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samd/boards/SEEED_XIAO: Add new board definition.

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Peter van der Burg 2021-05-20 17:52:53 +10:00 committed by Damien George
parent ef4e63aabc
commit b991902983
5 changed files with 145 additions and 0 deletions
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15
ports/samd/boards/SEEED_XIAO/board.json Normal file
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{
"deploy": [
"../deploy.md"
],
"docs": "",
"features": [
"USB-C"
],
"images": ["seeeduino-xiao.jpg"],
"mcu": "samd21",
"product": "Seeeduino XIAO",
"thumbnail": "",
"url": "https://www.seeedstudio.com/Seeeduino-XIAO-Arduino-Microcontroller-SAMD21-Cortex-M0+-p-4426.html",
"vendor": "Seeed Studio"
}

27
ports/samd/boards/SEEED_XIAO/mpconfigboard.h Normal file
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#define MICROPY_HW_BOARD_NAME "Seeed Xiao"
#define MICROPY_HW_MCU_NAME "SAMD21G18A"
// MicroPython configs
// samd_flash.c flash parameters
// Build a 64k Flash storage at top. 256k-64k=196k
// 256*1024=262144 minus 64*1024=65536 = 196608 = 0x30000
#define MICROPY_HW_FLASH_STORAGE_BASE (0x30000)
#define MICROPY_HW_FLASH_STORAGE_BYTES (0xFFFF)
#define VFS_BLOCK_SIZE_BYTES (1536) // 24x 64B flash pages;
// ASF4 MCU package specific Pin definitions
#include "samd21g18a.h"
// Please consult the SAM_D21 Datasheet, I/O Multiplexing and Considerations.
// XIAO_M0 USART pin assignments: Tx=A6=PB8=SERCOM4/PAD[0], Rx=PB9=A7=SERCOM4/PAD[1]
#define CPU_FREQ (48000000) // For selecting Baud from clock.
#define MP_PIN_GRP 1 // A=0, B=1
#define MP_TX_PIN 8 // 'n'
#define MP_RX_PIN 9
#define MP_PERIPHERAL_MUX 4 // 'n'th group of 2 pins
#define USARTx SERCOM4 // SERCOM4:XIAO_M0 tx/rx
#define MP_PORT_FUNC 0x33 // Sets PMUXE & PMUXO to the Alternative Function.A-H=0-7
#define MP_RXPO_PAD 1 // RXPO- Receive Data Pinout
#define MP_TXPO_PAD 0 // TXPO- Tranmit Data Pinout
#define MP_SERCOMx SERCOM4_ // APBCMASK
#define MP_SERCOM_GCLK_ID_x_CORE GCLK_CLKCTRL_ID_SERCOM4_CORE // Generic Clock Control

9
ports/samd/boards/SEEED_XIAO/mpconfigboard.mk Normal file
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MCU_SERIES = SAMD21
CMSIS_MCU = SAMD21G18A
LD_FILES = boards/samd21x18a.ld sections.ld
TEXT0 = 0x2000
# The ?='s allow overriding in mpconfigboard.mk.
# MicroPython settings
MICROPY_VFS_LFS1 ?= 1

52
ports/samd/boards/SEEED_XIAO/pins.c Normal file
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Peter van der Burg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Used by machine_pin.c. Holds Board/MCU specific Pin allocations.
*/
#include "modmachine.h"
#include "pins.h"
// Ensure Declaration in 'pins.h' reflects # of Pins defined here.
const machine_pin_obj_t machine_pin_obj[] = {
{{&machine_pin_type}, PIN_PA02}, // A0/D0
{{&machine_pin_type}, PIN_PA04}, // A1/D1
{{&machine_pin_type}, PIN_PA10}, // A2/D2
{{&machine_pin_type}, PIN_PA11}, // A3/D3
{{&machine_pin_type}, PIN_PA08}, // A4/D4
{{&machine_pin_type}, PIN_PA09}, // A5/D5
{{&machine_pin_type}, PIN_PB08}, // A6/D6
{{&machine_pin_type}, PIN_PB09}, // A7/D7
{{&machine_pin_type}, PIN_PA07}, // A8/D8
{{&machine_pin_type}, PIN_PA05}, // A9/D9
{{&machine_pin_type}, PIN_PA06}, // A10/D10
};
const machine_led_obj_t machine_led_obj[] = {
// XIAO: Just the available LED Pins: User LED (PA17), Rx & Tx.
{{&machine_led_type}, PIN_PA17}, // W13
{{&machine_led_type}, PIN_PA18}, // RX_LED
{{&machine_led_type}, PIN_PA19}, // TX_LED
};

42
ports/samd/boards/SEEED_XIAO/pins.h Normal file
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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Peter van der Burg
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Used by machine_pin.c & board specific pins.c. Holds Board/MCU specific Pin
* allocations.
*/
typedef struct _machine_pin_obj_t {
mp_obj_base_t base;
uint32_t id;
} machine_pin_obj_t;
typedef struct _machine_led_obj_t {
mp_obj_base_t base;
uint32_t id;
} machine_led_obj_t;
// MUST explicitly hold array # of rows, else machine_pin.c wont compile.
extern const machine_pin_obj_t machine_pin_obj[11];
extern const machine_led_obj_t machine_led_obj[3];