Garage Door Monitor and Opener
Dependencies: X_NUCLEO_COMMON ST_INTERFACES
Introduction
This system implements a simple garage door opener and environmental monitor. The hardware connects to the internet using Wi-Fi then on to the Pelion Device Management Platform which provides device monitoring and secure firmware updates over the air (FOTA). Pelion Device Management provides a flexible set of REST APIs which we will use to communicate to a web application running on an EC-2 instance in AWS. The web application will serve a web page where we can monitor and control our garage..
This project is intended to work on the DISCO-L475VG-IOT01A from ST Microelectronics It implements a simple actuator to drive a relay to simulate pushing the "open" button on older style garage doors which do not use a rolling code interface.
The system is designed to be mounted over the door so that the on board time of flight sensor can be used to detect if the door is open or closed.
The system also monitors temperature, humidity and barometric pressure.
Hardware Requirements:
DISCO-L475G-IOT01A https://os.mbed.com/platforms/ST-Discovery-L475E-IOT01A/
Seeed Studio Grove Relay module https://www.seeedstudio.com/Grove-Relay.html
Seeed Studio Grove cable, I used this one: https://www.seeedstudio.com/Grove-4-pin-Male-Jumper-to-Grove-4-pin-Conversion-Cable-5-PCs-per-Pack.html
Connect to the PMOD connector like this:
This shows how I installed so that the time of flight sensor can detect when the door is open
To use the project:
You will also need a Pelion developers account.
I suggest you first use the Pelion quick state to become familiar with Pelion Device Management. https://os.mbed.com/guides/connect-device-to-pelion/1/?board=ST-Discovery-L475E-IOT01A
Web Interface
For my web interface I am running node-red under Ubuntu in an EC2 instance on AWS. This can run for 12 month within the constraints of their free tier. Here is a tutorial: https://nodered.org/docs/getting-started/aws
You will also need to install several node-red add ons:
sudo npm install -g node-red-dashboard
sudo npm install -g node-red-contrib-mbed-cloud
sudo npm istall -g node-red-contrib-moment
After starting node-red import the contents of GarageFlow.txt from the project, pin the flow into the page.
To enable your web app to access your Pelion account you need an API key.
First you will neet to use your Pelion account to create an API key.
Now we need to apply that API key to your Node-Red flow.
sensors/HTS221/HTS221Sensor.cpp@18:a15bfe7aaebd, 2018-12-16 (annotated)
- Committer:
- screamer
- Date:
- Sun Dec 16 13:53:42 2018 +0000
- Revision:
- 18:a15bfe7aaebd
Reorganize sensors
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
screamer | 18:a15bfe7aaebd | 1 | /** |
screamer | 18:a15bfe7aaebd | 2 | ****************************************************************************** |
screamer | 18:a15bfe7aaebd | 3 | * @file HTS221Sensor.cpp |
screamer | 18:a15bfe7aaebd | 4 | * @author CLab |
screamer | 18:a15bfe7aaebd | 5 | * @version V1.0.0 |
screamer | 18:a15bfe7aaebd | 6 | * @date 5 August 2016 |
screamer | 18:a15bfe7aaebd | 7 | * @brief Implementation of an HTS221 Humidity and Temperature sensor. |
screamer | 18:a15bfe7aaebd | 8 | ****************************************************************************** |
screamer | 18:a15bfe7aaebd | 9 | * @attention |
screamer | 18:a15bfe7aaebd | 10 | * |
