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alif: Support more fine-grained pin alternate function selection.
Now raises an exception if the pin doesn't support the alternate function unit number and line type, eg UART0_TX (previously it only checked the peripheral). Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
@@ -92,34 +92,183 @@ extern ringbuf_t stdin_ringbuf;
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#define mp_hal_pin_obj_t const machine_pin_obj_t *
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#define MP_HAL_PIN_ALT(function, unit) (MP_HAL_PIN_ALT_MAKE((MP_HAL_PIN_ALT_##function), (unit)))
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#define MP_HAL_PIN_ALT_MAKE(function, unit) ((function) | ((unit) << 8))
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#define MP_HAL_PIN_ALT_GET_FUNC(alt) ((alt) & 0xff)
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#define MP_HAL_PIN_ALT_GET_UNIT(alt) ((alt) >> 8)
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enum {
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MP_HAL_PIN_ALT_NONE = 0,
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MP_HAL_PIN_ALT_GPIO,
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MP_HAL_PIN_ALT_ANA,
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MP_HAL_PIN_ALT_AUDIO,
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MP_HAL_PIN_ALT_CAM,
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MP_HAL_PIN_ALT_CDC,
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MP_HAL_PIN_ALT_CMP,
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MP_HAL_PIN_ALT_ETH,
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MP_HAL_PIN_ALT_FAULT,
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MP_HAL_PIN_ALT_HFXO,
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MP_HAL_PIN_ALT_I2C,
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MP_HAL_PIN_ALT_I2S,
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MP_HAL_PIN_ALT_I3C,
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MP_HAL_PIN_ALT_JTAG,
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MP_HAL_PIN_ALT_LPCAM,
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MP_HAL_PIN_ALT_LPI2C,
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MP_HAL_PIN_ALT_LPI2S,
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MP_HAL_PIN_ALT_LPPDM,
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MP_HAL_PIN_ALT_LPSPI,
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MP_HAL_PIN_ALT_LPTMR,
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MP_HAL_PIN_ALT_LPUART,
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MP_HAL_PIN_ALT_OSPI,
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MP_HAL_PIN_ALT_PDM,
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MP_HAL_PIN_ALT_QEC,
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MP_HAL_PIN_ALT_SD,
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MP_HAL_PIN_ALT_SPI,
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MP_HAL_PIN_ALT_UART,
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MP_HAL_PIN_ALT_UT,
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MP_HAL_PIN_ALT_AUDIO_CLK,
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MP_HAL_PIN_ALT_CAM_D0,
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MP_HAL_PIN_ALT_CAM_D1,
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MP_HAL_PIN_ALT_CAM_D2,
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MP_HAL_PIN_ALT_CAM_D3,
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MP_HAL_PIN_ALT_CAM_D4,
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MP_HAL_PIN_ALT_CAM_D5,
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MP_HAL_PIN_ALT_CAM_D6,
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MP_HAL_PIN_ALT_CAM_D7,
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MP_HAL_PIN_ALT_CAM_D8,
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MP_HAL_PIN_ALT_CAM_D9,
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MP_HAL_PIN_ALT_CAM_D10,
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MP_HAL_PIN_ALT_CAM_D11,
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MP_HAL_PIN_ALT_CAM_D12,
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MP_HAL_PIN_ALT_CAM_D13,
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MP_HAL_PIN_ALT_CAM_D14,
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MP_HAL_PIN_ALT_CAM_D15,
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MP_HAL_PIN_ALT_CAM_HSYNC,
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MP_HAL_PIN_ALT_CAM_PCLK,
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MP_HAL_PIN_ALT_CAM_VSYNC,
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MP_HAL_PIN_ALT_CAM_XVCLK,
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MP_HAL_PIN_ALT_CDC_D0,
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MP_HAL_PIN_ALT_CDC_D1,
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MP_HAL_PIN_ALT_CDC_D2,
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MP_HAL_PIN_ALT_CDC_D3,
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MP_HAL_PIN_ALT_CDC_D4,
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MP_HAL_PIN_ALT_CDC_D5,
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MP_HAL_PIN_ALT_CDC_D6,
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MP_HAL_PIN_ALT_CDC_D7,
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MP_HAL_PIN_ALT_CDC_D8,
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MP_HAL_PIN_ALT_CDC_D9,
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MP_HAL_PIN_ALT_CDC_D10,
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MP_HAL_PIN_ALT_CDC_D11,
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MP_HAL_PIN_ALT_CDC_D12,
