tinySA/testhal/STM32F1xx/I2C/i2c_pns.c

/*
    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
                 2011,2012,2013 Giovanni Di Sirio.

    This file is part of ChibiOS/RT.

    ChibiOS/RT 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 3 of the License, or
    (at your option) any later version.

    ChibiOS/RT 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 "ch.h"
#include "hal.h"

#include "i2c_pns.h"
#include "lis3.h"


/* I2C1 */
static const I2CConfig i2cfg1 = {
    OPMODE_I2C,
    400000,
    FAST_DUTY_CYCLE_2,
};



void I2CInit_pns(void){
  i2cInit();

  i2cStart(&I2CD1, &i2cfg1);

  /* tune ports for I2C1*/
  palSetPadMode(IOPORT2, 6, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);
  palSetPadMode(IOPORT2, 7, PAL_MODE_STM32_ALTERNATE_OPENDRAIN);

  chThdSleepMilliseconds(100);  /* Just to be safe. */

  init_lis3();                  /* accelerometer init */
}