# Copyright 2025 PostalPortal LLC and Netsyms Technologies LLC # # Redistribution and use in source and binary forms, with or # without modification, are permitted provided that # the following conditions are met: # 1. Redistributions of source code must retain # the above copyright notice, this list of conditions # and the following disclaimer. # 2. Redistributions in binary form must reproduce # the above copyright notice, this list of conditions # and the following disclaimer in the documentation # and/or other materials provided with the distribution. # 3. Neither the name of the copyright holder # nor the names of its contributors may be used # to endorse or promote products derived from # this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND # CONTRIBUTORS “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY # OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR # TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY # WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF # THE POSSIBILITY OF SUCH DAMAGE. # # Hardware configuration # UART_ID = 0 # TX/RX: UART 0: 0/1, 12/13, or 16/17; UART 1: 4/5 or 8/9 UART_TX_PIN=0 UART_RX_PIN=1 BUZZER_PWM_PIN = 11 # Pin for passive buzzer PWM TRIGGER_BUTTON_PIN = 12 # Pin to read for scan trigger button, connect trigger button between this and ground TRIGGER_PIN = 13 # Pin that connects to the scan module's trigger line, pulls the line low while the user is pressing the trigger button UP_BUTTON_PIN = 14 # Pin to read for navigation up button DOWN_BUTTON_PIN = 15 # Pin to read for navigation down button LED_PIN = 3 # "LED" for testing, 3 for prod FIRMWARE_VERSION = "0.0.1" # # Scanner configuration # SCAN_GAP_MS = 50 # Amount of time to wait for more characters from the scan engine before sending a barcode MAX_BARCODE_LENGTH = 8192 # Barcodes longer than this from the scan engine are assumed to be a glitch TESTMODE = False # Sends a simulated barcode scan every 5 seconds # # USB configuration # VID = 0x1209 # USB Vendor ID PID = 0xA003 # USB Product ID MANU = "PostalPortal LLC" # USB manufacturer string PROD = "PostalPoint Barcode Scanner" # USB product string INTERFACE = "PostalPoint" # Interface string USBHID_ENABLED = True # Disable USB, use serial output only (good for debugging) # # Display configuration # ENABLE_DISPLAY = True # Set to False to ignore display commands DISPLAY_WIDTH = 128 DISPLAY_HEIGHT = 64 CHAR_WIDTH = 8 CHAR_HEIGHT = 8 # Available pin combinations for I2C: # I2C 0 – SDA: GP0/GP4/GP8/GP12/GP16/GP20 # I2C 0 – SCL: GP1/GP5/GP9/GP13/GP17/GP21 # I2C 1 – SDA: GP2/GP6/GP10/GP14/GP18/GP26 # I2C 1 – SCL: GP3/GP7/GP11/GP15/GP19/GP27 # Just don't conflict with the pin assignments for the sensor and buttons! DISPLAY_SDA_PIN = 4 DISPLAY_SCL_PIN = 5 DISPLAY_I2C_CONTROLLER = 0