Public Access
69 lines
3.0 KiB
C
69 lines
3.0 KiB
C
 
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#pragma once
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// All ESP32 settings. Credentials are in secrets.h (see secrets.example.h).
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// Kept free of Arduino types so the logic modules can be tested on the PC.
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#include <stdint.h>
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// ---------------------------------------------------------------------------
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// Pins
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// ---------------------------------------------------------------------------
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const int LED_PIN = 2; // built-in LED of the ESP32 DevKit v1
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const int RELAY_PIN = 13; // powers the panels and the Nano (LOW = on)
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// Link to the Nano on UART2. Serial (UART0) stays free for USB / debug output.
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const int NANO_RX_PIN = 16; // wired to the Nano TX (through a 5V -> 3.3V divider)
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const int NANO_TX_PIN = 17; // wired to the Nano RX
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// Optional: GPIO that resets the Nano through an NPN transistor (HIGH = reset), -1 = not wired.
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// Needed to flash a Nano with the Optiboot bootloader, which doesn't start after a power cycle.
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const int NANO_RESET_PIN = -1;
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// ---------------------------------------------------------------------------
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// Display and Nano
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// ---------------------------------------------------------------------------
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const uint8_t DISPLAY_WIDTH = 84;
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const uint8_t DISPLAY_HEIGHT = 19;
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const uint8_t PANEL_WIDTH = 28;
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const uint16_t FLIP_TIME = 225; // flip pulse length in us, sent to the Nano at boot
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const uint32_t NANO_BAUD = 115200;
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// Max wait for the Nano's READY after power on (also the wait when Nano TX is not wired to our RX)
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const uint32_t NANO_BOOT_TIMEOUT = 3000;
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// After a frame is cleared, wait this long before cutting the power, so the dots can flip
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const uint32_t CLEAR_BEFORE_OFF_TIME = 1000;
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// Power off this long after the display is no longer needed (night, standby, logo)
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const uint32_t POWER_OFF_DELAY = 30000;
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// ---------------------------------------------------------------------------
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// Flashing the Nano over WiFi (see README.md, pio run -e nano_ota -t upload)
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// ---------------------------------------------------------------------------
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const uint16_t NANO_FLASH_PORT = 2323;
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// The bootloader baud rate is chosen by the uploader (57600 old bootloader, 115200 Optiboot)
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const uint32_t NANO_POWER_OFF_TIME = 1000; // relay off time to make sure the Nano resets
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const uint32_t NANO_RESET_DELAY = 200; // after power on, before the reset pulse
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const uint32_t NANO_RESET_PULSE = 50;
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// ---------------------------------------------------------------------------
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// Network, time and Home Assistant
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// ---------------------------------------------------------------------------
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#define HOSTNAME "FlipDotDisplay"
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// Europe/Amsterdam
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#define TIMEZONE "CET-1CEST,M3.5.0,M10.5.0/3"
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#define NTP_SERVER "pool.ntp.org"
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// After a crash or unexpected reset, only run OTA for this long before starting the
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// main code, so a firmware that crashes at boot can still be replaced
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const uint32_t OTA_PANIC_WINDOW = 15000;
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// Home Assistant device id (do not change: Home Assistant's entities are linked to it)
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const uint8_t HA_DEVICE_ID[] = {0x34, 0x86, 0x5d, 0x3a, 0x08, 0x28};
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#define HA_DEVICE_NAME "FlipDotDisplay"
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#define HA_SOFTWARE_VERSION "2.0.0"
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