiringPi.so.1.0 View File


+ 0
- 113
wiringPi/piNes.c View File

@@ -1,113 +0,0 @@
/*
* piNes.c:
* Driver for the NES Joystick controller on the Raspberry Pi
* Copyright (c) 2012 Gordon Henderson
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with wiringPi.
* If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#include <wiringPi.h>

#include "piNes.h"

#define MAX_NES_JOYSTICKS 8

#define NES_RIGHT 0x01
#define NES_LEFT 0x02
#define NES_DOWN 0x04
#define NES_UP 0x08
#define NES_START 0x10
#define NES_SELECT 0x20
#define NES_B 0x40
#define NES_A 0x80


#define PULSE_TIME 25

// Data to store the pins for each controller

struct nesPinsStruct
{
unsigned int cPin, dPin, lPin ;
} ;

static struct nesPinsStruct nesPins [MAX_NES_JOYSTICKS] ;

static int joysticks = 0 ;


/*
* setupNesJoystick:
* Create a new NES joystick interface, program the pins, etc.
*********************************************************************************
*/

int setupNesJoystick (int dPin, int cPin, int lPin)
{
if (joysticks == MAX_NES_JOYSTICKS)
return -1 ;

nesPins [joysticks].dPin = dPin ;
nesPins [joysticks].cPin = cPin ;
nesPins [joysticks].lPin = lPin ;

digitalWrite (lPin, LOW) ;
digitalWrite (cPin, LOW) ;

pinMode (lPin, OUTPUT) ;
pinMode (cPin, OUTPUT) ;
pinMode (dPin, INPUT) ;

return joysticks++ ;
}


/*
* readNesJoystick:
* Do a single scan of the NES Joystick.
*********************************************************************************
*/

unsigned int readNesJoystick (int joystick)
{
unsigned int value = 0 ;
int i ;

struct nesPinsStruct *pins = &nesPins [joystick] ;
// Toggle Latch - which presents the first bit

digitalWrite (pins->lPin, HIGH) ; delayMicroseconds (PULSE_TIME) ;
digitalWrite (pins->lPin, LOW) ; delayMicroseconds (PULSE_TIME) ;

// Read first bit

value = digitalRead (pins->dPin) ;

// Now get the next 7 bits with the clock

for (i = 0 ; i < 7 ; ++i)
{
digitalWrite (pins->cPin, HIGH) ; delayMicroseconds (PULSE_TIME) ;
digitalWrite (pins->cPin, LOW) ; delayMicroseconds (PULSE_TIME) ;
value = (value << 1) | digitalRead (pins->dPin) ;
}

return value ^ 0xFF ;
}

+ 0
- 45
wiringPi/piNes.h View File

@@ -1,45 +0,0 @@
/*
* piNes.h:
* Driver for the NES Joystick controller on the Raspberry Pi
* Copyright (c) 2012 Gordon Henderson
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with wiringPi.
* If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/

#define MAX_NES_JOYSTICKS 8

#define NES_RIGHT 0x01
#define NES_LEFT 0x02
#define NES_DOWN 0x04
#define NES_UP 0x08
#define NES_START 0x10
#define NES_SELECT 0x20
#define NES_B 0x40
#define NES_A 0x80

#ifdef __cplusplus
extern "C" {
#endif

extern int setupNesJoystick (int dPin, int cPin, int lPin) ;
extern unsigned int readNesJoystick (int joystick) ;

#ifdef __cplusplus
}
#endif

+ 0
- 89
wiringPi/q2w.c View File

@@ -1,89 +0,0 @@
/*
* q2w.c:
***********************************************************************
*/

#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <stdint.h>

#include <wiringPi.h>
#include <wiringPiI2C.h>

// MCP23S17 Registers

#define IOCON 0x0A

#define IODIRA 0x00
#define IPOLA 0x02
#define GPINTENA 0x04
#define DEFVALA 0x06
#define INTCONA 0x08
#define GPPUA 0x0C
#define INTFA 0x0E
#define INTCAPA 0x10
#define GPIOA 0x12
#define OLATA 0x14

#define IODIRB 0x01
#define IPOLB 0x03
#define GPINTENB 0x05
#define DEFVALB 0x07
#define INTCONB 0x09
#define GPPUB 0x0D
#define INTFB 0x0F
#define INTCAPB 0x11
#define GPIOB 0x13
#define OLATB 0x15

// Bits in the IOCON register

#define IOCON_BANK_MODE 0x80
#define IOCON_MIRROR 0x40
#define IOCON_SEQOP 0x20
#define IOCON_DISSLW 0x10
#define IOCON_HAEN 0x08
#define IOCON_ODR 0x04
#define IOCON_INTPOL 0x02
#define IOCON_UNUSED 0x01

// Default initialisation mode

#define IOCON_INIT (IOCON_SEQOP)



/*
*********************************************************************************
* The works
*********************************************************************************
*/

int main (int argc, char *argv [])
{
int q2w ;

