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stm32h7/linum-stm32h753bi: Add buzzer support

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Signed-off-by: Jorge Guzman <jorge.gzm@gmail.com>
This commit is contained in:
Jorge Guzman
2024-03-16 10:15:37 -03:00
committed by Xiang Xiao
parent a7ba822389
commit 8e0bf9a0b4
10 changed files with 269 additions and 45 deletions
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Documentation/platforms/arm/stm32h7/boards/linum-stm32h753bi/index.rst
+59 -43
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@@ -49,6 +49,8 @@ Expansion connector 2 features.
- 6 PWM Channels
- 10 ADCs
Board documentation: https://wittetech.com/
LEDs
====
@@ -301,42 +303,37 @@ LCD
=======
The LINUM-STM32H753BI use the LTDC to support one LCD with RGB connection.
=========== =====
LTDC PINS
=========== =====
LTDC_B0 PF0
LTDC_B1 PJ13
LTDC_B2 PJ14
LTDC_B3 PJ15
LTDC_B4 PK3
LTDC_B5 PK4
LTDC_B6 PK5
LTDC_B7 PK6
LTDC_CLK PI14
LTDC_DE PK7
LTDC_G0 PJ7
LTDC_G1 PJ8
LTDC_G2 PJ9
LTDC_G3 PJ10
LTDC_G4 PJ11
LTDC_G5 PK0
LTDC_G6 PK1
LTDC_G7 PK2
LTDC_HSYNC PI10
LTDC_R0 PI15
LTDC_R1 PJ0
LTDC_R2 PJ1
LTDC_R3 PJ2
LTDC_R4 PJ3
LTDC_R5 PJ4
LTDC_R6 PJ5
LTDC_R7 PJ6
LTDC_VSYNC PI9
=========== =====
============= =====
PWM PINS
LTDC PINS
============= =====
LTDC_B0 PF0
LTDC_B1 PJ13
LTDC_B2 PJ14
LTDC_B3 PJ15
LTDC_B4 PK3
LTDC_B5 PK4
LTDC_B6 PK5
LTDC_B7 PK6
LTDC_CLK PI14
LTDC_DE PK7
LTDC_G0 PJ7
LTDC_G1 PJ8
LTDC_G2 PJ9
LTDC_G3 PJ10
LTDC_G4 PJ11
LTDC_G5 PK0
LTDC_G6 PK1
LTDC_G7 PK2
LTDC_HSYNC PI10
LTDC_R0 PI15
LTDC_R1 PJ0
LTDC_R2 PJ1
LTDC_R3 PJ2
LTDC_R4 PJ3
LTDC_R5 PJ4
LTDC_R6 PJ5
LTDC_R7 PJ6
LTDC_VSYNC PI9
PWM_BACKLIGHT PH6
============= =====
@@ -352,15 +349,15 @@ The LINUM-STM32H753BI has one I2S output.
I2S2_SDO PI3
======== =====
BUZZER
PWM
=======
The LINUM-STM32H753BI has a buzzer without internal oscillator
The LINUM-STM32H753BI has a buzzer without internal oscillator connected to PB7
======= =====
GPIO PINS
======= =====
BUZZER PC13
======= =====
========= =====
GPIO PINS
========= =====
BUZZER PB7
========= =====
==============
@@ -451,10 +448,29 @@ The SD card can then be mounted by the NSH commands::
eeprom
------
Use dd command to write and read data from EEPROM as below:::
Use **dd** command to write and read data from EEPROM as below:::
nsh> dd if=/dev/console of=/dev/eeprom bs=1 count=35
Witte-Tech Linum-STM32H753BI board
nsh> dd if=/dev/eeprom of=/dev/console bs=4 count=35
Witte-Tech Linum-STM32H753BI board
nsh>
nsh>
buzzer
------
This example use the timer 4 with channel 2 to generate a PWM output signal on buzzer pin::
nsh> ls /dev
/dev:
console
null
pwm0
rtc0
ttyS0
nsh> pwm -d 75 -t 3
pwm_main: starting output with frequency: 100 duty: 0000bfff
pwm_main: stopping output
nsh> pwm -f 300 -t 3
pwm_main: starting output with frequency: 300 duty: 0000bfff
pwm_main: stopping output
arch/arm/src/stm32/stm32_pwm.c
+1 -1
View File
@@ -247,7 +247,7 @@
# define TIMRST_TIM16 RCC_APB1RSTR_TIM16RST
# define TIMCLK_TIM17 STM32_APB1_TIM17_CLKIN
# define TIMRCCEN_TIM17 STM32_RCC_APB1ENR
# define TIMEN_TIM17 RCC_APB1ENR_TIM71EN
# define TIMEN_TIM17 RCC_APB1ENR_TIM17EN
# define TIMRCCRST_TIM17 STM32_RCC_APB1RSTR
# define TIMRST_TIM17 RCC_APB1RSTR_TIM17RST
#endif
