mirror of
https://github.com/apache/nuttx.git
synced 2026-06-04 14:53:47 +08:00
Merged in kfazz/nuttx/kinetis_pwm (pull request #50)
kinetis pwm support
This commit is contained in:
Gregory Nutt
@@ -383,6 +383,69 @@ config KINETIS_PIT
|
|||||||
|
|
||||||
endmenu
|
endmenu
|
||||||
|
|
||||||
|
config KINETIS_FTM0_PWM
|
||||||
|
bool "FTM0 PWM"
|
||||||
|
default n
|
||||||
|
depends on KINETIS_FTM0
|
||||||
|
---help---
|
||||||
|
Reserve timer 0 for use by PWM
|
||||||
|
|
||||||
|
Timer devices may be used for different purposes. One special purpose is
|
||||||
|
to generate modulated outputs for such things as motor control. If KINETIS_FTM0
|
||||||
|
is defined then THIS following may also be defined to indicate that
|
||||||
|
the timer is intended to be used for pulsed output modulation.
|
||||||
|
|
||||||
|
config KINETIS_FTM0_CHANNEL
|
||||||
|
int "FTM0 PWM Output Channel"
|
||||||
|
default 0
|
||||||
|
range 0 7
|
||||||
|
depends on KINETIS_FTM0_PWM
|
||||||
|
---help---
|
||||||
|
If FTM0 is enabled for PWM usage, you also need specifies the timer output
|
||||||
|
channel {0,..,7}
|
||||||
|
|
||||||
|
config KINETIS_FTM1_PWM
|
||||||
|
bool "FTM1 PWM"
|
||||||
|
default n
|
||||||
|
depends on KINETIS_FTM1
|
||||||
|
---help---
|
||||||
|
Reserve timer 1 for use by PWM
|
||||||
|
|
||||||
|
Timer devices may be used for different purposes. One special purpose is
|
||||||
|
to generate modulated outputs for such things as motor control. If KINETIS_FTM1
|
||||||
|
is defined then THIS following may also be defined to indicate that
|
||||||
|
the timer is intended to be used for pulsed output modulation.
|
||||||
|
|
||||||
|
config KINETIS_FTM1_CHANNEL
|
||||||
|
int "FTM1 PWM Output Channel"
|
||||||
|
default 0
|
||||||
|
range 0 1
|
||||||
|
depends on KINETIS_FTM1_PWM
|
||||||
|
---help---
|
||||||
|
If FTM1 is enabled for PWM usage, you also need specifies the timer output
|
||||||
|
channel {0,..,1}
|
||||||
|
|
||||||
|
config KINETIS_FTM2_PWM
|
||||||
|
bool "FTM2 PWM"
|
||||||
|
default n
|
||||||
|
depends on KINETIS_FTM2
|
||||||
|
---help---
|
||||||
|
Reserve timer 2 for use by PWM
|
||||||
|
|
||||||
|
Timer devices may be used for different purposes. One special purpose is
|
||||||
|
to generate modulated outputs for such things as motor control. If KINETIS_FTM2
|
||||||
|
is defined then THIS following may also be defined to indicate that
|
||||||
|
the timer is intended to be used for pulsed output modulation.
|
||||||
|
|
||||||
|
config KINETIS_FTM2_CHANNEL
|
||||||
|
int "FTM2 PWM Output Channel"
|
||||||
|
default 0
|
||||||
|
range 0 1
|
||||||
|
depends on KINETIS_FTM2_PWM
|
||||||
|
---help---
|
||||||
|
If FTM2 is enabled for PWM usage, you also need specifies the timer output
|
||||||
|
channel {0,..,1}
|
||||||
|
|
||||||
comment "Kinetis GPIO Interrupt Configuration"
|
comment "Kinetis GPIO Interrupt Configuration"
|
||||||
|
|
||||||
config GPIO_IRQ
|
config GPIO_IRQ
|
||||||
|
|||||||
@@ -108,7 +108,7 @@ CHIP_CSRCS += kinetis_pinirq.c
|
|||||||
endif
|
endif
|
||||||
|
|
||||||
ifeq ($(CONFIG_DEBUG_GPIO),y)
|
ifeq ($(CONFIG_DEBUG_GPIO),y)
|
||||||
CHIP_CSRCS += kinetis_pindbg.c
|
CHIP_CSRCS += kinetis_pindump.c
|
||||||
endif
|
endif
|
||||||
|
|
||||||
ifeq ($(CONFIG_KINETIS_SDHC),y)
|
ifeq ($(CONFIG_KINETIS_SDHC),y)
|
||||||
@@ -127,6 +127,10 @@ ifeq ($(CONFIG_KINETIS_DMA),y)
|
|||||||
CHIP_CSRCS += kinetis_dma.c kinetis_pindma.c
|
CHIP_CSRCS += kinetis_dma.c kinetis_pindma.c
|
||||||
endif
|
endif
|
||||||
|
|
||||||
|
ifeq ($(CONFIG_PWM),y)
|
||||||
|
CHIP_CSRCS += kinetis_pwm.c
|
||||||
|
endif
|
||||||
|
|
||||||
ifeq ($(CONFIG_NET),y)
|
ifeq ($(CONFIG_NET),y)
|
||||||
ifeq ($(CONFIG_KINETIS_ENET),y)
|
ifeq ($(CONFIG_KINETIS_ENET),y)
|
||||||
CHIP_CSRCS += kinetis_enet.c
|
CHIP_CSRCS += kinetis_enet.c
|
||||||
|
|||||||
@@ -567,7 +567,7 @@ void kinetis_pindmadisable(uint32_t pinset);
|
|||||||
************************************************************************************/
|
************************************************************************************/
|
||||||
|
|
||||||
#ifdef CONFIG_DEBUG_GPIO
|
#ifdef CONFIG_DEBUG_GPIO
|
||||||
int kinetis_pindump(uint32_t pinset, const char *msg);
|
void kinetis_pindump(uint32_t pinset, const char *msg);
|
||||||
#else
|
#else
|
||||||
# define kinetis_pindump(p,m)
|
# define kinetis_pindump(p,m)
|
||||||
#endif
|
#endif
|
||||||
|
|||||||
@@ -0,0 +1,135 @@
|
|||||||
|
/****************************************************************************
|
||||||
|
* arch/arm/src/kinetis/kinetis_pindump.c
|
||||||
|
*
|
||||||
|
* Copyright (C) 2013, 2016 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 <sys/types.h>
|
||||||
|
#include <debug.h>
|
||||||
|
|
||||||
|
#include <nuttx/irq.h>
|
||||||
|
#include "up_arch.h"
|
||||||
|
|
||||||
|
#include "kinetis.h"
|
||||||
|
#include "kinetis_gpio.h"
|
||||||
|
#include "kinetis_port.h"
|
||||||
|
|
||||||
|
#ifdef CONFIG_DEBUG_GPIO
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Data
|
||||||
|
****************************************************************************/
|
||||||
|
/* Port letters for prettier debug output */
|
||||||
|
|
||||||
|
static const char g_portchar[KINETIS_NPORTS] =
|
||||||
|
{
|
||||||
|
#if KINETIS_NPORTS > 9
|
||||||
|
# error "Additional support required for this number of GPIOs"
|
||||||
|
#elif KINETIS_NPORTS > 8
|
||||||
|
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I'
|
||||||
|
#elif KINETIS_NPORTS > 7
|
||||||
|
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'
|
||||||
|
#elif KINETIS_NPORTS > 6
|
||||||
|
'A', 'B', 'C', 'D', 'E', 'F', 'G'
|
||||||
|
#elif KINETIS_NPORTS > 5
|
||||||
|
'A', 'B', 'C', 'D', 'E', 'F'
|
||||||
|
#elif KINETIS_NPORTS > 4
|
||||||
|
'A', 'B', 'C', 'D', 'E'
|
||||||
|
#elif KINETIS_NPORTS > 3
|
||||||
|
'A', 'B', 'C', 'D'
|
||||||
|
#elif KINETIS_NPORTS > 2
|
||||||
|
'A', 'B', 'C'
|
||||||
|
#elif KINETIS_NPORTS > 1
|
||||||
|
'A', 'B'
|
||||||
|
#elif KINETIS_NPORTS > 0
|
||||||
|
'A'
|
||||||
|
#else
|
||||||
|
# error "Bad number of GPIOs"
|
||||||
|
#endif
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Data
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Function: kinetis_pindump
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Dump all GPIO registers associated with the provided pin description
|
||||||
|
* along with a descriptive messasge.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void kinetis_pindump(uint32_t pinset, const char *msg)
|
||||||
|
{
|
||||||
|
irqstate_t flags;
|
||||||
|
uintptr_t base;
|
||||||
|
int port;
|
||||||
|
|
||||||
|
/* Decode the port and pin. Use the port number to get the GPIO base
|
||||||
|
* address.
