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changeset 44:55b68d1e8212

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opening usb apparently causes an arduino restart now, so i have to wait for that to pass before beginning communications Ignore-this: 9f34e8914c6bbe3fb54b2c8f5ed01804
author drewp@bigasterisk.com
date Sat, 29 Dec 2012 04:54:54 -0800
parents 6fbb05317eef
children 5b0f970e3d52
files service/garageArduino/garage/garage.ino service/garageArduino/garage/garage.pde service/garageArduino/garageArduino.py
diffstat 3 files changed, 164 insertions(+), 161 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/service/garageArduino/garage/garage.ino	Sat Dec 29 04:54:54 2012 -0800
@@ -0,0 +1,161 @@
+/*
+board is Arduino UNO with '328
+ */
+
+int datapin  = 7; // DI
+int latchpin = 9; // LI
+int clockpin = 8; // CI
+
+unsigned long SB_CommandPacket;
+int SB_CommandMode;
+int SB_BlueCommand;
+int SB_RedCommand;
+int SB_GreenCommand;
+
+#define SHIFT(val) shiftOut(datapin, clockpin, MSBFIRST, val)
+
+void SB_SendPacket() {
+  /* high bits are 00 for color, 01 for current */
+   SB_CommandPacket = SB_CommandMode & B11;
+   SB_CommandPacket = (SB_CommandPacket << 10)  | (SB_BlueCommand & 1023);
+   SB_CommandPacket = (SB_CommandPacket << 10)  | (SB_RedCommand & 1023);
+   SB_CommandPacket = (SB_CommandPacket << 10)  | (SB_GreenCommand & 1023);
+
+   SHIFT(SB_CommandPacket >> 24);
+   SHIFT(SB_CommandPacket >> 16);
+   SHIFT(SB_CommandPacket >> 8);
+   SHIFT(SB_CommandPacket);
+}
+
+void latch() {
+   delayMicroseconds(100);
+   digitalWrite(latchpin,HIGH); // latch data into registers
+   delayMicroseconds(100);
+   digitalWrite(latchpin,LOW); 
+}
+
+void setCurrent(byte r, byte g, byte b) { 
+ /* 127 = max */ 
+   SB_CommandMode = B01; // Write to current control registers
+   SB_RedCommand = r; 
+   SB_GreenCommand = g;
+   SB_BlueCommand = b;
+   SB_SendPacket();
+   latch();
+}
+
+
+void setup()   {                
+  
+  pinMode(2, INPUT);
+  digitalWrite(2, LOW); 
+// PIR sensor on here is a 
+// http://octopart.com/555-28027-parallax-708653 in a 
+// http://octopart.com/1551ggy-hammond-15686 box
+  
+  // the phototransistor on analog2 is jameco 2006414
+
+  pinMode(3, OUTPUT);
+  digitalWrite(3, LOW);
+  // this drives a relay for the garage door. There is a 
+  // LP filter on it so the garage doesn't open if there's 
+  // an arduino power-on glitch. It may be that atmel has 
+  // circuitry to prevent such glitches, so a pull-down
+  // resistor may be enough. I haven't checked carefully.