screamer | 18:a15bfe7aaebd | 11 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
screamer | 18:a15bfe7aaebd | 12 | * |
screamer | 18:a15bfe7aaebd | 13 | * Redistribution and use in source and binary forms, with or without modification, |
screamer | 18:a15bfe7aaebd | 14 | * are permitted provided that the following conditions are met: |
screamer | 18:a15bfe7aaebd | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
screamer | 18:a15bfe7aaebd | 16 | * this list of conditions and the following disclaimer. |
screamer | 18:a15bfe7aaebd | 17 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
screamer | 18:a15bfe7aaebd | 18 | * this list of conditions and the following disclaimer in the documentation |
screamer | 18:a15bfe7aaebd | 19 | * and/or other materials provided with the distribution. |
screamer | 18:a15bfe7aaebd | 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
screamer | 18:a15bfe7aaebd | 21 | * may be used to endorse or promote products derived from this software |
screamer | 18:a15bfe7aaebd | 22 | * without specific prior written permission. |
screamer | 18:a15bfe7aaebd | 23 | * |
screamer | 18:a15bfe7aaebd | 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
screamer | 18:a15bfe7aaebd | 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
screamer | 18:a15bfe7aaebd | 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
screamer | 18:a15bfe7aaebd | 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
screamer | 18:a15bfe7aaebd | 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
screamer | 18:a15bfe7aaebd | 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
screamer | 18:a15bfe7aaebd | 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
screamer | 18:a15bfe7aaebd | 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
screamer | 18:a15bfe7aaebd | 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
screamer | 18:a15bfe7aaebd | 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
screamer | 18:a15bfe7aaebd | 34 | * |
screamer | 18:a15bfe7aaebd | 35 | ****************************************************************************** |
screamer | 18:a15bfe7aaebd | 36 | */ |
screamer | 18:a15bfe7aaebd | 37 | |
screamer | 18:a15bfe7aaebd | 38 | |
screamer | 18:a15bfe7aaebd | 39 | /* Includes ------------------------------------------------------------------*/ |
screamer | 18:a15bfe7aaebd | 40 | |
screamer | 18:a15bfe7aaebd | 41 | |
screamer | 18:a15bfe7aaebd | 42 | #include "HTS221Sensor.h" |
screamer | 18:a15bfe7aaebd | 43 | |
screamer | 18:a15bfe7aaebd | 44 | |
screamer | 18:a15bfe7aaebd | 45 | /* Class Implementation ------------------------------------------------------*/ |
screamer | 18:a15bfe7aaebd | 46 | |
screamer | 18:a15bfe7aaebd | 47 | HTS221Sensor::HTS221Sensor(SPI *spi, PinName cs_pin, PinName drdy_pin) : |
screamer | 18:a15bfe7aaebd | 48 | _dev_spi(spi), _cs_pin(cs_pin), _drdy_pin(drdy_pin) // SPI3W ONLY |
screamer | 18:a15bfe7aaebd | 49 | { |
screamer | 18:a15bfe7aaebd | 50 | assert(spi); |
screamer | 18:a15bfe7aaebd | 51 | _dev_i2c = NULL; |
screamer | 18:a15bfe7aaebd | 52 | }; |
screamer | 18:a15bfe7aaebd | 53 | |
screamer | 18:a15bfe7aaebd | 54 | /** Constructor |
screamer | 18:a15bfe7aaebd | 55 | * @param i2c object of an helper class which handles the I2C peripheral |
screamer | 18:a15bfe7aaebd | 56 | * @param address the address of the component's instance |
screamer | 18:a15bfe7aaebd | 57 | */ |
screamer | 18:a15bfe7aaebd | 58 | HTS221Sensor::HTS221Sensor(DevI2C *i2c, uint8_t address, PinName drdy_pin) : |
