Diff: main.cpp

Revision:

0:3356e3f538d9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 05 22:04:22 2019 +0000
@@ -0,0 +1,188 @@
+#include "mbed.h"
+#include "TB6612FNG.h"
+#include "SDFileSystem.h"
+#include "rtos.h"
+ 
+SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
+Thread thread;
+// -------------------taken pins--------------------------------
+//5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,_,27,28,29,30
+// -------------------------------------------------------------
+
+//direction pins
+DigitalOut idir1(p9);
+DigitalOut idir2(p10);
+DigitalOut i2_dir1(p27);
+DigitalOut i2_dir2(p28);
+DigitalOut i3_dir1(p30);
+DigitalOut i3_dir2(p17);
+
+//in Thread thread;
+DigitalOut wc_dir1(p29); //SOLDER
+DigitalOut wc_dir2(p20); //SOLDER
+
+DigitalOut wc1_dir1(p12); //SOLDER
+DigitalOut wc1_dir2(p13); //SOLDER
+
+//pushbutton to stop program execution
+DigitalIn pb(p29);
+
+//pwm out to motors
+PwmOut ipwm(p21);
+PwmOut i2_pwm(p22);
+PwmOut i3_pwm(p23);
+
+//in Thread thread;
+PwmOut wc_in_pwm(p24);
+PwmOut wc_out_pwm(p25);
+
+//standby pins
+DigitalOut istdby(p11);
+DigitalOut set2_istdby(p18);
+DigitalOut wc_istdby(p14);
+
+//water level sensors
+DigitalIn water_level_fw_reservoir(p15);
+DigitalIn water_level_display_tank(p16);
+DigitalIn salt_mix_reservoir(p19);
+
+//flow rate (L/ # of days)
+float flow_rate_L_num_days = 40;
+
+//timespan (# of days)
+int days = 1;
+int sec_days = days * 86400;
+
+//vol of 2s pump (L)
+float two_s_pump_volume_L = 0.05;
+
+//pc serial connection
+Serial pc(USBTX, USBRX); // tx, rx
+
+//motors in main thread
+TB6612FNG fw_reservoir_to_display_tank(p27, p28, p22, p11);
+TB6612FNG source_to_fw_reservoir(p9, p10, p21, p11);
+TB6612FNG fw_reservoir_to_salt_mix_reservoir(p30, p17, p23, p18);
+
+//motors in Thread thread;
+TB6612FNG water_change_in(p29, p20, p24, p18);
+TB6612FNG water_change_out(p12, p13, p25, p14);
+
+//Motor Pins
+//TB6612FNG motor(PinName idir1, PinName idir2, PinName ipwm, PinName istby);
+
+
+
+void water_change(){
+    
+    time_t start = time(NULL);
+    
+  //  float flow_rate_L_num_days = 40;
+   // float two_s_pump_volume_L = 0.05;
+    int pumps_per_num_days = flow_rate_L_num_days / two_s_pump_volume_L;
+    int total_wait_time = sec_days - (pumps_per_num_days * 2); 
+    int wait_bw_pump = total_wait_time / pumps_per_num_days;
+    
+    pc.printf("delay bw pumps in seconds: %d\n", wait_bw_pump);
+    
+    source_to_fw_reservoir.start(); 
+    water_change_in.start(); 
+    water_change_out.start(); 
+    
+    while(time(NULL) - start < sec_days) {
+        
+        water_change_in.fwd(1); 
+        water_change_out.fwd(1);
+    
+        wait(wait_bw_pump);
+    
+        }
+ 
+    water_change_in.stop(); 
+    water_change_out.stop();
+ 
+    }
+    
+
+int main() {
+        
+    thread.start(water_change);
+    
+        pb.mode(PullUp);
+        int count = 0;
+        int count2 = 0;
+        int count3 = 0;
+         
+         mkdir("/sd/mydir", 0777);
+    
+    FILE *fp = fopen("/sd/mydir/sdtest.txt", "w");
+    if(fp == NULL) {
+        error("Could not open file for write\n");
+    } 
+    
+    time_t start = time(NULL);
+    fprintf(fp, "Start Time: %d\n", start);
+
+    
+    while(pb != 0) { //push button not pressed.  pb != 0
+        //pc.printf("%d \n", test);
+      //////////////////////////////////////////////
+        int val = water_level_fw_reservoir.read();
+        
+        source_to_fw_reservoir.start(); 
+                
+        
+        while(val == 1) { //air detected
+        val = water_level_fw_reservoir.read(); 
+        source_to_fw_reservoir.fwd(1); 
+        fprintf(fp, "SOURCE TO FWR #%d\n", count);
+                time_t program_seconds = time(NULL);
+                fprintf(fp, "Latest measurement time: %d\n", program_seconds);
+        wait(2);
+        count++;
+            }
+            
+        source_to_fw_reservoir.stop();
+   ///////////////////////////////////////////////////////
+   int val2 = water_level_display_tank.read(); //read display tank water level
+        
+        
+        
+        fw_reservoir_to_display_tank.start(); //pump start
+        
+        
+        if(val2 == 1) { //air detected (needs water)
+        fprintf(fp, "FWR TO DSPLY TANK #%d\n", count2);
+        time_t program_seconds = time(NULL);
+        fprintf(fp, "Latest measurement time: %d\n", program_seconds);
+        fw_reservoir_to_display_tank.fwd(1); //power pump forward
+        count2++;
+        wait(2);
+            }
+        
+        fw_reservoir_to_display_tank.stop(); 
+        
+        ///////////////////////////////////////////////////////
+   int val3 = salt_mix_reservoir.read(); //read display tank water level
+        
+        
+        
+        fw_reservoir_to_salt_mix_reservoir.start(); //pump start
+        
+        
+        if(val3 == 1) { //air detected (needs water)
+        fprintf(fp, "FWR TO SLT MX RVR #%d\n", count3);
+        time_t program_seconds = time(NULL);
+        fprintf(fp, "Latest measurement time: %d\n", program_seconds);
+        fw_reservoir_to_salt_mix_reservoir.fwd(1); //power pump forward
+        count3++;
+        wait(2);
+            }
+        
+        fw_reservoir_to_salt_mix_reservoir.stop(); 
+         
+    
+    }
+    
+  fclose(fp); //close sd filesystem
+}