29 lines
1.3 KiB
C
29 lines
1.3 KiB
C
#define MICROPY_HW_BOARD_NAME "SAMD21-XPLAINED-PRO"
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#define MICROPY_HW_MCU_NAME "SAMD21J18A"
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// MicroPython configs
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// samd_flash.c flash parameters
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// Build a 64k Flash storage at top. 256k-64k=196k
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// 256*1024=262144 minus 64*1024=65536 = 196608 = 0x30000
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#define MICROPY_HW_FLASH_STORAGE_BASE (0x30000)
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#define MICROPY_HW_FLASH_STORAGE_BYTES (0xFFFF)
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#define VFS_BLOCK_SIZE_BYTES (1536) // 24x 64B flash pages;
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// ASF4 MCU package specific Pin definitions
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#include "samd21j18a.h"
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// Please consult the SAM_D21 Datasheet, I/O Multiplexing and Considerations.
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// USART pin assignments: (This board has 3 USARTS brought out to the pins. See https://docs.zephyrproject.org/1.14.1/boards/arm/atsamd21_xpro/doc/index.html#serial-port )
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// Tx=PA10=SERCOM0/PAD[2], Rx=PA11=SERCOM0/PAD[3]
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#define CPU_FREQ (48000000) // For selecting Baud from clock.
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#define MP_PIN_GRP 1 // A=0, B=1
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#define MP_TX_PIN 10 // 'n'
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#define MP_RX_PIN 11
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#define MP_PERIPHERAL_MUX 5 // 'n'th group of 2 pins
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#define USARTx SERCOM0 // SERCOM0: tx/rx
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#define MP_PORT_FUNC 0x22 // Sets PMUXE & PMUXO to the Alternative Function.(A-H=0-7)
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#define MP_RXPO_PAD 3 // RXPO- Receive Data Pinout
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#define MP_TXPO_PAD 2 // TXPO- Tranmit Data Pinout
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#define MP_SERCOMx SERCOM0_ // APBCMASK
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#define MP_SERCOM_GCLK_ID_x_CORE GCLK_CLKCTRL_ID_SERCOM0_CORE // Generic Clock Control
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