From edd4d44fbab5c998d38b460d5025d9498b7db43c Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Sat, 16 Jun 2018 15:31:44 -0600 Subject: [PATCH] Oops. Forget to add file before commit 5fb988bdc81ea970b3618fde0952786fb3c4bc65 --- configs/xmc4500-relax/src/xmc4_max6675.c | 101 +++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 configs/xmc4500-relax/src/xmc4_max6675.c diff --git a/configs/xmc4500-relax/src/xmc4_max6675.c b/configs/xmc4500-relax/src/xmc4_max6675.c new file mode 100644 index 0000000000..37e25d0ff8 --- /dev/null +++ b/configs/xmc4500-relax/src/xmc4_max6675.c @@ -0,0 +1,101 @@ +/************************************************************************************ + * configs/xmc4500-relax/src/xmc4_max6675.c + * + * Copyright (C) 2018 Alan Carvalho de Assis. All rights reserved. + * Author: Alan Carvalho de Assis + * + * 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 "xmc4_spi.h" +#include "xmc4500-relax.h" + +#if defined(CONFIG_SPI) && defined(CONFIG_SENSORS_MAX6675) && defined(CONFIG_XMC4_SPI2) + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +#define MAX6675_SPI_PORTNO 2 /* On SPI2 */ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/************************************************************************************ + * Name: xmc4_max6675initialize + * + * Description: + * Initialize and register the MAX6675 Temperature Sensor driver. + * + * Input Parameters: + * devpath - The full path to the driver to register. E.g., "/dev/temp0" + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ************************************************************************************/ + +int xmc4_max6675initialize(FAR const char *devpath) +{ + FAR struct spi_dev_s *spi; + int ret; + + spi = xmc4_spibus_initialize(MAX6675_SPI_PORTNO); + + if (!spi) + { + return -ENODEV; + } + + /* Then register the barometer sensor */ + + ret = max6675_register(devpath, spi); + if (ret < 0) + { + snerr("ERROR: Error registering MAX6675\n"); + } + + return ret; +} + +#endif /* CONFIG_SPI && CONFIG_SENSORS_MAX6675 */ +