Diff: Feuchtigkeitssensor/Chirp.cpp

Revision:

29:91df2c5fb297

Parent:

27:bbcd157dcd63

diff -r d657b9202824 -r 91df2c5fb297 Feuchtigkeitssensor/Chirp.cpp
--- a/Feuchtigkeitssensor/Chirp.cpp	Sun May 02 19:51:55 2021 +0000
+++ b/Feuchtigkeitssensor/Chirp.cpp	Wed May 05 15:25:02 2021 +0000
@@ -2,6 +2,8 @@
 #include "Chirp.h"
  
 Chirp chirp(D14, D15); 
+const int addr7bit = 0x48;      // 7 bit I2C address
+const int addr8bit = 0x48 << 1; // 8bit I2C address, 0x90
  
 //Chirp Docs are at https://github.com/Miceuz/i2c-moisture-sensor and https://www.tindie.com/products/miceuz/i2c-soil-moisture-sensor/
 void getResults();
@@ -15,14 +17,29 @@
 float Chirp::getCapacitance(){
     i2c.frequency(10000);
     short capacitance = 0;
-    char i2cData[2]= {0}; 
+    char i2cData[2]; 
+    
+    char dataReg = 0; //Capacitance is stored in 2 bytes at address 0
+    char cmd[2];
     
-    char dataReg = 1; //Capacitance is stored in 2 bytes at address 0
-    i2c.write(address, &dataReg, 1); 
-    int success = i2c.read(address, i2cData, 2);
+    i2cData[0] = 0x01;
+    i2cData[1] = 0x00;
+    int test = i2c.write(addr8bit, cmd, 2);
+    printf("%i\n\n", test);
+    ThisThread::sleep_for(500);
+    cmd[0] = 0x00;
+    i2c.write(addr8bit, cmd, 1);
+    i2c.read(addr8bit, cmd, 2);
+    float tmp = (float((cmd[0] << 8) | cmd[1]) / 256.0);
+    printf("Temp = %.2f\n", tmp); 
     
     
-    if(success != 0)
+    int master = i2c.write(address, &dataReg, 1); 
+    printf("%i\n\n", master);
+    int success = i2c.read(address, i2cData, 2);
+     printf("%i\n\n", success);
+    
+    if(success != 1)
         return -1000000; 
     else
     {
@@ -39,12 +56,13 @@
     
     
     char dataReg = 4; //Temperature is stored in 2 bytes at address 5
-    i2c.write(address, &dataReg, 1); 
+    int master = i2c.write(address, &dataReg, 1); 
+    printf("%i\n\n", master);
     int success = i2c.read(address, i2cData, 2);
     printf("%i\n\n", success);
     
     
-    if(success != 0)
+    if(success != 1)
         return -1000000; 
     else
     {