|
||||||
|
*/
|
||||||
|
|
||||||
|
port = (pinset & _PIN_PORT_MASK) >> _PIN_PORT_SHIFT;
|
||||||
|
DEBUGASSERT((unsigned)port < KINETIS_NPORTS);
|
||||||
|
base = KINETIS_GPIO_BASE(port);
|
||||||
|
|
||||||
|
/* The following requires exclusive access to the GPIO registers */
|
||||||
|
|
||||||
|
flags = enter_critical_section();
|
||||||
|
|
||||||
|
lldbg("GPIO%c pinset: %08x base: %08x -- %s\n",
|
||||||
|
g_portchar[port], pinset, base, msg);
|
||||||
|
lldbg(" PDOR: %08x PDIR: %08x PDDR: %08x\n",
|
||||||
|
getreg32(base + KINETIS_GPIO_PDOR_OFFSET),
|
||||||
|
getreg32(base + KINETIS_GPIO_PDIR_OFFSET),
|
||||||
|
getreg32(base + KINETIS_GPIO_PDDR_OFFSET));
|
||||||
|
|
||||||
|
leave_critical_section(flags);
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* CONFIG_DEBUG_GPIO */
|
||||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,197 @@
|
|||||||
|
/************************************************************************************
|
||||||
|
* arch/arm/src/kinetis/kinetis_pwm.h
|
||||||
|
*
|
||||||
|
* Copyright (C) 2013, 2016 Gregory Nutt. All rights reserved.
|
||||||
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||||
|
* Alan Carvalho de Assis <acassis@gmail.com>
|
||||||
|
* Ken Fazzone <kfazz01@gmail.com>
|
||||||
|
*
|
||||||
|
* 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 __ARCH_ARM_SRC_KINETIS_KINETIS_PWM_H
|
||||||
|
#define __ARCH_ARM_SRC_KINETIS_KINETIS_PWM_H
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Included Files
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
#include <nuttx/config.h>
|
||||||
|
|
||||||
|
#include "chip.h"
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
************************************************************************************/
|
||||||
|
/* Configuration ********************************************************************/
|
||||||
|
/* Timer devices may be used for different purposes. One special purpose is
|
||||||
|
* to generate modulated outputs for such things as motor control. If CONFIG_KINETIS_FTMn
|
||||||
|
* is defined then the CONFIG_KINETIS_FTMn_PWM must also be defined to indicate that
|
||||||
|
* timer "n" is intended to be used for pulsed output signal generation.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef CONFIG_KINETIS_FTM0
|
||||||
|
# undef CONFIG_KINETIS_FTM0_PWM
|
||||||
|
#endif
|
||||||
|
#ifndef CONFIG_KINETIS_FTM1
|
||||||
|
# undef CONFIG_KINETIS_FTM1_PWM
|
||||||
|
#endif
|
||||||
|
#ifndef CONFIG_KINETIS_FTM2
|
||||||
|
# undef CONFIG_KINETIS_FTM2_PWM
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Check if PWM support for any channel is enabled. */
|
||||||
|
|
||||||
|
#if defined(CONFIG_KINETIS_FTM0_PWM) || defined(CONFIG_KINETIS_FTM1_PWM) || \
|
||||||
|
defined(CONFIG_KINETIS_FTM2_PWM)
|
||||||
|
|
||||||
|
#include <arch/board/board.h>
|
||||||
|
#include "kinetis_pinmux.h"
|
||||||
|
|
||||||
|
/* For each timer that is enabled for PWM usage, we need the following additional
|
||||||
|
* configuration settings:
|
||||||
|
*
|
||||||
|
* CONFIG_KINETIS_FTMx_CHANNEL - Specifies the timer output channel {1,..,4}
|
||||||
|
* PWM_FTMx_CHn - One of the values defined in kinetis*_pinmap.h. In the case
|
||||||
|
* where there are multiple pin selections, the correct setting must be provided
|
||||||
|
* in the arch/board/board.h file.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef CONFIG_KINETIS_FTM0_PWM
|
||||||
|
# if !defined(CONFIG_KINETIS_FTM0_CHANNEL)
|
||||||
|
# error "CONFIG_KINETIS_FTM0_CHANNEL must be provided"
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 0
