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Merge pull request #21004 from maribu/boards/common/arduino-zero/arduino-iomap

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boards/wemos-zero: fix Arduio I/O Map
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mguetschow 2024-11-19 15:15:19 +00:00 committed by GitHub
commit 89b5169037
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2 changed files with 16 additions and 4 deletions
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15
boards/common/arduino-zero/include/arduino_iomap.h
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@ -64,11 +64,22 @@ extern "C" {
* @name Mapping of MCU pins to Arduino pins * @name Mapping of MCU pins to Arduino pins
* @{ * @{
*/ */
/* The WeMos Zero / HW-819 has D2 and D4 swapped compared to official Arduino
* Zero, so we have to handle D2 and D4 differently depending on board */
#ifdef BOARD_WEMOS_ZERO
# define ARDUINO_PIN_2 GPIO_PIN(PA, 8)
# define ARDUINO_PIN_4 GPIO_PIN(PA, 14)
#else /* Official Arduino Zero or fully compatible: */
# define ARDUINO_PIN_2 GPIO_PIN(PA, 14)
# define ARDUINO_PIN_4 GPIO_PIN(PA, 8)
#endif
/* all other pins are identical for all currently supported Arduino Zero
* compatible boards */
#define ARDUINO_PIN_0 GPIO_PIN(PA, 11) #define ARDUINO_PIN_0 GPIO_PIN(PA, 11)
#define ARDUINO_PIN_1 GPIO_PIN(PA, 10) #define ARDUINO_PIN_1 GPIO_PIN(PA, 10)
#define ARDUINO_PIN_2 GPIO_PIN(PA, 14)
#define ARDUINO_PIN_3 GPIO_PIN(PA, 9) #define ARDUINO_PIN_3 GPIO_PIN(PA, 9)
#define ARDUINO_PIN_4 GPIO_PIN(PA, 8)
#define ARDUINO_PIN_5 GPIO_PIN(PA, 15) #define ARDUINO_PIN_5 GPIO_PIN(PA, 15)
#define ARDUINO_PIN_6 GPIO_PIN(PA, 20) #define ARDUINO_PIN_6 GPIO_PIN(PA, 20)
#define ARDUINO_PIN_7 GPIO_PIN(PA, 21) #define ARDUINO_PIN_7 GPIO_PIN(PA, 21)

5
boards/wemos-zero/doc.txt
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@ -6,13 +6,14 @@
## Overview ## Overview
The WeMos Zero is a cheap clone of Arduino Zero featuring a ATSAMD21G18A. The WeMos Zero is a cheap clone of Arduino Zero featuring a ATSAMD21G18A.
These boards either have a silkscreen "WeMos" or "HW-910" label on their back.
Unlike the original Zero, it does not include an embedded debugger/programmer. Unlike the original Zero, it does not include an embedded debugger/programmer.
Instead, the [UF2 Bootloader](https://github.com/microsoft/uf2-samdx1) is Instead, the [UF2 Bootloader](https://github.com/microsoft/uf2-samdx1) is
used to program this board. The SAMD21 is a ARM Cortex-M0+ micro-controller. used to program this board. The SAMD21 is a ARM Cortex-M0+ micro-controller.
It has 256KiB of flash memory and 32KiB of RAM. It has 256KiB of flash memory and 32KiB of RAM.
Note: The official Arduino Zero using the native USB port and the Adafruit @note The official Arduino Zero using the native USB port and the Adafruit
Metro M0 Express should also work with board definition. Metro M0 Express should also work with this board definition.
## Hardware ## Hardware