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MP_HAL_PIN_ALT_CDC_D13,
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MP_HAL_PIN_ALT_CDC_D14,
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MP_HAL_PIN_ALT_CDC_D15,
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MP_HAL_PIN_ALT_CDC_D16,
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MP_HAL_PIN_ALT_CDC_D17,
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MP_HAL_PIN_ALT_CDC_D18,
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MP_HAL_PIN_ALT_CDC_D19,
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MP_HAL_PIN_ALT_CDC_D20,
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MP_HAL_PIN_ALT_CDC_D21,
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MP_HAL_PIN_ALT_CDC_D22,
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MP_HAL_PIN_ALT_CDC_D23,
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MP_HAL_PIN_ALT_CDC_DE,
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MP_HAL_PIN_ALT_CDC_HSYNC,
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MP_HAL_PIN_ALT_CDC_PCLK,
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MP_HAL_PIN_ALT_CDC_VSYNC,
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MP_HAL_PIN_ALT_CMP_OUT,
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MP_HAL_PIN_ALT_ETH_CRS_DV_A,
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MP_HAL_PIN_ALT_ETH_CRS_DV_B,
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MP_HAL_PIN_ALT_ETH_CRS_DV_C,
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MP_HAL_PIN_ALT_ETH_IRQ,
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MP_HAL_PIN_ALT_ETH_MDC,
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MP_HAL_PIN_ALT_ETH_MDIO,
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MP_HAL_PIN_ALT_ETH_REFCLK,
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MP_HAL_PIN_ALT_ETH_RST,
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MP_HAL_PIN_ALT_ETH_RXD0,
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MP_HAL_PIN_ALT_ETH_RXD1,
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MP_HAL_PIN_ALT_ETH_TXD0,
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MP_HAL_PIN_ALT_ETH_TXD1,
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MP_HAL_PIN_ALT_ETH_TXEN,
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MP_HAL_PIN_ALT_FAULT_A,
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MP_HAL_PIN_ALT_FAULT_B,
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MP_HAL_PIN_ALT_FAULT_C,
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MP_HAL_PIN_ALT_HFXO_OUT,
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MP_HAL_PIN_ALT_I2C_SCL,
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MP_HAL_PIN_ALT_I2C_SDA,
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MP_HAL_PIN_ALT_I2S_SCLK,
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MP_HAL_PIN_ALT_I2S_SDI,
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MP_HAL_PIN_ALT_I2S_SDO,
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MP_HAL_PIN_ALT_I2S_WS,
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MP_HAL_PIN_ALT_I3C_SCL,
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MP_HAL_PIN_ALT_I3C_SDA,
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MP_HAL_PIN_ALT_JTAG_TCK,
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MP_HAL_PIN_ALT_JTAG_TDATA0,
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MP_HAL_PIN_ALT_JTAG_TDATA1,
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MP_HAL_PIN_ALT_JTAG_TDATA2,
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MP_HAL_PIN_ALT_JTAG_TDATA3,
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MP_HAL_PIN_ALT_JTAG_TDI,
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MP_HAL_PIN_ALT_JTAG_TDO,
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MP_HAL_PIN_ALT_JTAG_TMS,
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MP_HAL_PIN_ALT_JTAG_TRACECLK,
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MP_HAL_PIN_ALT_LPCAM_D0,
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MP_HAL_PIN_ALT_LPCAM_D1,
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MP_HAL_PIN_ALT_LPCAM_D2,
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MP_HAL_PIN_ALT_LPCAM_D3,
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MP_HAL_PIN_ALT_LPCAM_D4,
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MP_HAL_PIN_ALT_LPCAM_D5,
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MP_HAL_PIN_ALT_LPCAM_D6,
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MP_HAL_PIN_ALT_LPCAM_D7,
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MP_HAL_PIN_ALT_LPCAM_HSYNC,
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MP_HAL_PIN_ALT_LPCAM_PCLK,
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MP_HAL_PIN_ALT_LPCAM_VSYNC,
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MP_HAL_PIN_ALT_LPCAM_XVCLK,
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MP_HAL_PIN_ALT_LPI2C_SCL,
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MP_HAL_PIN_ALT_LPI2C_SDA,
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MP_HAL_PIN_ALT_LPI2S_SCLK,
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MP_HAL_PIN_ALT_LPI2S_SDI,
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MP_HAL_PIN_ALT_LPI2S_SDO,
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MP_HAL_PIN_ALT_LPI2S_WS,
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MP_HAL_PIN_ALT_LPPDM_C0,
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MP_HAL_PIN_ALT_LPPDM_C1,
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MP_HAL_PIN_ALT_LPPDM_C2,
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MP_HAL_PIN_ALT_LPPDM_C3,
