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Fork of
keypad_test
by 
Plamen Totev
Autus
This is the codebase accompanying the project Autus.
Autus is an automated growth chamber for plants.
Features
Control Humidity inside chamber wrt to external humidity.
Control Temperature inside chamber. ( Peltier Heaters/Coolers )
Water and shower plants.
Control soil humidity.
Monitor water tanks level (Load Cell)
Code Base Features
Fixed timing and CRC for DHT-11 Sensor. Fixed OneWire bug for ds18b20
Cyclic Executive Scheduler with Priority. Async IPC framework for PC App over bluetooth
Fake RTC systick, I was having some trouble with the on board rtc.
Diff: SoilMoisture/soilmoisture.cpp
- Revision:
- 11:f9ffd5ab7e94
- Parent:
- 7:1d691f81d455
--- a/SoilMoisture/soilmoisture.cpp Fri Apr 11 13:42:45 2014 +0000
+++ b/SoilMoisture/soilmoisture.cpp Sat Apr 12 06:35:04 2014 +0000
@@ -2,7 +2,7 @@
#include "soilmoisture.h"
/*https://mbed.org/users/chris/notebook/Getting-best-ADC-performance*/
static const int MAX_DATAPOINTS=500;
-static const unsigned int MAX_ADC_VALUE=65535;
+static const float MAX_ADC_VALUE=65535;
unsigned short current_soil_humid1=0;
unsigned short current_soil_humid2=0;
@@ -10,8 +10,8 @@
unsigned int current_soil_humid1_int=0;
unsigned int current_soil_humid2_int=0;
-unsigned int CMA_soil1=0;
-unsigned int CMA_soil2=0;
+unsigned short CMA_soil1=0;
+unsigned short CMA_soil2=0;
float soil1_humid=0;
float soil2_humid=0;
@@ -25,11 +25,11 @@
current_soil_humid2 = soil_sense2.read_u16();
//convert from short to int
- current_soil_humid1_int = (unsigned int)current_soil_humid1;
- current_soil_humid2_int = (unsigned int)current_soil_humid2;
+ //current_soil_humid1_int = (unsigned int)current_soil_humid1;
+ //current_soil_humid2_int = (unsigned int)current_soil_humid2;
- CMA_soil1 = (current_soil_humid1_int + (count*CMA_soil1))/(count+1);
- CMA_soil2 = (current_soil_humid2_int + (count*CMA_soil2))/(count+1);
+ CMA_soil1 = (current_soil_humid1 + (count*CMA_soil1))/(count+1);
+ CMA_soil2 = (current_soil_humid2 + (count*CMA_soil2))/(count+1);
wait_ms(5);
count++;
@@ -38,8 +38,8 @@
}
void calc_soil_humid_values(){
-
- soil1_humid = CMA_soil1/MAX_ADC_VALUE;
- soil2_humid = CMA_soil2/MAX_ADC_VALUE;
-
+ printf("%d \n\r",CMA_soil1);
+ soil1_humid = (float)CMA_soil1/MAX_ADC_VALUE;
+ soil2_humid = (float)CMA_soil2/MAX_ADC_VALUE;
+ printf("%4.2f \n\r",soil1_humid);
}
\ No newline at end of file