Light Show library for organic, calm, light display.

Dependencies:   BLE_API mbed nRF51822

Fork of mbed_blinky by Mbed

main.cpp

Committer:
nargetdev
Date:
2016-01-29
Revision:
23:4bb74b53e112
Parent:
22:b618d55e9c9b
Child:
24:52319c0a14b8

File content as of revision 23:4bb74b53e112:

#include "mbed.h" 
#include "BLE.h"
#include "ButtonService.h"
//#include "UARTService.h"
#include <string>


#include "rgb_led.h"

#define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console;
                               * it will have an impact on code-size and power consumption. */

#if NEED_CONSOLE_OUTPUT
#define DEBUG(...) { printf(__VA_ARGS__); }
#else
#define DEBUG(STR) { if (uartServicePtr) uartServicePtr->write(STR, strlen(STR)); }
//#else
//#define DEBUG(...) /* nothing */
#endif /* #if NEED_CONSOLE_OUxTPUT */

//#define NRFDK
#define MKIT

#define CALIBRATION_TIME 3

//#define HPI 1.571
//#define PI 3.1416
//#define HYSTERESIS_QUANTITY  PI/4
//
//#define RWAIT 0
//#define GWAIT PI/8
//#define BWAIT PI/4


//UARTService *uartServicePtr;
const static char     DEVICE_NAME[] = "Bathroom";
static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID};

uint8_t motionState = 0;
ButtonService *buttonServicePtr;


unsigned long seed = 151;

 typedef unsigned char byte;
 typedef unsigned int uint;
 
#ifdef NRFDK
InterruptIn motion(p20);
PwmOut red(p21);
PwmOut green(p22);
PwmOut blue(p23);
#endif

#ifdef MKIT
//PwmOut red(p18);
//PwmOut green(p19);
//PwmOut blue(p20);
PwmOut red(p6);
PwmOut green(p22);
PwmOut blue(p30);
InterruptIn motion(p1);
#endif

// get some randomness
Timer t;

Serial pc(USBTX, USBRX); // tx, rx


BLEDevice  ble;

void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
{
    DEBUG("Disconnected!\n\r");
    DEBUG("Restarting the advertising process\n\r");
    ble.startAdvertising();
}



unsigned int hash(unsigned int x) {
    x = ((x >> 16) ^ x) * 0x45d9f3b;
    x = ((x >> 16) ^ x) * 0x45d9f3b;
    x = ((x >> 16) ^ x);
    seed*=2;
    seed+=17;
    return x%100;
}

void zero_out() {
    red.write(0);
    green.write(0);
    blue.write(0);
    printf("zero_out()\r\n");
}

void identify(unsigned int m){
    DEBUG("IDENTIFYING as: ");
    unsigned int hashable;
    float write_me;
    
    int r, g, b;
    
    hashable = hash(m + seed);
    write_me = hashable/100.0;
    r = hashable >= 50;
    red.write(r);

    hashable = hash(m + seed);
    write_me = hashable/100.0;
    g = hashable >= 50;
    green.write(g);
    
    hashable = hash(m + seed);
    write_me = hashable/100.0;
    b = hashable >= 50;
    blue.write(b);
    
    char* STR;
//    sprintf(STR, "r, g, b: %f\t\r\n", write_me);
//    DEBUG(STR);
    DEBUG("%d%d%d\r\n",r,g,b);
}
 
 void calibrate(){

  //give the sensor some time to calibrate
  pc.printf("calibrating sensor\n\r");
    for(int i = 0; i < CALIBRATION_TIME; i++){
      pc.printf(".");
      identify(CALIBRATION_TIME);
      wait(.5);
      }
    DEBUG(" done\n\r");
    zero_out();

    DEBUG("SENSOR ACTIVE\n\r");
    wait(0.05);
}

void motionIRQ(){
    motionState = 1;
}




    
int main() {
    DEBUG("Start Main.\r\n");
    
    // Set RTC time to Wed, 28 Oct 2009 11:35:37
    set_time(1256729737);
    t.start();
    red.period(0.01f);
    green.period(0.01f);
    blue.period(0.01f);


    calibrate();

    ble.init();
    ble.gap().onDisconnection(disconnectionCallback);

    ButtonService buttonService(ble, false /* initial value for button pressed */);
    buttonServicePtr = &buttonService;

    /* setup advertising */
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
    ble.gap().setAdvertisingInterval(1000); /* 1000ms. */
    ble.gap().startAdvertising();
    
    DEBUG("Instantiate strip.\r\n");
    Rgb strip;
    DEBUG("I have a strip.\r\n");

    while(1){
#ifdef MKIT
        motion.rise(&motionIRQ);
        if (motionState){
            pc.printf("Motion detected.\r\n");
            buttonServicePtr->updateButtonState(motionState);
            strip.show();
            motionState = 0;
            buttonServicePtr->updateButtonState(motionState);
            red.write(0.0f);
            green.write(0.0f);
            blue.write(0.0f);
        }
#endif
#ifdef NRFDK
        motion.fall(&strip.show());
#endif
//        red.write(0.0f);
//        green.write(0.0f);
//        blue.write(0.0f);
        ble.waitForEvent();
    }
}