screamer | 18:a15bfe7aaebd | 59 | _dev_i2c(i2c), _address(address), _cs_pin(NC), _drdy_pin(drdy_pin) |
screamer | 18:a15bfe7aaebd | 60 | { |
screamer | 18:a15bfe7aaebd | 61 | assert(i2c); |
screamer | 18:a15bfe7aaebd | 62 | _dev_spi = NULL; |
screamer | 18:a15bfe7aaebd | 63 | }; |
screamer | 18:a15bfe7aaebd | 64 | |
screamer | 18:a15bfe7aaebd | 65 | /** |
screamer | 18:a15bfe7aaebd | 66 | * @brief Initializing the component. |
screamer | 18:a15bfe7aaebd | 67 | * @param[in] init pointer to device specific initalization structure. |
screamer | 18:a15bfe7aaebd | 68 | * @retval "0" in case of success, an error code otherwise. |
screamer | 18:a15bfe7aaebd | 69 | */ |
screamer | 18:a15bfe7aaebd | 70 | int HTS221Sensor::init(void *init) |
screamer | 18:a15bfe7aaebd | 71 | { |
screamer | 18:a15bfe7aaebd | 72 | /* Power down the device */ |
screamer | 18:a15bfe7aaebd | 73 | if ( HTS221_DeActivate( (void *)this ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 74 | { |
screamer | 18:a15bfe7aaebd | 75 | return 1; |
screamer | 18:a15bfe7aaebd | 76 | } |
screamer | 18:a15bfe7aaebd | 77 | |
screamer | 18:a15bfe7aaebd | 78 | /* Enable BDU */ |
screamer | 18:a15bfe7aaebd | 79 | if ( HTS221_Set_BduMode( (void *)this, HTS221_ENABLE ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 80 | { |
screamer | 18:a15bfe7aaebd | 81 | return 1; |
screamer | 18:a15bfe7aaebd | 82 | } |
screamer | 18:a15bfe7aaebd | 83 | |
screamer | 18:a15bfe7aaebd | 84 | if(set_odr(1.0f) == 1) |
screamer | 18:a15bfe7aaebd | 85 | { |
screamer | 18:a15bfe7aaebd | 86 | return 1; |
screamer | 18:a15bfe7aaebd | 87 | } |
screamer | 18:a15bfe7aaebd | 88 | |
screamer | 18:a15bfe7aaebd | 89 | return 0; |
screamer | 18:a15bfe7aaebd | 90 | } |
screamer | 18:a15bfe7aaebd | 91 | |
screamer | 18:a15bfe7aaebd | 92 | /** |
screamer | 18:a15bfe7aaebd | 93 | * @brief Enable HTS221 |
screamer | 18:a15bfe7aaebd | 94 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 95 | */ |
screamer | 18:a15bfe7aaebd | 96 | int HTS221Sensor::enable(void) |
screamer | 18:a15bfe7aaebd | 97 | { |
screamer | 18:a15bfe7aaebd | 98 | /* Power up the device */ |
screamer | 18:a15bfe7aaebd | 99 | if ( HTS221_Activate( (void *)this ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 100 | { |
screamer | 18:a15bfe7aaebd | 101 | return 1; |
screamer | 18:a15bfe7aaebd | 102 | } |
screamer | 18:a15bfe7aaebd | 103 | |
screamer | 18:a15bfe7aaebd | 104 | return 0; |
screamer | 18:a15bfe7aaebd | 105 | } |
screamer | 18:a15bfe7aaebd | 106 | |
screamer | 18:a15bfe7aaebd | 107 | /** |
screamer | 18:a15bfe7aaebd | 108 | * @brief Disable HTS221 |
screamer | 18:a15bfe7aaebd | 109 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 110 | */ |
screamer | 18:a15bfe7aaebd | 111 | int HTS221Sensor::disable(void) |
screamer | 18:a15bfe7aaebd | 112 | { |
screamer | 18:a15bfe7aaebd | 113 | /* Power up the device */ |
screamer | 18:a15bfe7aaebd | 114 | if ( HTS221_DeActivate( (void *)this ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 115 | { |
screamer | 18:a15bfe7aaebd | 116 | return 1; |
screamer | 18:a15bfe7aaebd | 117 | } |
screamer | 18:a15bfe7aaebd | 118 | |
screamer | 18:a15bfe7aaebd | 119 | return 0; |
screamer | 18:a15bfe7aaebd | 120 | } |
screamer | 18:a15bfe7aaebd | 121 | |
screamer | 18:a15bfe7aaebd | 122 | /** |
screamer | 18:a15bfe7aaebd | 123 | * @brief Read ID address of HTS221 |
