Carlos Sell
Program using Touch Sensor and PWM function. This code set a value of brightness in RGB led using Touch Sensor like a slider. The begining of touch is used to select a color. The end of touch is used to select an effect.
Dependencies: MMA8451Q TSI mbed
Fork of
FRDM_TSI
by 
Subhrajit Mitra
Revision 6:343ba87cc6cf, committed 2013-09-12
- Comitter:
- carlossell
- Date:
- Thu Sep 12 01:10:29 2013 +0000
- Parent:
- 5:7f7b888f616b
- Commit message:
- Program to test Touch Sensor and PWM function.
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Mon Apr 22 09:25:48 2013 +0000
+++ b/main.cpp Thu Sep 12 01:10:29 2013 +0000
@@ -1,30 +1,419 @@
#include "mbed.h"
#include "TSISensor.h"
-#include "MMA8451Q.h"
+//#include "MMA8451Q.h"
+
+//#define MMA8451_I2C_ADDRESS (0x1d<<1)
-#define MMA8451_I2C_ADDRESS (0x1d<<1)
-
-int main(void) {
- MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
+int main(void)
+{
+// MMA8451Q acc(PTE25, PTE24, MMA8451_I2C_ADDRESS);
PwmOut led1(LED_BLUE);
PwmOut led2(LED_GREEN);
PwmOut led3(LED_RED);
- float tp=0;
+ float tp = 0;
+ //float tp_old = 0;
+ float valor_ledR, valor_ledG, valor_ledB = 1.0;
+ float valor_inicial, valor_final = 0.0;
+ float offset = 0.0;
+ float aux = 0.0;
- TSISensor tsi;
+ unsigned char led_atual = 0;
+ unsigned char ajustando = 0;
+ unsigned char efeito = 0;
+ unsigned char blink = 0;
+
+ TSISensor tsi; //inicializa rotinas do sensor de toque
- led1 = 1;
- led2 = 1;
- led3 = 1;
+ led1 = 1.0; //desliga leds
+ led2 = 1.0;
+ led3 = 1.0;
+
+ valor_ledB = led1;
+ valor_ledG = led2;
+ valor_ledR = led3;
+
+ valor_inicial = 0.0;
+ valor_final = 0.0;
+
+ efeito = 0;
while (1)
{
- tp = (tsi.readPercentage()>0)?tsi.readPercentage():tp;
- led1 = (tsi.readPercentage()==0)?(1-abs(acc.getAccX())):((tp>0.00 && tp <= 0.33)?(1-(tp-0.00)*3):1);
- led2 = (tsi.readPercentage()==0)?(1-abs(acc.getAccY())):((tp>=0.34 && tp <= 0.66)?(1-(tp-0.33)*3):1);
- led3 = (tsi.readPercentage()==0)?(1-abs(acc.getAccZ())):((tp>=0.67 && tp <= 0.99)?(1-(tp-0.66)*3):1);
- wait(0.1);
+ //tp = (tsi.readPercentage()>0)?tsi.readPercentage():tp;
+
+ tp = tsi.readDistance(); //take actual value of touch sensor
+
+ if (tp == 0) //there is no touch
+ {
+
+ if(!ajustando)
+ {
+ valor_inicial = 0.0;
+ valor_final = 0.0;
+ }
+
+ ajustando = 0; //not adjusting
+
+ if(led_atual) //there is any color selected?
