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boards/seeedstudio-xiao-nrf52840: Arduino pin map
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,132 @@ | ||
| /* | ||
| * Copyright (C) 2024 TU Dresden | ||
| * | ||
| * This file is subject to the terms and conditions of the GNU Lesser | ||
| * General Public License v2.1. See the file LICENSE in the top level | ||
| * directory for more details. | ||
| */ | ||
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| /** | ||
| * @ingroup boards_seeedstudio-xiao-nrf52840 | ||
| * @{ | ||
| * | ||
| * @file | ||
| * @brief Mapping from MCU pins to Arduino pins | ||
| * | ||
| * You can use the defines in this file for simplified interaction with the | ||
| * Arduino specific pin numbers. | ||
| * | ||
| * @author Mikolai Gütschow <[email protected]> | ||
| */ | ||
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| #ifndef ARDUINO_IOMAP_H | ||
| #define ARDUINO_IOMAP_H | ||
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| #include "periph/gpio.h" | ||
| #include "periph/adc.h" | ||
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| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
|
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| /** | ||
| * @name XIAO's UART devices | ||
| * @{ | ||
| * @brief Arduino's Serial uses USB-CDC-ACM stdio by default | ||
| */ | ||
| #define ARDUINO_UART_DEV UART_UNDEF | ||
| /** @} */ | ||
|
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| /** | ||
| * @name XIAO's SPI buses | ||
| * @{ | ||
| */ | ||
| #define ARDUINO_SPI_DEV SPI_DEV(0) | ||
| /** @} */ | ||
|
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| /** | ||
| * @name XIAO's I2C buses | ||
| * @{ | ||
| */ | ||
| #define ARDUINO_I2C_DEV I2C_DEV(0) | ||
| /** @} */ | ||
|
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| /** | ||
| * @name XIAO's on-board LED (LED_BUILTIN) | ||
| * @{ | ||
| */ | ||
| #define ARDUINO_LED (11) | ||
| /** @} */ | ||
|
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| /** | ||
| * @name Mapping of MCU pins to Arduino pins | ||
| * @{ | ||
| */ | ||
| /* Left pins */ | ||
| #define ARDUINO_PIN_0 GPIO_PIN(0, 2) | ||
| #define ARDUINO_PIN_1 GPIO_PIN(0, 3) | ||
| #define ARDUINO_PIN_2 GPIO_PIN(0,28) | ||
| #define ARDUINO_PIN_3 GPIO_PIN(0,29) | ||
| #define ARDUINO_PIN_4 GPIO_PIN(0, 4) | ||
| #define ARDUINO_PIN_5 GPIO_PIN(0, 5) | ||
| #define ARDUINO_PIN_6 GPIO_PIN(1,11) | ||
|
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| /* Right side */ | ||
| #define ARDUINO_PIN_7 GPIO_PIN(1,12) | ||
| #define ARDUINO_PIN_8 GPIO_PIN(1,13) | ||
| #define ARDUINO_PIN_9 GPIO_PIN(1,14) | ||
| #define ARDUINO_PIN_10 GPIO_PIN(1,15) | ||
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| /* Internal (LEDs) */ | ||
| #define ARDUINO_PIN_11 GPIO_PIN(0,26) | ||
| #define ARDUINO_PIN_12 GPIO_PIN(0, 6) | ||
| #define ARDUINO_PIN_13 GPIO_PIN(0,30) | ||
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| #define ARDUINO_PIN_LAST 13 | ||
| /** @} */ | ||
|
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| /** | ||
| * @name Aliases for analog pins | ||
| * @{ | ||
| */ | ||
| #define ARDUINO_PIN_A0 ARDUINO_PIN_0 | ||
| #define ARDUINO_PIN_A1 ARDUINO_PIN_1 | ||
| #define ARDUINO_PIN_A2 ARDUINO_PIN_2 | ||
| #define ARDUINO_PIN_A3 ARDUINO_PIN_3 | ||
| #define ARDUINO_PIN_A4 ARDUINO_PIN_4 | ||
| #define ARDUINO_PIN_A5 ARDUINO_PIN_5 | ||
| /** @} */ | ||
|
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| /** | ||
| * @name Mapping of Arduino analog pins to RIOT ADC lines | ||
| * @{ | ||
| */ | ||
| /* The Seeed Studio XIAO nRF52840 has a fixed ADC to GPIO mapping: | ||
| * | ||
| * nRF | MCU pin | Exposed as Arduino pin | ||
| * -----|-----------|----------------------- | ||
| * AIN0 | P0.02 | A0 (D0) | ||
| * AIN1 | P0.03 | A1 (D1) | ||
| * AIN2 | P0.04 | A4 (D4) | ||
| * AIN3 | P0.05 | A5 (D5) | ||
| * AIN4 | P0.28 | A2 (D2) | ||
| * AIN5 | P0.29 | A3 (D3) | ||
| * AIN6 | P0.30 | - (D13) | ||
| * AIN7 | P0.31 | - (-) | ||
| */ | ||
| #define ARDUINO_A0 ADC_LINE(0) | ||
| #define ARDUINO_A1 ADC_LINE(1) | ||
| #define ARDUINO_A2 ADC_LINE(4) | ||
| #define ARDUINO_A3 ADC_LINE(5) | ||
| #define ARDUINO_A4 ADC_LINE(2) | ||
| #define ARDUINO_A5 ADC_LINE(3) | ||
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| #define ARDUINO_ANALOG_PIN_LAST 5 | ||
| /** @} */ | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif | ||
|
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| #endif /* ARDUINO_IOMAP_H */ | ||
| /** @} */ | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -265,4 +265,5 @@ FEATURES_EXISTING := \ | |
| tinyusb_device \ | ||
| vdd_lc_filter_reg0 \ | ||
| vdd_lc_filter_reg1 \ | ||
| xiao_shield \ | ||
| # | ||