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689476c576
The implementation uses the LPUARTx devices. Up to 8 UARTs can be used,
given that the pins are accessible. E.g. 8 on Teensy 4.1, 5 on
MIMXRT1020_EVK.
For Tennsy 4.0 and 4.1 the UART numbers are as printed on the pinout 1..N.
The MIMXRT10xx-EVK boards have only one UART named, which gets the number
1. All other UART are assigned to different Pins:
MIMXRT1010-EVK:
D0/D1 UART 1
D6/D7 UART 2
A0/D4 UART 3
MIMXRT1020-EVK:
D0/D1 UART 1
D6/D9 UART 2
D10/D12 UART 3
D14/D15 UART 4
A0/A1 UART 5
MIMXRT1050-EVK, MIMXRT1060-EVK, MIMXRT1064-EVK:
D0/D1 UART 1
D7/D6 UART 2
D8/D9 UART 3
A1/A0 UART 4
25 lines
930 B
C
25 lines
930 B
C
#define MICROPY_HW_BOARD_NAME "i.MX RT1010 EVK"
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#define MICROPY_HW_MCU_NAME "MIMXRT1011DAE5A"
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#define BOARD_FLASH_SIZE (16 * 1024 * 1024)
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// i.MX RT1010 EVK has 1 board LED
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#define MICROPY_HW_LED1_PIN (pin_GPIO_11)
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#define MICROPY_HW_LED_ON(pin) (mp_hal_pin_high(pin))
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#define MICROPY_HW_LED_OFF(pin) (mp_hal_pin_low(pin))
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#define BOARD_FLASH_CONFIG_HEADER_H "evkmimxrt1010_flexspi_nor_config.h"
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// Define mapping logical UART # to hardware UART #
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// LPUART1 on D0/D1 -> 1
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// LPUART3 on A0/D4 -> 3
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// LPUART4 on D6/D7 -> 2
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#define MICROPY_HW_UART_NUM (sizeof(uart_index_table) / sizeof(uart_index_table)[0])
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#define MICROPY_HW_UART_INDEX { 0, 1, 4, 3 }
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#define IOMUX_TABLE_UART \
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{ IOMUXC_GPIO_10_LPUART1_TXD }, { IOMUXC_GPIO_09_LPUART1_RXD }, \
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{ 0 }, { 0 }, \
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{ IOMUXC_GPIO_08_LPUART3_TXD }, { IOMUXC_GPIO_AD_07_LPUART3_RXD }, \
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{ IOMUXC_GPIO_AD_02_LPUART4_TXD }, { IOMUXC_GPIO_AD_01_LPUART4_RXD },
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