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This commit is contained in:
Erik Tylek Kettenburg
2015-06-23 12:42:35 -07:00
parent bc55c9bb45
commit 6ca6b114d5
3581 changed files with 93 additions and 51 deletions
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213
digistump-avr/libraries/LedControl/LedControl.cpp Normal file
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/*
* LedControl.cpp - A library for controling Leds with a MAX7219/MAX7221
* Copyright (c) 2007 Eberhard Fahle
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* This permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "LedControl.h"
//the opcodes for the MAX7221 and MAX7219
#define OP_NOOP 0
#define OP_DIGIT0 1
#define OP_DIGIT1 2
#define OP_DIGIT2 3
#define OP_DIGIT3 4
#define OP_DIGIT4 5
#define OP_DIGIT5 6
#define OP_DIGIT6 7
#define OP_DIGIT7 8
#define OP_DECODEMODE 9
#define OP_INTENSITY 10
#define OP_SCANLIMIT 11
#define OP_SHUTDOWN 12
#define OP_DISPLAYTEST 15
LedControl::LedControl(int dataPin, int clkPin, int csPin, int numDevices) {
SPI_MOSI=dataPin;
SPI_CLK=clkPin;
SPI_CS=csPin;
if(numDevices<=0 || numDevices>8 )
numDevices=8;
maxDevices=numDevices;
pinMode(SPI_MOSI,OUTPUT);
pinMode(SPI_CLK,OUTPUT);
pinMode(SPI_CS,OUTPUT);
digitalWrite(SPI_CS,HIGH);
SPI_MOSI=dataPin;
for(int i=0;i<64;i++)
status[i]=0x00;
for(int i=0;i<maxDevices;i++) {
spiTransfer(i,OP_DISPLAYTEST,0);
//scanlimit is set to max on startup
setScanLimit(i,7);
//decode is done in source
spiTransfer(i,OP_DECODEMODE,0);
clearDisplay(i);
//we go into shutdown-mode on startup
shutdown(i,true);
}
}
int LedControl::getDeviceCount() {
return maxDevices;
}
void LedControl::shutdown(int addr, bool b) {
if(addr<0 || addr>=maxDevices)
return;
if(b)
spiTransfer(addr, OP_SHUTDOWN,0);
else
spiTransfer(addr, OP_SHUTDOWN,1);
}
void LedControl::setScanLimit(int addr, int limit) {
if(addr<0 || addr>=maxDevices)
return;
if(limit>=0 || limit<8)
spiTransfer(addr, OP_SCANLIMIT,limit);
}
void LedControl::setIntensity(int addr, int intensity) {
if(addr<0 || addr>=maxDevices)
return;
if(intensity>=0 || intensity<16)
spiTransfer(addr, OP_INTENSITY,intensity);
}
void LedControl::clearDisplay(int addr) {
int offset;
if(addr<0 || addr>=maxDevices)
return;
offset=addr*8;
for(int i=0;i<8;i++) {
status[offset+i]=0;
spiTransfer(addr, i+1,status[offset+i]);
}
}
void LedControl::setLed(int addr, int row, int column, boolean state) {
int offset;
byte val=0x00;
if(addr<0 || addr>=maxDevices)
return;
if(row<0 || row>7 || column<0 || column>7)
return;
offset=addr*8;
val=B10000000 >> column;
if(state)
status[offset+row]=status[offset+row]|val;
else {
val=~val;
status[offset+row]=status[offset+row]&val;
}
spiTransfer(addr, row+1,status[offset+row]);
}
void LedControl::setRow(int addr, int row, byte value) {
int offset;
if(addr<0 || addr>=maxDevices)
return;
if(row<0 || row>7)
return;
offset=addr*8;
status[offset+row]=value;
spiTransfer(addr, row+1,status[offset+row]);
}
void LedControl::setColumn(int addr, int col, byte value) {
byte val;
if(addr<0 || addr>=maxDevices)
return;
if(col<0 || col>7)
return;
for(int row=0;row<8;row++) {
val=value >> (7-row);
val=val & 0x01;
setLed(addr,row,col,val);
}
}
void LedControl::setDigit(int addr, int digit, byte value, boolean dp) {
int offset;
byte v;
if(addr<0 || addr>=maxDevices)
return;
if(digit<0 || digit>7 || value>15)
return;
offset=addr*8;
v=charTable[value];
