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stm32/boards/NUCLEO_L073RZ: Add definition files for new board.
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‎ports/stm32/boards/NUCLEO_L073RZ/mpconfigboard.h

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/* This file is part of the MicroPython project, http://micropython.org/
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* MIT License; Copyright (c) 2019 Damien P. George
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*/
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#define MICROPY_HW_BOARD_NAME "NUCLEO-L073RZ"
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#define MICROPY_HW_MCU_NAME "STM32F073RZT6"
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#define MICROPY_EMIT_THUMB (0)
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#define MICROPY_EMIT_INLINE_THUMB (0)
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#define MICROPY_PY_BUILTINS_COMPLEX (0)
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#define MICROPY_PY_MATH (0)
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#define MICROPY_PY_FRAMEBUF (0)
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#define MICROPY_PY_USOCKET (0)
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#define MICROPY_PY_NETWORK (0)
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#define MICROPY_PY_STM (0)
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#define MICROPY_PY_PYB_LEGACY (0)
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#define MICROPY_VFS_FAT (0)
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#define MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE (0)
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#define MICROPY_HW_ENABLE_RTC (1)
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#define MICROPY_HW_ENABLE_ADC (0)
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#define MICROPY_HW_HAS_SWITCH (1)
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// UART config
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#define MICROPY_HW_UART1_TX (pin_B6)
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#define MICROPY_HW_UART1_RX (pin_B7)
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#define MICROPY_HW_UART2_TX (pin_A2)
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#define MICROPY_HW_UART2_RX (pin_A3)
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// USART2 is connected to the ST-LINK USB VCP
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#define MICROPY_HW_UART_REPL PYB_UART_2
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#define MICROPY_HW_UART_REPL_BAUD 115200
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// I2C busses
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#define MICROPY_HW_I2C1_SCL (pin_B8) // Arduino D15, pin 3 on CN10
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#define MICROPY_HW_I2C1_SDA (pin_B9) // Arduino D14, pin 5 on CN10
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// SPI busses
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#define MICROPY_HW_SPI1_NSS (pin_A15) // pin 17 on CN7
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#define MICROPY_HW_SPI1_SCK (pin_A5) // Arduino D13, pin 11 on CN10
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#define MICROPY_HW_SPI1_MISO (pin_A6) // Arduino D12, pin 13 on CN10
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#define MICROPY_HW_SPI1_MOSI (pin_A7) // Arduino D11, pin 15 on CN10
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// USER B1 has a pull-up and is active low
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#define MICROPY_HW_USRSW_PIN (pin_C13)
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#define MICROPY_HW_USRSW_PULL (0)
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#define MICROPY_HW_USRSW_EXTI_MODE (GPIO_MODE_IT_FALLING)
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#define MICROPY_HW_USRSW_PRESSED (0)
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// NUCLEO-64 has one user LED
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#define MICROPY_HW_LED1 (pin_A5) // green
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#define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin))
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#define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))

‎ports/stm32/boards/NUCLEO_L073RZ/mpconfigboard.mk

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MCU_SERIES = l0
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CMSIS_MCU = STM32L073xx
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AF_FILE = boards/stm32l072_af.csv
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LD_FILES = boards/stm32l072xz.ld boards/common_basic.ld
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# Don't include default frozen modules because MCU is tight on flash space
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FROZEN_MPY_DIR ?=

‎ports/stm32/boards/NUCLEO_L073RZ/pins.csv

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D0,PA3
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D1,PA2
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D2,PA10
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D3,PB3
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D4,PB5
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D5,PB4
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D6,PB10
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D7,PA8
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D8,PA9
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D9,PC7
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D10,PB6
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D11,PA7
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D12,PA6
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D13,PA5
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D14,PB9
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D15,PB8
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A0,PA0
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A1,PA1
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A2,PA4
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A3,PB0
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A4,PC1
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A5,PC0
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RX,PA3
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TX,PA2
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SCL,PB8
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SDA,PB9
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SCK,PA5
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MISO,PA6
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MOSI,PA7
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CS,PB6
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BOOT0,PF11
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SWDIO,PA13
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SWCLK,PA14
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USER_B1,PC13
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LED_GREEN,PA5
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PA0,PA0
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PA1,PA1
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PA2,PA2
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PA3,PA3
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PA4,PA4
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PA5,PA5
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PA6,PA6
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PA7,PA7
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PA8,PA8
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PA9,PA9
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PA10,PA10
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PA11,PA11
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PA12,PA12
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PA13,PA13
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PA14,PA14
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PA15,PA15
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PB0,PB0
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PB1,PB1
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PB2,PB2
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PB3,PB3
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PB4,PB4
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PB5,PB5
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PB6,PB6
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PB7,PB7
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PB8,PB8
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PB9,PB9
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PB10,PB10
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PB11,PB11
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PB12,PB12
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PB13,PB13
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PB14,PB14
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PB15,PB15
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PC0,PC0
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PC1,PC1
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PC2,PC2
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PC3,PC3
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PC4,PC4
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PC5,PC5
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PC6,PC6
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PC7,PC7
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PC8,PC8
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PC9,PC9
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PC10,PC10
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PC11,PC11
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PC12,PC12
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PC13,PC13
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PC14,PC14
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PC15,PC15
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PD2,PD2
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PF0,PF0
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PF1,PF1
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PF11,PF11

‎ports/stm32/boards/NUCLEO_L073RZ/stm32l0xx_hal_conf.h

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/* This file is part of the MicroPython project, http://micropython.org/
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* The MIT License (MIT)
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* Copyright (c) 2019 Damien P. George
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*/
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#ifndef MICROPY_INCLUDED_STM32L0XX_HAL_CONF_H
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#define MICROPY_INCLUDED_STM32L0XX_HAL_CONF_H
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#include "boards/stm32l0xx_hal_conf_base.h"
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// Oscillator values in Hz
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#define HSE_VALUE (8000000)
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#define LSE_VALUE (32768)
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// Oscillator timeouts in ms
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#define HSE_STARTUP_TIMEOUT (100)
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#define LSE_STARTUP_TIMEOUT (5000)
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#endif // MICROPY_INCLUDED_STM32L0XX_HAL_CONF_H

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