qmk_firmware/drivers/arm/twi2c.c
2018-02-07 17:17:39 -05:00

33 lines
1008 B
C

/* Copyright 2018 Jack Humbert
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "twi2c.h"
#ifndef I2C_DRIVER
#define I2C_DRIVER &I2CD1
#endif
static const I2CConfig i2cconfig = {
STM32_TIMINGR_PRESC(15U) |
STM32_TIMINGR_SCLDEL(4U) | STM32_TIMINGR_SDADEL(2U) |
STM32_TIMINGR_SCLH(15U) | STM32_TIMINGR_SCLL(21U),
0,
0
};
void twi2c_init(void) {
i2cStart(I2C_DRIVER, &i2cconfig);
}