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Author: MIKROE
Last Updated: 2024-10-31
Package Version: 2.1.0.8
mikroSDK Library: 2.0.0.0
Category: Temperature & humidity
Downloaded: 80 times
Not followed.
License: MIT license
Thermostat 4 Click is complete solution that senses the temperature of a physical system and can performs actions so that the system's temperature is maintained near a desired setpoint. It's based on Texas Instruments TMP392, a resistor programmable temperature switch that enable protection and detection of system thermal events from 30°C to 130°C.
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4790_thermostat_4_cli.zip [438.03KB] | 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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Thermostat 4 Click is complete solution that senses the temperature of a physical system and can performs actions so that the system's temperature is maintained near a desired setpoint. It's based on Texas Instruments TMP392, a resistor programmable temperature switch that enable protection and detection of system thermal events from 30°C to 130°C.
We provide a library for the Thermostat4 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.
This library contains API for Thermostat4 Click driver.
thermostat4_cfg_setup
Config Object Initialization function.
void thermostat4_cfg_setup ( thermostat4_cfg_t *cfg );
thermostat4_init
Initialization function.
err_t thermostat4_init ( thermostat4_t *ctx, thermostat4_cfg_t *cfg );
thermostat4_hot_alert_state
This function read state from OA pin
uint8_t thermostat4_hot_alert_state ( thermostat4_t *ctx );
thermostat4_relay_ctrl
This function write desired state on RLY pin
void thermostat4_relay_ctrl ( thermostat4_t *ctx, uint8_t state );
thermostat4_set_warm_hysteresis
This function write hysteresis data.
void thermostat4_set_warm_hysteresis ( thermostat4_t *ctx, uint8_t hyst_data );
Thermostat 4 Click reads alert on the warm and hot channel, using standard SPI communication.
The demo application is composed of two sections :
Initializes Driver init, Relay test and sets hysteresis on the WARM channel ( channel B ), after that starts uploading new data.
void application_init ( void )
{
log_cfg_t log_cfg;
thermostat4_cfg_t thermostat4_cfg;
/**
* 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.
thermostat4_cfg_setup( &thermostat4_cfg );
THERMOSTAT4_MAP_MIKROBUS( thermostat4_cfg, MIKROBUS_1 );
if ( SPI_MASTER_ERROR == thermostat4_init( &thermostat4, &thermostat4_cfg ) )
{
log_error( &logger, " Application Init Error. " );
log_info( &logger, " Please, run program again... " );
for ( ; ; );
}
log_printf( &logger, " RELAY ON\r\n" );
thermostat4_relay_ctrl( &thermostat4, THERMOSTAT4_RELAY_ON );
Delay_ms ( 1000 );
log_printf( &logger, " RELAY OFF\r\n" );
thermostat4_relay_ctrl( &thermostat4, THERMOSTAT4_RELAY_OFF );
Delay_ms ( 500 );
thermostat4_set_warm_hysteresis( &thermostat4, 0 );
thermostat4_new_cfg_upload( &thermostat4 );
log_info( &logger, " Application Task " );
}
Reads Alert on the WARM and HOT channel.
void application_task ( void )
{
if ( THERMOSTAT4_HOT_ALERT == thermostat4_hot_alert_state( &thermostat4 ) )
{
log_printf( &logger, " HOT ALERT\r\n" );
thermostat4_relay_ctrl( &thermostat4, THERMOSTAT4_RELAY_ON );
}
else if ( THERMOSTAT4_WARM_ALERT == thermostat4_warm_alert_state( &thermostat4 ) )
{
log_printf( &logger, " WARM ALERT\r\n" );
thermostat4_relay_ctrl( &thermostat4, THERMOSTAT4_RELAY_ON );
}
else
{
log_printf( &logger, " TEMPERATURE OK\r\n" );
thermostat4_relay_ctrl( &thermostat4, THERMOSTAT4_RELAY_OFF );
}
Delay_ms ( 1000 );
Delay_ms ( 1000 );
}
The user has the option of adjusting the hysteresis for channel B via the SPI module while for channel A it is adjusted via the potentiometer.
The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.
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. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.