main.c File Reference

Example main routine demonstrating the mcp48x2 DAC driver. More...

#include <util/delay.h>
#include "mcp48x2_dac.h"

Go to the source code of this file.

Macros
#define	DELAY_TIME_1   1000
#define	CHANNEL_A_VOLTAGE_1   1000
#define	CHANNEL_B_VOLTAGE_1   2000
#define	CHANNEL_A_VOLTAGE_2   3300
#define	CHANNEL_B_VOLTAGE_2   1650

Functions
int	main ()
	Main routine of application. More...

Variables
dac_config_t	dac_config
	Instantiation of config object for DAC. More...

Detailed Description

Example main routine demonstrating the mcp48x2 DAC driver.

Copyright

Copyright © 2022 by Jason Duffy.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Author

Jason Duffy

Date

1st March 2022

Definition in file main.c.

Macro Definition Documentation

DELAY_TIME_1

#define DELAY_TIME_1   1000

Definition at line 36 of file main.c.

CHANNEL_A_VOLTAGE_1

#define CHANNEL_A_VOLTAGE_1   1000

Definition at line 38 of file main.c.

CHANNEL_B_VOLTAGE_1

#define CHANNEL_B_VOLTAGE_1   2000

Definition at line 39 of file main.c.

CHANNEL_A_VOLTAGE_2

#define CHANNEL_A_VOLTAGE_2   3300

Definition at line 41 of file main.c.

CHANNEL_B_VOLTAGE_2

#define CHANNEL_B_VOLTAGE_2   1650

Definition at line 42 of file main.c.

Function Documentation

main()

int main

(

)

Main routine of application.

Definition at line 65 of file main.c.

{
    // Initialisation of DAC is called here. 
    init_dac(&dac_config);
 
    // Loop forever.
    while (1)
    {   
        // Set initial voltage levels. 
        dac_set_voltage(DAC_CHANNEL_A, CHANNEL_A_VOLTAGE_1);
        dac_set_voltage(DAC_CHANNEL_B, CHANNEL_B_VOLTAGE_1);
 
        // Wait a short time. 
        _delay_ms(DELAY_TIME_1);
 
        // Set secondary voltage levels. 
        dac_set_voltage(DAC_CHANNEL_A, CHANNEL_A_VOLTAGE_2);
        dac_set_voltage(DAC_CHANNEL_B, CHANNEL_B_VOLTAGE_2);
 
        // Wait a short time. 
        _delay_ms(DELAY_TIME_1);
    }
    
    return 0;
}

Variable Documentation

dac_config

dac_config_t dac_config

Initial value:

=
{
    .model = mcp4812,
    .sync_manually = false,
 
    .channel_a.gain_low = false,
    .channel_a.active = true,
    .channel_a.level = 0,
 
    .channel_b.gain_low = false,
    .channel_b.active = true,
    .channel_b.level = 0,
}

Instantiation of config object for DAC.

Definition at line 48 of file main.c.