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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.13
mikroSDK Library: 2.0.0.0
Category: Environmental
Downloaded: 179 times
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License: MIT license
PHT Click is a compact add-on board that contains a PHT combo sensor. This board features the MS8607, a digital combination sensor providing 3 environmental measurements all-in-one: pressure, humidity, and temperature from TE Connectivity. This sensor is based on leading MEMS technologies, provides factory-calibrated PHT data available over an I2C serial interface.
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4655_pht_click.zip [394.33KB] | mikroC AI for ARM GCC for ARM Clang for ARM mikroC AI for PIC mikroC AI for PIC32 XC32 GCC for RISC-V Clang for RISC-V mikroC AI for AVR mikroC AI for dsPIC XC16 |
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PHT Click is a compact add-on board that contains a PHT combo sensor. This board features the MS8607, a digital combination sensor providing 3 environmental measurements all-in-one: pressure, humidity, and temperature from TE Connectivity. This sensor is based on leading MEMS technologies, provides factory-calibrated PHT data available over an I2C serial interface.
We provide a library for the PHT Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.
Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
This library contains API for PHT Click driver.
pht_cfg_setup
Config Object Initialization function.
void pht_cfg_setup ( pht_cfg_t *cfg );
pht_init
Initialization function.
err_t pht_init ( pht_t *ctx, pht_cfg_t *cfg );
pht_set_ratio
Set Ratio function.
uint8_t pht_set_ratio ( pht_t *ctx, uint8_t temp_ratio, uint8_t press_ratio );
pht_get_temperature_pressure
Get temperature and pressure function.
void pht_get_temperature_pressure ( pht_t *ctx, float *temperature, float *pressure );
pht_get_relative_humidity
Get humidity function.
void pht_get_relative_humidity ( pht_t *ctx, float *humidity );
This is an example that demonstrates the use of the PHT Click board.
The demo application is composed of two sections :
Initialization driver enables - I2C, performs the device reset and determines the oversampling ratio, also write log.
void application_init ( void ) {
log_cfg_t log_cfg; /**< Logger config object. */
pht_cfg_t pht_cfg; /**< Click config object. */
/**
* Logger initialization.
* Default baud rate: 115200
* Default log level: LOG_LEVEL_DEBUG
* @note If USB_UART_RX and USB_UART_TX
* are defined as HAL_PIN_NC, you will
* need to define them manually for log to work.
* See @b LOG_MAP_USB_UART macro definition for detailed explanation.
*/
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
pht_cfg_setup( &pht_cfg );
PHT_MAP_MIKROBUS( pht_cfg, MIKROBUS_1 );
err_t init_flag = pht_init( &pht, &pht_cfg );
if ( I2C_MASTER_ERROR == init_flag ) {
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
log_printf( &logger, "--------------------------- \r\n " );
log_printf( &logger, " Device reset \r\n" );
pht_reset( &pht );
Delay_ms ( 100 );
log_printf( &logger, "--------------------------- \r\n " );
log_printf( &logger, " Set Oversampling Ratio \r\n" );
pht_set_ratio( &pht, PHT_PT_CMD_RATIO_2048, PHT_PT_CMD_RATIO_2048);
Delay_ms ( 100 );
log_printf( &logger, "--------------------------- \r\n " );
log_info( &logger, " Application Task " );
log_printf( &logger, "--------------------------- \r\n " );
}
PHT Click board can be used to measure Pressure, Temperature and Relative Humidity. All data logs write on USB uart changes every 3 sec.
void application_task ( void ) {
pht_get_temperature_pressure( &pht, &temperature, &pressure );
Delay_ms ( 10 );
pht_get_relative_humidity( &pht, &humidity );
Delay_ms ( 10 );
log_printf( &logger, " Preassure : %.2f mbar \r\n ", pressure );
log_printf( &logger, " Humidity : %.2f %% \r\n ", humidity );
log_printf( &logger, " Temperature : %.2f C \r\n ", temperature );
log_printf( &logger, "--------------------------- \r\n " );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.
Other Mikroe Libraries used in the example:
Additional notes and informations
Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.