diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/Pyr0_Piezo_Sensor_v2.x.x.ino b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/Pyr0_Piezo_Sensor_v2.x.x.ino index 0ab7f43..6abff57 100644 --- a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/Pyr0_Piezo_Sensor_v2.x.x.ino +++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/Pyr0_Piezo_Sensor_v2.x.x.ino @@ -56,8 +56,6 @@ The gain STATE is representative of these values: 4 = 11x */ - - // Debug output toggle. Uncomment to enable #define DEBUG true @@ -65,9 +63,15 @@ The gain STATE is representative of these values: //#define I2C true #ifdef I2C #include + #include "pP_i2c.h" #endif -// Set variables for working parameters +// Headers, variables, and functions +#include "pP_pins.h" +#include "pP_volatile.h" +#include "pP_functions.cpp" + +// Configurable settings: int GAIN_FACTOR = 2; // Gain adjustment factor. 0=3x, 1=3.5x, 2=4.33x, 3=6x, 4=11x #define InitCount 6 // Number of times to blink the LED on start int LOOP_DUR = 100; // duration of time between ADC checks and other loop functions @@ -78,381 +82,7 @@ int TRG_DUR = 20; // duration of the Z-axis pulse sent, in ms int Hyst = 20; // Hysteresis value for ADC measurements #define Vin 5 // input reference voltage -// Analog Pin Assignments -#define V_FOLLOW_PIN A0 // Sense pin to check Voltage Follower stage -#define VCOMP_SENSE_PIN A1 // Sense pin to check comparator stage voltage -// Digital Pin Assignments -#define TRG_OUT 7 // LED and Z-Min trigger output connected to digital pin 7 -//#define TRG_OUT 13 // For testing on Atmega328/2560, Output is moved to onboard LED pin -//#define Z_TRG 0 // the piezo is connected to INT0 / digital pin 2 -#define Z_TRG 2 // the piezo is connected to INT0 / digital pin 2 -#define ERR_LED 4 // LED will blink if optimal voltage range cannot be achieved -#define GADJ_R0 20 // Auto-adjust ladder pin assignments -#define GADJ_R1 21 // " -#define GADJ_R2 5 // " -#define GADJ_R3 6 // " -#define V_FOL_PWM 3 // PWM analog output pin for voltage follower adjustment -#define VCOMP_PWM 9 // PWM analog output pin for comparator adjustment - -// these variables will change on their own. Do not edit ANYTHING below this line -volatile int sensorHReading = 0; // variable to store the value read from the sensor pin -volatile int ADJ_FOLLOW = 0; // Variable for Follower adjustment -volatile int ADJ_COMP = 0; // Variable for Comparator adjustment -volatile int ERR_STATE = 0; - -// Convert float to integer for adjustment functions -int senseInt = (senseThrs / 5) * 1024; // Voltage Follower upper converted to adg interger -int compInt = (compThrs / 5) * 1024; // Upper threshold of Comparator before adjustment - -// Voltage Comparator Adjustment parameters -//float VCompRef = 0.00; // variable to store the float value read from the comparator reference -int VComp = 0; -int diffCompL = VComp - compInt; -int diffCompH = compInt - VComp; - -// Voltage Follower Adjustment parameters -//float vAdjRead = 0.00; // variable to store the value read from the follower -int VAdj = 0; -int diffAdjL = VAdj - senseInt; -int diffAdjH = senseInt - VAdj; - -// Error blink parameters -int BlinkState = LOW; -int BlinkCount = InitCount * 2; // Multiply Blink count by 2 to handle toggle state - -// Serial Input Parsing Variables -#define buffSize 40 -char inputBuffer[buffSize]; -#define startMarker '<' -#define endMarker '>' -byte bytesRecvd = 0; -bool readInProgress = false; -bool serialIncoming = false; -char serialMessageIn[buffSize] = {0}; -int serialInt = 0; -float serialFloat = 0.00; - -void setup() { - pinMode(TRG_OUT, OUTPUT); // declare the Trigger as as OUTPUT - pinMode(ERR_LED, OUTPUT); - pinMode(Z_TRG, INPUT_PULLUP); // declare z-sense