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41 lines
1.0 KiB
C
41 lines
1.0 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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/**
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* @file
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*
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* @brief start I2C driver for display and RTC.
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*
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*/
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#ifndef _i2c_main_H_
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#define _i2c_main_H_
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#define I2C_SDA_PIN (23)
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#define I2C_SCL_PIN (22)
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#define I2C_CLK_SPEED (1000000)
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/**
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* @brief initialize main I2C interface
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*/
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void i2c_main_init();
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/**
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* @brief check if I2C interface already initialized
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*
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* @return
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* - false I2C not initialized
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* - true I2C initialized
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*/
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bool i2c_is_initialized();
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#endif |