e158702a68
This uses the crystal to clock the RTC on boards which have a crystal.
Disable clock generator 2 which was enabled in commit
8e2080411f ("atmel-samd: Add rtc module support").
samd51 differs from samd21 when it comes to the RTC clock. samd51 doesn't
have an explicit clock peripheral so no need for a clock generator.
The same commit didn't even setup XOSC32K correctly, it missed EN1K and XTALEN.
The RTC uses the 1k clock output, so enable it on the OSCULP32K even if it works without it.
47 lines
1.3 KiB
C
47 lines
1.3 KiB
C
#define MICROPY_HW_BOARD_NAME "Metro M4 Express"
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#define MICROPY_HW_MCU_NAME "samd51j19"
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#define CIRCUITPY_MCU_FAMILY samd51
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// This is for Rev F which is green
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#define MICROPY_HW_LED_TX PIN_PA27
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#define MICROPY_HW_LED_RX PIN_PB06
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#define MICROPY_HW_NEOPIXEL (&pin_PB22)
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// These are pins not to reset.
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// QSPI Data pins and TX LED
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#define MICROPY_PORT_A (PORT_PA08 | PORT_PA09 | PORT_PA10 | PORT_PA11 | PORT_PA27)
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// RX LED, QSPI CS, QSPI SCK and NeoPixel pin
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#define MICROPY_PORT_B ( PORT_PB06 | PORT_PB10 | PORT_PB11 | PORT_PB22)
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#define MICROPY_PORT_C (0)
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#define MICROPY_PORT_D (0)
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#define AUTORESET_DELAY_MS 500
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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 8192
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#define BOARD_FLASH_SIZE (FLASH_SIZE - 0x4000 - CIRCUITPY_INTERNAL_NVM_SIZE)
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#include "external_flash/devices.h"
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#define EXTERNAL_FLASH_DEVICE_COUNT 3
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#define EXTERNAL_FLASH_DEVICES S25FL116K, S25FL216K, GD25Q16C
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#include "external_flash/external_flash.h"
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#define BOARD_HAS_CRYSTAL 1
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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_PA13)
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#define DEFAULT_SPI_BUS_MOSI (&pin_PA12)
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#define DEFAULT_SPI_BUS_MISO (&pin_PA14)
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#define DEFAULT_UART_BUS_RX (&pin_PA23)
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#define DEFAULT_UART_BUS_TX (&pin_PA22)
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