// if (wiringPiSetup () == -1)
// { fprintf (stderr, "q2w: Unable to initialise wiringPi: %s\n", strerror (errno)) ; return 1 ; }

if ((q2w = wiringPiI2CSetup (0x20)) == -1)
{ fprintf (stderr, "q2w: Unable to initialise I2C: %s\n", strerror (errno)) ; return 1 ; }

// Very simple direct control of the MCP23017:

wiringPiI2CWriteReg8 (q2w, IOCON, IOCON_INIT) ;
wiringPiI2CWriteReg8 (q2w, IODIRA, 0x00) ; // Port A -> Outputs
wiringPiI2CWriteReg8 (q2w, IODIRB, 0x00) ; // Port B -> Outputs

for (;;)
{
wiringPiI2CWriteReg8 (q2w, GPIOA, 0x00) ; // All Off
delay (500) ;
wiringPiI2CWriteReg8 (q2w, GPIOA, 0xFF) ; // All On
delay (500) ;
}
return 0 ;
}

+ 0
- 362
wiringPi/wiringPiFace.c View File

@@ -1,362 +0,0 @@
/*
* wiringPiFace:
* Arduino compatable (ish) Wiring library for the Raspberry Pi
* Copyright (c) 2012 Gordon Henderson
*
* This file to interface with the PiFace peripheral device which
* has an MCP23S17 GPIO device connected via the SPI bus.
*
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with wiringPi.
* If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/


#include <stdio.h>
#include <stdint.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <linux/spi/spidev.h>

#include "wiringPi.h"


// The SPI bus parameters
// Variables as they need to be passed as pointers later on

static char *spiDevice = "/dev/spidev0.0" ;
static uint8_t spiMode = 0 ;
static uint8_t spiBPW = 8 ;
static uint32_t spiSpeed = 5000000 ;
static uint16_t spiDelay = 0;

// Locals here to keep track of everything

static int spiFd ;

// The MCP23S17 doesn't have bit-set operations, so it's
// cheaper to keep a copy here than to read/modify/write it

uint8_t dataOutRegister = 0 ;
uint8_t pudRegister = 0 ;

// MCP23S17 Registers

#define IOCON 0x0A

#define IODIRA 0x00
#define IPOLA 0x02
#define GPINTENA 0x04
#define DEFVALA 0x06
#define INTCONA 0x08
#define GPPUA 0x0C
#define INTFA 0x0E
#define INTCAPA 0x10
#define GPIOA 0x12
#define OLATA 0x14

#define IODIRB 0x01
#define IPOLB 0x03
#define GPINTENB 0x05
#define DEFVALB 0x07
#define INTCONB 0x09
#define GPPUB 0x0D
#define INTFB 0x0F
#define INTCAPB 0x11
#define GPIOB 0x13
#define OLATB 0x15

// Bits in the IOCON register

#define IOCON_BANK_MODE 0x80
#define IOCON_MIRROR 0x40
#define IOCON_SEQOP 0x20
#define IOCON_DISSLW 0x10
#define IOCON_HAEN 0x08
#define IOCON_ODR 0x04
#define IOCON_INTPOL 0x02
#define IOCON_UNUSED 0x01

// Default initialisation mode

#define IOCON_INIT (IOCON_SEQOP)

// Command codes

#define CMD_WRITE 0x40
#define CMD_READ 0x41


/*
* writeByte:
* Write a byte to a register on the MCP23S17 on the SPI bus.
* This is using the synchronous access mechanism.
*********************************************************************************
*/

static void writeByte (uint8_t reg, uint8_t data)
{
uint8_t spiBufTx [3] ;
uint8_t spiBufRx [3] ;
struct spi_ioc_transfer spi ;

spiBufTx [0] = CMD_WRITE ;
spiBufTx [1] = reg ;
spiBufTx [2] = data ;

spi.tx_buf = (unsigned long)spiBufTx ;
spi.rx_buf = (unsigned long)spiBufRx ;
spi.len = 3 ;
spi.delay_usecs = spiDelay ;
spi.speed_hz = spiSpeed ;
spi.bits_per_word = spiBPW ;

ioctl (spiFd, SPI_IOC_MESSAGE(1), &spi) ;
}

/*
* readByte:
* Read a byte from a register on the MCP23S17 on the SPI bus.
* This is the synchronous access mechanism.
* What appears to happen is that the data returned is at
* the same offset as the number of bytes written to the device. So if we
* write 2 bytes (e.g. command then register number), then the data returned
* will by at the 3rd byte...
*********************************************************************************
*/

static uint8_t readByte (uint8_t reg)
{
uint8_t tx [4] ;
uint8_t rx [4] ;
struct spi_ioc_transfer spi ;

tx [0] = CMD_READ ;
tx [1] = reg ;
tx [2] = 0 ;

spi.tx_buf = (unsigned long)tx ;
spi.rx_buf = (unsigned long)rx ;
spi.len = 3 ;
spi.delay_usecs = spiDelay ;
spi.speed_hz = spiSpeed ;
spi.bits_per_word = spiBPW ;

