Revision 6:b5f2a1f5b91a, committed 2020-06-14

Comitter:

christodoulos

Date:

Sun Jun 14 13:14:13 2020 +0000

Parent:

5:97429a69bdcd

Commit message:

Si7051 (used in POCBreath_V2_smd_commercial)

Changed in this revision

diff -r 97429a69bdcd -r b5f2a1f5b91a main.cpp
--- a/main.cpp	Fri May 01 14:32:54 2020 +0000
+++ b/main.cpp	Sun Jun 14 13:14:13 2020 +0000
@@ -1,17 +1,29 @@
 #include "mbed.h"
-#include "eco2.h"
 //I2C bus for both ZMOD and temperature sensor
  
-Serial pc(PC_12, PD_2); 
-I2C i2c(PB_9, PB_8);
-DigitalOut wake(PB_2);
-
-uint16_t eco2, tvoc;
-
- 
+Serial ttl(PC_12, PD_2); 
+I2C ZMODtemp(PB_9, PB_8);
+DigitalOut red(PC_4);
+DigitalOut amber(PC_5);
+DigitalOut green(PB_0);
 int main()
 {
-    int addr=0x80; //si7050 8bit address
+        ttl.baud(115200); //baudrate for the serial connection, 9600 for hc05 115200 for rn
+
+    ttl.printf("$");//enter command mode only for rn
+    wait(0.5);
+    ttl.printf("$$");//enter command mode
+    wait(0.5);
+    ttl.printf("SN,Si7051\r");//set new name
+    wait(0.5);
+    ttl.printf("SS,C0\r");//set transparent uart
+    wait(0.5);
+    ttl.printf("&,4782CC640611\r");//Assign mac
+    wait(0.5);
+    ttl.printf("---\r");//enter data mode
+    wait(0.5);
+    
+    int ZMODTEMPaddr=0x80; //si7050 8bit address
     
     char wTemp[1];
     wTemp[0]=0xE3; //Hold master mode
@@ -22,15 +34,24 @@
     wInit[0]=0xE6; //User register 1
     wInit[1]=0x00; //Set 14 bit resolution, other read-ony registers shouldn't be affected
     
-    i2c.write(addr,wInit,2);
+    ZMODtemp.write(ZMODTEMPaddr,wInit,2);
     
     while(1){
-        i2c.write(addr,wTemp,1);
-        i2c.read(addr,rTemp,2); //Returns 2 bytes
+        ZMODtemp.write(ZMODTEMPaddr,wInit,2); //maybe
+        ZMODtemp.write(ZMODTEMPaddr,wTemp,1);
+        ZMODtemp.read(ZMODTEMPaddr,rTemp,2); //Returns 2 bytes
         float temp_code=(rTemp[0]<<8)+rTemp[1];
         float temp=((175.72*temp_code)/65536)-46.85;
-        pc.printf("Temp: %f\n",temp);
-        
+        ttl.printf("Temp: %f\n",temp_code);
+        wait(1);
+        red=1;
+        amber=1;
+        green=1;
+        wait(2);
+        red=0;
+        amber=0;
+        green=0;
+        wait(2);        
     }
     
 }
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