+ {
+ if(!efeito)
+ {
+ led3 = valor_ledR; //adjust red led
+ led2 = valor_ledG; //adjust green led
+ led1 = valor_ledB; //adjust blue led
+ }
+ }
+ else
+ {
+ led3 = led2 = led1 = 1.0; //turn off all colors
+ }
+ }
+
+ if(efeito)
+ {
+ if(led_atual)
+ {
+ if(efeito == 1)
+ {
+ blink = ~blink;
+ if(blink)
+ {
+ led3 = valor_ledR; //adjust red led
+ led2 = valor_ledG; //adjust green led
+ led1 = valor_ledB; //adjust blue led
+ }
+ else
+ {
+ led3 = 1.0; //adjust red led
+ led2 = 1.0; //adjust green led
+ led1 = 1.0; //adjust blue led
+ }
+ }
+ if(efeito == 2)
+ {
+ offset = offset + 0.02;
+
+ if(offset > 1.0)
+ {
+ offset = 0.0;
+ }
+
+ if(valor_ledB < 1.0)
+ {
+ led1 = offset;
+ }
+ if(valor_ledG < 1.0)
+ {
+ led2 = offset;
+ }
+ if(valor_ledR < 1.0)
+ {
+ led3 = offset;
+ }
+ }
+
+ if(efeito == 3)
+ {
+ offset = offset - 0.02;
+
+ if(offset < 0.0)
+ {
+ offset = 1.0;
+ }
+
+ if(valor_ledB < 1.0)
+ {
+ led1 = offset;
+ }
+ if(valor_ledG < 1.0)
+ {
+ led2 = offset;
+ }
+ if(valor_ledR < 1.0)
+ {
+ led3 = offset;
+ }
+ }
+ if(efeito == 4)
+ {
+ offset = offset - 0.01;
+
+ if(offset < 0.0)
+ {
+ offset = 1.0;
+ }
+
+ led1 = offset;
+
+ aux = 1 - offset;
+ if(aux < 0.0)
+ {
+ aux = 0.0;
+ }
+ led2 = aux;
+
+ aux = offset * 2;
+ if(aux > 1.0)
+ {
+ aux = 0.0;
+ }
+ led3 = aux;
+
+ }
+ }
+ //wait(0.1);
+ }
+
+ if((tp > 0) & (tp < 5)) //the colors are select at begin of touch sensor
+ {
+ if(!ajustando) //the adjust function is not activeted
+ {
+ led1 = 1.0; //turn off all colors
+ led2 = 1.0;
+ led3 = 1.0;
+
+ led_atual++; //increment actual color selector
+
+ if(led_atual > 7)
+ {
+ led_atual = 0; //turn off leds
+ }
+
+ if(led_atual == 1) //selected color is blue
+ {
+ led1 = valor_ledB = 0.0; //turn on blue led
+ led2 = valor_ledG = 1.0;
+ led3 = valor_ledR = 1.0;
+ }
+
+ if(led_atual == 2) //selected color is green
+ {
+ led1 = valor_ledB = 1.0;
+ led2 = valor_ledG = 0.0; //turn on green led
+ led3 = valor_ledR = 1.0;
+ }
+
+ if(led_atual == 3) //selected color is red
+ {
+ led1 = valor_ledB = 1.0;
+ led2 = valor_ledG = 1.0;
+ led3 = valor_ledR = 0.0; //turn on red led
+ }
+
+ if(led_atual == 4)
+ {
+ led1 = valor_ledB = 0.0; //turn on blue led and
+ led2 = valor_ledG = 0.0; //turn on green led
+ led3 = valor_ledR = 1.0;
+ }
+
+ if(led_atual == 5)
+ {
+ led1 = valor_ledB = 0.0; //turn on blue led and
+ led2 = valor_ledG = 1.0;
+ led3 = valor_ledR = 0.0; //turn on red led
+ }
+
+ if(led_atual == 6)
+ {
+ led1 = valor_ledB = 1.0;
+ led2 = valor_ledG = 0.0; //turn on green led
+ led3 = valor_ledR = 0.0; //turn on red led
+ }
+
+ if(led_atual == 7) // select color is white
+ {
+ led1 = valor_ledB = 0.0; //turn on blue color
+ led2 = valor_ledG = 0.0; //turn on green color
+ led3 = valor_ledR = 0.0; //turn on red led
+ }
+
+ wait(0.5); //show selected led to user
+ }
+ }
+
+ if (tp > 35) //superior side
+ {
+ if(!ajustando)
+ {
+ efeito++;
+ if(efeito > 4)
+ {
+ efeito = 0;
+ }
+ }
+ //wait(0.5);
+ }
+
+ if((tp > 5)) //set the brightness of select color
+ {
+ if(!ajustando)
+ {
+ valor_inicial = tp;
+ }
+
+ ajustando = 1; //adjusting is true
+
+ valor_final = tp;
+
+ //led1 = 1.0; //take off all colors
+ //led2 = 1.0;
