75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
#define MICROPY_HW_BOARD_NAME "Adafruit CircuitPlayground Express"
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#define MICROPY_HW_MCU_NAME "samd21g18"
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// Don't allow touch on A0 (PA02), because it's connected to the speaker.
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#define PA02_NO_TOUCH (true)
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// Salae reads 12mhz which is the limit even though we set it to the safer 8mhz.
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#define SPI_FLASH_BAUDRATE (8000000)
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// On-board flash
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#define SPI_FLASH_MOSI_PIN PIN_PA20
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#define SPI_FLASH_MISO_PIN PIN_PA16
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#define SPI_FLASH_SCK_PIN PIN_PA21
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#define SPI_FLASH_CS_PIN PIN_PB22
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#define SPI_FLASH_MOSI_PIN_FUNCTION PINMUX_PA20D_SERCOM3_PAD2
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#define SPI_FLASH_MISO_PIN_FUNCTION PINMUX_PA16D_SERCOM3_PAD0
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#define SPI_FLASH_SCK_PIN_FUNCTION PINMUX_PA21D_SERCOM3_PAD3
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#define SPI_FLASH_SERCOM SERCOM3
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#define SPI_FLASH_SERCOM_INDEX 3
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#define SPI_FLASH_MOSI_PAD 2
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#define SPI_FLASH_MISO_PAD 0
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#define SPI_FLASH_SCK_PAD 3
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// <o> Transmit Data Pinout
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// <0x0=>PAD[0,1]_DO_SCK
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// <0x1=>PAD[2,3]_DO_SCK
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// <0x2=>PAD[3,1]_DO_SCK
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// <0x3=>PAD[0,3]_DO_SCK
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#define SPI_FLASH_DOPO 1
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#define SPI_FLASH_DIPO 0 // same as MISO PAD
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// These are pins not to reset.
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// PA24 and PA25 are USB.
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#define MICROPY_PORT_A (PORT_PA16 | PORT_PA20 | PORT_PA21 | PORT_PA24 | PORT_PA25)
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#define MICROPY_PORT_B (PORT_PB22)
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#define MICROPY_PORT_C (0)
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#define SPEAKER_ENABLE_PIN (&pin_PA30)
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#include "external_flash/devices.h"
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// If you change this, then make sure to update the linker scripts as well to
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// make sure you don't overwrite code.
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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 "external_flash/devices.h"
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#define EXTERNAL_FLASH_DEVICE_COUNT 2
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#define EXTERNAL_FLASH_DEVICES S25FL216K, \
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GD25Q16C
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#include "external_flash/external_flash.h"
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#define CALIBRATE_CRYSTALLESS 1
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// Explanation of how a user got into safe mode.
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#define BOARD_USER_SAFE_MODE_ACTION "pressing both buttons at start up"
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#define DEFAULT_I2C_BUS_SCL (&pin_PB03)
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#define DEFAULT_I2C_BUS_SDA (&pin_PB02)
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#define DEFAULT_SPI_BUS_SCK (&pin_PA05)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PA07)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA06)
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#define DEFAULT_UART_BUS_RX (&pin_PB09)
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#define DEFAULT_UART_BUS_TX (&pin_PB08)
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// USB is always used internally so skip the pin objects for it.
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#define IGNORE_PIN_PA24 1
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#define IGNORE_PIN_PA25 1
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