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Merged
ThomasFarstrike merged 1 commit into from
Feb 16, 2026
Merged

Update board/m5stack_fire.py #43

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100 changes: 61 additions & 39 deletions internal_filesystem/lib/mpos/board/m5stack_fire.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,52 +2,77 @@
# Manufacturer's website at https://https://docs.m5stack.com/en/core/fire_v2.7
# Original author: https://github.com/ancebfer

import time

import drivers.display.ili9341 as ili9341
import lcd_bus
import machine

import lvgl as lv
import task_handler

import machine
import mpos.ui
import mpos.ui.focus_direction
from mpos import InputManager

# Pin configuration
SPI_BUS = 1 # SPI2
SPI_FREQ = 40000000
LCD_SCLK = 18
LCD_MOSI = 23
LCD_DC = 27
LCD_CS = 14
LCD_BL = 32
LCD_RST = 33
LCD_TYPE = 2 # ILI9341 type 2

TFT_HOR_RES=320
TFT_VER_RES=240

spi_bus = machine.SPI.Bus(
host=SPI_BUS,
mosi=LCD_MOSI,
sck=LCD_SCLK
)
display_bus = lcd_bus.SPIBus(
spi_bus=spi_bus,
freq=SPI_FREQ,
dc=LCD_DC,
cs=LCD_CS
)
from machine import PWM, Pin
from micropython import const
from mpos import AudioManager, InputManager

# Display settings:
SPI_BUS = const(1) # SPI2
SPI_FREQ = const(40000000)

LCD_SCLK = const(18)
LCD_MOSI = const(23)
LCD_DC = const(27)
LCD_CS = const(14)
LCD_BL = const(32)
LCD_RST = const(33)
LCD_TYPE = const(2) # ILI9341 type 2

TFT_HOR_RES = const(320)
TFT_VER_RES = const(240)

# Button settings:
BUTTON_A = const(39) # A
BUTTON_B = const(38) # B
BUTTON_C = const(37) # C

# Misc settings:
BATTERY_PIN = const(35)

# Buzzer
BUZZER_PIN = const(25)


print("m5stack_fire.py init buzzer")
buzzer = PWM(Pin(BUZZER_PIN, Pin.OUT, value=1), duty=5)
AudioManager(i2s_pins=None, buzzer_instance=buzzer)
AudioManager.set_volume(40)
AudioManager.play_rtttl("Star Trek:o=4,d=20,b=200:8f.,a#,4d#6.,8d6,a#.,g.,c6.,4f6")
while AudioManager.is_playing():
time.sleep(0.1)


print("m5stack_fire.py machine.SPI.Bus() initialization")
try:
spi_bus = machine.SPI.Bus(host=SPI_BUS, mosi=LCD_MOSI, sck=LCD_SCLK)
except Exception as e:
print(f"Error initializing SPI bus: {e}")
print("Attempting hard reset in 3sec...")
time.sleep(3)
machine.reset()


display_bus = lcd_bus.SPIBus(spi_bus=spi_bus, freq=SPI_FREQ, dc=LCD_DC, cs=LCD_CS)


# M5Stack-Fire ILI9342 uses ILI9341 type 2 with a modified orientation table.
class ILI9341(ili9341.ILI9341):
_ORIENTATION_TABLE = (
0x00,
0x40 | 0x20, # _MADCTL_MX | _MADCTL_MV
0x80 | 0x40, # _MADCTL_MY | _MADCTL_MX
0x80 | 0x20 # _MADCTL_MY | _MADCTL_MV
0x80 | 0x20, # _MADCTL_MY | _MADCTL_MV
)


mpos.ui.main_display = ILI9341(
data_bus=display_bus,
display_width=TFT_HOR_RES,
Expand All @@ -58,7 +83,7 @@ class ILI9341(ili9341.ILI9341):
reset_pin=LCD_RST,
reset_state=ili9341.STATE_LOW,
backlight_pin=LCD_BL,
backlight_on_state=ili9341.STATE_PWM
backlight_on_state=ili9341.STATE_PWM,
)
mpos.ui.main_display.init(LCD_TYPE)
mpos.ui.main_display.set_power(True)
Expand All @@ -68,12 +93,9 @@ class ILI9341(ili9341.ILI9341):
lv.init()

# Button handling code:
from machine import Pin
import time

btn_a = Pin(39, Pin.IN, Pin.PULL_UP) # A
btn_b = Pin(38, Pin.IN, Pin.PULL_UP) # B
btn_c = Pin(37, Pin.IN, Pin.PULL_UP) # C
btn_a = Pin(BUTTON_A, Pin.IN, Pin.PULL_UP) # A
btn_b = Pin(BUTTON_B, Pin.IN, Pin.PULL_UP) # B
btn_c = Pin(BUTTON_C, Pin.IN, Pin.PULL_UP) # C

# Key repeat configuration
# This whole debounce logic is only necessary because LVGL 9.2.2 seems to have an issue where
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