screamer | 18:a15bfe7aaebd | 124 | * @param id the pointer where the ID of the device is stored |
screamer | 18:a15bfe7aaebd | 125 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 126 | */ |
screamer | 18:a15bfe7aaebd | 127 | int HTS221Sensor::read_id(uint8_t *id) |
screamer | 18:a15bfe7aaebd | 128 | { |
screamer | 18:a15bfe7aaebd | 129 | if(!id) |
screamer | 18:a15bfe7aaebd | 130 | { |
screamer | 18:a15bfe7aaebd | 131 | return 1; |
screamer | 18:a15bfe7aaebd | 132 | } |
screamer | 18:a15bfe7aaebd | 133 | |
screamer | 18:a15bfe7aaebd | 134 | /* Read WHO AM I register */ |
screamer | 18:a15bfe7aaebd | 135 | if ( HTS221_Get_DeviceID( (void *)this, id ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 136 | { |
screamer | 18:a15bfe7aaebd | 137 | return 1; |
screamer | 18:a15bfe7aaebd | 138 | } |
screamer | 18:a15bfe7aaebd | 139 | |
screamer | 18:a15bfe7aaebd | 140 | return 0; |
screamer | 18:a15bfe7aaebd | 141 | } |
screamer | 18:a15bfe7aaebd | 142 | |
screamer | 18:a15bfe7aaebd | 143 | /** |
screamer | 18:a15bfe7aaebd | 144 | * @brief Reboot memory content of HTS221 |
screamer | 18:a15bfe7aaebd | 145 | * @param None |
screamer | 18:a15bfe7aaebd | 146 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 147 | */ |
screamer | 18:a15bfe7aaebd | 148 | int HTS221Sensor::reset(void) |
screamer | 18:a15bfe7aaebd | 149 | { |
screamer | 18:a15bfe7aaebd | 150 | uint8_t tmpreg; |
screamer | 18:a15bfe7aaebd | 151 | |
screamer | 18:a15bfe7aaebd | 152 | /* Read CTRL_REG2 register */ |
screamer | 18:a15bfe7aaebd | 153 | if (read_reg(HTS221_CTRL_REG2, &tmpreg) != 0) |
screamer | 18:a15bfe7aaebd | 154 | { |
screamer | 18:a15bfe7aaebd | 155 | return 1; |
screamer | 18:a15bfe7aaebd | 156 | } |
screamer | 18:a15bfe7aaebd | 157 | |
screamer | 18:a15bfe7aaebd | 158 | /* Enable or Disable the reboot memory */ |
screamer | 18:a15bfe7aaebd | 159 | tmpreg |= (0x01 << HTS221_BOOT_BIT); |
screamer | 18:a15bfe7aaebd | 160 | |
screamer | 18:a15bfe7aaebd | 161 | /* Write value to MEMS CTRL_REG2 regsister */ |
screamer | 18:a15bfe7aaebd | 162 | if (write_reg(HTS221_CTRL_REG2, tmpreg) != 0) |
screamer | 18:a15bfe7aaebd | 163 | { |
screamer | 18:a15bfe7aaebd | 164 | return 1; |
screamer | 18:a15bfe7aaebd | 165 | } |
screamer | 18:a15bfe7aaebd | 166 | |
screamer | 18:a15bfe7aaebd | 167 | return 0; |
screamer | 18:a15bfe7aaebd | 168 | } |
screamer | 18:a15bfe7aaebd | 169 | |
screamer | 18:a15bfe7aaebd | 170 | /** |
screamer | 18:a15bfe7aaebd | 171 | * @brief Read HTS221 output register, and calculate the humidity |
screamer | 18:a15bfe7aaebd | 172 | * @param pfData the pointer to data output |
screamer | 18:a15bfe7aaebd | 173 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 174 | */ |
screamer | 18:a15bfe7aaebd | 175 | int HTS221Sensor::get_humidity(float* pfData) |
screamer | 18:a15bfe7aaebd | 176 | { |
screamer | 18:a15bfe7aaebd | 177 | uint16_t uint16data = 0; |
screamer | 18:a15bfe7aaebd | 178 | |
screamer | 18:a15bfe7aaebd | 179 | /* Read data from HTS221. */ |
screamer | 18:a15bfe7aaebd | 180 | if ( HTS221_Get_Humidity( (void *)this, &uint16data ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 181 | { |
screamer | 18:a15bfe7aaebd | 182 | return 1; |
screamer | 18:a15bfe7aaebd | 183 | } |
screamer | 18:a15bfe7aaebd | 184 | |
screamer | 18:a15bfe7aaebd | 185 | *pfData = ( float )uint16data / 10.0f; |
screamer | 18:a15bfe7aaebd | 186 | |
screamer | 18:a15bfe7aaebd | 187 | return 0; |
screamer | 18:a15bfe7aaebd | 188 | } |
