nuttx/boards/xtensa/esp32/common/include/esp32_max6675.h
2022-10-30 12:05:19 +08:00

37 lines
1.5 KiB
C

/****************************************************************************
* boards/xtensa/esp32/common/include/esp32_max6675.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Name: board_max6675_initialize
*
* Description:
* Initialize and register the MAX6675 Temperature Sensor driver.
*
* Input Parameters:
* devno - The device number, used to build the device path as /dev/tempN
* busno - The SPI bus number
*
* Returned Value:
* Zero (OK) on success; a negated errno value on failure.
*
****************************************************************************/
int board_max6675_initialize(int devno, int busno);