diff --git a/Script/common.py b/Script/common.py
index 14b02da..9d128ee 100644
--- a/Script/common.py
+++ b/Script/common.py
@@ -31,3 +31,13 @@
CONFIG_UPDATE_AVAILABLE = True
NO_CONFIG_UPDATE = False
+
+SWT_MODEL_SINGLE_TYPE_A = "Type-A"
+SWT_MODEL_SINGLE_TYPE_D = "Type-D"
+SWT_MODEL_DOUBLE_TYPE_B = "Type-B"
+SWT_MODEL_DOUBLE_TYPE_C = "Type-C"
+SWT_MODEL_DOUBLE_TYPE_E = "Type-E"
+
+LOOP_RTN_TYPE_ERROR = "error"
+LOOP_RTN_TYPE_SW_CHANGE = "switch"
+
diff --git a/Script/doubleSwitch.py b/Script/doubleSwitch.py
new file mode 100644
index 0000000..bfabd10
--- /dev/null
+++ b/Script/doubleSwitch.py
@@ -0,0 +1,318 @@
+from datetime import datetime
+import time
+
+from lcd20x4 import Lcd20x4
+from rpigpio import RpiGpio
+
+from utility import *
+from common import *
+from pinDescription import *
+
+
+# global hardware module library initilization
+lcd = Lcd20x4(LCD_MODULE_ADDRESS, LCD_MODULE_NO_OF_COLUMN, LCD_MODULE_NO_OF_ROW)
+gpio = RpiGpio()
+
+
+# global variables
+cycleIndexPos = 0
+cycleCounter = 0
+TotalCounter = 0
+
+previousPosition = None
+currentPosition = None
+
+ResetBtnReading = None
+buttonState = None
+
+ResetTrigger = False
+isConfigReadNeed = True
+cycleIndexPosMiddle = False
+
+lastButtonState = HIGH
+debounceDelay = 5000
+lastDebounceTime = 0
+
+
+# Introduction banner print
+def startIntroPrint():
+ lcd.write("SPRING LOADED", row = ROW_NO_0, center = True)
+ lcd.write("SWITCH TESTER", row = ROW_NO_1, center = True)
+ appVersion = getAppVersion()
+ print(f"Application version: {appVersion}")
+ lcd.write(f"Version: {appVersion}", row = ROW_NO_3, padding = True)
+ time.sleep(3)
+ lcd.clean()
+ time.sleep(0.5)
+ lcd.turnOffBacklight()
+ time.sleep(1)
+ lcd.turnOnBacklight()
+ time.sleep(1)
+
+
+# This is the gpio initialization
+def gpioInitialization():
+ gpio.pinMode(ON_BOARD_LED_PIN, OUTPUT)
+ gpio.pinMode(GPIO_3V3_1_PIN, OUTPUT)
+ gpio.pinMode(GPIO_3V3_2_PIN, OUTPUT)
+
+ gpio.pinMode(MICRO_SWITCH_S1_NC_PIN, INPUT, PULL_DOWN)
+ gpio.pinMode(MICRO_SWITCH_S1_NO_PIN, INPUT, PULL_DOWN)
+ gpio.pinMode(MICRO_SWITCH_S2_NC_PIN, INPUT, PULL_DOWN)
+ gpio.pinMode(MICRO_SWITCH_S2_NO_PIN, INPUT, PULL_DOWN)
+
+ gpio.pinMode(POSITION_RIGHT_LED_PIN, OUTPUT)
+ gpio.pinMode(POSITION_MIDDLE_LED_PIN, OUTPUT)
+ gpio.pinMode(POSITION_LEFT_LED_PIN, OUTPUT)
+
+ gpio.pinMode(MOTOR_ON_OFF_PIN, OUTPUT)
+
+ gpio.pinMode(RESET_PUSH_SWITCH_PIN, INPUT)
+
+ gpio.digitalWrite(GPIO_3V3_1_PIN, HIGH)
+ gpio.digitalWrite(GPIO_3V3_2_PIN, HIGH)
+
+ gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+
+
+# Time print function
+def printCurrentTime(row: int):
+ lcd.write(datetime.now().strftime('%I:%M:%S %p %d/%m/%y'), row = row, padding = True)
+
+
+# Print the count value
+def printCountValue(row: int, currentCount: int, totalCount: int):
+ lcd.write(f"Test:{currentCount}/{totalCount}", row = row, padding = True)
+
+
+# Turn on only the position LED
+def showPositionLED(position: int|None):
+ if position == POSITION_LEFT:
+ gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, HIGH)
+
+ elif position == POSITION_RIGHT:
+ gpio.digitalWrite(POSITION_RIGHT_LED_PIN, HIGH)
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+ elif position == POSITION_MIDDLE:
+ gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, HIGH)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+ else:
+ gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+
+# This is the void Setup() function just like Arduino code
+def doubleSwitchSetup(model: str):
+ global cycleIndexPos
+ global previousPosition
+ global cycleCounter
+ global TotalCounter
+
+ startIntroPrint()
+ print("Intro print done!")
+ gpioInitialization()
+ print("GPIO initialization done!")
