SonicMEMS@Cornell
control omron relay with MATLAB
Dependencies: mbed
Diff: main.cpp
- Revision:
- 0:8af6590d7c83
diff -r 000000000000 -r 8af6590d7c83 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Jul 10 19:12:20 2014 +0000
@@ -0,0 +1,233 @@
+#include "mbed.h"
+
+DigitalOut realy_switch_impedance_p(p5), realy_switch_impedance_n(p6);
+DigitalOut relay_switch_drive_p(p7), relay_switch_drive_n(p8);
+DigitalOut relay_switch_ch1_p(p21), relay_switch_ch1_n(p22);
+DigitalOut relay_switch_ch2_p(p23), relay_switch_ch2_n(p24);
+DigitalOut relay_switch_ch3_p(p25), relay_switch_ch3_n(p26);
+DigitalOut relay_switch_ch4_p(p27), relay_switch_ch4_n(p28);
+
+Serial pc(USBTX, USBRX);
+DigitalOut myled1(LED1), myled2(LED2), myled3(LED3), myled4(LED4);
+
+unsigned int asciitoint(char c);
+
+// get the one digit function
+unsigned int onedigit(char c0){
+ unsigned int k0 = asciitoint(c0);
+ //unsigned int kall = k3 + k2 + k1 + k0;
+ return k0;
+}
+
+int main() {
+ char buffer[128];
+
+ while(true) {
+ // get command from PC
+ if (pc.readable()){
+ //input format:
+ //SWT A \n \0
+ //no spaces
+ //A is the swtiching case
+ //for some reason the mBed can only take even number of string
+ pc.gets(buffer, 5);
+
+ if ((buffer[0] == 'S')&&(buffer[1] == 'W')&&(buffer[2] == 'T')){
+ myled1= !myled1;
+ //convert buffer[3] into integer
+ unsigned int case_num = onedigit(buffer[3]);
+
+ ///////////////////////////////////////////////////////////
+ //switching cases
+ //1: both trun off
+ //2: impedacne analyzer
+ //3: PZT drive
+ //default: both turn off
+ ///////////////////////////////////////////////////////////
+ switch (case_num){
+ case (1): // all off
+ realy_switch_impedance_p = 0;
+ realy_switch_impedance_n = 0;
+ relay_switch_drive_p = 0;
+ relay_switch_drive_n = 0;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 0;
+ relay_switch_ch4_n = 0;
+ //case(000)
+ myled2 = 0;
+ myled3 = 0;
+ myled4 = 0;
+
+ wait(2);
+ break;
+ case (2): // impedance analyzer
+ realy_switch_impedance_p = 1;
+ realy_switch_impedance_n = 1;
+ relay_switch_drive_p = 0;
+ relay_switch_drive_n = 0;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 1;
+ relay_switch_ch4_n = 1;
+ //case(111)
+ myled2 = 0;
+ myled3 = 0;
+ myled4 = 1;
+
+ wait(2);
+ break;
+ case (3): //drive only
+ realy_switch_impedance_p = 0;
+ realy_switch_impedance_n = 0;
+ relay_switch_drive_p = 1;
+ relay_switch_drive_n = 1;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 0;
+ relay_switch_ch4_n = 0;
+ //case(111)
+ myled2 = 0;
+ myled3 = 1;
+ myled4 = 0;
+
+ wait(2);
+ break;
+ case(4): //drive and channel 1
+ realy_switch_impedance_p = 0;
+ realy_switch_impedance_n = 0;
+ relay_switch_drive_p = 1;
+ relay_switch_drive_n = 1;
+ relay_switch_ch1_p = 1;
+ relay_switch_ch1_n = 1;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 0;
+ relay_switch_ch4_n = 0;
+ //case(111)
+ myled2 = 0;
+ myled3 = 1;
+ myled4 = 1;
+
+ wait(2);
+ break;
+ case(5): //drive and channel 2
+ realy_switch_impedance_p = 0;
+ realy_switch_impedance_n = 0;
+ relay_switch_drive_p = 1;
+ relay_switch_drive_n = 1;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 1;
+ relay_switch_ch2_n = 1;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 0;
+ relay_switch_ch4_n = 0;
+ //case(111)
+ myled2 = 1;
+ myled3 = 0;
+ myled4 = 0;
+
+ wait(2);
+ break;
+ case(6): //drive and channel 3
+ realy_switch_impedance_p = 0;
+ realy_switch_impedance_n = 0;
+ relay_switch_drive_p = 1;
+ relay_switch_drive_n = 1;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 1;
+ relay_switch_ch3_n = 1;
+ relay_switch_ch4_p = 0;
+ relay_switch_ch4_n = 0;
+ //case(111)
+ myled2 = 1;
+ myled3 = 0;
+ myled4 = 1;
+
+ wait(2);
+ break;
+ case(7): //drive and channel 4
+ realy_switch_impedance_p = 0;
+ realy_switch_impedance_n = 0;
+ relay_switch_drive_p = 1;
+ relay_switch_drive_n = 1;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 1;
+ relay_switch_ch4_n = 1;
+ //case(111)
+ myled2 = 1;
+ myled3 = 1;
+ myled4 = 0;
+
+ wait(2);
+ break;
+ default: //default: impedance only
+ realy_switch_impedance_p = 1;
+ realy_switch_impedance_n = 1;
+ relay_switch_drive_p = 0;
+ relay_switch_drive_n = 0;
+ relay_switch_ch1_p = 0;
+ relay_switch_ch1_n = 0;
+ relay_switch_ch2_p = 0;
+ relay_switch_ch2_n = 0;
+ relay_switch_ch3_p = 0;
+ relay_switch_ch3_n = 0;
+ relay_switch_ch4_p = 0;
+ relay_switch_ch4_n = 0;
+ // case(000)
+ myled2 = 0;
+ myled3 = 0;
+ myled4 = 0;
+
+ wait(2);
+ break;
+ }// end of the case
+ }// end of the buffer read
+ }//end of the pc read
+ }// end of while
+}// end of main()
+
+// change the ascii into interger function
+unsigned int asciitoint(char c){
+ unsigned int i;
+ i = 0;
+ switch(c){
+ case 0x20: i = 0; break;
+ case '0' : i = 0; break;
+ case '1' : i = 1; break;
+ case '2' : i = 2; break;
+ case '3' : i = 3; break;
+ case '4' : i = 4; break;
+ case '5' : i = 5; break;
+ case '6' : i = 6; break;
+ case '7' : i = 7; break;
+ case '8' : i = 8; break;
+ case '9' : i = 9; break;
+ default: i = 0; break;
+ }
+ return i;
+}
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