diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-22 16:42:49 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-01-22 16:42:49 +0000 |
commit | 3d2ac1dd78fbec255823415ef5498d35056b7361 (patch) | |
tree | a8318c2dddbe4ecd66f431e93f8ac7e1fe5adabe /nuttx/drivers | |
parent | 0a55f2b9c3fcba71f872267bfeb635b8fc4b8cb7 (diff) | |
download | px4-nuttx-3d2ac1dd78fbec255823415ef5498d35056b7361.tar.gz px4-nuttx-3d2ac1dd78fbec255823415ef5498d35056b7361.tar.bz2 px4-nuttx-3d2ac1dd78fbec255823415ef5498d35056b7361.zip |
Create directory structures to support power-related devices
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4321 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers')
-rw-r--r-- | nuttx/drivers/Makefile | 4 | ||||
-rw-r--r-- | nuttx/drivers/power/Make.defs (renamed from nuttx/drivers/pm/Make.defs) | 20 | ||||
-rw-r--r-- | nuttx/drivers/power/max1704x.c | 208 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_activity.c (renamed from nuttx/drivers/pm/pm_activity.c) | 6 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_changestate.c (renamed from nuttx/drivers/pm/pm_changestate.c) | 8 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_checkstate.c (renamed from nuttx/drivers/pm/pm_checkstate.c) | 8 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_initialize.c (renamed from nuttx/drivers/pm/pm_initialize.c) | 8 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_internal.h (renamed from nuttx/drivers/pm/pm_internal.h) | 14 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_register.c (renamed from nuttx/drivers/pm/pm_register.c) | 8 | ||||
-rw-r--r-- | nuttx/drivers/power/pm_update.c (renamed from nuttx/drivers/pm/pm_update.c) | 8 |
10 files changed, 254 insertions, 38 deletions
diff --git a/nuttx/drivers/Makefile b/nuttx/drivers/Makefile index 4254acac0..9d804871e 100644 --- a/nuttx/drivers/Makefile +++ b/nuttx/drivers/Makefile @@ -1,7 +1,7 @@ ############################################################################ # drivers/Makefile # -# Copyright (C) 2007-2011 Gregory Nutt. All rights reserved. +# Copyright (C) 2007-2012 Gregory Nutt. All rights reserved. # Author: Gregory Nutt <gnutt@nuttx.org> # # Redistribution and use in source and binary forms, with or without @@ -56,7 +56,7 @@ include mmcsd/Make.defs include mtd/Make.defs include net/Make.defs include pipes/Make.defs -include pm/Make.defs +include power/Make.defs include sensors/Make.defs include serial/Make.defs include usbdev/Make.defs diff --git a/nuttx/drivers/pm/Make.defs b/nuttx/drivers/power/Make.defs index 6204973f5..91102c1e9 100644 --- a/nuttx/drivers/pm/Make.defs +++ b/nuttx/drivers/power/Make.defs @@ -1,8 +1,8 @@ ############################################################################ -# drivers/pm/Make.defs +# drivers/power/Make.defs # -# Copyright (C) 2011 Gregory Nutt. All rights reserved. -# Author: Gregory Nutt <spudmonkey@racsa.co.cr> +# 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 @@ -41,10 +41,18 @@ ifeq ($(CONFIG_PM),y) CSRCS += pm_activity.c pm_changestate.c pm_checkstate.c pm_initialize.c pm_register.c pm_update.c +# Add I2C devices + +ifeq ($(CONFIG_I2C),y) +ifeq ($(CONFIG_I2C_MAX1704X),y) +CSRCS += max1704x.c +endif +endif + # Include power management in the build -DEPPATH += --dep-path pm -VPATH += :pm -CFLAGS += ${shell $(TOPDIR)/tools/incdir.sh $(INCDIROPT) "$(CC)" $(TOPDIR)/drivers/pm} +DEPPATH += --dep-path power +VPATH += :power +CFLAGS += ${shell $(TOPDIR)/tools/incdir.sh $(INCDIROPT) "$(CC)" $(TOPDIR)/drivers/power} endif diff --git a/nuttx/drivers/power/max1704x.c b/nuttx/drivers/power/max1704x.c new file mode 100644 index 000000000..bba53478a --- /dev/null +++ b/nuttx/drivers/power/max1704x.c @@ -0,0 +1,208 @@ +/**************************************************************************** + * drivers/power/max1704x.c + * Character driver for the STMicroMAX1704x Temperature Sensor + * + * Copyright (C) 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <errno.h> +#include <debug.h> + +#if