if(dp)
v|=B10000000;
status[offset+digit]=v;
spiTransfer(addr, digit+1,v);
}
void LedControl::setChar(int addr, int digit, char value, boolean dp) {
int offset;
byte index,v;
if(addr<0 || addr>=maxDevices)
return;
if(digit<0 || digit>7)
return;
offset=addr*8;
index=(byte)value;
if(index >127) {
//nothing define we use the space char
value=32;
}
v=charTable[index];
if(dp)
v|=B10000000;
status[offset+digit]=v;
spiTransfer(addr, digit+1,v);
}
void LedControl::spiTransfer(int addr, volatile byte opcode, volatile byte data) {
//Create an array with the data to shift out
int offset=addr*2;
int maxbytes=maxDevices*2;
for(int i=0;i<maxbytes;i++)
spidata[i]=(byte)0;
//put our device data into the array
spidata[offset+1]=opcode;
spidata[offset]=data;
//enable the line
digitalWrite(SPI_CS,LOW);
//Now shift out the data
for(int i=maxbytes;i>0;i--)
shiftOut(SPI_MOSI,SPI_CLK,MSBFIRST,spidata[i-1]);
//latch the data onto the display
digitalWrite(SPI_CS,HIGH);
}

188
digistump-avr/libraries/LedControl/LedControl.h Normal file
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/*
* LedControl.h - A library for controling Leds with a MAX7219/MAX7221
* Copyright (c) 2007 Eberhard Fahle
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* This permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef LedControl_h
#define LedControl_h
#if (ARDUINO >= 100)
#include <Arduino.h>
#else
#include <WProgram.h>
#endif
/*
* Segments to be switched on for characters and digits on
* 7-Segment Displays
*/
const static byte charTable[128] = {
B01111110,B00110000,B01101101,B01111001,B00110011,B01011011,B01011111,B01110000,
B01111111,B01111011,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,
B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
B00000000,B00000000,B00000000,B00000000,B10000000,B00000001,B10000000,B00000000,
B01111110,B00110000,B01101101,B01111001,B00110011,B01011011,B01011111,B01110000,
B01111111,B01111011,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
B00000000,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,B00000000,
B00110111,B00000000,B00000000,B00000000,B00001110,B00000000,B00000000,B00000000,
B01100111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00001000,
B00000000,B01110111,B00011111,B00001101,B00111101,B01001111,B01000111,B00000000,
B00110111,B00000000,B00000000,B00000000,B00001110,B00000000,B00000000,B00000000,
B01100111,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,
B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000,B00000000
};
class LedControl {
private :
/* The array for shifting the data to the devices */
byte spidata[16];
/* Send out a single command to the device */
void spiTransfer(int addr, byte opcode, byte data);
/* We keep track of the led-status for all 8 devices in this array */
byte status[64];
/* Data is shifted out of this pin*/
int SPI_MOSI;
/* The clock is signaled on this pin */
int SPI_CLK;
/* This one is driven LOW for chip selectzion */
int SPI_CS;
/* The maximum number of devices we use */
int maxDevices;
public:
/*
* Create a new controler
* Params :
* dataPin pin on the Arduino where data gets shifted out
* clockPin pin for the clock
* csPin pin for selecting the device
* numDevices maximum number of devices that can be controled
*/
LedControl(int dataPin, int clkPin, int csPin, int numDevices=1);
/*
* Gets the number of devices attached to this LedControl.
