Diff: main.cpp

Revision:

3:dd9b3bcbd36a

Parent:

2:03e5c29343d1

Child:

4:7bdab599ad88

--- a/main.cpp	Tue Oct 23 09:33:36 2012 +0000
+++ b/main.cpp	Mon Nov 09 18:59:28 2015 +0000
@@ -1,21 +1,102 @@
 #include "mbed.h"
+#include <string.h>
+#include <stdio.h>
+
+#include "ModbusSlave.h"
+
+#include "MODSERIAL.h"
+
+MODSERIAL Modbus(USBTX,USBRX);
+
+SPI myspi(PTD2, PTD3, PTD1); // mosi, miso, sclk
+
+//////////////// TERMOCOUPLERS //////////////////////////////
+
+DigitalOut T1(PTC9);
+DigitalOut T2(PTA13);
+DigitalOut T3(PTD0);
+DigitalOut T4(PTB3);
+
+DigitalOut ENABLE(PTC1);
+
+//DigitalOut LED(LED_RED);
 
-PwmOut r (LED_RED);
-PwmOut g (LED_GREEN);
-PwmOut b (LED_BLUE);
+float temp1 = 0;
+float temp2 = 0;
+float temp3 = 0;
+float temp4 = 0;
+
 
-int main() {
-    r.period(0.001);
-    g.period(0.001);
-    b.period(0.001);
+//////////////// MODBUS Registers (Slave) ///////////////////
+enum 
+{     
+  // just add or remove registers and your good to go...
+  // The first register starts at address 0
+  TERM_1,         // Pot analog read
+  TERM_2,         // Temp analog read
+  TERM_3,         // Light analog read
+  TERM_4,         // Moisture analog read
+  HOLDING_REGS_SIZE 
+  // total number of registers for function 3 and 16 share the same register array
+};
+
+unsigned int holdingRegs[HOLDING_REGS_SIZE]; // function 3 and 16 register array
+
+////////////////////////////////////////////////////////////
+
+
 
-    while (true) {
-        for (float i = 0.0; i < 1.0 ; i += 0.001) {
-            float p = 3 * i;
-            r = 1.0 - ((p < 1.0) ? 1.0 - p : (p > 2.0) ? p - 2.0 : 0.0);
-            g = 1.0 - ((p < 1.0) ? p : (p > 2.0) ? 0.0 : 2.0 - p);
-            b = 1.0 - ((p < 1.0) ? 0.0 : (p > 2.0) ? 3.0 - p : p - 1.0);
-            wait (0.0025);
-        }
-    }
-}
\ No newline at end of file
+uint16_t thermoparRead(void)
+{    
+    uint16_t high = 0;
+    uint16_t low = 0;
+    
+    bool scToVcc;
+    bool scToGnd;
+    bool opened;
+    bool fail;
+    
+    high = ((myspi.write(0)<<8)&0xff00) +  (myspi.write(0)&0x00ff);
+    low =  ((myspi.write(0)<<8)&0xff00) +  (myspi.write(0)&0x00ff);
+    
+    // Get errors from data
+    scToVcc = low & 0x0004;
+    scToGnd = low & 0x0002;
+    opened = low & 0x0001;
+    fail = high & 0x0001;
+    
+    if(opened) return 2;
+    if(fail) return 1;
+    return high&0xfffc;
+}
+
+
+int main()
+{
+    //CONFIGURE MODBUS  
+    modbus_configure(&Modbus, 9600, 1, 2, &ENABLE, HOLDING_REGS_SIZE, holdingRegs);    
+
+    while (true)
+    {
+        modbus_update();  
+ 
+        T1 = 0;
+        holdingRegs[TERM_1] = thermoparRead();
+        T1 = 1;
+        
+        T2 = 0;
+        holdingRegs[TERM_2] = thermoparRead();
+        T2 = 1;
+        
+        T3 = 0;
+        holdingRegs[TERM_3] = thermoparRead();
+        T3 = 1;
+        
+        T4 = 0;
+        holdingRegs[TERM_4] = thermoparRead();
+        T4 = 1; 
+     }
+}
+
+
+