defined(CONFIG_I2C) && defined(CONFIG_I2C_MAX1704X) + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private + ****************************************************************************/ + +struct max1704x_dev_s +{ + FAR struct i2c_dev_s *i2c; /* I2C interface */ + uint8_t addr; /* I2C address */ +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ +/* I2C Helpers */ + +/* Character driver methods */ + +static int max1704x_open(FAR struct file *filep); +static int max1704x_close(FAR struct file *filep); +static ssize_t max1704x_read(FAR struct file *, FAR char *, size_t); +static ssize_t max1704x_write(FAR struct file *filep, FAR const char *buffer, size_t buflen); +static int max1704x_ioctl(FAR struct file *filep,int cmd,unsigned long arg); + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const struct file_operations g_max1704xfopg = +{ + max1704x_open, + max1704x_close, + max1704x_read, + max1704x_write, + 0, + max1704x_ioctl +#ifndef CONFIG_DISABLE_POLL + , 0 +#endif +}; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ +/**************************************************************************** + * Name: max1704x_open + * + * Description: + * This function is called whenever theMAX1704x device is opened. + * + ****************************************************************************/ + +static int max1704x_open(FAR struct file *filep) +{ + return OK; +} + +/**************************************************************************** + * Name: max1704x_close + * + * Description: + * This routine is called when theMAX1704x device is closed. + * + ****************************************************************************/ + +static int max1704x_close(FAR struct file *filep) +{ + return OK; +} + +/**************************************************************************** + * Name: max1704x_read + ****************************************************************************/ + +static ssize_t max1704x_read(FAR struct file *filep, FAR char *buffer, size_t buflen) +{ + retrun 0; +} + +/**************************************************************************** + * Name: max1704x_write + ****************************************************************************/ + +static ssize_t max1704x_write(FAR struct file *filep, FAR const char *buffer, + size_t buflen) +{ + return -EACCESS; +} + +/**************************************************************************** + * Name: max1704x_ioctl + ****************************************************************************/ + +static int max1704x_ioctl(FAR struct file *filep, int cmd, unsigned long arg) +{ + FAR struct inode *inode = filep->f_inode; + FAR struct max1704x_dev_s *priv = inode->i_private; + int ret = OK; + + switch (cmd) + { + default: + i2cdbg("Unrecognized cmd: %d\n", cmd); + ret = -ENOTTY; + break; + } + + return ret; +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: max1704x_register + * + * Description: + * Register theMAX1704x 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 the MAX1704x + * addr - The I2C address of the MAX1704x. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +int max1704x_register(FAR const char *devpath, FAR struct i2c_dev_s *i2c, uint8_t addr) +{ + FAR struct max1704x_dev_s *priv; + int ret; + + /* Initialize theMAX1704x device structure */ + + priv = (FAR struct max1704x_dev_s *)kzalloc(sizeof(struct max1704x_dev_s)); + if (!priv) + { + i2cdbg("Failed to allocate instance\n"); + return -ENOMEM; + } + + priv->i2c = i2c; + priv->addr = addr; + + /* Register the character driver */ + + ret = register_driver(devpath, &g_max1704xfopg, 0555, priv); + if (ret < 0) + { + i2cdbg("Failed to register driver: %d\n", ret); + free(priv); + } + return ret; +} +#endif /* CONFIG_I2C && CONFIG_I2C_MAX1704X */ diff --git a/nuttx/drivers/pm/pm_activity.c b/nuttx/drivers/power/pm_activity.c index dd908b949..8cef46684 100644 --- a/nuttx/drivers/pm/pm_activity.c +++ b/nuttx/drivers/power/pm_activity.c @@ -1,7 +1,7 @@ /**************************************************************************** - * drivers/pm/pm_activity.c + * drivers/power/pm_activity.