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https://github.com/Lurkars/esp-ena.git
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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
// Copyright 2020 Lukas Haubaum
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//
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// Licensed under the GNU Affero General Public License, Version 3;
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// https://www.gnu.org/licenses/agpl-3.0.html
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include "driver/i2c.h"
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#include "i2c-main.h"
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static bool i2c_initialized = false;
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void i2c_main_init()
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{
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i2c_config_t i2c_config = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = I2C_SDA_PIN,
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.scl_io_num = I2C_SCL_PIN,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = I2C_CLK_SPEED};
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ESP_ERROR_CHECK(i2c_param_config(I2C_NUM_0, &i2c_config));
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ESP_ERROR_CHECK(i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, 0, 0, 0));
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i2c_initialized = true;
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}
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bool i2c_is_initialized()
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{
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return i2c_initialized;
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} |