Sensorian  1.0
C API Reference Guide Library
main.c
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20 
28 #include <stdio.h>
29 #include <stdbool.h>
30 #include <stdlib.h>
31 #include <time.h>
32 #include "MCP79410.h"
33 #include "Utilities.h"
34 #include "i2c.h"
35 
36 int main(int argc, char **argv)
37 {
38  RTCC_Struct *current_time = (RTCC_Struct *) malloc(sizeof(RTCC_Struct));
39 
40  I2C_Initialize(MCP79410_ADDRESS); //Initialize I2C and setup chip address
41 
42  if(MCP79410_IsRunning()) //If clock is already running stop it
43  {
45  }
46 
47  RTCC_Struct user_date = {17, 46, 8, 6, 7, 3, 15};
48  current_time = &user_date;
49  MCP79410_SetTime(current_time);
51 
52  while(1)
53  {
54  current_time = MCP79410_GetTime();
55  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);
56  delay_ms(1000);
57  }
58 
59  I2C_Close(); //Return I2C pins to default status
60 
61  return 0;
62 }
I2C driver.
#define MCP79410_ADDRESS
The I2C address of the MCP79410 real time clock and calendar.
Definition: MCP79410.h:45
void MCP79410_DisableOscillator(void)
Disables the clock oscillator.The RTCC does not operate once the oscillator is stopped.
Definition: MCP79410.c:73
unsigned char year
Month.
Definition: MCP79410.h:151
unsigned char MCP79410_IsRunning(void)
Checks if the chip clock is running.
Definition: MCP79410.c:84
void MCP79410_SetTime(RTCC_Struct *time)
This function initializes the RTCC with a specific time contained in the time structure.
Definition: MCP79410.c:125
void I2C_Close(void)
Closes the I2C peripheral.
Definition: i2c.c:174
unsigned char date
Weekday.
Definition: MCP79410.h:149
RTCC_Struct * MCP79410_GetTime(void)
The function returns a time structure with the current time from the RTCC.
Definition: MCP79410.c:100
unsigned char month
Date of the month.
Definition: MCP79410.h:150
unsigned char sec
Definition: MCP79410.h:145
void MCP79410_EnableOscillator(void)
Enables the clock oscillator. This must be enabled in order for the RTCC to run.
Definition: MCP79410.c:62
void I2C_Initialize(unsigned char address)
Initializes the I2C peripheral.
Definition: i2c.c:36
Utilities driver header.
int main(int argc, char **argv)
Definition: main.c:34
void delay_ms(unsigned int ms)
Delay in ms.
Definition: Utilities.c:39
unsigned char min
Seconds.
Definition: MCP79410.h:146
unsigned char hour
Minutes.
Definition: MCP79410.h:147