It helps if you add the files into GIT...
This commit is contained in:
Gordon Henderson
parent
f52dd8393c
commit
477f856247
|
|
@ -0,0 +1,125 @@
|
|||
/*
|
||||
* blink12drcs.c:
|
||||
* Simple sequence over the first 12 GPIO pins - LEDs
|
||||
* Aimed at the Gertboard, but it's fairly generic.
|
||||
* This version uses DRC totalk to the ATmega on the Gertboard
|
||||
*
|
||||
* 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 <wiringPi.h>
|
||||
#include <drcSerial.h>
|
||||
|
||||
#define GERT_BASE 100
|
||||
|
||||
static int pinMap [] =
|
||||
{
|
||||
0, 1, 2, 3, // Pi Native
|
||||
GERT_BASE + 2, GERT_BASE + 3, GERT_BASE + 4, GERT_BASE + 5,
|
||||
GERT_BASE + 6, GERT_BASE + 7, GERT_BASE + 8, GERT_BASE + 9,
|
||||
} ;
|
||||
|
||||
// Simple sequencer data
|
||||
// Triplets of LED, On/Off and delay
|
||||
|
||||
|
||||
int 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, 0, 8, 1, 1,
|
||||
7, 0, 0, 9, 1, 1,
|
||||
8, 0, 0, 10, 1, 1,
|
||||
9, 0, 0, 11, 1, 1,
|
||||
10, 0, 1,
|
||||
11, 0, 1,
|
||||
|
||||
0, 0, 1, // Extra delay
|
||||
|
||||
// Back again
|
||||
|
||||
11, 1, 1,
|
||||
10, 1, 1,
|
||||
11, 0, 0, 9, 1, 1,
|
||||
10, 0, 0, 8, 1, 1,
|
||||
9, 0, 0, 7, 1, 1,
|
||||
8, 0, 0, 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
|
||||
|
||||
0, 9, 0, // End marker
|
||||
|
||||
} ;
|
||||
|
||||
|
||||
int main (void)
|
||||
{
|
||||
int pin ;
|
||||
int dataPtr ;
|
||||
int l, s, d ;
|
||||
|
||||
printf ("Raspberry Pi - 12-LED Sequence\n") ;
|
||||
printf ("==============================\n") ;
|
||||
printf ("\n") ;
|
||||
printf ("Connect LEDs up to the first 4 Pi pins and 8 pins on the ATmega\n") ;
|
||||
printf (" from PD2 through PB1 in that order,\n") ;
|
||||
printf (" then sit back and watch the show!\n") ;
|
||||
|
||||
wiringPiSetup () ;
|
||||
drcSetupSerial (GERT_BASE, 20, "/dev/ttyAMA0", 115200) ;
|
||||
|
||||
for (pin = 0 ; pin < 12 ; ++pin)
|
||||
pinMode (pinMap [pin], OUTPUT) ;
|
||||
|
||||
dataPtr = 0 ;
|
||||
|
||||
for (;;)
|
||||
{
|
||||
l = data [dataPtr++] ; // LED
|
||||
s = data [dataPtr++] ; // State
|
||||
d = data [dataPtr++] ; // Duration (10ths)
|
||||
|
||||
if (s == 9) // 9 -> End Marker
|
||||
{
|
||||
dataPtr = 0 ;
|
||||
continue ;
|
||||
}
|
||||
|
||||
digitalWrite (pinMap [l], s) ;
|
||||
delay (d * analogRead (GERT_BASE) / 4) ;
|
||||
}
|
||||
|
||||
return 0 ;
|
||||
}
|
||||
|
|
@ -0,0 +1,201 @@
|
|||
/*
|
||||
* drcSerial.c:
|
||||
* Extend wiringPi with the DRC Serial protocol (e.g. to Arduino)
|
||||
* Copyright (c) 2013 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 <time.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
|
||||
#include "wiringPi.h"
|
||||
#include "wiringSerial.h"
|
||||
|
||||
#include "drcSerial.h"
|
||||
|
||||
#ifndef TRUE
|
||||
# define TRUE (1==1)
|
||||
# define FALSE (1==2)
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* myPinMode:
|
||||
* Change the pin mode on the remote DRC device
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
static void myPinMode (struct wiringPiNodeStruct *node, int pin, int mode)
|
||||
{
|
||||
/**/ if (mode == OUTPUT)
|
||||
serialPutchar (node->fd, 'o') ; // Input
|
||||
else if (mode == PWM_OUTPUT)
|
||||
serialPutchar (node->fd, 'p') ; // PWM
|
||||
else
|
||||
serialPutchar (node->fd, 'i') ; // Default to input
|
||||
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* myPullUpDnControl:
|
||||
* ATmegas only have pull-up's on of off. No pull-downs.