+
+ lcd.write(f"Model: {model}", row = ROW_NO_1, center = True)
+
+ #################################################
+ ## S1_NO S1_NC S2_NO S2_NC ##
+ ## LEFT 0 1 1 0 ##
+ ## MID 1 0 1 0 ##
+ ## RIGHT 1 0 0 1 ##
+ #################################################
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
+ previousPosition = POSITION_LEFT
+ cycleIndexPos = POSITION_LEFT
+ print("Initial position: LEFT")
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
+ previousPosition = POSITION_MIDDLE
+ cycleIndexPos = POSITION_MIDDLE
+ print("Initial position: MIDDLE")
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN):
+ previousPosition = POSITION_RIGHT
+ cycleIndexPos = POSITION_RIGHT
+ print("Initial position: RIGHT")
+
+ ########## TEST BEGIN ###############
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN) and\
+ gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN) and\
+ gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
+ previousPosition = POSITION_MIDDLE
+ cycleIndexPos = POSITION_MIDDLE
+ print("Probably No switch found; All pin are HIGH ... !!")
+
+ if previousPosition == None and cycleIndexPos == None:
+ raise Exception("Something Wrong!! Not able to read switch position!!")
+
+ ########## TEST END## ###############
+
+ cycleCounter = getCycleCount()
+ TotalCounter = getTotalCount()
+ print(f"Current Counter: {cycleCounter}")
+ print(f"Max Counter : {TotalCounter}")
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ setCycleCount(cycleCounter)
+
+ gpio.digitalWrite(ON_BOARD_LED_PIN, LOW)
+
+
+# This is the void loop() function just like Arduino code
+def doubleSwitchLoop(model: str):
+ global isConfigReadNeed
+ global previousPosition
+ global cycleIndexPos
+ global currentPosition
+ global cycleCounter
+ global TotalCounter
+ global cycleIndexPosMiddle
+ global ResetBtnReading
+ global lastButtonState
+ global debounceDelay
+ global buttonState
+ global ResetTrigger
+ global lastDebounceTime
+
+ rtn = LOOP_RTN_TYPE_ERROR
+ switchModel = None
+
+ while True:
+ motorStatus = getMotorControlStatus()
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, motorStatus)
+ printCurrentTime(ROW_NO_0)
+
+ #################################################
+ ## S1_NO S1_NC S2_NO S2_NC ##
+ ## LEFT 0 1 1 0 ##
+ ## MID 1 0 1 0 ##
+ ## RIGHT 1 0 0 1 ##
+ #################################################
+
+ # Reading the gpio pin for the switchs
+ if gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
+ currentPosition = POSITION_LEFT
+ lcd.write("Position Left ", row = ROW_NO_2)
+ print("Position Left")
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
+ currentPosition = POSITION_MIDDLE
+ lcd.write("Position Middle", row = ROW_NO_2)
+ print("Position Middle")
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN):
+ currentPosition = POSITION_RIGHT
+ lcd.write("Position Right ", row = ROW_NO_2)
+ print("Position Right")
+
+ print("S1_NO:", gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN), end="\t")
+ print("S1_NC:", gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN), end="\t")
+ print("S2_NO:", gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN), end="\t")
+ print("S2_NC:", gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN))
+
+ # Turn on the postion LED
+ showPositionLED(currentPosition)
+
+ # According to the position, update the count number
+ countUpdate = False
+ if currentPosition != previousPosition:
+ if currentPosition == POSITION_LEFT or currentPosition == POSITION_RIGHT:
+ if cycleIndexPos == currentPosition:
+ cycleCounter += 1
+ countUpdate = True
+ elif currentPosition == POSITION_MIDDLE:
+ if cycleIndexPosMiddle and (cycleIndexPos == currentPosition):
+ cycleCounter += 1
+ countUpdate = True
+ cycleIndexPosMiddle = not cycleIndexPosMiddle
+ else:
+ pass
+
+ previousPosition = currentPosition
+
+ # update current and total count value if config update avaialabe
+ if getConfigUpdateStatus() == CONFIG_UPDATE_AVAILABLE:
+ cycleCounter = getCycleCount()
+ TotalCounter = getTotalCount()
+ motorStatus = getMotorControlStatus()
+ switchModel = getSwitchModel()
+ setConfigUpdateStatus(NO_CONFIG_UPDATE)
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, motorStatus)
+ if switchModel != model:
+ # Switch model has changed
+ print("Switch model change detected.")
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+ rtn = LOOP_RTN_TYPE_SW_CHANGE
+ break
+
+ # Update the count in the LCD
+ if countUpdate:
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ setCycleCount(cycleCounter)
+ countUpdate = False
+
+ # If reach the full count number then turn on the Finish LED
+ if cycleCounter >= TotalCounter:
+ gpio.digitalWrite(ON_BOARD_LED_PIN, HIGH)
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+ setMotorControlStatus(LOW)
+ lcd.write("Count Finished!", row = ROW_NO_3, padding = True)
+ print("Count Finished!")