+
+  pinMode(4, OUTPUT);
+  pinMode(5, OUTPUT);
+  // video input selector. picks which video input will be multiplexed
+  // into the bt848 capture card
+
+  pinMode(6, OUTPUT);  // front yard light
+
+  pinMode(7, OUTPUT); // bathroom shiftbrite data
+  pinMode(8, OUTPUT); // bathroom shiftbrite clk
+  pinMode(9, OUTPUT); // bathroom shiftbrite latch
+
+  for (int i=0; i < 1; i++) {
+    setCurrent(127, 127, 127);
+  }
+
+  Serial.begin(115200);
+}
+
+int newBlinks = 0;
+int lastLevel = 0;
+int threshold = 750;
+int hold = 3; // pulse must last this many loops. Guessing-- I don't know the loop rate or the pulse width
+int seenFor = 0;
+
+void loop()                     
+{
+  unsigned char head, cmd, arg;
+  int level = analogRead(3) < threshold;
+  
+  if (level) {
+     seenFor++; 
+     if (seenFor == hold) {
+        newBlinks++; 
+     }
+  } else {
+     seenFor = 0;
+  }
+
+  if (Serial.available() >= 3) {
+    head = Serial.read();
+    if (head != 0x60) {
+      Serial.flush();
+      return;
+    }
+    cmd = Serial.read();
+    arg = Serial.read();
+    Serial.flush();
+    if (cmd == 0x00) {
+      Serial.print("{\"ok\":true}\n");
+    } else if (cmd == 0x01) { // poll
+      Serial.print("{\"newBlinks\":");
+      Serial.print(newBlinks);
+      Serial.print(", \"motion\":");
+      Serial.print(digitalRead(2) ? "true" : "false");
+      Serial.print("}\n");
+      newBlinks = 0;
+    } else if (cmd == 0x02) {
+      // current level
+      Serial.print("{\"z\":");
+      Serial.print(analogRead(3));
+      Serial.print("}\n");
+    } else if (cmd == 0x03) {
+      if (arg != 0) {
+        threshold = arg << 2;
+      }
+      Serial.print("{\"threshold\":");
+      Serial.print(threshold);
+      Serial.print("}\n");
+    } else if (cmd == 0x04) {
+      digitalWrite(3, arg);
+      Serial.print("{\"garage\":");
+      Serial.print(arg ? "true" : "false");
+      Serial.print("}\n");     
+    } else if (cmd == 0x05) { // set video	
+      digitalWrite(4, arg & 1);
+      digitalWrite(5, arg & 2);
+      Serial.print("{\"videoSelect\":");
+      Serial.print(arg);
+      Serial.print("}\n");     
+    } else if (cmd == 0x06) { // talk to shiftbrite
+      /*
+        one byte for the string length, then a buffer to be shifted
+        out to all the shiftbrites
+      */
+      for (int i=0; i<arg; i++) {
+        while (Serial.available() == 0) NULL;
+        SHIFT(Serial.read());
+      }
+      latch();
+      Serial.print("{\"ok\":1}\n");
+
+    }   
+  }
+}
+
+	
--- a/service/garageArduino/garage/garage.pde	Sun Dec 02 16:58:45 2012 -0800
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,161 +0,0 @@
-/*
-board is Arduino UNO with '328
- */
-
-int datapin  = 7; // DI
-int latchpin = 9; // LI
-int clockpin = 8; // CI
-
-unsigned long SB_CommandPacket;
-int SB_CommandMode;
-int SB_BlueCommand;
-int SB_RedCommand;
-int SB_GreenCommand;
-
-#define SHIFT(val) shiftOut(datapin, clockpin, MSBFIRST, val)
-
-void SB_SendPacket() {
-  /* high bits are 00 for color, 01 for current */
-   SB_CommandPacket = SB_CommandMode & B11;
-   SB_CommandPacket = (SB_CommandPacket << 10)  | (SB_BlueCommand & 1023);
-   SB_CommandPacket = (SB_CommandPacket << 10)  | (SB_RedCommand & 1023);
-   SB_CommandPacket = (SB_CommandPacket << 10)  | (SB_GreenCommand & 1023);
-
-   SHIFT(SB_CommandPacket >> 24);
-   SHIFT(SB_CommandPacket >> 16);
-   SHIFT(SB_CommandPacket >> 8);
-   SHIFT(SB_CommandPacket);
-}
-
-void latch() {
-   delayMicroseconds(100);
-   digitalWrite(latchpin,HIGH); // latch data into registers
-   delayMicroseconds(100);
-   digitalWrite(latchpin,LOW); 
-}
-
-void setCurrent(byte r, byte g, byte b) { 
- /* 127 = max */ 
-   SB_CommandMode = B01; // Write to current control registers
-   SB_RedCommand = r; 
-   SB_GreenCommand = g;
-   SB_BlueCommand = b;
-   SB_SendPacket();
-   latch();
-}
-
-
-void setup()   {                
-  
-  pinMode(2, INPUT);
-  digitalWrite(2, LOW); 
-// PIR sensor on here is a 
-// http://octopart.com/555-28027-parallax-708653 in a 
-// http://octopart.com/1551ggy-hammond-15686 box
-  
-  // the phototransistor on analog2 is jameco 2006414
-
-  pinMode(3, OUTPUT);
-  digitalWrite(3, LOW);
-  // this drives a relay for the garage door. There is a 
-  // LP filter on it so the garage doesn't open if there's 
-  // an arduino power-on glitch. It may be that atmel has 
-  // circuitry to prevent such glitches, so a pull-down
-  // resistor may be enough. I haven't checked carefully.