input with pullup - pinMode(V_FOLLOW_PIN, INPUT); - pinMode(VCOMP_SENSE_PIN, INPUT); - pinMode(GADJ_R0, INPUT); // declare input to break pull to ground - pinMode(GADJ_R1, INPUT); // declare input to break pull to ground - pinMode(GADJ_R2, INPUT); // declare input to break pull to ground - pinMode(GADJ_R3, INPUT); // declare input to break pull to ground - Serial.begin(9600); - - // Uncomment the following lines to use PCInt pins instead of hardware interrupt - //#include - //attachPCINT(digitalPinToPCINT(Z_TRG), pulse, FALLING); - - // Uncomment the followoing line to use hardware interrupt pin - attachInterrupt(digitalPinToInterrupt(Z_TRG), pulse, FALLING); - - Serial.println("Initializing Pyr0-Piezo Sensor..."); - -} - -/*------------------------------------------------*/ - -void pulse() { - digitalWrite(TRG_OUT, LOW); - sensorHReading = 1; - delay(TRG_DUR); - digitalWrite(TRG_OUT, HIGH); -} - -/*------------------------------------------------*/ - -void adjustFollow() { - /* Compares diffs of threshold vs read value - if positive, adjusts the follower to within - the range set above*/ - if (diffAdjL > 0.0) { - ADJ_FOLLOW += diffAdjL; - } - if (diffAdjH > 0.0) { - ADJ_FOLLOW -= diffAdjH; - } - - // Analog output (PWM) of duty cycle - analogWrite(V_FOL_PWM, ADJ_FOLLOW); -} - -/*------------------------------------------------*/ - -void adjustComp() { - if (diffCompL > 0.0) { - ADJ_COMP += diffCompL; - } - if (diffCompH > 0.0) { - ADJ_COMP -= diffCompH; - } - - analogWrite(VCOMP_PWM, ADJ_COMP); -} - -void calibrateAlert() { - if (diffAdjL > 0.0 || diffAdjH > 0.0 || diffCompL > 0.0 || diffCompH > 0.0) { - ERR_STATE = 1; - } -} - -/*------------------------------------------------*/ - -void adjustGain() { - - if (GAIN_FACTOR == 0) { - pinMode(GADJ_R3, INPUT); - pinMode(GADJ_R2, INPUT); - pinMode(GADJ_R1, INPUT); - pinMode(GADJ_R0, INPUT); - ERR_STATE = 0; - } - else if (GAIN_FACTOR > 0) { - pinMode(GADJ_R3, OUTPUT); - digitalWrite(GADJ_R3, LOW); - pinMode(GADJ_R2, INPUT); - pinMode(GADJ_R1, INPUT); - pinMode(GADJ_R0, INPUT); - ERR_STATE = 0; - } - else if (GAIN_FACTOR > 1) { - pinMode(GADJ_R2, OUTPUT); - digitalWrite(GADJ_R2, LOW); - pinMode(GADJ_R1, INPUT); - pinMode(GADJ_R0, INPUT); - ERR_STATE = 0; - } - else if (GAIN_FACTOR > 2) { - pinMode(GADJ_R1, OUTPUT); - digitalWrite(GADJ_R1, LOW); - pinMode(GADJ_R0, INPUT); - ERR_STATE = 0; - } - else if (GAIN_FACTOR > 3) { - pinMode(GADJ_R0, OUTPUT); - digitalWrite(GADJ_R0, LOW); - ERR_STATE = 0; - } -} - -/*------------------------------------------------*/ - -void checkError () { - if (ERR_STATE == 1) { - digitalWrite(ERR_LED, BlinkState); - BlinkState = !BlinkState; - } - else if (ERR_STATE == 0) { - BlinkState = LOW; - digitalWrite(ERR_LED, BlinkState); - } -} - -/*------------------------------------------------*/ - -void serialInput() { - - // receive data from Serial and save it into inputBuffer - - if(Serial.available() > 0) { - - // the order of these IF clauses is significant - identifyMarkers(); - - } -} - -/*------------------------------------------------*/ - -#ifdef I2C - void i2cInput() { - - // receive data from Serial and save it into inputBuffer - - while(Wire.available()) { - identifyMarkers(); - updateParams(); - i2cReply(); - } - } -#endif - -/*------------------------------------------------*/ - -void identifyMarkers() { - - char x = Serial.read(); -// char y = Wire.read(); - - if (x == endMarker) { - readInProgress = false; - serialIncoming = true; - inputBuffer[bytesRecvd] = 0; - parseData(); - } - - else if(readInProgress) { - inputBuffer[bytesRecvd] = x; - bytesRecvd ++; - if (bytesRecvd == buffSize) { - bytesRecvd = buffSize - 1; - } - } - - else if (x == startMarker) { - bytesRecvd = 