+ cycleCounter = 0
+
+ # Reset button debounce logic
+ ResetBtnReading = gpio.digitalRead(RESET_PUSH_SWITCH_PIN)
+
+ if ResetBtnReading != lastButtonState:
+ lastDebounceTime = time.time()
+
+ if ((time.time() - lastDebounceTime) * 1000) > debounceDelay:
+ if ResetBtnReading != buttonState:
+ buttonState = ResetBtnReading
+
+ if buttonState == LOW:
+ lcd.write("Count Reseting...", row = ROW_NO_3, padding = True)
+ ResetTrigger = True
+
+ lastButtonState = ResetBtnReading
+
+ # If reset button pressed then clean the old stuffs
+ if ResetTrigger:
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+ setMotorControlStatus(LOW)
+ cycleCounter = 0
+ gpio.digitalWrite(ON_BOARD_LED_PIN, LOW)
+ setCycleCount(cycleCounter)
+ ResetTrigger = False
+ time.sleep(2)
+ lcd.write(" "*LCD_MODULE_NO_OF_COLUMN, row = ROW_NO_3)
+ time.sleep(1)
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+
+ # Return the loop status
+ return rtn, switchModel
+
+# Entry point main function
+def main():
+ print("Entering initial setup.")
+ doubleSwitchSetup(SWT_MODEL_DOUBLE_TYPE_B)
+ print("Entering main loop.")
+ doubleSwitchLoop(SWT_MODEL_DOUBLE_TYPE_B)
+
+
+if __name__ == "__main__":
+ main()
diff --git a/Script/lcd20x4.py b/Script/lcd20x4.py
index cbcbab2..321bbff 100644
--- a/Script/lcd20x4.py
+++ b/Script/lcd20x4.py
@@ -1,4 +1,8 @@
-from RPLCD.i2c import CharLCD
+try:
+ from RPLCD.i2c import CharLCD
+except ImportError:
+ print("RPLCD module not found. Please install it using 'pip install RPLCD'.")
+ CharLCD = None
class Lcd20x4:
def __init__(self, i2cAddress: int, column: int, row: int):
@@ -12,21 +16,27 @@ def __init__(self, i2cAddress: int, column: int, row: int):
def init(self):
- self._lcd = CharLCD(
- i2c_expander = 'PCF8574',
- address = self.i2cAddress,
- port = self.port,
- cols = self.columns,
- rows = self.rows,
- dotsize = self.dotSize)
+ try:
+ self._lcd = CharLCD(
+ i2c_expander = 'PCF8574',
+ address = self.i2cAddress,
+ port = self.port,
+ cols = self.columns,
+ rows = self.rows,
+ dotsize = self.dotSize)
+ except Exception as e:
+ print(f"Error initializing LCD: {e}")
+ self._lcd = None
self.clean()
def clean(self):
- self._lcd.clear()
+ if self._lcd:
+ self._lcd.clear()
def setLcdCursor(self, row: int, column: int):
- self._lcd.cursor_pos = (row, column)
+ if self._lcd:
+ self._lcd.cursor_pos = (row, column)
def write(self,
@@ -54,13 +64,17 @@ def write(self,
if row != -1:
self.setLcdCursor(row, column)
-
- self._lcd.write_string(text)
+ if self._lcd:
+ self._lcd.write_string(text)
+ else:
+ print(f"LCD: {text}")
def turnOffBacklight(self):
- self._lcd.backlight_enabled = False
+ if self._lcd:
+ self._lcd.backlight_enabled = False
def turnOnBacklight(self):
- self._lcd.backlight_enabled = True
+ if self._lcd:
+ self._lcd.backlight_enabled = True
diff --git a/Script/main.py b/Script/main.py
index ad5b019..5a1ae19 100644
--- a/Script/main.py
+++ b/Script/main.py
@@ -1,303 +1,54 @@
-from datetime import datetime
-import time
+from common import *
+from utility import *
+from doubleSwitch import *
+from singleSwitch import *
-from lcd20x4 import Lcd20x4
-from rpigpio import RpiGpio
-
-from utility import *
-from common import *
-from pinDescription import *
-
-
-# global hardware module library initilization
-lcd = Lcd20x4(LCD_MODULE_ADDRESS, LCD_MODULE_NO_OF_COLUMN, LCD_MODULE_NO_OF_ROW)
-gpio = RpiGpio()
-
-
-# global variables
-cycleIndexPos = 0
-cycleCounter = 0
-TotalCounter = 0
-
-previousPosition = None
-currentPosition = None
-
-ResetBtnReading = None
-buttonState = None
-
-ResetTrigger = False
-isConfigReadNeed = True
-cycleIndexPosMiddle = False
-
-lastButtonState = HIGH
-debounceDelay = 5000
-lastDebounceTime = 0
-
-
-# Introduction banner print
-def startIntroPrint():
- lcd.write("SPRING LOADED", row = ROW_NO_0, center = True)
- lcd.write("SWITCH TESTER", row = ROW_NO_1, center = True)
- appVersion = getAppVersion()
- print(f"Application version: {appVersion}")
- lcd.write(f"Version: {appVersion}", row = ROW_NO_3, padding = True)
- time.sleep(3)
- lcd.clean()
- time.sleep(0.5)
- lcd.turnOffBacklight()
- time.sleep(1)
- lcd.turnOnBacklight()
- time.sleep(1)
-
-
-# This is the gpio initialization
-def gpioInitialization():
- gpio.pinMode(ON_BOARD_LED_PIN, OUTPUT)
- gpio.pinMode(GPIO_3V3_1_PIN, OUTPUT)
- gpio.pinMode(GPIO_3V3_2_PIN, OUTPUT)
-
- gpio.pinMode(MICRO_SWITCH_S1_NC_PIN, INPUT, PULL_DOWN)
- gpio.pinMode(MICRO_SWITCH_S1_NO_PIN, INPUT, PULL_DOWN)
- gpio.pinMode(MICRO_SWITCH_S2_NC_PIN, INPUT, PULL_DOWN)
- gpio.pinMode(MICRO_SWITCH_S2_NO_PIN, INPUT, PULL_DOWN)
-
