c066e4da8b
This is a board definition for the uGame project: https://hackaday.io/project/27629-game uGame is a small handheld game console programmable with CircuitPython. The hardware part of the project is pretty much stable by now.
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
#define USB_REPL
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#define MICROPY_HW_BOARD_NAME "uGame"
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#define MICROPY_HW_MCU_NAME "samd21e18"
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#if 1
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// Salae reads 12mhz which is the limit even though we set it to the
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// safer 8mhz.
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#define SPI_FLASH_BAUDRATE (8000000)
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#define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_D
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#define SPI_FLASH_PAD0_PINMUX PINMUX_PA16D_SERCOM3_PAD0 // MOSI
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#define SPI_FLASH_PAD1_PINMUX PINMUX_PA17D_SERCOM3_PAD1 // SCK
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#define SPI_FLASH_PAD2_PINMUX PINMUX_UNUSED // Use default pinmux for the chip
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// select since we manage it
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// ourselves.
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#define SPI_FLASH_PAD3_PINMUX PINMUX_PA19D_SERCOM3_PAD3 // MISO
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#define SPI_FLASH_SERCOM SERCOM3
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#define SPI_FLASH_CS PIN_PA11
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#define MICROPY_PORT_A (PORT_PA11 | PORT_PA16 |\
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PORT_PA17 | PORT_PA18 | PORT_PA19 | PORT_PA24 |\
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PORT_PA25)
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#define MICROPY_PORT_B (0)
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#define CALIBRATE_CRYSTALLESS 1
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#include "spi_flash.h"
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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_W25Q32BV.h"
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#include "flash_S25FL216K.h"
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#else
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#define MICROPY_PORT_A (PORT_PA24 | PORT_PA25)
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#define MICROPY_PORT_B (0)
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#include "internal_flash.h"
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#define CIRCUITPY_INTERNAL_NVM_SIZE 0
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#define BOARD_FLASH_SIZE (0x00040000 - 0x2000 - 0x010000)
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#endif
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