Freedom KL25Z: Add PWM support. From Alan Carvalho de Assis
This commit is contained in:
Gregory Nutt
parent
c9d3cdb85e
commit
f7f5923d9d
@ -6015,3 +6015,5 @@
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driver application. (2013-11-10).
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* arch/arm/src/kl/kl_pwm.c and .h: PWM driver for the Freescale
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Kinetis KL family from Alan Carvalho de Assis (2013-11-10).
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* configs/freedom-kl25z: Add PWM support. From Alan Carvalho de Assis
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(2013-11-10).
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@ -133,6 +133,26 @@
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# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15)
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#endif
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/* PWM Configuration */
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/* TPM0 Channels */
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#define GPIO_TPM0_CH0OUT PIN_TPM0_CH0_3 //PIN_TPM0_CH0_1
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#define GPIO_TPM0_CH1OUT PIN_TPM0_CH1_1
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#define GPIO_TPM0_CH2OUT PIN_TPM0_CH2_1
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#define GPIO_TPM0_CH3OUT PIN_TPM0_CH3_1
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#define GPIO_TPM0_CH4OUT PIN_TPM0_CH4_1
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#define GPIO_TPM0_CH5OUT PIN_TPM0_CH5_1
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/* TPM1 Channels */
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#define GPIO_TPM1_CH0OUT PIN_TPM1_CH0_1
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#define GPIO_TPM1_CH1OUT PIN_TPM1_CH1_1
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/* TPM2 Channels */
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#define GPIO_TPM1_CH0OUT PIN_TPM2_CH0_1
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#define GPIO_TPM1_CH1OUT PIN_TPM2_CH1_1
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/* LED definitions ******************************************************************/
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/* The Freedom KL25Z has a single RGB LED driven by the KL25Z as follows:
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*
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@ -39,6 +39,7 @@ CONFIG_RAW_BINARY=y
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# Debug Options
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#
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# CONFIG_DEBUG is not set
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CONFIG_ARCH_HAVE_STACKCHECK=y
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# CONFIG_DEBUG_SYMBOLS is not set
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#
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@ -95,10 +96,10 @@ CONFIG_ARCH_HAVE_CMNVECTOR=y
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#
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# ARMV6M Configuration Options
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#
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CONFIG_ARMV6M_TOOLCHAIN_BUILDROOT=y
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# CONFIG_ARMV6M_TOOLCHAIN_BUILDROOT is not set
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# CONFIG_ARMV6M_TOOLCHAIN_CODEREDL is not set
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# CONFIG_ARMV6M_TOOLCHAIN_CODESOURCERYL is not set
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# CONFIG_ARMV6M_TOOLCHAIN_GNU_EABIL is not set
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CONFIG_ARMV6M_TOOLCHAIN_GNU_EABIL=y
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# CONFIG_GPIO_IRQ is not set
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#
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@ -129,7 +130,9 @@ CONFIG_KL_UART0=y
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# CONFIG_KL_ADC1 is not set
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# CONFIG_KL_CMP is not set
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# CONFIG_KL_VREF is not set
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# CONFIG_KL_TPM0 is not set
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CONFIG_KL_TPM0=y
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CONFIG_KL_TPM0_PWM=y
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CONFIG_KL_TPM0_CHANNEL=0
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# CONFIG_KL_TPM1 is not set
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# CONFIG_KL_TPM2 is not set
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# CONFIG_KL_LPTIMER is not set
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@ -280,7 +283,8 @@ CONFIG_DEV_NULL=y
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# CONFIG_LOOP is not set
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# CONFIG_RAMDISK is not set
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# CONFIG_CAN is not set
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# CONFIG_PWM is not set
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CONFIG_PWM=y
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# CONFIG_PWM_PULSECOUNT is not set
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# CONFIG_I2C is not set
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# CONFIG_SPI is not set
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# CONFIG_RTC is not set
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@ -440,8 +444,6 @@ CONFIG_BUILTIN_PROXY_STACKSIZE=1024
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#
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# CONFIG_EXAMPLES_BUTTONS is not set
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# CONFIG_EXAMPLES_CAN is not set
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# CONFIG_EXAMPLES_CC3000BASIC is not set
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# CONFIG_SYSTEM_COMPOSITE is not set
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# CONFIG_EXAMPLES_DHCPD is not set
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# CONFIG_EXAMPLES_ELF is not set
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# CONFIG_EXAMPLES_FTPC is not set
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@ -470,6 +472,11 @@ CONFIG_EXAMPLES_NSH=y
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# CONFIG_EXAMPLES_OSTEST is not set
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# CONFIG_EXAMPLES_PASHELLO is not set
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# CONFIG_EXAMPLES_PIPE is not set
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CONFIG_EXAMPLES_PWM=y
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CONFIG_EXAMPLES_PWM_DEVPATH="/dev/pwm0"
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CONFIG_EXAMPLES_PWM_FREQUENCY=100
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CONFIG_EXAMPLES_PWM_DUTYPCT=50
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CONFIG_EXAMPLES_PWM_DURATION=5
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# CONFIG_EXAMPLES_POSIXSPAWN is not set
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# CONFIG_EXAMPLES_QENCODER is not set
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# CONFIG_EXAMPLES_RGMP is not set
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@ -487,7 +494,6 @@ CONFIG_EXAMPLES_NSH=y
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# CONFIG_EXAMPLES_UDP is not set