- gpio.pinMode(POSITION_RIGHT_LED_PIN, OUTPUT)
- gpio.pinMode(POSITION_MIDDLE_LED_PIN, OUTPUT)
- gpio.pinMode(POSITION_LEFT_LED_PIN, OUTPUT)
-
- gpio.pinMode(MOTOR_ON_OFF_PIN, OUTPUT)
-
- gpio.pinMode(RESET_PUSH_SWITCH_PIN, INPUT)
-
- gpio.digitalWrite(GPIO_3V3_1_PIN, HIGH)
- gpio.digitalWrite(GPIO_3V3_2_PIN, HIGH)
-
- gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
-
- gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
-
-
-# Time print function
-def printCurrentTime(row: int):
- lcd.write(datetime.now().strftime('%I:%M:%S %p %d/%m/%y'), row = row, padding = True)
- # time.sleep(0.1)
-
-
-# Print the count value
-def printCountValue(row: int, currentCount: int, totalCount: int):
- lcd.write(f"Test:{currentCount}/{totalCount}", row = row, padding = True)
-
-
-# Turn on only the position LED
-def showPositionLED(position: int|None):
- if position == POSITION_LEFT:
- gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_LEFT_LED_PIN, HIGH)
-
- elif position == POSITION_RIGHT:
- gpio.digitalWrite(POSITION_RIGHT_LED_PIN, HIGH)
- gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
-
- elif position == POSITION_MIDDLE:
- gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, HIGH)
- gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+def app_setup(switchModel):
+ if switchModel == SWT_MODEL_DOUBLE_TYPE_B or switchModel == SWT_MODEL_DOUBLE_TYPE_C or switchModel == SWT_MODEL_DOUBLE_TYPE_E:
+ doubleSwitchSetup(switchModel)
+ elif switchModel == SWT_MODEL_SINGLE_TYPE_A or switchModel == SWT_MODEL_SINGLE_TYPE_D:
+ singleSwitchSetup(switchModel)
else:
- gpio.digitalWrite(POSITION_RIGHT_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
- gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
-
-
-# This is the void setup() function just like Arduino code
-def setup():
- global cycleIndexPos
- global previousPosition
- global cycleCounter
- global TotalCounter
-
- startIntroPrint()
- print("Intro print done!")
- gpioInitialization()
- print("GPIO initialization done!")
- createRtDbFile()
- print("Database creation done!")
-
- lcd.write("Model: Type-D", row = ROW_NO_1, center = True)
-
- #################################################
- ## S1_NO S1_NC S2_NO S2_NC ##
- ## LEFT 0 1 1 0 ##
- ## MID 1 0 1 0 ##
- ## RIGHT 1 0 0 1 ##
- #################################################
-
- if gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
- previousPosition = POSITION_LEFT
- cycleIndexPos = POSITION_LEFT
- print("Initial position: LEFT")
-
- if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
- previousPosition = POSITION_MIDDLE
- cycleIndexPos = POSITION_MIDDLE
- print("Initial position: MIDDLE")
-
- if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN):
- previousPosition = POSITION_RIGHT
- cycleIndexPos = POSITION_RIGHT
- print("Initial position: RIGHT")
-
- ########## TEST BEGIN ###############
- if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN) and\
- gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN) and\
- gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
- previousPosition = POSITION_MIDDLE
- cycleIndexPos = POSITION_MIDDLE
- print("Probably No switch found; All pin are HIGH ... !!")
-
- if previousPosition == None and cycleIndexPos == None:
- raise Exception("Someting Wrong!! Not able to read switch posiiton!!")
-
- ########## TEST END## ###############
-
- cycleCounter = getCycleCount()
- TotalCounter = getTotalCount()
- print(f"Current Counter: {cycleCounter}")
- print(f"Max Counter : {TotalCounter}")
- printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
- setCycleCount(cycleCounter)
-
- gpio.digitalWrite(ON_BOARD_LED_PIN, LOW)
-
-
-# This is the void loop() function just like Arduino code
-def loop():
- global isConfigReadNeed
- global previousPosition
- global cycleIndexPos
- global currentPosition
- global cycleCounter
- global TotalCounter
- global cycleIndexPosMiddle
- global ResetBtnReading
- global lastButtonState
- global debounceDelay
- global buttonState
- global ResetTrigger
- global lastDebounceTime
-
- while True:
- gpio.digitalWrite(MOTOR_ON_OFF_PIN, HIGH)
- printCurrentTime(ROW_NO_0)
-
- #################################################
- ## S1_NO S1_NC S2_NO S2_NC ##
- ## LEFT 0 1 1 0 ##
- ## MID 1 0 1 0 ##
- ## RIGHT 1 0 0 1 ##
- #################################################
-
- # Reading the gpio pin for the switchs
- if gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
- currentPosition = POSITION_LEFT
- lcd.write("Position Left ", row = ROW_NO_2)
- print("Position Left")
+ print("Unknown switch model. Exiting.")
