2 files changed, 177 insertions, 0 deletions
diff --git a/CODE/debugprewk/debug/MCP23017/MCP23017.ino b/CODE/debugprewk/debug/MCP23017/MCP23017.ino
new file mode 100644
index 0000000..d295e7c
--- /dev/null
+++ b/CODE/debugprewk/debug/MCP23017/MCP23017.ino
@@ -0,0 +1,177 @@
+#include <Adafruit_MCP23X17.h>
+
+#define ir1  0   // GPA0
+#define ir2  1   // GPA1
+#define ir3  2   // GPA2
+#define ir4  3   // GPA3
+#define ir5  4   // GPA4  
+#define ir6  5   // GPA5
+#define ir7  6   // GPA6
+#define ir8  7   // GPA7
+#define ir9  8   // GPB0  
+#define ir10 9   // GPB1
+#define ir11 10  // GPB2
+#define ir12 11  // GPB3
+#define ir13 12  // GPB4
+#define ir14 13  // GPB5
+#define ir15 14  // GPB6
+#define ir16 15  // GPB7
+
+int dir1 = 1;   // data IR1
+int dir2 = 1;   // data IR2
+int dir3 = 1;   // etc
+int dir4 = 1;   
+int dir5 = 1;    
+int dir6 = 1;   
+int dir7 = 1;   
+int dir8 = 1;   
+int dir9 = 1;     
+int dir10 = 1;  
+int dir11 = 1; 
+int dir12 = 1; 
+int dir13 = 1; 
+int dir14 = 1; 
+int dir15 = 1; 
+int dir16 = 1; 
+
+int dir17 = 1;   // data IR17
+int dir18 = 1;   // data IR18
+int dir19 = 1;   // etc
+int dir20 = 1;   
+int dir21 = 1;    
+int dir22 = 1;   
+int dir23 = 1;   
+int dir24 = 1;   
+int dir25 = 1;     
+int dir26 = 1;  
+int dir27 = 1; 
+int dir28 = 1; 
+int dir29 = 1; 
+int dir30 = 1; 
+int dir31 = 1; 
+int dir32 = 1; 
+
+// Instance for the first MCP23017 at address 0x20
+Adafruit_MCP23X17 mcp1;
+
+// Instance for the second MCP23017 at address 0x22
+Adafruit_MCP23X17 mcp2;
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+  Serial.println("MCP23xxx Button Test!");
+
+  // Initialize first MCP23017 with I2C address 0x20
+  if (!mcp1.begin_I2C(0x20)) {
+    Serial.println("Error initializing MCP23017 at 0x20.");
+    while (1);
+  }
+
+  // Initialize second MCP23017 with I2C address 0x22
+  if (!mcp2.begin_I2C(0x22)) {
+    Serial.println("Error initializing MCP23017 at 0x22.");
+    while (1);
+  }
+
+  // Configure pins for the first MCP23017 (0x20)
+  mcp1.pinMode(ir1, INPUT);
+  mcp1.pinMode(ir2, INPUT);
+  mcp1.pinMode(ir3, INPUT);
+  mcp1.pinMode(ir4, INPUT);
+  mcp1.pinMode(ir5, INPUT);
+  mcp1.pinMode(ir6, INPUT);
+  mcp1.pinMode(ir7, INPUT);
+  mcp1.pinMode(ir8, INPUT);
+  mcp1.pinMode(ir9, INPUT);
+  mcp1.pinMode(ir10, INPUT);
+  mcp1.pinMode(ir11, INPUT);
+  mcp1.pinMode(ir12, INPUT);
+  mcp1.pinMode(ir13, INPUT);
+  mcp1.pinMode(ir14, INPUT);
+  mcp1.pinMode(ir15, INPUT);
+  mcp1.pinMode(ir16, INPUT);
+
+  // Configure pins for the second MCP23017 (0x22)
+  mcp2.pinMode(ir1, INPUT);
+  mcp2.pinMode(ir2, INPUT);
+  mcp2.pinMode(ir3, INPUT);
+  mcp2.pinMode(ir4, INPUT);
+  mcp2.pinMode(ir5, INPUT);
+  mcp2.pinMode(ir6, INPUT);
+  mcp2.pinMode(ir7, INPUT);
+  mcp2.pinMode(ir8, INPUT);
+  mcp2.pinMode(ir9, INPUT);
+  mcp2.pinMode(ir10, INPUT);
+  mcp2.pinMode(ir11, INPUT);
+  mcp2.pinMode(ir12, INPUT);
+  mcp2.pinMode(ir13, INPUT);
+  mcp2.pinMode(ir14, INPUT);
+  mcp2.pinMode(ir15, INPUT);
+  mcp2.pinMode(ir16, INPUT);
+