0; - readInProgress = true; - } - #ifdef I2C - if (y == endMarker) { - readInProgress = false; - serialIncoming = true; - inputBuffer[bytesRecvd] = 0; - parseData(); - } - - if(readInProgress) { - inputBuffer[bytesRecvd] = y; - bytesRecvd ++; - if (bytesRecvd == buffSize) { - bytesRecvd = buffSize - 1; - } - } - - if (y == startMarker) { - bytesRecvd = 0; - readInProgress = true; - } - #endif -} - -/*------------------------------------------------*/ - -void parseData() { - - // split the data into its parts - - char * strtokIndx; // this is used by strtok() as an index - - strtokIndx = strtok(inputBuffer,","); // get the first part - the string - strcpy(serialMessageIn, strtokIndx); // copy it to serialMessageIn - - strtokIndx = strtok(NULL, ","); // this continues where the previous call left off - serialInt = atoi(strtokIndx); // convert this part to an integer - - strtokIndx = strtok(NULL, ","); - serialFloat = atof(strtokIndx); // convert this part to a float - -} - -/*------------------------------------------------*/ - -void updateParams() { - if (strcmp(serialMessageIn, "TRG_D") == 0) { - updateTrigDuration(); - } - else if (strcmp(serialMessageIn, "GAIN_F") == 0) { - updateGainFactor(); - } - else if (strcmp(serialMessageIn, "VCOMP") == 0) { - updateVComp(); - } - else if (strcmp(serialMessageIn, "VADJ") == 0) { - updateVAdj(); - } -} -/*------------------------------------------------*/ - -void updateTrigDuration() { - if (serialInt >= 0) { - TRG_DUR = serialInt; - } -} -/*------------------------------------------------*/ - -void updateGainFactor() { - if (serialInt >= 0) { - GAIN_FACTOR = serialInt; - } -} -/*------------------------------------------------*/ - -void updateVComp() { - if (serialInt >= 0) { - compInt = (serialFloat / 5) * 1024; - //senseInt = compInt; // syncing these params til #24 is fixed - } -} -/*------------------------------------------------*/ - -void updateVAdj() { - if (serialInt >= 0) { - senseInt = (serialFloat / 5) * 1024; - //compInt = senseInt; // syncing these params til #24 is fixed - } -} -/*------------------------------------------------*/ - -void updateHysteresis() { - if (serialInt >= 0) { - Hyst = serialInt; - } -} -/*------------------------------------------------*/ - -void serialReply() { - if (serialIncoming) { - serialIncoming = false; - #ifdef DEBUG - Serial.print("Comp Reference:"); - Serial.print(VComp); - Serial.print(" "); - Serial.print("Comparator State:"); - Serial.print(ADJ_COMP); - Serial.print(" "); - Serial.println(compInt); - - Serial.print("Diff"); - Serial.print(" "); - Serial.print(diffCompL); - Serial.print(" "); - Serial.println(diffCompH); - - Serial.print("Amp Sense:"); - Serial.print(VAdj); - Serial.print(" "); - Serial.print("Follower State:"); - Serial.print(ADJ_FOLLOW); - Serial.print(" "); - Serial.println(senseInt); - - Serial.print("Diff"); - Serial.print(" "); - Serial.print(diffAdjL); - Serial.print(" "); - Serial.println(diffAdjH); - #endif - - Serial.print("Delay:"); - Serial.println(TRG_DUR); - Serial.print("Error State:"); - Serial.println(ERR_STATE); - Serial.println("------------------"); - } -} -/*------------------------------------------------*/ -#ifdef I2C - void i2cReply() { - if (serialIncoming) { - Wire.write("OK"); - } - } -#endif /*------------------------------------------------*/ void loop() { diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_functions.cpp b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_functions.cpp new file mode 100644 index 0000000..55b1ae9 --- /dev/null +++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_functions.cpp @@ -0,0 +1,242 @@ +void setup() { + pinMode(TRG_OUT, OUTPUT); // declare the Trigger as as OUTPUT + pinMode(ERR_LED, OUTPUT); + pinMode(Z_TRG, INPUT_PULLUP); // declare z-sense input with pullup + pinMode(V_FOLLOW_PIN, INPUT); + pinMode(VCOMP_SENSE_PIN, INPUT); + pinMode(GADJ_R0, INPUT); // declare input to break pull to ground + pinMode(GADJ_R1, INPUT); // declare input to break pull to ground + pinMode(GADJ_R2, INPUT); // declare input to break pull to ground + pinMode(GADJ_R3, INPUT); // declare input to break pull to ground + Serial.begin(9600); + + // Uncomment the following lines to use PCInt pins instead of hardware interrupt + //#include + //attachPCINT(digitalPinToPCINT(Z_TRG), pulse, FALLING); + + // Uncomment the followoing line to use hardware interrupt pin + attachInterrupt(digitalPinToInterrupt(Z_TRG), pulse, FALLING); + + Serial.println("Initializing Pyr0-Piezo Sensor..."); + +} + +/*------------------------------------------------*/ + +void pulse() { + digitalWrite(TRG_OUT, LOW); + sensorHReading = 1; + delay(TRG_DUR); + digitalWrite(TRG_OUT, HIGH); +} + +/*------------------------------------------------*/ + +void adjustFollow() { + /* Compares diffs of threshold vs read value + if positive, adjusts the follower to within + the range set above*/ + if (diffAdjL > 0.0) { + ADJ_FOLLOW += diffAdjL; + } + if (diffAdjH > 0.0) { + ADJ_FOLLOW -= diffAdjH; + } + + // Analog output (PWM) of duty cycle + analogWrite(V_FOL_PWM, ADJ_FOLLOW); +} + +/*------------------------------------------------*/ + +void adjustComp() { + if (diffCompL > 0.0) { + ADJ_COMP += diffCompL; + } + if (diffCompH > 0.0) { + ADJ_COMP -= diffCompH; + } + + analogWrite(VCOMP_PWM, ADJ_COMP); +} + +void calibrateAlert() { + if (diffAdjL > 0.0 || diffAdjH > 0.0 || diffCompL > 0.0 || diffCompH > 0.0) { + ERR_STATE = 1; + } +} + +/*------------------------------------------------*/ + +void adjustGain() { + + if (GAIN_FACTOR == 0) { + pinMode(GADJ_R3, INPUT); + pinMode(GADJ_R2, INPUT); + pinMode(GADJ_R1, INPUT); + pinMode(GADJ_R0, INPUT); + ERR_STATE = 0; + } + else if (GAIN_FACTOR > 0) { + pinMode(GADJ_R3, OUTPUT); + digitalWrite(GADJ_R3, LOW); + pinMode(GADJ_R2, INPUT); + pinMode(GADJ_R1, INPUT); + pinMode(GADJ_R0, INPUT); + ERR_STATE = 0; + } + else if (GAIN_FACTOR > 1) { + pinMode(GADJ_R2, OUTPUT); + digitalWrite(GADJ_R2, LOW); + pinMode(GADJ_R1, INPUT); + pinMode(GADJ_R0, INPUT); + ERR_STATE = 0; + } + else if (GAIN_FACTOR > 2) { + pinMode(GADJ_R1, OUTPUT); + digitalWrite(GADJ_R1, LOW); + pinMode(GADJ_R0, INPUT); + ERR_STATE = 0; + } + else if (GAIN_FACTOR > 3) { + pinMode(GADJ_R0, OUTPUT); + digitalWrite(GADJ_R0, LOW); + ERR_STATE = 0; + } +} + +/*------------------------------------------------*/ + +void checkError () { + if (ERR_STATE == 1) { + digitalWrite(ERR_LED, BlinkState); + BlinkState = !BlinkState; + } + else if (ERR_STATE == 0) { + BlinkState = LOW; + digitalWrite(ERR_LED, BlinkState); + } +} + +/*------------------------------------------------*/ + +void identifyMarkers() { + + char x = Serial.read(); +// char y = Wire.read(); + + if (x == endMarker) { + readInProgress = false; + serialIncoming = true; + inputBuffer[bytesRecvd] = 0; + parseData(); + } + + else if(readInProgress) { + inputBuffer[bytesRecvd] = x; + bytesRecvd ++; + if (bytesRecvd == buffSize) { + bytesRecvd = buffSize - 1; + } + } + + else if (x == startMarker) { + bytesRecvd = 0; + readInProgress = true; + } + #ifdef I2C + if (y == endMarker) { + readInProgress = false; + serialIncoming = true; + inputBuffer[bytesRecvd] = 0; + parseData(); + } + + if(readInProgress) { + inputBuffer[bytesRecvd] = y; + bytesRecvd ++; + if (bytesRecvd == buffSize) { + bytesRecvd = buffSize - 1; + } + } + + if (y == startMarker) { + bytesRecvd = 0; + readInProgress = true; + } + #endif +} + +/*------------------------------------------------*/ + +void parseData() { + + // split the data into its parts + + char * strtokIndx; // this is used by strtok() as an index + + strtokIndx = strtok(inputBuffer,","); // get the first part - the string + strcpy(serialMessageIn, strtokIndx); // copy it to serialMessageIn + + strtokIndx = strtok(NULL, ","); // this continues where the previous call left off + serialInt = atoi(strtokIndx); // convert this part to an integer + + strtokIndx = strtok(NULL, ","); + serialFloat = atof(strtokIndx); // convert this part to a float + +} + +/*------------------------------------------------*/ + +void updateParams() { + if (strcmp(serialMessageIn, "TRG_D") == 0) { + updateTrigDuration(); + } + else if (strcmp(serialMessageIn, "GAIN_F") == 0) { + updateGainFactor(); + } + else if (strcmp(serialMessageIn, "VCOMP") == 0) { + updateVComp(); + } + else if (strcmp(serialMessageIn, "VADJ") == 0) { + updateVAdj(); + } +} +/*------------------------------------------------*/ + +void updateTrigDuration() { + if (serialInt >= 0) { + TRG_DUR = serialInt; + } +} +/*------------------------------------------------*/ + +void updateGainFactor() { + if (serialInt >= 0) { + GAIN_FACTOR = serialInt; + } +} +/*------------------------------------------------*/ + +void updateVComp() { + if (serialInt >= 0) { + compInt = (serialFloat / 5) * 1024; + //senseInt = compInt; // syncing these params til #24 is fixed + } +} +/*------------------------------------------------*/ + +void updateVAdj() { + if (serialInt >= 0) { + senseInt = (serialFloat / 5) * 1024; + //compInt = senseInt; // syncing these params til #24 is fixed + } +} +/*------------------------------------------------*/ + +void updateHysteresis() { + if (serialInt >= 0) { + Hyst = serialInt; + } +} +/*------------------------------------------------*/ \ No newline at end of file diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_i2c.cpp b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_i2c.cpp new file mode 100644 index 0000000..97643a2 --- /dev/null +++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_i2c.cpp @@ -0,0 +1,23 @@ +/*------------------------------------------------*/ + +#ifdef I2C + void i2cInput() { + + // receive data from Serial and save it into inputBuffer + + while(Wire.available()) { + identifyMarkers(); + updateParams(); + i2cReply(); + } + } +#endif + +/*------------------------------------------------*/ +#ifdef I2C + void i2cReply() { + if (serialIncoming) { + Wire.write("OK"); + } + } +#endif \ No newline at end of file diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_pins.h b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_pins.h new file mode 100644 index 0000000..6de03c2 --- /dev/null +++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_pins.h @@ -0,0 +1,32 @@ +/* pyr0-piezo pins configuration file + +Default pins (based on Rev.2.x.xPCB layout) + + * PD2 INT0 (Piezo In 'D2') + * D7 PCINT23 (Trigger OUT 'D7') + * PC0 ADC0 (Voltage Reference Check 'A0') + * PC1 ADC1 (Sensitivity Adjustment Check 'A1') + * PD4 PCINT20 (Error feedback LED 'D4') + * PB6 PCINT6 (Voltage Adjustment Resistor 0 'D20') + * PB7 PCINT7 (Voltage Adjustment Resistor 1 'D21') + * PD5 T1 (Voltage Adjustment Resistor 2 'D5') + * PD6 PCINT22 (Voltage Adjustment Resistor 3 'D6') + * PB1 OC1A (Comparator VRef PWM Out 'D9') + * PD3 OC2B (Voltage Follower VRef PWM Out 'D3') +*/ + +// Analog Pin Assignments +#define V_FOLLOW_PIN A0 // Sense pin to check Voltage Follower stage +#define VCOMP_SENSE_PIN A1 // Sense pin to check comparator stage voltage + +// Digital Pin Assignments +#define TRG_OUT 7 // LED and Z-Min trigger output connected to digital pin 7 +//#define TRG_OUT 13 // For testing on