+ exit(1)
- if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN):
- currentPosition = POSITION_MIDDLE
- lcd.write("Position Middle", row = ROW_NO_2)
- print("Position Middle")
- if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN):
- currentPosition = POSITION_RIGHT
- lcd.write("Position Right ", row = ROW_NO_2)
- print("Position Right")
-
- print("S1_NO:", gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN), end="\t")
- print("S1_NC:", gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN), end="\t")
- print("S2_NO:", gpio.digitalRead(MICRO_SWITCH_S2_NO_PIN), end="\t")
- print("S2_NC:", gpio.digitalRead(MICRO_SWITCH_S2_NC_PIN))
-
- # Turn on the postion LED
- showPositionLED(currentPosition)
-
- # According to the position, update the count number
- countUpdate = False
- if currentPosition != previousPosition:
- if currentPosition == POSITION_LEFT or currentPosition == POSITION_RIGHT:
- if cycleIndexPos == currentPosition:
- cycleCounter += 1
- countUpdate = True
- elif currentPosition == POSITION_MIDDLE:
- if cycleIndexPosMiddle and (cycleIndexPos == currentPosition):
- cycleCounter += 1
- countUpdate = True
- cycleIndexPosMiddle = not cycleIndexPosMiddle
- else:
- pass
-
- previousPosition = currentPosition
-
- # update current and total count value if config update avaialabe
- if getConfigUpdateStatus() == CONFIG_UPDATE_AVAILABLE:
- cycleCounter = getCycleCount()
- TotalCounter = getTotalCount()
- setConfigUpdateStatus(NO_CONFIG_UPDATE)
- printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
-
- # Update the count in the LCD
- if countUpdate:
- printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
- setCycleCount(cycleCounter)
- countUpdate = False
-
- # If reach the full count number then turn on the Finish LED
- if cycleCounter >= TotalCounter:
- gpio.digitalWrite(ON_BOARD_LED_PIN, HIGH)
- gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
- lcd.write("Count Finished!", row = ROW_NO_3, padding = True)
- print("Count Finished!")
- cycleCounter = 0
-
- # Reset button debounce logic
- ResetBtnReading = gpio.digitalRead(RESET_PUSH_SWITCH_PIN)
-
- if ResetBtnReading != lastButtonState:
- lastDebounceTime = time.time()
-
- if ((time.time() - lastDebounceTime) * 1000) > debounceDelay:
- if ResetBtnReading != buttonState:
- buttonState = ResetBtnReading
-
- if buttonState == LOW:
- lcd.write("Count Reseting...", row = ROW_NO_3, padding = True)
- ResetTrigger = True
-
- lastButtonState = ResetBtnReading
+def app_loop(switchModel):
+ if switchModel == SWT_MODEL_DOUBLE_TYPE_B or switchModel == SWT_MODEL_DOUBLE_TYPE_C or switchModel == SWT_MODEL_DOUBLE_TYPE_E:
+ rtn, model = doubleSwitchLoop(switchModel)
+ elif switchModel == SWT_MODEL_SINGLE_TYPE_A or switchModel == SWT_MODEL_SINGLE_TYPE_D:
+ rtn, model = singleSwitchLoop(switchModel)
+ else:
+ print("Unknown switch model. Exiting.")
+ rtn = LOOP_RTN_TYPE_ERROR
+ model = None
- # If reset button pressed then clean the old stuffs
- if ResetTrigger:
- gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
- cycleCounter = 0
- gpio.digitalWrite(ON_BOARD_LED_PIN, LOW)
- setCycleCount(cycleCounter)
- ResetTrigger = False
- time.sleep(2)
- lcd.write(" "*LCD_MODULE_NO_OF_COLUMN, row = ROW_NO_3)
- time.sleep(1)
- printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ return rtn, model
# Entry point main function
-def main():
+def main(ForceDbCreation = False, newSwModel = None):
+ print(f"Starting Spring Loaded Switch application. {getAppVersion()}")
+ createRtDbFile(ForceDbCreation)
+ print("Database creation done!")
+ if newSwModel:
+ print("Updating new Switch Model...")
+ setSwitchModel(newSwModel)
+ print("Getting Switch Model...")
+ switchModel = getSwitchModel()
+ print(f"Detected Switch Model: {switchModel}")
print("Entering initial setup.")
- setup()
+ app_setup(switchModel)
print("Entering main loop.")
- loop()
+ rtn, model = app_loop(switchModel)
+ print(f"Main loop returned: {rtn}")
+ if rtn == LOOP_RTN_TYPE_SW_CHANGE:
+ print("Switch model change detected. Restarting application...")
+ main(ForceDbCreation = True, newSwModel = model)
+ else:
+ print("Exiting application.")
+ exit(-1)
if __name__ == "__main__":
diff --git a/Script/rpigpio.py b/Script/rpigpio.py
index 4300154..458aa1d 100644
--- a/Script/rpigpio.py
+++ b/Script/rpigpio.py
@@ -1,4 +1,8 @@
-import RPi.GPIO as GPIO # type: ignore
+try:
+ import RPi.GPIO as GPIO # type: ignore
+except ImportError:
+ print("RPi.GPIO module not found. Please install it using 'pip install RPi.GPIO'.")
