32c616b5dd
It has a ton of pins in a Mega form-factor This also includes a change to init the stack earlier. It fixes a crash that occurs if the flash doesn't start correctly and the original spot isn't reached.
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
#define MICROPY_HW_BOARD_NAME "Adafruit Grand Central M4 Express"
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#define MICROPY_HW_MCU_NAME "samd51p20"
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#define CIRCUITPY_MCU_FAMILY samd51
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// This is for Rev A which is green
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#define MICROPY_HW_LED_TX PIN_PC30
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#define MICROPY_HW_LED_RX PIN_PC31
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#define MICROPY_HW_NEOPIXEL (&pin_PC24)
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// These are pins not to reset.
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// QSPI Data pins
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#define MICROPY_PORT_A ( PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11 )
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// QSPI CS, and QSPI SCK
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#define MICROPY_PORT_B ( PORT_PB10 | PORT_PB11 )
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// NeoPixel pin, RX LED, TX LED
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#define MICROPY_PORT_C ( PORT_PC24 | PORT_PC30 | PORT_PC31 )
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#define MICROPY_PORT_D (0)
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#define AUTORESET_DELAY_MS 500
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// If you change this, then make sure to update the linker scripts as well to
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// make sure you don't overwrite code
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#define CIRCUITPY_INTERNAL_NVM_SIZE 8192
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#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#include "external_flash/devices.h"
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#define EXTERNAL_FLASH_DEVICE_COUNT 1
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#define EXTERNAL_FLASH_DEVICES GD25Q64C
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#include "external_flash/external_flash.h"
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#define BOARD_HAS_CRYSTAL 1
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#define DEFAULT_I2C_BUS_SCL (&pin_PB21)
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#define DEFAULT_I2C_BUS_SDA (&pin_PB20)
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#define DEFAULT_SPI_BUS_SCK (&pin_PD09)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PD08)
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#define DEFAULT_SPI_BUS_MISO (&pin_PD11)
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#define DEFAULT_UART_BUS_RX (&pin_PB25)
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#define DEFAULT_UART_BUS_TX (&pin_PB24)
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// USB is always used internally so skip the pin objects for it.
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#define IGNORE_PIN_PA24 1
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#define IGNORE_PIN_PA25 1
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#define CIRCUITPY_I2CSLAVE
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