ioctl (spiFd, SPI_IOC_MESSAGE(1), &spi) ;

return rx [2] ;
}


/*
* digitalWritePiFace:
* Perform the digitalWrite function on the PiFace board
*********************************************************************************
*/

void digitalWritePiFace (int pin, int value)
{
uint8_t mask = 1 << pin ;

if (value == 0)
dataOutRegister &= (~mask) ;
else
dataOutRegister |= mask ;

writeByte (GPIOA, dataOutRegister) ;
}

void digitalWriteBytePiFace (int value)
{
writeByte (GPIOA, value) ;
}


void digitalWritePiFaceSpecial (int pin, int value)
{
uint8_t mask = 1 << pin ;
uint8_t old ;

old = readByte (GPIOA) ;

if (value == 0)
old &= (~mask) ;
else
old |= mask ;

writeByte (GPIOA, old) ;
}


/*
* digitalReadPiFace:
* Perform the digitalRead function on the PiFace board
*********************************************************************************
*/

int digitalReadPiFace (int pin)
{
uint8_t mask = 1 << pin ;

if ((readByte (GPIOB) & mask) != 0)
return HIGH ;
else
return LOW ;
}


/*
* pullUpDnControlPiFace:
* Perform the pullUpDnControl function on the PiFace board
*********************************************************************************
*/

void pullUpDnControlPiFace (int pin, int pud)
{
uint8_t mask = 1 << pin ;

if (pud == PUD_UP)
pudRegister |= mask ;
else
pudRegister &= (~mask) ;

writeByte (GPPUB, pudRegister) ;

}


void pullUpDnControlPiFaceSpecial (int pin, int pud)
{
uint8_t mask = 1 << pin ;
uint8_t old ;

old = readByte (GPPUB) ;

if (pud == PUD_UP)
old |= mask ;
else
old &= (~mask) ;

writeByte (GPPUB, old) ;

}



/*
* Dummy functions that are not used in this mode
*********************************************************************************
*/

void pinModePiFace (int pin, int mode) {}
void pwmWritePiFace (int pin, int value) {}
int waitForInterruptPiFace (int pin, int mS) { return 0 ; }


/*
* wiringPiSetupPiFace
* Setup the SPI interface and initialise the MCP23S17 chip
*********************************************************************************
*/

static int _wiringPiSetupPiFace (void)
{
if ((spiFd = open (spiDevice, O_RDWR)) < 0)
return -1 ;

// Set SPI parameters
// Why are we doing a read after write?
// I don't know - just blindliy copying an example elsewhere... -GH-

if (ioctl (spiFd, SPI_IOC_WR_MODE, &spiMode) < 0)
return -1 ;

if (ioctl (spiFd, SPI_IOC_RD_MODE, &spiMode) < 0)
return -1 ;

if (ioctl (spiFd, SPI_IOC_WR_BITS_PER_WORD, &spiBPW) < 0)
return -1 ;

if (ioctl (spiFd, SPI_IOC_RD_BITS_PER_WORD, &spiBPW) < 0)
return -1 ;

if (ioctl (spiFd, SPI_IOC_WR_MAX_SPEED_HZ, &spiSpeed) < 0)
return -1 ;

if (ioctl (spiFd, SPI_IOC_RD_MAX_SPEED_HZ, &spiSpeed) < 0)
return -1 ;

// Setup the MCP23S17

writeByte (IOCON, IOCON_INIT) ;

writeByte (IODIRA, 0x00) ; // Port A -> Outputs
writeByte (IODIRB, 0xFF) ; // Port B -> Inputs

return 0 ;
}


int wiringPiSetupPiFace (void)
{
int x = _wiringPiSetupPiFace () ;

if (x != 0)
return x ;

writeByte (GPIOA, 0x00) ; // Set all outptus off
writeByte (GPPUB, 0x00) ; // Disable any pull-ups on port B

pinMode = pinModePiFace ;
pullUpDnControl = pullUpDnControlPiFace ;
digitalWrite = digitalWritePiFace ;
digitalWriteByte = digitalWriteBytePiFace ;
pwmWrite = pwmWritePiFace ;
digitalRead = digitalReadPiFace ;
waitForInterrupt = waitForInterruptPiFace ;

return 0 ;
}


/*
* wiringPiSetupPiFaceForGpioProg:
* Setup the SPI interface and initialise the MCP23S17 chip
* Special version for the gpio program
*********************************************************************************
*/


int wiringPiSetupPiFaceForGpioProg (void)
{
int x = _wiringPiSetupPiFace () ;

if (x != 0)
return x ;

pinMode = pinModePiFace ;
pullUpDnControl = pullUpDnControlPiFaceSpecial ;
digitalWrite = digitalWritePiFaceSpecial ;
digitalWriteByte = digitalWriteBytePiFace ;
pwmWrite = pwmWritePiFace ;
digitalRead = digitalReadPiFace ;
waitForInterrupt = waitForInterruptPiFace ;

return 0 ;
}

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