+ GPIO = None
from common import *
class RpiGpio:
@@ -7,15 +11,22 @@ def __init__(self):
def init(self):
+ if GPIO is None:
+ print("RPi.GPIO module is not available.")
+ return
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
def deinit(self):
- GPIO.cleanup()
+ if GPIO:
+ GPIO.cleanup()
def pinMode(self, pin: int, state: bool, pullUpDown: bool|None = None):
+ if GPIO is None:
+ print("RPi.GPIO module is not available.")
+ return
_state = None
_pullUpDown = None
@@ -44,11 +55,15 @@ def pinMode(self, pin: int, state: bool, pullUpDown: bool|None = None):
def digitalRead(self, pin: int):
+ if GPIO is None:
+ return LOW
state = GPIO.input(pin)
return state
def digitalWrite(self, pin: int, state: bool):
+ if GPIO is None:
+ return
_state = None
# Mapping with HIGH LOW macro with GPIO.HIGH GPIO.LOW
diff --git a/Script/singleSwitch.py b/Script/singleSwitch.py
new file mode 100644
index 0000000..1445f59
--- /dev/null
+++ b/Script/singleSwitch.py
@@ -0,0 +1,284 @@
+from datetime import datetime
+import time
+
+from lcd20x4 import Lcd20x4
+from rpigpio import RpiGpio
+
+from utility import *
+from common import *
+from pinDescription import *
+
+
+# global hardware module library initilization
+lcd = Lcd20x4(LCD_MODULE_ADDRESS, LCD_MODULE_NO_OF_COLUMN, LCD_MODULE_NO_OF_ROW)
+gpio = RpiGpio()
+
+
+# global variables
+cycleIndexPos = 0
+cycleCounter = 0
+TotalCounter = 0
+
+previousPosition = None
+currentPosition = None
+
+ResetBtnReading = None
+buttonState = None
+
+ResetTrigger = False
+isConfigReadNeed = True
+cycleIndexPosMiddle = False
+
+lastButtonState = HIGH
+debounceDelay = 5000
+lastDebounceTime = 0
+
+
+# Introduction banner print
+def startIntroPrint():
+ lcd.write("SPRING LOADED", row = ROW_NO_0, center = True)
+ lcd.write("SWITCH TESTER", row = ROW_NO_1, center = True)
+ appVersion = getAppVersion()
+ print(f"Application version: {appVersion}")
+ lcd.write(f"Version: {appVersion}", row = ROW_NO_3, padding = True)
+ time.sleep(3)
+ lcd.clean()
+ time.sleep(0.5)
+ lcd.turnOffBacklight()
+ time.sleep(1)
+ lcd.turnOnBacklight()
+ time.sleep(1)
+
+
+# This is the gpio initialization
+def gpioInitialization():
+ gpio.pinMode(ON_BOARD_LED_PIN, OUTPUT)
+ gpio.pinMode(GPIO_3V3_1_PIN, OUTPUT)
+ gpio.pinMode(GPIO_3V3_2_PIN, OUTPUT)
+
+ gpio.pinMode(MICRO_SWITCH_S1_NC_PIN, INPUT, PULL_DOWN)
+ gpio.pinMode(MICRO_SWITCH_S1_NO_PIN, INPUT, PULL_DOWN)
+
+ gpio.pinMode(POSITION_MIDDLE_LED_PIN, OUTPUT)
+ gpio.pinMode(POSITION_LEFT_LED_PIN, OUTPUT)
+
+ gpio.pinMode(MOTOR_ON_OFF_PIN, OUTPUT)
+
+ gpio.pinMode(RESET_PUSH_SWITCH_PIN, INPUT)
+
+ gpio.digitalWrite(GPIO_3V3_1_PIN, HIGH)
+ gpio.digitalWrite(GPIO_3V3_2_PIN, HIGH)
+
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+
+
+# Time print function
+def printCurrentTime(row: int):
+ lcd.write(datetime.now().strftime('%I:%M:%S %p %d/%m/%y'), row = row, padding = True)
+
+
+# Print the count value
+def printCountValue(row: int, currentCount: int, totalCount: int):
+ lcd.write(f"Test:{currentCount}/{totalCount}", row = row, padding = True)
+
+
+# Turn on only the position LED
+def showPositionLED(position: int|None):
+ if position == POSITION_LEFT:
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, HIGH)
+
+ elif position == POSITION_MIDDLE:
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, HIGH)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+ else:
+ gpio.digitalWrite(POSITION_MIDDLE_LED_PIN, LOW)
+ gpio.digitalWrite(POSITION_LEFT_LED_PIN, LOW)
+
+
+# This is the void setup() function just like Arduino code
+def singleSwitchSetup(model: str):
+ global cycleIndexPos
+ global previousPosition
+ global cycleCounter
+ global TotalCounter
+
+ startIntroPrint()
+ print("Intro print done!")
+ gpioInitialization()
+ print("GPIO initialization done!")
