Revision 0:c665d23a7e36, committed 2020-08-06

Comitter:

Marcelocostanzo

Date:

Thu Aug 06 16:53:38 2020 +0000

Commit message:

primeira versao

Changed in this revision

diff -r 000000000000 -r c665d23a7e36 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Aug 06 16:53:38 2020 +0000
@@ -0,0 +1,64 @@
+/*****************************************************************
+* Projeto para leitura da rotação do motor Akyama ak360/25PL12S3500S
+*
+* 
+*
+* Insper instituto e pesquisa
+*
+* Autor: Marcelo Costanzo Miranda
+* Data: 06/08/2020
+**************************************************************/
+
+#include "mbed.h"
+
+//------------------Pino para o sinal de rotação-----------------------------
+InterruptIn pulse(D7);
+
+//----------------Timers para amostragem ------------------------------------
+Ticker calc_rpm;
+Ticker send_serial;
+
+//----------------Comunicação----------------------------------------
+Serial pc(USBTX, USBRX); // tx, rx
+
+//----------------Variaveis----------------------------------------
+int tooth_counter = 0;
+int RPM = 0;
+//float RPS = 0;
+//float tooth_period = 0;
+
+//----------------Interrupçao de pulso----------------------------------------
+void pulse_read()
+{
+    tooth_counter++;
+}
+
+//----------------Calcula a rotação a 40Hz----------------------------------------
+void rpm_counter()
+{
+    RPM = tooth_counter * 40;
+    //tooth_period = 25000 / tooth_counter;
+    //RPS = RPM / 60;
+    tooth_counter = 0;
+}
+
+//----------------Envia a rotação a 1Hz----------------------------------------
+void send_rpm()
+{
+    pc.printf("%i\r\n",RPM);
+}
+
+int main() 
+{     
+    pc.baud(38400);// ajusta o baudrate
+    
+    pulse.rise(&pulse_read);//habilita a interrupção por borda de subida
+    
+    calc_rpm.attach_us(&rpm_counter, 25000);//habilita a chamada a 40Hz para calculo da rotaçao
+    
+    send_serial.attach(&send_rpm, 1.0f);//habilita a chamada a 1Hz para envio da rotaçao
+
+    while(1) 
+    {
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r c665d23a7e36 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Aug 06 16:53:38 2020 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400
\ No newline at end of file