diff options
4 files changed, 130 insertions, 0 deletions
diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h index cec9e9ccd..ba384645d 100644 --- a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h +++ b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.h @@ -1,2 +1,28 @@ #define MICROPY_HW_BOARD_NAME "Feather M0 Express" #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. +// On this board (see https://learn.adafruit.com/assets/40553) TX is D1 (PA10) and RX is D0 (PA11) +// USART pin assignments: Tx=PA10=SERCOM0/PAD[2], Rx=PA11==SERCOM0/PAD[3] +#define CPU_FREQ (48000000) // For selecting Baud from clock. +#define MP_PIN_GRP 0 // A=0, B=1 +#define MP_TX_PIN 10 //'n' +#define MP_RX_PIN 11 +#define MP_PERIPHERAL_MUX 5 // 'n'th group of 2 pins +#define USARTx SERCOM0 // SERCOM0: tx/rx +#define MP_PORT_FUNC 0x22 // Sets PMUXE & PMUXO to the Alternative Function.(A-H=0-7) +#define MP_RXPO_PAD 3 // RXPO- Receive Data Pinout +#define MP_TXPO_PAD 1 // TXPO- Transmit Data Pinout +#define MP_SERCOMx SERCOM0_ // APBCMASK +#define MP_SERCOM_GCLK_ID_x_CORE GCLK_CLKCTRL_ID_SERCOM0_CORE // Generic Clock Control diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.mk b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.mk index 8696c966b..a760cf047 100644 --- a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.mk +++ b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/mpconfigboard.mk @@ -2,3 +2,7 @@ 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 diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.c b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.c new file mode 100644 index 000000000..e0dd752ec --- /dev/null +++ b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.c @@ -0,0 +1,58 @@ +/* + * 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_PA11}, // D0 + {{&machine_pin_type}, PIN_PA10}, // D1 + {{&machine_pin_type}, PIN_PA14}, // D2 + {{&machine_pin_type}, PIN_PA09}, // D3/ + {{&machine_pin_type}, PIN_PA08}, // D4/ + {{&machine_pin_type}, PIN_PA15}, // D5 + {{&machine_pin_type}, PIN_PA20}, // D6 + {{&machine_pin_type}, PIN_PA21}, // D7 + {{&machine_pin_type}, PIN_PA06}, // D8/ + {{&machine_pin_type}, PIN_PA07}, // D9/ + {{&machine_pin_type}, PIN_PA18}, // D10 + {{&machine_pin_type}, PIN_PA16}, // D11 + {{&machine_pin_type}, PIN_PA19}, // D12 + {{&machine_pin_type}, PIN_PA17}, // D13/ + {{&machine_pin_type}, PIN_PA02}, // A0 + {{&machine_pin_type}, PIN_PB08}, // A1 + {{&machine_pin_type}, PIN_PB09}, // A2 + {{&machine_pin_type}, PIN_PA04}, // A3/ + {{&machine_pin_type}, PIN_PA05}, // A4/ + {{&machine_pin_type}, PIN_PB02}, // A5 +}; + +const machine_led_obj_t machine_led_obj[] = { + {{&machine_led_type}, PIN_PA17}, // D13/ user LED +}; diff --git a/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.h b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.h new file mode 100644 index 000000000..45bee6167 --- /dev/null +++ b/ports/samd/boards/ADAFRUIT_FEATHER_M0_EXPRESS/pins.h @@ -0,0 +1,42 @@ +/* + * 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[20]; +extern const machine_led_obj_t machine_led_obj[1]; |