+
+ lcd.write(f"Model: {model}", row = ROW_NO_1, center = True)
+
+ ##############################
+ ## S1_NO S1_NC ##
+ ## LEFT 0 1 ##
+ ## MID 1 0 ##
+ ##############################
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN):
+ previousPosition = POSITION_LEFT
+ cycleIndexPos = POSITION_LEFT
+ print("Initial position: LEFT")
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN):
+ previousPosition = POSITION_MIDDLE
+ cycleIndexPos = POSITION_MIDDLE
+ print("Initial position: MIDDLE")
+
+ ########## TEST BEGIN ###############
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN) and gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN):
+ previousPosition = POSITION_MIDDLE
+ cycleIndexPos = POSITION_MIDDLE
+ print("Probably No switch found; All pin are HIGH ... !!")
+
+ if previousPosition == None and cycleIndexPos == None:
+ raise Exception("Something Wrong!! Not able to read switch position!!")
+
+ ########## TEST END## ###############
+
+ cycleCounter = getCycleCount()
+ TotalCounter = getTotalCount()
+ print(f"Current Counter: {cycleCounter}")
+ print(f"Max Counter : {TotalCounter}")
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ setCycleCount(cycleCounter)
+
+ gpio.digitalWrite(ON_BOARD_LED_PIN, LOW)
+
+
+# This is the void loop() function just like Arduino code
+def singleSwitchLoop(model: str):
+ global isConfigReadNeed
+ global previousPosition
+ global cycleIndexPos
+ global currentPosition
+ global cycleCounter
+ global TotalCounter
+ global cycleIndexPosMiddle
+ global ResetBtnReading
+ global lastButtonState
+ global debounceDelay
+ global buttonState
+ global ResetTrigger
+ global lastDebounceTime
+
+ rtn = LOOP_RTN_TYPE_ERROR
+ switchModel = None
+
+ while True:
+ motorStatus = getMotorControlStatus()
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, motorStatus)
+ printCurrentTime(ROW_NO_0)
+
+ ##############################
+ ## S1_NO S1_NC ##
+ ## LEFT 0 1 ##
+ ## MID 1 0 ##
+ ##############################
+
+ # Reading the gpio pin for the switchs
+ if gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN):
+ currentPosition = POSITION_LEFT
+ lcd.write("Position Left ", row = ROW_NO_2)
+ print("Position Left")
+
+ if gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN):
+ currentPosition = POSITION_MIDDLE
+ lcd.write("Position Middle", row = ROW_NO_2)
+ print("Position Middle")
+
+ print("S1_NO:", gpio.digitalRead(MICRO_SWITCH_S1_NO_PIN), end="\t")
+ print("S1_NC:", gpio.digitalRead(MICRO_SWITCH_S1_NC_PIN))
+
+ # Turn on the postion LED
+ showPositionLED(currentPosition)
+
+ # According to the position, update the count number
+ countUpdate = False
+ if currentPosition != previousPosition:
+ # A full cycle is MIDDLE -> LEFT -> MIDDLE.
+ # Increment count when transitioning from MIDDLE to LEFT.
+ if currentPosition == POSITION_MIDDLE and previousPosition == POSITION_LEFT:
+ cycleCounter += 1
+ countUpdate = True
+
+ previousPosition = currentPosition
+
+ # update current and total count value if config update avaialabe
+ if getConfigUpdateStatus() == CONFIG_UPDATE_AVAILABLE:
+ cycleCounter = getCycleCount()
+ TotalCounter = getTotalCount()
+ motorStatus = getMotorControlStatus()
+ switchModel = getSwitchModel()
+ setConfigUpdateStatus(NO_CONFIG_UPDATE)
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, motorStatus)
+ if switchModel != model:
+ # Switch model has changed
+ print("Switch model change detected.")
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+ rtn = LOOP_RTN_TYPE_SW_CHANGE
+ break
+
+ # Update the count in the LCD
+ if countUpdate:
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+ setCycleCount(cycleCounter)
+ countUpdate = False
+
+ # If reach the full count number then turn on the Finish LED
+ if cycleCounter >= TotalCounter:
+ gpio.digitalWrite(ON_BOARD_LED_PIN, HIGH)
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+ setMotorControlStatus(LOW)
+ lcd.write("Count Finished!", row = ROW_NO_3, padding = True)
+ print("Count Finished!")
+ cycleCounter = 0
+
+ # Reset button debounce logic
+ ResetBtnReading = gpio.digitalRead(RESET_PUSH_SWITCH_PIN)
+
+ if ResetBtnReading != lastButtonState:
+ lastDebounceTime = time.time()
+
+ if ((time.time() - lastDebounceTime) * 1000) > debounceDelay:
+ if ResetBtnReading != buttonState:
+ buttonState = ResetBtnReading
+
+ if buttonState == LOW:
+ lcd.write("Count Reseting...", row = ROW_NO_3, padding = True)
+ ResetTrigger = True
+
+ lastButtonState = ResetBtnReading
+
+ # If reset button pressed then clean the old stuffs
+ if ResetTrigger:
+ gpio.digitalWrite(MOTOR_ON_OFF_PIN, LOW)
+ setMotorControlStatus(LOW)
+ cycleCounter = 0
+ gpio.digitalWrite(ON_BOARD_LED_PIN, LOW)
+ setCycleCount(cycleCounter)
+ ResetTrigger = False
+ time.sleep(2)
+ lcd.write(" "*LCD_MODULE_NO_OF_COLUMN, row = ROW_NO_3)
+ time.sleep(1)
+ printCountValue(row = ROW_NO_3, currentCount = cycleCounter, totalCount = TotalCounter)
+
+ # Return the loop status
+ return rtn, switchModel
+
+# Entry point main function
+def main():
+ print("Entering initial setup.")