-
-  pinMode(4, OUTPUT);
-  pinMode(5, OUTPUT);
-  // video input selector. picks which video input will be multiplexed
-  // into the bt848 capture card
-
-  pinMode(6, OUTPUT);  // front yard light
-
-  pinMode(7, OUTPUT); // bathroom shiftbrite data
-  pinMode(8, OUTPUT); // bathroom shiftbrite clk
-  pinMode(9, OUTPUT); // bathroom shiftbrite latch
-
-  for (int i=0; i < 1; i++) {
-    setCurrent(127, 127, 127);
-  }
-
-  Serial.begin(115200);
-}
-
-int newBlinks = 0;
-int lastLevel = 0;
-int threshold = 750;
-int hold = 3; // pulse must last this many loops. Guessing-- I don't know the loop rate or the pulse width
-int seenFor = 0;
-
-void loop()                     
-{
-  unsigned char head, cmd, arg;
-  int level = analogRead(3) < threshold;
-  
-  if (level) {
-     seenFor++; 
-     if (seenFor == hold) {
-        newBlinks++; 
-     }
-  } else {
-     seenFor = 0;
-  }
-
-  if (Serial.available() >= 3) {
-    head = Serial.read();
-    if (head != 0x60) {
-      Serial.flush();
-      return;
-    }
-    cmd = Serial.read();
-    arg = Serial.read();
-    Serial.flush();
-    if (cmd == 0x00) {
-      Serial.print("{\"ok\":true}\n");
-    } else if (cmd == 0x01) { // poll
-      Serial.print("{\"newBlinks\":");
-      Serial.print(newBlinks);
-      Serial.print(", \"motion\":");
-      Serial.print(digitalRead(2) ? "true" : "false");
-      Serial.print("}\n");
-      newBlinks = 0;
-    } else if (cmd == 0x02) {
-      // current level
-      Serial.print("{\"z\":");
-      Serial.print(analogRead(3));
-      Serial.print("}\n");
-    } else if (cmd == 0x03) {
-      if (arg != 0) {
-        threshold = arg << 2;
-      }
-      Serial.print("{\"threshold\":");
-      Serial.print(threshold);
-      Serial.print("}\n");
-    } else if (cmd == 0x04) {
-      digitalWrite(3, arg);
-      Serial.print("{\"garage\":");
-      Serial.print(arg ? "true" : "false");
-      Serial.print("}\n");     
-    } else if (cmd == 0x05) { // set video	
-      digitalWrite(4, arg & 1);
-      digitalWrite(5, arg & 2);
-      Serial.print("{\"videoSelect\":");
-      Serial.print(arg);
-      Serial.print("}\n");     
-    } else if (cmd == 0x06) { // talk to shiftbrite
-      /*
-        one byte for the string length, then a buffer to be shifted
-        out to all the shiftbrites
-      */
-      for (int i=0; i<arg; i++) {
-        while (Serial.available() == 0) NULL;
-        SHIFT(Serial.read());
-      }
-      latch();
-      Serial.print("{\"ok\":1}\n");
-
-    }   
-  }
-}
-
-	
--- a/service/garageArduino/garageArduino.py	Sun Dec 02 16:58:45 2012 -0800
+++ b/service/garageArduino/garageArduino.py	Sat Dec 29 04:54:54 2012 -0800
@@ -35,7 +35,9 @@
 class ArduinoGarage(object):
     def __init__(self, port='/dev/ttyACM0'):
         self.ser = LoggingSerial(port=port, baudrate=115200, timeout=1)
+        time.sleep(2)  # wait for a arduino reset to pass
         self.ser.flush()
+        self.ping()
 
     def ping(self):
         self.ser.write("\x60\x00\x00")
@@ -223,6 +225,7 @@
                 newData = ard.poll()
             except ValueError, e:
                 print e
+                os.abort()
             else:
                 self.lastPollTime = now
                 self.lastValues = newData # for other data besides the blinks