circuitpython/ports/atmel-samd/boards/robohatmm1_m0/mpconfigboard.h

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#define MICROPY_HW_BOARD_NAME "Robo HAT MM1"
#define MICROPY_HW_MCU_NAME "samd21g18"
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#define MICROPY_HW_LED_STATUS (&pin_PB22)
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// Salae reads 12mhz which is the limit even though we set it to the safer 8mhz.
#define SPI_FLASH_BAUDRATE (8000000)
// On-board flash
#define SPI_FLASH_MOSI_PIN &pin_PA12
#define SPI_FLASH_MISO_PIN &pin_PA14
#define SPI_FLASH_SCK_PIN &pin_PA13
#define SPI_FLASH_CS_PIN &pin_PA15
// These are pins not to reset.
#define MICROPY_PORT_A ( 0 ) //PORT_PA06
#define MICROPY_PORT_B ( 0 )
#define MICROPY_PORT_C ( 0 )
// If you change this, then make sure to update the linker scripts as well to
// make sure you don't overwrite code.
#define CIRCUITPY_INTERNAL_NVM_SIZE 256
#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
#define CALIBRATE_CRYSTALLESS 1
#define DEFAULT_I2C_BUS_SCL (&pin_PA23)
#define DEFAULT_I2C_BUS_SDA (&pin_PA22)
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#define DEFAULT_SPI_BUS_SCK (&pin_PB10)
#define DEFAULT_SPI_BUS_MOSI (&pin_PB08)
#define DEFAULT_SPI_BUS_MISO (&pin_PB11)
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#define DEFAULT_UART_BUS_RX (&pin_PB03)
#define DEFAULT_UART_BUS_TX (&pin_PB02)
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// USB is always used internally so skip the pin objects for it.
#define IGNORE_PIN_PA24 1
#define IGNORE_PIN_PA25 1