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3-Axis Digital Accelerometer
Dependencies: MMA7660FC WebSocketClient WiflyInterface mbed
main.cpp
- Committer:
- mbedschool
- Date:
- 2015-02-15
- Revision:
- 0:885e8749c58b
File content as of revision 0:885e8749c58b:
#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, "Nexus 5", "1234qwer", 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://wot.city/object/accelerometer/send"); 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 , "{ \"ax\": %f, \"ay\": %f, \"az\": %f\n}",ax,ay,az); ws.send(data); //wait(1.0); } }