Mac Lobdell / Mbed OS Adafruit_LEDBackpack_32x8_App

Example application for two 16x8 Adafruit LED Backpacks to make a 32 x 8 matrix.

Dependencies:   Adafruit_32x8matrix

Fork of Adafruit_LEDBackpack_16x8_App by Mac Lobdell

/media/uploads/maclobdell/austin_iot_lab.jpg

This project uses two 16x8 1.2" LED Matrix + Backpacks stuck together to make a 32x8 double-length matrix.

main.cpp@8:5f5ceafa826d, 2017-12-11 (annotated)

Committer:
maclobdell
Date:
Mon Dec 11 19:23:47 2017 +0000
Revision:
8:5f5ceafa826d
Parent:
7:1bd79d71396a 
updated to demonstrate new playText function which parses through a sentence and either shows or scrolls each word depending on the size

Who changed what in which revision?

UserRevisionLine numberNew contents of line
maclobdell 8:5f5ceafa826d 1 /*
maclobdell 8:5f5ceafa826d 2 * Copyright (c) 2016 ARM Limited. All rights reserved.
maclobdell 8:5f5ceafa826d 3 * SPDX-License-Identifier: Apache-2.0
maclobdell 8:5f5ceafa826d 4 * Licensed under the Apache License, Version 2.0 (the License); you may
maclobdell 8:5f5ceafa826d 5 * not use this file except in compliance with the License.
maclobdell 8:5f5ceafa826d 6 * You may obtain a copy of the License at
maclobdell 8:5f5ceafa826d 7 *
maclobdell 8:5f5ceafa826d 8 * http://www.apache.org/licenses/LICENSE-2.0
maclobdell 8:5f5ceafa826d 9 *
maclobdell 8:5f5ceafa826d 10 * Unless required by applicable law or agreed to in writing, software
maclobdell 8:5f5ceafa826d 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
maclobdell 8:5f5ceafa826d 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
maclobdell 8:5f5ceafa826d 13 * See the License for the specific language governing permissions and
maclobdell 8:5f5ceafa826d 14 * limitations under the License.
maclobdell 8:5f5ceafa826d 15 */
maclobdell 8:5f5ceafa826d 16
maclobdell 0:2eec8a9428ea 17 #include "mbed.h"
maclobdell 0:2eec8a9428ea 18
maclobdell 6:8d2eb79a4baf 19 #include "Adafruit_32x8matrix.h"
maclobdell 8:5f5ceafa826d 20
maclobdell 6:8d2eb79a4baf 21 #define I2C_ADDR1 0x70
maclobdell 6:8d2eb79a4baf 22 #define I2C_ADDR2 0x71
maclobdell 6:8d2eb79a4baf 23 #define ROTATION1 0
maclobdell 6:8d2eb79a4baf 24 #define ROTATION2 2
maclobdell 6:8d2eb79a4baf 25 #define BRIGHTNESS 1
maclobdell 8:5f5ceafa826d 26
maclobdell 0:2eec8a9428ea 27 I2C i2c(D14, D15);
maclobdell 8:5f5ceafa826d 28
maclobdell 6:8d2eb79a4baf 29 Adafruit_32x8matrix matrix(&i2c, I2C_ADDR1, I2C_ADDR2, ROTATION1, ROTATION2, BRIGHTNESS);
maclobdell 8:5f5ceafa826d 30
maclobdell 0:2eec8a9428ea 31 int main() {
maclobdell 8:5f5ceafa826d 32 char buffer [50];
maclobdell 7:1bd79d71396a 33
maclobdell 8:5f5ceafa826d 34 while(1)
maclobdell 8:5f5ceafa826d 35 {
maclobdell 8:5f5ceafa826d 36 snprintf(buffer, 50, "Hi, how are you today?\0"); //pass in max chars to prevent overflow
maclobdell 8:5f5ceafa826d 37 matrix.playText(buffer,strlen(buffer), 1);
maclobdell 8:5f5ceafa826d 38
maclobdell 4:8641e4da6744 39 Thread::wait(10000);
maclobdell 4:8641e4da6744 40 }
maclobdell 8:5f5ceafa826d 41
maclobdell 1:dd1d1b64b9a5 42 }