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MP_HAL_PIN_ALT_LPPDM_D0,
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MP_HAL_PIN_ALT_LPPDM_D1,
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MP_HAL_PIN_ALT_LPPDM_D2,
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MP_HAL_PIN_ALT_LPPDM_D3,
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MP_HAL_PIN_ALT_LPSPI_MISO,
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MP_HAL_PIN_ALT_LPSPI_MOSI,
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MP_HAL_PIN_ALT_LPSPI_SCLK,
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MP_HAL_PIN_ALT_LPSPI_SS,
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MP_HAL_PIN_ALT_LPTMR_CLK,
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MP_HAL_PIN_ALT_LPUART_CTS,
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MP_HAL_PIN_ALT_LPUART_RTS,
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MP_HAL_PIN_ALT_LPUART_RX,
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MP_HAL_PIN_ALT_LPUART_TX,
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MP_HAL_PIN_ALT_OSPI_D0,
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MP_HAL_PIN_ALT_OSPI_D1,
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MP_HAL_PIN_ALT_OSPI_D2,
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MP_HAL_PIN_ALT_OSPI_D3,
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MP_HAL_PIN_ALT_OSPI_D4,
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MP_HAL_PIN_ALT_OSPI_D5,
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MP_HAL_PIN_ALT_OSPI_D6,
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MP_HAL_PIN_ALT_OSPI_D7,
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MP_HAL_PIN_ALT_OSPI_RXDS,
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MP_HAL_PIN_ALT_OSPI_SCLK,
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MP_HAL_PIN_ALT_OSPI_SCLKN,
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MP_HAL_PIN_ALT_OSPI_SS0,
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MP_HAL_PIN_ALT_OSPI_SS1,
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MP_HAL_PIN_ALT_PDM_C0,
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MP_HAL_PIN_ALT_PDM_C1,
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MP_HAL_PIN_ALT_PDM_C2,
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MP_HAL_PIN_ALT_PDM_C3,
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MP_HAL_PIN_ALT_PDM_D0,
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MP_HAL_PIN_ALT_PDM_D1,
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MP_HAL_PIN_ALT_PDM_D2,
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MP_HAL_PIN_ALT_PDM_D3,
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MP_HAL_PIN_ALT_QEC_X,
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MP_HAL_PIN_ALT_QEC_Y,
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MP_HAL_PIN_ALT_QEC_Z,
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MP_HAL_PIN_ALT_SD_CLK,
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MP_HAL_PIN_ALT_SD_CMD,
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MP_HAL_PIN_ALT_SD_D0,
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MP_HAL_PIN_ALT_SD_D1,
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MP_HAL_PIN_ALT_SD_D2,
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MP_HAL_PIN_ALT_SD_D3,
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MP_HAL_PIN_ALT_SD_D4,
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MP_HAL_PIN_ALT_SD_D5,
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MP_HAL_PIN_ALT_SD_D6,
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MP_HAL_PIN_ALT_SD_D7,
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MP_HAL_PIN_ALT_SD_RST,
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MP_HAL_PIN_ALT_SPI_MISO,
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MP_HAL_PIN_ALT_SPI_MOSI,
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MP_HAL_PIN_ALT_SPI_SCLK,
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MP_HAL_PIN_ALT_SPI_SS0,
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MP_HAL_PIN_ALT_SPI_SS1,
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MP_HAL_PIN_ALT_SPI_SS2,
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MP_HAL_PIN_ALT_SPI_SS3,
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MP_HAL_PIN_ALT_UART_CTS,
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MP_HAL_PIN_ALT_UART_DE,
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MP_HAL_PIN_ALT_UART_RTS,
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MP_HAL_PIN_ALT_UART_RX,
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MP_HAL_PIN_ALT_UART_TX,
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MP_HAL_PIN_ALT_UT_T0,
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MP_HAL_PIN_ALT_UT_T1,
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};
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typedef struct _machine_pin_obj_t {
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@@ -130,7 +279,7 @@ typedef struct _machine_pin_obj_t {
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uint8_t adc12_periph : 2;
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uint8_t adc12_channel : 3;
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qstr name;
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const uint8_t alt[8];
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const uint16_t alt[8]; // holds result of MP_HAL_PIN_ALT_MAKE(function, unit)
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} machine_pin_obj_t;
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mp_hal_pin_obj_t mp_hal_get_pin_obj(mp_obj_t pin_in);
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