esp-idf/components/soc/esp32c5/i2c_periph.c
2024-08-14 11:25:31 +08:00

43 lines
1.1 KiB
C

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