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# CONFIG_EXAMPLES_UIP is not set
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# CONFIG_EXAMPLES_USBSERIAL is not set
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# CONFIG_SYSTEM_USBMSC is not set
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# CONFIG_EXAMPLES_USBTERM is not set
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# CONFIG_EXAMPLES_WATCHDOG is not set
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@ -537,11 +543,13 @@ CONFIG_NSH_BUILTIN_APPS=y
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#
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# Disable Individual commands
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#
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# CONFIG_NSH_DISABLE_ADDROUTE is not set
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# CONFIG_NSH_DISABLE_CAT is not set
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CONFIG_NSH_DISABLE_CD=y
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CONFIG_NSH_DISABLE_CP=y
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# CONFIG_NSH_DISABLE_CMP is not set
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CONFIG_NSH_DISABLE_DD=y
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# CONFIG_NSH_DISABLE_DELROUTE is not set
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# CONFIG_NSH_DISABLE_ECHO is not set
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# CONFIG_NSH_DISABLE_EXEC is not set
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# CONFIG_NSH_DISABLE_EXIT is not set
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@ -605,6 +613,14 @@ CONFIG_NSH_CONSOLE=y
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# System NSH Add-Ons
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#
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#
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# USB CDC/ACM Device Commands
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#
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#
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# USB Composite Device Commands
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#
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#
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# Custom Free Memory Command
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#
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@ -658,6 +674,14 @@ CONFIG_READLINE_ECHO=y
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# USB Monitor
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#
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#
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# Stack Monitor
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#
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#
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# USB Mass Storage Device Commands
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#
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#
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# Zmodem Commands
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#
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@ -67,7 +67,7 @@ CSRCS += kl_usb.c
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endif
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ifeq ($(CONFIG_PWM),y)
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CSRCS += kl_pwm.c
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CSRCS += up_pwm.c
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endif
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ifeq ($(CONFIG_QENCODER),y)
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120
configs/freedom-kl25z/src/up_pwm.c
Normal file
120
configs/freedom-kl25z/src/up_pwm.c
Normal file
@ -0,0 +1,120 @@
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/************************************************************************************
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* configs/freedom-kl25z/src/up_pwm.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Alan Carvalho de Assis <acassis@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/pwm.h>
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#include <sys/types.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "up_arch.h"
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#include "kl_pwm.h"
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* Configuration *******************************************************************/
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/* PWM
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*
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* The Kinetis Freedom board provides a LED on GPIO.
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*/
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#ifdef CONFIG_PWM
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extern struct pwm_lowerhalf_s *kl_pwminitialize(int timer);
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: pwm_devinit
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*
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* Description:
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* All Kinetis KL architectures must provide the following interface to work with
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* examples/pwm.
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*
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************************************************************************************/
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int pwm_devinit(void)
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{
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static bool initialized = false;
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struct pwm_lowerhalf_s *pwm;
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int ret;
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/* Have we already initialized? */
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if (!initialized)
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{
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/* Call kl_pwminitialize() to get an instance of the PWM interface */
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pwm = kl_pwminitialize(0);
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if (!pwm)
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{
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adbg("Failed to get the KL25 PWM lower half\n");
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return -ENODEV;
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}
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/* Register the PWM driver at "/dev/pwm0" */
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ret = pwm_register("/dev/pwm0", pwm);
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if (ret < 0)
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{
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adbg("pwm_register failed: %d\n", ret);
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return ret;
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}
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/* Now we are initialized */
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initialized = true;
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}
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return OK;
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}
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#endif /* CONFIG_PWM */
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