#define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express" #define MICROPY_HW_MCU_NAME "samd21g18" // Don't allow touch on A0 (PA02), because it's connected to the speaker. #define PA02_NO_TOUCH (true) // Salae reads 12mhz which is the limit even though we set it to the safer 8mhz. #define SPI_FLASH_BAUDRATE (8000000) // On-board flash #define SPI_FLASH_MOSI_PIN PIN_PA20 #define SPI_FLASH_MISO_PIN PIN_PA16 #define SPI_FLASH_SCK_PIN PIN_PA21 #define SPI_FLASH_CS_PIN PIN_PB22 #define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PA20D_SERCOM3_PAD2 #define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PA16D_SERCOM3_PAD0 #define SPI_FLASH_SCK_PIN_FUNCTION PINMUX_PA21D_SERCOM3_PAD3 #define SPI_FLASH_SERCOM SERCOM3 #define SPI_FLASH_SERCOM_INDEX 3 #define SPI_FLASH_MOSI_PAD 2 #define SPI_FLASH_MISO_PAD 0 #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 0 // same as MISO PAD // These are pins not to reset. // PA24 and PA25 are USB. #define MICROPY_PORT_A (PORT_PA16 | PORT_PA20 | PORT_PA21 | PORT_PA24 | PORT_PA25) #define MICROPY_PORT_B (PORT_PB22) #define MICROPY_PORT_C (0) #define SPEAKER_ENABLE_PIN (&pin_PA30) #include "external_flash/devices.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 "external_flash/devices.h" #define EXTERNAL_FLASH_DEVICE_COUNT 2 #define EXTERNAL_FLASH_DEVICES S25FL216K, \ GD25Q16C #include "external_flash/external_flash.h" #define CALIBRATE_CRYSTALLESS 1 // Explanation of how a user got into safe mode. #define BOARD_USER_SAFE_MODE_ACTION "pressing both buttons at start up"