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
static void myPullUpDnControl (struct wiringPiNodeStruct *node, int pin, int mode)
|
||||
{
|
||||
|
||||
// Force pin into input mode
|
||||
|
||||
serialPutchar (node->fd, 'i' ) ;
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
|
||||
/**/ if (mode == PUD_UP)
|
||||
{
|
||||
serialPutchar (node->fd, '1') ;
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
}
|
||||
else if (mode == PUD_OFF)
|
||||
{
|
||||
serialPutchar (node->fd, '0') ;
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* myDigitalWrite:
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
static void myDigitalWrite (struct wiringPiNodeStruct *node, int pin, int value)
|
||||
{
|
||||
serialPutchar (node->fd, value == 0 ? '0' : '1') ;
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* myPwmWrite:
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
static void myPwmWrite (struct wiringPiNodeStruct *node, int pin, int value)
|
||||
{
|
||||
serialPutchar (node->fd, 'v') ;
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
serialPutchar (node->fd, value & 0xFF) ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* myAnalogRead:
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
static int myAnalogRead (struct wiringPiNodeStruct *node, int pin)
|
||||
{
|
||||
int vHi, vLo ;
|
||||
|
||||
serialPutchar (node->fd, 'a') ;
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
vHi = serialGetchar (node->fd) ;
|
||||
vLo = serialGetchar (node->fd) ;
|
||||
|
||||
return (vHi << 8) | vLo ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* myDigitalRead:
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
static int myDigitalRead (struct wiringPiNodeStruct *node, int pin)
|
||||
{
|
||||
serialPutchar (node->fd, 'r') ; // Send read command
|
||||
serialPutchar (node->fd, pin - node->pinBase) ;
|
||||
return (serialGetchar (node->fd) == '0') ? 0 : 1 ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* drcSetup:
|
||||
* Create a new instance of an DRC GPIO interface.
|
||||
* Could be a variable nunber of pins here - we might not know in advance
|
||||
* if it's an ATmega with 14 pins, or something with less or more!
|
||||
*********************************************************************************
|
||||
*/
|
||||
|
||||
int drcSetupSerial (const int pinBase, const int numPins, const char *device, const int baud)
|
||||
{
|
||||
int fd ;
|
||||
int ok, tries ;
|
||||
time_t then ;
|
||||
struct wiringPiNodeStruct *node ;
|
||||
|
||||
if ((fd = serialOpen (device, baud)) < 0)
|
||||
return wiringPiFailure (WPI_ALMOST, "Unable to open DRC device (%s): %s", device, strerror (errno)) ;
|
||||
|
||||
delay (10) ; // May need longer if it's an Uno that reboots on the open...
|
||||
|
||||
// Flush any pending input
|
||||
|
||||
while (serialDataAvail (fd))
|
||||
(void)serialGetchar (fd) ;
|
||||
|
||||
ok = FALSE ;
|
||||
for (tries = 1 ; (tries < 5) && (!ok) ; ++tries)
|
||||
{
|
||||
serialPutchar (fd, '@') ; // Ping
|
||||
then = time (NULL) + 2 ;
|
||||
while (time (NULL) < then)
|
||||
if (serialDataAvail (fd))
|
||||
{
|
||||
if (serialGetchar (fd) == '@')
|
||||
{
|
||||
ok = TRUE ;
|
||||
break ;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!ok)
|
||||
{
|
||||
serialClose (fd) ;
|
||||
return wiringPiFailure (WPI_FATAL, "Unable to communicate with DRC serial device") ;
|
||||
}
|
||||
|
||||
node = wiringPiNewNode (pinBase, numPins) ;
|
||||
|
||||
node->fd = fd ;
|
||||
node->pinMode = myPinMode ;
|
||||
node->pullUpDnControl = myPullUpDnControl ;
|
||||
node->analogRead = myAnalogRead ;
|
||||
node->digitalRead = myDigitalRead ;
|
||||
node->digitalWrite = myDigitalWrite ;
|
||||
node->pwmWrite = myPwmWrite ;
|
||||
|
||||
return 0 ;
|
||||
}
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
/*
|
||||
* drcSerial.h:
|
||||
* Extend wiringPi with the DRC Serial protocol (e.g. to Arduino)
|
||||
* Copyright (c) 2013 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/>.
|
||||
***********************************************************************
|
||||
*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern int drcSetupSerial (const int pinBase, const int numPins, const char *device, const int baud) ;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue