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https://github.com/apache/nuttx.git
synced 2026-06-06 08:36:24 +08:00
boards/arm/stm32/nucleo-f446re: added support for PWM
Signed-off-by: Michal Lenc <michallenc@seznam.cz>
This commit is contained in:
Michal Lenc
committed by
Alan Carvalho de Assis
Alan Carvalho de Assis
parent
4f08f43a6d
commit
2dcd41f2ab
@@ -559,21 +559,6 @@ Configurations
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Functionality of CAN driver can be tested by calling application
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"can" in NuttShell. This application sends 100 messages over CAN 1.
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lcd:
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----
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This is basically an nsh configuration (see above) with added support
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of ILI9225 176x220 TFT display and test framebuffer application.
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Display connection is set to SPI 3 and pinout is following:
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CS D8
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RST D6
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RS D7
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SDA D4
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CLK D3
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Framebuffer application can be started from terminal by typing "fb".
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ihm08m1_f32 and ihm08m1_b16:
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----------------------------
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@@ -637,3 +622,24 @@ Configurations
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VBUS_RATIO = 1/VBUS_gain = 19.152
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For now only 3-shunt resistors configuration is supported.
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lcd:
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----
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This is basically an nsh configuration (see above) with added support
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of ILI9225 176x220 TFT display and test framebuffer application.
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Display connection is set to SPI 3 and pinout is following:
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CS D8
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RST D6
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RS D7
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SDA D4
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CLK D3
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Framebuffer application can be started from terminal by typing "fb".
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pwm:
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----
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This is an nsh configuration (see above) with added capability of pulse width
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modulation. PWM output is on Timer 3 channel 1, which is pin PA_6 (D12) on
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Nucleo board. Example program can be stared by "pwm" command.
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@@ -0,0 +1,60 @@
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#
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# This file is autogenerated: PLEASE DO NOT EDIT IT.
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#
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# You can use "make menuconfig" to make any modifications to the installed .config file.
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# You can then do "make savedefconfig" to generate a new defconfig file that includes your
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# modifications.
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#
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# CONFIG_ARCH_FPU is not set
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# CONFIG_NSH_ARGCAT is not set
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_CMDPARMS is not set
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# CONFIG_NSH_DISABLE_IFCONFIG is not set
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# CONFIG_NSH_DISABLE_PS is not set
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# CONFIG_STM32_FLASH_PREFETCH is not set
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CONFIG_ARCH="arm"
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CONFIG_ARCH_BOARD="nucleo-f446re"
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CONFIG_ARCH_BOARD_NUCLEO_F446RE=y
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CONFIG_ARCH_BUTTONS=y
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CONFIG_ARCH_CHIP="stm32"
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CONFIG_ARCH_CHIP_STM32=y
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CONFIG_ARCH_CHIP_STM32F446R=y
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CONFIG_ARCH_INTERRUPTSTACK=2048
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_BOARD_LATE_INITIALIZE=y
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CONFIG_BOARD_LOOPSPERMSEC=8499
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CONFIG_BUILTIN=y
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CONFIG_EXAMPLES_PWM=y
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CONFIG_EXAMPLES_PWM_DEVPATH="/dev/pwm2"
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_INTELHEX_BINARY=y
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CONFIG_MAX_TASKS=16
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CONFIG_NSH_BUILTIN_APPS=y
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_LINELEN=64
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CONFIG_NSH_READLINE=y
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PWM=y
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CONFIG_RAM_SIZE=131072
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CONFIG_RAM_START=0x20000000
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CONFIG_RAW_BINARY=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_SDCLONE_DISABLE=y
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CONFIG_START_DAY=14
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CONFIG_START_MONTH=10
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CONFIG_START_YEAR=2014
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CONFIG_STM32_CRC=y
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CONFIG_STM32_JTAG_SW_ENABLE=y
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CONFIG_STM32_OTGFS=y
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CONFIG_STM32_PWR=y
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CONFIG_STM32_TIM3=y
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CONFIG_STM32_TIM3_CH1OUT=y
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CONFIG_STM32_TIM3_PWM=y
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CONFIG_STM32_USART2=y
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CONFIG_SYSTEM_NSH=y
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CONFIG_TASK_NAME_SIZE=0
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CONFIG_TESTING_OSTEST=y
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CONFIG_USART2_SERIAL_CONSOLE=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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@@ -380,6 +380,9 @@
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#define GPIO_TIM2_CH1IN (GPIO_TIM2_CH1IN_1 | GPIO_PULLUP)
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#define GPIO_TIM2_CH2IN (GPIO_TIM2_CH2IN_1 | GPIO_PULLUP)
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/* TIM3 configuration *******************************************************/
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#define GPIO_TIM3_CH1OUT GPIO_TIM3_CH1OUT_1
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#ifdef CONFIG_BOARD_STM32_IHM08M1
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/* Configuration specific to the X-NUCLEO-IHM08M1 expansion board with
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@@ -49,6 +49,10 @@ ifeq ($(CONFIG_CAN),y)
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CSRCS += stm32_can.c
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endif
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ifeq ($(CONFIG_STM32_PWM),y)
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CSRCS += stm32_pwm.c
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endif
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ifeq ($(CONFIG_LIB_BOARDCTL),y)
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CSRCS += stm32_appinit.c
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endif
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@@ -330,4 +330,19 @@ int board_ajoy_initialize(void);
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int stm32_foc_setup(void);
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#endif
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/****************************************************************************
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* Name: stm32_pwm_setup
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*
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* Description:
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* Initialize PWM and register the PWM device.
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*
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* Return Value:
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* OK on success; a negated errno value on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_PWM
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int stm32_pwm_setup(void);
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#endif
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#endif /* __BOARDS_ARM_STM32_NUCLEO_F401RE_SRC_NUCLEO_F446RE_H */
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@@ -182,5 +182,15 @@ int stm32_bringup(void)
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}
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#endif
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#ifdef CONFIG_PWM
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/* Initialize PWM and register the PWM device */
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ret = stm32_pwm_setup();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32_pwm_setup() failed: %d\n", ret);
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}
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#endif
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return ret;
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}
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@@ -0,0 +1,132 @@
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/****************************************************************************
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* boards/arm/stm32/nucleo-f446re/src/stm32_pwm.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 <sys/types.h>
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#include <nuttx/board.h>
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#include <nuttx/timers/pwm.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "arm_arch.h"
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#include "stm32_pwm.h"
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#include "nucleo-f446re.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32_pwm_setup
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*
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* Description:
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* Initialize PWM and register the PWM device.
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*
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* Return Value:
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* OK on success; a negated errno value on failure.
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*
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****************************************************************************/
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int stm32_pwm_setup(void)
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{
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#ifdef CONFIG_PWM
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struct pwm_lowerhalf_s *pwm;
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int ret;
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/* Call stm32_pwminitialize() to get an instance of the PWM interface */
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#if defined(CONFIG_STM32_TIM1_PWM)
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pwm = stm32_pwminitialize(1);
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if (!pwm)
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{
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pwmerr("ERROR: Failed to get the STM32 PWM lower half\n");
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return -ENODEV;
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}
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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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pwmerr("ERROR: pwm_register failed: %d\n", ret);
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return ret;
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}
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#endif
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#if defined(CONFIG_STM32_TIM2_PWM)
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pwm = stm32_pwminitialize(2);
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if (!pwm)
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{
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pwmerr("ERROR: Failed to get the STM32 PWM lower half\n");
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return -ENODEV;
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}
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ret = pwm_register("/dev/pwm1", pwm);
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if (ret < 0)
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{
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pwmerr("ERROR: pwm_register failed: %d\n", ret);
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return ret;
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}
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#endif
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#if defined(CONFIG_STM32_TIM3_PWM)
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pwm = stm32_pwminitialize(3);
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if (!pwm)
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{
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pwmerr("ERROR: Failed to get the STM32 PWM lower half\n");
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return -ENODEV;
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}
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ret = pwm_register("/dev/pwm2", pwm);
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if (ret < 0)
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{
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pwmerr("ERROR: pwm_register failed: %d\n", ret);
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return ret;
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}
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#endif
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#if defined(CONFIG_STM32_TIM4_PWM)
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pwm = stm32_pwminitialize(4);
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if (!pwm)
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{
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pwmerr("ERROR: Failed to get the STM32 PWM lower half\n");
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return -ENODEV;
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}
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ret = pwm_register("/dev/pwm3", pwm);
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if (ret < 0)
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{
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pwmerr("ERROR: pwm_register failed: %d\n", ret);
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return ret;
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}
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#endif
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return OK;
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#else
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return -ENODEV;
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#endif
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}
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