44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
#define USB_REPL
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#define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express"
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#define MICROPY_HW_MCU_NAME "samd21g18"
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// Don't allow touch on A0 (PA02), because it's connected to the speaker.
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#define PA02_NO_TOUCH (true)
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// Salae reads 12mhz which is the limit even though we set it to the safer 8mhz.
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#define SPI_FLASH_BAUDRATE (8000000)
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// On-board flash
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#define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_E
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// Use default pinmux for the chip select since we manage it ourselves.
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#define SPI_FLASH_PAD0_PINMUX PINMUX_PA16D_SERCOM3_PAD0 // MISO
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#define SPI_FLASH_PAD1_PINMUX PINMUX_UNUSED // CS
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#define SPI_FLASH_PAD2_PINMUX PINMUX_PA20D_SERCOM3_PAD2 // MOSI
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#define SPI_FLASH_PAD3_PINMUX PINMUX_PA21D_SERCOM3_PAD3 // SCK
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#define SPI_FLASH_CS PIN_PB22
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#define SPI_FLASH_SERCOM SERCOM3
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// PA24 and PA25 are USB.
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#define MICROPY_PORT_A (PORT_PA16 | PORT_PA20 | PORT_PA21 | PORT_PA24 | PORT_PA25)
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#define MICROPY_PORT_B (PORT_PB22)
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#define SPEAKER_ENABLE_PIN (&pin_PA30)
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#include "spi_flash.h"
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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 256
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#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#include "flash_S25FL216K.h"
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#include "flash_GD25Q16C.h"
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#define CALIBRATE_CRYSTALLESS 1
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// Explanation of how a user got into safe mode.
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#define BOARD_USER_SAFE_MODE "pressing both buttons at start up"
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