summaryrefslogtreecommitdiff
path: root/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c
diff options
context:
space:
mode:
Diffstat (limited to 'Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c')
-rw-r--r--Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c65
1 files changed, 0 insertions, 65 deletions
diff --git a/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c b/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c
deleted file mode 100644
index fae88f6..0000000
--- a/Resources/OpenPLCv2/firmware/ADC.test.arduino/trial.c
+++ /dev/null
@@ -1,65 +0,0 @@
-
-#define SELPIN 10 //Selection Pin
-#define DATAOUT 11//MOSI
-#define DATAIN 12//MISO
-#define SPICLOCK 13//Clock
-int readvalue;
-
-void setup(){
-//set pin modes
-pinMode(SELPIN, OUTPUT);
-pinMode(DATAOUT, OUTPUT);
-pinMode(DATAIN, INPUT);
-pinMode(SPICLOCK, OUTPUT);
-//disable device to start with
-digitalWrite(SELPIN,HIGH);
-digitalWrite(DATAOUT,LOW);
-digitalWrite(SPICLOCK,LOW);
-
-Serial.begin(9600);
-}
-
-int read_adc(int channel){
- int adcvalue = 0;
- byte commandbits = B11000000; //command bits - start, mode, chn (3), dont care (3)
-
- //allow channel selection
- commandbits|=((channel-1)<<3);
-
- digitalWrite(ADCSEL,LOW); //Select adc
- // setup bits to be written
- for (int i=7; i>=3; i--){
- digitalWrite(DATAOUT,commandbits&1<<i);
- //cycle clock
- digitalWrite(SPICLOCK,HIGH);
- digitalWrite(SPICLOCK,LOW);
- }
-
- digitalWrite(SPICLOCK,HIGH); //ignores 2 null bits
- digitalWrite(SPICLOCK,LOW);
- digitalWrite(SPICLOCK,HIGH);
- digitalWrite(SPICLOCK,LOW);
-
- //read bits from adc
- for (int i=11; i>=0; i--){
- adcvalue+=digitalRead(DATAIN)<<i;
- //cycle clock
- digitalWrite(SPICLOCK,HIGH);
- digitalWrite(SPICLOCK,LOW);
- }
- digitalWrite(ADCSEL, HIGH); //turn off device
- return adcvalue;
-}
-
-digitalWrite(SELPIN, HIGH); //turn off device
-return adcvalue;
-}
-
-void loop() {
-readvalue = read_adc(1);
-Serial.println(readvalue,DEC);
-readvalue = read_adc(2);
-Serial.println(readvalue,DEC);
-Serial.println(" ");
-delay(250);
-}