python world / Mbed 2 deprecated mbed_adxl335_oled_NXP824

mbed_adxl335_oled_NXP824

Dependencies:   Adafruit_GFX mbed

main.cpp@0:cf82471d4484, 2016-11-06 (annotated)

Committer:
pythonworld
Date:
Sun Nov 06 06:50:33 2016 +0000
Revision:
0:cf82471d4484
Child:
1:427a48756218
NXP824 ADXL335 decline measure.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pythonworld 0:cf82471d4484 1 #include "mbed.h"
pythonworld 0:cf82471d4484 2 #include "Adafruit_SSD1306.h"
pythonworld 0:cf82471d4484 3 #include <math.h> /* atan2 */
pythonworld 0:cf82471d4484 4
pythonworld 0:cf82471d4484 5 #define PI 3.14159265
pythonworld 0:cf82471d4484 6
pythonworld 0:cf82471d4484 7 #define DO P0_24 //CLK
pythonworld 0:cf82471d4484 8 #define DI P0_26 // MOSI
pythonworld 0:cf82471d4484 9 #define CS P0_10
pythonworld 0:cf82471d4484 10 #define DC P0_11
pythonworld 0:cf82471d4484 11 #define RST P0_17
pythonworld 0:cf82471d4484 12
pythonworld 0:cf82471d4484 13 class SPIPreInit : public SPI
pythonworld 0:cf82471d4484 14 {
pythonworld 0:cf82471d4484 15 public:
pythonworld 0:cf82471d4484 16 SPIPreInit(PinName mosi, PinName miso, PinName clk) : SPI(mosi,miso,clk) {
pythonworld 0:cf82471d4484 17 format(8,3);
pythonworld 0:cf82471d4484 18 frequency(2000000);
pythonworld 0:cf82471d4484 19 };
pythonworld 0:cf82471d4484 20 };
pythonworld 0:cf82471d4484 21
pythonworld 0:cf82471d4484 22 SPIPreInit mySpi(DI,NC,DO);
pythonworld 0:cf82471d4484 23 Adafruit_SSD1306_Spi oled(mySpi,DC,RST,CS,64,128);
pythonworld 0:cf82471d4484 24
pythonworld 0:cf82471d4484 25 DigitalOut myled1(P0_13);
pythonworld 0:cf82471d4484 26 DigitalOut myled2(P0_16);
pythonworld 0:cf82471d4484 27 DigitalOut myled3(P0_17);
pythonworld 0:cf82471d4484 28
pythonworld 0:cf82471d4484 29 DigitalIn myinput1(P0_6);
pythonworld 0:cf82471d4484 30 DigitalIn myinput2(P0_14);
pythonworld 0:cf82471d4484 31 DigitalIn myinput3(P0_22);
pythonworld 0:cf82471d4484 32
pythonworld 0:cf82471d4484 33 Serial uart(P0_4, P0_0);
pythonworld 0:cf82471d4484 34
pythonworld 0:cf82471d4484 35 AnalogIn myadc1(A0);
pythonworld 0:cf82471d4484 36 AnalogIn myadc2(A1);
pythonworld 0:cf82471d4484 37 AnalogIn myadc3(A3);
pythonworld 0:cf82471d4484 38
pythonworld 0:cf82471d4484 39 int main()
pythonworld 0:cf82471d4484 40 {
pythonworld 0:cf82471d4484 41
pythonworld 0:cf82471d4484 42 double x, y, z, result;
pythonworld 0:cf82471d4484 43 myinput1.mode(PullNone);
pythonworld 0:cf82471d4484 44 myinput2.mode(PullNone);
pythonworld 0:cf82471d4484 45 myinput3.mode(PullNone);
pythonworld 0:cf82471d4484 46
pythonworld 0:cf82471d4484 47 oled.clearDisplay();
pythonworld 0:cf82471d4484 48 oled.setTextSize(2);
pythonworld 0:cf82471d4484 49 oled.setTextCursor(0,0);
pythonworld 0:cf82471d4484 50
pythonworld 0:cf82471d4484 51 while(1) {
pythonworld 0:cf82471d4484 52
pythonworld 0:cf82471d4484 53 uart.printf("X: %2.3f V\r\n" ,myadc1.read()*3.3);
pythonworld 0:cf82471d4484 54 uart.printf("Y: %2.3f V\r\n" ,myadc2.read()*3.3);
pythonworld 0:cf82471d4484 55 uart.printf("Z: %2.3f V\r\n" ,myadc3.read()*3.3);
pythonworld 0:cf82471d4484 56
pythonworld 0:cf82471d4484 57 z= (myadc2.read()*3.3-1.625)*3025.72;
pythonworld 0:cf82471d4484 58 x = (myadc1.read()*3.3-1.646)*3048.78;
pythonworld 0:cf82471d4484 59 y = (myadc3.read()*3.3-1.672)*3067.48;
pythonworld 0:cf82471d4484 60
pythonworld 0:cf82471d4484 61 result = atan2 (x,y) * 180 / PI;
pythonworld 0:cf82471d4484 62 uart.printf ("The arc tangent for (x=%f, y=%f) is %.4f degrees\r\n", x, y, result );
pythonworld 0:cf82471d4484 63 oled.printf (" %.2f D\r\n",result);
pythonworld 0:cf82471d4484 64 oled.printf ("Y: %.0f mg\r\n",z);
pythonworld 0:cf82471d4484 65
pythonworld 0:cf82471d4484 66 myled1 = 1;
pythonworld 0:cf82471d4484 67 myled2 = 0;
pythonworld 0:cf82471d4484 68 myled3 = 1;
pythonworld 0:cf82471d4484 69
pythonworld 0:cf82471d4484 70 oled.display();
pythonworld 0:cf82471d4484 71
pythonworld 0:cf82471d4484 72 wait(1);
pythonworld 0:cf82471d4484 73 oled.setTextCursor(0,0);
pythonworld 0:cf82471d4484 74 oled.clearDisplay();
pythonworld 0:cf82471d4484 75 }
pythonworld 0:cf82471d4484 76 }