Add "backpack.list" command

Author: matthijskooijman

Scout.cpp

@@ -45,19 +45,10 @@ void PinoccioScout::setup(bool isForcedLeadScout) {
   delay(5);
   bp.begin(BACKPACK_BUS);
   if (!bp.enumerate()) {
+    Serial.print("Backpack enumeration failed: ");
     bp.printLastError(Serial);
     Serial.println();
   }
-  //Serial.println("Backpacks found:");
-  for (uint8_t i = 0; i < bp.num_slaves; ++i) {
-    for (uint8_t j = 0; j < UNIQUE_ID_LENGTH; ++j) {
-      if (bp.slave_ids[i][j] < 0x10) {
-        Serial.print('0');
-      }
-      //Serial.print(bp.slave_ids[i][j]);
-    }
-    //Serial.println();
-  }
 
   handler.setup();
   Shell.setup();

Shell.cpp

@@ -68,6 +68,7 @@ void PinoccioShell::setup() {
   addBitlashFunction("pin.report", (bitlash_function) pinReport);
 
   addBitlashFunction("backpack.report", (bitlash_function) backpackReport);
+  addBitlashFunction("backpack.list", (bitlash_function) backpackList);
 
   addBitlashFunction("scout.report", (bitlash_function) scoutReport);
   addBitlashFunction("scout.isleadscout", (bitlash_function) isScoutLeadScout);
@@ -525,6 +526,23 @@ static numvar backpackReport(void) {
   sp("[{\"name\":\"wifi\",\"version\":\"1.0\"},{\"name\":\"environment\",\"version\":\"2.0\"}]");
 }
 
+static numvar backpackList(void) {
+  if (Scout.bp.num_slaves == 0) {
+    Serial.println("No backpacks found");
+  } else {
+    for (uint8_t i = 0; i < Scout.bp.num_slaves; ++i) {
+      for (uint8_t j = 0; j < UNIQUE_ID_LENGTH; ++j) {
+        if (Scout.bp.slave_ids[i][j] < 0x10) {
+          Serial.print('0');
+        }
+        Serial.print(Scout.bp.slave_ids[i][j]);
+      }
+      Serial.println();
+    }
+  }
+  return 0;
+}
+
 /****************************\
  *   SCOUT REPORT HANDLERS  *
 \****************************/

Shell.h

@@ -91,6 +91,7 @@ static numvar pinThreshold(void);
 static numvar pinReport(void);
 
 static numvar backpackReport(void);
+static numvar backpackList(void);
 
 static numvar scoutReport(void);
 static numvar isScoutLeadScout(void);