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH0OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 1
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH1OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 2
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH2OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 3
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH3OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 4
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH4OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 5
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH5OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 6
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH6OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM0_CHANNEL == 7
|
||||||
|
# define PWM_FTM0_PINCFG GPIO_FTM0_CH7OUT
|
||||||
|
# else
|
||||||
|
# error "Unsupported value of CONFIG_KINETIS_FTM1_CHANNEL"
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CONFIG_KINETIS_FTM1_PWM
|
||||||
|
# if !defined(CONFIG_KINETIS_FTM1_CHANNEL)
|
||||||
|
# error "CONFIG_KINETIS_FTM1_CHANNEL must be provided"
|
||||||
|
# elif CONFIG_KINETIS_FTM1_CHANNEL == 0
|
||||||
|
# define PWM_FTM1_PINCFG GPIO_FTM1_CH0OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM1_CHANNEL == 1
|
||||||
|
# define PWM_FTM1_PINCFG GPIO_FTM1_CH1OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM1_CHANNEL == 2
|
||||||
|
# define PWM_FTM1_PINCFG GPIO_FTM1_CH2OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM1_CHANNEL == 3
|
||||||
|
# define PWM_FTM1_PINCFG GPIO_FTM1_CH3OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM1_CHANNEL == 4
|
||||||
|
# define PWM_FTM1_PINCFG GPIO_FTM1_CH4OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM1_CHANNEL == 5
|
||||||
|
# define PWM_FTM1_PINCFG GPIO_FTM1_CH5OUT
|
||||||
|
# else
|
||||||
|
# error "Unsupported value of CONFIG_KINETIS_FTM2_CHANNEL"
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef CONFIG_KINETIS_FTM2_PWM
|
||||||
|
# if !defined(CONFIG_KINETIS_FTM2_CHANNEL)
|
||||||
|
# error "CONFIG_KINETIS_FTM2_CHANNEL must be provided"
|
||||||
|
# elif CONFIG_KINETIS_FTM2_CHANNEL == 0
|
||||||
|
# define PWM_FTM2_PINCFG GPIO_FTM2_CH0OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM2_CHANNEL == 1
|
||||||
|
# define PWM_FTM2_PINCFG GPIO_FTM2_CH1OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM2_CHANNEL == 2
|
||||||
|
# define PWM_FTM2_PINCFG GPIO_FTM2_CH2OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM2_CHANNEL == 3
|
||||||
|
# define PWM_FTM2_PINCFG GPIO_FTM2_CH3OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM2_CHANNEL == 4
|
||||||
|
# define PWM_FTM2_PINCFG GPIO_FTM2_CH4OUT
|
||||||
|
# elif CONFIG_KINETIS_FTM2_CHANNEL == 5
|
||||||
|
# define PWM_FTM2_PINCFG GPIO_FTM2_CH5OUT
|
||||||
|
# else
|
||||||
|
# error "Unsupported value of CONFIG_KINETIS_FTM3_CHANNEL"
|
||||||
|
# endif
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Types
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
#ifndef __ASSEMBLY__
|
||||||
|
|
||||||
|
#undef EXTERN
|
||||||
|
#if defined(__cplusplus)
|
||||||
|
#define EXTERN extern "C"
|
||||||
|
extern "C"
|
||||||
|
{
|
||||||
|
#else
|
||||||
|
#define EXTERN extern
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: kinetis_pwminitialize
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Initialize one timer for use with the upper_level PWM driver.
|
||||||
|
*
|
||||||
|
* Input Parameters:
|
||||||
|
* timer - A number identifying the timer use.
|
||||||
|
*
|
||||||
|
* Returned Value:
|
||||||
|
* On success, a pointer to the kinetis lower half PWM driver is returned.
|
||||||
|
* NULL is returned on any failure.
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
FAR struct pwm_lowerhalf_s *kinetis_pwminitialize(int timer);
|
||||||
|
|
||||||
|
#undef EXTERN
|
||||||
|
#if defined(__cplusplus)
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* __ASSEMBLY__ */
|
||||||
|
#endif /* CONFIG_KINETIS_FTMx_PWM */
|
||||||
|
#endif /* __ARCH_ARM_SRC_KINETIS_KINETIS_PWM_H */
|
||||||
@@ -141,6 +141,28 @@
|
|||||||
#define BOARD_FLEXBUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV3)
|
#define BOARD_FLEXBUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV3)
|
||||||
#define BOARD_FLASHCLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV4)
|
#define BOARD_FLASHCLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV4)
|
||||||
|
|
||||||
|
/* PWM Configuration */
|
||||||
|
/* FTM0 Channels */
|
||||||
|
|
||||||
|
#define GPIO_FTM0_CH0OUT PIN_FTM0_CH0_2 /* Pin 22: PTC1 */
|
||||||
|
#define GPIO_FTM0_CH1OUT PIN_FTM0_CH1_2 /* Pin 23: PTC2 */
|
||||||
|
#define GPIO_FTM0_CH2OUT PIN_FTM0_CH2_2 /* Pin 9: PTC3 */
|
||||||
|
#define GPIO_FTM0_CH3OUT PIN_FTM0_CH3 /* Pin 10: PTC4 */
|
||||||
|
#define GPIO_FTM0_CH4OUT PIN_FTM0_CH4 /* Pin 6: PTD4 */
|
||||||
|
#define GPIO_FTM0_CH5OUT PIN_FTM0_CH5_2 /* Pin 20: PTD5 */
|
||||||
|
#define GPIO_FTM0_CH6OUT PIN_FTM0_CH6_2 /* Pin 21: PTD6 */
|
||||||
|
#define GPIO_FTM0_CH7OUT PIN_FTM0_CH7_2 /* Pin 5: PTD7 */
|
||||||
|
|
||||||
|
/* FTM1 Channels */
|
||||||
|
|
||||||
|
#define GPIO_FTM1_CH0OUT PIN_FTM1_CH0_1 /* Pin 3: PTA12 */
|
||||||
|
#define GPIO_FTM1_CH1OUT PIN_FTM1_CH1_1 /* Pin 4: PTA13 */
|
||||||
|
|
||||||
|
/* FTM2 Channels */
|
||||||
|
|
||||||
|
#define GPIO_FTM2_CH0OUT PIN_FTM2_CH0 /* Pin 25: PTB18 */
|
||||||
|
#define GPIO_FTM2_CH1OUT PIN_FTM2_CH1 /* Pin 32: PTB19 */
|
||||||
|
|
||||||
/* LED definitions ******************************************************************/
|
/* LED definitions ******************************************************************/
|
||||||
/* A single LED is available driven by PTC5. The LED is grounded so bringing PTC5
|
/* A single LED is available driven by PTC5. The LED is grounded so bringing PTC5
|
||||||
* high will illuminate the LED.
|
* high will illuminate the LED.
