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Light Show library for organic, calm, light display.
Dependencies: BLE_API mbed nRF51822
Fork of mbed_blinky by
main.cpp
- Committer:
- nargetdev
- Date:
- 2015-12-06
- Revision:
- 21:3960e3b8ca7b
- Parent:
- 20:fa23847fbfef
- Child:
- 22:b618d55e9c9b
File content as of revision 21:3960e3b8ca7b:
#include "mbed.h" #include "BLE.h" #include "ButtonService.h" //#include "UARTService.h" #include <string> #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); 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; } class Rgb { private: // PI macros static const float INCREMENT = 0.00628*4; static const float HPI = 1.571; static const float PI = 3.1416; static const float HYSTERESIS_QUANTITY = PI/4; static const float RWAIT = 0; static const float GWAIT = PI/8; static const float BWAIT = PI/4; float WAIT [3]; float SCALE [3]; // static const float SCALE[3] = { // channel operators float rgb_c[3]; float in; uint8_t rgb; float hysteresis; uint8_t i; bool mov; void randomize_params() { float rand_seed = t.read(); pc.printf("%f\n\r", rand_seed); int rand_int = t.read() * 7919; time_t seconds = time(NULL); pc.printf("Time as seconds since January 1, 1970 = %d\n\r", seconds); srand(rand_int); pc.printf("A random %d\r\n", rand() ); // generate random values in 0.0 - 1.0 uint8_t blah; for (int j = 0; j < 3; j++) { srand(rand_int+j); blah = rand(); SCALE[j] = (float) blah; SCALE[j] /= (float) 0xff; SCALE[j] = SCALE[j]*HPI + 1; pc.printf("scale %d, %f\n\r", i, SCALE[i]); srand(blah+j % 17 + 7); blah = rand(); WAIT[j] = (float) blah; WAIT[j] /= (float) 0xff; WAIT[j] *= HPI; pc.printf("wait %d, %f\n\r", i, WAIT[i]); } rgb = 0x0; printf("Params Initialized\r\n"); } void update_rgb_values () { // printf("Updating RGB values...\r\n"); for (i=0; i<3; i++){ if (!(rgb & (0x1 << i) )){ if ( in > WAIT[i]){ // printf("%d, %d, result: %d\r\n", rgb, (0x1 << i), (!(rgb & (0x1 << i)) ) ); rgb_c[i] = -cos((in - WAIT[i])*SCALE[i]) + 1; } else { rgb_c[i] = 0.0; } } else rgb_c[i] = 0.0; pc.printf("%f\t",rgb_c[i]); } pc.printf("\n\r"); // exit(0); } void write_rgb (){ red.write(rgb_c[0]/2.0); green.write(rgb_c[1]/2.0); blue.write(rgb_c[2]/2.0); } public: //Rgb(); void show() { pc.printf("show\r\n"); // randomize the delay and scale values randomize_params(); printf("params initialized:\n\r"); printf("WAIT:\t%f\t%f\t%f\n\r", WAIT[0], WAIT[1], WAIT[2]); printf("SCALE:\t%f\t%f\t%f\n\r", SCALE[0], SCALE[1], SCALE[2]); for (in = 0; in < hysteresis || rgb != 0x7; in = in + INCREMENT){ #ifdef MKIT bool mov = motion; #else bool mov = !motion; #endif if (mov){ hysteresis = in + HYSTERESIS_QUANTITY; } // update rgb update_rgb_values(); // write values write_rgb(); if (in > hysteresis){ if (rgb_c[0] < 0.01) rgb |= 0x1; if (rgb_c[1] < 0.01) rgb |= 0x2; if (rgb_c[2] < 0.01) rgb |= 0x4; } } } }; void channel_check(){ red.write(1.0f); wait(.5); red.write(0.0f); green.write(1.0f); wait(.5); green.write(0.0f); blue.write(1.0f); wait(.5); blue.write(0.0f); } 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(); } }