arch/arm/src/stm32h7/stm32_pwm.c
+1 -1
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@@ -145,7 +145,7 @@
#define TIMRST_TIM16 RCC_APB2RSTR_TIM16RST
#define TIMCLK_TIM17 STM32_APB2_TIM17_CLKIN
#define TIMRCCEN_TIM17 STM32_RCC_APB2ENR
#define TIMEN_TIM17 RCC_APB2ENR_TIM71EN
#define TIMEN_TIM17 RCC_APB2ENR_TIM17EN
#define TIMRCCRST_TIM17 STM32_RCC_APB2RSTR
#define TIMRST_TIM17 RCC_APB2RSTR_TIM17RST
boards/arm/stm32h7/linum-stm32h753bi/configs/buzzer/defconfig
+61
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@@ -0,0 +1,61 @@
#
# This file is autogenerated: PLEASE DO NOT EDIT IT.
#
# You can use "make menuconfig" to make any modifications to the installed .config file.
# You can then do "make savedefconfig" to generate a new defconfig file that includes your
# modifications.
#
# CONFIG_NSH_DISABLE_IFCONFIG is not set
# CONFIG_NSH_DISABLE_PS is not set
# CONFIG_STANDARD_SERIAL is not set
# CONFIG_STM32H7_USE_LEGACY_PINMAP is not set
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="linum-stm32h753bi"
CONFIG_ARCH_BOARD_LINUM_STM32H753BI=y
CONFIG_ARCH_CHIP="stm32h7"
CONFIG_ARCH_CHIP_STM32H753BI=y
CONFIG_ARCH_CHIP_STM32H7=y
CONFIG_ARCH_CHIP_STM32H7_CORTEXM7=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARMV7M_DCACHE=y
CONFIG_ARMV7M_DCACHE_WRITETHROUGH=y
CONFIG_ARMV7M_DTCM=y
CONFIG_ARMV7M_ICACHE=y
CONFIG_BOARD_LOOPSPERMSEC=43103
CONFIG_BUILTIN=y
CONFIG_DEBUG_FEATURES=y
CONFIG_DEBUG_SYMBOLS=y
CONFIG_EXAMPLES_ALARM=y
CONFIG_EXAMPLES_PWM=y
CONFIG_INIT_ENTRYPOINT="nsh_main"
CONFIG_INTELHEX_BINARY=y
CONFIG_LIBM=y
CONFIG_MM_REGIONS=4
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_FILEIOSIZE=512
CONFIG_NSH_LINELEN=64
CONFIG_NSH_READLINE=y
CONFIG_PREALLOC_TIMERS=4
CONFIG_PWM=y
CONFIG_RAM_SIZE=245760
CONFIG_RAM_START=0x20010000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_RTC_ALARM=y
CONFIG_RTC_DATETIME=y
CONFIG_RTC_DRIVER=y
CONFIG_SCHED_WAITPID=y
CONFIG_START_DAY=6
CONFIG_START_MONTH=12
CONFIG_START_YEAR=2011
CONFIG_STM32H7_PWR=y
CONFIG_STM32H7_RTC=y
CONFIG_STM32H7_TIM4=y
CONFIG_STM32H7_TIM4_CH2OUT=y
CONFIG_STM32H7_TIM4_CHANNEL=2
CONFIG_STM32H7_TIM4_PWM=y
CONFIG_STM32H7_USART1=y
CONFIG_SYSTEM_NSH=y
CONFIG_TASK_NAME_SIZE=0
CONFIG_USART1_SERIAL_CONSOLE=y
boards/arm/stm32h7/linum-stm32h753bi/include/board.h
+5
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@@ -396,6 +396,11 @@
#define GPIO_I2C3_SCL (GPIO_I2C3_SCL_2 | GPIO_SPEED_100MHz) /* PH7 */
#define GPIO_I2C3_SDA (GPIO_I2C3_SDA_2 | GPIO_SPEED_100MHz) /* PH8 */
/* PWM - Buzzer */
#define GPIO_TIM17_CH1OUT (GPIO_TIM17_CH1NOUT_1) /* PB7 */
#define GPIO_TIM4_CH2OUT (GPIO_TIM4_CH2OUT_1) /* PB7 */
/****************************************************************************
* Public Data
****************************************************************************/
boards/arm/stm32h7/linum-stm32h753bi/src/CMakeLists.txt
+4
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@@ -48,6 +48,10 @@ if(CONFIG_I2C_EE_24XX)
