Darold Kelly / Mbed 2 deprecated MECH478ProjectCode

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Dependencies:   mbed MMA8452Q 4DGL-uLCD-SE

main.cpp@1:f86748aa5d16, 2022-05-12 (annotated)

Committer:
daroldkellyjr
Date:
Thu May 12 15:29:41 2022 +0000
Revision:
1:f86748aa5d16
Parent:
0:ba1ff21c7bad 
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daroldkellyjr 0:ba1ff21c7bad 1 /*-------------------------------------------------------------
daroldkellyjr 0:ba1ff21c7bad 2 //-------------------------------------------------------------\\
daroldkellyjr 0:ba1ff21c7bad 3 || Bought to you by.... ||
daroldkellyjr 0:ba1ff21c7bad 4 || _____ _ _ ||
daroldkellyjr 0:ba1ff21c7bad 5 || \ _ \ _ _ | | / / _ _ _ _ ||
daroldkellyjr 0:ba1ff21c7bad 6 || | | | |__ ___ ___ | | __| | | |/ /___ | | | |\ \ / / ||
daroldkellyjr 0:ba1ff21c7bad 7 || | | | | -\ - \ __ \ |/ _` | | / __\| | | | \ \/ / ||
daroldkellyjr 0:ba1ff21c7bad 8 || | |/ | \ _ / __| || (_| | | |\ \ _\| | | | | | ||
daroldkellyjr 0:ba1ff21c7bad 9 || /____/ _/\_\ \_\ __/_|\__,_| |_| \_\____\| |_| |_| ||
daroldkellyjr 0:ba1ff21c7bad 10 || Electrical Engineer @ University of the District of Colombia ||
daroldkellyjr 0:ba1ff21c7bad 11 || ||
daroldkellyjr 0:ba1ff21c7bad 12 || Date: 5/11/22 ||
daroldkellyjr 0:ba1ff21c7bad 13 || ||
daroldkellyjr 0:ba1ff21c7bad 14 || Description: MECH478 CBE Completion Project ||
daroldkellyjr 0:ba1ff21c7bad 15 || ||
daroldkellyjr 0:ba1ff21c7bad 16 \\-------------------------------------------------------------//
daroldkellyjr 0:ba1ff21c7bad 17 ------------------------------------------------------------- */
daroldkellyjr 0:ba1ff21c7bad 18
daroldkellyjr 0:ba1ff21c7bad 19 // uLCD-144-G2 and MMA8452Q 3-axis accelerometer
daroldkellyjr 0:ba1ff21c7bad 20
daroldkellyjr 0:ba1ff21c7bad 21 #include "mbed.h"
daroldkellyjr 0:ba1ff21c7bad 22 #include "MMA8452Q.h"
daroldkellyjr 0:ba1ff21c7bad 23 #include "uLCD_4DGL.h"
daroldkellyjr 0:ba1ff21c7bad 24
daroldkellyjr 0:ba1ff21c7bad 25 // Graphic LCD - TX, RX, and RES pins
daroldkellyjr 0:ba1ff21c7bad 26 uLCD_4DGL uLCD(p9,p10,p11);
daroldkellyjr 0:ba1ff21c7bad 27
daroldkellyjr 0:ba1ff21c7bad 28 // Accelerometer - SDA, SCL, and I2C address
daroldkellyjr 0:ba1ff21c7bad 29 MMA8452Q accel(p28, p27, 0x1D);
daroldkellyjr 0:ba1ff21c7bad 30
daroldkellyjr 0:ba1ff21c7bad 31 int main() {
daroldkellyjr 0:ba1ff21c7bad 32
daroldkellyjr 0:ba1ff21c7bad 33 // Initialize uLCD
daroldkellyjr 0:ba1ff21c7bad 34 uLCD.baudrate(115200);
daroldkellyjr 0:ba1ff21c7bad 35 uLCD.background_color(BLACK);
daroldkellyjr 0:ba1ff21c7bad 36 uLCD.cls();
daroldkellyjr 0:ba1ff21c7bad 37
daroldkellyjr 0:ba1ff21c7bad 38 // Initialize accelerometer
daroldkellyjr 0:ba1ff21c7bad 39 accel.init();
daroldkellyjr 0:ba1ff21c7bad 40
daroldkellyjr 0:ba1ff21c7bad 41 // Initial parameters for the circle
daroldkellyjr 0:ba1ff21c7bad 42 float x = 64;
daroldkellyjr 0:ba1ff21c7bad 43 float y = 64;
daroldkellyjr 0:ba1ff21c7bad 44 int radius = 4;
daroldkellyjr 0:ba1ff21c7bad 45 int speed = 4;
daroldkellyjr 0:ba1ff21c7bad 46
daroldkellyjr 0:ba1ff21c7bad 47 // Make a ball "fall" in direction of accelerometer
daroldkellyjr 0:ba1ff21c7bad 48 while (1) {
daroldkellyjr 0:ba1ff21c7bad 49
daroldkellyjr 0:ba1ff21c7bad 50 // Draw a red circle
daroldkellyjr 0:ba1ff21c7bad 51 uLCD.filled_circle((int)x, (int)y, radius, RED);
daroldkellyjr 0:ba1ff21c7bad 52
daroldkellyjr 0:ba1ff21c7bad 53 // Wait before erasing old circle
daroldkellyjr 0:ba1ff21c7bad 54 wait(0.02); // In seconds
daroldkellyjr 0:ba1ff21c7bad 55
daroldkellyjr 0:ba1ff21c7bad 56 // Erase old circle
daroldkellyjr 0:ba1ff21c7bad 57 uLCD.filled_circle((int)x, (int)y, radius, BLACK);
daroldkellyjr 0:ba1ff21c7bad 58
daroldkellyjr 0:ba1ff21c7bad 59 // Move circle. IMPORTANT! Notice how we adjust for sensor orientation!
daroldkellyjr 0:ba1ff21c7bad 60 x -= (speed * accel.readY());
daroldkellyjr 0:ba1ff21c7bad 61 y -= (speed * accel.readX());
daroldkellyjr 0:ba1ff21c7bad 62
daroldkellyjr 0:ba1ff21c7bad 63 // Make circle sit on edges
daroldkellyjr 0:ba1ff21c7bad 64 if ( x <= radius + 1 ) {
daroldkellyjr 0:ba1ff21c7bad 65 x = radius + 1;
daroldkellyjr 0:ba1ff21c7bad 66 } else if ( x >= 126 - radius ) {
daroldkellyjr 0:ba1ff21c7bad 67 x = 126 - radius;
daroldkellyjr 0:ba1ff21c7bad 68 }
daroldkellyjr 0:ba1ff21c7bad 69 if ( y <= radius + 1 ) {
daroldkellyjr 0:ba1ff21c7bad 70 y = radius + 1;
daroldkellyjr 0:ba1ff21c7bad 71 } else if ( y >= 126 - radius ) {
daroldkellyjr 0:ba1ff21c7bad 72 y = 126 - radius;
daroldkellyjr 0:ba1ff21c7bad 73 }
daroldkellyjr 0:ba1ff21c7bad 74 }
daroldkellyjr 0:ba1ff21c7bad 75 }