+ singleSwitchSetup(SWT_MODEL_SINGLE_TYPE_A)
+ print("Entering main loop.")
+ singleSwitchLoop(SWT_MODEL_SINGLE_TYPE_A)
+
+
+if __name__ == "__main__":
+ main()
diff --git a/Script/utility.py b/Script/utility.py
index ce6bac4..e95f96b 100644
--- a/Script/utility.py
+++ b/Script/utility.py
@@ -33,10 +33,12 @@ def getAppVersion():
return "0.0.0.0000"
-def createRtDbFile():
- if not os.path.exists(RT_DB_FILE):
+def createRtDbFile(ForceDbCreation = False):
+ if not os.path.exists(RT_DB_FILE) or ForceDbCreation:
blankData = {
- "cycleCount": 0
+ "cycleCount": 0,
+ "switchModel": SWT_MODEL_DOUBLE_TYPE_B,
+ "motorStatus": 1
}
setYamlData(RT_DB_FILE, blankData)
@@ -101,3 +103,41 @@ def setConfigUpdateStatus(status):
if rtData:
rtData["updateNeeded"] = status
setYamlData(RT_DB_FILE, rtData)
+
+
+def getSwitchModel():
+ switchModel = SWT_MODEL_DOUBLE_TYPE_B
+ rtData = getYamlData(RT_DB_FILE)
+ if rtData:
+ switchModel = rtData.get("switchModel")
+ if switchModel == None:
+ switchModel = SWT_MODEL_DOUBLE_TYPE_B
+
+ return switchModel
+
+
+def setSwitchModel(switchModel):
+ rtData = getYamlData(RT_DB_FILE)
+ if rtData:
+ rtData["switchModel"] = switchModel
+ setYamlData(RT_DB_FILE, rtData)
+
+
+def getMotorControlStatus():
+ motorStatus = LOW
+ rtData = getYamlData(RT_DB_FILE)
+ if rtData:
+ motorStatus = rtData.get("motorStatus")
+ if motorStatus == None:
+ motorStatus = LOW
+
+ return motorStatus
+
+
+def setMotorControlStatus(status):
+ status = 1 if status == HIGH else 0
+
+ rtData = getYamlData(RT_DB_FILE)
+ if rtData:
+ rtData["motorStatus"] = status
+ setYamlData(RT_DB_FILE, rtData)
diff --git a/Web/backend.php b/Web/backend.php
index c629b24..17bc2d8 100644
--- a/Web/backend.php
+++ b/Web/backend.php
@@ -6,6 +6,12 @@
$yamlConfigFilePath = '../config.yaml';
$RtConfigFilePath = '../rtDb.json';
+$SWT_MODEL_SINGLE_TYPE_A = "Type-A";
+$SWT_MODEL_SINGLE_TYPE_D = "Type-D";
+$SWT_MODEL_DOUBLE_TYPE_B = "Type-B";
+$SWT_MODEL_DOUBLE_TYPE_C = "Type-C";
+$SWT_MODEL_DOUBLE_TYPE_E = "Type-E";
+
// get yaml config data
function getConfigData()
@@ -88,4 +94,44 @@ function updateCurrentCountValue($count)
$rtConfig["updateNeeded"] = 1;
setRtConfig($rtConfig);
}
+
+
+// update switch model
+function updateSwitchModel($model)
+{
+ $rtConfig = getRtConfig();
+ $rtConfig["switchModel"] = $model;
+ $rtConfig["updateNeeded"] = 1;
+ setRtConfig($rtConfig);
+}
+
+
+// toggle motor state
+function toggleMotorState()
+{
+ $rtConfig = getRtConfig();
+ if (isset($rtConfig["motorStatus"])) {
+ $rtConfig["motorStatus"] = ($rtConfig["motorStatus"] == 1) ? 0 : 1;
+ } else {
+ $rtConfig["motorStatus"] = 1; // Default to ON if not set
+ }
+ $rtConfig["updateNeeded"] = 1;
+ setRtConfig($rtConfig);
+ return $rtConfig["motorStatus"];
+}
+
+
+// get motor status
+function getMotorStatus()
+{
+ $rtConfig = getRtConfig();
+ return isset($rtConfig['motorStatus']) ? $rtConfig['motorStatus'] : 0; // Default to Off
+}
+
+// get switch type
+function getSwitchType()
+{
+ $rtConfig = getRtConfig();
+ return isset($rtConfig['switchModel']) ? $rtConfig['switchModel'] : $SWT_MODEL_DOUBLE_TYPE_B; // Default to Type-B
+}
?>
diff --git a/Web/index.php b/Web/index.php
index 7026228..64e9066 100644
--- a/Web/index.php
+++ b/Web/index.php
@@ -4,6 +4,9 @@
$appVersion = getAppVersion();
$currentCount = getCurrentCountValue();
$totalCount = getTotalCountValue();
+$motorStatus = getMotorStatus();
+$switchType = getSwitchType();
+$motorButtonText = $motorStatus == 1 ? "Turn Off" : "Turn On";
?>
@@ -28,6 +31,23 @@
Count: /
+
+
+
+
+
+
+
+
+