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Diffstat (limited to 'nuttx/include/nuttx/sensors/lm75.h')
-rw-r--r-- | nuttx/include/nuttx/sensors/lm75.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/nuttx/include/nuttx/sensors/lm75.h b/nuttx/include/nuttx/sensors/lm75.h deleted file mode 100644 index d34509ada..000000000 --- a/nuttx/include/nuttx/sensors/lm75.h +++ /dev/null @@ -1,133 +0,0 @@ -/**************************************************************************** - * include/nuttx/lm75.h - * - * Copyright (C) 2011-2012 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. - * - ****************************************************************************/ - -#ifndef __NUTTX_SENSORS_LM75_H -#define __NUTTX_SENSORS_LM75_H - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#include <nuttx/fs/ioctl.h> - -/**************************************************************************** - * Pre-Processor Definitions - ****************************************************************************/ -/* Configuration ************************************************************ - * CONFIG_I2C - Enables support for I2C drivers - * CONFIG_I2C_LM75 - Enables support for the LM-75 driver - */ - -#define CONFIG_LM75_BASEADDR 0x48 - -/* IOCTL Commands ***********************************************************/ - -#define SNIOC_READCONF _SNIOC(0x0001) /* Arg: uint8_t* pointer */ -#define SNIOC_WRITECONF _SNIOC(0x0002) /* Arg: uint8_t value */ -#define SNIOC_SHUTDOWN _SNIOC(0x0003) /* Arg: None */ -#define SNIOC_POWERUP _SNIOC(0x0004) /* Arg: None */ -#define SNIOC_FAHRENHEIT _SNIOC(0x0005) /* Arg: None */ -#define SNIOC_CENTIGRADE _SNIOC(0x0006) /* Arg: None */ -#define SNIOC_READTHYS _SNIOC(0x0007) /* Arg: b16_t* pointer */ -#define SNIOC_WRITETHYS _SNIOC(0x0008) /* Arg: b16_t value */ -#define SNIOC_READTOS _SNIOC(0x0009) /* Arg: b16_t* pointer */ -#define SNIOC_WRITRETOS _SNIOC(0x000a) /* Arg: b16_t value */ - -/* LM-75 Register Definitions ***********************************************/ -/* LM-75 Registers addresses */ - -#define LM75_TEMP_REG 0x00 /* Temperature Register */ -#define LM75_CONF_REG 0x01 /* Configuration Register */ -#define LM75_THYS_REG 0x02 /* Temperature Register */ -#define LM75_TOS_REG 0x03 /* Over-temp Shutdown Threshold Register */ - -/* Configuration Register Bit Definitions */ - -#define LM75_CONF_SHUTDOWN (1 << 0) /* Bit 0: Put LM75 goes in low power shutdown mode */ -#define LM75_CONF_INTMODE (1 << 1) /* Bit 1: 0=Comparator 1=Interrupt mode */ -#define LM75_CONF_POLARITY (1 << 2) /* Bit 2: 0=O.S. Active low 1=active high */ -#define LM75_CONF_FAULTQ (3) /* Bits 3-4: # faults before setting O.S. */ - -/* NOTE: When temperature values are read, they are return as b16_t, fixed - * precision integer values (see include/fixedmath.h). - */ - -/**************************************************************************** - * Global Data - ****************************************************************************/ - -/**************************************************************************** - * Global Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Global Function Prototypes - ****************************************************************************/ - -#ifdef __cplusplus -#define EXTERN extern "C" -extern "C" { -#else -#define EXTERN extern -#endif - -/**************************************************************************** - * Name: lm75_register - * - * Description: - * Register the LM-75 character device as 'devpath' - * - * Input Parameters: - * devpath - The full path to the driver to register. E.g., "/dev/temp0" - * i2c - An instance of the I2C interface to use to communicate with LM75 - * addr - The I2C address of the LM-75. The base I2C address of the LM75 - * is 0x48. Bits 0-3 can be controlled to get 8 unique addresses from 0x48 - * through 0x4f. - * - * Returned Value: - * Zero (OK) on success; a negated errno value on failure. - * - ****************************************************************************/ - -EXTERN int lm75_register(FAR const char *devpath, FAR struct i2c_dev_s *i2c, - uint8_t addr); - -#undef EXTERN -#ifdef __cplusplus -} -#endif - -#endif /* __NUTTX_SENSORS_LM75_H */ |