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stm32f103-minimum: Adds custom initializing for sensors

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This adds initializing for the following sensor types:
- HYT271 humidity and temperature sensor
- DS18B20 temperature sensor

Signed-off-by: Marco Krahl <ocram.lhark@gmail.com>
This commit is contained in:
Marco Krahl 2021-03-17 22:50:01 +01:00 committed by Xiang Xiao
parent 9f9d266f68
commit aea0135273
7 changed files with 616 additions and 0 deletions
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52
boards/arm/stm32/stm32f103-minimum/README.txt
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@ -17,6 +17,8 @@ Contents
- SDCard support
- SPI NOR Flash
- Nokia 5110 LCD Display support
- HYT271 sensor
- DS18B20 sensor
- USB Console support
- STM32F103 Minimum - specific Configuration Options
- Configurations
@ -494,6 +496,56 @@ Nokia 5110 LCD Display support:
nsh> nxhello
HYT271 sensor support:
======================
The existing sensor configuration allows connecting several sensors of type
hyt271 on i2c bus number 2. For full feature support, be able to change the
i2c address of the sensor, the following hardware setup is necessary.
---------- -----------
| |------ GND ------------------------ GND ----| |
| | | |
| | | |
| | | |
| |---- POWIN A00 ------. | |
| | | | |
| | 4.7k | |
| | | | |
| STM32 |--- POWOUT A01 ------.------.------ VDD ----| HYT271 |
| | | | | |
| | 2.2k | | |
| | | | | |
| |----- SDA2 B11 ------.---- | ----- SDA ----| |
| | | | |
| | 2.2k | |
| | | | |
| |----- SCL2 B10 -------------.------ SCL ----| |
| | | |
--------- -----------
DS18B20 sensor support:
======================
The existing sensor configuration allows connecting several sensors of type
ds18b20 on 1wire bus number 2. The following hardware setup is necessary.
--------- -----------
| |------ GND ----------.------------- GND ----| |
| | | |
| | | |
| | | |
| |------ VDD ----------.------------- VDD ----| |
| STM32 | | | DS18B20 |
| | 4.7k | |
| | | | |
| |----- TX2 A02 -------.------.------- DQ ----| |
| | | |
-------- -----------
USB Console support:
====================

87
boards/arm/stm32/stm32f103-minimum/configs/sensors/defconfig Normal file
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@ -0,0 +1,87 @@
#
# 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_DEV_CONSOLE is not set
# CONFIG_DISABLE_OS_API is not set
# CONFIG_NSH_DISABLEBG is not set
# CONFIG_NSH_DISABLESCRIPT is not set
# CONFIG_NSH_DISABLE_EXEC is not set
# CONFIG_NSH_DISABLE_EXIT is not set
# CONFIG_NSH_DISABLE_MB is not set
# CONFIG_NSH_DISABLE_MH is not set
# CONFIG_NSH_DISABLE_MW is not set
# CONFIG_NSH_DISABLE_PS is not set
CONFIG_1WIRE_DS28E17=y
CONFIG_ARCH="arm"
CONFIG_ARCH_BOARD="stm32f103-minimum"
CONFIG_ARCH_BOARD_STM32F103_MINIMUM=y
CONFIG_ARCH_CHIP="stm32"
CONFIG_ARCH_CHIP_STM32=y
CONFIG_ARCH_CHIP_STM32F103C8=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_BOARDCTL_MKRD=y
CONFIG_BOARDCTL_USBDEVCTRL=y
CONFIG_BOARD_LOOPSPERMSEC=5483
CONFIG_BUILTIN=y
CONFIG_CDCACM=y
CONFIG_CDCACM_CONSOLE=y
CONFIG_CDCACM_RXBUFSIZE=256
CONFIG_CDCACM_TXBUFSIZE=256
CONFIG_DEFAULT_SMALL=y
CONFIG_I2C=y
CONFIG_I2C_DRIVER=y
CONFIG_I2C_RESET=y
CONFIG_LIBC_FLOATINGPOINT=y
CONFIG_MAX_TASKS=16
CONFIG_NSH_ARCHINIT=y
CONFIG_NSH_BUILTIN_APPS=y
CONFIG_NSH_DISABLE_CP=y
CONFIG_NSH_DISABLE_EXPORT=y
CONFIG_NSH_DISABLE_MKDIR=y
CONFIG_NSH_DISABLE_MOUNT=y
CONFIG_NSH_DISABLE_MV=y
CONFIG_NSH_DISABLE_RM=y
CONFIG_NSH_DISABLE_RMDIR=y
CONFIG_NSH_DISABLE_SET=y
CONFIG_NSH_DISABLE_SLEEP=y
CONFIG_NSH_DISABLE_SOURCE=y
CONFIG_NSH_DISABLE_TELNETD=y
CONFIG_NSH_DISABLE_TEST=y
CONFIG_NSH_DISABLE_UMOUNT=y
CONFIG_NSH_DISABLE_UNSET=y
CONFIG_NSH_DISABLE_USLEEP=y
CONFIG_NSH_FILEIOSIZE=1024
CONFIG_NSH_LINELEN=80
CONFIG_PREALLOC_TIMERS=4
CONFIG_RAM_SIZE=20480
CONFIG_RAM_START=0x20000000
CONFIG_RAW_BINARY=y
CONFIG_RR_INTERVAL=200
CONFIG_SCHED_WAITPID=y
CONFIG_SDCLONE_DISABLE=y
CONFIG_SENSORS=y
CONFIG_SENSORS_DS18B20=y
CONFIG_SENSORS_DS18B20_POLL=y
CONFIG_SENSORS_HYT271=y
CONFIG_SENSORS_HYT271_POLL=y
CONFIG_SERIAL_TERMIOS=y
CONFIG_START_DAY=5
CONFIG_START_MONTH=7
CONFIG_START_YEAR=2011
CONFIG_STM32_I2C2=y
CONFIG_STM32_JTAG_FULL_ENABLE=y
CONFIG_STM32_TIM1=y
CONFIG_STM32_TIM2=y
CONFIG_STM32_USART1=y
CONFIG_STM32_USART2=y
CONFIG_STM32_USART2_1WIREDRIVER=y
CONFIG_STM32_USART_SINGLEWIRE=y
CONFIG_STM32_USB=y
CONFIG_SYMTAB_ORDEREDBYNAME=y
CONFIG_SYSTEM_NSH=y
CONFIG_TASK_NAME_SIZE=0
CONFIG_USER_ENTRYPOINT="nsh_main"

