#define MICROPY_HW_BOARD_NAME "Adafruit Itsy Bitsy M0 Express" #define MICROPY_HW_MCU_NAME "samd21g18" #define CIRCUITPY_BITBANG_APA102 #define MICROPY_HW_APA102_MOSI (&pin_PA01) #define MICROPY_HW_APA102_SCK (&pin_PA00) // Saleae reads 12mhz which is the limit even though we set it to the safer 8mhz. #define SPI_FLASH_BAUDRATE (8000000) #define SPI_FLASH_MOSI_PIN PIN_PB22 #define SPI_FLASH_MISO_PIN PIN_PB03 #define SPI_FLASH_SCK_PIN PIN_PB23 #define SPI_FLASH_CS_PIN PIN_PA27 #define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PB22D_SERCOM5_PAD2 #define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PB03D_SERCOM5_PAD1 #define SPI_FLASH_SCK_PIN_FUNCTION PINMUX_PB23D_SERCOM5_PAD3 #define SPI_FLASH_SERCOM SERCOM5 #define SPI_FLASH_SERCOM_INDEX 5 #define SPI_FLASH_MOSI_PAD 2 #define SPI_FLASH_MISO_PAD 1 #define SPI_FLASH_SCK_PAD 3 // Transmit Data Pinout // <0x0=>PAD[0,1]_DO_SCK // <0x1=>PAD[2,3]_DO_SCK // <0x2=>PAD[3,1]_DO_SCK // <0x3=>PAD[0,3]_DO_SCK #define SPI_FLASH_DOPO 1 #define SPI_FLASH_DIPO 1 // same as MISO pad // These are pins not to reset. #define MICROPY_PORT_A (PORT_PA00 | PORT_PA01 | PORT_PA27 | PORT_PA24 | PORT_PA25) #define MICROPY_PORT_B (PORT_PB22 | PORT_PB23 | PORT_PB03 ) #define MICROPY_PORT_C (0) // 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 "external_flash/devices.h" #define EXTERNAL_FLASH_DEVICE_COUNT 2 #define EXTERNAL_FLASH_DEVICES W25Q16FW, \ GD25Q16C #include "external_flash/external_flash.h" #define DEFAULT_I2C_BUS_SCL (&pin_PA23) #define DEFAULT_I2C_BUS_SDA (&pin_PA22) #define DEFAULT_SPI_BUS_SCK (&pin_PB11) #define DEFAULT_SPI_BUS_MOSI (&pin_PB10) #define DEFAULT_SPI_BUS_MISO (&pin_PA12) #define DEFAULT_UART_BUS_RX (&pin_PA11) #define DEFAULT_UART_BUS_TX (&pin_PA10)