#define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express" #define MICROPY_HW_MCU_NAME "samd21g18" #define MICROPY_HW_LED_STATUS (&pin_PA17) // 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 // These are pins not to reset. #define MICROPY_PORT_A (0) #define MICROPY_PORT_B (0) #define MICROPY_PORT_C (0) #define SPEAKER_ENABLE_PIN (&pin_PA30) // 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) #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" #define DEFAULT_I2C_BUS_SCL (&pin_PB03) #define DEFAULT_I2C_BUS_SDA (&pin_PB02) #define DEFAULT_SPI_BUS_SCK (&pin_PA05) #define DEFAULT_SPI_BUS_MOSI (&pin_PA07) #define DEFAULT_SPI_BUS_MISO (&pin_PA06) #define DEFAULT_UART_BUS_RX (&pin_PB09) #define DEFAULT_UART_BUS_TX (&pin_PB08) // USB is always used internally so skip the pin objects for it. #define IGNORE_PIN_PA24 1 #define IGNORE_PIN_PA25 1 #define CIRCUITPY_DISPLAYIO (0)