mbed_adxl335_oled_NXP824

Dependencies:   Adafruit_GFX mbed

Files at this revision

API Documentation at this revision

Comitter:
pythonworld
Date:
Sun Nov 06 06:50:33 2016 +0000
Child:
1:427a48756218
Commit message:
NXP824 ADXL335 decline measure.

Changed in this revision

Adafruit_GFX.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Adafruit_GFX.lib	Sun Nov 06 06:50:33 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/nkhorman/code/Adafruit_GFX/#7fb1d4d3525d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Nov 06 06:50:33 2016 +0000
@@ -0,0 +1,76 @@
+#include "mbed.h"
+#include "Adafruit_SSD1306.h"
+#include <math.h>       /* atan2 */
+
+#define PI 3.14159265
+
+#define DO P0_24    //CLK
+#define DI P0_26    // MOSI
+#define CS P0_10
+#define DC P0_11
+#define RST P0_17
+
+class SPIPreInit : public SPI
+{
+public:
+    SPIPreInit(PinName mosi, PinName miso, PinName clk) : SPI(mosi,miso,clk) {
+        format(8,3);
+        frequency(2000000);
+    };
+};
+
+SPIPreInit mySpi(DI,NC,DO);
+Adafruit_SSD1306_Spi oled(mySpi,DC,RST,CS,64,128);
+
+DigitalOut myled1(P0_13);
+DigitalOut myled2(P0_16);
+DigitalOut myled3(P0_17);
+
+DigitalIn myinput1(P0_6);
+DigitalIn myinput2(P0_14);
+DigitalIn myinput3(P0_22);
+
+Serial uart(P0_4, P0_0);
+
+AnalogIn myadc1(A0);
+AnalogIn myadc2(A1);
+AnalogIn myadc3(A3);
+
+int main()
+{
+
+    double x, y, z, result;
+    myinput1.mode(PullNone);
+    myinput2.mode(PullNone);
+    myinput3.mode(PullNone);
+
+    oled.clearDisplay();
+    oled.setTextSize(2);
+    oled.setTextCursor(0,0);
+
+    while(1) {
+
+        uart.printf("X: %2.3f V\r\n" ,myadc1.read()*3.3);
+        uart.printf("Y: %2.3f V\r\n" ,myadc2.read()*3.3);
+        uart.printf("Z: %2.3f V\r\n" ,myadc3.read()*3.3);
+
+        z= (myadc2.read()*3.3-1.625)*3025.72;
+        x = (myadc1.read()*3.3-1.646)*3048.78;
+        y = (myadc3.read()*3.3-1.672)*3067.48;
+
+        result = atan2 (x,y) * 180 / PI;
+        uart.printf ("The arc tangent for (x=%f, y=%f) is %.4f degrees\r\n", x, y, result );
+        oled.printf (" %.2f D\r\n",result);
+        oled.printf ("Y: %.0f mg\r\n",z);
+
+        myled1 = 1;
+        myled2 = 0;
+        myled3 = 1;
+
+        oled.display();
+
+        wait(1);
+        oled.setTextCursor(0,0);
+        oled.clearDisplay();
+    }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Nov 06 06:50:33 2016 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9bcdf88f62b0
\ No newline at end of file