Daniel Padierna
/
PWM_APP
.
Revision 0:b029806382bc, committed 2017-11-30
- Comitter:
- dpadiernav
- Date:
- Thu Nov 30 14:43:42 2017 +0000
- Commit message:
- Sliders para app;
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbed.bld | Show annotated file Show diff for this revision Revisions of this file |
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Nov 30 14:43:42 2017 +0000 @@ -0,0 +1,161 @@ +#include "mbed.h" +#include "stdio.h" +#include "string.h" + +PwmOut rojo(LED1); // R +PwmOut verde(LED2); // G +PwmOut azul(LED3); // B + +Serial usart(PTA2,PTA1); //puertos del FRDM para el modem +Serial pc(USBTX,USBRX); + +Timer tiempo; // Variable para contar + +int selector; +int valor_Rojo; +int valor_Verde; +int valor_Azul; +float pwm_Rojo = 1.0f; +float pwm_Verde = 1.0f; +float pwm_Azul = 1.0f; + +char buffer[8]; + +int readBuffer(char *buffer,int count); +void cleanBuffer(char *buffer, int count); +int reconocerColor(char *buffer); +int tomarValor (char *buffer); + +//esta funcion lee un bufer de datos +int readBuffer(char *buffer,int count){ + + int i=0; + tiempo.start(); //CUENTA EL TIEMPO DE CONEXION E INICIA + while(1) { + while (usart.readable()) { + char c = usart.getc(); + if (c == '\r' || c == '\n') c = '%';//si se envia fin de linea o de caracxter inserta $ + buffer[i++] = c;//mete al bufer el caracter leido + if(i > count)break;//sale del loop si ya detecto terminacion + } + if(i > count)break; + if(tiempo.read() > 0.5) { //MAS DE UN SEGUNDO DE ESPERA SE SALE Y REINICA EL RELOJ Y SE SALE + tiempo.stop(); + tiempo.reset(); + break; + } + } + return 0; +} + +//esta funcion limpia el bufer +void cleanBuffer(char *buffer, int count){ + + for(int i=0; i < count; i++) { + buffer[i] = '\0'; + } + +} + +int reconocerColor (char *buffer){ + + int opcion; + switch(buffer[0]){ + case 'R': opcion = 1; break; + case 'G': opcion = 2; break; + case 'B': opcion = 3; break; + default : opcion = 0; break; + } + return opcion; + +} + +int tomarValor (char *buffer){ + + int valor; + int paro = 0; + int unidades; + int decenas; + int centenas; + + if (buffer[1] == '\r' || buffer[1] == '\n' || buffer[1]-47 < 1 || buffer[1]-48 > 9){ + valor = 0; + paro = 1; + } else { + unidades = buffer[1]-48; + } + + if (buffer[2] == '\r' || buffer[2] == '\n' || buffer[2]-47 < 1 || buffer[2]-48 > 9){ + valor = unidades; + } else if (paro == 0) { + decenas = unidades; + unidades = buffer[2]-48; + } + + if (buffer[3] == '\r' || buffer[3] == '\n' || buffer[3]-47 < 1 || buffer[3]-48 > 9){ + valor = decenas*10 + unidades; + } else if (paro == 0){ + centenas = decenas; + decenas = unidades; + unidades = buffer[3]-48; + valor = centenas*100 + decenas*10 + unidades; + } + + return valor; + +} + +int main() { + + usart.baud(9600); + usart.format(8,Serial::None,1); + + rojo.period(0.02f); // 4 second period + verde.period(0.02f); // 4 second period + azul.period(0.02f); // 4 second period + + rojo.write(pwm_Rojo); // 0% duty cycle + verde.write(pwm_Verde); // 0% duty cycle + azul.write(pwm_Azul); // 0% duty cycle + + while(1){ + + while (usart.readable()){ + + readBuffer(buffer, 7); + pc.printf("buffer= %s \n\r ",buffer); + selector = reconocerColor(buffer); + pc.printf("opcion= %u \n\r ",selector); + switch(selector){ + case 1: + valor_Rojo = tomarValor(buffer); + pwm_Rojo = (float)valor_Rojo / 999.0f; + pwm_Rojo = 1.0f - pwm_Rojo; + pc.printf("pwm_Rojo= %u \n\r ",pwm_Rojo); + rojo.write(pwm_Rojo); + break; + case 2: + valor_Verde = tomarValor(buffer); + pwm_Verde = (float)valor_Verde / 999.0f; + pc.printf("pwm_Verde= %u \n\r ",pwm_Verde); + pwm_Verde = 1.0f - pwm_Verde; + verde.write(pwm_Verde); + break; + case 3: + valor_Azul = tomarValor(buffer); + pwm_Azul = (float)valor_Azul / 999.0f; + pc.printf("pwm_Azul= %u \n\r ",pwm_Azul); + pwm_Azul = 1.0f - pwm_Azul; + azul.write(pwm_Azul); + break; + default: + break; + } + + } + + } + +} + + \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Nov 30 14:43:42 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e7ca05fa8600 \ No newline at end of file