+ //led3 = 1.0;
+
+ if(led_atual == 1) //selected color is blue
+ {
+ valor_ledB = valor_ledB + (valor_inicial - valor_final)/200;
+
+ if(valor_ledB < 0.0)
+ {
+ valor_ledB = 0.0;
+ }
+
+ if(valor_ledB > 1.0)
+ {
+ valor_ledB = 1.0;
+ }
+
+ //valor_ledB = (40.0 - tp)/40.0;
+
+ led1 = valor_ledB; //put new value on blue led
+ led2 = valor_ledG = 1.0; //turn off
+ led3 = valor_ledR = 1.0; //turn off
+ }
+
+ if(led_atual == 2) //selected color is green
+ {
+ //valor_ledG = (40.0 - tp)/40.0;
+
+ valor_ledG = valor_ledG + (valor_inicial - valor_final)/200;
+
+ if(valor_ledG < 0.0)
+ {
+ valor_ledG = 0.0;
+ }
+
+ if(valor_ledG > 1.0)
+ {
+ valor_ledG = 1.0;
+ }
+
+ led1 = valor_ledB = 1.0; //turn off
+ led2 = valor_ledG; //put new value on green led
+ led3 = valor_ledR = 1.0; //turn off
+ }
+
+ if(led_atual == 3) //selected color is red
+ {
+ //valor_ledR = (40.0 - tp)/40.0;
+
+ valor_ledR = valor_ledR + (valor_inicial - valor_final)/200;
+
+ if(valor_ledR < 0.0)
+ {
+ valor_ledR = 0.0;
+ }
+
+ if(valor_ledR > 1.0)
+ {
+ valor_ledR = 1.0;
+ }
+
+ led1 = valor_ledB = 1.0; //turn off
+ led2 = valor_ledG = 1.0; //turn off
+ led3 = valor_ledR; //put new value on red led
+ }
+
+ if(led_atual == 4)
+ {
+ //valor_ledB = (40.0 - tp)/40.0;
+
+ valor_ledB = valor_ledB + (valor_inicial - valor_final)/200;
+
+ if(valor_ledB < 0.0)
+ {
+ valor_ledB = 0.0;
+ }
+
+ if(valor_ledB > 1.0)
+ {
+ valor_ledB = 1.0;
+ }
+
+ led1 = valor_ledB; //put new value on blue led
+ led2 = valor_ledG = valor_ledB; //put new value on green led
+ led3 = valor_ledR = 1.0; //turn off
+ }
+
+ if(led_atual == 5)
+ {
+ //valor_ledB = (40.0 - tp)/40.0;
+
+ valor_ledB = valor_ledB + (valor_inicial - valor_final)/200;
+
+ if(valor_ledB < 0.0)
+ {
+ valor_ledB = 0.0;
+ }
+
+ if(valor_ledB > 1.0)
+ {
+ valor_ledB = 1.0;
+ }
+
+ led1 = valor_ledB; //put new value on blue led
+ led2 = valor_ledG = 1.0; //turn off
+ led3 = valor_ledR = valor_ledB; //put new value on red led
+ }
+
+ if(led_atual == 6)
+ {
+ //valor_ledG = (40.0 - tp)/40.0;
+
+ valor_ledG = valor_ledG + (valor_inicial - valor_final)/200;
+
+ if(valor_ledG < 0.0)
+ {
+ valor_ledG = 0.0;
+ }
+
+ if(valor_ledG > 1.0)
+ {
+ valor_ledG = 1.0;
+ }
+
+ led1 = valor_ledB = 1.0; //turn off
+ led2 = valor_ledG; //put new value on green led
+ led3 = valor_ledR = valor_ledG; //put new value on red led
+ }
+
+ if(led_atual == 7) // select color is white
+ {
+ //valor_ledB = (40.0 - tp)/40.0;
+
+ valor_ledB = valor_ledB + (valor_inicial - valor_final)/200;
+
+ if(valor_ledB < 0.0)
+ {
+ valor_ledB = 0.0;
+ }
+
+ if(valor_ledB > 1.0)
+ {
+ valor_ledB = 1.0;
+ }
+
+ led1 = valor_ledB; //put new value on blue led
+ led2 = valor_ledG = valor_ledB; //put new value on green led
+ led3 = valor_ledR = valor_ledB; //put new value on red led
+ }
+ }
+
+ //led1 = (tsi.readPercentage()==0)?(1-abs(acc.getAccX())):((tp>0.00 && tp <= 0.33)?(1-(tp-0.00)*3):1);
+ //led2 = (tsi.readPercentage()==0)?(1-abs(acc.getAccY())):((tp>=0.34 && tp <= 0.66)?(1-(tp-0.33)*3):1);
+ //led3 = (tsi.readPercentage()==0)?(1-abs(acc.getAccZ())):((tp>=0.67 && tp <= 0.99)?(1-(tp-0.66)*3):1);
+
+ wait(0.1);
}
}
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