* Returns :
* int the number of devices on this LedControl
*/
int getDeviceCount();
/*
* Set the shutdown (power saving) mode for the device
* Params :
* addr The address of the display to control
* status If true the device goes into power-down mode. Set to false
* for normal operation.
*/
void shutdown(int addr, bool status);
/*
* Set the number of digits (or rows) to be displayed.
* See datasheet for sideeffects of the scanlimit on the brightness
* of the display.
* Params :
* addr address of the display to control
* limit number of digits to be displayed (1..8)
*/
void setScanLimit(int addr, int limit);
/*
* Set the brightness of the display.
* Params:
* addr the address of the display to control
* intensity the brightness of the display. (0..15)
*/
void setIntensity(int addr, int intensity);
/*
* Switch all Leds on the display off.
* Params:
* addr address of the display to control
*/
void clearDisplay(int addr);
/*
* Set the status of a single Led.
* Params :
* addr address of the display
* row the row of the Led (0..7)
* col the column of the Led (0..7)
* state If true the led is switched on,
* if false it is switched off
*/
void setLed(int addr, int row, int col, boolean state);
/*
* Set all 8 Led's in a row to a new state
* Params:
* addr address of the display
* row row which is to be set (0..7)
* value each bit set to 1 will light up the
* corresponding Led.
*/
void setRow(int addr, int row, byte value);
/*
* Set all 8 Led's in a column to a new state
* Params:
* addr address of the display
* col column which is to be set (0..7)
* value each bit set to 1 will light up the
* corresponding Led.
*/
void setColumn(int addr, int col, byte value);
/*
* Display a hexadecimal digit on a 7-Segment Display
* Params:
* addr address of the display
* digit the position of the digit on the display (0..7)
* value the value to be displayed. (0x00..0x0F)
* dp sets the decimal point.
*/
void setDigit(int addr, int digit, byte value, boolean dp);
/*
* Display a character on a 7-Segment display.
* There are only a few characters that make sense here :
* '0','1','2','3','4','5','6','7','8','9','0',
* 'A','b','c','d','E','F','H','L','P',
* '.','-','_',' '
* Params:
* addr address of the display
* digit the position of the character on the display (0..7)
* value the character to be displayed.
* dp sets the decimal point.
*/
void setChar(int addr, int digit, char value, boolean dp);
};
#endif //LedControl.h

73
digistump-avr/libraries/LedControl/examples/LCDemo7Segment/LCDemo7Segment.pde Normal file
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//We always have to include the library
#include "LedControl.h"
/*
Now we need a LedControl to work with.
***** These pin numbers will probably not work with your hardware *****
pin 12 is connected to the DataIn
pin 11 is connected to the CLK
pin 10 is connected to LOAD
We have only a single MAX72XX.
*/
LedControl lc=LedControl(12,11,10,1);
/* we always wait a bit between updates of the display */
unsigned long delaytime=250;
void setup() {
/*
The MAX72XX is in power-saving mode on startup,
we have to do a wakeup call
*/
lc.shutdown(0,false);
/* Set the brightness to a medium values */
lc.setIntensity(0,8);
/* and clear the display */
lc.clearDisplay(0);
}
/*
This method will display the characters for the
word "Arduino" one after the other on digit 0.
*/
void writeArduinoOn7Segment() {
lc.setChar(0,0,'a',false);
delay(delaytime);
lc.setRow(0,0,0x05);
delay(delaytime);
lc.setChar(0,0,'d',false);
delay(delaytime);
lc.setRow(0,0,0x1c);
delay(delaytime);
lc.setRow(0,0,B00010000);
delay(delaytime);
lc.setRow(0,0,0x15);
delay(delaytime);
lc.setRow(0,0,0x1D);
delay(delaytime);
lc.clearDisplay(0);
delay(delaytime);
}
/*
This method will scroll all the hexa-decimal
numbers and letters on the display. You will need at least
four 7-Segment digits. otherwise it won't really look that good.
