Restructuring for supporting other modules

2012-01-11 01:39:34 +00:00
parent b32993401f
commit c297ea9e9f
8 changed files with 266 additions and 182 deletions
--- a/TM16XX.cpp
+++ b/TM16XX.cpp
@@ -0,0 +1,167 @@
+/*
+TM16XX.cpp - Library implementation for TM16XX.
+
+Copyright (C) 2011 Ricardo Batista (rjbatista <at> gmail <dot> com)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the version 3 GNU General Public License as
+published by the Free Software Foundation.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if defined(ARDUINO) && ARDUINO >= 100
+	#include "Arduino.h"
+#else
+	#include "WProgram.h"
+#endif
+
+#include "TM16XX.h"
+#include "string.h"
+
+TM16XX::TM16XX(byte dataPin, byte clockPin, byte strobePin, byte displays, boolean activateDisplay,
+	byte intensity)
+{
+  this->dataPin = dataPin;
+  this->clockPin = clockPin;
+  this->strobePin = strobePin;
+  this->displays = displays;
+
+  pinMode(dataPin, OUTPUT);
+  pinMode(clockPin, OUTPUT);
+  pinMode(strobePin, OUTPUT);
+
+  digitalWrite(strobePin, HIGH);
+  digitalWrite(clockPin, HIGH);
+
+  sendCommand(0x40);
+  sendCommand(0x80 | (activateDisplay ? 8 : 0) | min(7, intensity));
+
+  digitalWrite(strobePin, LOW);
+  send(0xC0);
+  for (int i = 0; i < 16; i++) {
+    send(0x00);
+  }
+  digitalWrite(strobePin, HIGH);
+}
+
+void TM16XX::setupDisplay(boolean active, byte intensity)
+{
+  sendCommand(0x80 | (active ? 8 : 0) | min(7, intensity));
+}
+
+void TM16XX::setDisplayDigit(byte digit, byte pos, boolean dot, const byte numberFont[])
+{
+  sendChar(pos, numberFont[digit & 0xF], dot);
+}
+
+void TM16XX::setDisplayToError()
+{
+    setDisplay(ERROR_DATA, 8);
+
+	for (int i = 8; i < displays; i++) {
+	    clearDisplayDigit(i, 0);
+	}
+}
+
+void TM16XX::clearDisplayDigit(byte pos, boolean dot)
+{
+  sendChar(pos, 0, dot);
+}
+
+void TM16XX::setDisplay(const byte values[], unsigned int size)
+{
+  for (int i = 0; i < size; i++) {
+    sendChar(i, values[i], 0);
+  }
+}
+
+void TM16XX::clearDisplay()
+{
+  for (int i = 0; i < displays; i++) {
+    sendData(i << 1, 0);
+  }
+}
+
+void TM16XX::setDisplayToString(const char* string, const word dots, const byte pos, const byte font[])
+{
+  for (int i = 0; i < displays - pos; i++) {
+  	if (string[i] != '\0') {
+	  sendChar(i + pos, font[string[i] - 32], dots & (1 << (displays - i - 1)) != 0);
+	} else {
+	  break;
+	}
+  }
+}
+
+void TM16XX::setDisplayToString(const String string, const word dots, const byte pos, const byte font[])
+{
+  int stringLength = string.length();
+
+  for (int i = 0; i < displays - pos; i++) {
+    if (i < stringLength) {
+      sendChar(i + pos, font[string.charAt(i) - 32], dots & (1 << (displays - i - 1)) != 0);
+    } else {
+      break;
+    }
+  }
+}
+
+void TM16XX::sendCommand(byte cmd)
+{
+  digitalWrite(strobePin, LOW);
+  send(cmd);
+  digitalWrite(strobePin, HIGH);
+}
+
+void TM16XX::sendData(byte address, byte data)
+{
+  sendCommand(0x44);
+  digitalWrite(strobePin, LOW);
+  send(0xC0 | address);
+  send(data);
+  digitalWrite(strobePin, HIGH);
+}
+
+void TM16XX::send(byte data)
+{
+  for (int i = 0; i < 8; i++) {
+    digitalWrite(clockPin, LOW);
+    digitalWrite(dataPin, data & 1 ? HIGH : LOW);
+    data >>= 1;
+    digitalWrite(clockPin, HIGH);
+  }
+}
+
+byte TM16XX::receive()
+{
+  byte temp = 0;
+
+  // Pull-up on
+  pinMode(dataPin, INPUT);
+  digitalWrite(dataPin, HIGH);
+
+  for (int i = 0; i < 8; i++) {
+    temp >>= 1;
+
+    digitalWrite(clockPin, LOW);
+
+    if (digitalRead(dataPin)) {
+      temp |= 0x80;
+    }
+
+    digitalWrite(clockPin, HIGH);
+  }
+
+  // Pull-up off
+  pinMode(dataPin, OUTPUT);
+  digitalWrite(dataPin, LOW);
+
+  return temp;
+}