35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/* Adafruit Feather M0 Express with an 8MB SPI flash instead of the usual 2MB */
|
|
|
|
#define USB_REPL
|
|
|
|
#define MICROPY_HW_BOARD_NAME "Hacked Feather M0 Express with 8Mbyte SPI flash"
|
|
#define MICROPY_HW_MCU_NAME "samd21g18"
|
|
|
|
#define MICROPY_HW_NEOPIXEL (&pin_PA06)
|
|
|
|
// Salae reads 12mhz which is the limit even though we set it to the safer 8mhz.
|
|
#define SPI_FLASH_BAUDRATE (8000000)
|
|
|
|
#define SPI_FLASH_MUX_SETTING SPI_SIGNAL_MUX_SETTING_C
|
|
#define SPI_FLASH_PAD0_PINMUX PINMUX_PA08D_SERCOM2_PAD0 // MOSI
|
|
// Use default pinmux for the chip select since we manage it ourselves.
|
|
#define SPI_FLASH_PAD1_PINMUX PINMUX_PA09D_SERCOM2_PAD1 // SCK
|
|
#define SPI_FLASH_PAD2_PINMUX PINMUX_PA14C_SERCOM2_PAD2 // MISO
|
|
#define SPI_FLASH_PAD3_PINMUX PINMUX_UNUSED // SCK
|
|
#define SPI_FLASH_SERCOM SERCOM2
|
|
|
|
#define SPI_FLASH_CS PIN_PA13
|
|
|
|
#define MICROPY_PORT_A (PORT_PA06 | PORT_PA08 | PORT_PA09 | PORT_PA14 | PORT_PA13 | PORT_PA14 | PORT_PA24 | PORT_PA25)
|
|
#define MICROPY_PORT_B ( 0 )
|
|
|
|
#include "spi_flash.h"
|
|
|
|
// 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)
|
|
|
|
#include "flash_S25FL064L.h"
|