*/
void scrollDigits() {
for(int i=0;i<13;i++) {
lc.setDigit(0,3,i,false);
lc.setDigit(0,2,i+1,false);
lc.setDigit(0,1,i+2,false);
lc.setDigit(0,0,i+3,false);
delay(delaytime);
}
lc.clearDisplay(0);
delay(delaytime);
}
void loop() {
writeArduinoOn7Segment();
scrollDigits();
}

52
digistump-avr/libraries/LedControl/examples/LCDemoCascadedDevices/LCDemoCascadedDevices.pde Normal file
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//We always have to include the library
#include "LedControl.h"
/*
Now we need a LedControl to work with.
***** These pin numbers will probably not work with your hardware *****
pin 12 is connected to the DataIn
pin 11 is connected to the CLK
pin 10 is connected to LOAD
***** Please set the number of devices you have *****
But the maximum default of 8 MAX72XX wil also work.
*/
LedControl lc=LedControl(12,11,10,8);
/* we always wait a bit between updates of the display */
unsigned long delaytime=500;
/*
This time we have more than one device.
But all of them have to be initialized
individually.
*/
void setup() {
//we have already set the number of devices when we created the LedControl
int devices=lc.getDeviceCount();
//we have to init all devices in a loop
for(int address=0;address<devices;address++) {
/*The MAX72XX is in power-saving mode on startup*/
lc.shutdown(address,false);
/* Set the brightness to a medium values */
lc.setIntensity(address,8);
/* and clear the display */
lc.clearDisplay(address);
}
}
void loop() {
//read the number cascaded devices
int devices=lc.getDeviceCount();
//we have to init all devices in a loop
for(int row=0;row<8;row++) {
for(int col=0;col<8;col++) {
for(int address=0;address<devices;address++) {
delay(delaytime);
lc.setLed(address,row,col,true);
delay(delaytime);
lc.setLed(address,row,col,false);
}
}
}
}

163
digistump-avr/libraries/LedControl/examples/LCDemoMatrix/LCDemoMatrix.pde Normal file
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//We always have to include the library
#include "LedControl.h"
/*
Now we need a LedControl to work with.
***** These pin numbers will probably not work with your hardware *****
pin 12 is connected to the DataIn
pin 11 is connected to the CLK
pin 10 is connected to LOAD
We have only a single MAX72XX.
*/
LedControl lc=LedControl(12,11,10,1);
/* we always wait a bit between updates of the display */
unsigned long delaytime=100;
void setup() {
/*
The MAX72XX is in power-saving mode on startup,
we have to do a wakeup call
*/
lc.shutdown(0,false);
/* Set the brightness to a medium values */
lc.setIntensity(0,8);
/* and clear the display */
lc.clearDisplay(0);
}
/*
This method will display the characters for the
word "Arduino" one after the other on the matrix.
