Revision 1:6cb1e26cf1ff, committed 2018-12-24

Comitter:

VohlandL

Date:

Mon Dec 24 22:24:49 2018 +0000

Parent:

0:341db01762fe

Commit message:

Rev IR

Changed in this revision

--- a/main.cpp	Mon Dec 10 11:13:56 2018 +0000
+++ b/main.cpp	Mon Dec 24 22:24:49 2018 +0000
@@ -1,25 +1,79 @@
 #include "mbed.h"
 
-// assign I2C pins
-int I2C_adr = 0x27 << 1;
+// i2c addresses
+int C39_adr = 0x27 << 1;
+int pcal_adr = 0x20 << 1;
 
-// initialise
+// initialise global variables
 char C39_data[3] = {0, 255, 255};
+char pcal_data[1] = {0};
 int instWeight = 0;
+char testArray[3] = {1, 2, 3};
+char rxArray[3] = {0, 0, 0};
 
 //Set up serial and I2C connections
 Serial pc(USBTX, USBRX);
-I2C i2c(p9, p10);
+UARTSerial s1(p13, p14);
+UARTSerial s2(p28, p27);
+I2C c39(p9, p10);
+I2C pcal(p9, p10);
+
+int c39Read(int address, char* array, int array_length) {
+    
+    c39.read(address, array, array_length);
+    
+    
+    if (array[1] < 255) {
+        instWeight = array[1] << 8;
+        instWeight = instWeight | array[2];
+        //pc.printf("%d\n",instWeight);
+    }
+    return 0;      
+}
+
+int pcalRead(int address, char* array, int array_length) {
+    
+    int pcalAck = 1;
+    
+    pcalAck = pcal.read(address, array, array_length);
+
+    if (pcalAck == 0) {
+        pc.printf("ACK\n");
+    }
+    
+    pc.printf("%d\n",array[0]);
+    
+    return 0;      
+}
+
+const event_callback_t callback(){
+    
+    pc.printf("Complete");
+    
+    return 0;
+    }
+    
+
+//int serialWrite(char* array, int array_length, const event_callback_t callback, int event) {
+//    
+//    s1.write(array, array_length, callback, event);
+//    
+//    }
 
 int main() {
     
-    while(1){
-        i2c.read(I2C_adr, C39_data, 3);
+    s2.set_blocking(0);
     
-        if (C39_data[1] < 255) {
-            instWeight = C39_data[1] << 8;
-            instWeight = instWeight | C39_data[2];
-            pc.printf("%d\n",instWeight);
-        }
+    while(1){
+        //c39Read(C39_adr, C39_data, 3);
+        //pc.printf("%d\n",instWeight);
+        //pcalRead(pcal_adr, pcal_data, 1);
+        s2.write(testArray, 3);
+        s2.read(rxArray, 3);
+        pc.printf("%d\n", rxArray[0]);
+        wait(0.5);
+        //pc.printf("%d\n",pcal_data[0]);
     }
 }
+
+