diff --git a/configs/nucleo-f334r8/src/stm32_hrtim.c b/configs/nucleo-f334r8/src/stm32_hrtim.c new file mode 100644 index 0000000000..d5af56f757 --- /dev/null +++ b/configs/nucleo-f334r8/src/stm32_hrtim.c @@ -0,0 +1,96 @@ +/**************************************************************************** + * configs/nucleo-f334r8/src/stm32_hrtim.c + * + * Copyright (C) 2017 Gregory Nutt. All rights reserved. + * Author: Mateusz Szafoni + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +#include + +#include "stm32.h" + +#if defined(CONFIG_HRTIM) && defined(CONFIG_STM32_HRTIM1) + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_hrtim_setup + * + * Description: + * Initialize HRTIM + * + ****************************************************************************/ + +int stm32_hrtim_setup(void) +{ + static bool initialized = false; + struct hrtim_dev_s* hrtim = NULL; + int ret; + + if (!initialized) + { + /* Get the HRTIM interface */ + + hrtim = stm32_hrtiminitialize(); + if (hrtim == NULL) + { + aerr("ERROR: Failed to get HRTIM1interface\n"); + return -ENODEV; + } + + /* Register the HRTIM character driver at /dev/hrtim0 */ + + ret = hrtim_register("/dev/hrtim0", hrtim); + if (ret < 0) + { + aerr("ERROR: hrtim_register failed: %d\n", ret); + return ret; + } + + initialized = true; + } + + return OK; +} + +#endif /* CONFIG_HRTIM && CONFIG_STM32_HRTIM1 */