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dpgeorgedpgeorge
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stmhal: Add support for Espruino Pico board.
To build: make BOARD=ESPRUINO_PICO To deploy: short the BOOT0/BTN contact on the back of the board (eg by drawing over it with a graphite pencil), then hold down BTN while inserting the board into the USB port. The board should then enter DFU mode, and the firmware can be downloaded using: make BOARD=ESPRUINO_PICO deploy
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‎stmhal/.gitignore‎

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build-PYBV3/
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build-PYBV4/
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build-PYBV10/
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build-STM32F4DISC/
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build-NETDUINO_PLUS_2/
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build-*/

‎stmhal/boards/ESPRUINO_PICO/mpconfigboard.h‎

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#define MICROPY_HW_BOARD_NAME "Espruino Pico"
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#define MICROPY_HW_MCU_NAME "STM32F401CD"
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#define MICROPY_PY_SYS_PLATFORM "pyboard"
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#define MICROPY_HW_HAS_SWITCH (1)
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#define MICROPY_HW_HAS_SDCARD (0)
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#define MICROPY_HW_HAS_MMA7660 (0)
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#define MICROPY_HW_HAS_LIS3DSH (0)
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#define MICROPY_HW_HAS_LCD (0)
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#define MICROPY_HW_ENABLE_RNG (0)
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#define MICROPY_HW_ENABLE_RTC (1)
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#define MICROPY_HW_ENABLE_TIMER (1)
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#define MICROPY_HW_ENABLE_SERVO (1)
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#define MICROPY_HW_ENABLE_DAC (0)
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#define MICROPY_HW_ENABLE_SPI1 (1)
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#define MICROPY_HW_ENABLE_SPI2 (1)
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#define MICROPY_HW_ENABLE_SPI3 (0)
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#define MICROPY_HW_ENABLE_CAN (0)
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// Pico has an 8 MHz HSE and the F401 does 84 MHz max
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#define MICROPY_HW_CLK_PLLM (5)
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#define MICROPY_HW_CLK_PLLN (210)
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#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV4)
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#define MICROPY_HW_CLK_PLLQ (7)
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// does not have a 32kHz crystal
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#define MICROPY_HW_RTC_USE_LSE (0)
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// I2C busses
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#define MICROPY_HW_I2C1_SCL (pin_B6)
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#define MICROPY_HW_I2C1_SDA (pin_B7)
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#define MICROPY_HW_I2C2_SCL (pin_B10)
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#define MICROPY_HW_I2C2_SDA (pin_B3)
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#define MICROPY_HW_I2C3_SCL (pin_A8)
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#define MICROPY_HW_I2C3_SDA (pin_B4)
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// BTN1 has no pullup or pulldown; it is active high and broken out on a header
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#define MICROPY_HW_USRSW_PIN (pin_C13)
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#define MICROPY_HW_USRSW_PULL (GPIO_PULLDOWN)
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#define MICROPY_HW_USRSW_EXTI_MODE (GPIO_MODE_IT_RISING)
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#define MICROPY_HW_USRSW_PRESSED (1)
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// Pico has 2 LEDs
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#define MICROPY_HW_LED1 (pin_B2) // red
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#define MICROPY_HW_LED2 (pin_B12) // green
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#define MICROPY_HW_LED3 (pin_B12) // green
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#define MICROPY_HW_LED4 (pin_B12) // green
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#define MICROPY_HW_LED_OTYPE (GPIO_MODE_OUTPUT_PP)
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#define MICROPY_HW_LED_ON(pin) (pin->gpio->BSRRL = pin->pin_mask)
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#define MICROPY_HW_LED_OFF(pin) (pin->gpio->BSRRH = pin->pin_mask)

‎stmhal/boards/ESPRUINO_PICO/mpconfigboard.mk‎

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AF_FILE = boards/stm32f401_af.csv
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LD_FILE = boards/stm32f401.ld

‎stmhal/boards/ESPRUINO_PICO/pins.csv‎

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B3,PB3
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B4,PB4
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B5,PB5
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B6,PB6
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B7,PB7
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A8,PA8
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B8,PB8
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B9,PB9
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A10,PA10
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A0,PA0
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A1,PA1
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A2,PA2
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A3,PA3
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A4,PA4
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A5,PA5
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A6,PA6
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A7,PA7
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B1,PB1
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B10,PB10
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B13,PB13
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B14,PB14
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B15,PB15
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B0,PB0
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SW,PC13
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LED_RED,PB2
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LED_GREEN,PB12
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USB_VBUS,PA9
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USB_DM,PA11
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USB_DP,PA12
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OSC32_IN,PC14
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OSC32_OUT,PC15
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NC1,PA13
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NC2,PA14
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NC3,PA15

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