1 files changed, 103 insertions, 0 deletions
diff --git a/nuttx/configs/dk-tm4c129x/src/tm4c_tmp100.c b/nuttx/configs/dk-tm4c129x/src/tm4c_tmp100.c
new file mode 100644
index 000000000..1b179610c
--- /dev/null
+++ b/nuttx/configs/dk-tm4c129x/src/tm4c_tmp100.c
@@ -0,0 +1,103 @@
+/****************************************************************************
+ * configs/dk-tm4c129x/src/tiva_tmp100.c
+ *
+ *   Copyright (C) 2015 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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 <nuttx/config.h>
+
+#include <errno.h>
+
+#include <nuttx/i2c.h>
+#include <nuttx/sensors/lm75.h>
+
+#include "tiva_i2c.h"
+#include "dk-tm4c129x.h"
+
+#if defined(CONFIG_I2C) && defined(CONFIG_I2C_LM75) && \
+    defined(CONFIG_TIVA_I2C6)
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiva_tmp100_initialize
+ *
+ * Description:
+ *   Initialize and register the LM-75 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 tiva_tmp100_initialize(FAR const char *devpath)
+{
+  FAR struct i2c_dev_s *i2c;
+  int ret;
+
+  /* Get an instance of the I2C6 interface */
+
+  i2c =  up_i2cinitialize(TMP100_I2CBUS);
+  if (!i2c)
+    {
+      return -ENODEV;
+    }
+
+  /* Then register the temperature sensor */
+
+  ret = lm75_register(devpath, i2c, TMP100_I2CADDR);
+  if (ret < 0)
+    {
+      (void)up_i2cuninitialize(i2c);
+    }
+
+  return ret;
+}
+
+#endif /* CONFIG_I2C && CONFIG_I2C_LM75 && CONFIG_TIVA_I2C6 */