text: /*
   * This file is part of the MicroPython project, http://micropython.org/
   *
   * The MIT License (MIT)
   *
   * Copyright (c) 2019 Lucian Copeland for Adafruit Industries
   *
   * 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.
   */
  
  #include "py/obj.h"
  #include "py/mphal.h"
  #include "peripherals/pins.h"
  #include "peripherals/periph.h"
  
  // I2C
  
  I2C_TypeDef *mcu_i2c_banks[I2C_BANK_ARRAY_LEN] = {I2C1, I2C2, I2C3};
  
  const mcu_periph_obj_t mcu_i2c_sda_list[I2C_SDA_ARRAY_LEN] = {
      PERIPH(1, 4, &pin_PB07),
      PERIPH(1, 4, &pin_PB09),
      PERIPH(2, 9, &pin_PB03),
      PERIPH(2, 9, &pin_PB09),
      PERIPH(3, 9, &pin_PB04),
      PERIPH(3, 9, &pin_PB08)
  };
  
  const mcu_periph_obj_t mcu_i2c_scl_list[I2C_SCL_ARRAY_LEN] = {
      PERIPH(1, 4, &pin_PB06),
      PERIPH(1, 4, &pin_PB08),
      PERIPH(2, 4, &pin_PB10),
      PERIPH(3, 4, &pin_PA08)
  };
  
  // SPI
  
  SPI_TypeDef *mcu_spi_banks[SPI_BANK_ARRAY_LEN] = {SPI1, SPI2, SPI3, SPI4, SPI5};
  
  const mcu_periph_obj_t mcu_spi_sck_list[SPI_SCK_ARRAY_LEN] = {
      PERIPH(1, 5, &pin_PA05),
      PERIPH(1, 5, &pin_PB03),
      PERIPH(2, 5, &pin_PB10),
      PERIPH(2, 5, &pin_PB13),
      PERIPH(3, 6, &pin_PB03),
      PERIPH(3, 7, &pin_PB12),
      PERIPH(4, 6, &pin_PB13),
      PERIPH(5, 6, &pin_PB00)
  };
  
  const mcu_periph_obj_t mcu_spi_mosi_list[SPI_MOSI_ARRAY_LEN] = {
      PERIPH(1, 5, &pin_PA07),
      PERIPH(1, 5, &pin_PB05),
      PERIPH(2, 5, &pin_PB15),
      PERIPH(3, 6, &pin_PB05),
      PERIPH(4, 5, &pin_PA01),
      PERIPH(5, 6, &pin_PA10),
      PERIPH(5, 6, &pin_PB08)
  };
  
  const mcu_periph_obj_t mcu_spi_miso_list[SPI_MISO_ARRAY_LEN] = {
      PERIPH(1, 5, &pin_PA06),
      PERIPH(1, 5, &pin_PB04),
      PERIPH(2, 5, &pin_PB14),
      PERIPH(3, 6, &pin_PB04),
      PERIPH(4, 6, &pin_PA11),
      PERIPH(5, 6, &pin_PA12)
  };
  
  const mcu_periph_obj_t mcu_spi_nss_list[SPI_NSS_ARRAY_LEN] = {
      PERIPH(1, 5, &pin_PA04),
      PERIPH(1, 5, &pin_PA15),
      PERIPH(2, 5, &pin_PB09),
      PERIPH(2, 5, &pin_PB12),
      PERIPH(3, 6, &pin_PA04),
      PERIPH(3, 6, &pin_PA15),
      PERIPH(4, 6, &pin_PB12),
      PERIPH(5, 6, &pin_PB01)
  };
  
  // UART
  
  USART_TypeDef *mcu_uart_banks[MAX_UART] = {USART1, USART2, USART3, NULL, NULL, USART6};
  bool mcu_uart_has_usart[MAX_UART] = {true, true, true, false, false, true};
  
  const mcu_periph_obj_t mcu_uart_tx_list[UART_TX_ARRAY_LEN] = {
      PERIPH(1, 7, &pin_PA09),
      PERIPH(1, 7, &pin_PA15),
      PERIPH(1, 7, &pin_PB06),
      PERIPH(2, 7, &pin_PA02),
      PERIPH(3, 7, &pin_PB10),
      PERIPH(6, 8, &pin_PA11)
  };
  
  const mcu_periph_obj_t mcu_uart_rx_list[UART_RX_ARRAY_LEN] = {
      PERIPH(1, 7, &pin_PA10),
      PERIPH(1, 7, &pin_PB03),
      PERIPH(1, 7, &pin_PB07),
      PERIPH(2, 7, &pin_PA03),
      PERIPH(6, 8, &pin_PA12)
  };
  
  // Timers
  // TIM6 and TIM7 are basic timers that are only used by DAC, and don't have pins
  TIM_TypeDef *mcu_tim_banks[TIM_BANK_ARRAY_LEN] = {TIM1, TIM2, TIM3, TIM4, TIM5, NULL, NULL, TIM8, TIM9, TIM10,
                                                    TIM11, TIM12, TIM13, TIM14};
  
  // TIM8
  const mcu_tim_pin_obj_t mcu_tim_pin_list[TIM_PIN_ARRAY_LEN] = {
      TIM(1, 1, 1, &pin_PA08),
      TIM(1, 1, 2, &pin_PA09),
      TIM(1, 1, 3, &pin_PA10),
      TIM(1, 1, 4, &pin_PA11),
      TIM(2, 1, 1, &pin_PA00),
      TIM(2, 1, 1, &pin_PA05),
      TIM(2, 1, 1, &pin_PA15),
      TIM(2, 1, 2, &pin_PA01),
      TIM(2, 1, 2, &pin_PB03),
      TIM(2, 1, 3, &pin_PA02),
      TIM(2, 1, 3, &pin_PB10),
      TIM(2, 1, 4, &pin_PA03),
      TIM(3, 2, 1, &pin_PA06),
      TIM(3, 2, 1, &pin_PB04),
      TIM(3, 2, 2, &pin_PA07),
      TIM(3, 2, 2, &pin_PB05),
      TIM(3, 2, 3, &pin_PB00),
      TIM(3, 2, 4, &pin_PB01),
      TIM(4, 2, 1, &pin_PB06),
      TIM(4, 2, 2, &pin_PB07),
      TIM(4, 2, 3, &pin_PB08),
      TIM(4, 2, 4, &pin_PB09),
      TIM(5, 2, 1, &pin_PA00),
      TIM(5, 2, 2, &pin_PA01),
      TIM(5, 2, 3, &pin_PA02),
      TIM(5, 2, 4, &pin_PA03),
      TIM(9, 3, 1, &pin_PA02),
      TIM(9, 3, 2, &pin_PA03),
      TIM(10, 3, 1, &pin_PB08),
      TIM(11, 3, 1, &pin_PB09),
      TIM(12, 9, 1, &pin_PB14),
      TIM(12, 9, 2, &pin_PB15),
      TIM(13, 9, 1, &pin_PA06),
      TIM(14, 9, 1, &pin_PA07)
  };
  