screamer | 18:a15bfe7aaebd | 189 | |
screamer | 18:a15bfe7aaebd | 190 | /** |
screamer | 18:a15bfe7aaebd | 191 | * @brief Read HTS221 output register, and calculate the temperature |
screamer | 18:a15bfe7aaebd | 192 | * @param pfData the pointer to data output |
screamer | 18:a15bfe7aaebd | 193 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 194 | */ |
screamer | 18:a15bfe7aaebd | 195 | int HTS221Sensor::get_temperature(float* pfData) |
screamer | 18:a15bfe7aaebd | 196 | { |
screamer | 18:a15bfe7aaebd | 197 | int16_t int16data = 0; |
screamer | 18:a15bfe7aaebd | 198 | |
screamer | 18:a15bfe7aaebd | 199 | /* Read data from HTS221. */ |
screamer | 18:a15bfe7aaebd | 200 | if ( HTS221_Get_Temperature( (void *)this, &int16data ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 201 | { |
screamer | 18:a15bfe7aaebd | 202 | return 1; |
screamer | 18:a15bfe7aaebd | 203 | } |
screamer | 18:a15bfe7aaebd | 204 | |
screamer | 18:a15bfe7aaebd | 205 | *pfData = ( float )int16data / 10.0f; |
screamer | 18:a15bfe7aaebd | 206 | |
screamer | 18:a15bfe7aaebd | 207 | return 0; |
screamer | 18:a15bfe7aaebd | 208 | } |
screamer | 18:a15bfe7aaebd | 209 | |
screamer | 18:a15bfe7aaebd | 210 | /** |
screamer | 18:a15bfe7aaebd | 211 | * @brief Read HTS221 output register, and calculate the humidity |
screamer | 18:a15bfe7aaebd | 212 | * @param odr the pointer to the output data rate |
screamer | 18:a15bfe7aaebd | 213 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 214 | */ |
screamer | 18:a15bfe7aaebd | 215 | int HTS221Sensor::get_odr(float* odr) |
screamer | 18:a15bfe7aaebd | 216 | { |
screamer | 18:a15bfe7aaebd | 217 | HTS221_Odr_et odr_low_level; |
screamer | 18:a15bfe7aaebd | 218 | |
screamer | 18:a15bfe7aaebd | 219 | if ( HTS221_Get_Odr( (void *)this, &odr_low_level ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 220 | { |
screamer | 18:a15bfe7aaebd | 221 | return 1; |
screamer | 18:a15bfe7aaebd | 222 | } |
screamer | 18:a15bfe7aaebd | 223 | |
screamer | 18:a15bfe7aaebd | 224 | switch( odr_low_level ) |
screamer | 18:a15bfe7aaebd | 225 | { |
screamer | 18:a15bfe7aaebd | 226 | case HTS221_ODR_ONE_SHOT: |
screamer | 18:a15bfe7aaebd | 227 | *odr = 0.0f; |
screamer | 18:a15bfe7aaebd | 228 | break; |
screamer | 18:a15bfe7aaebd | 229 | case HTS221_ODR_1HZ : |
screamer | 18:a15bfe7aaebd | 230 | *odr = 1.0f; |
screamer | 18:a15bfe7aaebd | 231 | break; |
screamer | 18:a15bfe7aaebd | 232 | case HTS221_ODR_7HZ : |
screamer | 18:a15bfe7aaebd | 233 | *odr = 7.0f; |
screamer | 18:a15bfe7aaebd | 234 | break; |
screamer | 18:a15bfe7aaebd | 235 | case HTS221_ODR_12_5HZ : |
screamer | 18:a15bfe7aaebd | 236 | *odr = 12.5f; |
screamer | 18:a15bfe7aaebd | 237 | break; |
screamer | 18:a15bfe7aaebd | 238 | default : |
screamer | 18:a15bfe7aaebd | 239 | *odr = -1.0f; |
screamer | 18:a15bfe7aaebd | 240 | return 1; |
screamer | 18:a15bfe7aaebd | 241 | } |
screamer | 18:a15bfe7aaebd | 242 | |
screamer | 18:a15bfe7aaebd | 243 | return 0; |
screamer | 18:a15bfe7aaebd | 244 | } |
screamer | 18:a15bfe7aaebd | 245 | |
screamer | 18:a15bfe7aaebd | 246 | /** |
screamer | 18:a15bfe7aaebd | 247 | * @brief Set ODR |
screamer | 18:a15bfe7aaebd | 248 | * @param odr the output data rate to be set |
screamer | 18:a15bfe7aaebd | 249 | * @retval 0 in case of success, an error code otherwise |
screamer | 18:a15bfe7aaebd | 250 | */ |
screamer | 18:a15bfe7aaebd | 251 | int HTS221Sensor::set_odr(float odr) |
screamer | 18:a15bfe7aaebd | 252 | { |