list(APPEND SRCS stm32_at24.c)
endif()
if(CONFIG_PWM)
list(APPEND SRCS stm32_pwm.c)
endif()
target_sources(board PRIVATE ${SRCS})
set_property(GLOBAL PROPERTY LD_SCRIPT "${NUTTX_BOARD_DIR}/scripts/flash.ld")
boards/arm/stm32h7/linum-stm32h753bi/src/Makefile
+4
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@@ -46,6 +46,10 @@ ifeq ($(CONFIG_I2C_EE_24XX),y)
CSRCS += stm32_at24.c
endif
ifeq ($(CONFIG_PWM),y)
CSRCS += stm32_pwm.c
endif
ifeq ($(CONFIG_BOARDCTL),y)
CSRCS += stm32_appinitialize.c
endif
boards/arm/stm32h7/linum-stm32h753bi/src/linum-stm32h753bi.h
+16
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@@ -99,6 +99,10 @@
#define SDIO_SLOTNO 0
#define SDIO_MINOR 0
/* PWM */
#define BUZZER_PWMTIMER 4
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
@@ -172,4 +176,16 @@ int stm32_sdio_initialize(void);
int stm32_at24_init(char *path);
#endif
/****************************************************************************
* Name: stm32_pwm_setup
*
* Description:
* Initialize PWM and register the PWM device.
*
****************************************************************************/
#ifdef CONFIG_PWM
int stm32_pwm_setup(void);
#endif
#endif /* __BOARDS_ARM_STM32H7_LINUM_STM32H753BI_SRC_LINUM_STM32H753BI_H */
boards/arm/stm32h7/linum-stm32h753bi/src/stm32_bringup.c
+10
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@@ -208,5 +208,15 @@ int stm32_bringup(void)
}
#endif
#ifdef CONFIG_PWM
/* Initialize PWM and register the PWM device. */
ret = stm32_pwm_setup();
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_pwm_setup() failed: %d\n", ret);
}
#endif
return OK;
}
boards/arm/stm32h7/linum-stm32h753bi/src/stm32_pwm.c
+108
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@@ -0,0 +1,108 @@
/****************************************************************************
* boards/arm/stm32h7/linum-stm32h753bi/src/stm32_pwm.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/timers/pwm.h>
#include <arch/board/board.h>
#include "chip.h"
#include "arm_internal.h"
#include "stm32_pwm.h"
#include "linum-stm32h753bi.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#define HAVE_PWM 1
#ifndef CONFIG_PWM
# undef HAVE_PWM
#endif
#ifndef CONFIG_STM32H7_TIM4
# undef HAVE_PWM
#endif
#ifndef CONFIG_STM32H7_TIM4_PWM
# undef HAVE_PWM
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_pwm_setup
*
* Description:
* Initialize PWM and register the PWM device.
*
****************************************************************************/
int stm32_pwm_setup(void)
{
#ifdef HAVE_PWM
static bool initialized = false;
struct pwm_lowerhalf_s *pwm;
int ret;
/* Have we already initialized? */
if (!initialized)
{
/* Get an instance of the PWM interface */
pwm = stm32_pwminitialize(BUZZER_PWMTIMER);
if (!pwm)
{
tmrerr("ERROR: Failed to get the STM32 PWM lower half\n");
return -ENODEV;
}
/* Register the PWM driver at "/dev/pwm0" */
ret = pwm_register("/dev/pwm0", pwm);
if (ret < 0)
{
tmrerr("ERROR: pwm_register failed: %d\n", ret);
return ret;
}
/* Now we are initialized */
initialized = true;
}
return OK;
#else
return -ENODEV;
#endif
}