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -39,7 +39,7 @@ #include <nuttx/config.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include <nuttx/clock.h> #include <arch/irq.h> diff --git a/nuttx/drivers/pm/pm_changestate.c b/nuttx/drivers/power/pm_changestate.c index 50fa0640f..27d17ce88 100644 --- a/nuttx/drivers/pm/pm_changestate.c +++ b/nuttx/drivers/power/pm_changestate.c @@ -1,8 +1,8 @@ /**************************************************************************** - * drivers/pm/pm_changestate.c + * drivers/power/pm_changestate.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -39,7 +39,7 @@ #include <nuttx/config.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include <arch/irq.h> #include "pm_internal.h" diff --git a/nuttx/drivers/pm/pm_checkstate.c b/nuttx/drivers/power/pm_checkstate.c index 9ecff862e..9b0e1045e 100644 --- a/nuttx/drivers/pm/pm_checkstate.c +++ b/nuttx/drivers/power/pm_checkstate.c @@ -1,8 +1,8 @@ /**************************************************************************** - * drivers/pm/pm_checkstate.c + * drivers/power/pm_checkstate.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -39,7 +39,7 @@ #include <nuttx/config.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include <nuttx/clock.h> #include <arch/irq.h> diff --git a/nuttx/drivers/pm/pm_initialize.c b/nuttx/drivers/power/pm_initialize.c index 70cd8d7e6..9401fba9e 100644 --- a/nuttx/drivers/pm/pm_initialize.c +++ b/nuttx/drivers/power/pm_initialize.c @@ -1,8 +1,8 @@ /**************************************************************************** - * drivers/pm/pm_initialize.c + * drivers/power/pm_initialize.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -41,7 +41,7 @@ #include <semaphore.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include "pm_internal.h" diff --git a/nuttx/drivers/pm/pm_internal.h b/nuttx/drivers/power/pm_internal.h index b3e610ba0..0ae4722da 100644 --- a/nuttx/drivers/pm/pm_internal.h +++ b/nuttx/drivers/power/pm_internal.h @@ -1,8 +1,8 @@ /**************************************************************************** - * drivers/pm/pm_internal.h + * drivers/power/pm_internal.h * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -33,8 +33,8 @@ * ****************************************************************************/ -#ifndef __DRIVERS_PM_PM_INTERNAL_H -#define __DRIVERS_PM_PM_INTERNAL_H +#ifndef __DRIVERS_POWER_PM_INTERNAL_H +#define __DRIVERS_POWER_PM_INTERNAL_H /**************************************************************************** * Included Files @@ -45,7 +45,7 @@ #include <semaphore.h> #include <queue.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include <nuttx/wqueue.h> #ifdef CONFIG_PM @@ -207,4 +207,4 @@ EXTERN void pm_update(int16_t accum); #endif #endif /* CONFIG_PM */ -#endif /* #define __DRIVERS_PM_PM_INTERNAL_H */ +#endif /* #define __DRIVERS_POWER_PM_INTERNAL_H */ diff --git a/nuttx/drivers/pm/pm_register.c b/nuttx/drivers/power/pm_register.c index 41d4bb836..19f94cb02 100644 --- a/nuttx/drivers/pm/pm_register.c +++ b/nuttx/drivers/power/pm_register.c @@ -1,8 +1,8 @@ /**************************************************************************** - * drivers/pm/pm_register.c + * drivers/power/pm_register.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -42,7 +42,7 @@ #include <queue.h> #include <assert.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include "pm_internal.h" diff --git a/nuttx/drivers/pm/pm_update.c b/nuttx/drivers/power/pm_update.c index 336bee5ef..ae5e1f840 100644 --- a/nuttx/drivers/pm/pm_update.c +++ b/nuttx/drivers/power/pm_update.c @@ -1,8 +1,8 @@ /**************************************************************************** - * drivers/pm/pm_update.c + * drivers/power/pm_update.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * 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 @@ -41,7 +41,7 @@ #include <assert.h> -#include <nuttx/pm.h> +#include <nuttx/power/pm.h> #include <nuttx/wqueue.h> #include "pm_internal.h" |