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			43 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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 *
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 * SPDX-License-Identifier: Apache-2.0
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 */
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#include "soc/i2c_periph.h"
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#include "soc/gpio_sig_map.h"
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/*
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 Bunch of constants for every I2C peripheral: GPIO signals, irqs, hw addr of registers etc
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*/
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typedef enum
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{
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    LP_I2C_MUX_FUNC         = 0,
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    LP_GPIO_MUX_FUNC        = 1,
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    LP_IO_MUX_FUNC_NUM      = 2,
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    LP_MUX_FUNC_NOT_USED    = 0xFF,
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} lp_io_mux_func_t;
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static_assert(SOC_I2C_NUM == (SOC_HP_I2C_NUM + SOC_LP_I2C_NUM));
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const i2c_signal_conn_t i2c_periph_signal[SOC_I2C_NUM] = {
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    /* I2C_NUM_0*/
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    {
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        .sda_out_sig = I2CEXT0_SDA_OUT_IDX,
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        .sda_in_sig = I2CEXT0_SDA_IN_IDX,
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        .scl_out_sig = I2CEXT0_SCL_OUT_IDX,
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        .scl_in_sig = I2CEXT0_SCL_IN_IDX,
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        .iomux_func = (uint8_t)LP_MUX_FUNC_NOT_USED,
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        .irq = ETS_I2C_EXT0_INTR_SOURCE,
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    },
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    /* LP_I2C_NUM_0*/
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    {
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        .sda_out_sig = 0,
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        .sda_in_sig = 0,
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        .scl_out_sig = 0,
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        .scl_in_sig = 0,
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        .iomux_func = (uint8_t)LP_I2C_MUX_FUNC,
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        .irq = ETS_LP_I2C_INTR_SOURCE,
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    },
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};
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