Add lots of graphics libs and show axl readings

1 files changed, 84 insertions, 0 deletions

diff --git a/HelloWorld/ADXL335.cpp b/HelloWorld/ADXL335.cpp
new file mode 100644
index 0000000..9abdb3f
--- /dev/null
+++ b/HelloWorld/ADXL335.cpp
@@ -0,0 +1,84 @@
+/*
+    ADXL335.h
+    Library for accelerometer_ADXL335
+
+    Copyright (c) 2013 seeed technology inc.
+    Author        :   FrankieChu
+    Create Time   :   Jan 2013
+    Change Log    :
+
+    The MIT License (MIT)
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+    THE SOFTWARE.
+*/
+
+#include <Arduino.h>
+#include "ADXL335.h"
+
+void ADXL335::pinsInit() {
+    pinMode(X_AXIS_PIN, INPUT);
+    pinMode(Y_AXIS_PIN, INPUT);
+    pinMode(Z_AXIS_PIN, INPUT);
+}
+void ADXL335::begin() {
+    pinsInit();
+    scale = (float)SENSITIVITY * ADC_AMPLITUDE / ADC_REF;
+}
+void ADXL335::getXYZ(int* x, int* y, int* z) {
+    *x = analogRead(X_AXIS_PIN);
+    *y = analogRead(Y_AXIS_PIN);
+    *z = analogRead(Z_AXIS_PIN);
+}
+void ADXL335::getAcceleration(float* ax, float* ay, float* az) {
+    int x, y, z;
+    float xvoltage, yvoltage, zvoltage;
+    getXYZ(&x, &y, &z);
+    
+    xvoltage = (float)x * ADC_REF / ADC_AMPLITUDE;
+    yvoltage = (float)y * ADC_REF / ADC_AMPLITUDE;
+    zvoltage = (float)z * ADC_REF / ADC_AMPLITUDE;
+    
+    *ax = (xvoltage - ZERO_X) / SENSITIVITY;
+    *ay = (yvoltage - ZERO_Y) / SENSITIVITY;
+    *az = (zvoltage - ZERO_Z) / SENSITIVITY;
+}
+float ADXL335::getAccelerationX() {
+    int x, y, z;
+    float xvoltage, ax;
+    getXYZ(&x, &y, &z);
+    xvoltage = (float)x * ADC_REF / ADC_AMPLITUDE;
+    ax = (xvoltage - ZERO_X) / SENSITIVITY;
+    return ax;
+}
+float ADXL335::getAccelerationY() {
+    int x, y, z;
+    float yvoltage, ay;
+    getXYZ(&x, &y, &z);
+    yvoltage = (float)y * ADC_REF / ADC_AMPLITUDE;
+    ay = (yvoltage - ZERO_Y) / SENSITIVITY;
+    return ay;
+}
+float ADXL335::getAccelerationZ() {
+    int x, y, z;
+    float zvoltage, az;
+    getXYZ(&x, &y, &z);
+    zvoltage = (float)z * ADC_REF / ADC_AMPLITUDE;
+    az = (zvoltage - ZERO_Z) / SENSITIVITY;
+    return az;
+}