|
||||||
|
|||||||
@@ -1,7 +1,7 @@
|
|||||||
############################################################################
|
############################################################################
|
||||||
# configs/teensy-3.x/src/Makefile
|
# configs/teensy-3.x/src/Makefile
|
||||||
#
|
#
|
||||||
# Copyright (C) 2015 Gregory Nutt. All rights reserved.
|
# Copyright (C) 2015,2016 Gregory Nutt. All rights reserved.
|
||||||
# Author: Gregory Nutt <gnutt@nuttx.org>
|
# Author: Gregory Nutt <gnutt@nuttx.org>
|
||||||
#
|
#
|
||||||
# Redistribution and use in source and binary forms, with or without
|
# Redistribution and use in source and binary forms, with or without
|
||||||
@@ -51,4 +51,8 @@ ifeq ($(CONFIG_LIB_BOARDCTL),y)
|
|||||||
CSRCS += k20_appinit.c
|
CSRCS += k20_appinit.c
|
||||||
endif
|
endif
|
||||||
|
|
||||||
|
ifeq ($(CONFIG_PWM),y)
|
||||||
|
CSRCS += k20_pwm.c
|
||||||
|
endif
|
||||||
|
|
||||||
include $(TOPDIR)/configs/Board.mk
|
include $(TOPDIR)/configs/Board.mk
|
||||||
|
|||||||
@@ -0,0 +1,160 @@
|
|||||||
|
/************************************************************************************
|
||||||
|
* configs/teensy-3.x/src/k20_pwm.c
|
||||||
|
*
|
||||||
|
* Copyright (C) 2015,2016 Gregory Nutt. All rights reserved.
|
||||||
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||||
|
* Alan Carvalho de Assis <acassis@gmail.com>
|
||||||
|
*
|
||||||
|
* 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 <sys/types.h>
|
||||||
|
#include <errno.h>
|
||||||
|
#include <debug.h>
|
||||||
|
|
||||||
|
#include <nuttx/board.h>
|
||||||
|
#include <nuttx/pwm.h>
|
||||||
|
|
||||||
|
#include <arch/board/board.h>
|
||||||
|
|
||||||
|
#include "chip.h"
|
||||||
|
#include "up_arch.h"
|
||||||
|
#include "kinetis_pwm.h"
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
************************************************************************************/
|
||||||
|
/* Configuration *******************************************************************/
|
||||||
|
/* PWM
|
||||||
|
*
|
||||||
|
* The Kinetis Freedom board provides a LED on GPIO.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifdef CONFIG_PWM
|
||||||
|
|
||||||
|
extern struct pwm_lowerhalf_s *kinetis_pwminitialize(int timer);
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: board_pwm_setup
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* All Kinetis K20 architectures must provide the following interface to work with
|
||||||
|
* examples/pwm.
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
int board_pwm_setup(void)
|
||||||
|
{
|
||||||
|
static bool initialized = false;
|
||||||
|
struct pwm_lowerhalf_s *pwm;
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
/* Have we already initialized? */
|
||||||
|
|
||||||
|
if (!initialized)
|
||||||
|
{
|
||||||
|
/* Call kinetis_pwminitialize() to get an instance of the PWM interface */
|
||||||
|
#ifdef CONFIG_KINETIS_FTM0_PWM
|
||||||
|
pwm = kinetis_pwminitialize(0);
|
||||||
|
if (!pwm)
|
||||||
|
{
|
||||||
|
adbg("Failed to get the KL20 PWM lower half\n");
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Register the PWM driver at "/dev/pwm0" */
|
||||||
|
|
||||||
|
ret = pwm_register("/dev/pwm0", pwm);
|
||||||
|
if (ret < 0)
|
||||||
|
{
|
||||||
|
adbg("pwm_register failed: %d\n", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Now we are initialized */
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_KINETIS_FTM1_PWM
|
||||||
|
pwm = kinetis_pwminitialize(1);
|
||||||
|
if (!pwm)
|
||||||
|
{
|
||||||
|
adbg("Failed to get the KL20 PWM lower half\n");
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Register the PWM driver at "/dev/pwm1" */
|
||||||
|
|
||||||
|
ret = pwm_register("/dev/pwm1", pwm);
|
||||||
|
if (ret < 0)
|
||||||
|
{
|
||||||
|
adbg("pwm_register failed: %d\n", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Now we are initialized */
|
||||||
|
#endif
|
||||||
|
#ifdef CONFIG_KINETIS_FTM2_PWM
|
||||||
|
pwm = kinetis_pwminitialize(2);
|
||||||
|
if (!pwm)
|
||||||
|
{
|
||||||
|
adbg("Failed to get the KL20 PWM lower half\n");
|
||||||
|
return -ENODEV;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Register the PWM driver at "/dev/pwm2" */
|
||||||
|
|
||||||
|
ret = pwm_register("/dev/pwm2", pwm);
|
||||||
|
if (ret < 0)
|
||||||
|
{
|
||||||
|
adbg("pwm_register failed: %d\n", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Now we are initialized */
|
||||||
|
#endif
|
||||||
|
initialized = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif /* CONFIG_PWM */
|
||||||
Reference in New Issue
Block a user