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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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