Atmega328/2560, Output is moved to onboard LED pin +#define Z_TRG 2 // the piezo is connected to INT0 / digital pin 2 +#define ERR_LED 4 // LED will blink if optimal voltage range cannot be achieved +#define GADJ_R0 20 // Auto-adjust ladder pin assignments +#define GADJ_R1 21 // " +#define GADJ_R2 5 // " +#define GADJ_R3 6 // " +#define V_FOL_PWM 3 // PWM analog output pin for voltage follower adjustment +#define VCOMP_PWM 9 // PWM analog output pin for comparator adjustment \ No newline at end of file diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_serial.cpp b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_serial.cpp new file mode 100644 index 0000000..2fe76af --- /dev/null +++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_serial.cpp @@ -0,0 +1,56 @@ +/*------------------------------------------------*/ + +void serialInput() { + + // receive data from Serial and save it into inputBuffer + + if(Serial.available() > 0) { + + // the order of these IF clauses is significant + identifyMarkers(); + + } +} + +/*------------------------------------------------*/ + +void serialReply() { + if (serialIncoming) { + serialIncoming = false; + #ifdef DEBUG + Serial.print("Comp Reference:"); + Serial.print(VComp); + Serial.print(" "); + Serial.print("Comparator State:"); + Serial.print(ADJ_COMP); + Serial.print(" "); + Serial.println(compInt); + + Serial.print("Diff"); + Serial.print(" "); + Serial.print(diffCompL); + Serial.print(" "); + Serial.println(diffCompH); + + Serial.print("Amp Sense:"); + Serial.print(VAdj); + Serial.print(" "); + Serial.print("Follower State:"); + Serial.print(ADJ_FOLLOW); + Serial.print(" "); + Serial.println(senseInt); + + Serial.print("Diff"); + Serial.print(" "); + Serial.print(diffAdjL); + Serial.print(" "); + Serial.println(diffAdjH); + #endif + + Serial.print("Delay:"); + Serial.println(TRG_DUR); + Serial.print("Error State:"); + Serial.println(ERR_STATE); + Serial.println("------------------"); + } +} diff --git a/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_volatile.h b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_volatile.h new file mode 100644 index 0000000..26dc20c --- /dev/null +++ b/firmware/AVR-Source/Pyr0_Piezo_Sensor_v2.x.x/pP_volatile.h @@ -0,0 +1,37 @@ +// these variables will change on their own. Do not edit ANYTHING below this line +volatile int sensorHReading = 0; // variable to store the value read from the sensor pin +volatile int ADJ_FOLLOW = 0; // Variable for Follower adjustment +volatile int ADJ_COMP = 0; // Variable for Comparator adjustment +volatile int ERR_STATE = 0; + +// Convert float to integer for adjustment functions +int senseInt = (senseThrs / 5) * 1024; // Voltage Follower upper converted to adg interger +int compInt = (compThrs / 5) * 1024; // Upper threshold of Comparator before adjustment + +// Voltage Comparator Adjustment parameters +//float VCompRef = 0.00; // variable to store the float value read from the comparator reference +int VComp = 0; +int diffCompL = VComp - compInt; +int diffCompH = compInt - VComp; + +// Voltage Follower Adjustment parameters +//float vAdjRead = 0.00; // variable to store the value read from the follower +int VAdj = 0; +int diffAdjL = VAdj - senseInt; +int diffAdjH = senseInt - VAdj; + +// Error blink parameters +int BlinkState = LOW; +int BlinkCount = InitCount * 2; // Multiply Blink count by 2 to handle toggle state + +// Serial Input Parsing Variables +#define buffSize 40 +char inputBuffer[buffSize]; +#define startMarker '<' +#define endMarker '>' +byte bytesRecvd = 0; +bool readInProgress = false; +bool serialIncoming = false; +char serialMessageIn[buffSize] = {0}; +int serialInt = 0; +float serialFloat = 0.00; \ No newline at end of file