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changed digital pin output to 4-bit binary

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This commit is contained in:
pyr0ball 2019-01-15 00:58:37 -08:00
parent cfa0abcaa5
commit 66e4a885e9
1 changed files with 22 additions and 49 deletions
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71
ATmega88_Piezo_Sensor/ATmega88_Piezo_Sensor.ino
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@ -39,10 +39,9 @@ int TRG_DUR = 120; // duration of the Z-axis pulse sent, in ms
int Vin = 5; // input reference voltage
float senseHighThrs = 2.47; // Upper threshold voltage of amp circuit before adjustment
float senseLowThrs = 1.90; // Lower threshold voltage of amp circuit before adjustment
const int VADJ_R0 = 20; // Auto-adjust ladder pin assignments
const int VADJ_R1 = 21;
const int VADJ_R2 = 5;
const int VADJ_R3 = 6;
int VADJ_R[] = {20, 21, 5, 6}; // Auto-adjust ladder pin assignments
int nAdjBits = sizeof(VADJ_R);
// these variables will change on their own. Do not edit them
volatile int sensorHReading = 0; // variable to store the value read from the sensor pin
@ -63,10 +62,9 @@ void setup() {
pinMode(Z_TRG, INPUT_PULLUP); // declare z-sense input with pullup
pinMode(V_FOLLOW_PIN, INPUT);
pinMode(VADJ_SENSE_PIN, INPUT);
pinMode(VADJ_R0, INPUT); // declare input to break pull to ground
pinMode(VADJ_R1, INPUT); // declare input to break pull to ground
pinMode(VADJ_R2, INPUT); // declare input to break pull to ground
pinMode(VADJ_R3, INPUT); // declare input to break pull to ground
for (byte i = 0; i < nAdjBits; i++) {
pinMode(VADJ_R[i], OUTPUT);
}
Serial.begin(9600);
// Uncomment the following lines to use PCInt pins instead of hardware interrupt
@ -99,50 +97,25 @@ void adjustState() {
Serial.println("--------------------");
}
void adjustVoltage() {
if (ADJ_STATE < 0) {
ERR_STATE = 1;
}
if (ADJ_STATE == 0) {
pinMode(VADJ_R3, INPUT);
pinMode(VADJ_R2, INPUT);
pinMode(VADJ_R1, INPUT);
pinMode(VADJ_R0, INPUT);
ERR_STATE = 0;
}
if (ADJ_STATE > 0) {
pinMode(VADJ_R3, OUTPUT);
digitalWrite(VADJ_R3, LOW);
pinMode(VADJ_R2, INPUT);
pinMode(VADJ_R1, INPUT);
pinMode(VADJ_R0, INPUT);
ERR_STATE = 0;
}
if (ADJ_STATE > 1) {
pinMode(VADJ_R2, OUTPUT);
digitalWrite(VADJ_R2, LOW);
pinMode(VADJ_R1, INPUT);
pinMode(VADJ_R0, INPUT);
ERR_STATE = 0;
}
if (ADJ_STATE > 2) {
pinMode(VADJ_R1, OUTPUT);
digitalWrite(VADJ_R1, LOW);
pinMode(VADJ_R0, INPUT);
ERR_STATE = 0;
}
if (ADJ_STATE > 3) {
pinMode(VADJ_R0, OUTPUT);
digitalWrite(VADJ_R0, LOW);
ERR_STATE = 0;
}
if (ADJ_STATE > 4) {
ERR_STATE = 1;
void adjustVoltage(byte AdjPoint) {
for (byte i =0; i < nAdjBits; i++) {
if (bitRead(AdjPoint, i)==1) {
digitalWrite(VADJ_R[i], HIGH);
}
else {
digitalWrite(VADJ_R[i], LOW);
}
}
}
void checkError () {
if (ADJ_STATE < 0) {
ERR_STATE = 1;
}
if (ADJ_STATE > 16) {
ERR_STATE = 1;
}
if (ERR_STATE == 1) {
digitalWrite(ERR_LED, BlinkState);
BlinkState = !BlinkState;
@ -176,7 +149,7 @@ void loop() {
adjustState();
// Voltage divider adjustment
adjustVoltage();
adjustVoltage(ADJ_STATE);
// Check for error state
checkError();