266be30777
* atmel-samd: Introduce a nvm module for non-volatile byte-level memory access. This allows for persisting small configuration values even when the file system is read-only from CircuitPython. Fixes #160 * Review feedback: * Add tests. * Fix non-zero index. * Fix len()
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
#define USB_REPL
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#define MICROPY_HW_BOARD_NAME "Adafruit Metro M0 Express"
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#define MICROPY_HW_MCU_NAME "samd21g18"
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#define MICROPY_HW_LED_TX PIN_PA27
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#define MICROPY_HW_LED_RX PIN_PA31
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#define MICROPY_HW_NEOPIXEL (&pin_PA30)
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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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#define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_F
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#define SPI_FLASH_PAD0_PINMUX PINMUX_UNUSED // CS
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// Use default pinmux for the chip select since we manage it ourselves.
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#define SPI_FLASH_PAD1_PINMUX PINMUX_PB03D_SERCOM5_PAD1 // MISO
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#define SPI_FLASH_PAD2_PINMUX PINMUX_PB22D_SERCOM5_PAD2 // MOSI
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#define SPI_FLASH_PAD3_PINMUX PINMUX_PB23D_SERCOM5_PAD3 // SCK
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#define SPI_FLASH_CS PIN_PA13
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#define SPI_FLASH_SERCOM SERCOM5
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#define MICROPY_PORT_A (PORT_PA13 |PORT_PA24 | PORT_PA25 | PORT_PA27 | PORT_PA30 | PORT_PA31)
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#define MICROPY_PORT_B (PORT_PB03 | PORT_PB22 | PORT_PB23)
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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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