add neomatrix example

clean up warnings

Author: hathach

cores/nRF5/utility/utilities.c

@@ -36,6 +36,8 @@
 
 #include <Arduino.h>
 #include "utilities.h"
+#include <string.h>
+#include <stdio.h>
 
 #include "nrf_sdm.h"
 #include "nrf52/nrf_mbr.h"

libraries/Bluefruit52Lib/examples/Peripheral/neomatrix/neomatrix.ino

@@ -0,0 +1,120 @@
+/*********************************************************************
+ This is an example for our nRF52 based Bluefruit LE modules
+
+ Pick one up today in the adafruit shop!
+
+ Adafruit invests time and resources providing this open source code,
+ please support Adafruit and open-source hardware by purchasing
+ products from Adafruit!
+
+ MIT license, check LICENSE for more information
+ All text above, and the splash screen below must be included in
+ any redistribution
+*********************************************************************/
+
+// This sketch is intended to be used with the NeoPixel control
+// surface in Adafruit's Bluefruit LE Connect mobile application.
+
+#include <Arduino.h>
+#include <Adafruit_NeoPixel.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_NeoMatrix.h>
+#include <bluefruit.h>
+
+#define PIN             30   /* Pin used to drive the NeoPixels */
+
+#define MATRIX_WIDTH    4
+#define MATRIX_HEIGHT   8
+#define MATRIX_LAYOUT   (NEO_MATRIX_TOP + NEO_MATRIX_RIGHT + NEO_MATRIX_COLUMNS + NEO_MATRIX_PROGRESSIVE)
+
+// MATRIX DECLARATION:
+// Parameter 1 = width of NeoPixel matrix
+// Parameter 2 = height of matrix
+// Parameter 3 = pin number (most are valid)
+// Parameter 4 = matrix layout flags, add together as needed:
+//   NEO_MATRIX_TOP, NEO_MATRIX_BOTTOM, NEO_MATRIX_LEFT, NEO_MATRIX_RIGHT:
+//     Position of the FIRST LED in the matrix; pick two, e.g.
+//     NEO_MATRIX_TOP + NEO_MATRIX_LEFT for the top-left corner.
+//   NEO_MATRIX_ROWS, NEO_MATRIX_COLUMNS: LEDs are arranged in horizontal
+//     rows or in vertical columns, respectively; pick one or the other.
+//   NEO_MATRIX_PROGRESSIVE, NEO_MATRIX_ZIGZAG: all rows/columns proceed
+//     in the same order, or alternate lines reverse direction; pick one.
+//   See example below for these values in action.
+// Parameter 5 = pixel type flags, add together as needed:
+//   NEO_KHZ800  800 KHz bitstream (most NeoPixel products w/WS2812 LEDs)
+//   NEO_KHZ400  400 KHz (classic 'v1' (not v2) FLORA pixels, WS2811 drivers)
+//   NEO_GRB     Pixels are wired for GRB bitstream (most NeoPixel products)
+//   NEO_RGB     Pixels are wired for RGB bitstream (v1 FLORA pixels, not v2)
+
+Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(MATRIX_WIDTH, MATRIX_HEIGHT, PIN,
+                                               MATRIX_LAYOUT,
+                                               NEO_GRB + NEO_KHZ800);
+                                                 
+// BLE Service
+BLEDis  bledis;
+BLEUart bleuart;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(F("Adafruit Bluefruit NeoMatrix"));
+  Serial.println(F("------------------------------------"));
+
+  // Config Neopixels Matrix
+  matrix.begin();
+  matrix.setTextWrap(false);
+  matrix.setBrightness(40);
+  matrix.setTextColor( matrix.Color(0, 0, 255) ); // Blue for Bluefruit
+
+  // Init Bluefruit
+  Bluefruit.begin();
+  Bluefruit.setName("Bluefruit52");
+
+  // Configure and Start Device Information Service
+  bledis.setManufacturer("Adafruit Industries");
+  bledis.setModel("Bluefruit Feather52");
+  bledis.begin();  
+
+  // Configure and start BLE UART service
+  bleuart.begin();
+
+  // Set up the advertising packet
+  setupAdv();
+
+  // Start advertising
+  Bluefruit.Advertising.start();
+}
+
+void setupAdv(void)
+{  
+  // Bluefruit.Advertising.addTxPower();
+  Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
+  Bluefruit.Advertising.addTxPower();
+  
+  // Include bleuart 128-bit uuid
+  Bluefruit.Advertising.addService(bleuart);
+
+  // There is no room for Name in Advertising packet
+  // Use Scan response for Name
+  Bluefruit.ScanResponse.addName();
+}
+
+void loop()
+{
+  // Echo received data
+  if ( Bluefruit.connected() && bleuart.notifyEnabled() )
+  {
+    if ( bleuart.available() )
+    {
+      char ch = (char) bleuart.read();
+
+      matrix.fillScreen(0);
+      matrix.setCursor(0, 0);
+      matrix.print(ch);
+
+      matrix.show();
+      delay(100);
+    }    
+  }  
+}
+