esp-idf/components/soc/esp32/i2c_periph.c

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2019-06-04 23:32:20 -04:00
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#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
*/
const i2c_signal_conn_t i2c_periph_signal[SOC_I2C_NUM] = {
{
.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,
.irq = ETS_I2C_EXT0_INTR_SOURCE,
.module = PERIPH_I2C0_MODULE,
},
{
.sda_out_sig = I2CEXT1_SDA_OUT_IDX,
.sda_in_sig = I2CEXT1_SDA_IN_IDX,
.scl_out_sig = I2CEXT1_SCL_OUT_IDX,
.scl_in_sig = I2CEXT1_SCL_IN_IDX,
.irq = ETS_I2C_EXT1_INTR_SOURCE,
.module = PERIPH_I2C1_MODULE,
},
};