![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
3-Axis Digital Accelerometer
Dependencies: MMA7660FC WebSocketClient WiflyInterface mbed
Diff: main.cpp
- Revision:
- 0:de962bd57d31
diff -r 000000000000 -r de962bd57d31 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Feb 06 04:56:32 2015 +0000 @@ -0,0 +1,90 @@ +#include "mbed.h" +#include "WiflyInterface.h" +#include "Websocket.h" +#include "MMA7660FC.h" + + +/* wifly interface: +* - p9 and p10 are for the serial communication +* - p19 is for the reset pin +* - p26 is for the connection status +* - "mbed" is the ssid of the network +* - "password" is the password +* - WPA is the security +*/ +WiflyInterface wifly(p13, p14, p19, p26, "WWNet", "mmmmmmmm", WPA); +DigitalOut myled1(LED1); +DigitalOut myled2(LED2); +DigitalOut myled3(LED3); +DigitalOut myled4(LED4); + +#define ADDR_MMA7660 0x98 // I2C SLAVE ADDR MMA7660FC + +MMA7660FC Acc(p28, p27, ADDR_MMA7660); //sda, scl, Addr +Serial pc(USBTX, USBRX); + + +float G_VALUE[64] = {0, 0.047, 0.094, 0.141, 0.188, 0.234, 0.281, 0.328, 0.375, 0.422, 0.469, 0.516, 0.563, 0.609, 0.656, 0.703, 0.750, 0.797, 0.844, 0.891, 0.938, 0.984, 1.031, 1.078, 1.125, 1.172, 1.219, 1.266, 1.313, 1.359, 1.406, 1.453, -1.500, -1.453, -1.406, -1.359, -1.313, -1.266, -1.219, -1.172, -1.125, -1.078, -1.031, -0.984, -0.938, -0.891, -0.844, -0.797, -0.750, -0.703, -0.656, -0.609, -0.563, -0.516, -0.469, -0.422, -0.375, -0.328, -0.281, -0.234, -0.188, -0.141, -0.094, -0.047}; + +int main() { + wifly.init(); //Use DHCP + //wifly.init("192.168.21.33","255.255.255.0","192.168.21.2"); + while (!wifly.connect()); + myled4=1; + printf("IP Address is %s\n\r", wifly.getIPAddress()); + + Websocket ws("ws://sockets.mbed.org/ws/mbedschool/viewer"); + while (!ws.connect()); + myled2=1; + + + Acc.init(); // Initialization + pc.printf("Value reg 0x06: %#x\n", Acc.read_reg(0x06)); // Test the correct value of the register 0x06 + pc.printf("Value reg 0x08: %#x\n", Acc.read_reg(0x08)); // Test the correct value of the register 0x08 + pc.printf("Value reg 0x07: %#x\n\r", Acc.read_reg(0x07)); // Test the correct value of the register 0x07 + + + + while (1) { + char data[256]; + + myled4=1; + float x=0, y=0, z=0; + float ax=0, ay=0, az=0; + + Acc.read_Tilt(&x, &y, &z); // Read the acceleration + pc.printf("Tilt x: %2.2f degree \n", x); // Print the tilt orientation of the X axis + pc.printf("Tilt y: %2.2f degree \n", y); // Print the tilt orientation of the Y axis + pc.printf("Tilt z: %2.2f degree \n", z); // Print the tilt orientation of the Z axis + + wait_ms(100); + + + + ax = G_VALUE[Acc.read_x()]; + ay = G_VALUE[Acc.read_y()]; + az = G_VALUE[Acc.read_z()]; + + if(ax<0){ + myled1=1; + }else{ + myled1=0; + } + if(ay<0){ + myled2=1; + }else{ + myled2=0; + } + if(az<0){ + myled3=1; + }else{ + myled3=0; + } + + wait(1); + sprintf( data , " X: %d, Y: %d, Z: %d\n", ax, ay, az ); + ws.send(data); + + //wait(1.0); + } +}