From fdba391eb6e7dd0103bda66faaef69a4b7b410d9 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Wed, 15 May 2013 18:06:25 +0200
Subject: Update Bridge library

---
 libraries/Bridge/examples/Bridge/Bridge.ino | 94 +++++++++++++++++++++++------
 1 file changed, 76 insertions(+), 18 deletions(-)

(limited to 'libraries/Bridge/examples')

diff --git a/libraries/Bridge/examples/Bridge/Bridge.ino b/libraries/Bridge/examples/Bridge/Bridge.ino
index 848cc4e..c4f71db 100644
--- a/libraries/Bridge/examples/Bridge/Bridge.ino
+++ b/libraries/Bridge/examples/Bridge/Bridge.ino
@@ -1,32 +1,90 @@
 
 #include <Bridge.h>
 
-void brk() {
-  Bridge.print((char)3);
-}
-
 void setup() {
   pinMode(13,OUTPUT);
   digitalWrite(13, LOW);
   Bridge.begin();
   digitalWrite(13, HIGH); 
-
-  delay(2000);
-  int handle = Bridge.beginCommand("curl");
-  Bridge.commandAddEscapedParam("http://arduino.cc/asciilogo.txt");
-  Bridge.endCommand();
-
-  while (Bridge.commandIsRunning(handle))
-    delay(250);
-  
-  int size = Bridge.commandOutputSize(handle);
-  char buff[20];
-  Bridge.readCommandOutput(handle, 0, size, buff);
-  buff[size]=0;
-  Bridge.print(buff);brk();
 }
 
 void loop() {
+  while (Bridge.messageAvailable()) {
+    uint8_t buff[64];
+    int l = Bridge.readMessage(buff, 64);
+    process(buff, l);
+  }
+  delay(100); // Poll every 0.100s
+}
+
+void process(uint8_t buff[], int l) {
+  // "DWppv"   -> digitalWrite(pp, v)
+  // "DRpp"    -> digitalRead(pp)      -> "Dpp0" / "Dpp1"
+  // "AWppvvv" -> analogWrite(pp, vvv)
+  // "ARpp"    -> analogRead(pp)       -> "App0000" - "App1023"
+  // "PIpp"    -> pinMode(pp, INPUT)
+  // "POpp"    -> pinMode(pp, OUTPUT)
+
+  // Sanity check
+  if (l<4 || l>7)
+    return;
+  if (buff[2]<'0' || buff[2]>'9')
+    return;
+  if (buff[3]<'0' || buff[3]>'9')
+    return;
+  char cmd0 = buff[0];
+  char cmd1 = buff[1];
+  int pin = (buff[2]-'0')*10 + (buff[3]-'0');
+  if (pin<0 || pin>13)
+    return;
+
+  // Command selection
+  if (l==5 && cmd0=='D' && cmd1=='W') {
+    char c = buff[4];
+    if (c=='0' || c=='1')
+      digitalWrite(pin, c-'0');
+  } else if (l==4 && cmd0=='D' && cmd1=='R') {
+    reportDigitalRead(pin, true, true);
+  } else if (l==7 && cmd0=='A' && cmd1=='W') {
+    analogWrite(pin, buff[4]);
+  } else if (l==4 && cmd0=='A' && cmd1=='R') {
+    reportAnalogRead(pin);
+  } else if (l==4 && cmd0=='P' && cmd1=='I') {
+    pinMode(pin, INPUT);
+  } else if (l==4 && cmd0=='P' && cmd1=='O') {
+    pinMode(pin, OUTPUT);
+  }
+}
+
+void reportDigitalRead(int pin, boolean raw, boolean dataset) {
+  // "Dpp0" - "Dpp1"
+  //                  0    1    2    3
+  uint8_t buff[] = { 'D', '0', '0', '0' };
+  buff[1] += pin/10;
+  buff[2] += pin%10;
+  if (digitalRead(pin) == HIGH)
+    buff[3] = '1';
+  if (raw)
+    Bridge.writeMessage(buff, 4);
+  if (dataset) {
+    char *val = "0";
+    val[0] = buff[3];
+    buff[3] = 0;
+    Bridge.put((const char *)buff, val);
+  }
 }
 
+void reportAnalogRead(int pin) {
+  // "App0000" - "App1023"
+  //                  0    1    2    3    4    5    6
+  uint8_t buff[] = { 'A', '0', '0', '0', '0', '0', '0' };
+  buff[1] += pin/10;
+  buff[2] += pin%10;
 
+  int v = analogRead(pin);
+  buff[6] += v%10; v /= 10;
+  buff[5] += v%10; v /= 10;
+  buff[4] += v%10; v /= 10;
+  buff[3] += v;
+  Bridge.writeMessage(buff, 7);
+}
\ No newline at end of file
-- 
cgit v1.2.3-18-g5258