+  Serial.println("Looping...");
+}
+
+void loop() {
+  // Read pins from the first MCP23017 (0x20)
+  dir1 = mcp1.digitalRead(ir1);
+  dir2 = mcp1.digitalRead(ir2);
+  dir3 = mcp1.digitalRead(ir3);
+  dir4 = mcp1.digitalRead(ir4);
+  dir5 = mcp1.digitalRead(ir5);
+  dir6 = mcp1.digitalRead(ir6);
+  dir7 = mcp1.digitalRead(ir7);
+  dir8 = mcp1.digitalRead(ir8);
+  dir9 = mcp1.digitalRead(ir9);
+  dir10 = mcp1.digitalRead(ir10);
+  dir11 = mcp1.digitalRead(ir11);
+  dir12 = mcp1.digitalRead(ir12);
+  dir13 = mcp1.digitalRead(ir13);
+  dir14 = mcp1.digitalRead(ir14);
+  dir15 = mcp1.digitalRead(ir15);
+  dir16 = mcp1.digitalRead(ir16);
+  
+  // Read pins from the second MCP23017 (0x22)
+  dir17 = mcp2.digitalRead(ir1);
+  dir18 = mcp2.digitalRead(ir2);
+  dir19 = mcp2.digitalRead(ir3);
+  dir20 = mcp2.digitalRead(ir4);
+  dir21 = mcp2.digitalRead(ir5);
+  dir22 = mcp2.digitalRead(ir6);
+  dir23 = mcp2.digitalRead(ir7);
+  dir24 = mcp2.digitalRead(ir8);
+  dir25 = mcp2.digitalRead(ir9);
+  dir26 = mcp2.digitalRead(ir10);
+  dir27 = mcp2.digitalRead(ir11);
+  dir28 = mcp2.digitalRead(ir12);
+  dir29 = mcp2.digitalRead(ir13);
+  dir30 = mcp2.digitalRead(ir14);
+  dir31 = mcp2.digitalRead(ir15);
+  dir32 = mcp2.digitalRead(ir16);
+  
+  // Print the results from the first MCP23017 (0x20)
+  Serial.print("MCP23017 @ 0x20: ");
+  Serial.print(dir1); Serial.print(", "); Serial.print(dir2);
+  Serial.print(", "); Serial.print(dir3); Serial.print(", "); Serial.print(dir4);
+  Serial.print(", "); Serial.print(dir5); Serial.print(", "); Serial.print(dir6);
+  Serial.print(", "); Serial.print(dir7); Serial.print(", "); Serial.print(dir8);
+  Serial.print(", "); Serial.print(dir9); Serial.print(", "); Serial.print(dir10);
+  Serial.print(", "); Serial.print(dir11); Serial.print(", "); Serial.print(dir12);
+  Serial.print(", "); Serial.print(dir13); Serial.print(", "); Serial.print(dir14);
+  Serial.print(", "); Serial.print(dir15); Serial.print(", "); Serial.print(dir16);
+
+  // Print the results from the second MCP23017 (0x22)
+  Serial.print("  MCP23017 @ 0x22: ");
+  Serial.print(dir17); Serial.print(", "); Serial.print(dir18);
+  Serial.print(", "); Serial.print(dir19); Serial.print(", "); Serial.print(dir20);
+  Serial.print(", "); Serial.print(dir21); Serial.print(", "); Serial.print(dir22);
+  Serial.print(", "); Serial.print(dir23); Serial.print(", "); Serial.print(dir24);
+  Serial.print(", "); Serial.print(dir25); Serial.print(", "); Serial.print(dir26);
+  Serial.print(", "); Serial.print(dir27); Serial.print(", "); Serial.print(dir28);
+  Serial.print(", "); Serial.print(dir29); Serial.print(", "); Serial.print(dir30);
+  Serial.print(", "); Serial.print(dir31); Serial.print(", "); Serial.println(dir32);
+  
+  Serial.println();
+  delay(250);
+}
diff --git a/CODE/debugprewk/debug/MCP23017/mcp20317_schemss.jpg b/CODE/debugprewk/debug/MCP23017/mcp20317_schemss.jpg
new file mode 100644
index 0000000..5231394
--- /dev/null
+++ b/CODE/debugprewk/debug/MCP23017/mcp20317_schemss.jpg