(you need at least 5x7 leds to see the whole chars)
*/
void writeArduinoOnMatrix() {
/* here is the data for the characters */
byte a[5]={B01111110,B10001000,B10001000,B10001000,B01111110};
byte r[5]={B00111110,B00010000,B00100000,B00100000,B00010000};
byte d[5]={B00011100,B00100010,B00100010,B00010010,B11111110};
byte u[5]={B00111100,B00000010,B00000010,B00000100,B00111110};
byte i[5]={B00000000,B00100010,B10111110,B00000010,B00000000};
byte n[5]={B00111110,B00010000,B00100000,B00100000,B00011110};
byte o[5]={B00011100,B00100010,B00100010,B00100010,B00011100};
/* now display them one by one with a small delay */
lc.setRow(0,0,a[0]);
lc.setRow(0,1,a[1]);
lc.setRow(0,2,a[2]);
lc.setRow(0,3,a[3]);
lc.setRow(0,4,a[4]);
delay(delaytime);
lc.setRow(0,0,r[0]);
lc.setRow(0,1,r[1]);
lc.setRow(0,2,r[2]);
lc.setRow(0,3,r[3]);
lc.setRow(0,4,r[4]);
delay(delaytime);
lc.setRow(0,0,d[0]);
lc.setRow(0,1,d[1]);
lc.setRow(0,2,d[2]);
lc.setRow(0,3,d[3]);
lc.setRow(0,4,d[4]);
delay(delaytime);
lc.setRow(0,0,u[0]);
lc.setRow(0,1,u[1]);
lc.setRow(0,2,u[2]);
lc.setRow(0,3,u[3]);
lc.setRow(0,4,u[4]);
delay(delaytime);
lc.setRow(0,0,i[0]);
lc.setRow(0,1,i[1]);
lc.setRow(0,2,i[2]);
lc.setRow(0,3,i[3]);
lc.setRow(0,4,i[4]);
delay(delaytime);
lc.setRow(0,0,n[0]);
lc.setRow(0,1,n[1]);
lc.setRow(0,2,n[2]);
lc.setRow(0,3,n[3]);
lc.setRow(0,4,n[4]);
delay(delaytime);
lc.setRow(0,0,o[0]);
lc.setRow(0,1,o[1]);
lc.setRow(0,2,o[2]);
lc.setRow(0,3,o[3]);
lc.setRow(0,4,o[4]);
delay(delaytime);
lc.setRow(0,0,0);
lc.setRow(0,1,0);
lc.setRow(0,2,0);
lc.setRow(0,3,0);
lc.setRow(0,4,0);
delay(delaytime);
}
/*
This function lights up a some Leds in a row.
The pattern will be repeated on every row.
The pattern will blink along with the row-number.
row number 4 (index==3) will blink 4 times etc.
*/
void rows() {
for(int row=0;row<8;row++) {
delay(delaytime);
lc.setRow(0,row,B10100000);
delay(delaytime);
lc.setRow(0,row,(byte)0);
for(int i=0;i<row;i++) {
delay(delaytime);
lc.setRow(0,row,B10100000);
delay(delaytime);
lc.setRow(0,row,(byte)0);
}
}
}
/*
This function lights up a some Leds in a column.
The pattern will be repeated on every column.
The pattern will blink along with the column-number.
column number 4 (index==3) will blink 4 times etc.
*/
void columns() {
for(int col=0;col<8;col++) {
delay(delaytime);
lc.setColumn(0,col,B10100000);
delay(delaytime);
lc.setColumn(0,col,(byte)0);
for(int i=0;i<col;i++) {
delay(delaytime);
lc.setColumn(0,col,B10100000);
delay(delaytime);
lc.setColumn(0,col,(byte)0);
}
}
}
/*
This function will light up every Led on the matrix.
The led will blink along with the row-number.
row number 4 (index==3) will blink 4 times etc.
*/
void single() {
for(int row=0;row<8;row++) {
for(int col=0;col<8;col++) {
delay(delaytime);
lc.setLed(0,row,col,true);
delay(delaytime);
for(int i=0;i<col;i++) {
lc.setLed(0,row,col,false);
delay(delaytime);
lc.setLed(0,row,col,true);
delay(delaytime);
}
}
}
}
void loop() {
writeArduinoOnMatrix();
rows();
columns();
single();
}

28
digistump-avr/libraries/LedControl/keywords.txt Normal file
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#######################################
# Syntax Coloring Map For LedControl
#######################################
#######################################
# Datatypes (KEYWORD1)
#######################################
LedControl KEYWORD1
#######################################
# Methods and Functions (KEYWORD2)
#######################################
shutdown KEYWORD2
setScanLimit KEYWORD2
setIntensity KEYWORD2
clearDisplay KEYWORD2
setLed KEYWORD2
setRow KEYWORD2
setColumn KEYWORD2
setDigit KEYWORD2
setChar KEYWORD2
#######################################
# Constants (LITERAL1)
#######################################