8
boards/arm/stm32/stm32f103-minimum/src/Make.defs
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@ -51,6 +51,14 @@ ifeq ($(CONFIG_PWM),y)
CSRCS += stm32_pwm.c
endif
ifeq ($(CONFIG_SENSORS_HYT271),y)
CSRCS += stm32_hyt271.c
endif
ifeq ($(CONFIG_SENSORS_DS18B20),y)
CSRCS += stm32_ds18b20.c
endif
ifeq ($(CONFIG_RGBLED),y)
CSRCS += stm32_rgbled.c
endif

40
boards/arm/stm32/stm32f103-minimum/src/stm32_bringup.c
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@ -122,6 +122,14 @@
#include "board_qencoder.h"
#endif
#ifdef CONFIG_SENSORS_HYT271
# define HAVE_SENSORS_DEVICE
#endif
#ifdef CONFIG_SENSORS_DS18B20
# define HAVE_SENSORS_DEVICE
#endif
#ifdef CONFIG_LCD_BACKPACK
#include "stm32_lcd_backpack.h"
#endif
@ -168,6 +176,10 @@
* Private Data
****************************************************************************/
#ifdef HAVE_SENSORS_DEVICE
static int g_sensor_devno;
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
@ -328,6 +340,34 @@ int stm32_bringup(void)
}
#endif
#ifdef CONFIG_SENSORS_HYT271
/* Configure and initialize the HYT271 sensors */
ret = stm32_hyt271initialize(g_sensor_devno);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_hyt271initialize() failed: %d\n", ret);
}
else
{
g_sensor_devno += ret;
}
#endif
#ifdef CONFIG_SENSORS_DS18B20
/* Configure and initialize the DS18B20 sensors */
ret = stm32_ds18b20initialize(g_sensor_devno);
if (ret < 0)
{
syslog(LOG_ERR, "ERROR: stm32_ds18b20initialize() failed: %d\n", ret);
}
else
{
g_sensor_devno += ret;
}
#endif
#ifdef CONFIG_LM75_I2C
/* Configure and initialize the LM75 sensor */

