Document hardware, pinout and I2C devices in a header comment of every device

Merge the old pinout comment blocks into the header and mark what each pin is used for.
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randy committed 2026-09-29 23:22:17 +02:00
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# Hardware: M5Stack CoreS3 + Stack-chan kit
# Pinout:
# GPIO0 -> i2s_bus (i2s_audio i2s_mclk_pin)
# GPIO2 -> Camera (esp32_camera)
# GPIO3 -> display_tft (display mipi_spi cs_pin)
# GPIO5 -> ir_tx (remote_transmitter)
# GPIO6 -> uart_servo (uart tx_pin)
# GPIO7 -> uart_servo (uart rx_pin)
# GPIO10 -> ir_rx (remote_receiver)
# GPIO11 -> i2c_bsp (i2c scl)
# GPIO12 -> i2c_bsp (i2c sda)
# GPIO13 -> speaker_id (speaker i2s_audio i2s_dout_pin)
# GPIO14 -> stackchan_microphone (microphone i2s_audio i2s_din_pin)
# GPIO15 -> Camera (esp32_camera data_pins)
# GPIO16 -> Camera (esp32_camera data_pins)
# GPIO33 -> i2s_bus (i2s_audio i2s_lrclk_pin)
# GPIO34 -> i2s_bus (i2s_audio i2s_bclk_pin)
# GPIO35 -> display_tft (display mipi_spi dc_pin)
# GPIO36 -> spi_bus (spi clk_pin)
# GPIO37 -> spi_bus (spi mosi_pin)
# GPIO38 -> Camera (esp32_camera href_pin)
# GPIO39 -> Camera (esp32_camera data_pins)
# GPIO40 -> Camera (esp32_camera data_pins)
# GPIO41 -> Camera (esp32_camera data_pins)
# GPIO42 -> Camera (esp32_camera data_pins)
# GPIO45 -> Camera (esp32_camera pixel_clock_pin)
# GPIO46 -> Camera (esp32_camera vsync_pin)
# GPIO47 -> Camera (esp32_camera data_pins)
# GPIO48 -> Camera (esp32_camera data_pins)
# I2C:
# 0x23 sensor ltr_als_ps (sensor ltr_als_ps)
# 0x34 axp2101_pmu (axp2101)
# 0x36 aw88298_dac (audio_dac aw88298)
# 0x38 touch_lcd (touchscreen ft63x6)
# 0x40 es7210_adc (audio_adc es7210)
# 0x41 sensor ina226 (sensor ina226)
# 0x51 rtc_time (time bm8563)
# 0x58 aw9523b_hub (aw9523b)
# 0x68 touch_hub (si12t)
# 0x6F m5ioe1_hub (m5ioe1)
substitutions:
device: stackchan
name: StackChan