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-rw-r--r--src/arch/arduino-nano/Kconfig30
1 files changed, 25 insertions, 5 deletions
diff --git a/src/arch/arduino-nano/Kconfig b/src/arch/arduino-nano/Kconfig
index 79c7f2e..7003353 100644
--- a/src/arch/arduino-nano/Kconfig
+++ b/src/arch/arduino-nano/Kconfig
@@ -1,4 +1,4 @@
-# Copyright 2020 Birte Kristina Friesel
+# Copyright 2020-2024 Birte Kristina Friesel
#
# SPDX-License-Identifier: CC0-1.0
@@ -9,13 +9,26 @@ range 62500 16000000
default 16000000
help
Assumes an externel 16MHz crystal to be present
+ Must be one of 62500, 125000, 250000, 500000, 1000000, 2000000, 4000000, 8000000, 16000000.
config arch_arduino_nano_driver_adc
-bool "ADC (Analog-Digital-Converter)"
+bool "ADC on PC<0-5>"
+help
+ ADC0: PC0
+ ADC1: PC1
+ ADC2: PC2
+ ADC3: PC3
+ ADC4: PC4
+ ADC5: PC5
+ ADC6: ---
+ ADC7: ---
select meta_driver_adc
config arch_arduino_nano_driver_i2c
-bool "I2C"
+bool "I²C on PC[45]"
+help
+ SDA: PC4
+ SCL: PC5
select meta_driver_hardware_i2c
select meta_driver_i2c
@@ -24,11 +37,18 @@ bool "WS2812b (NeoPixel)"
select meta_driver_neopixel
config arch_arduino_nano_driver_spi
-bool "SPI"
+bool "SPI on PB[2345]"
+help
+ SS: PB2
+ MOSI: PB3
+ MISO: PB4
+ SCK: PB5
select meta_driver_spi
config arch_arduino_nano_driver_stdin
-bool "UART Input"
+bool "UART Input on PD0"
+help
+ RX: PD0 (USB)
select meta_driver_stdin
config arch_arduino_nano_driver_timer