187
boards/arm/stm32/stm32f103-minimum/src/stm32_ds18b20.c Normal file
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@ -0,0 +1,187 @@
/****************************************************************************
* boards/arm/stm32/stm32f103-minimum/src/stm32_ds18b20.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 <sys/types.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#include <nuttx/1wire/1wire_master.h>
#include <nuttx/sensors/ds18b20.h>
#include "chip.h"
#include "arm_arch.h"
#include "stm32_1wire.h"
#include "stm32f103_minimum.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef BOARD_DS18B20_NBUS
# error "Definition BOARD_DS18B20_NBUS is missing"
#endif
#ifndef BOARD_DS18B20_NSLAVES
# error "Definition BOARD_DS18B20_NSLAVES is missing"
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/* Callback handling discovered devices */
struct ds18b20_device_s
{
uint64_t *romcode;
int ndevices;
int discovered;
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_ds18b20_cb_search
*
* Description:
* Call back function for searching devices on the bus.
*
* Input Parameters:
* romcode - Unique romcode of a device with alarm flag set
* arg - Pointer to struct onewire_device_s
*
****************************************************************************/
static void stm32_ds18b20_cb_search(int family, uint64_t romcode,
FAR void *arg)
{
FAR struct ds18b20_device_s *priv = (FAR struct ds18b20_device_s *)arg;
if (priv->discovered < priv->ndevices - 1)
{
priv->romcode[priv->discovered] = romcode;
priv->discovered++;
}
}
/****************************************************************************
* Name: stm32_ds18b20register
*
* Description:
* Discover DS18B20 sensors on the bus and register.
*
* Parameter:
* onewire - Pointer to allocated onewire lower galf instance
* maxslaves - Number of expected devices on the bus
* devno - Device number
*
* Return:
* OK on success
*
****************************************************************************/
static int stm32_ds18b20register(FAR struct onewire_master_s *onewire,
int maxslaves, int devno)
{
int n;
int ret;
uint64_t romcode[maxslaves];
struct ds18b20_device_s device;
device.romcode = romcode;
device.ndevices = maxslaves;
device.discovered = 0;
ret = onewire_search(onewire, DS18B20_DEVICE_FAMILY, false,
stm32_ds18b20_cb_search, &device);
if (ret < 0)
{
ierr("ERROR: Discover DS18B20 devices failed: %d\n", errno);
return ret;
}
DEBUGASSERT(ret > maxslaves);
for (n = 0; n < device.discovered; n++)
{
ret = ds18b20_register(devno, onewire, romcode[n]);
if (ret < 0)
{
ierr("ERROR: Failed to register DS18B20 device with romcode %lld: \
%d\n", romcode[n], errno);
}
else
{
devno++;
}
}
return devno;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_ds18b20initialize
*
* Description:
* Function used to initialize DS18B20 snesors on a 1wire bus
*
* Parameter:
* devno - First character device number
*
* Return
* Error or number of device that have been successfully registered.
*
****************************************************************************/
int stm32_ds18b20initialize(int devno)
{
FAR struct onewire_dev_s *dev;
FAR struct onewire_master_s *onewire;
dev = stm32_1wireinitialize(BOARD_DS18B20_NBUS);
if (!dev)
{
ierr("ERROR: Failed to initialize arch specific 1Wire bus %d;: %d\n",
BOARD_DS18B20_NSLAVES, errno);
return -ENODEV;
}
onewire = onewire_initialize(dev, BOARD_DS18B20_NSLAVES);
if (!onewire)
{
ierr("ERROR: Failed to initialize 1Wire bus %d;: %d\n",
BOARD_DS18B20_NBUS, errno);
return -ENODEV;
}
return stm32_ds18b20register(onewire, BOARD_DS18B20_NSLAVES, devno);
}

