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main.c
Go to the documentation of this file.
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/****************************************************************************
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* Copyright (C) 2015 Sensorian
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* *
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* This file is part of Sensorian. *
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* *
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* Sensorian is free software: you can redistribute it and/or modify it *
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* under the terms of the GNU Lesser General Public License as published *
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* by the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* Sensorian is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with Sensorian. *
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* If not, see <http://www.gnu.org/licenses/>. *
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****************************************************************************/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <time.h>
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#include "
MCP79410.h
"
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#include "
Utilities.h
"
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#include "
i2c.h
"
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int
main
(
int
argc,
char
**argv)
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{
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RTCC_Struct
*current_time = (
RTCC_Struct
*) malloc(
sizeof
(
RTCC_Struct
));
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I2C_Initialize
(
MCP79410_ADDRESS
);
//Initialize I2C and setup chip address
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if
(
MCP79410_IsRunning
())
//If clock is already running stop it
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{
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MCP79410_DisableOscillator
();
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}
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RTCC_Struct
user_date = {17, 46, 8, 6, 7, 3, 15};
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current_time = &user_date;
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MCP79410_SetTime
(current_time);
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MCP79410_EnableOscillator
();
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while
(1)
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{
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current_time =
MCP79410_GetTime
();
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printf(
"now: %d-%d-%d %d:%d:%d\n"
, current_time->
year
, current_time->
month
, current_time->
date
, current_time->
hour
, current_time->
min
, current_time->
sec
);
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delay_ms
(1000);
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}
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I2C_Close
();
//Return I2C pins to default status
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return
0;
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}
i2c.h
I2C driver.
MCP79410_ADDRESS
#define MCP79410_ADDRESS
The I2C address of the MCP79410 real time clock and calendar.
Definition:
MCP79410.h:45
MCP79410_DisableOscillator
void MCP79410_DisableOscillator(void)
Disables the clock oscillator.The RTCC does not operate once the oscillator is stopped.
Definition:
MCP79410.c:73
_RTCC_Struct::year
unsigned char year
Month.
Definition:
MCP79410.h:151
MCP79410_IsRunning
unsigned char MCP79410_IsRunning(void)
Checks if the chip clock is running.
Definition:
MCP79410.c:84
MCP79410_SetTime
void MCP79410_SetTime(RTCC_Struct *time)
This function initializes the RTCC with a specific time contained in the time structure.
Definition:
MCP79410.c:125
I2C_Close
void I2C_Close(void)
Closes the I2C peripheral.
Definition:
i2c.c:174
_RTCC_Struct::date
unsigned char date
Weekday.
Definition:
MCP79410.h:149
MCP79410_GetTime
RTCC_Struct * MCP79410_GetTime(void)
The function returns a time structure with the current time from the RTCC.
Definition:
MCP79410.c:100
_RTCC_Struct::month
unsigned char month
Date of the month.
Definition:
MCP79410.h:150
_RTCC_Struct::sec
unsigned char sec
Definition:
MCP79410.h:145
MCP79410_EnableOscillator
void MCP79410_EnableOscillator(void)
Enables the clock oscillator. This must be enabled in order for the RTCC to run.
Definition:
MCP79410.c:62
_RTCC_Struct
Definition:
MCP79410.h:143
I2C_Initialize
void I2C_Initialize(unsigned char address)
Initializes the I2C peripheral.
Definition:
i2c.c:36
Utilities.h
Utilities driver header.
main
int main(int argc, char **argv)
Definition:
main.c:34
MCP79410.h
delay_ms
void delay_ms(unsigned int ms)
Delay in ms.
Definition:
Utilities.c:39
_RTCC_Struct::min
unsigned char min
Seconds.
Definition:
MCP79410.h:146
_RTCC_Struct::hour
unsigned char hour
Minutes.
Definition:
MCP79410.h:147
MCP79410_RTCC
Example2
main.c
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