98c5703027
It uses non-blocking transfer of data. Advantage over SoftI2C: - Higher data rate up to ~3 MHZ. - Full protocol support.
59 lines
2.4 KiB
C
59 lines
2.4 KiB
C
#define MICROPY_HW_BOARD_NAME "Teensy 4.0"
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#define MICROPY_HW_MCU_NAME "MIMXRT1062DVJ6A"
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#define BOARD_FLASH_SIZE (2 * 1024 * 1024)
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// Teensy 4.0 has 1 board LED
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#define MICROPY_HW_LED1_PIN (pin_GPIO_B0_03)
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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 "teensy40_flexspi_nor_config.h"
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#define MICROPY_HW_NUM_PIN_IRQS (4 * 32 + 3)
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// UART config: 7 UARTs at the pins for Teensy 4.0
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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, 6, 4, 2, 3, 8, 1, 7 }
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#define IOMUX_TABLE_UART \
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{ IOMUXC_GPIO_AD_B0_12_LPUART1_TX }, { IOMUXC_GPIO_AD_B0_13_LPUART1_RX }, \
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{ IOMUXC_GPIO_AD_B1_02_LPUART2_TX }, { IOMUXC_GPIO_AD_B1_03_LPUART2_RX }, \
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{ IOMUXC_GPIO_AD_B1_06_LPUART3_TX }, { IOMUXC_GPIO_AD_B1_07_LPUART3_RX }, \
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{ IOMUXC_GPIO_B1_00_LPUART4_TX }, { IOMUXC_GPIO_B1_01_LPUART4_RX }, \
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{ 0 }, { 0 }, \
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{ IOMUXC_GPIO_AD_B0_02_LPUART6_TX }, { IOMUXC_GPIO_AD_B0_03_LPUART6_RX }, \
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{ IOMUXC_GPIO_EMC_31_LPUART7_TX }, { IOMUXC_GPIO_EMC_32_LPUART7_RX }, \
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{ IOMUXC_GPIO_AD_B1_10_LPUART8_TX }, { IOMUXC_GPIO_AD_B1_11_LPUART8_RX },
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#define MICROPY_HW_SPI_INDEX { 4, 3}
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#define IOMUX_TABLE_SPI \
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{ 0 }, { 0 }, \
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{ 0 }, { 0 }, \
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{ 0 }, { 0 }, \
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{ 0 }, { 0 }, \
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{ IOMUXC_GPIO_AD_B1_15_LPSPI3_SCK }, { IOMUXC_GPIO_AD_B0_03_LPSPI3_PCS0 }, \
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{ IOMUXC_GPIO_AD_B1_14_LPSPI3_SDO }, { IOMUXC_GPIO_AD_B0_02_LPSPI3_SDI }, \
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{ IOMUXC_GPIO_B0_03_LPSPI4_SCK }, { IOMUXC_GPIO_B0_00_LPSPI4_PCS0 }, \
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{ IOMUXC_GPIO_B0_02_LPSPI4_SDO }, { IOMUXC_GPIO_B0_01_LPSPI4_SDI },
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#define DMA_REQ_SRC_RX { 0, kDmaRequestMuxLPSPI1Rx, kDmaRequestMuxLPSPI2Rx, \
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kDmaRequestMuxLPSPI3Rx, kDmaRequestMuxLPSPI4Rx }
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#define DMA_REQ_SRC_TX { 0, kDmaRequestMuxLPSPI1Tx, kDmaRequestMuxLPSPI2Tx, \
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kDmaRequestMuxLPSPI3Tx, kDmaRequestMuxLPSPI4Tx }
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// Define mapping hardware I2C # to logical I2C #
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// SDA/SCL HW-I2C Logical I2C
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// 17/16 LPI2C3 -> 0
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// 18/19 LPI2C1 -> 1
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// 25/24 LPI2C4 -> 2
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#define MICROPY_HW_I2C_INDEX { 1, 3, 4 }
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#define IOMUX_TABLE_I2C \
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{ IOMUXC_GPIO_AD_B1_00_LPI2C1_SCL }, { IOMUXC_GPIO_AD_B1_01_LPI2C1_SDA }, \
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{ 0 }, { 0 }, \
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{ IOMUXC_GPIO_AD_B1_07_LPI2C3_SCL }, { IOMUXC_GPIO_AD_B1_06_LPI2C3_SDA }, \
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{ IOMUXC_GPIO_AD_B0_12_LPI2C4_SCL }, { IOMUXC_GPIO_AD_B0_13_LPI2C4_SDA },
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