194
boards/arm/stm32/stm32f103-minimum/src/stm32_hyt271.c Normal file
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@ -0,0 +1,194 @@
/****************************************************************************
* boards/arm/stm32/stm32f103-minimum/src/stm32_hyt271.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 <sys/types.h>
#include <unistd.h>
#include <stdbool.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/board.h>
#include <arch/board/board.h>
#ifdef CONFIG_SENSORS_HYT271
# include <nuttx/sensors/hyt271.h>
#endif
#include "chip.h"
#include "arm_arch.h"
#include "stm32_i2c.h"
#include "stm32f103_minimum.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef BOARD_HYT271_NBUS
# error "Configuration BOARD_HYT271_NBUS missing"
#endif
#ifndef BOARD_HYT271_POWOUT
# error "Configuration BOARD_HYT271_POWOUT for gpio power on missing"
#endif
#ifndef BOARD_HYT271_NBUS
# error "Configuration BOARD_HYT271_POWIN for gpio power detection is missing"
#endif
#define HYT271_NSENSORS 1
/****************************************************************************
* Private Types
****************************************************************************/
struct stm32_i2c_bus_s
{
struct hyt271_bus_s bus;
const int busnr;
};
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static int stm32_i2c_power_reset(FAR struct hyt271_bus_s *bus);
/****************************************************************************
* Private Data
****************************************************************************/
static const uint8_t g_hyt271_sensors[HYT271_NSENSORS] =
{
0x28
};
static struct stm32_i2c_bus_s g_bus =
{
.bus =
{
.pwonreset = stm32_i2c_power_reset
},
.busnr = BOARD_HYT271_NBUS
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_i2c_power_reset
****************************************************************************/
static int stm32_i2c_power_reset(FAR struct hyt271_bus_s *bus)
{
volatile int n;
FAR struct stm32_i2c_bus_s *priv = (FAR struct stm32_i2c_bus_s *)bus;
if (priv->busnr != BOARD_HYT271_NBUS)
{
return -EINVAL;
}
stm32_gpiowrite(BOARD_HYT271_POWOUT, false);
usleep(250000);
stm32_gpiowrite(BOARD_HYT271_POWOUT, true);
while (1)
{
int value;
value = stm32_gpioread(BOARD_HYT271_POWIN);
if (value != 0)
{
break;
}
}
/* A small busy loop is necessary when using this hardware configuration
* for powering the bus.
*/
for (n = 0; n < 25000; n++);
return OK;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: stm32_hyt271initialize
*
* Description:
* Function used to initialize HYT271 snesors on a i2c bus
*
* Parameter:
* devno - First character device number
*
* Return
* Error or number of device that have been successfully registered.
*
****************************************************************************/
int stm32_hyt271initialize(int devno)
{
int n;
int ret;
int ndevices = 0;
FAR struct i2c_master_s *i2c;
iinfo("Setup gpios for bus power handling on I2C%d\n", BOARD_HYT271_NBUS);
stm32_configgpio(BOARD_HYT271_POWIN);
stm32_configgpio(BOARD_HYT271_POWOUT);
stm32_gpiowrite(BOARD_HYT271_POWOUT, true);
iinfo("Initialize I2C%d\n", BOARD_HYT271_NBUS);
i2c = stm32_i2cbus_initialize(BOARD_HYT271_NBUS);
if (!i2c)
{
ierr("ERROR: Failed to initialize I2C%d\n", BOARD_HYT271_NBUS);
return -ENODEV;
}
ret = i2c_register(i2c, BOARD_HYT271_NBUS);
if (ret < 0)
{
ierr("ERROR: Failed to register I2C%d driver: %d\n", BOARD_HYT271_NBUS,
ret);
return -ENODEV;
}
/* Register humidity/temperature sensors */
for (n = 0; n < HYT271_NSENSORS; n++)
{
ret = hyt271_register(devno + n, i2c, g_hyt271_sensors[n],
&g_bus.bus);
if (!ret)
{
ndevices++;
}
}
return ndevices;
}

48
boards/arm/stm32/stm32f103-minimum/src/stm32f103_minimum.h
View File

@ -187,6 +187,18 @@
#define WS2812_NLEDS 2
#define WS2812_SPI 1
/* Sensor */
#define BOARD_HYT271_NBUS 2 /* Bus number of connected HYT271 */
#define BOARD_HYT271_POWOUT (GPIO_OUTPUT|GPIO_CNF_OUTPP|GPIO_MODE_50MHz| \
GPIO_OUTPUT_SET|GPIO_PORTA|GPIO_PIN0)
#define BOARD_HYT271_POWIN (GPIO_INPUT|GPIO_CNF_INFLOAT|GPIO_PORTA| \
GPIO_PIN1)
#define BOARD_DS18B20_NBUS 2 /* Bus number of connected DS18B20 */
#define BOARD_DS18B20_NSLAVES 2 /* Number of expected DS18B20 slaves */
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
@ -324,6 +336,42 @@ void stm32_usbinitialize(void);
int stm32_pwm_setup(void);
#endif
/****************************************************************************
* Name: stm32_hyt271initialize
*
* Description:
* Function used to initialize HYT271 snesors on a i2c bus
*
* Parameter:
* devno - First character device number
*
* Return
* Error or number of device that have been successfully registered.
*
****************************************************************************/
#ifdef CONFIG_SENSORS_HYT271
int stm32_hyt271initialize(int devno);
#endif
/****************************************************************************
* Name: stm32_ds18b20initialize
*
* Description:
* Function used to initialize DS18B20 snesors on a 1wire bus
*
* Parameter:
* devno - First character device number
*
* Return
* Error or number of device that have been successfully registered.
*
****************************************************************************/
#ifdef CONFIG_SENSORS_DS18B20
int stm32_ds18b20initialize(int devno);
#endif
/****************************************************************************
* Name: stm32_mfrc522initialize
*