screamer | 18:a15bfe7aaebd | 253 | HTS221_Odr_et new_odr; |
screamer | 18:a15bfe7aaebd | 254 | |
screamer | 18:a15bfe7aaebd | 255 | new_odr = ( odr <= 1.0f ) ? HTS221_ODR_1HZ |
screamer | 18:a15bfe7aaebd | 256 | : ( odr <= 7.0f ) ? HTS221_ODR_7HZ |
screamer | 18:a15bfe7aaebd | 257 | : HTS221_ODR_12_5HZ; |
screamer | 18:a15bfe7aaebd | 258 | |
screamer | 18:a15bfe7aaebd | 259 | if ( HTS221_Set_Odr( (void *)this, new_odr ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 260 | { |
screamer | 18:a15bfe7aaebd | 261 | return 1; |
screamer | 18:a15bfe7aaebd | 262 | } |
screamer | 18:a15bfe7aaebd | 263 | |
screamer | 18:a15bfe7aaebd | 264 | return 0; |
screamer | 18:a15bfe7aaebd | 265 | } |
screamer | 18:a15bfe7aaebd | 266 | |
screamer | 18:a15bfe7aaebd | 267 | |
screamer | 18:a15bfe7aaebd | 268 | /** |
screamer | 18:a15bfe7aaebd | 269 | * @brief Read the data from register |
screamer | 18:a15bfe7aaebd | 270 | * @param reg register address |
screamer | 18:a15bfe7aaebd | 271 | * @param data register data |
screamer | 18:a15bfe7aaebd | 272 | * @retval 0 in case of success |
screamer | 18:a15bfe7aaebd | 273 | * @retval 1 in case of failure |
screamer | 18:a15bfe7aaebd | 274 | */ |
screamer | 18:a15bfe7aaebd | 275 | int HTS221Sensor::read_reg( uint8_t reg, uint8_t *data ) |
screamer | 18:a15bfe7aaebd | 276 | { |
screamer | 18:a15bfe7aaebd | 277 | |
screamer | 18:a15bfe7aaebd | 278 | if ( HTS221_read_reg( (void *)this, reg, 1, data ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 279 | { |
screamer | 18:a15bfe7aaebd | 280 | return 1; |
screamer | 18:a15bfe7aaebd | 281 | } |
screamer | 18:a15bfe7aaebd | 282 | |
screamer | 18:a15bfe7aaebd | 283 | return 0; |
screamer | 18:a15bfe7aaebd | 284 | } |
screamer | 18:a15bfe7aaebd | 285 | |
screamer | 18:a15bfe7aaebd | 286 | /** |
screamer | 18:a15bfe7aaebd | 287 | * @brief Write the data to register |
screamer | 18:a15bfe7aaebd | 288 | * @param reg register address |
screamer | 18:a15bfe7aaebd | 289 | * @param data register data |
screamer | 18:a15bfe7aaebd | 290 | * @retval 0 in case of success |
screamer | 18:a15bfe7aaebd | 291 | * @retval 1 in case of failure |
screamer | 18:a15bfe7aaebd | 292 | */ |
screamer | 18:a15bfe7aaebd | 293 | int HTS221Sensor::write_reg( uint8_t reg, uint8_t data ) |
screamer | 18:a15bfe7aaebd | 294 | { |
screamer | 18:a15bfe7aaebd | 295 | |
screamer | 18:a15bfe7aaebd | 296 | if ( HTS221_write_reg( (void *)this, reg, 1, &data ) == HTS221_ERROR ) |
screamer | 18:a15bfe7aaebd | 297 | { |
screamer | 18:a15bfe7aaebd | 298 | return 1; |
screamer | 18:a15bfe7aaebd | 299 | } |
screamer | 18:a15bfe7aaebd | 300 | |
screamer | 18:a15bfe7aaebd | 301 | return 0; |
screamer | 18:a15bfe7aaebd | 302 | } |
screamer | 18:a15bfe7aaebd | 303 | |
screamer | 18:a15bfe7aaebd | 304 | uint8_t HTS221_io_write( void *handle, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite ) |
screamer | 18:a15bfe7aaebd | 305 | { |
screamer | 18:a15bfe7aaebd | 306 | return ((HTS221Sensor *)handle)->io_write(pBuffer, WriteAddr, nBytesToWrite); |
screamer | 18:a15bfe7aaebd | 307 | } |
screamer | 18:a15bfe7aaebd | 308 | |
screamer | 18:a15bfe7aaebd | 309 | uint8_t HTS221_io_read( void *handle, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead ) |
screamer | 18:a15bfe7aaebd | 310 | { |
screamer | 18:a15bfe7aaebd | 311 | return ((HTS221Sensor *)handle)->io_read(pBuffer, ReadAddr, nBytesToRead); |
screamer | 18:a15bfe7aaebd | 312 | } |